Tire Vulcanizer Mold Segment Radial Swinging Mechanism
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Solution Overview
Problem
The existing mold container devices for tire vulcanization suffer from poor temperature responsiveness and increased load on the tread of vulcanized tires due to inefficient heat transfer and displacement mechanisms.
Innovation Solution
The introduction of a mold container device with a ring-shaped outer ring and segments, featuring a conversion mechanism that allows radial movement and swinging of segments, enabling improved heat source placement and reduced load on the tread during tire removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the heat source is provided in the outer ring and heat is transferred via the segment and tread mold, then the structure is simple, but the temperature responsiveness is poor
Solution Approach 1:
The heat source is extracted from the outer ring and directly placed inside the segment. This removes the intermediate heat transfer path (outer ring → segment → tread mold) and creates a direct heating path (heat source → tread mold), significantly improving temperature responsiveness while maintaining structural simplicity
Solution Approach 2:
The heat source is positioned in a different spatial location (inside the segment rather than in the outer ring), changing the heat transfer dimension from indirect external heating to direct internal heating, which improves thermal efficiency and responsiveness
2Object-affected harmful factors
If the segment is displaced outward in radial direction to remove load from tread, then the tread load is reduced, but the amount of movement increases making it difficult to dispose the heat source
Solution Approach 1:
The heat source is extracted from the outer ring and relocated to the segment interior. This resolves the conflict by providing a compact mounting location within the segment that accommodates both the radial movement requirement and the heat source placement, eliminating the difficulty of heat source disposal
Solution Approach 2:
The heat source is nested within the segment structure. This compact arrangement allows the heat source to be housed inside the moving segment component, enabling radial movement to reduce tread load while maintaining a simple overall structure without external wiring or piping complexity
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 configuration enhances temperature responsiveness and reduces the load on the tread, improving the quality and commercial value of vulcanized tires by allowing for efficient heat transfer and straight removal of tread molds.
Implementation Method 1
The inner peripheral surface of the outer ring has an inclined surface slidable with respect to the outer surface of the plurality of segments
Implementation Method 2
The conversion mechanism swings one of a lower edge portion and an upper edge portion of the segment in the radial direction about a swinging shaft provided on the other of the lower edge portion and the upper edge portion of the segment disposed in the second position
Data Source
Figure 1
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AI summary
A mold container device (20) includes a plurality of segments (26), an outer ring (27), and a conversion mechanism (28). The conversion mechanism (28) connects the outer ring (27) and the segment (26). The conversion mechanism (28) moves the segment (26) in a radial direction between a first position and a second position outside the first position in the radial direction, according to displacement of the outer ring (27) in the direction of the axis O. The conversion mechanism (28) further swings one of a lower edge portion and an upper edge portion of the segment (26) in the radial direction, according to displacement of the outer ring (27) in the direction of the axis O.