A binding machine includes: a wire feeding unit configured to feed a wire; a curl forming unit configured to form a feeding path of the wire along which the wire fed in a first direction by the wire feeding unit is wound around an object; and a binding unit configured to twist the wire fed in first direction by the wire feeding unit and wound on the object. The wire feeding unit includes a pair of feeding members configured to sandwich the wire and to feed the wire by a rotating operation, and a feeding motor configured to drive the feeding members. The binding machine further includes a control unit configured to control the wire feeding unit. The control unit is configured to control the wire feeding unit to enable the wire sandwiched by the feeding members to be discharged from the feeding members.

A binding machine includes a body part, a feeding unit configured to feed a wire, a first guide and a second guide extending in a first direction from an end portion on one side of the body part, arranged with an interval, in which a binding object is inserted, in a second direction orthogonal to the first direction, and configured to guide the wire fed by the feeding unit, a twisting unit configured to twist the wire guided by the first guide and the second guide, and a guide moving part configured to change the interval from a first distance to a second distance shorter than the first distance.

A binding machine includes: a wire feeding unit; a curl forming unit; a butting part; a cutting unit; and a binding unit. The binding unit includes: a rotary shaft; a wire engaging body configured to move in an axis direction of the rotary shaft and to engage the wire in a first operation area in the axis direction, and to move in the axis direction and to twist the wire in a second operation area in the axis direction; a rotation regulation part; and a tension applying part configured to perform, in the second operation area, an operation of applying tension on the wire engaged by the wire engaging body in the first operation area. The tension applied to the wire is equal to or larger than 10% and equal to or smaller than 50% with respect to a maximum tensile load of the wire.

A rebar tying machine comprising a tying machine main body (1) and a steel wire winding assembly (2) mounted in the main body, a steel wire cutting off mechanism (3) is further mounted in the main body and comprises a transmission device (31) and a wire discharging block (32), the steel wire winding assembly comprises a winding mechanism (21), a driving device (22) for driving the winding mechanism and a locking device for locking the winding mechanism, an advance/retreat locating slot (211) and a rotating cam slot which are communicated with each other are arranged on the winding mechanism, an anti-rotation fixing pin (231) in the locking device moves axially in the advance/retreat locating slot, and the anti-rotation fixed pin slides in the rotating cam slot along the circumferential direction. The rebar tying machine has the advantageous effect that: the anti-rotation fixed pin moves axially in the advance/retreat locating slot and slides in the rotating cam slot along the circumferential direction, and the sidewall of the rotating cam slot extends along the axial direction of a sleeve (216) to form a chamfer structure, thus preventing the tying machine from locking and further ensuring the working smoothness of the winding mechanism.

A wire tie assembly and method of tying a wire using the wire tie assembly is provided. Embodiments of the wire tie assembly comprise a gear-train having a main-drive gear continuously driven by a motor, an idler gear having a first and second dwell portions, the idler gear being configured to mesh with the main-drive gear during a portion of the wire-tying cycle and to dwell relative to the main-drive gear during a portion of the wire-tying cycle, and a twister pinion gear having a wire receiving channel and configured to be in mesh with the idler gear during a portion of the wire tying cycle and to dwell relative to the idler gear during a portion of the wire tying cycle. Some embodiments include cam pins coupled to the idler gear and cam followers that engage the cam pins to actuate secondary functions of the wire tying cycle.

A binding machine includes a first guide having an introduction part into which the wire to be fed by the wire feeding unit is to be introduced, and configured to curl the wire introduced from the introduction part, a second guide configured to guide the wire delivered from the first guide toward the binding unit, a main body part having one end portion at which the first guide and the second guide are provided, and, an entry regulation part provided in the main body part, provided at one side of the introduction part of the first guide at a downstream side of the binding unit with respect to a feeding direction of the wire to be fed toward the first guide by the wire feeding unit, and configured to prevent the wire from entering into one side of the introduction part of the first guide.

A binding machine includes a wire feeding unit configured to feed a wire to be wound on an object to be bound and a binding unit configured to twist the wire wound on the object to be bound. The wire feeding unit includes a pair of feeding members configured to sandwich the wire between the pair of feeding members and to feed the wire by a rotating operation, a wire feeding drive unit connected to one feeding member and configured to rotatively drive the one feeding member, and a load reducing part configured to reduce or remove a load, which is to be applied to the wire via the one feeding member, of the wire feeding drive unit.

An apparatus for tying a wire around one or more objects, such as concrete reinforcing includes a wire feed roller configured to pass a wire around the objects to form a loop, a wire twister configured to twist the sides of the loop together, and a guiding surface arranged to deflect the wire as it is being twisted so that the ends of the wire finish pointing at least partially in the direction of the objects being tied.

A tying machine may include a twisting mechanism configured to twist a tying string. The twisting mechanism may include a twisting motor. The tying machine may be configured to obtain torque acting on the twisting motor as a twisting torque value, and stop the twisting motor when a predetermined tying completion condition is satisfied. The tying completion condition may include that an elapsed time since a rise in the twisting torque value was detected reaches a first predetermined time.

A binding machine includes a first guide having an introduction part into which the wire to be fed by the wire feeding unit is to be introduced, and configured to curl the wire introduced from the introduction part, a second guide configured to guide the wire delivered from the first guide toward the binding unit, a main body part having one end portion at which the first guide and the second guide are provided, and, an entry regulation part provided in the main body part, provided at one side of the introduction part of the first guide at a downstream side of the binding unit with respect to a feeding direction of the wire to be fed toward the first guide by the wire feeding unit, and configured to prevent the wire from entering into one side of the introduction part of the first guide.