Vibrating Ball Mill Fastening Unit Spring Clamp

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Solution Overview

Problem

Existing vibrating ball mills face challenges in handling and securing grinding bowls, requiring screws or other fastening mechanisms, which complicate the process and may compromise operational safety.

Innovation Solution

A vibrating ball mill with a fastening unit that includes a prestressed cylinder and sleeve system, along with a positioning mandrel, allows for easy insertion and secure attachment of grinding bowls and lids without screws, utilizing a spring device for tension and a release mechanism for easy loading and unloading, enhancing operational safety and ease of use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If screws or other fastening mechanisms are used to secure grinding bowls, then the grinding bowls can be held securely in place, but the handling process becomes more complex and time-consuming

Engineering Contradiction:
Improvesecuring grinding bowlsVSAvoidfastening process
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent removes the traditional screw fastening mechanism and replaces it with a spring-loaded clamp system. The clamp is pre-tensioned to automatically grip the grinding bowl upon insertion, eliminating the need for separate fastening operations while maintaining secure holding.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The spring clamp is pre-loaded with tension before the grinding bowl is inserted. This preliminary action ensures that as soon as the grinding bowl enters the receptacle, the clamp is already in position and applies securing force immediately, without requiring any additional fastening steps.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If traditional fastening mechanisms are used, then the grinding bowls can be secured, but the operational safety may be compromised due to improper fastening

Engineering Contradiction:
Improveoperational safetyVSAvoidhandling grinding bowls
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The spring-loaded clamp system is self-actuating. When the grinding bowl is inserted into the receptacle, the clamp automatically engages and applies securing force through its pre-loaded spring mechanism. The system serves itself by converting the simple insertion motion into automatic clamping action, ensuring consistent and reliable securing without requiring operator skill or attention.

Inventive Principle:
Principle #25Self-service

3Reliability

If screws or complex fastening mechanisms are used, then the grinding bowls can be attached securely, but the time required for loading and unloading increases

Engineering Contradiction:
Improveattachment securityVSAvoidloading and unloading time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The spring clamp is pre-tensioned and positioned before the grinding bowl is inserted. This preliminary preparation ensures that the securing action occurs automatically during the insertion process itself, eliminating any separate fastening time. Similarly, removal is simplified by releasing the spring tension, allowing rapid extraction.

Inventive Principle:
Principle #10Preliminary action

4Ease of operation

If a simple insertion method is used without fastening mechanisms, then the handling is easier, but the grinding bowls may not be securely held during operation

Engineering Contradiction:
Improveinsertion processVSAvoidholding security
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent extracts the complex screw fastening operation and replaces it with a spring-loaded clamp system that provides automatic securing. The user simply inserts the grinding bowl into the receptacle, and the pre-loaded spring clamp automatically engages to hold it securely, combining simple insertion with reliable holding.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The spring clamp system automatically performs the securing function upon insertion. The pre-loaded spring converts the insertion motion into automatic clamping action, ensuring the grinding bowl is securely held during operation without requiring any additional fastening steps or operator intervention.

Inventive Principle:
Principle #25Self-service

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 solution simplifies the handling and secure attachment of grinding bowls and lids, reducing the need for screws and improving operational safety by providing a precise and secure fastening mechanism that enhances the ease of use and reduces the complexity of the process.

Implementation Method 1

The fastening unit, in particular prestressed, for fixing a grinding bowl in the grinding bowl receptacle and for fixing a cover on a grinding bowl

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP4324563A1Vibrating ball mill
Publication Date: 2024.02.21 HERZOG MASCHFAB GMBH CO KG
  • EP4324563A1 patent drawingFigure 1~2
  • EP4324563A1 patent drawingFigure 3
  • EP4324563A1 patent drawingFigure 4

AI summary

Oscillating ball mill for grinding material, comprising a drive device (18), a grinding device with at least one grinding cup receptacle and a kinematic mechanism (20) which is driven by the drive device and which moves the grinding device back and forth on a predetermined path, wherein the grinding device further comprises a fastening unit (70) for fixing a lid (92) on a grinding cup (90) located in the grinding cup receptacle.