Device for feeding bristle bundles for the production of bristle products, and bristle material production machine

Abstract

Improvements in the technical field of the production of bristle products are provided. To this end, a device ( 1 ) for feeding bristle bundles ( 2 ) for the production of bristle products is provided, with the device having an impact plate ( 4 ) with an aerodynamic shape.

1 . A device ( 1 ) for feeding bristle bundles ( 2 ) for the production of bristle products, the device ( 1 ) comprising: at least one perforated plate ( 3 ) with at least one perforated area ( 5 ) including receiving holes ( 6 ), into which the bristle bundles ( 2 ) are adapted to be transported by a flow generated by negative pressure; at least one impact plate ( 4 ) downstream of the perforated plate ( 3 ), said impact plate has at least one impact surface ( 7 ) as a stop for bristle bundles ( 2 ) that are adapted to be transported into the receiving holes ( 6 ) in the perforated plate ( 3 ); wherein the impact plate ( 4 ) has an aerodynamic shape; and a housing ( 16 ) with a receptacle ( 17 ) for the impact plate ( 4 ), the receptacle ( 17 ) having a streamlined inner contour with a form corresponding to the aerodynamic shape of the impact plate ( 4 ). 
     
     
         2 . The device ( 1 ) as claimed in  claim 1 , wherein the aerodynamic shape of the impact plate ( 4 ) comprises at least one of a streamlined portion ( 8 ) which is downstream of the at least one impact surface ( 7 ), [and/] or at least one impact surface ( 7 ) which is adapted to a shape of at least one of the perforated areas ( 5 ) of the perforated plate ( 3 ). 
     
     
         3 . The device ( 1 ) as claimed in  claim 1 , wherein at least one of the perforated plate ( 3 ) has at least two of the perforated areas ( 5 ) with receiving holes ( 6 ), or an impact surface ( 7 ) is assigned to each said perforated area ( 5 ), the impact plate ( 4 ) having a number of impact surfaces ( 7 ) that matches a number of perforated areas ( 5 ) of the perforated plate ( 3 ). 
     
     
         4 . The device ( 1 ) as claimed in  claim 1 , wherein the aerodynamic shape of the impact plate ( 4 ) comprises at least one streamlined portion ( 8 ) which is downstream of the at least one impact surface ( 7 ), and a respective one of the streamlined portions ( 8 ) being downstream of each said impact surface ( 7 ) of the impact plate ( 4 ). 
     
     
         5 . The device ( 1 ) as claimed in  claim 4 , wherein at least one of a) the streamlined portions ( 8 ) of the impact plate ( 4 ) have a geometry which tapers in a direction of flow, or b) the impact plate ( 4 ) has rounded transitions on surfaces that come into contact with flow. 
     
     
         6 . The device ( 1 ) as claimed in  claim 1 , wherein the aerodynamic shape of the impact plate ( 4 ) at least one of a) includes a rounded transition ( 9 ) between the at least one impact surface ( 7 ) and a streamlined portion ( 8 ) of the impact plate ( 4 ), or the aerodynamic shape of the impact plate ( 4 ) includes a constriction ( 10 ) between adjacent impact surfaces ( 7 ), or b) includes rounded contours between the impact surfaces ( 7 ) of the impact plate ( 4 ). 
     
     
         7 . The device ( 1 ) as claimed in  claim 1 , wherein the aerodynamic shape at least one of includes at least one streamlined portion ( 8 ) having a mirror-symmetrical longitudinal section or is rotationally symmetrical. 
     
     
         8 . The device ( 1 ) as claimed in  claim 1 , wherein the aerodynamic shape includes at least one streamlined portion ( 8 ) having a longitudinal section delimited by at least two or more arcuate lines ( 11 ), the two or more arcuate lines ( 11 ) being connected to one another on a side of the impact plate ( 4 ) facing away from the impact surface ( 7 ) or each of the two or more arcuate lines ( 11 ) extends around a center point which is arranged outside the impact plate ( 4 ). 
     
     
         9 . The device ( 1 ) as claimed in  claim 1 , wherein the aerodynamic shape includes at least one streamlined portion ( 8 ), and longitudinal section of the at least one streamlined portion ( 8 ) has a rounded end pointing away from the impact surface ( 7 ). 
     
     
         10 . The device ( 1 ) as claimed in  claim 1 , wherein the impact plate ( 4 ) includes at least one flow guiding structure ( 12 ). 
     
     
         11 . The device ( 1 ) as claimed in  claim 10 , wherein the impact plate ( 4 ) includes at least one flow channel ( 13 ) as the flow guiding structure ( 12 ), and the at least one flow channel ( 13 ) is at least one of formed on an outer side of a streamlined portion ( 8 ) or passes through the impact plate ( 4 ). 
     
     
         12 . The device ( 1 ) as claimed in  claim 1 , wherein the at least one impact surface ( 7 ) includes at least one inlet opening ( 14 ) into a flow channel ( 13 ) of the impact plate ( 4 ). 
     
     
         13 . The device ( 1 ) as claimed in  claim 1 , wherein at least one impact surface ( 7 ) is perforated by at least one flow opening. 
     
     
         14 . The device ( 1 ) as claimed in  claim 1 , wherein the housing ( 16 ) includes at least one of a) at least one flow channel ( 13 ) aligned in a direction of a longitudinal axis of the impact plate ( 4 ) or b) at least one flow channel ( 13 ) aligned transversely to the longitudinal axis of the impact plate ( 4 ). 
     
     
         15 . The device ( 1 ) as claimed in  claim 1 , wherein at least one of a) the impact plate ( 4 ) includes at least one retainer ( 18 ), or b) the housing ( 16 ) and the at least one impact plate ( 4 ) are produced in one piece. 
     
     
         16 . The device ( 1 ) as claimed in  claim 1 , wherein at least one of the impact plate ( 4 ) or the housing ( 16 ) is produced by an additive manufacturing process. 
     
     
         17 . The device ( 1 ) as claimed in  claim 1 , further comprising at least one of a suction line ( 20 ) for each said receiving hole ( 6 ) in the perforated plate ( 3 ) or each said receiving hole being connected to or having a negative-pressure source ( 21 ). 
     
     
         18 . The device ( 1 ) as claimed in  claim 17 , wherein outlet ends ( 22 ) of the suction lines ( 20 ) are arranged or formed on a retaining plate ( 23 ) that is upstream of the perforated plate ( 3 ). 
     
     
         19 . A bristle material production machine ( 100 ) having the device ( 1 ) as claimed in  claim 1 . 
     
     
         20 . (canceled)