Rotary Press Force Sensor Segmentation for Maintenance Access
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Solution Overview
Problem
Existing rotary presses require complex and labor-intensive dismantling of pressure rollers and force measuring devices for maintenance, repair, or replacement, especially when switching between different operating modes or states, due to the inaccessibility of force measuring devices during operation.
Innovation Solution
A pressure device for rotary presses with a force measuring system that includes a pressure piece and a force sensor, allowing the device to transition from a closed operating position to an open maintenance position, enabling external access and removal of the force measuring device without disassembling the pressure roller or entire printing device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the force measuring device is integrated within the pressure device in a fixed position, then the measurement function is stable and reliable, but the device becomes difficult to access for maintenance, repair, or replacement
Solution Approach 1:
The pressure device is divided into a fixed portion and a movable portion that can be separated from each other. The force measuring device is integrated into the movable portion, which can be detached and moved to an open maintenance position, allowing access for maintenance while maintaining stable measurement function when in the closed operating position.
2Ease of repair
If the pressure device is completely disassembled to access the force measuring device, then maintenance and replacement become possible, but the complexity of the maintenance procedure increases significantly
Solution Approach 1:
The pressure device is segmented into fixed and movable portions that can be separated without complete disassembly. This allows the force measuring device to be accessed by simply moving the movable portion, avoiding the need to disassemble the entire pressure device or printing device, thus reducing maintenance complexity.
Solution Approach 2:
The force measuring device is extracted from the fixed structure and integrated into the movable portion, which can be removed or moved independently. This extraction allows maintenance personnel to access and service the force measuring device without having to dismantle the entire pressure device or printing device.
3Ease of operation
If the force measuring device is placed in an accessible position during operation, then maintenance becomes easier, but the device is no longer protected during operation
Solution Approach 1:
The pressure device transitions between two dynamic states: a closed operating position where the force measuring device is protected and inaccessible, and an open maintenance position where it is accessible. This dynamic reconfiguration allows the system to provide both protection during operation and ease of access during maintenance.
Solution Approach 2:
By separating the pressure device into fixed and movable portions, the system creates a protected environment during operation (when closed) while enabling easy access during maintenance (when opened). The movable portion acts as a protective enclosure that can be selectively opened.
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
Facilitates easy maintenance, repair, or replacement of force measuring devices, reducing operator effort and time, while maintaining the device's protection during operation, by allowing partial or complete external access to the force measuring system without disassembling the pressure roller.
Implementation Method 1
a force sensor (78), which are arranged in a receptacle (74) of the pressure device (62)
Data Source
AI summary
The invention relates to a printing assembly for a press, in particular for a rotary printing press, wherein the printing assembly is designed to cooperate with at least one die of the press during operation of the press, such that the at least one die compresses material located in a receptacle. The printing assembly comprises a force measuring device for measuring the force exerted on the printing assembly by the at least one die, wherein at least one section of the printing assembly can be moved between a closed operating position and an open maintenance position. In the open maintenance position, the force measuring device can be accessed at least partially from the outside. The invention further relates to a rotary printing press.