Press Apparatus Upper Die Support and Shock Absorption
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Solution Overview
Problem
Existing press apparatuses face inefficiencies in production time and frequent breakdowns due to the need for temporary platform movement during machining and the application of excessive loads on complex structures during pressure holding.
Innovation Solution
A press apparatus design where the upper die is fixed to the platform, allowing machining to occur without platform movement, and incorporating shock absorbers to reduce load and prevent breakdowns, with a simplified structure and integrated machining dies for simultaneous trimming and piercing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the upper die is supported on the platform by inserting a support rod into the platform's inner space and interposing a block between a contact member and the upper end of the support rod, then the upper die can be removed from the platform during machining by moving the platform upward, but this increases the number of movements of the apparatus and production time
Solution Approach 1:
The support rod is extracted from the inner space of the platform and repositioned to extend from the base upward through a through-hole in the platform. This allows the upper die to be supported from below rather than from within the platform's inner space, eliminating the need for platform upward movement to remove the upper die during machining operations.
Solution Approach 2:
Instead of supporting the upper die from above through the platform's inner space (conventional approach), the support rod is inverted to support the upper die from below, extending through the platform. This inversion allows the upper die to remain in place during machining while still enabling easy removal when needed.
2Ease of operation
If a complicated structure combining support rod, contact member, and block is used to support the upper die, then the upper die can be removed during machining, but a heavy load is applied to this portion during pressure holding, causing frequent breakdowns and increased maintenance
Solution Approach 1:
The contact member and block are extracted from the complicated structure and eliminated. The support rod is simplified to directly support the upper die from below, extending through the platform without requiring additional components. This simplification reduces the number of parts subject to heavy loads and potential failure points.
Solution Approach 2:
The support configuration is inverted from supporting above through the platform to supporting from below through the base. This structural inversion creates a more robust support system that better handles heavy loads during pressure holding, reducing breakdown frequency.
3Ease of operation
If the platform is moved upward temporarily to remove the upper die during machining, then the upper die can be removed, but this increases the number of movements and reduces production efficiency
Solution Approach 1:
The support rod is extracted from the platform's inner space and repositioned to extend from the base through the platform. This structural change allows the upper die to be removed from below without requiring platform upward movement, eliminating time loss associated with platform repositioning during machining operations.
4Ease of operation
If a complicated structure with multiple components is used to support the upper die, then the upper die can be removed during machining, but the structure becomes more complex and maintenance requirements increase
Solution Approach 1:
The contact member and block are extracted and eliminated from the support structure. The support system is simplified to essentially the support rod extending from the base through the platform, directly supporting the upper die. This dramatic simplification reduces device complexity while maintaining the ability to remove the upper die during machining.
Solution Approach 2:
The support configuration is inverted from a complex above-platform support system to a simple below-base support system. This inversion inherently reduces structural complexity while improving reliability under heavy loads.
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
This design enhances production efficiency by eliminating the need for temporary platform movement, reduces breakdowns through load reduction, and simplifies the structure, while also enabling cost-effective operation by eliminating the need for separate drive sources for piercing.
Implementation Method 1
a plurality of shock absorber means are provided on the base at positions corresponding to the rods to absorb a shock caused when the steel plate is pressed and a shock caused when the initially formed product is machined
Data Source
AI summary
Provided is a press apparatus which ensures high production efficiency and has less chances of breakdown. Specifically, the press apparatus has a base placed on a floor, and a platform arranged over the base to face the base and move up and down. A lower die, on which a steel plate is to be placed, is fixed to the base. An upper die is fixed to the platform to press the plate against the lower die and turn it into an initially formed product through a downward movement of the platform, and to pressure-hold the initially formed product with the lower die. A machining die is supported on the platform to move up and down to machine the initially formed product and form a final product by moving down while pressure-holding the initially formed product.