Spreading unit

Abstract

The disclosure relates to a spreading unit having a shaper for spreading viscous material, in particular sealing material, on a component, wherein the shaper has a first shaping contour for shaping the viscous material in the process of the spreading, wherein at least a second shaping contour of the shaper for shaping the viscous material can be brought by means of an actuator, in a direction of spreading, into superimposition with the first shaping contour, so that a shape of the shaper is adjustable during an application process.

1 . A spreading unit having a shaper for spreading viscous material on a component, wherein the shaper has a first shaping contour for shaping the viscous material in the process of the spreading,
 wherein at least a second shaping contour of the shaper for shaping the viscous material can be brought by an actuator, in a direction of spreading, into superimposition with the first shaping contour, so that a shape of the shaper is adjustable during an application process.   
     
     
         2 . The spreading unit according to  claim 1 , wherein the second shaping contour has a course which substantially corresponds to a cross-section of the component in the region of the spreading. 
     
     
         3 . The spreading unit according to  claim 1 , wherein the second shaping contour comprises at least two contour segments which are separately movable relative to one another, wherein the contour segments are arranged side by side. 
     
     
         4 . The spreading unit according to  claim 3 , wherein one of the separately movable contour segments is movable in a resiliently elastic manner in relation to the other of the contour segments. 
     
     
         5 . The spreading unit according to  claim 1 , wherein the component is a structural component of an aircraft. 
     
     
         6 . The spreading unit according to  claim 1 , wherein the viscous material is applied to a joint weld of the component, wherein the joint weld is configured as a stepped weld or a fillet weld. 
     
     
         7 . The spreading unit according to  claim 1 , wherein the second shaping contour at least partially superimposes the first shaping contour at least at the beginning of a material application, wherein the second shaping contour is moved back during the application of a start region. 
     
     
         8 . The spreading unit according to  claim 1 , wherein the second shaping contour at least predominantly opens up the first shaping contour during a continuous material application, wherein the second shaping contour, during the application of an end region, is brought into superimposition with the first shaping contour. 
     
     
         9 . The spreading unit according to  claim 1 , wherein the spreading unit has a nozzle for the application of the viscous material on the component. 
     
     
         10 . The spreading unit according to  claim 1 , wherein the spreading unit has a sensor for detecting that region of the component that is to be coated. 
     
     
         11 . A system for spreading viscous material on a component, wherein the system has a component holder for receiving a component, wherein the system has a spreading unit according to  claim 1 . 
     
     
         12 . A system according to  claim 12 , wherein the system has a manipulator with the spreading unit as the end effector. 
     
     
         13 . A method for spreading a viscous material on a component by a spreading unit according to  claim 1 , comprising the steps:
 applying the viscous material to the component in a first position of the shaping contours relative to one another; and   applying the viscous material to the component in a second position of the shaping contours relative to one another.   
     
     
         14 . The method according to  claim 13 , wherein in applying the viscous material to the component in the first position or in applying the viscous material to the component in the second position, respectively a start region or an end region of the viscous material is applied. 
     
     
         15 . The method according to  claim 13 , wherein the viscous material is applied in the first position and in the second position, one above the other, onto the same region of the component.