Manufacturing system

Abstract

Disclosed is a manufacturing system comprising a plurality of cell conveyers being supplied with a variety of pallets and products through an input section thereof, on which the products are firstly assembled; a main conveyer whereto the firstly assembled products are conveyed from said cell conveyers in a state that the firstly assembled products are loaded on the pallet, on which the products are finally assembled; and a return conveyer for returning the pallets to the input section of the cell conveyers after assembly process of the product is completed on the main conveyer. The pallets are supplied into the input section of the cell conveyers and then returned to the input section of the cell conveyers through the main conveyer and the return conveyer. The variety of products are firstly assembled on the cell conveyers respectively and then conveyed to the main conveyer to be finally assembled. The variety of products are output through an output section of the main conveyer. Thus, variety of products are manufactured simultaneously in one manufacturing system.

What is claimed is:  
     
         1 . A manufacturing system comprising, 
 a plurality of cell conveyers being supplied with a variety of pallets and products through an input section thereof, said conveyer on which said products are firstly assembled;    a main conveyer whereto said firstly assembled products are conveyed from said cell conveyers in a state that said firstly assembled products are loaded on said pallet, said main conveyer on which said products are finally assembled; and    a return conveyer for returning said pallets to the input section of said cell conveyers after assembly process of said product is completed on said main conveyer;    wherein said pallets are supplied into the input section of said cell conveyers and then returned to said input section of said cell conveyers through said main conveyer and said return conveyer, said variety of products are firstly assembled on said cell conveyers respectively and then conveyed to said main conveyer to be finally assembled, and said variety of products are outputted through an output section of said main conveyer.    
     
     
         2 . The manufacturing system as claimed in  claim 1  further comprising a plurality of pallet input devices disposed between an output section of said return conveyer and input section of said cell conveyers, said pallet input devices comprising: 
 a first unit conveyer elevatably installed at said output section of said return conveyer, said first unit conveyer for elevating the outputted pallet from said returning conveyer upwardly;  
 a second unit conveyer simultaneously elevated with said first unit conveyer, said second unit conveyer for receiving said pallet elevated by said first unit conveyer therefrom; and  
 a pallet supply conveyer elevatibly installed between a lower portion of said second unit conveyer and a front section of said cell conveyers, said pallet supply conveyer for supplying said pallet conveyed to said second unit conveyer to the input section of said cell conveyers.  
 
     
     
         3 . The manufacturing system as claimed in  claim 1  still further comprising a plurality of pallet carriers disposed between the output section of said cell conveyers and input section of said main conveyer, said pallet carriers comprising: 
 a third unit conveyer moving in an orthogonal direction with respect to a moving direction of said cell conveyers and elevatably installed at the output section of said cell conveyers, said third unit conveyer for elevating said pallet outputted therefrom; and  
 a fourth unit conveyer moving in a same direction with said third unit conveyer and elevatably installed at the input section of said main conveyer, said fourth unit conveyer for supplying said pallet to the input section of said main conveyer by receiving and de-elevating said pallet elevated by said third unit conveyer.  
 
     
     
         4 . The manufacturing system as claimed in  claim 2 , wherein each of said unit conveyers is elevated by an actuator installed at a lower portion thereof.  
     
     
         5 . The manufacturing system as claimed in  claim 3  further comprising a reversing apparatus installed at a rear section of said pallet carrier which conveys said pallet from one of said cell conveyers to said main conveyer, said reversing apparatus for arranging said product on said pallet conveyed along said main conveyer by reversing said pallet conveyed from one of said cell conveyers, said reversing apparatus comprising: 
 a reversing table whereon said pallet is positioned;  
 an actuator for elevating said reversing table over said main conveyer; and  
 a rotary actuator for reversing said reversing table elevated by said actuator by 180□ 
 
     
     
         6 . The manufacturing system as claimed in  claim 1 , further comprising a pallet returning conveyer installed between said main conveyer and said returning conveyer, said pallet returning conveyer selectively connected with a pallet output section of said main conveyer and an input section of said return conveyer by pivoting thereof so as to return said pallet outputted from said pallet output section of said main conveyer to an input section of said returning conveyer.