Adjustable Drive Mechanism for Comber Detaching Rollers
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Solution Overview
Problem
Conventional combing machines face challenges in achieving uniformity of fiber bundles during the soldering process, leading to irregularities in yarn quality due to the folding of fiber tips, which affects the processing of fibers with varying masses.
Innovation Solution
A drive device for detaching rollers with an adjustable transmission ratio between continuous rotary and back-and-forth movements, allowing for variable adjustment of the soldering gap without folding fiber tips, ensuring optimal uniformity and yarn quality across different fiber masses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the transmission ratio between continuous rotary motion and back-and-forth motion is fixed, then the structure is simple, but the soldering gap cannot be adjusted for different fiber masses
Solution Approach 1:
The patent applies the dynamics principle by making the transmission ratio adjustable rather than fixed. The drive mechanism allows dynamic adjustment of the transmission ratio between the continuous rotary motion of the differential gear and the back-and-forth motion of the cam disc device, enabling the soldering gap to be adapted for different fiber masses while maintaining a relatively simple overall structure.
2Manufacturing precision
If fiber tips are folded to achieve uniformity, then tape uniformity improves, but yarn quality deteriorates
Solution Approach 1:
The patent applies the parameter changes principle by adjusting the transmission ratio parameter of the drive mechanism to control the soldering gap size. This allows achieving uniform fiber tape through proper timing and positioning of the soldering process, without resorting to folding fiber tips, thereby maintaining both tape uniformity and yarn quality.
3Adaptability or versatility
If the soldering gap is fixed, then the mechanism is simple, but it cannot accommodate varying fiber masses
Solution Approach 1:
The patent implements a dynamically adjustable transmission ratio in the drive mechanism, allowing the soldering gap to be modified according to different fiber masses. This provides operational flexibility while maintaining a relatively simple mechanical structure based on the differential gear and cam disc device.
Data Source
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AI summary
The present invention relates to a drive device for tear-off rollers (34) of a combing machine (4) with a housing (60a) enclosing a gearbox (51a), wherein the gearbox (51a) has a first drive train (62) with a first drive shaft (64) which transmits a continuous rotary motion to the tear-off rollers (34) via a ring gear (74) of a differential gear (66), and wherein the gearbox (51a) has a second drive train (68) with a tear-off roller auxiliary shaft (70) on which a tear-off roller cam disc device (72) is arranged for generating a back-and-forth motion, wherein the continuous rotary motion of the ring gear (74) together with the back-and-forth motion of the tear-off roller cam disc device (72) transmits a stepping motion to the tear-off rollers (34).According to the invention, an adjusting device (158) is provided for adjusting a transmission ratio between the continuous rotary motion and the forward and backward motion.