Apparatus for coupling arranged reinforcement bars

Abstract

The preset invention relates to an apparatus for coupling arranged-reinforcement bars that can more precisely supply wires and bind and cut reinforcement bars, using a linkage member that longitudinally moves with rotation of a main shaft, and can stably operate by stably moving a guider for guiding wires.

1 . An apparatus for coupling arranged reinforcement bars for supplying wires ( 1 ) to a tier ( 11 ) formed at a side of a body ( 10 ) and cutting and tying the wires ( 1 ) with a tying head ( 3 ) at a side of the tier ( 11 ), the apparatus comprising:
 a main shaft unit ( 20 ) including a main shaft ( 21 ) longitudinally and rotatably disposed from a start point for supplying the wires ( 1 ) to the tying head ( 3 ) and a linkage ( 22 ) coupled to the main shaft ( 21 ) to sequentially supply and cut the wires ( 1 ) and bind reinforcement bars by longitudinally moving on the main shaft;   a sequential actuator ( 30 ) disposed outside the main shaft ( 21 ) and transmitting an actuating force for supplying and tying the wires ( 1 ) by sequential coupling of the linkage ( 22 ) longitudinally moving on the main shaft ( 21 ); a wire supplier ( 40 ) coupled to the sequential actuator ( 30 ) to transmit power and supplying the wires ( 1 ) to the tier ( 11 ); and   a tying head actuator ( 50 ) coupled to the main shaft ( 21 ) and the tying head ( 3 ) to transmit power and transmitting an actuating force for cutting and twisting the wires ( 1 ) by rotating the tying head ( 3 ) when the carrier ( 22 ) longitudinally moving on the main shaft ( 21 ) is coupled,   wherein the linkage ( 22 ) includes: a sequential actuating key ( 23 ) transmitting the actuating force by be sequentially coupled to a sequential actuator ( 30 ) and a tying head actuator ( 50 ) by rotating with the main shaft ( 21 ) while moving straight in a slit ( 25 ) longitudinally formed in the main shaft ( 21 ); and a carrier ( 24 ) thread-fastened to a thread ( 28 ) formed on an outer side of the main shaft ( 21 ), coupled to the sequential actuating key ( 23 ), and moving the sequential actuating key ( 23 ) in the slit ( 25 ) by moving longitudinally on the main shaft ( 21 ) by rotation of the main shaft ( 21 ).   
     
     
         2 . The apparatus of  claim 1 , wherein the sequential actuator ( 30 ) includes a plurality of bevel gears ( 31 ) engaged with each other, in which when the sequential actuating key ( 23 ) of the linkage ( 22 ) is sequentially coupled to bevel gears ( 31 ) at both sides through which the main shaft ( 21 ) is inserted, the other bevel gears ( 31 ) engaged with the bevel gears ( 31 ) at both sides are sequentially rotated forward and backward, a key projection ( 26 ) is formed at a side of the sequential actuating key ( 23 ) and a key-locking projection ( 31   a ) for locking the key projection ( 26 ) of the sequential actuating key ( 23 ) is formed on the inner side of the bevel gears ( 31 ) so that the key projection ( 26 ) allows or prevents rotation of the bevel gears ( 31 ) by locking to or separating from the key-locking projection ( 31   a ) by the sequential actuating key ( 23 ). 
     
     
         3 . The apparatus of  claim 1 , wherein the tying head actuator ( 50 ) includes: a power transmission unit ( 51 ) including a driven gear ( 54 ) coupled to the tying head ( 3 ) and a driving gear ( 55 ) engaged with the driven gear ( 54 ) to provide an actuating force with the main shaft ( 21 ) inserted therein such that when the sequential actuating key ( 23 ) of the linkage ( 22 ) of the main shaft ( 21 ) is moved and coupled to the driving gear ( 55 ), the tying head ( 3 ) coupled to the driven gear ( 54 ) is rotated by rotation of the driving gear ( 55 ); a locking lever ( 52 ) disposed at a side of the tying head ( 3 ) and allowing or preventing rotation of the tying head ( 3 ) according to whether the wires ( 1 ) are supplied, by coupling to or separating from the tying head ( 3 ) in accordance with whether the locking lever ( 52 ) comes in contact with the carrier ( 22 ) moving longitudinally on the main shaft ( 21 ); and a clutch unit ( 53 ) including a pair of clutch members ( 56 )) coupled to the driving gear ( 55 ) and the main shaft ( 21 ), respectively, in which a clutch member ( 57 ) coupled to the clutch members ( 56 ) has a first end coupled to the clutch member ( 56 ) and a second end disposed in a line on which the carrier ( 22 ) moves for interference to connect or disconnect power for the main shaft ( 21 ) and the tying head ( 3 ),
 wherein a key end ( 27 ) is formed at a side of the sequential actuating key ( 23 ) and a key-locking projection ( 55   a ) for locking the key end ( 27 ) of the sequential actuating key ( 23 ) is formed on an inner side of the driving gear ( 55 ) so that when the sequential actuating key ( 23 ) is moved, the key end ( 27 ) is locked to or separated from the key-locking projection ( 55   a ) to allow or prevent rotation of the driving gear ( 55 ).   
     
     
         4 . The apparatus of  claim 1 , further comprising: a guider ( 60 ) disposed at a side of the tier ( 11 ) and moving into and out of the tier ( 11 ) to open and close an opening ( 12 ) of the tire ( 11 ); and a guider actuator ( 61 ) coupled to the guider ( 60 ) and the sequential actuator ( 30 ) to transmit power and guiding and supplying the wires by moving the guider ( 60 ) into the opening ( 12 ) of the tier ( 11 ) or returning the guider ( 60 ) using an actuating force from the sequential actuator ( 30 ).