Modular Protective Cover for Machine Tool Slideways

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Solution Overview

Problem

Existing protective covers for machine tools are difficult to maintain and replace, often requiring significant downtime and high costs due to the need to remove the work head or disassemble the cover piece by piece, especially in complex architectures.

Innovation Solution

A protective cover design featuring a driving cover member with reversibly coupled first and second cover members, allowing for translational movement and easy assembly/disassembly without special tools, using a pantograph mechanism and locking means for synchronized sliding and secure coupling, enabling quick maintenance and adaptation to various machine tools.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the protective cover is designed as a fixed integrated structure, then the structural stability is improved, but the maintenance complexity increases and downtime increases

Engineering Contradiction:
Improvestructural stabilityVSAvoidmaintenance complexity
Core Design Contradiction:
Stability of the object's compositionVSEase of repair

Solution Approach 1:

The protective cover is divided into multiple modular panels that can be independently removed and replaced. Each panel is a separate component that can be accessed and maintained without removing the entire cover structure, enabling quick repairs while maintaining overall structural integrity through the modular assembly.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cover incorporates movable panels that can be dynamically opened, closed, or removed as needed. This dynamic design allows the cover to transition between a closed protective state and an open maintenance state, facilitating easy access to slideways for repair while maintaining structural stability when closed.

Inventive Principle:
Principle #15Dynamics

2Reliability

If the protective cover uses a complex architecture to accommodate the work head, then the protection capability is improved, but the disassembly difficulty increases and maintenance cost increases

Engineering Contradiction:
Improveprotection capabilityVSAvoiddisassembly difficulty
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The complex protective cover is segmented into multiple standardized panels with uniform connection mechanisms. This segmentation simplifies the disassembly process by breaking down a complex integrated structure into manageable modular units that can be removed sequentially without requiring complex tools or procedures.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cover panels are designed with nested or overlapping structures that accommodate the work head passage while maintaining protection. The panels can be layered or nested together to provide multiple levels of protection, yet remain simple to disassemble by removing individual layers without affecting others.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Stability of the object's composition

If the protective cover panels are driven in succession, then the synchronization is improved, but the drive mechanism complexity increases

Engineering Contradiction:
ImprovesynchronizationVSAvoiddrive mechanism complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The cover panels are designed to self-synchronize through mechanical coupling between adjacent panels. As one panel moves, it automatically drives the next panel through direct mechanical contact or coupling, eliminating the need for complex independent drive mechanisms for each panel while maintaining synchronized movement.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Multiple panel drive functions are merged into a single drive mechanism that simultaneously or sequentially actuates multiple panels. The drive force is transmitted from one panel to the next through mechanical coupling, combining what would otherwise require multiple independent drive systems into one simplified mechanism.

Inventive Principle:
Principle #5Merging (Combining)

4Reliability

If the work head must be removed to access the protective cover, then the protection integrity is improved, but the maintenance downtime increases

Engineering Contradiction:
Improveprotection integrityVSAvoidmaintenance downtime
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The protective cover is designed with independently accessible panels that can be removed without removing the work head. This segmentation allows maintenance personnel to access and repair specific cover panels while the work head remains installed, significantly reducing maintenance downtime while maintaining protection integrity through the modular design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Specific cover panels are designed to be extractable or removable as individual components without affecting the overall cover structure or requiring work head removal. This extraction capability allows targeted maintenance of only the necessary panels, minimizing downtime while preserving the protective function of the remaining cover structure.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentEP3175951B1Protective cover
Publication Date: 2021.01.06 P E I PROTEZIONI ELABORAZIONI IND SRL
  • EP3175951B1 patent drawingFigure 1A
  • EP3175951B1 patent drawingFigure 1B
  • EP3175951B1 patent drawingFigure 2A

AI summary

A protective cover (1) for slideways (110) of a machine tool (100), comprises: a driving cover member (10) associable with a movable part of a machine tool (100) movable translationally along the slideways (110); a plurality of first cover members (20) located on a first side (11) of the driving cover member (10); a plurality of second cover members (30) located on a second side (12) of the driving cover member (10); driving means (40). The protective cover (1) comprises locking means (50) which are operatively associated between the first cover members (20) and the second cover members (30) and which have at least two distinct coupling/locking parts (51, 52) to allow reversible coupling between the first cover members (20) and the second cover members (30). [Figure 1 A]