Vertical Cutter Mixer Lid Linkage for Uniform Closing Force
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Solution Overview
Problem
The conventional lid device of a vertical cutter mixer experiences non-uniform force distribution during closure, leading to reduced tightness and wear on the lid body, making it difficult to align properly with the mixing barrel.
Innovation Solution
A lid device with a pivotably connected lid body and support member, utilizing linking members and pivot members to ensure uniform force distribution during closure, enhancing alignment and tightness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the lid body is directly pivotally connected to the side stand via a single pivot shaft, then the structure is simple, but the lid body is subjected to non-uniform force during closure, making it difficult to align with the mixing barrel opening and reducing closing tightness
Solution Approach 1:
The lid device is divided into multiple components: lid body, support member, and linking members. The support member is pivotally connected to the side stand, while the lid body connects to the support member through linking members. This segmentation allows the force to be distributed through multiple connection points rather than concentrated at a single pivot shaft, enabling better alignment and uniform force distribution during closure.
Solution Approach 2:
The support member acts as an intermediary between the side stand and the lid body. Instead of directly connecting the lid body to the side stand, the support member mediates the connection, allowing for controlled movement and force distribution. The linking members further mediate the connection between the lid body and support member, enabling uniform force application across multiple points.
2Ease of manufacture
If the lid body is directly connected to the side stand, then the connection is straightforward, but the lid body is easily worn due to concentrated pressing force during closing
Solution Approach 1:
The connection system is segmented into multiple components (support member, linking members, pivot shaft) that distribute the mechanical stress. Instead of a single connection point that concentrates force on the lid body, the force is distributed across multiple linking members and pivot points, reducing wear on any single component and improving overall durability.
Solution Approach 2:
The linking members and support member structure are designed to distribute and cushion the pressing force before it reaches the lid body. This pre-distribution of force prevents concentrated stress that would cause rapid wear, effectively cushioning the lid body from excessive mechanical loads during the closing operation.
3Device complexity
If the lid body pivots during closing, then the connecting mechanism is simple, but the lid body contacts the barrel edge non-uniformly, reducing closing tightness
Solution Approach 1:
The pivoting function is segmented between the support member (which pivots on the side stand) and the lid body (which connects to the support member). This segmentation allows the support member to handle the pivoting motion while the lid body remains more stable, contacting the barrel edge more uniformly. The multiple linking members further distribute the contact force across several points rather than a single edge contact.
Solution Approach 2:
The support member serves as an intermediary that absorbs and manages the pivoting motion. By placing the pivot connection on the support member rather than directly on the lid body, the system mediates the pivoting action in a way that promotes more uniform contact between the lid body and the mixing barrel opening, enhancing closing tightness.
Data Source
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AI summary
A lid device (10) of a vertical cutter mixer has a lid body (11), a support member (13) and at least one linking member (15). The lid body (11) has a holder (12). The support member (13) is pivotably connected to a side stand (30). Each linking member (15) is disposed between the lid body (11) and the support member (13), is pivotably connected to the holder (12) via a first pivot member (16), and is pivotably connected to the support member (13) via a second pivot member (17). When the lid device (10) pivots to close, the lid body (11) is subjected to gravity to swing relative to the support member (13) and contacts a barrel edge of a mixing barrel (20) almost horizontally. The lid device (10) can be subjected to a uniform force during closing.