Locking bolt for mounting a tool on a hydraulic press

Abstract

A locking bolt for mounting a tool in a hydraulic press, it being possible for the locking bolt to move in a bolt receptacle between a locking position and a release position, with a securing element, which is located in the bolt receptacle and secures the locking position by positive engagement in the locking bolt, the locking bolt also having a securing portion, and the locking bolt being secured against movement into the release position when the securing element is located in the securing portion, characterized in that the locking bolt has a longitudinal groove, in that the securing portion is formed with a securing depth in any event corresponding to a groove depth of the longitudinal groove and in that the securing portion is formed such that it is adjacent to the longitudinal groove in the circumferential direction, with a direct transition from a groove base into the securing position.

1 . Locking bolt ( 5 ) for mounting a tool in a hydraulic press, it being possible for the locking bolt ( 5 ) to move in a bolt receptacle ( 4 ) between a locking position and a release position, with a securing element ( 7 ), which is located in the bolt receptacle ( 4 ) and secures the locking position by positive engagement in the locking bolt ( 5 ), the locking bolt ( 5 ) also having a securing portion ( 10 ), and the locking bolt ( 5 ) being secured against movement into the release position when the securing element ( 7 ) is located in the securing portion ( 10 ), characterized in that the locking bolt ( 5 ) has a longitudinal groove ( 11 ), in that the securing portion ( 10 ) is formed with a securing depth in any event corresponding to a groove depth of the longitudinal groove ( 11 ) and in that the securing portion ( 10 ) is formed such that it is adjacent to the longitudinal groove ( 11 ) in the circumferential direction, with a direct transition from a groove base ( 16 ) into the securing portion ( 10 ).  
   
   
       2 . Locking bolt according to the precharacterizing clause of  claim 1  or according to  claim 1 , characterized in that the locking bolt ( 5 ) has a longitudinal groove ( 11 ) and in that the securing portion ( 10 ) is formed such that it is offset in a step-like manner in relation to a groove base ( 16 ).  
   
   
       3 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the securing element ( 7 ) can be displaced against spring force.  
   
   
       4 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the securing portion ( 10 ) is formed with a run-up slope ( 22 ) for the movement of the securing element ( 7 ) into a securing element release position.  
   
   
       5 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the run-up slope ( 22 ) is formed in the circumferential direction and/or axial direction of the locking bolt ( 5 ).  
   
   
       6 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the run-up slope ( 22 ) goes over in the circumferential direction into a returning portion ( 21 ).  
   
   
       7 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the returning portion ( 21 ) is disposed oppositely in the circumferential direction with respect to the longitudinal groove ( 11 ) than the securing portion ( 10 ).  
   
   
       8 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the returning portion ( 21 ) is formed such that it partly overlaps in the longitudinal direction of the groove with the associated end region of the longitudinal groove.  
   
   
       9 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the locking bolt ( 5 ) is spring-biased into its opening position.  
   
   
       10 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the locking bolt ( 5 ) is biased in a rotating manner, with a rotating force in the direction of the securing portion ( 10 ).  
   
   
       11 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that, for movement of the locking bolt ( 5 ) out of the locking position into the release position, first a movement (arrow a) in the direction of the locking position is required.  
   
   
       12 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that, in the locking position, the securing element ( 7 ) is circumferentially separated from the longitudinal groove ( 11 ) by a locking nose ( 19 ).  
   
   
       13 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the securing portion ( 10 ) has a detent depression ( 24 ), which is formed in the longitudinal direction of the longitudinal groove ( 11 ) and goes over in the circumferential direction into the securing portion ( 10 ), which is disposed ahead of the detent depression ( 24 ) in the locking direction (arrow a) of the locking bolt ( 5 ).  
   
   
       14 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the run-up slope ( 22 ), optionally together with the returning portion ( 21 ), surrounds the detent depression ( 24 ).  
   
   
       15 . Locking bolt according to one or more of the preceding claims or in particular according thereto, characterized in that the returning portion ( 21 ) is in any event further elevated in a step-like manner in the transitional region to the longitudinal groove ( 11 ).