Integrated Motor Machining Assembly for Automatic Feed Motion
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Solution Overview
Problem
Existing machining assemblies for drilling into hard materials, such as concrete, often require separate housings for drive and feed motors, leading to increased weight, size, and complexity, as well as the need for electric cables in the feed module.
Innovation Solution
A machining assembly with a drive unit housing containing both drive and feed motors, eliminating the need for separate motor housings and reducing weight and size by integrating these components, and simplifying the feed module construction by removing the need for electric cables within it.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If separate housings are used for drive motor and feed motor, then each motor can be independently housed and maintained, but the overall weight, size, and device complexity increase
Solution Approach 1:
The patent combines the drive motor and feed motor into a single common housing, eliminating the need for separate motor housings. This merging reduces the overall weight and size of the machining assembly while still allowing independent operation and maintenance of each motor through separate access points and mounting arrangements within the shared housing structure.
2Ease of manufacture
If separate housings are used for drive motor and feed motor, then each motor has dedicated space, but the device complexity and size increase
Solution Approach 1:
The patent merges multiple motor housings into a single common housing structure that accommodates both the drive motor and feed motor. This reduces the number of separate components and assembly steps while providing dedicated mounting spaces and access points for each motor, thereby simplifying the overall device complexity.
3Extent of automation
If feed module contains electric cables and motor equipment, then automatic feed movement is enabled, but the feed module construction becomes more complex
Solution Approach 1:
The patent extracts the feed motor and associated electric cable equipment from the feed module and relocates them to the drive unit housing. This extraction eliminates the need for complex cable routing and electrical connections within the feed module, simplifying its construction while preserving the automatic feed movement capability through the relocated motor system.
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
The integrated motor housing design reduces the overall weight and size of the machining assembly, simplifies the feed module construction, and allows for automatic movement of the drive unit along the machine stand, enhancing operational efficiency.
Implementation Method 1
a first electric motor arranged in the drive unit housing; a spindle configured for connection to a machining tool, the spindle being rotatably mounted to the drive unit housing; a first transmission mechanism arranged in the drive unit housing for transmitting torque from the first electric motor to the spindle so as to allow the spindle to be rotated under the effect of the first electric motor
Implementation Method 2
a second electric motor arranged in the drive unit housing; a drive member rotatably mounted to the drive unit housing; and a second transmission mechanism arranged in the drive unit housing for transmitting torque from the second electric motor to the drive member so as to allow the drive member to be rotated under the effect of the second electric motor
Implementation Method 3
a feed gear wheel, which is rotatably mounted to the feed module housing and configured for engagement with a cog track arranged on the machine stand in parallel with said guide track in order to allow the feed module to move along the guide track by rotation of the feed gear wheel
Implementation Method 4
wherein the rotatable member is rotatably mounted to the feed module housing and configured to be connected to said drive member of the drive unit by a torque transmitting coupling mechanism when the drive unit is mounted to the feed module
Data Source
Figure 1a~1b
Figure 2~4
Figure 5~6
AI summary
A machining assembly with a drive unit (10) detachably mountable to the feed module (30) and moveable along a guide track on a machine stand via the feed module. The feed module is provided with a feed gear wheel (33) configured for engagement with a cog track on the machine stand. An electric drive motor (12) for rotating a spindle (13) and an electric feed motor (16) for rotating the feed gear wheel are arranged in a housing (1 1 ) of the drive unit. The drive unit comprises a drive member, which is rotatable by the feed motor and which is operatively connectable to the feed gear wheel via a torque transmitting coupling mechanism (50) when the drive unit is mounted to the feed module so as to allow the feed gear wheel to be rotated under the effect of the feed motor when the drive unit is mounted to the feed module.