Automated Case Bottom Removal for Fast Product Unpacking
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Solution Overview
Problem
Existing methods for unpacking products from packaging cases are inefficient and time-consuming, requiring manual or semi-automated processes that involve opening cases without damaging the products and transferring them to new containers, which can be cumbersome and lengthy.
Innovation Solution
An automated case unpacking system utilizing a work surface with apertures, a case movement device, elongated cutting arms with blades, and a case bottom removal assembly to separate and remove the case bottom, allowing products to be emptied into a receptacle through the void left by the removed bottom.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual unpacking is used to remove products from cases, then product safety is maintained, but unpacking time and labor intensity increase significantly
Solution Approach 1:
The case is divided into separate components (case body and case bottom) through automated cutting. The case bottom is separated from the main case structure, allowing products to be emptied through the opened bottom without manual handling, thus reducing time while maintaining product safety.
Solution Approach 2:
Manual mechanical unpacking operations are replaced with an automated system comprising a case movement device, cutting arm with blade, and bottom removal assembly. This automation performs the unpacking function without direct human intervention, significantly reducing time while preserving product integrity through controlled operations.
2Productivity
If automated unpacking processes are used, then unpacking speed increases, but process complexity and cycle time increase due to multiple steps
Solution Approach 1:
Multiple unpacking operations (cutting case sides, removing case bottom, emptying products) are merged into a single integrated automated system. The case movement device, cutting arm, and bottom removal assembly work together in sequence without requiring separate manual operations, reducing overall process complexity while maintaining high productivity.
Solution Approach 2:
The case bottom is cut and removed before product emptying, creating a pre-prepared opening for product discharge. This preliminary action simplifies the subsequent emptying operation and reduces the number of steps required during the main unpacking process.
3Ease of operation
If case bottom is removed early in the process, then product emptying is simplified, but case structural integrity is compromised
Solution Approach 1:
The case bottom is cut and removed in advance as a preliminary step before product emptying. This creates a prepared opening that simplifies the subsequent product discharge operation, making it easier to empty products through the pre-formed opening rather than creating it during emptying.
Solution Approach 2:
The case is segmented into the case body and case bottom, with the bottom being separated through automated cutting. This segmentation allows the bottom to be removed while the case body remains intact and structurally sound, maintaining integrity of the remaining case structure for potential reuse or disposal.
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 system efficiently automates the unpacking process, reducing cycle times and ensuring products are transferred without damage by using robotic movement and precise cutting to separate case components, facilitating seamless transfer into product receptacles.
Implementation Method 1
The at least one case movement device may receive a respective case and position the case in a cutting position proximate the at least one elongated cutting arm, such that the blade is configured to cut one or more sides of a respective case
Implementation Method 2
In the extraction position, the separated case bottom is punctured by and secured to the puncture elements
Data Source
AI summary
A system and method for unpacking a case are provided. The system may comprise a work surface that defines a cutting, extraction, and unloading position and a robot configured to move the cases between the respective positions. The robot may first engage and position the case in the cutting position, wherein a plurality of cutting arms cut a first pair of sides simultaneously near the case bottom. The robot rotates the case and the cutting arms cut another pair of sides simultaneously near the case bottom. The robot then moves the case from the cutting position to the extraction position, where the case bottom is retained and removed from the case. The robot then moves the bottomless case from the extraction position to the unloading position adjacent to the work surface, wherein the product inside the case is deposited into a receptacle through the open case bottom.