Sheet Stack Formation With a Deposition Platform for Continuous Stacking
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Solution Overview
Problem
Existing sheet processing apparatuses experience reduced throughput due to interruptions in stacking operations when removing formed stacks, particularly in the formation of document stacks or sheet-like electrode element stacks, as the stacker wheel must halt for gripper removal, leading to inefficiencies.
Innovation Solution
Implementing a deposition platform beneath the stacker wheel to temporarily store additional stacks, allowing continuous stacking by the stacker wheel while the gripper removes the previous stack, with controlled movement and gripping mechanisms to transfer stacks efficiently between platforms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the stacker wheel stops to allow the gripper to remove the formed stack, then the gripper can successfully remove the stack, but the throughput of the processing apparatus is reduced
Solution Approach 1:
A deposition platform is introduced into the dispensing region before the stacker wheel completes stacking. The deposition platform receives and holds the formed stack, allowing the stacker wheel to continue stacking on the lifting platform without waiting for gripper removal. This preliminary positioning of the deposition platform enables continuous operation.
Solution Approach 2:
The deposition platform acts as an intermediary between the stacker wheel and the gripper. It temporarily holds the formed stack, decoupling the stacking operation from the removal operation. This intermediary platform allows the stacker wheel to continue stacking while the gripper prepares to remove the stack from the deposition platform.
2Productivity
If the stacker wheel continues stacking without stopping, then throughput is increased, but the previous stack cannot be removed by the gripper
Solution Approach 1:
The deposition platform is introduced as an additional spatial element in the dispensing region, creating a second stacking surface. This dimensional addition allows dual simultaneous operations: stacking on the lifting platform and stack storage on the deposition platform, enabling continuous throughput without compromising removal operations.
3Productivity
If a deposition platform is introduced to enable continuous stacking, then throughput is enhanced, but device complexity increases
Solution Approach 1:
The deposition platform is designed with multi-functionality: it serves as a receiving surface for formed stacks, a temporary storage platform, and a transfer interface for the gripper. This universal design reduces the need for additional specialized components, mitigating the increase in device complexity while enabling continuous stacking operations.
Data Source
AI summary
A method for forming sheet stacks in a dispensing region of a sheet processing apparatus, involves: a) stacking sheets by a stacker wheel onto a sheet stack located on a lifting platform, b) introducing a deposition platform into the dispensing region, c) stacking further sheets by the stacker wheel onto the deposition platform arranged underneath the stacker wheel, d) introducing a gripping device into the dispensing region to take up, by the gripping device, the sheet stack formed on the lifting platform, e) removing the sheet stack formed on the lifting platform from the dispensing region, and, after the removal of the sheet stack, f) raising the lifting platform up to the deposition platform, and g) transferring the further sheet stack formed on the deposition platform onto the lifting platform and moving the deposition platform away out of the dispensing region.