Press Die Wedge Alignment Mechanism for Block Precision
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Solution Overview
Problem
Conventional press die apparatuses face challenges in maintaining accurate alignment of die blocks, which affects the formation of contiguous grooves and protrusions on workpieces, and restoring this alignment is difficult when die blocks are replaced.
Innovation Solution
A press die apparatus with a base, die blocks, a frame, a wedge, and a spacer, where the wedge produces a wedge effect to align and fix the die blocks, and the spacer sets the extent of this effect to a predetermined level, allowing for easy alignment and restoration of alignment during block replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If die blocks are assembled from separate pieces to form the die surface, then the die blocks can be individually cut and assembled, but it becomes difficult to maintain proper alignment and restore alignment when blocks are replaced
Solution Approach 1:
A wedge-shaped intermediary component is introduced between the die blocks and the die plate. This wedge serves as a mediator that simultaneously achieves two goals: it enables easy individual manufacturing of die blocks while ensuring precise alignment when assembled. The wedge's inclined surface provides a self-aligning mechanism that guides die blocks into proper position during assembly, eliminating the need for complex alignment procedures.
Solution Approach 2:
The invention changes the geometric parameters of the wedge component, specifically using an inclined surface with a predetermined angle. By adjusting the wedge angle and dimensions, the system transforms the assembly process from a precision-critical operation into a self-aligning process. The parameter change in the wedge geometry creates a mechanical advantage that automatically positions die blocks correctly when the wedge is driven in.
2Ease of manufacture
If die blocks are cut individually and assembled, then manufacturing becomes easier, but the alignment accuracy and contiguity of grooves and protrusions deteriorates
Solution Approach 1:
The wedge acts as an intermediary that ensures the contiguity of grooves and protrusions across multiple die blocks. By providing a unified inclined surface that contacts all die blocks simultaneously, the wedge guarantees that the die surfaces align perfectly, creating continuous and contiguous features across the entire die assembly.
Solution Approach 2:
The wedge performs a preliminary alignment action before the die blocks are fully assembled. By driving the wedge into position first, the system pre-establishes the correct geometric relationships between die blocks, ensuring that grooves and protrusions will be contiguous once the blocks are secured. This preliminary action prevents misalignment issues that would otherwise require complex post-assembly adjustments.
3Ease of operation
If conventional fixing methods are used for die blocks, then assembly is simple, but restoring alignment after disassembly becomes difficult
Solution Approach 1:
The wedge serves as a reusable intermediary component that remains in place during die block replacement. When die blocks are removed and replaced, the wedge is already positioned and provides immediate alignment guidance for the new blocks. This eliminates the need to realign components from scratch, making repair and replacement as easy as the initial assembly.
Solution Approach 2:
The wedge creates a self-aligning system that automatically positions die blocks correctly without requiring external alignment tools or procedures. The inclined surface of the wedge self-generates the alignment force and geometric constraints needed to position die blocks accurately. This self-service mechanism ensures that alignment is restored automatically whenever die blocks are replaced, without requiring skilled intervention or specialized equipment.
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 solution ensures that die blocks are easily aligned and fixed within the frame, maintaining the accuracy of groove and protrusion formation on workpieces and simplifies the process of restoring alignment when die blocks are replaced, thereby improving the precision and efficiency of the pressing process.
Implementation Method 1
a wedge (19) located between the frame (13) and each of the die blocks (12) to produce a wedge effect of bringing the die blocks (12) to an aligned and fixed state
Data Source
AI summary
A press die includes die blocks placed on a base and aligned in a frame. A wedge is located between the frame and one of the die blocks. The wedge produces a wedge effect of bringing the die blocks to an aligned and fixed state. A spacer is located between the base and the wedge to set the extent of the wedge effect to a predetermined level.