一种能够加工薄壁壳体内壁的杠杆摆动式辅助装置
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摘要
针对普式车床不能高质量加工薄壁壳体类零部件的问题,通过改造刀架使其刀体做低速圆周运动,设计了一种能够加工薄壁壳体内壁的杠杆摆动式辅助装置。采用二力杆原理,设计了杠杆摆动式辅助装置的螺纹副伸缩机构、刀体回转机构组成和微调部件,提高了杠杆摆动式辅助装置加工能力和自适应能力;采用Pro/E对杠杆摆动式辅助装置进行了校验,对刀体在切削力作用下的变形不会对壳体加工质量产生主要影响,以及杠杆摆动式辅助装置各部件均不存在与壳体不发生干涉的现象进行了分析。研究结果表明:通过杠杆摆动式辅助装置,改进了普式机床在薄壁壳体加工领域的局限性,提高了车床的利用率。
Aiming at the problem that thin-walled shell parts with high quality could not be processed by general lathe, by modifying the tool holder to make the tool body move at low speed, a lever swing auxiliary device which could process the inner wall of thin-walled shell was designed. A screw retract mechanism, a cutter body slewing mechanism and a fine-tuning components were designed, the principle of two-force bar was used to improve the machining ability and adaptive ability of lever swing auxiliary device. It was checked and analyzed that the deformation of the tool body of lever swinging auxiliary device under cutting force could not have a major impact on the processing quality of the shell by computer aided design software Pro/E, and there was no interference between the parts of lever swinging auxiliary device and the shell. The results indicate that the limitation of the general lathe in the field of thin-walled shell processing is improved, the utilization rate of the lathe is increased.
Aiming at the problem that thin-walled shell parts with high quality could not be processed by general lathe, by modifying the tool holder to make the tool body move at low speed, a lever swing auxiliary device which could process the inner wall of thin-walled shell was designed. A screw retract mechanism, a cutter body slewing mechanism and a fine-tuning components were designed, the principle of two-force bar was used to improve the machining ability and adaptive ability of lever swing auxiliary device. It was checked and analyzed that the deformation of the tool body of lever swinging auxiliary device under cutting force could not have a major impact on the processing quality of the shell by computer aided design software Pro/E, and there was no interference between the parts of lever swinging auxiliary device and the shell. The results indicate that the limitation of the general lathe in the field of thin-walled shell processing is improved, the utilization rate of the lathe is increased.
引文
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[3] WAN X Q,YAN H S,WANG Z H.Scheduling and selfreconfiguration of an aircraft engine assembly line in knowledgeable manufacturing[J].Acta Automatica Sinica,2015,41(1) :136-146.
[4] 王海涛,李初晔.基于拓扑优化的大推力测量工装设计及应用[J].制造技术与机床,2014(10):30-33.
[5] HESHRAGHI H,BOROOMAND M,TOUSI A M.The effect of variable stator on performance of a highly loaded tandem axial flow compressor stage[J].Journal of Thermal Science,2016,25(3):223-230.
[6] 王海涛,李初晔.有限元法在工装优化设计中的应用[J].金属加工:冷加工,2010(18):53-55.
[7] 张丰收,杨星星,刘建亭,等.摆线针轮传动偏心距及承载能力的优化分析[J].机械设计与制造,2017(1):21-23.
[8] GAO K Z,SUGANTHAN P N,PAN Q K,et al.Paretobased grouping discrete harmony search algorithm for multi-objective flexible job shop scheduling[J].Information Sciences,2014,289(1):76-90.
[9] 王仲楠,王武义,张广玉.低频往复摆动式模拟平台摩擦特性及实验研究[J].哈尔滨工程大学学报,2016(4):614-618.
[10] LIU L Q,ZHANG X L,XIE L M,et al.Hybrid paretobased particle swarm optimization for muhi-objective flexible job shop scheduling problem[J].Journal of North University of China,2013,34(2):121-128.
[11] 张新明,邓运来,张勇.高强铝合金的发展及其材料的制备加工技术[J].金属学报,2015(3):257-271.
[12] 夏禹,吴朋.多加工路径柔性作业调度方法术[J].仪器仪表学报,2016(6):1433-1440.
[13] TURKYIIMAZ A,BULKAN S.A hybrid algorithm for total tardiness minimisation in flexible job shop:genetic algorithm with parallel VNS execution[J].International Journal of Production Research,2015,53(6):1832-1848.
[14] GAO K Z,SUGANTHAN P N,PAN Q K,et al.Discrete harmony search algorithm for flexible job shop scheduling problem with multiple objectives[J].Journal of Intelligent Manufacturing,2014,27(2):1-12.
[15] MORADI E,GHOMI S M T F,ZANDIEH M.Biobjective optimization research on integrated fixed time interval preventive maintenance and production for scheduling flexible job-shop problem[J].Expert Systems with Applications,2011,38(6):7169-7178.
[16] 杨帅.一种新型油气悬挂系统关键工装的设计[J].机床与液压,2018,46(20):40-43.
[17] 袁玉成,杨胜强,李文辉.振动光饰机磨粒螺旋运动机理分析及实验验证[J].机械设计与制造,2014(9):260-263.