Contactless locking of ratchet columns
In an automatically operable rack for storing workpieces in ratchet columns with side walls ( 1.1, 1.2 ), between which movable ratchets ( 5 ) are arranged which serve to hold the workpieces, wherein the ratchets ( 5 ) can be brought from a rest position into a working position in which they hold the workpiece, and a locking/unlocking unit is assigned to the last ratchet ( 5.2 ), the locking being affected by a rotary movement of the last ratchet ( 5.2 ) into its working position, the rotary movement of the last ratchet ( 5.2 ) entrains a bolt ( 9 ) which is received by a recess ( 12, 49 ) when the working position is reached.
1 . Rack for storing workpieces in ratchet columns with side walls ( 1 . 1 , 1 . 2 ), between which movable ratchets ( 5 ) are arranged which serve to hold the workpieces, wherein the ratchets ( 5 ) can be brought from a rest position into a working position in which they hold the workpiece, and a locking/unlocking unit is assigned to the last ratchet ( 5 . 2 ), wherein the locking is affected by a rotary movement of the last ratchet ( 5 . 2 ) into its working position,
characterized in that
the rotary movement of the last ratchet ( 5 . 2 ) entrains a bolt ( 9 ) which is received by a recess ( 12 , 49 ) when the working position is reached,
the bolt ( 9 ) is overlapped by a recess ( 49 ) of a latch ( 37 ) when reaching the working position, and
the latch ( 37 ) rotates about an axis of rotation ( 38 ) against the force of a force accumulator ( 39 ), and
the force accumulator ( 39 ) is connected to the latch ( 37 ) at one end of the axis of rotation ( 38 ), while the latch ( 37 ) has a connection to a lever strip ( 43 ) at the other end of the axis of rotation ( 38 ).
2 . Rack according to claim 1 , characterized in that the bolt ( 9 ) moves into a recess ( 12 ) when the working position is reached.
3 . Rack according to claim 1 , characterized in that the recess ( 49 ) is between the connection and the axis of rotation ( 38 ).
4 . Rack according to claim 1 , characterized in that the connection comprises a bolt ( 44 ) guided in an elongated hole ( 45 ) in the lever strip ( 43 ).
5 . Rack according to claim 1 , characterized in that the lever strip ( 43 ) is connected to a toggle lever ( 47 ) via a swivel joint ( 46 ).
6 . Rack according to claim 5 , characterized in that the toggle lever ( 47 ) is fixedly and rotatably situated on a rack part ( 34 ).
7 . Rack according to claim 5 , characterized in that the swivel joint ( 46 ) pivots from a position above an axis of rotation ( 48 ) of the toggle lever to a position below the axis of rotation ( 48 ) of the toggle lever during its rotation about the axis of rotation ( 48 ) of the toggle lever ( 47 ).
8 . Rack according to claim 7 , characterized in that the connection of the latch ( 37 ) presses on the swivel joint ( 46 ) both above the axis of rotation ( 48 ) of the toggle lever and below said axis of rotation ( 48 ) of the toggle lever.
9 . Rack according to claim 5 , characterized in that the toggle lever ( 47 ) has an extension with a nose ( 50 ) relative to the axis of rotation ( 48 ) of the toggle lever and on the other side of the swivel joint ( 46 ).
10 . Rack according to claim 9 , characterized in that the nose ( 50 ) engages over the bolt ( 9 ) in the locking position.
11 . Rack according to claim 5 , further comprising a slider ( 51 ) that rotates the swivel joint ( 46 ) about the axis of rotation ( 48 ) of the toggle lever.
12 . Rack according to claim 1 , characterized in that the locking and unlocking unit with the latch ( 37 ), the lever strip ( 43 ) and the toggle lever ( 47 ) as well as the slider ( 51 ) are situated on a rack part ( 34 ), which is separately attached from the outside to the side wall ( 1 . 2 ).
13 . Rack according to claim 1 , characterized in that the bolt ( 9 ) is situated inside the two sidewalls ( 1 . 1 , 1 . 2 ).
14 . Rack according to claim 1 , further comprising a hold-down ratchet ( 7 ) which the performs a locking and/or unlocking function of the upper ratchet ( 5 . 2 ).
15 . Rack for storing workpieces in ratchet columns with side walls ( 1 . 1 , 1 . 2 ), between which movable ratchets ( 5 ) are arranged which serve to hold the workpieces, wherein the ratchets ( 5 ) can be brought from a rest position into a working position in which they hold the workpiece, and a locking/unlocking unit is assigned to the last ratchet ( 5 . 2 ), wherein the locking is affected by a rotary movement of the last ratchet ( 5 . 2 ) into its working position,
characterized in that
the rotary movement of the last ratchet ( 5 . 2 ) entrains a bolt ( 9 ) which is received by a recess ( 12 , 49 ) when the working position is reached, and characterized in that the bolt ( 9 ) is guided in a slotted link ( 11 ) in at least one of the sidewalls ( 1 . 1 ), which is adjoined by the recess ( 12 ) extending approximately vertical to the slotted link ( 11 ) for receiving the bolt ( 9 ), and wherein the recess ( 12 ) is a bag-shaped recess ( 12 ).
16 . Rack according to claim 15 , characterized in that the bolt ( 9 ) can be pushed into the recess ( 12 ) by a force accumulator.
17 . Rack according to claim 15 , characterized in that the bolt ( 9 ) can be pushed out of the recess ( 12 ) by the unlocking unit.
18 . Rack according to claim 17 , characterized in that the unlocking unit is a slider ( 19 ) movable along the sidewalls ( 1 . 1 , 1 . 2 ).
19 . Rack according to claim 18 , characterized in that the slider ( 19 ) is movable between the two sidewalls ( 1 . 1 , 1 . 2 ).
20 . Rack according to claim 17 , characterized in that the unlocking unit has a shoulder ( 30 ) which abuts against the bolt ( 9 ).
21 . Rack according to claim 17 , characterized in that, during unlocking, the unlocking unit is under the pull of a force accumulator ( 25 ) which is connected, on the one hand, to the unlocking unit and, on the other hand, to the rack in a stationary manner.
22 . Rack according to claim 17 , characterized in that the unlocking unit is assigned a latch ( 28 ) for fixing the unlocking unit.
23 . Rack according to claim 22 , characterized in that this latch ( 28 ) can be actuated by the upper ratchet ( 5 . 2 ).
24 . Rack for storing workpieces in ratchet columns with side walls ( 1 . 1 , 1 . 2 ), between which movable ratchets ( 5 ) are arranged which serve to hold the workpieces, wherein the ratchets ( 5 ) can be brought from a rest position into a working position in which they hold the workpiece, and a locking/unlocking unit is assigned to the last ratchet ( 5 . 2 ), wherein the locking is affected by a rotary movement of the last ratchet ( 5 . 2 ) into its working position, characterized in that
the rotary movement of the last ratchet ( 5 . 2 ) entrains a bolt ( 9 ) which is received by a recess ( 12 , 49 ) when the working position is reached, and characterized in that the unlocking unit is magnetically operable.
25 . Rack according to claim 24 , characterized in that the unlocking unit is assigned a magnet which cooperates with a magnet of the same polarity on an unlocking device.