Rigid-flexible coupling analysis and experimental study on paper strip splicing for automatic coil changing mechanism
Inadequate design of die patterns and splicing force in cigarette paper splicing can lead to problems such as loose splices,misalignment,and penetration.Based on the principle of paper strip splicing of the automatic coil changing mechanism,a rigid-flexible coupling model of automatic coil changing mechanism was established.Numerical simulation and experimental testing methods were used to study the effects of roll materials,splicing force,and die patterns on the splicing effect of paper strips.The research results show that the numerical solutions for splicing forces of 4 roll materials(rubber,nylon,aluminum,and steel)are 177.1,3.50×104,1.29×106,4.45×106 MPa respectively,and the simulation results are consistent with theoretical values.Paper strip splicing tests with different die patterns were designed,and the calculated fracture stress of the paper strip after diamond pattern die splicing is 1.040 MPa,with an elastic modulus of 17.816 MPa.After rectangular pattern splicing,the fracture stress of the paper strip is 1.802 MPa,with an elastic modulus of 28.001 MPa.The quality of diamond pattern splicing is superior to rectangular pattern splicing.The research can provide technical support for the design of roll materials and die patterns and the evaluation of splicing effects of paper strip in automatic coil changing systems.
automatic coil changing mechanismpaper tape splicingroll-type materialdie texturerigid-flexible coupling model
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