Dual Servo Motor Drive for Container Treatment Gyroscope
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Solution Overview
Problem
Existing container treatment machines with oversized servo motors suffer from excessive heat production due to constant accelerations and decelerations, leading to inefficiency and wear, as they require significant power to counteract the inertia of rotating components.
Innovation Solution
The use of two smaller servo motors with a unique drive configuration, where both motors interact with the ring gear at different points, allowing for reduced drive power and eliminating the need for low-backlash gearboxes, along with energy recovery during regular operation, minimizes heat production and wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single oversized servomotor is used to drive the rotor, then sufficient synchronous operation and inertia counteraction are achieved, but the motor produces excessive heat and consumes excessive energy due to constant acceleration and deceleration cycles
Solution Approach 1:
The single oversized servomotor is segmented into two smaller servomotors that work together to drive the rotor. Each motor handles half of the drive task, reducing the power requirements and heat generation of individual motors while maintaining the overall driving capability needed for synchronous operation.
Solution Approach 2:
Two smaller servomotors are merged in their functional output to collectively drive the rotor through a common gear ring. The motors operate in coordination, with their combined torque providing the necessary driving force, thereby achieving the effect of a single larger motor with reduced individual heat production.
2Ease of operation
If a single oversized servomotor is used to counteract the inertia of the rotating gyroscope, then sufficient control is achieved, but the motor must be oversized converting excess power into heat
Solution Approach 1:
The control function previously handled by a single oversized motor is segmented between two smaller motors. Each motor contributes to the overall control capability through coordinated operation, reducing the excess power conversion to heat while maintaining adequate control authority.
Solution Approach 2:
The system changes from using one motor with high power parameters to two motors with lower individual power parameters. The combined effect maintains the necessary control capability while reducing energy waste through parameter optimization.
3Power
If two drive pinions mesh with the ring gear at different circumferential points, then smaller motors with lower drive power can be used, but the drive configuration becomes more complex
Solution Approach 1:
The drive system is segmented into two separate drive pinions positioned at different circumferential points on the ring gear. This segmentation allows each pinion to be driven by a smaller motor, reducing individual drive power requirements while distributing the mechanical load across two contact points.
Solution Approach 2:
The ring gear acts as an intermediary element that receives input from two separate drive pinions at different locations and transmits the combined rotational force to the rotor. This intermediary structure enables the use of smaller motors while maintaining effective power transmission.
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 configuration enables more efficient operation with smaller motors, reducing energy consumption and extending the lifespan of components by avoiding constant polarity reversals and heat generation, while maintaining precise control over the rotating movement of the gyroscope.
Implementation Method 1
The two motors can be servomotors... each of the two motors is a servomotor
Implementation Method 2
two drive pinions of the two motors, or to which the motors are connected, each mesh with the teeth of the ring gear of the rotor
Implementation Method 3
The gear ring (9) is rotatably mounted in a bearing device (8)
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention relates to a drive device for a container treatment machine (1), having a first servo motor (4) and a second motor (6), wherein: the first motor (4) has a first drive pinion (5) and the second motor (6) has a second drive pinion (7), or said motors are connected to said pinions in a force-transmitting manner; the two motors (4, 6) are stationary relative to a bearing device (8); a ring gear (9) which has a circular toothing and is part of a gyroscope (2) on which containers (3) can be held is mounted rotatably about a rotation axis (R) in the bearing device (8); each of the two drive pinions (5, 7) of the motors (4, 6) meshes with the toothing of the ring gear (9) of the gyroscope (2) or force is transmitted in another way, and the two drive pinions (5, 7) of the motors (4, 6) are spaced from each other in the circumferential direction of the toothing.