Pivotable Base for Combination Weighing Device Maintenance
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Solution Overview
Problem
Conventional combination weighing devices require significant labor to move and maintain due to the weight of supply units and tanks, making cleaning and maintenance operations cumbersome.
Innovation Solution
A horizontal-type combination weighing device with pivotable bases that allow easy exposure of weighing units for maintenance, supported by cross roller bearings and a torque hinge, and equipped with a self-lockable locking mechanism and clamping mechanism to secure the base in position, reducing size and handling effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If supply units with tanks and linear feeders are used to retain and feed articles, then the automatic operation capability is improved, but the weight of the equipment increases significantly
Solution Approach 1:
The supply units are divided into separate components: tanks for retaining articles and linear feeders for feeding, which can be independently moved and positioned. This segmentation allows the heavy tanks to remain stationary while only the lighter feeder portions need to be moved for maintenance.
Solution Approach 2:
The linear feeders are designed to be movable relative to the tanks, enabling dynamic reconfiguration. The feeders can be shifted along the tanks to access different storage locations, and the entire feeder assembly can be moved for maintenance without moving the heavy tanks.
2Stability of the object's composition
If the base is made heavy to support tanks and feeders, then structural stability is improved, but the ease of moving the base for maintenance decreases
Solution Approach 1:
The system is segmented into a stationary heavy base with tanks and a movable lighter feeder assembly. This allows the base to remain stable while the feeders can be independently moved for maintenance without requiring the entire base to be relocated.
Solution Approach 2:
The linear feeders act as intermediaries between the stationary tanks and the weighing units. They can be moved along the tanks to access different article types, and the feeder assembly can be detached and moved for maintenance while the heavy base remains in place.
3Adaptability or versatility
If the base is made long to accommodate multiple weighing units, then the functionality is improved, but the space required for maintenance operations increases
Solution Approach 1:
The long base is segmented into multiple sections, each with its own feeder assembly. This allows individual sections to be accessed and maintained independently, reducing the space required for maintenance operations compared to maintaining the entire long base at once.
Solution Approach 2:
The feeder assemblies are designed to be movable along the long base, allowing maintenance personnel to position feeders at specific locations for maintenance. This dynamic positioning reduces the space required for maintenance operations compared to a static configuration where the entire base must be accessed.
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
Facilitates effortless cleaning and maintenance of weighing units by allowing the base to pivot freely, reducing labor and ensuring accurate weighing operations without vibration-induced errors.
Implementation Method 1
a cross roller bearing that supports a pivoting shaft of the base, the cross roller bearing being disposed at a position below the one end in the horizontal direction
Implementation Method 2
a torque hinge allowed to hold the base at an optional pivoting position. According to this embodiment, the torque hinge imparts a resistance torque against pivoting movement of the base, allowing the base to be held at an optional pivoting position
Implementation Method 3
The clamping mechanism has a clamping tool that elastically presses, in a direction in which the base is no longer pivotable, the base that is currently at the predetermined position
Data Source
AI summary
In a horizontal combination weighing device in which weighing units are arranged next to each other, a horizontally long base is equipped with the weighing units each including a weighing hopper and is supportably mounted to a support frame in a manner that the base is pivotable around a fulcrum vertically extending at lateral one end of the base.