Tilting Tool Bracket With Rotation Stopper for Robot Deburring

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Solution Overview

Problem

Existing deburring tools that can tilt are typically designed for use with rotating spindles, limiting their application to robots without such spindles.

Innovation Solution

A tool bracket system that allows a spindle body to be smoothly inserted and tilted, featuring a housing with a cylinder chamber, a tilting body with a tilt axis, and a rotation stopper member to prevent spindle rotation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a deburring tool is designed with a tilting mechanism for use with rotating spindles, then the tool can perform deburring operations, but it cannot be applied to robots without rotating spindles

Engineering Contradiction:
Improveapplicability to different mounting systemsVSAvoidmechanism design complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The tool bracket is designed with a universal mounting interface that can accommodate both rotating spindles and robot flange mounts. The housing includes a mounting interface configured to be mounted to either a rotating spindle or a robot flange mount, enabling the same device to function in multiple contexts without requiring separate designs for different mounting systems.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If the spindle body is allowed to tilt freely, then the tool can adapt to different workpiece angles, but the spindle may rotate uncontrollably

Engineering Contradiction:
Improvetilting smoothnessVSAvoidspindle rotational stability
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

A rotation stopper member is introduced as an intermediary component between the spindle body and the tilting mechanism. This stopper member engages with a receiving groove to prevent rotational movement of the spindle body while allowing the tilting mechanism to operate smoothly, thus mediating between the need for free tilting and the need for rotational stability.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The tilting mechanism is segmented into distinct functional components: a tilting body that enables angular adjustment, a rotation stopper member that prevents unwanted rotation, and a receiving groove that guides the tilting motion. This segmentation allows each component to perform its specific function independently, ensuring smooth tilting while maintaining rotational stability.

Inventive Principle:
Principle #1Segmentation

3Stability of the object's composition

If the spindle body is constrained to prevent rotation, then rotational stability is achieved, but the tilting mechanism may become stuck

Engineering Contradiction:
Improvespindle rotational stabilityVSAvoidtilting smoothness
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The rotation stopper member acts as a selective constraint that prevents rotation only when engaged with the receiving groove in the constrained position. During tilting operations, the stopper member disengages from the groove, allowing smooth tilting motion. This intermediary mechanism provides rotational stability when needed without interfering with the tilting function.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The constraint system is designed to be dynamic rather than static. The rotation stopper member can engage with or disengage from the receiving groove depending on the operational state. During tilting, the mechanism allows the stopper to disengage, enabling smooth motion. During positioning, the stopper engages to provide rotational stability, creating a dynamic constraint system that adapts to operational needs.

Inventive Principle:
Principle #15Dynamics

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

Enables the spindle body to be effectively tilted within the tool bracket, facilitating deburring operations on robots without rotating spindles by ensuring smooth tilting and stabilization of the spindle.

Implementation Method 1

a piston including an action portion disposed in a distal end portion, the piston configured to be urged toward a distal end by compressible fluid to reciprocate in the cylinder chamber

Methodology Applied
Scientific EffectCompressible fluid pressure: Pressure Increase

Implementation Method 2

the tilting body including a centering portion disposed in the cylinder chamber to abut against the action portion, the centering portion configured to press the piston with the cylinder axis as an action line when the tilt axis is tilted from the cylinder axis

Methodology Applied
Scientific EffectMechanical force: Mechanical Force

Data Source

PatentEP4494790A1Tool bracket
Publication Date: 2025.01.22 SUGINO MACHINE
  • EP4494790A1 patent drawingFigure 1
  • EP4494790A1 patent drawingFigure 2
  • EP4494790A1 patent drawingFigure 3

AI summary

Provided is a tool bracket in which a spindle body is inserted and the spindle body can be smoothly tilted. The tool bracket (10) includes a housing (15) including a cylinder chamber (15a) extending along a cylinder axis (2); a tilting body (17) having a tilt axis (3) configured to tilt about a tilt center (17e), the tilting body (17) to which a spindle body (1) is attachable, the tilting body (17) tiltable with respect to the cylinder axis (2); a rotation stopper member (19b) extending in a radial direction from the tilt axis (3), the rotation stopper member (19b) disposed in the tilting body (17); and a receiving groove (19a) extending along the cylinder axis (2), the receiving groove (19a) arranged in the housing (15).