Motovibrator Eccentric Mass Offset Adjustment During Operation
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Solution Overview
Problem
Existing motovibrators require manual intervention and machine shutdown to adjust the angular offset of eccentric masses, leading to inefficiencies, increased production costs, and suboptimal machine performance due to the need for manual adjustments and specialized labor.
Innovation Solution
A motovibrator with continuous adjustment of the angular offset of the eccentric masses, utilizing a transmission system with epicyclic stages and an auxiliary motor to automatically modify the relative angular position of the eccentric masses during operation, allowing real-time monitoring and automated adjustments without interrupting the machine's operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual adjustment of eccentric masses is performed, then angular position can be modified, but machine operation must be interrupted
Solution Approach 1:
The patent transforms the static manual adjustment system into a dynamic automated system. The eccentric masses are now adjusted through an automated transmission mechanism driven by a motor, allowing continuous adjustment during machine operation without manual intervention or shutdown. This dynamic system enables real-time modification of angular positions while maintaining production continuity.
Solution Approach 2:
The system performs self-adjustment through an automated transmission mechanism. The motor-driven transmission automatically modifies the angular positions of eccentric masses according to control signals, eliminating the need for specialized manual intervention. The system serves itself by automatically detecting and correcting angular position requirements without external human assistance.
2Adaptability or versatility
If successive attempts are used for adjustment, then angular position can be modified, but execution time increases
Solution Approach 1:
The system incorporates feedback mechanisms that allow real-time monitoring of the adjustment process. Sensors detect the actual angular positions of eccentric masses and compare them with target positions, enabling immediate correction and verification. This feedback loop eliminates the need for successive attempts by providing real-time information about adjustment accuracy, allowing operators to verify correctness during the adjustment process itself rather than after completion.
Solution Approach 2:
The transmission mechanism is designed to directly position eccentric masses at the desired angular location in a single operation. The system calculates and executes the precise angular adjustment in advance, rather than requiring multiple trial adjustments. This preliminary action approach determines the correct position beforehand and executes it directly, minimizing adjustment time.
3Ease of operation
If specialized labor is used for adjustment, then delicate operations can be performed, but operational complexity increases
Solution Approach 1:
The patent replaces manual mechanical adjustment operations with an automated transmission system. Instead of relying on specialized operators to manually position eccentric masses, a motor-driven transmission mechanism with controlled gears and shafts performs the positioning automatically. This substitution of mechanical manual operations with automated mechanical systems maintains precise control while eliminating the need for specialized human labor.
4Manufacturing precision
If machine shutdown is required for adjustment, then precise positioning can be achieved, but production efficiency decreases
Solution Approach 1:
The system enables continuous operation of the machine while adjustment operations are performed. The automated transmission mechanism allows angular positioning of eccentric masses to be modified during machine operation without interruption. This continuity principle ensures that the useful action of material processing or screening continues uninterrupted while adjustment occurs in parallel, maintaining both precision and productivity.
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 continuous adjustment of the angular offset without stopping the machine, reducing production inefficiencies, eliminating the need for specialized labor, and optimizing machine performance by allowing real-time adjustments and automated operation.
Implementation Method 1
a first epicyclic stage which is provided with a first sun gear rotationally actuated by said main section and a first annular element that is integral with said body, between which multiple first planetary gears are interposed which are supported rotationally by a first planet carrier, and a second epicyclic stage which is provided with a second planet carrier which is rotationally actuated by said first planet carrier and supports a plurality of second planetary gears which are interposed between a second annular element, which can be actuated rotationally about said longitudinal axis, and a second sun gear, which is coupled rotationally to said secondary section
Data Source
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AI summary
A motovibrator (1) with continuous adjustment of the angular offset of the eccentric masses, comprising a substantially box-like containment body (2) which accommodates electric motor means (3) which comprise a stator (4) that is integral with the body and a rotor (5) for the rotational actuation of a shaft (6) about its own longitudinal axis (A), the opposite ends of the shaft (6) protruding from the body (2) and being each associated with at least one respective eccentric mass; the shaft (6) comprises a main section (9) and a secondary section (10), which are mutually aligned along the longitudinal axis (A), the main section (9) being actuated rotationally directly by the rotor (5), and are coupled rotationally by interposition of transmission means (11); the transmission means (11) comprising a first epicyclic stage (12) which is provided with a first sun gear (13) rotationally actuated by the main section (9) and a first annular element (14) that is integral with the body (2), between which multiple first planetary gears (15) are interposed which are supported rotationally by a first planet carrier (16), and a second epicyclic stage (17) which is provided with a second planet carrier (18) which is rotationally actuated by the first planet carrier (16) and supports a plurality of second planetary gears (19) which are interposed between a second annular element (20), which can be actuated rotationally about the longitudinal axis (A), and a second sun gear (21), which is coupled rotationally to the secondary section (10); the rotational actuation of the second annular element (20) allows to vary continuously the relative angular position of the secondary section (10) with respect to the main section (9) and therefore the angular offset of the corresponding eccentric masses during the rotation of the sections.