Rotary Stencil Mounting Ring with Even Axial Tensioning
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Solution Overview
Problem
Existing systems for connecting and mounting cylindrical stencils in rotary application devices are complex and do not provide even axial tensioning, leading to handling difficulties and precision issues due to the fragility of the stencils and varying screen patterns, squeegee devices, and drive mechanisms.
Innovation Solution
A stencil mounting ring system comprising two concentric, non-rotatably combined ring bodies with a fastening ring and a bearing connection ring, allowing for transverse insertion and removal of the stencil end ring without rotational or axial offset, and distributing axial pressure evenly around the circumference for secure clamping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If bayonet connection elements are used for detachable fastening of the stencil end ring to the stencil receiving ring, then the connection can be subjected to axial pressure for tensioning, but the connection and separation require complex relative rotation and axial displacement operations
Solution Approach 1:
The stencil receiving ring is divided into a bearing connection ring for rotational support and a separate fastening ring for axial clamping. This segmentation allows each component to perform its specific function independently, simplifying the overall operation while maintaining connection strength.
Solution Approach 2:
The bayonet connection elements are extracted from the stencil receiving ring and transferred to the stencil end ring. This extraction simplifies the receiving ring to a basic clamping structure that only needs to provide axial force, while the connection and separation operations are performed by the end ring's built-in bayonet mechanism.
2Ease of operation
If the stencil receiving ring is designed as a special bearing connection ring forming a pivot bearing element, then the cylindrical stencil can be rotatably mounted, but the separation of the bearing receiving ring from the rotary drive bearing leads to loss of defined rotary position
Solution Approach 1:
The stencil receiving ring is segmented into two functional parts: a bearing connection ring that interfaces with the rotary drive bearing to maintain rotational position, and a fastening ring that provides axial clamping. This segmentation allows the bearing connection ring to remain engaged with the drive mechanism during operation, preserving rotational precision while enabling easy mounting and removal through the separate fastening mechanism.
3Ease of operation
If U-shaped mounts with radially protruding mounting elements in one half of the ring are used, then the cylinder stencil can be inserted transversely, but the axial tensioning is not uniform over the entire circumference
Solution Approach 1:
The bearing connection ring is designed as a complete circular structure that provides both rotational support and serves as the mounting structure for uniform axial tensioning. By distributing the clamping force uniformly around the entire circumference through the circular bearing connection ring, the system achieves both ease of transverse insertion and uniform tensioning, eliminating the limitation of U-shaped mounts.
Data Source
Figure 1A~1C
Figure 2
Figure 3~4
AI summary
The invention relates to a round template receiver ring (1) comprising a bearing connection ring (2) that can connect to a template pivot bearing (71) for pivotal bearing, and a receiver securing means (30) that is designed for detachable rotationally fixed connection to a template end-ring edge (611) of a template end ring (61) attached to a cylinder template (6). The round template receiver ring (1) has two concentric ring bodies that are rotationally joined to one another and axially offset. The one ring body forms the receiver securing means (30) in the form of an openable securing ring (3), which forms a ring receiver that is open via a through opening (33) in the opening state for freely introducing and removing the template end-ring edge (611), and which forms a ring receiver closing the through opening (33) in the closing state, with a securing ring seat (35) formed over the entire ring circumference, which binds the template end-ring edge (611) for rotationally fixed securing. The other ring body forms a bearing connection ring (2) that can be connected to a template pivot bearing (71). The securing ring (3) has a ring base segment (31) and at least one closure segment (32) which can move relative to the ring base segment (31), and which forms an opening and closing part for creating the open and the closed ring receiver. A rotational application device (5) comprises at least one cylinder template (6) with associated pivot bearing device (7). At least one template end ring (61) of the cylinder template (6) is connected to the template pivot bearing (71) of the pivot bearing device (7) by means of the round template receiver ring (1).