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The Design Of Multi-axis Driven Combers’ Nipper Mechanism And It’s Capability Analysis Of The Main Motion System

Posted on:2015-10-30Degree:MasterType:Thesis
Country:ChinaCandidate:W W XiaoFull Text:PDF
GTID:2271330485995009Subject:Mechanical engineering
Abstract/Summary:PDF Full Text Request
Comber presence improves the separation of fibers in a small volume, straightness and parallelism to improve the intrinsic quality of the combed sliver, thereby improving the yarn strength, evenness and improve the luster of the yarn and reduce after the process of the drafting process to produce neps, greatly improve the value of the products. However, nipper institutions are important structural components of the movement on the comber, comber nipper movement is the most important part of the work, a direct impact on the quality of grooming, so the nipper optimized design and the necessary counterweight program for Comber optimization of great significance.In this paper, the existing multi-axis drive combing machine for the study, analyze its structure and design of the state of motion under different noil scale, and while there is a problem for which the clamp plate is missing eccentric pressure mechanism. Such as:noil under different scale can not be guaranteed maximum opening size remained unchanged; each noil gauge the scale of change in the maximum opening angle is too large, making the design and this corresponds to the forward and backward to cotton ratchet pawl ratchet mechanism the same center of rotation is difficult; same time, because no eccentric pressing mechanism, making opening and nipper time after occlusion pressure spring compression changed greatly, nipper bite force poor uniformity of combing also had an impact. In view of the above problems, this article will be added nipper eccentric pressure mechanism to achieve optimal performance nipper purpose. Agency to consider balancing exercise in this process to ensure smooth multi-axis drive comber movement.In this paper, MATLAB software, the optimization model, above the lower nipper "stereo angle" as the objective function, more pressing nipper eccentric mechanism design parameters for the optimization variables, according to the design requirements of the nipper body gives the corresponding constraints, the use of fmincon function to obtain the optimal solution. And the optimal solution based on the use of solidworks software for modeling, verification optimization is reasonable, given the design of the relative merits of this article.
Keywords/Search Tags:Comber, nipper agency, program design, optimization design, three-dimensional simulation
PDF Full Text Request
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