Grinding Pad Deformation Device for Non-Horizontal Surfaces

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Solution Overview

Problem

Conventional grinding machines for non-horizontal surfaces, particularly those with continuous irregular shapes, struggle to effectively fit and grind due to limited deformation capabilities, leading to reduced efficiency, especially when dealing with large radii or uneven wave-like surfaces.

Innovation Solution

A grinding machine with a deformation device comprising offset units, first deformation members, and second deformation members that allow the grinding pad to adjust its angles independently, enabling it to fit various non-horizontal surfaces by varying the first and second deformation angles, maintaining a reference horizontal line during grinding.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single deforming member is used with lever shaft connection or spring, then the structure is simple, but the deformation degree is limited and cannot fit large radian surfaces

Engineering Contradiction:
Improvedeformation device structureVSAvoiddeformation degree
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The deformation device is divided into multiple independent deforming members (first deforming member and second deforming member) that can deform independently. Each deforming member is connected to the receiving plate and grinding pad but operates autonomously, allowing different deformation angles and degrees to accommodate various surface radii and irregularities.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The deforming members are designed with dynamic deformation capabilities through elastic elements (springs) that allow continuous adjustment of deformation angles. This dynamic flexibility enables the grinding pad to adapt to continuously varying non-horizontal surfaces with different radii, transforming a static single-state system into a dynamic multi-state system.

Inventive Principle:
Principle #15Dynamics

2Stability of the object's composition

If deforming members on both sides must simultaneously deform to maintain horizontal state, then the receiving plate and grinding pad remain horizontal, but the grinding pad cannot conform to continuous uneven wave-like surfaces

Engineering Contradiction:
Improvehorizontal state maintenanceVSAvoidconformance to irregular surfaces
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The deformation function is segmented between the receiving plate (which maintains horizontal stability) and the deforming members (which provide adaptive deformation). The deforming members act as independent intermediaries that can deform asymmetrically, allowing one side to deform more than the other to match wave-like surface profiles while the receiving plate remains stable.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions of the grinding pad can have different deformation characteristics through the independent deforming members. Each deforming member can be adjusted to provide local deformation appropriate for specific surface irregularities, allowing the grinding pad to conform to continuous uneven wave-like surfaces with varying local radii.

Inventive Principle:
Principle #3Local quality

3Device complexity

If conventional deformation devices are used, then the structure is simple, but the grinding efficiency is reduced when grinding large radian surfaces

Engineering Contradiction:
Improvedeformation device structureVSAvoidgrinding efficiency
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The deformation device incorporates dynamic springs that allow continuous adjustment of deformation angles and degrees during grinding operations. This dynamic capability enables the grinding pad to quickly adapt to large radian surfaces and continuous irregular surfaces, maintaining optimal contact and significantly improving grinding efficiency compared to static single-state deformation devices.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS11141831B2Grinding machine for grinding non-horizontal grinding surfaces
Publication Date: 2021.10.12 XPOLE PRECISION TOOLS INC
  • US11141831B2 patent drawing
  • US11141831B2 patent drawing
  • US11141831B2 patent drawing

AI summary

A grinding machine for grinding non-horizontal grinding surfaces comprises a deformation device which is disposed between a grinding power source and a grinding pad driven by the grinding power source. The deformation device includes a set of an offset unit and the deformation members disposed near one end of the grinding pad, wherein the offset units, the first deformation member and the second deformation member define deformation angles. Therefore, one end of the grinding pad is correspondingly fitted to various non-horizontal grinding surfaces independently through the variable angles of the deformation angle, especially for continuous irregular non-horizontal grinding surfaces. Thus, the present invention has excellent grinding effectiveness.