Rotary Woodworking Tool Head With Remote Drive Transmission
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Solution Overview
Problem
Existing woodworking devices face inefficiencies in tool alignment and movement due to the arrangement of spindle engines, which restricts movement options, increases space and effort requirements, and complicates tool changes, leading to reduced productive processing time.
Innovation Solution
A woodworking device design featuring a drive transmission system with a wave section and interlocking bowling wheels, allowing the tool head to rotate independently without a direct drive engine, enabling precise alignment and movement within a minimal space, and eliminating the need for complex cable guides and large workspaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a spindle engine with alternating feed is arranged on a carrier with vertical rotating axles to enable tool alignment and movement in X, Y, Z directions, then the tool can be positioned and oriented precisely, but the movement options are restricted by electrical cables and the space and effort requirements for rotary alignment become undesirable
Solution Approach 1:
The patent extracts the drive engine from the rotating tool head and relocates it to the stationary connection device. This separation eliminates the need for electrical cables to rotate with the tool head, removing the constraint on rotational movement while maintaining precise positioning capability through the guide device and wave section transmission mechanism
Solution Approach 2:
The patent introduces a wave section as an intermediary mechanical transmission element between the stationary drive engine and the rotating tool head. This wave section enables rotational movement and tool alignment without requiring electrical cables to follow the rotation, thus resolving the contradiction between precise positioning and cable constraint
2Measurement precision
If a spindle engine with alternating feed is arranged on a carrier to enable tool alignment and movement, then the tool can be positioned and oriented precisely, but the area required for processing becomes very large
Solution Approach 1:
The patent segments the positioning function from the drive function. The guide device provides precise positioning in X, Y, Z directions through segmented linear guides, while the wave section handles rotational alignment separately. This segmentation allows compact arrangement of components, reducing the overall processing area while maintaining precise tool alignment capability
Solution Approach 2:
The patent uses the wave section to transfer rotational movement from a stationary drive engine to a rotating tool head through a different dimensional approach. Instead of moving the entire spindle engine in multiple dimensions, the wave section enables rotational alignment in one dimension while the guide device handles linear positioning in three dimensions, optimizing space utilization
3Productivity
If the spindle engine is arranged to enable fast rotary alignment of tools, then tool changes can be performed quickly, but the effort and space requirement for rotary alignment of the spindle engine are undesirable
Solution Approach 1:
The patent extracts the heavy drive engine from the rotating tool head and places it in the stationary connection device. Only the lightweight tool head and wave section need to rotate for tool alignment, dramatically reducing the rotating mass and inertial forces while maintaining fast tool change capability through the efficient wave section transmission mechanism
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
This design enhances mobility and precision, reduces inertial forces, and allows for a compact, low-maintenance tool head with multiple tools ready for use, improving processing efficiency and reducing the need for automatic tool changers.
Implementation Method 1
the drive transmission during the first and second rotation device includes a first or second wave section located on the first or second rotary axis
Implementation Method 2
the area of the second wave section faced with the tool head of the second wave section, preferably with two interlocking bowling wheels
Data Source
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AI summary
The woodworking device (1) comprises at least one unit (2) and a guide device, wherein a unit (2) comprises a connecting device (5) to the guide device, a tool head (8) with at least one interchangeable chuck (12) for tools (11) or tool holders, a drive device for driving the at least one interchangeable chuck (12), and between the connecting device (5) and the tool head (8) a first rotary device (14, 21) at the connecting device (5) and a second rotary device (14, 21) at the tool head (8) for rotary movements about a first and a second axis of rotation (14', 21'), respectively. The drive device comprises a drive motor (26) arranged on the connecting device (5) and a drive transmission from the drive motor (23) to the at least one interchangeable chuck (12) of the tool head (8), wherein the drive transmission at the first and the second rotary device (14, 21) each has a drive on the first and second axis of rotation (14, 21), respectively.The second axis of rotation (14', 21') comprises the first and second shaft sections (27, 28) arranged centrally and at the end of the second shaft section (28) facing away from the tool head (8) a gear unit with gears, preferably with two meshing bevel gears (29a, 29b).