Agricultural Binding Machine Needle Extrusion Mechanism
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Solution Overview
Problem
Conventional binding machines for agriculture require significant force to operate, leading to worker fatigue and potential errors due to high resistance and inaccurate binding, as the steel needle extrusion plate needs constant pressure to push out binding needles quickly.
Innovation Solution
A binding machine design featuring a steel needle standby groove and separation protrusion on the extrusion plate allows separated needles to stand by and be extruded smoothly, reducing the force required for operation and preventing plate transformation, with a spring mechanism to assist in the separation and positioning of needles for precise binding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the steel needle extrusion plate continuously and quickly pushes out binding needles, then productivity is improved, but the force required to operate the lever increases significantly
Solution Approach 1:
The steel needle standby groove pre-positions individual needles in sequence, so that when the extrusion plate moves, needles are already prepared and aligned for immediate engagement with the binding tape. This preliminary arrangement eliminates the need for continuous high-force pressing during operation.
Solution Approach 2:
The steel needle group is divided into individual needles that can be separated and positioned independently in the standby groove. This segmentation allows the extrusion plate to engage with multiple pre-positioned needles simultaneously or sequentially, reducing the force needed compared to pushing a solid block of needles.
2Productivity
If high pressure is applied to push out steel needles quickly, then productivity is improved, but the steel needle extrusion plate may transform and binding accuracy deteriorates
Solution Approach 1:
The standby groove pre-positions needles at precise locations before engagement, ensuring that each needle is correctly oriented and spaced. This preliminary positioning maintains binding accuracy even during rapid operation, eliminating the need for high pressure that could cause plate transformation.
Solution Approach 2:
The standby groove acts as an intermediary structure between the steel needle supply part and the binding tape. It buffers the mechanical stress by providing a stable intermediate position for needles, preventing direct transmission of excessive force from the extrusion plate to the needle group, thereby maintaining both speed and precision.
3Productivity
If continuous high-force operation is required, then productivity is maintained, but worker fatigue increases and errors occur
Solution Approach 1:
By pre-positioning needles in the standby groove during idle periods, the system prepares for the next binding cycle in advance. This allows the operator to trigger binding cycles with minimal force, significantly reducing fatigue during continuous operation while maintaining high productivity.
Solution Approach 2:
The standby groove mechanism allows the steel needle supply part to automatically prepare and position needles without requiring continuous manual intervention or high force from the operator. The system serves itself by maintaining readiness for the next operation, reducing the operator's workload to simple triggering actions.
Data Source
AI summary
Disclosed is a binding machine for agriculture which is used when binding, using a binding tape, a crop to a pole which is previously installed near the crop so as to keep in places the stems or branches of various crops. A steel needle standby groove is formed at an inner side of the steel 5 needle exit of the steel needle supply part loaded with binding steel needles, and when steel needles are extruded, the steel needle is separated from the steel needle group and stands by in the steel needle standby groove, and in the steel needle extrusion plate, a steel needle separation protrusion is formed at a side surface 10 in the direction of the steel needle standby groove, and then the binding steel needle is extruded.