Tyre Post-Treatment Press Frame With Pneumatic Locking

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Solution Overview

Problem

Existing post-treatment devices for vulcanized tires are bulky, heavy, and costly due to their robust and complex frames, which require hydraulic cylinders and extensive support structures, limiting their size and installation flexibility.

Innovation Solution

A post-treatment device with a single central support column and crossbeams, using pneumatic drives and mechanical locking mechanisms to reduce the frame's size and weight, eliminating the need for hydraulic cylinders and allowing for modular, space-saving design with synchronized station operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If a robust frame with multiple support columns and crossbeams is used to ensure stability during post-treatment, then the device achieves necessary structural stability, but the device becomes heavy and very tall

Engineering Contradiction:

Improveframe stabilityVSAvoiddevice weight

Core Design Contradiction:

Stability of the object's compositionVSWeight of stationary object

Solution Approach 1:

The frame is segmented into a minimal essential structure with only one central support column and necessary crossbeams, removing redundant structural elements while maintaining stability during post-treatment operations

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Redundant support columns and excessive crossbeams are extracted from the frame structure, retaining only the minimum necessary elements to ensure stability, thereby reducing overall weight and complexity

Inventive Principle:

Principle #2Taking out (Extraction)

2Force

If hydraulic cylinders are used to generate closing force for clamping tires, then sufficient clamping force is achieved, but the frame requires extensive support structures making it complex and costly

Engineering Contradiction:

Improveclosing forceVSAvoidframe complexity

Core Design Contradiction:

ForceVSDevice complexity

Solution Approach 1:

Hydraulic cylinders are replaced with pneumatic drives that generate the necessary closing force through compressed air, eliminating the need for extensive hydraulic support structures and reducing frame complexity

Inventive Principle:

Principle #29Pneumatics and hydraulics

Solution Approach 2:

The mechanical hydraulic system is substituted with a pneumatic system, simplifying the overall mechanical structure and reducing the complexity of support requirements

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Stability of the object's composition

If a tall frame with multiple support columns is used to accommodate multiple stations, then sufficient support is provided, but the device height increases to approximately 4.6 m

Engineering Contradiction:

Improvestructural supportVSAvoiddevice height

Core Design Contradiction:

Stability of the object's compositionVSLength of stationary object

Solution Approach 1:

The structural support approach transitions from vertical height to horizontal compactness, arranging stations and support elements in a space-efficient configuration that reduces overall device height while maintaining stability

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

4Strength

If robust material-intensive framing is used to withstand high pressures, then the device can handle thick-walled bias tires, but material costs and device weight increase significantly

Engineering Contradiction:

Improvepressure resistanceVSAvoidframe weight

Core Design Contradiction:

StrengthVSWeight of stationary object

Solution Approach 1:

The framing parameters are optimized to provide sufficient strength for pressure resistance while using minimal material, achieving the required pressure handling capability for thick-walled bias tires without excessive weight or material consumption

Inventive Principle:

Principle #35Parameter changes

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 new design reduces the device's width and weight, enabling easier installation, reduced material costs, and efficient use of space, while maintaining high precision and automation in tire treatment.

Implementation Method 1

the interior of the tire can be pressurized by introducing a support gas, whereby the tire is fixed in the target size

Methodology Applied

Scientific EffectGas pressure: Pressure Increase

Implementation Method 2

a closing force (holding) that can be transmitted to at least one rim plate by means of at least one hydraulic cylinder

Methodology Applied

Scientific EffectHydraulic pressure: Hydraulic Press

Data Source

PatentEP4284633B1Device for post-treating vulcanized tyres

Publication Date: 2025.12.10 HARBURG FREUDENBERGER MASCHINENBAU GMBH

Figure 1~2a
Figure 2b~3

AI summary

The invention relates to a device for the post-treatment of at least partially vulcanized tyres having an improved frame design, which is ensured essentially by the use of pneumatic drives and a mechanical guard locking of the stations. In addition, a lower weight and a smaller size of a post-treatment device can be achieved. One embodiment of the invention relates to a tyre heating press comprising at least one such post-treatment device. The claimed post-treatment device (1) for at least partially vulcanized tyres (20) has at least one station (2) for the post-treatment of a tyre (20) and at least one support gas supply device, by which a tyre (20) present in the station (2) of the post-treatment device (1) can be subjected to a pressure from the inside, the device comprising exactly one support column (3a).