Baling Machine Hold Down Assembly Wear Adjustment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing baling machines face issues with wear between the ram and the frame, leading to vertical movement of the ram, which can cause jams or damage to the cutting apparatus, and require expensive and cumbersome adjustment mechanisms.
Innovation Solution
A baling machine with a vertically adjustable hold down assembly using a shim assembly and friction bolt system that allows for self-alignment and secure positioning of hold down members to prevent vertical ram movement, eliminating the need for pre-formed components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the ram position is made fixed, then the structural simplicity is improved, but the ability to accommodate wear between the ram and frame deteriorates
Solution Approach 1:
The hold down assembly is designed to be vertically adjustable relative to the frame, transitioning from a fixed position to a dynamic position that can be modified to accommodate wear between the ram and frame surfaces. This allows the system to adapt to changing conditions while maintaining operational reliability.
Solution Approach 2:
The vertical position parameter of the hold down assembly can be changed by adjusting the shim pack thickness. By varying the shim pack thickness, the hold down assembly can be repositioned vertically to compensate for wear, effectively changing the operational parameters to maintain proper clearance and prevent ram movement issues.
2Reliability
If a vertical adjustment mechanism is added to accommodate wear, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The adjustment mechanism is segmented into discrete components: a hold down assembly with adjustment capability, a shim pack with removable shims, and a friction bolt assembly. This segmentation allows for easy adjustment by removing individual shims from the pack, providing a simple and maintainable solution that does not require complex adjustment procedures.
Solution Approach 2:
The shim pack consists of standard, off-the-shelf shim components that can be easily replaced or adjusted. Rather than requiring custom-formed components or complex adjustment mechanisms, the design uses simple, inexpensive shim parts that can be manipulated by operators to achieve the desired vertical position, reducing both complexity and cost.
3Manufacturing precision
If pre-formed components are used for vertical adjustment, then the manufacturing precision is improved, but the ease of manufacture deteriorates
Solution Approach 1:
The design replaces expensive pre-formed adjustment components with standard shim parts that can be manufactured using conventional processes. The shim pack uses generic shim components that are inexpensive to produce, while still achieving the necessary vertical positioning precision through the accumulation of standard thickness shims rather than custom-formed precision parts.
Solution Approach 2:
Instead of relying on pre-formed components with fixed dimensions, the system allows for parameter changes in vertical positioning by adjusting the total thickness of the shim pack. This enables precise positioning through the combination of standard shim components, providing manufacturing flexibility and cost-effectiveness while maintaining the required precision.
4Reliability
If a complex adjustment mechanism is used, then the reliability is improved, but the ease of operation deteriorates
Solution Approach 1:
The adjustment mechanism is divided into simple, discrete components including removable shims and a friction bolt assembly. This segmentation allows operators to easily adjust the vertical position by simply removing shims from the pack and repositioning the hold down assembly, making the adjustment process intuitive and straightforward without requiring complex procedures or specialized tools.
Solution Approach 2:
The friction bolt assembly provides a self-aligning adjustment mechanism that allows operators to easily position and secure the hold down assembly at the desired vertical level. The friction bolt design enables simple tightening and loosening operations, making the adjustment process user-friendly and eliminating the need for complex alignment procedures or specialized adjustment tools.
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
The solution effectively prevents jams and damage while being cost-effective and easier to use, allowing for efficient operation and reduced maintenance costs by accommodating wear without requiring custom components.
Implementation Method 1
a friction bolt assembly which are arranged so that removal of shims from the shim assembly allows the at least one hold down member to be positioned in a first position adjacent the baling ram
Data Source
AI summary
A baling machine having a hold down assembly. The hold down assembly inhibits the baling ram from moving vertically beyond a desired vertical position. The hold down assembly includes at least one hold down member that is coupled to the frame of the baling machine via a shim assembly and a friction bolt assembly that allows for vertical positioning of the at least one hold down member with respect to the frame of the baling machine.