Movable Carrier Punching Tool for Automotive Bumpers
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Solution Overview
Problem
Existing punching machines for polymeric automotive components, such as bumpers, are inflexible and require costly conversions to process different component geometries, leading to machine underutilization and space inefficiency.
Innovation Solution
The punching tool and die are mounted on a movable carrier with additional processing devices, allowing for easy reconfiguration through rotational or linear movements, enabled by electric drives, to perform various machining operations without extensive reconversion procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the punching machine structure is precisely tailored to a particular polymeric vehicle component, then the manufacturing precision and processing quality are improved, but the adaptability to different component geometries deteriorates
Solution Approach 1:
The punching machine is segmented into a fixed base structure and a movable carrier that can be repositioned. The carrier carries the punching tool and die as separable components, allowing the processing head to be moved to different positions on the machine frame to accommodate different component geometries while maintaining precise processing capability at each position.
Solution Approach 2:
The punching machine transitions from a static, fixed configuration to a dynamic system where the carrier can move along the machine frame. This dynamic repositioning capability allows the same machine to be precisely adapted to different component geometries without requiring structural conversion, resolving the contradiction between precision and adaptability.
2Adaptability or versatility
If the punching machine is converted to process different component geometries, then the adaptability is improved, but the device complexity and conversion cost increase
Solution Approach 1:
The machine frame is designed as a universal platform with multiple predetermined positions where carriers can be mounted. The carrier itself is a universal component that can carry different punching tools and dies. This universal design allows the same basic structure to process different component geometries by simply repositioning or replacing the carrier, avoiding elaborate reconversion procedures.
Solution Approach 2:
The movable carrier provides dynamic reconfigurability, allowing the machine to adapt to different component geometries through simple positional changes rather than complex structural conversions. This reduces device complexity while maintaining high adaptability.
3Productivity
If multiple processing devices are installed on the carrier, then the productivity is improved, but the device complexity increases
Solution Approach 1:
Multiple processing devices (punching tool, die, and additional processing devices) are merged onto a single movable carrier. This consolidation allows all processing steps to be performed at one location on the machine frame, improving productivity by eliminating the need to move the component between separate stations while keeping the carrier design relatively simple through modular integration.
Solution Approach 2:
The carrier serves as a universal platform that can accommodate multiple different processing devices. This multi-functional carrier design enables sequential or simultaneous processing operations without requiring separate fixed installations for each device, improving productivity while managing complexity through standardized mounting interfaces.
Data Source
AI summary
The invention relates to a punch for punching polymeric motor vehicle components, in particular bumpers, comprising a machine frame (1), at least one device for fixing a polymeric motor vehicle component (2) on the machine frame (1), and at least one punch device (3), wherein the punch device (3) comprises at least one punching tool (4) and at least one punching die (5). According to the invention, the punching tool (4) and/or the punching die (5) is/are fastened to a receiving device (6) of a movable carrier (7, 8), wherein the carrier (7, 8) has at least one further receiving device (6) for fastening at least one further processing apparatus (9, 10, 20, 30), such that the punch can be set to a new, different processing step involving the further processing apparatus (9, 10, 20, 30) by a movement of the carrier (7, 8).