Friction Block Push Rod Fixing for Conveyor Chain
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Solution Overview
Problem
Existing systems for fixing push rods to chains with protruding pins are not very flexible for removal or replacement, and the assembly and disassembly processes are complicated and time-consuming.
Innovation Solution
A handling system that uses blocks with central and lateral holes to securely fix push rods to chains with protruding pins, allowing for easy assembly and disassembly without the need for tools or screws.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional mechanical fixing devices with multiple parts are used to fix push rods to chains, then the fixing is functional, but the assembly and disassembly operations become complicated and time-consuming
Solution Approach 1:
The fixing device is segmented into three main components: a block with friction surfaces, a push rod with transverse holes, and chain links with protruding pins. This segmentation allows each component to be simple in design while working together to achieve reliable fixing, and enables quick assembly by simply aligning and friction-fitting the components without complex fastening operations.
Solution Approach 2:
The block is inserted through the transverse holes of the push rod and onto the protruding pins of the chain links, creating a nested arrangement where the block encompasses the push rod which in turn engages with the chain pins. This nesting structure achieves secure fixing through friction and geometric constraint without requiring additional fastening parts.
2Reliability
If traditional mechanical fixing devices with multiple parts are used to fix push rods to chains, then the fixing is functional, but the system becomes less flexible for removal or replacement
Solution Approach 1:
The fixing system is divided into separable components (block, push rod, chain links) that can be independently removed and replaced. The block can be easily detached from the push rod and chain, allowing for flexible maintenance, replacement, or reconfiguration without affecting other parts of the conveyor system.
Solution Approach 2:
The fixing device transitions from a static, permanently fixed state to a dynamic, easily adjustable state. The friction-based connection allows the block to be firmly held during operation but can be quickly released by overcoming the friction force, enabling adaptive removal and replacement based on operational needs.
3Strength
If milling and turning operations are used to manufacture fixing parts, then the fixing structure is robust, but the manufacturing costs and complexity increase
Solution Approach 1:
The fixing system uses simple geometric shapes (block with friction surfaces, cylindrical push rod, chain links with pins) that can be manufactured using basic forming processes rather than complex milling and turning operations. This segmentation into simple components significantly reduces manufacturing complexity while maintaining structural robustness through proper friction design.
Solution Approach 2:
The block and push rod components are designed as simple, inexpensive parts that can be easily manufactured and replaced if needed. Rather than creating complex, expensive fixed structures, the system uses simple friction-based components that achieve robust fixing at lower manufacturing cost.
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
This solution simplifies the manufacturing and assembly of the fixing system, reduces production and assembly costs, and enhances the flexibility and reconfigurability of the conveyor belt by allowing for easier replacement of push rods and adjustment of the pitch between them.
Implementation Method 1
blocks having a central hole suitable for sliding with friction on said push rods; said blocks having a pair of holes, lateral to said central hole, suitable for sliding with friction on said pins
Data Source
AI summary
A system for moving discrete articles comprising a system for fixing push rods to the chain comprising: two opposite sides (20) that support a conveyor plane (21); two chain holder guides (22), opposite and fixed to said sides (20); two chains (23) with links with protruding pins (24) sliding inside said two chain holder guides (22); push rods (25) fixed in a removable manner, transversally to said conveyor plane (21), to said pins (24) of said chain (23); characterized in that it comprises: blocks (30) having a central hole (31) designed to slide with friction over said push rods (25); said blocks (30) having a pair of holes (32), lateral to said central hole (31), designed to slide with friction over said pins (24).