Swivel Rotor Scrap Metal Balling Machine
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Solution Overview
Problem
Current metal scrap processing machines, such as shredders and balling machines, face challenges with bulky scrap getting stuck, leading to operational inefficiencies and the inability to easily convert between shredding and balling functions, requiring separate designs without exchangeable inserts for mode changes.
Innovation Solution
The machine design features a divisible housing, a rotor block combining the rotor, impact iron, and star-shaped distributor, swivable for maintenance, and interchangeable sieve inserts and housing wall inserts, allowing easy conversion between shredding and balling modes and facilitating part replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the machine is designed as a single integrated unit for either shredding or balling, then the structural simplicity is maintained, but the adaptability to switch between functions is lost
Solution Approach 1:
The machine is divided into separable functional components: the housing can be opened along a separation plane, and the rotor assembly can be removed as a complete unit. This segmentation allows the machine to be reconfigured between shredding and balling modes without requiring complete disassembly, thus improving adaptability while controlling complexity.
Solution Approach 2:
The machine housing and rotor assembly are designed with universal features that allow the same basic structure to perform both shredding and balling functions. By incorporating removable sieve inserts and adjustable rotor configurations, a single machine design can serve multiple purposes, eliminating the need for separate dedicated machines.
2Ease of repair
If the rotor is fixed in the machine housing, then the structural stability is maintained, but the ease of maintenance and cleaning is reduced
Solution Approach 1:
The rotor assembly is designed with dynamic mounting features that allow it to be easily removed and reinstalled. The rotor can be swung out or detached as a complete unit from the housing, providing excellent access for maintenance while maintaining secure fixation during operation through robust mounting mechanisms.
3Ease of operation
If the machine housing is made as one piece, then the structural integrity is maintained, but the ease of cleaning and maintenance is reduced
Solution Approach 1:
The machine housing is divided into separable sections that can be opened along a defined separation plane. This segmentation provides wide access to the interior working space for easy cleaning and maintenance while maintaining structural integrity through robust joining mechanisms when closed.
4Productivity
If separate machines are used for shredding and balling, then the specialization for each function is optimized, but the loss of time for machine changes is increased
Solution Approach 1:
A single machine is designed to perform both shredding and balling functions through interchangeable components and reconfigurable settings. The rotor assembly, sieve inserts, and housing configuration can be adjusted or replaced to switch between functions, eliminating the need to physically move materials between separate machines and significantly reducing conversion time.
Solution Approach 2:
The machine is pre-configured with all necessary components for both shredding and balling operations, including interchangeable sieve inserts and adjustable rotor elements. These components are prepared and positioned for quick exchange, allowing rapid mode changes without requiring extensive setup or reconfiguration time.
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 efficient cleaning, maintenance, and quick conversion between shredding and balling operations, reducing downtime and increasing the machine's versatility by allowing the same machine to perform both functions with minimal effort, thus overcoming the limitations of existing machines.
Implementation Method 1
a rotor with a striking iron arranged in a machine frame... the striking irons are usually attached individually to the fastening discs by means of retaining bolts so that they can move axially and are thrown outwards by centrifugal forces
Implementation Method 2
the striking irons are usually attached individually to the fastening discs by means of retaining bolts so that they can move axially and are thrown outwards by centrifugal forces when the rotor shaft rotates
Implementation Method 3
evenly by a distributor star (8), which is connected to the rotor shaft (6) with a force and/or form fit and is set in rotation when it rotates axially, distributed over the entire machine cross section
Data Source
AI summary
The invention relates to a machine which can be used for producing spheres from scrap metal and, after a changeover, for comminuting such scrap. Such machines, which by a simple changeover can perform the function of one or the other machine type, are not known. Admittedly, comminution machines for cleaning and maintenance purposes frequently are equipped with a two-part machine frame, the one part of which is permanently connected to the foundation and the other part of which is connected to the first by hinges and a closure device and be pivoted away from the first machine part. It is the object of the invention to refine such a machine such that a replacement of worn components is facilitated and a changeover from one intended purpose to another can be easily performed in a time-saving manner. For this purpose, according to the invention the entire rotor block, including the rotor bearing blocks and punch, is mounted on a pivoting arm, which can be folded out of the machine frame such that the interior of the machine is freely accessible.