Design And Research Of Cloth Wind-up In Loom

Cloth wind-up in loom are always equipped for winding the cloth into beams,in order that the operator will not be disturbed by unorderly cloth piles,and facilitation will be taken into post-processing such as the cloth inspection.The status of the wind-up process is mainly affected by the cloth tension.A extremely low tension will probably cause crease or irregular selvedge and a extremely high tension will probably injure the cloth.Based on cloth wind-up in loom,the methods of tension control and means of implementation will be explored in this paper.With the axial transmission cloth wind-up in loom as the research object,firstly the structure of ZAX-â…¢air-jet loom's cloth wind-up is introduced,and the principle and defects of the torque compensation mechanism is analyzed.Secondly,on this basis several improved schemes are proposed and through comparing of these schemes , the implementation scheme is determined.In this scheme,input shaft and output shaft are connected by friction clutch.To compensate the torque accurately,the spring force is enlarged by magnification adjustable two-stage lever and controlled by the cam.This method not only can meet the need of tension control during wind-up process,but also succeeds the advantages of the existing cloth wind-up,such as simple structure,low manufacture requirement,simple installation and easy maintenance.Furthermore,the friction clutch is designed according to the scheme,by which the input shaft is connected to the output shaft.Then the structure and adjusting method of the two-stage lever are researched.After this,the cam's design procedure is discussed,by which the spring force is controlled.At last,the tension control effect is verified with the analysis and calculation of the cloth wind-up. The cloth wind-up designed in this paper has been applied for national invention patent.