Rotary Quick-Change Machining Element Attachment Mechanism
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Solution Overview
Problem
Existing machining apparatuses face difficulties in quickly and easily replacing machining elements, as they are often secured with screw connections that require tools for release, making the process cumbersome.
Innovation Solution
The apparatus features machining elements with a rotary body that connects to a complementary connection area on a belt, allowing for simple and quick attachment and detachment by rotating the body in specific directions, providing a torque for secure attachment during machining.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If screw connections are used to attach machining elements to the belt, then the attachment is secure and reliable, but the replacement process becomes cumbersome and time-consuming
Solution Approach 1:
The connection system is divided into separate components: a rotary body on the machining element and a corresponding connection area on the belt. This segmentation allows for quick attachment and detachment without requiring tool removal, as the components can be easily rotated into and out of engagement.
Solution Approach 2:
The connection mechanism transitions from a static screw fastening to a dynamic rotary connection. The rotary body can be rotated to engage or disengage from the connection area, providing a quick-change capability while maintaining secure attachment during operation through the torque generated during machining.
2Reliability
If screw connections are used to attach machining elements to the belt, then the attachment is secure, but tools are required for release making the process complex
Solution Approach 1:
The rotary body is arranged relative to the main body such that the machining process itself generates the torque needed to maintain the connection. The resulting force during machining automatically provides the torque for rotation in the first direction, making the system self-sustaining without requiring external tools or additional securing mechanisms.
3Ease of operation
If a rotary connection mechanism is used, then replacement is quick and easy, but the connection must be rotationally fixed during machining
Solution Approach 1:
The system changes the state of the rotary body between two distinct configurations: a disconnected state during replacement and a connected state during machining. The torque parameter changes from zero during replacement to a non-zero value during machining, automatically locking the connection in place without requiring additional rotational fixation mechanisms.
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
Enables rapid and secure replacement of machining elements with a rotationally fixed attachment to the belt, maintaining a constant torque during machining to prevent disconnection, facilitating efficient machining processes.
Implementation Method 1
the rotary body is arranged relative to the main body and connected to the latter in such a manner that during machining of the workpiece a resulting force is exerted on the rotary body via the main body, which provides a torque for a rotation of the rotary body in the first rotary direction
Implementation Method 2
a resulting force is exerted on the rotary body via the main body, which provides a torque for a rotation of the rotary body in the first rotary direction
Data Source
AI summary
An apparatus (10) for machining a workpiece (12) comprises at least two machining elements (14a, 14b) and a rotating belt (16) for moving the machining elements (14a, 14b) relative to a workpiece (12) to be machined. The machining elements (14a, 14b) each comprise a main body (20a, 20b) and a first connecting element (22a, 22b) connected to the main body (20a, 20b), which first connecting element is connectable to a second connecting element (24a, 24b) complementary to the first connecting element (22a, 22b) and connected to the belt (16). The first connecting element (22a, 22b) comprises a rotary body (26a, 26b). The second connecting element (24a, 24b) has a connection area (28a, 28b) for connection with the rotary body (26a, 26b). When the rotary body (26a, 26b) is rotated in a first rotary direction (R1) the rotary body (26a, 26b) is connected to the connection area (28a, 28b). When the rotary body (26a, 26b) is rotated in a second rotary direction (R2) opposed to the first rotary direction (R1) the rotary body (26a, 26b) is separated from the connection area (28a, 28b). The rotary body (26a, 26b) is arranged relative to the main body (20a, 20b) and connected to the latter in such a manner that during machining of the workpiece (12) a resulting force is exerted on the rotary body (26a, 26b) via the main body (20a, 20b), which force provides a torque for a rotation of the rotary body (26a, 26b) in the first rotary direction (R1).