Belt-Transmission Angle Head for Deep Cavity Machining
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Solution Overview
Problem
Existing machine tool spindles are bulky and require manual angle adjustment, making them unsuitable for deep cavity machining in narrow spaces.
Innovation Solution
A belt-transmission angle attachment head with a servo motor and reducer arranged vertically, a driving wheel and driven wheel connected by a transmission belt, and a spindle mounted on a rotating shaft, allowing the spindle to swing and measure angles for precise machining.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the machine tool spindle is mounted at a fixed angle or manually adjusted, then the structure is stable, but the volume becomes bulky and it is unsuitable for deep cavity machining
Solution Approach 1:
The patent applies dynamics by transforming the fixed or manually-adjustable spindle mounting into a dynamically adjustable system. The servo motor drives the spindle to swing between 0° and 90° angles through a transmission mechanism, enabling automatic adaptation to different machining requirements without manual intervention, thus resolving the contradiction between adaptability and volume.
Solution Approach 2:
The patent resolves the volume issue by changing the spatial arrangement from traditional horizontal mounting to a vertical-dimension-oriented configuration. The servo motor is mounted vertically above the spindle, with the transmission mechanism arranged in the vertical dimension, allowing the spindle to swing in a vertical plane and penetrate deep cavities without requiring large horizontal space.
2Volume of moving object
If the servo motor and spindle are arranged in a traditional horizontal configuration, then the structure is simple, but the volume is large and cannot penetrate narrow spaces
Solution Approach 1:
The patent moves the transmission mechanism from the horizontal plane to the vertical dimension. The driving wheel is positioned vertically above the driven wheel, with the transmission belt connecting them in the vertical direction. This dimensional change reduces the horizontal footprint while accommodating the necessary transmission components.
Solution Approach 2:
The patent applies nesting by integrating the transmission mechanism within the housing structure. The driving wheel, driven wheel, and transmission belt are nested within the housing, with the servo motor positioned above and connected through the vertical transmission path, creating a compact nested arrangement that reduces overall volume.
3Measurement precision
If the transmission mechanism is arranged horizontally, then the assembly is convenient, but the positioning accuracy for angle measurement is insufficient
Solution Approach 1:
The patent replaces traditional mechanical angle measurement mechanisms with an optical or electromagnetic sensing system. The angle measurement system uses a sensor to detect the spindle's angular position, providing high-precision measurement without complex mechanical linkages, thus maintaining assembly convenience while improving measurement precision.
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
Reduces volume and enables easy penetration into narrow spaces, facilitating deep cavity machining with a simple structure, convenient assembly, and high positioning accuracy.
Implementation Method 1
the driving wheel and the driven wheel are connected via the transmission belt
Implementation Method 2
the power mechanism includes a servo motor and a reducer, the servo motor is connected to the reducer
Data Source
AI summary
The present invention discloses a belt-transmission angle attachment head, including a housing, a power mechanism, a transmission mechanism and a spindle; the power mechanism and transmission mechanism are arranged in the housing; the power mechanism includes a servo motor and a reducer, the servo motor is connected to the reducer, and an input shaft of the reducer is vertically arranged with respect to an output shaft of the reducer; the transmission mechanism includes a driving wheel, a transmission belt and a driven wheel, and the driving wheel is mounted on the output shaft of the reducer; a side of the spindle is mounted on the housing via a rotating shaft, an end of the rotating shaft away from the spindle is mounted with the driven wheel, the driving wheel and the driven wheel are connected via the transmission belt, and the spindle and the power mechanism are located on the same side of the transmission mechanism. The angle attachment head has advantages such as small size, simple structure and suitable for deep cavity machining.