Apparatus for manufacturing of multi-element rods of tobacco industry

Abstract

An apparatus for manufacturing of multi-element rods of the tobacco industry comprising a feeding apparatus designed to feed rod-like elements, a transferring apparatus designed to transfer the rod-like elements or groups of the rod-like elements from the apparatus feeding the rod-like elements to the forming apparatus, comprising rotational elements provided with lugs and notches between the lugs, used to convey the rod-like elements, whereas the notches are adapted to receive and convey the individual rod-like elements or the groups of the rod-like elements, whereas the rotational elements are arranged and adapted to guide the rod-like elements successively through the rotational elements, the apparatus further comprises a forming apparatus, and a cutting apparatus.

1 . An apparatus for manufacturing of multi-element rods of the tobacco industry comprising
 a feeding apparatus ( 5 ) designed to feed rod-like elements (S 1 , S 3 , S 4 ),   a transferring apparatus ( 3 ,  3 A) designed to transfer the rod-like elements (S 1 , S 3 , S 4 ) or groups (G) of the rod-like elements (S 1 , S 3 , S 4 ) from the apparatus ( 5 ) feeding the rod-like elements (S 1 , S 3 , S 4 ) to a forming apparatus ( 11 ), comprising
 a first rotational element ( 6 ,  6 ′) provided with first lugs ( 16 ,  16 ′) immobile relative to the first rotational element ( 6 ,  6 ′) and notches ( 26 ,  26 ′) between the first lugs ( 16 ,  16 ′), 
 a second rotational element ( 7 ,  7 ′) provided with second lugs ( 17 ,  17 ′) immobile relative to the second rotational element ( 7 ,  7 ′) and notches ( 27 ,  27 ′) between the second lugs ( 17 ,  17 ′), 
 a third rotational element ( 8 ,  8 ′) provided with third lugs ( 18 ,  18 ′) immobile relative to the third rotational element ( 8 ,  8 ′) and notches ( 28 ,  28 ′) between the third lugs ( 18 ,  18 ′), 
   used to convey the rod-like elements (S 1 , S 3 , S 4 ), whereas the notches ( 26 ,  26 ′,  27 ,  27 ′,  28 ,  28 ′) are adapted to receive and convey the individual rod-like elements (S 1 , S 3 , S 4 ) or the groups (G) of the rod-like elements (S 1 , S 3 , S 4 ), whereas   the first rotational element ( 6 ,  6 ′), the second rotational element ( 7 ,  7 ′) and the third rotational element ( 8 ,  8 ′) are arranged and adapted to guide the rod-like elements (S 1 , S 3 , S 4 ) successively through the first rotational element ( 6 ,  6 ′), the second rotational element ( 7 ,  7 ′) and the third rotational element ( 8 ,  8 ′),   
       the apparatus comprises the forming apparatus ( 11 ) designed to form a continuous multi-element rod (CR), a cutting apparatus ( 13 ) designed to cut the continuous multi-element rod (CR) into individual multi-element rods (R), 
       characterised in that 
       the bottom surfaces ( 36 ,  36 ′) of the notches ( 26 ,  26 ′) on the first rotational element ( 6 ,  6 ′) and the bottom surfaces ( 38 ,  38 ′) of the notches ( 28 ,  28 ′) on the third rotational element ( 8 ,  8 ′) are situated so that the diameter (D 3 ) of a circle having the centre on the axis of rotation (Z) of the third rotational element ( 8 ,  8 ′), inscribed in the bottom surfaces ( 38 ,  38 ′) of the notches ( 28 ,  28 ′) on the third rotational element ( 8 ,  8 ′) is smaller than the diameter (D 1 ) of a circle having the centre on the axis of rotation (X) of the first rotational element ( 6 ,  6 ′), inscribed in the bottom surfaces ( 36 ,  36 ′) of the notches ( 26 ,  26 ′) on the first rotational element ( 6 ,  6 ′). 
     
     
         2 . The apparatus as in  claim 1  characterised in that the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′) and the bottom surfaces ( 38 ,  38 ′) of the notches ( 28 ,  28 ′) on the third rotational element ( 8 ,  8 ′) are situated so that the diameter (D 3 ) of a circle having the centre on the axis of rotation (Z) of the third rotational element ( 8 ,  8 ′), inscribed in the bottom surfaces ( 38 ,  38 ′) of the notches ( 28 ,  28 ′) on the third rotational element ( 8 ,  8 ′) is smaller than the diameter (D 2 ) of a circle having the centre on the axis of rotation (Y) of the second rotational element ( 7 ,  7 ′), inscribed in the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′). 
     
     
         3 . The apparatus as in  claim 2  characterised in that the bottom surfaces ( 36 ,  36 ′) of the notches ( 26 ,  26 ′) on the first rotational element ( 6 ,  6 ′) and the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′) are situated so that the diameter (D 2 ) of a circle having the centre on the axis of rotation (Y) of the second rotational element ( 7 ,  7 ′), inscribed in the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′) is smaller than the diameter (D 1 ) of a circle having the centre on the axis of rotation (X) of the first rotational element ( 6 ,  6 ′), inscribed in the bottom surfaces ( 36 ,  36 ′) of the notches ( 26 ,  26 ′) on the first rotational element ( 6 ,  6 ′). 
     
     
         4 . The apparatus as in  claim 1  characterised in that the third lugs ( 18 ,  18 ′) have a thickness (e 3 ) smaller than the thickness (e 1 ) of the first lugs ( 16 ,  16 ′). 
     
     
         5 . The apparatus as in  claim 1  characterised in that the third lugs ( 18 ,  18 ′) have a thickness (e 3 ) smaller than the thickness (e 2 ) of the second lugs ( 17 ,  17 ′). 
     
     
         6 . The apparatus as in  claim 1  characterised in that the second lugs ( 17 ,  17 ′) have a thickness (e 2 ) smaller than the thickness (e 1 ) of the first lugs ( 16 ,  16 ′). 
     
     
         7 . The apparatus as in  claim 4  characterised in that the thickness (e 3 ) of the third lugs ( 18 ,  18 ′) constitutes less than two thirds of the thickness (e 1 ) of the first lugs ( 16 ,  16 ′). 
     
     
         8 . The apparatus as in  claim 2  characterised in that bottom surface ( 36 ,  36 ′) of the notch ( 26 ,  26 ′) on the first rotational element ( 6 ,  6 ′), the bottom surface ( 37 ,  37 ′) of the notch ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′) and the bottom surface ( 38 ,  38 ′) of the notch ( 28 ,  28 ′) on the third rotational element ( 8 ,  8 ′) each has at least one flat area. 
     
     
         9 . An apparatus for manufacturing of multi-element rods of the tobacco industry comprising
 a feeding apparatus ( 5 ) designed to feed rod-like elements (S 1 , S 3 , S 4 ),   a transferring apparatus ( 3 ′,  3 A′) designed to transfer the rod-like elements (S 1 , S 3 , S 4 ) or groups (G) of the rod-like elements (S 1 , S 3 , S 4 ) from the apparatus ( 5 ) feeding the rod-like elements (S 1 , S 3 , S 4 ) to a forming apparatus ( 11 ), comprising
 a first rotational element ( 6 ,  6 ′) provided with first lugs ( 16 ,  16 ′) immobile relative to the first rotational element ( 6 ,  6 ′) and notches ( 26 ,  26 ′) between the first lugs ( 16 ,  16 ′), 
 a second rotational element ( 7 ,  7 ′) provided with second lugs ( 17 ,  17 ′) immobile relative to the second rotational element ( 7 ,  7 ′) and notches ( 27 ,  27 ′) between the second lugs ( 17 ,  17 ′), 
 a third rotational element ( 9 ) without lugs, 
   used to convey the rod-like elements (S 1 , S 3 , S 4 ), whereas the notches ( 26 ,  26 ′) between the lugs ( 16 ,  16 ′) on the first rotational element ( 6 ,  6 ′) and the notches ( 27 ,  27 ′) between the lugs ( 17 ,  17 ′) on the second rotational element ( 7 ,  7 ′) as well as the circumferential surface ( 19 ) of the third rotational element ( 9 ) are adapted to receive and convey the individual rod-like elements (S 1 , S 3 , S 4 ) or the groups (G) of the rod-like elements (S 1 , S 3 , S 4 ), whereas   the first rotational element ( 6 ,  6 ′), the second rotational element ( 7 ,  7 ′) and the third rotational element ( 9 ) are arranged and adapted to guide the rod-like elements (S 1 , S 3 , S 4 ) successively through the first rotational element ( 6 ,  6 ′), the second rotational element ( 7 ,  7 ′) and the third rotational element ( 9 ),   
       the apparatus comprises the forming apparatus ( 11 ) designed to form a continuous multi-element rod (CR), a cutting apparatus ( 13 ) designed to cut the continuous multi-element rod (CR) into individual multi-element rods (R), 
       characterised in that 
       the bottom surfaces ( 36 ,  36 ′) of the notches ( 26 ,  26 ′) on the first rotational element ( 6 ,  6 ′) and the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′) are situated so that the diameter (D 2 ) of a circle having the centre on the axis of rotation (Y) of the second rotational element ( 7 ,  7 ′), inscribed in the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′) is smaller than the diameter (D 1 ) of a circle having the centre on the axis of rotation (X) of the first rotational element ( 6 ,  6 ′), inscribed in the bottom surfaces ( 36 ,  36 ′) of the notches ( 26 ,  26 ′) on the first rotational element ( 6 ,  6 ′). 
     
     
         10 . The apparatus as in  claim 9  characterised in that the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) are situated on the second rotational element ( 7 ,  7 ′) so that the diameter (D 4 ) of the circumferential surface ( 19 ) of the third rotational element ( 9 ) is smaller than the diameter (D 2 ) of a circle having the centre on the axis of rotation (Y) of the second rotational element ( 7 ,  7 ′), inscribed in the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′). 
     
     
         11 . The apparatus as in  claim 9  characterised in that the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) are situated on the second rotational element ( 7 ,  7 ′) so that the diameter (D 4 ) of the circumferential surface ( 19 ) of the third rotational element ( 9 ) is equal to the diameter (D 2 ) of a circle having the centre on the axis of rotation (Y) of the second rotational element ( 7 ,  7 ′), inscribed in the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′). 
     
     
         12 . The apparatus as in  claim 9  characterised in that the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) are situated on the second rotational element ( 7 ,  7 ′) so that the diameter (D 4 ) of the circumferential surface ( 19 ) of the third rotational element ( 9 ) is greater than the diameter (D 2 ) of a circle having the centre on the axis of rotation (Y) of the second rotational element ( 7 ,  7 ′), inscribed in the bottom surfaces ( 37 ,  37 ′) of the notches ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′). 
     
     
         13 . The apparatus as in  claim 9  characterised in that the second lugs ( 17 ,  17 ′) have a thickness (e 2 ) smaller than the thickness (e 1 ) of the first lugs ( 16 ,  16 ′). 
     
     
         14 . The apparatus as in  claim 13  characterised in that the thickness (e 2 ) of the second lugs ( 17 ,  17 ′) constitutes less than two thirds of the thickness (e 1 ) of the first lugs ( 16 ,  16 ′). 
     
     
         15 . The apparatus as in  claim 9  characterised in that the bottom surface ( 36 ,  36 ′) of the notch ( 26 ,  26 ′) on the first rotational element ( 6 ,  6 ′) and the bottom surface ( 37 ,  37 ′) of the notch ( 27 ,  27 ′) on the second rotational element ( 7 ,  7 ′) each has at least one flat area.