Three-Motor Kneading Drum Assembly for Dough Processing
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Solution Overview
Problem
Existing kneading drum arrangements are structurally complex, requiring multiple gears and shafts, making assembly and disassembly difficult and lacking direct control over individual movement components, which hinders immediate adjustments to dough processing conditions.
Innovation Solution
A kneading drum arrangement with three independently driven movement components - rotational movement of the inner drum, rotational movement of the outer drum relative to the inner drum, and linear movement of the shaft - controlled by separate drive devices, allowing for precise adjustments to kneading conditions through a control and regulating device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single drive motor is used to drive both inner and outer knitting drums, then the device complexity is reduced, but the control precision over individual movement components deteriorates
Solution Approach 1:
The patent divides the drive system into three independent drive devices (first drive device for inner drum rotation, second drive device for outer drum rotation, third drive device for axial movement), allowing each movement component to be controlled separately. This segmentation resolves the contradiction by enabling precise control of individual components while maintaining a manageable overall structure through modular design.
2Adaptability or versatility
If multiple gears and shafts are used to transmit drive force from a single motor, then the adaptability to different operating conditions is reduced, but the device complexity is reduced
Solution Approach 1:
The patent implements dynamic control by equipping each drum and movement component with its own independent drive device, allowing real-time adjustment of rotational speeds and axial positions according to different operating conditions such as dough piece weight and size variations. This dynamic architecture enables immediate responses to changing processing requirements without being constrained by fixed mechanical transmissions.
3Ease of operation
If three independently driven movement components are provided, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The patent employs universal drive devices (electric motors) that can independently control different movement components, where each drive device serves multiple functions including rotation control and position adjustment. This multi-functionality approach simplifies the overall control architecture despite having three drive devices, as each device handles specific tasks that would otherwise require complex mechanical linkages.
Data Source
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AI summary
Molding drum arrangement (3) comprises: (a) an outer drum rotatable at an operative rotational axis with receiving openings for receiving dough; (b) an inner drum mounted coaxially into the outer drum and rotatable relative to outer drum; (c) an operative shaft rotatable around the rotational axis, which is (i) rotatably driven by a first driving device and (ii) rotationally fixed with the inner drum and is set in rotation about the effective pivot axis; (d) a second driving device for rotating drive of the outer drum to the operative rotational axis; and (e) a third driving device. Molding drum arrangement (3) comprises: (a) an outer drum rotatable at an operative rotational axis with receiving openings for receiving dough; (b) an inner drum mounted coaxially into the outer drum and rotatable relative to outer drum; (c) an operative shaft rotatable around the rotational axis, which is (i) rotatably driven by a first driving device and (ii) rotationally fixed with the inner drum and is set in rotation about the effective pivot axis; (d) a second driving device for rotating drive of the outer drum to the operative rotational axis; and (e) a third driving device for linear movement of the active shaft along the operative rotational axis. The three driving devices are independently driven.