Tool for cleaning the rollers of container- or can-closing machines

Abstract

The invention relates to a tool for cleaning rollers (2a, 2b) of machines for closing container or cans, which comprises a head (1) which is couplable to a motor and on which are mounted: rotary drive discs (14) of the rollers (2a, 2b) to be cleaned and which comprise at least one element for making contact with the rollers, to transmit traction to same; at least one actuator disc (15, 16) that has a different rotation direction and/or rotation speed to the drive discs (14), and which is provided with at least one element for cleaning the rollers (2a, 2b); and a transmission (50) disposed between the motor and the discs (14, 15, 16).

1 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines; characterised in that it includes a head ( 1 ) that can be coupled to a motor and on which the following are mounted:
 tractor discs ( 14 ) which rotate the rollers ( 2   a ,  2   b ) to be cleaned, and which comprise at least one element in contact with these rollers to transmit traction to them,—at least one actuating disc ( 15 ,  16 ) which rotates in a different direction and/or at a different speed from the tractor discs ( 14 ), and has at least one element for cleaning the rollers ( 2   a ,  2   b ), and   a transmission ( 50 ) arranged between the motor and the discs ( 14 ,  15 ,  16 ).   
     
     
         2 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 1  characterised in that the contact element with the rollers ( 2   a ,  2   b ) provided in the tractor discs ( 14 ) includes a rubber or perimetral rubber track provided in each tractor disc ( 14 ). 
     
     
         3 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 2  characterised in that each tractor disc ( 14 ) is materialised in rubber. 
     
     
         4 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 1  characterised in that the head ( 1 ) comprises at least one work station ( 60 ,  61 ), each of them equipped with two tractor discs ( 14 ) and an actuating disc ( 15 ,  16 ) which are at an angle between 30 and 180 degrees. 
     
     
         5 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 4  characterised in that the actuating disc ( 15 ,  16 ) of each station ( 60 ,  61 ) is located between the two tractor discs ( 14 ). 
     
     
         6 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 5  characterised in that the head ( 1 ) comprises two work stations ( 60 ,  61 ), with an intermediate common tractor disk ( 14 ) being shared by both stations ( 60 ,  61 ). 
     
     
         7 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 6  characterised in that it has a first station ( 60 ) where the actuating discs include a felt sandpaper disc ( 15 ). 
     
     
         8 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 6  characterised in that it includes a second station ( 61 ) where the actuating discs include a disc of flexible strands ( 16 ). 
     
     
         9 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 1  characterised in that the transmission ( 50 ) comprises first pulleys ( 14   a ) which are joint and coaxial to the tractor discs ( 14 ), second pulleys ( 15   a ,  16   a ) which are joint and coaxial to the actuating discs ( 15 ,  16 ) and a third pulley ( 11   a ) driven by the motor shaft ( 11 ); including a mechanical coupling between these pulleys ( 11   a ,  14   a ,  15   a ,  16   a ). 
     
     
         10 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 9  characterised in that the mechanical coupling comprises a toothed belt ( 70 ) on both sides, while the pulleys ( 11   a ,  14   a ,  15   a ,  16   a ) are coplanar and comprise teeth for crimping the teeth of this belt ( 70 ). 
     
     
         11 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 10  characterised in that the transmission ( 50 ) also includes some deflection pulleys ( 13 ) which are coplanar with the first pulleys ( 14   a ), second pulleys ( 15   a ,  16   a ) and the third pulley ( 11   a ) with the timing belt ( 70 ) running in the same direction through the first pulleys ( 14   a ) of the tractor discs ( 14 ) and in the opposite direction the second pulleys ( 15   a ,  16   a ) of the actuating discs ( 15 ,  16 ) so that the tractive discs ( 14 ) all rotate in the same direction and the actuating discs ( 15 ,  16 ) rotate in the opposite direction. 
     
     
         12 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 10  characterised in that the shafts ( 17 ,  18 ) of the actuating discs ( 15 ,  16 ) are mounted on supports ( 17   a ,  18   a ) guided by guides ( 20 ); these supports ( 17   a ,  18   a ) include pushers ( 30 ) that push the actuating discs ( 15 ,  16 ) against the rollers ( 2   a ,  2   b ). 
     
     
         13 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 1  characterised in that the discs ( 14 ,  15 ,  16 ) are mounted removably on the head ( 1 ). 
     
     
         14 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 1 , characterised in that the head ( 1 ) comprises fixing pins ( 40 ) which can be detached from the motor, which is provided with a handling housing ( 31 ) with a handle ( 32 ). 
     
     
         15 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 1 , characterised in that the motor comprises an adjustable speed motor. 
     
     
         16 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 1  characterised in that the head ( 1 ) is supported on an upright ( 100 ) provided with a slide ( 101 ) directed in an interior-exterior direction with respect to the rollers carousel ( 110 ) ( 2   a ,  2   b ); this slide ( 101 ) comprising a moving half ( 101   a ) associated with the head ( 1 ) and a fixed half ( 101   b ) provided with means of attachment to a fixed element ( 400 ) with respect to the carousel ( 110 ) of rollers ( 2   a ,  2   b ); and comprising means of driving the movement of the slide ( 101 ) to produce the approximation and separation of the head ( 1 ) towards the carousel ( 110 ) of rollers ( 2   a ,  2   b ) so that the tractor discs ( 14 ) and actuating discs ( 15 ,  16 ) come into contact with the rollers ( 2   a ,  2   b ) when approaching and release them when separating. 
     
     
         17 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 16  characterised in that the motor ( 300 ) is fixed to the head ( 1 ). 
     
     
         18 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 16  characterised in that the upright ( 100 ) comprises a first sector ( 100   a ) attached to the head ( 1 ), a second sector ( 100   b ) attached to the moving half ( 101   a ) of the slide ( 100 ), and a vertical axis joint ( 100   c ) that joins both sectors ( 100   a ,  100   b ). 
     
     
         19 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 16  characterised in that the fixed half ( 101   b ) of the slide ( 101 ) includes a connection to an arm ( 102 ) provided with an external end ( 102   a ) with a ring ( 103 ) which is vertical to the fixed element ( 400 ) with respect to the carousel ( 110 ). 
     
     
         20 . Tool for cleaning the rollers ( 2   a ,  2   b ) of container- or can-closing machines, according to  claim 16  characterised in that the means of actuation of the movement of the slide ( 101 ) comprise at least one pneumatic or hydraulic cylinder ( 111 ).