Stand Mixer Slide Rail Pin Alignment for Bowl Gap Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Stand mixers, particularly bowl-lift mixers, face challenges in maintaining a consistent gap between the slide rail and its mounting column, which affects the alignment and stability of the mixing bowl, leading to difficulties in managing heavy bowl contents and potential water leakage.
Innovation Solution
The integration of pins on the slide rail that engage with apertures on the column to align mounting holes, ensuring a uniform gap and secure attachment, allowing for consistent assembly and reduced variation in the gap size, thereby stabilizing the mixing bowl and preventing water leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the slide rail is located and affixed to the main body exclusively with fasteners, then the assembly process becomes complex and time-consuming, but the manufacturing precision and alignment consistency deteriorate
Solution Approach 1:
The patent introduces pin locators as intermediary elements between the slide rail and main body. These pin locators engage with apertures to precisely locate the slide rail position before fastening, serving as a mediator that ensures consistent alignment while simplifying the assembly process. The pin locators act as positioning intermediaries that eliminate the need for complex alignment procedures during assembly.
Solution Approach 2:
The pin locators are pre-installed on the main body before the slide rail assembly process. This preliminary action establishes the correct position and orientation of the slide rail mounting holes relative to the main body mounting holes, ensuring alignment consistency is achieved before the actual fastening operation begins.
2Reliability
If the gap between the slide rail and column varies significantly, then the mixing bowl becomes unstable and water leakage occurs, but increasing manufacturing precision to reduce gap variation increases production complexity
Solution Approach 1:
The pin locators serve as intermediary positioning elements that ensure consistent spacing between the slide rail and column. By precisely locating the slide rail position through aperture engagement, the pin locators maintain a uniform gap that ensures mixing bowl stability and prevents water leakage, while avoiding the need for complex manufacturing controls.
Solution Approach 2:
The patent changes the approach from controlling gap variation through complex manufacturing tolerances to using mechanical positioning features (pin locators) that inherently maintain consistent spacing. This parameter change shifts the control mechanism from dimensional tolerances to mechanical engagement geometry.
3Productivity
If the slide rail alignment with mounting holes is imprecise, then assembly time increases and manufacturing efficiency decreases, but improving alignment precision requires more complex manufacturing processes
Solution Approach 1:
The pin locators act as intermediary alignment aids that guide the slide rail into correct position relative to the mounting holes. By providing physical positioning through aperture engagement, they eliminate the need for precise alignment procedures during assembly, thereby improving assembly efficiency without requiring complex manufacturing processes.
Solution Approach 2:
The pin locators are pre-positioned on the main body to establish the correct alignment of mounting holes before assembly begins. This preliminary positioning action ensures that when the slide rail is installed, the mounting holes are already aligned, eliminating time-consuming alignment adjustments during assembly.
Data Source
AI summary
A stand mixer appliance includes a casing that includes a base, a column mounted to the base, and a motor housing mounted to the column and extending outwardly above the base. The column includes a slide rail mounted to the column. The slide rail includes a pin configured to engage with an aperture of the column.