Produce Label Printer With Accumulator Buffering Speed Mismatch
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Solution Overview
Problem
Existing label printing and application systems face inefficiencies due to mismatched operational speeds between printers and label applicators, leading to waste and inventory burdens, especially when dealing with variable data and multiple types of produce.
Innovation Solution
A printer assembly that includes a printer, an accumulator, and a control system, which compensates for speed differences by temporarily storing printed labels and initiating/terminating printing based on accumulator capacity, allowing for flexible and efficient application of variable data labels on produce moving on a conveyance system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the printer operates at high speed to increase productivity, then the labeling throughput is improved, but the mismatch with the applicator's speed causes operational disruptions and potential waste
Solution Approach 1:
The printer prints labels in advance and stores them in the accumulator before the applicator needs them. This preliminary action allows the printer to operate at its optimal high speed independently, while the applicator retrieves labels at its own pace, eliminating speed mismatch issues and ensuring continuous reliable operation of both components.
Solution Approach 2:
The accumulator serves as an intermediary buffer between the printer and applicator. It decouples the two components, allowing them to operate at different speeds without causing disruptions. The accumulator absorbs the speed difference and ensures smooth label transfer, resolving the synchronization reliability issue while maintaining high productivity.
2Ease of operation
If pre-printed labels are used to simplify the process, then the ease of operation is improved, but the inability to provide variable data for different produce types increases waste and inventory requirements
Solution Approach 1:
The system changes the parameter of label content from fixed (pre-printed) to variable (printed on-demand). The printer can dynamically adjust label content based on real-time produce information, allowing variable data to be printed only when needed. This eliminates waste from unused pre-printed labels while maintaining operational simplicity through automated control.
Solution Approach 2:
The system uses self-service by retrieving produce data automatically and printing the required label information only when needed. The control system manages the entire process, printing labels with appropriate variable data on-demand without manual intervention. This eliminates the need to maintain inventory of multiple pre-printed label types and reduces waste from unused labels.
3Adaptability or versatility
If multiple rolls of pre-printed labels are maintained in inventory to cover different produce types, then the adaptability is improved, but the device complexity and inventory management burden increase
Solution Approach 1:
The system uses a single universal printer that can print any label content required for different produce types, replacing the need for multiple specialized pre-printed label rolls. The printer adapts to different produce types by receiving variable data from the control system, providing the same adaptability with much simpler inventory management - only one label roll is needed instead of multiple specialized rolls.
Data Source
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AI summary
A printer assembly (30) for applying labels (36) on produce P being transported on a conveyance system (24). The printer assembly receives labels (36) mounted on a substrate tape (34) from a label supply (32) and prints content on the labels pertaining to the produce being transported. An accumulator (42), together with the printer (40), are mounted on a chassis (60). The accumulator receives labels from the printer, temporarily stores a variable number of the printed labels and supplies the stored labels as needed to an applicator (44). The applicator removes the labels from the substrate tape and applies the labels on the produce as the produce is being transported by the conveyance system. The accumulator accommodates the difference in the operational speeds of the printer relative to the applicator.