NZ785115A - Binding machine - Google Patents
Binding machineInfo
- Publication number
- NZ785115A NZ785115A NZ785115A NZ78511522A NZ785115A NZ 785115 A NZ785115 A NZ 785115A NZ 785115 A NZ785115 A NZ 785115A NZ 78511522 A NZ78511522 A NZ 78511522A NZ 785115 A NZ785115 A NZ 785115A
- Authority
- NZ
- New Zealand
- Prior art keywords
- guide
- induction part
- wire
- induction
- binding
- Prior art date
Links
- 230000001939 inductive effect Effects 0.000 claims abstract description 239
- 150000002500 ions Chemical group 0.000 claims description 37
- 230000003014 reinforcing Effects 0.000 description 135
- 238000003780 insertion Methods 0.000 description 34
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229940035295 Ting Drugs 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
binding machine includes: a feeding unit configured to feed a wire; a guide part configured to wind the wire fed by the feeding unit around a binding object; a twisting unit configured to twist the wire wound on the binding object by the guide part; and a contact part against which the binding object is butted. The guide part includes: a first guide configured to curl the wire around the binding object butted against the contact part; a second guide configured to guide the wire curled by the first guide to the twisting unit; and an induction part provided to at least one of the first guide and the second guide, and configured to guide the binding object between the first guide and the second guide. The induction part is configured so that a distance between the induction part and the contact part is variable. ect is butted. The guide part includes: a first guide configured to curl the wire around the binding object butted against the contact part; a second guide configured to guide the wire curled by the first guide to the twisting unit; and an induction part provided to at least one of the first guide and the second guide, and configured to guide the binding object between the first guide and the second guide. The induction part is configured so that a distance between the induction part and the contact part is variable.
Description
BINDING MACHINE
This application claims priority from Japanese patent application 2021-021732, filed
February 2021, and the entire contents of that application are incorporated herein by
reference.
TECHNICAL FIELD
The present sure relates to a binding machine.
BACKGROUND ART
In the related art, used is a binding machine configured to perform a binding
operation by inserting a reinforcing bar, which is a binding object, inside a pair of guide parts
provided on a tip end-side of a binding machine body, curling a wire and winding the wire
around the rcing bar by the pair of guide parts and twisting the same.
Here, in order to reliably m the binding operation, it is necessary to securely
insert the reinforcing bar, which is a binding object, into an g inside the pair of guide
parts. In particular, in a binding machine where the g machine body and a handle part
are connected by an elongated connecting part, a structure capable of reliably inserting the
reinforcing bar inside the pair of guide parts is required because the guide parts are apart from
a viewpoint of an operator.
A related art disclosed in Patent Literature 1 has been suggested to address such an
issue. For example, disclosed is a binding e having an induction part having an
inclined surface provided on a tip end-side of a first guide of a guide part and capable of
easily inserting a reinforcing bar into an ion/pulling-out opening between the first guide
and a second guide.
Patent Literature 1: JP-A41399
However, in the binding machine of the related art disclosed in Patent Reference 1
and the like, in a case of performing an operation at a site where a gap between the reinforcing
bar that is a binding object and the ground is narrow, when inserting the rcing bar into
an g inside the pair of guide parts, there occurs a problem that the tip end-side of the
guide part comes into contact with the ground, and therefore, the reinforcing bar cannot be
inserted at a predetermined position in the g between the pair of guide parts.
[0007] Therefore, the t invention has been made to solve the above-described
problem, and an object f is to provide a binding machine capable of ing a
reinforcing bar into an opening between a pair of guide parts even at a site where a gap
between a binding object such as a reinforcing bar and the ground is narrow.
SUMMARY OF INVENTION
In order to solve the above-described problem, the present sure includes a
g unit configured to feed a wire, a guide part configured to wind the wire fed by the
feeding unit around a binding object, a twisting unit configured to twist the wire wound on the
binding object by the guide part, and a contact part against which the binding object is butted,
in which the guide part includes a first guide configured to curl the wire around the binding
object butted against the contact part, a second guide configured to guide the wire curled by
the first guide to the twisting unit, and an induction part provided to at least one of the first
guide and the second guide, and configured to guide the binding object between the first guide
and the second guide, and in which the induction part is ured so that a distance between
the induction part and the t part is variable.
According to the present disclosure, since the induction part is configured so that the
distance between the induction part and the contact part is variable, the binding object can be
inserted between the pair of guide parts even when a space between the g object and the
ground is narrow.
BRIEF DESCRIPTION OF GS
is a side view of a reinforcing bar binding machine according to a first
embodiment.
is a side view of the reinforcing bar g machine according to the first
embodiment.
is a front view of the reinforcing bar binding machine according to the first
embodiment.
is a side view showing an internal configuration of the reinforcing bar
g machine according to the first embodiment.
is a side view showing the al configuration of the reinforcing bar
g machine according to the first embodiment.
is a side view showing main parts of the internal configuration of the
reinforcing bar binding machine according to the first embodiment.
is a side view of an induction part of the reinforcing bar binding machine
according to a first embodiment.
is a side view of the induction part of the reinforcing bar binding machine
according to the first embodiment.
is a side view of the induction part of the reinforcing bar g e
according to the first embodiment.
is an ed perspective view of the induction part of the reinforcing bar
binding machine according to the first embodiment.
shows an operation of the reinforcing bar binding machine according to the
first embodiment.
is a side view of an induction part of a reinforcing bar binding machine
according to a modified embodiment of the first embodiment.
is a side view of an induction part of a reinforcing bar binding machine
according to a second embodiment.
is a side view of the induction part of the reinforcing bar binding machine
according to the second embodiment.
is an exploded perspective view of the induction part of the reinforcing bar
binding machine according to the second embodiment.
A is a side view of an induction part of a reinforcing bar binding machine
according to a third embodiment.
B is a side view of the induction part of the rcing bar binding machine
according to the third embodiment.
C is a side view of the induction part of the reinforcing bar binding machine
according to the third embodiment.
is an exploded perspective view of the induction part of the reinforcing bar
binding machine according to the third embodiment.
A is a side view of an induction part of a reinforcing bar binding machine
according to a fourth embodiment.
B is a side view of the ion part of the reinforcing bar binding machine
ing to the fourth embodiment.
C is a side view of the induction part of the rcing bar binding machine
according to the fourth embodiment.
is an exploded perspective view of the ion part of the rcing bar
binding machine according to the fourth embodiment.
DESCRIPTION OF EMBODIMENTS
Hereinafter, favorable embodiments of the present disclosure will be described in
detail with reference to the accompanying drawings.
[First Embodiment]
(Configuration Example of Reinforcing Bar Binding Machine 1A)
FIGS. 1A and 1B are side views of a reinforcing bar binding machine 1A according
to a first embodiment. is a front view of the reinforcing bar binding machine 1A
according to the first embodiment. FIGS. 2A and 2B are side views showing an al
configuration of the reinforcing bar binding machine 1A according to the first embodiment,
and is a side view showing main parts of the internal configuration of the reinforcing
bar binding machine 1A shown in FIGS. 4A to 4C are side views showing an
example of a configuration of an induction part 600 according to the first embodiment. 4A shows a case where an operation is performed at a site where a space between a ground G,
which is an obstacle, and a reinforcing bar S is wide, and shows a case where an
ion is performed at a site where the space between the ground G, which is an le,
and the reinforcing bar S is narrow. is an exploded perspective view of the induction
part 600 according to the first embodiment.
[0013] The reinforcing bar g machine 1A is used in a state where an operator is
standing with a guide part 5 facing downward so as to bind a reinforcing bar S at the feet of
the operator. As shown in FIGS. 1A to 1C and the like, the reinforcing bar binding machine
1A has a first body part 301 configured so that it can be held by a hand, a second body part
302 having a mechanism for binding the reinforcing bar S with a wire W, and an elongated
connecting part 303 configured to connect the first body part 301 and the second body part
302. The first body part 301 has a pair of handle parts 304hL and 304hR, which are
es of a grip part that can be gripped by the operator. In addition, the first body part
301 is provided with a power supply switch (not shown) for turning off and turning on a
power supply of the reinforcing bar binding e 1A.
[0014] As shown in FIGS. 2A and 3 and the like, the second body part 302 includes an
accommodation part 2 configured to rotatably accommodate a wire reel 20 on which the wire
W is wound, and a g unit 3 configured to feed the wire W wound on the wire reel 20
accommodated in the odation part 2. In addition, the second body part 302 includes
a guide part 5 configured to curl the wire W, which is being fed by the feeding unit 3, around
the reinforcing bar S and to guide the curled wire W to a twisting unit 7. Further, the second
body part 302 includes a cutting unit 6 configured to cut the wire W, a twisting unit 7
ured to twist the wire W wound around the reinforcing bar S by the guide part 5, and a
drive unit 8 ured to drive the cutting unit 6, the twisting unit 7 and the like.
The rcing bar binding machine 1A is provided with the guide part 5 on one side
of the second body part 302. As for the reinforcing bar binding machine 1A, the first body
part 301 and the second body part 302 are connected by the connecting part 303, so that the
guide part 5 and the handle parts 304hL and 304hR are further extended therebetween, as
compared to a reinforcing bar binding machine to which the connecting part 303 is not
provided. In the present embodiment, a side on which the guide part 5 is provided is defined
as a front.
As shown in the accommodation part 2 is configured so that the wire reel 20
can be attached/detached and supported. The feeding unit 3 includes a pair of feeding gears
30 as a feeding member. The g unit 3 is configured to feed the wire W by rotating the
feeding gears 30 by a motor (not shown) in a state where the wire W is sandwiched n
the pair of feeding gears 30. The feeding unit 3 can feed the wire W in both a forward
direction ted by an arrow F and a reverse direction indicated by an arrow R, according
to a rotating direction of the feeding gear 30.
[0017] The cutting unit 6 is provided downstream of the g unit 3 with respect to
feeding of the wire W in the forward direction indicated by the arrow F. The cutting unit 6
includes a fixed blade part 60 and a movable blade part 61 configured to cut the wire W in
cooperation with the fixed blade part 60. In addition, the cutting unit 6 includes a
transmission mechanism 62 configured to transmit movement of the drive unit 8 to the
movable blade part 61.
The fixed blade part 60 has an opening 60a through which the wire W passes. The
movable blade part 61 is ured to cut the wire W g through the opening 60a of the
fixed blade part 60 by a rotating operation about the fixed blade part 60 as a fulcrum.
In addition, as shown in FIGS. 3 and 4A and the like, the guide part 5 is configured
to wind the wire W fed by the feeding unit 3 around the reinforcing bar S. The guide part 5
includes a first guide 51 configured to curl and guide the wire W around the rcing bar S
that is butted t a contact part 11, which will be described later, a second guide 52
configured to guide the wire W curled by the first guide 51 to the twisting unit 7, and an
induction part 600 configured to guide the reinforcing bar S to an insertion/ pulling-out
opening (opening) 53. Note that, the details of the induction part 600 will be described
later.
The first guide 51 is attached to an end portion on a front side of the second body
part 302 and extends in a first direction, which is a front and rear direction indicated by an
arrow A1. When a side of the first guide 51 attached to the second body part 302 is referred
to a base end-side and a side ing forward from the second body part 302 is referred to
as a tip end-side, the base end-side is attached to the second body part 302 by a screw or the
like. Further, the first guide 51 has a groove portion 51h having a guide surface 51g with
which the wire W fed by the feeding unit 3 is to come into sliding contact.
The first guide 51 has a regulation part 40. The regulating part 40 has a first
regulation member constituted by the fixed blade part 60 described above. In addition, the
regulating part 40 has a regulation member 42 provided downstream of the fixed blade part
60 and a regulation member 43 provided downstream of the tion member 42 with
respect to the feeding of the wire W in the forward direction indicated by the arrow F. The
regulation member 42 and the regulation member 43 are constituted by columnar members,
and the wire W comes into contact with outer peripheral surfaces thereof. Thereby, the wire
W fed by the feeding unit 3 passes while being in contact with the fixed blade part 60, the
regulation member 42, and the regulation member 43, so that the wire W is curled.
[0022] The tion part 40 includes a ission mechanism 44 configured to transmit
movement of the drive unit 8 to the regulation member 42. The regulation member 42 is
d at a position where the wire W comes into contact with the same when feeding the
wire W in the forward direction by the feeding unit 3 to curl the wire W, and is configured to
be movable to a position where it is not in contact with the wire W by an operation of feeding
the wire W in the reverse direction to wind the wire W on the reinforcing bar S.
The second guide 52 is attached to an end portion on the front side of the second
body part 302. The second guide 52 is provided to face the first guide 51 in a second
direction ted by an arrow A2, which is an upper and lower direction orthogonal to the
first direction. A predetermined space is provided between the first guide 51 and the second
guide 52 along the second ion, and an insertion/pulling-out opening 53 to and from
which the reinforcing bar S is ed and pulled out is formed between the first guide 51 and
the second guide 52.
The second guide 52 is configured to be ble with respect to the second body
part 302 with a shaft 52b as a fulcrum. The second guide 52 is configured to be movable in
directions toward and away from the first guide 51 in the second direction indicated by the
arrow A2.
The second guide 52 is configured to be movable between an open position opening
with respect to the first guide 51 and a closed position closer to the first guide 51 than the
open on by rotation with the shaft 52b as a fulcrum, in conjunction with a pair of contact
members 9L and 9R. When the second guide 52 is at the open position, a space between the
first guide 51 and the second guide 52 is widened, so that it becomes easier to insert the
rcing bar into the insertion/pulling-out opening 53. The second guide 52 is urged by
an urging member 54 constituted by a torsion coil spring or the like in a direction of moving
to the open position, and a state of being moved to the open position is maintained.
As shown in the twisting unit 7 includes an engaging part 70 with which the
wire W is engaged and an actuating part 71 configured to actuate the engaging part 70. The
engaging part 70 is formed with a first passage through which the wire W fed to the cutting
unit 6 by the feeding unit 3 passes, and a second passage through which the wire W curled by
the regulation part 40 and guided to the twisting unit 7 by the guide part 5 passes. The
engaging part 70 is configured to rotate by an operation of the actuating part 71, thereby
twisting the wire W wound on the reinforcing bar S.
As shown in FIGS. 2A and 3 and the like, the drive unit 8 includes a twisting motor
80 configured to drive the ng unit 7 and the like, a decelerator 81 configured to perform
deceleration and torque amplification, a rotary shaft 82 configured to drive and rotate via the
decelerator 81 by the twisting motor 80, and a moving member 83 configured to transmit a
drive force to the g unit 6 and the regulation member 42. In the twisting unit 7 and the
drive unit 8, rotation centers of the rotary shaft 82 and the ing part 71 and engaging part
70 are arranged coaxially. The rotation centers of the rotary shaft 82 and the actuating part
71 and engaging part 70 are referred to as 'axis line Ax'. In the present example, the first
direction indicated by the arrow A1 is a direction along the axis line Ax.
The drive unit 8 is configured to move the actuating part 71 along an axial ion
of the rotary shaft 82 by a rotating operation of the rotary shaft 82. As the actuating part 71
moves along the axial direction of the rotary shaft 82, the engaging part 70 holds a tip endside
of the wire W guided to the twisting unit 7 by the guide part 5.
In the drive unit 8, the moving member 83 is configured to move along the axial
direction of the rotary shaft 82 in conjunction with an ion of the ing part 71
moving along the axial direction of the rotary shaft 82, so that movement of the moving
member 83 is transmitted to the regulation member 42 by the transmission mechanism 44 and
the regulation member 42 moves to a position where it is not in contact with the wire. In
on, when the ing part 71 moves along the axial direction of the rotary shaft 82, the
movement of the moving member 83 is itted to the movable blade part 61 by the
transmission mechanism 62, so that the movable blade part 61 is actuated to cut the wire W.
The drive unit 8 is configured to rotate the actuating part 71, which has been moved
along the axial ion of the rotary shaft 82, by the rotating operation of the rotary shaft 82.
The ing part 71 is configured to rotate around an axis of the rotary shaft 82, thereby
twisting the wire W with the engaging part 70.
Further, the rcing bar binding machine 1A includes contact members 9L and
9R, a link member 96, and a contact part 11.
As shown in FIGS. 1 and 2A and the like, the contact members 9L and 9R are
configured to come into contact with the reinforcing bar S, which is a binding object inserted
into the insertion/pulling-out opening 53 between the first guide 51 and the second guide 52.
The contact member 9L is provided on one side of the second body part 302, and the contact
member 9R is provided on the other side of the second body part 302. The contact members
9L and 9R are provided to be e along the first direction indicated by the arrow A1, and
are configured to move between a standby position (refer to ) protruding from the
contact part 11 toward the insertion/pulling-out opening 53 and an actuating position (refer to
) close to the contact part 11, at which the second guide 52 is moved to the closed
position.
The link member 96 is configured to transmit movement of the contact members 9L
and 9R to the second guide 52. When the t members 9L and 9R are moved to the
actuating position, the link member 96 rotates about a shaft 97 as a fulcrum to move the
second guide 52 to the closed position where an opening width of the insertion/pulling-out
g 53 is narrowed.
The contact part 11 is attached from an end portion on the front side of the second
body part 302 to both left and right sides of the second body part 302, and is configured to
cover the end portion on the front side of the second body part 302. When the contact
members 9L and 9R pushed by the reinforcing bar S inserted into the insertion/pulling-out
opening 53 are moved to the actuating position, the reinforcing bar S or the like is butted
against the contact part 11. The contact part 11 is constituted by a metal plate or the like,
and has a shape to cover a n or all of the end portion on the front side of the second
body part 302 and portions of both the left and right sides on the front side of the second body
part 302, between the base end-side of the first guide 51 and the base de of the second
guide 52. While the second body part 302 is made of resin, the contact part 11 is made of
metal, so that even when the contact members 9L, 9R and the reinforcing bar S are butted
against the contact part 11, the wear of the contact part 11 can be reduced.
(Configuration Example of Induction Part 600)
Next, an example of a configuration of the induction part 600 ing to the first
embodiment is described.
As shown in and the like, the induction part 600 is provided on the tip endside
of the first guide 51, and is configured to pick up the reinforcing bar S to be bound, and
to induce and guide the same into the insertion/pulling-out opening 53 between the first guide
51 and the second guide 52. The induction part 600 has a tip end portion 600a provided to
be in contact with a ground G, and an induction surface 600b provided on a side (the
insertion/pulling-out g 53-side) facing the second guide 52. The tip end n 600a
is formed in a curved shape, for e, instead of an edge shape so as not to damage a floor
surface or the like at an operation site. The induction e 600b is inclined so that an
g width of the insertion/pulling-out opening 53 becomes wider from the base end-side
toward the tip end-side of the induction part 600, and has such a shape that it is easy to pick
up the reinforcing bar S.
r, the induction part 600 is ured to rotate as the tip end portion 600a
presses against the ground G and to vary an amount of protrusion with respect to the first
guide 51 when performing an operation at a site where a space between the ground G, which
is an obstacle, and the reinforcing bar S is narrow. That is, the induction part 600 is
configured so that a distance between the induction part and the contact part 11 of the second
body part 302 can be varied according to the space between the reinforcing bar S, which is a
binding object, and the ground G.
Specifically, as shown in , in a case of performing an operation at a site
where the space between the reinforcing bar S and the ground G is wide, the induction part
600 is located at a first position P1 where a distance between the tip end portion 600a and the
t part 11 is a first distance D1, and an amount of protrusion of the induction part 600
with respect to the first guide 51 becomes large. In contrast, as shown in , in a case
of performing the operation at a site where the space between the reinforcing bar S and the
ground G is narrow, the induction part 600 is rotated to a second position P2 where the
distance between the tip end portion 600a and the contact part 11 is a second distance D2
shorter than the first distance D1, and the amount of sion of the induction part 600 with
t to the first guide 51 becomes small.
As shown in the induction part 600 is tuted by, for example, a pair of
flat plates arranged to face each other, and is fitted to an outer side of a guide cover 51b.
r to the induction part 600, the guide cover 51b is also constituted by, for example, a
pair of flat plates arranged to face each other, and is fitted to an outer side of a guide arm 51a.
Note that, the guide arm 51a and the guide cover 51b constitute the first guide 51.
The induction part 600 is formed with a long hole 610 for movably guiding the same
n the first position P1 and the second position P2. The long hole 610 is formed in a
substantial arc shape, and is configured to regulate a moving range of the induction part 600
n the first position P1 and the second position P2.
[0041] A pin 630 is inserted into the long hole 610 of the induction part 600, a hole 500 of
the guide cover 51b, and a hole 502 of the guide arm 51a, from one side toward the other side.
A stopper 632 for preventing the pin 630 from coming off in the axial direction is attached to
the other end portion of the pin 630. Further, a pin 640 for supporting a torsion coil spring
650, which will be described later, is attached between the plates of the guide cover 51b.
[0042] A pin 620 is inserted into a hole 660 of the induction part 600 and a hole 504 of the
guide cover 51b, from one side toward the other side. A stopper 622 for preventing the pin
620 from coming off in the axial direction is attached to the other end portion of the pin 620.
The induction part 600 is configured to rotate along the long hole 610 with respect to the
guide cover 51b (first guide 51) about the pin 620 as a fulcrum. The tip end portion 600a is
provided on the insertion/pulling-out opening 53-side with respect to the pin 620 that is a
fulcrum of rotation.
A torsion coil spring 650 is ed between the plates of the guide cover 51b.
The pin 620 is inserted into a central axis of the torsion coil spring 650, a fixed point of the
torsion coil spring 650 is attached to the pin 640, and a load point of the n coil spring
650 is in contact with an acting portion 602 provided on an opposite side of the induction
surface 600b. The induction part 600 is urged by the n coil spring 650 in a direction of
an arrow A3 in a ise direction (refer to ) with the pin 620 as a fulcrum, and is
maintained at the first position P1.
tion Example of Reinforcing Bar Binding Machine 1A)
Next, an operation of binding the reinforcing bar S with the wire W by the
reinforcing bar binding machine 1A is described. shows an example of the operation
of the reinforcing bar binding machine 1A according to the first embodiment. Hereinafter, a
case of performing the binding operation at an operation site where the space between the
reinforcing bar S and the ground G is narrow is described with reference to FIGS. 1A to 6.
An or grips the handle part 304hR and the handle part 304hL, takes a standing
posture, and for example, aligns the guide part 5 at an intersection place of the two rcing
bars S. Subsequently, as shown in , the operator presses the tip end portion 600a of
the induction part 600 against the ground G by an operation of moving the reinforcing bar
binding e 1A in a direction of inserting the reinforcing bars S into the
insertion/pulling-out opening 53.
By the pressing operation, as shown in FIGS. 4C and 5, the tip end portion 600a of
the induction part 600 moves toward the second body part 302 against an elastic force of the
torsion coil spring 650. Specifically, the induction part 600 rotates in a direction of an arrow
A4 along the long hole 610 about the pin 620 as a fulcrum, and the tip end portion 600a of the
induction part 600 moves from the first position P1 to the second on P2. Thereby, the
amount of protrusion of the induction part 600 from the tip end-side of the first guide 51 can
be d, so that the reinforcing bars S can be inserted into the insertion/pulling-out
opening 53.
As shown in FIGS. 4C and 6, when the reinforcing bars S are inserted into the
insertion/pulling-out opening 53 and the reinforcing bars S are pressed against the contact
member 9L by the operation of moving the reinforcing bar binding machine 1A in the
direction of inserting the reinforcing bars S into the insertion/pulling-out opening 53, the
contact member 9L moves to the actuating position. Along with this, the link member 96
rotates, and the second guide 52 moves from the open position to the closed position toward
the first guide 51.
When the second guide 52 moves to the closed position, the feeding motor s in
the forward direction and the feeding gears 30 rotate in the forward direction, so that the wire
W is fed in the forward direction indicated by the arrow F. The wire W that is fed in the
forward direction by the feeding unit 3 is bent in an arc shape by coming into contact with the
fixed blade part 60, the regulation member 42, the regulation member 43 and the guide
surface 51g of the first guide 51, so that a curl g a substantial circle is formed.
[0049] The wire W curled by the regulation part 40 of the first guide 51 is guided to the
second guide 52 and the engaging part 70 of the ng unit 7. When the tip end portion of
the wire W is fed to a predetermined on, the feeding motor (not shown) is d, and
the wire W is in a state of being wound around the reinforcing bars S.
After the feeding motor is stopped, the twisting motor 80 rotates in the forward
direction, and the tip end-side of the wire W is held by the engaging part 70 as the actuating
part 71 operates. When the wire W is held by the ng part 70, the twisting motor 80 is
stopped and the feeding motor is rotated in the e direction. When the feeding motor
rotates in the e direction, the feeding gears 30 rotate in the reverse direction and the
wire W is fed in the reverse direction ted by the arrow R. Thereby, the wire W is
wound to be in close contact with the reinforcing bars S.
When the wire W is wound on the reinforcing bars S, the rotation of the feeding
motor is stopped, and the twisting motor 80 rotates in the forward direction. Along with
this, the moving member 83 actuates the movable blade part 61 via the transmission
ism 62, so that the wire W is cut.
After the wire W is cut, the twisting motor 80 continues to rotate in the forward
direction, so that the engaging part 70 rotates and the wire W is twisted. When the wire W is
bound, the twisting motor 80 is rotated in the reverse direction. Thereby, the engaging part
70 returns to an initial on, and the holding of the wire W is released. By the series of
operations, the binding operation is executed.
When the binding ion is completed, the operator moves the reinforcing bar
binding e 1A in a direction of pulling out the rcing bars S from the
insertion/pulling-out g 53 (a direction away from the ground G). Along with this, the
tip end portion 600a of the induction part 600 comes off from the ground G, so that, as shown
in , the induction part 600 is rotated in the direction of the arrow A3 about the pin 620
as a fulcrum by the urging force of the torsion coil spring 650 and the induction part 600
returns from the second position P2 to the first position P1. Further, when the force for
g the contact member 9L by the reinforcing bars S is no longer applied by the operation
of moving the reinforcing bar binding machine 1A in the direction of pulling out the
reinforcing bars S from the insertion/pulling-out opening 53, the second guide 52 moves away
from the first guide 51 by the urging force of the urging member 54 and returns to the open
position.
According to the first embodiment, when performing the operation at a site where the
space between the reinforcing bars S and the ground G is narrow, the induction part 600 is
rotated by the operation of pressing the ion part 600 against the ground G. Therefore,
the amount of protrusion of the induction part 600 from the tip end-side of the first guide 51
can be reduced. Thereby, the reinforcing bars S can be reliably inserted into the
insertion/pulling-out g 53 between the first guide 51 and the second guide 52, and the
contact members 9L and 9R are pressed by the reinforcing bars S to securely start the binding
operation.
Further, in the d art, in the case of the site where the space between the
rcing bars S and the ground G is narrow, it was necessary to perform a replacement
operation of detaching the induction part 600 from the first guide 51 so as to shorten a length
of the entire guide part 5 in the direction of the axis line Ax. In contrast, ing to the
first embodiment, since the length of the induction part 600 with respect to the contact part 11
in the direction of the axis line Ax can be varied, the ion of replacing the induction part
600 is not necessary, so that an operation load can be reduced. In addition, it is possible to
avoid the loss of components during the replacement operation of the induction part 600.
Further, since a mechanism premised on replacement is not required, the induction part 600
can be firmly attached to the first guide 51.
Note that, in the described embodiment, when ming the operation at the
site where the space between the reinforcing bars S and the ground G is narrow, the induction
part 600 is pressed against the ground G, which is an obstacle, and the tip end portion 600a of
the induction part 600 is moved from the first position P1 to the second position P2.
However, at an operation site where it is not recommended to bring the induction part 600
into contact with the ground G, the operator may manually rotate the induction part 600.
[0057] For example, at an operation site where a sheet, a tape or the like for curing
(hereinafter, referred to as a curing sheet or the like) is laid on te (ground G), when the
tip end portion 600a of the induction part 600 is brought into contact with the curing sheet or
the like, the curing sheet or the like may be damaged. For this reason, at the operation site
where the curing sheet or the like is laid, it is ary to perform the binding operation
without bringing the induction part 600 into contact with the ground G.
shows a use aspect of the induction part 600 according to a modified
embodiment of the first embodiment.
When the space between the reinforcing bars S and the ground G is narrow and a
curing sheet or the like is laid on the ground G such as concrete, as shown in the
operator rotates the tip end portion 600a from the first position P1 to the second position
before starting the binding operation. Subsequently, the operator s a screw 670,
which is a holding member, from a hole 508 of the guide cover 51b (refer to ), and
attaches the removed screw 670 to a hole 662 of the induction part 600 and a hole 506 of the
guide cover 51b (refer to . Thereby, the induction part 600 is held and fixed at the
second position P2. After fixing the induction part 600 at the second position P2, for
example, the operator aligns the guide part 5 at the intersection place of the two reinforcing
bars S, for example, and inserts the reinforcing bars S into the insertion/pulling-out opening
53, y performing the binding operation. In this way, by ng the induction part 600
before the start of the binding operation, damage to the curing sheet or the like can be
avoided.
Further, in the above description, the reference of the ce when the ion
part 600 is varied is the contact part 11. However, for example, the drive unit 8 may be used
as a reference, or the twisting motor 80 may be used as a reference. As shown in FIGS. 2A
and 2B, the induction part 600 is configured to be able to vary the distance between the
induction part and the twisting motor 80 provided in the second body part 302, ing to
the space between the reinforcing bars S, which are a g object, and the ground G.
Specifically, in a case of ming an operation at a site where the space between
the reinforcing bars S and the ground G is wide, as shown in , the induction part 600
is located at the first position P1 where a distance between the tip end portion 600a and the
motor part 80 is a first distance F1, and the amount of protrusion of the induction part 600
with t to the first guide 51 becomes large. In contrast, in a case of performing the
operation at a site where the space between the reinforcing bars S and the ground G is narrow,
as shown in , the induction part 600 is rotated to the second position P2 where the
distance between the tip end portion 600a and the motor part 80 is a second distance F2
shorter than the first distance F1, and the amount of protrusion of the induction part 600 with
respect to the first guide 51 becomes small.
Further, as the nce of the distance when the induction part 600 is varied, the
handle parts 304hL and 304hR, which are a grip part, may be used instead of the abovedescribed
contact part 11 or the like. As shown in FIGS. 1A and 1B, the induction part 600
is configured to be able to vary the distance between the induction part and the handle parts
304hL and 304hR, which are a grip part of the first body part 301, according to the space
between the reinforcing bars S, which are a binding object, and the ground G.
[0063] Specifically, in a case of performing an operation at a site where the space between
the rcing bars S and the ground G is wide, as shown in , the induction part 600
is located at the first position P1 where a distance between the tip end portion 600a and the
handle parts 304hL and 304hR is a first distance E1, and the amount of protrusion of the
induction part 600 with respect to the first guide 51 s large. In contrast, in a case of
performing the ion at a site where the space between the reinforcing bars S and the
ground G is narrow, as shown in , the induction part 600 is rotated to the second
on P2 where the distance between the tip end portion 600a and the handle parts 304hL
and 304hR is a second distance E2 shorter than the first distance E1, and the amount of
protrusion of the ion part 600 with respect to the first guide 51 becomes small.
Further, as the reference of the distance when the induction part 600 is varied, a tip
end portion 51a1 of the guide arm 51a, which is a first guide, may be used instead of the
above-described contact part 11 or the like. As shown in FIGS. 4A and 4C, the induction
part 600 is configured to be able to vary the distance between the induction part and the tip
end portion 51a1 of the guide arm 51a, which is provided to the second body part 302,
according to the space between the reinforcing bars S, which are a binding object, and the
ground G.
Specifically, in a case of performing an operation at a site where the space between
the reinforcing bars S and the ground G is wide, as shown in , the ion part 600
is located at the first on P1 where a distance between the tip end portion 600a and the tip
end portion 51a1 of the guide arm 51a is a first distance H1, and the amount of protrusion of
the induction part 600 with respect to the first guide 51 becomes large. In contrast, in a case
of performing the operation at a site where the space between the reinforcing bars S and the
ground G is narrow, as shown in , the induction part 600 is rotated to the second
on P2 where the distance between the tip end n 600a and the tip end portion 51a1
of the guide arm 51a is a second distance H2 shorter than the first distance H1, and the
amount of protrusion of the induction part 600 with respect to the first guide 51 s
small.
[0066] [Second Embodiment]
An induction part 700 of a reinforcing bar binding machine 1B according to a second
embodiment is different from the induction part 600 of the reinforcing bar binding machine
1A ing to the first embodiment, in that the induction part 700 is configured to be
movable substantially parallel to the axis line Ax. In the second embodiment, as for the
configuration and operation common to the first embodiment, the overlapping descriptions are
omitted by quoting the descriptions of the first ment.
(Configuration Example of Induction Part 700)
FIGS. 8A to 8B are side views g an example of a configuration of an
induction part 700 according to the second embodiment. is an exploded ctive
view of the induction part 700 according to the second embodiment.
As shown in and the like, the induction part 700 is provided on the tip end-
side of the first guide 51, and is configured to pick up the reinforcing bar S to be bound, and
to induce and guide the same into the insertion/pulling-out opening 53 n the first guide
51 and the second guide 52. The induction part 700 has a tip end portion 700a provided to
be in contact with the ground G, and an induction surface 700b provided on a side facing the
second guide 52. The induction surface 700b is inclined so that the g width of the
insertion/pulling-out opening 53 becomes wider from the base end-side toward the tip e
of the induction part 700, and has such a shape that it is easy to pick up the reinforcing
bar S.
Further, the ion part 700 is configured to slide substantially parallel to the axis
line Ax as the tip end portion 700a presses against the ground G and to vary an amount of
protrusion with respect to the first guide 51 when performing an operation at a site where a
space between the ground G, which is an obstacle, and the reinforcing bar S is narrow. That
is, the induction part 700 is configured so that a distance between the induction part and the
contact part 11 of the second body part 302 can be varied according to the space between the
reinforcing bar S, which is a binding object, and the ground G.
[0070] Specifically, in a case of performing an operation at a site where the space between
the reinforcing bar S and the ground G is wide, as shown in , the induction part 700 is
located at the first on P1 where a distance between the tip end portion 700a and the
contact part 11 is a first distance D1, and the amount of protrusion of the ion part 700
with respect to the first guide 51 becomes large. In contrast, in a case of performing the
operation at a site where the space between the reinforcing bar S and the ground G is narrow,
as shown in , the tip end portion 700a of the induction part 700 is pressed against the
ground G, so that the induction part 700 is slid to the second position P2 where the distance
between the tip end portion 700a and the t part 11 is a second distance D2 shorter than
the first distance D1, and the amount of protrusion of the ion part 700 with respect to
the first guide 51 becomes small.
As shown in the induction part 700 is constituted by, for example, a pair of
flat plates arranged to face each other, and is fitted to outer sides of guide covers 51b and 51b.
The guide covers 51b and 51b are, for example, a pair of flat plates arranged to face each
other, for example, and are connected by pins 530 and 532 via the guide arm 51a. Note that,
the guide arm 51a and the guide covers 51b constitute the first guide 51.
The guide covers 51b and 51b are each formed with a first long hole 522 and a
second long hole 520 for movably supporting the induction part 700 between the first position
P1 and the second position P2, respectively. The first long hole 522 and the second long
hole 520 are formed substantially parallel to the axis line Ax and aligned side by side in the
front and rear direction, and are configured to regulate the moving range of the guide part 700
between the first position P1 and the second position P2.
A pin 720 is inserted into a hole 740 of the induction part 700 and the second long
holes 520 of the guide covers 51b and 51b, from one side toward the other side. Stoppers
722 and 723 for preventing the pin 720 from coming off in the axial direction are attached to
each of both end portions of the pin 720.
A pin 710 is inserted into the first long holes 522 of the guide covers 51b and 51b,
from one side toward the other side. A portion of the pin 710 exposed d from the
guide cover 51b is engaged (fitted) with a concave portion 742 of the induction part 700.
Stoppers 712 and 713 for preventing the pin 710 from coming off in the axial direction are
attached to each of both end portions of the pin 710 ed into the first long holes 522.
A tension spring 730 is provided between the guide covers 51b and 51b.One end
portion of the tension spring 730 is attached to the pin 710 and the other end portion of the
tension spring 730 is attached to the pin 530. Thereby, as shown in FIGS. 8A and 9, the pin
710 is urged by the tension spring 730 in a direction of an arrow B1 on an opposite side to the
contact member 9L, and the induction part 700 engaged with the pin 710 is held at the first
position P1 by being d in the ion of the arrow B1.
tion Example of induction Part 700)
Next, an example of an ion of the induction part 700 according to the second
embodiment is described. Note that, in a usual state, as shown in , the induction part
700 is located at the first position P1 by the urging force of the tension spring 730.
In a case where the space between the ground G and the reinforcing bar S is narrow
and the binding operation is performed, the induction part 700 is slid from the position P1 to
the second position P2 so as to reduce the amount of protrusion of the induction part 700 from
the tip end-side of the first guide 51 in the direction of the axis line Ax. Specifically, the
operator aligns the guide part 5 at an intersection place of the two reinforcing bars S, for
e, and s the tip end portion 700a of the induction part 700 against the ground G
by an operation of moving the reinforcing bar g machine 1B in a direction of inserting
the reinforcing bars S into the insertion/pulling-out opening 53.
By the ng operation, as shown in , the pin 710 is urged in a direction of
an arrow B2 by the concave portion 742 of the induction part 700 and the n spring 730
is extended, so that the pin 710 moves along the first long hole 522. The induction part 700
relatively moves relative to the first guide 51 in the direction of the arrow B2 on the contact
member 9L-side, and the tip end portion 700a moves from the first position P1 to the second
position P2. Thereby, the amount of sion of the induction part 700 from the tip endside
of the first guide 51 in the direction of the axis line Ax can be reduced, so that the
reinforcing bars S can be inserted into the insertion/pulling-out opening 53 to securely press
the contact member 9L.
On the other hand, when the rcing bar binding machine 1B is lifted away from
the ground G by the end of the binding operation of the reinforcing bars S and the tip end
portion 700a is spaced apart from the ground G, the tension spring 730 is compressed and
returns to an original state, and the pin 710 is urged in the direction of the arrow B1 (refer to
). Along with this, the induction part 700 relatively slides relative to the first guide
51 in the direction of the arrow B1 together with the pin 710, and the tip end portion 700a
returns from the second position P2 to the first position P1.
According to the second embodiment, the substantially similar effects to those of the
first embodiment can be obtained. Specifically, when performing the operation at a site
where the space between the reinforcing bars S and the ground G is narrow, the induction part
700 is slid by the ion of pressing the induction part 700 t the ground G.
Therefore, the amount of protrusion of the ion part 700 from the tip de of the first
guide 51 can be reduced. Thereby, the reinforcing bars S can be reliably inserted into the
insertion/pulling-out opening 53 between the first guide 51 and the second guide 52, and the
contact members 9L and 9R can be d by the reinforcing bars S.
Note that, in the second embodiment, the reference of the distance when the
induction part 700 is varied is the contact part 11. However, the present invention is not
limited thereto, and as described in the first embodiment, the drive unit 8, the handle parts
304hL and 304hR, which are a grip part, or the tip end portion 51a1 of the guide arm 51a may
be used as a reference.
[Third Embodiment]
An induction part 800 of a reinforcing bar binding machine 1C ing to a third
embodiment is ent from the induction part 600 of the reinforcing bar binding machine
1A according to the first embodiment, and the like, in that the induction part 800 is configured
to be manually rotatable with respect to a shaft (pin 860) provided in a direction orthogonal to
the axis line Ax. Note that, in the third ment, as for the configuration and operation
common to the first ment, the overlapping descriptions are omitted by quoting the
descriptions of the first embodiment.
(Configuration Example of Induction Part 800)
FIGS. 10A to 10C are side views g an example of a configuration of an
induction part 800 according to the third embodiment. is an exploded perspective
view of the induction part 800 according to the third embodiment.
As shown in A and the like, the induction part 800 is provided on the tip endside
of the first guide 51, and is configured to pick up the reinforcing bar S to be bound, and
to induce and guide the same into the insertion/pulling-out opening 53 between the first guide
51 and the second guide 52. The induction part 800 has a tip end portion 800a provided to
be in contact with the ground G, and an induction surface 800b provided on a side facing the
second guide 52. The induction surface 800b is inclined so that the opening width of the
insertion/pulling-out opening 53 becomes wider from the base end-side toward the tip e
of the induction part 800, and has such a shape that it is easy to pick up the reinforcing
bar S.
Further, the induction part 800 is configured to be able to vary an amount of
protrusion with respect to the first guide 51 by the operator manually rotating the induction
part 800 about a shaft (pin 860) onal to the axis line Ax as a fulcrum, when performing
an operation at a site where the space between the ground G, which is an obstacle, and the
reinforcing bar S is narrow. That is, the induction part 800 is configured so that a distance
between the ion part and the t part 11 of the second body part 302 can be varied
according to the space between the reinforcing bar S, which is a binding object, and the
ground G.
Specifically, in a case of performing an operation at a site where the space between
the reinforcing bar S and the ground G is wide, as shown in A, the induction part 800
is located at the first position P1 where a distance between the tip end portion 800a and the
contact part 11 is a first distance D1, and the amount of protrusion of the induction part 800
with t to the first guide 51 becomes large. In contrast, in a case of performing the
operation at a site where the space between the reinforcing bar S and the ground G is narrow,
as shown in C, the induction part 800 is rotated to the second position P2 where the
distance between the tip end portion 800a and the motor part 11 is a second distance D2
shorter than the first ce D1, and the amount of protrusion of the induction part 800 with
t to the first guide 51 becomes small.
As shown in , the induction part 800 is constituted by, for e, a pair of
flat plates arranged to face each other, and is fitted to the outer sides of the guide cover 51b.
Similar to the ion part 800, the guide cover 51b is also constituted by, for example, a
pair of flat plates arranged to face each other, and is fitted to the outer side of the guide arm
51a. Note that, the guide arm 51a and the guide cover 51b constitute the first guide 51.
The induction part 800 has a first engaging portion 810 that can be engaged with a
pin 850 (engaged portion), which will be described later, when the induction part 800 is at the
first position P1, and a second ng portion 820 that can be engaged with the pin 850
when the induction part 800 is at the second on P2. The first engaging portion 810 and
the second engaging portion 820 are formed by, for e, concave portions, and are each
formed at an end edge portion of the induction part 800.
The guide cover 51b is formed with a long hole 540 for moving the induction part
800 to a position where an engaged state of the first engaging portion 810 and the second
engaging portion 820 can be released. The long hole 540 is constituted by a first hole 540a
having a size into which a head portion (engaged portion) 850b of the pin 850 can be inserted,
and a second hole 540b for movably ting a shaft portion 850a of the pin 850.
A pin 880 is inserted into a hole 544 of the guide cover 51b, from one side toward the
other side. A portion of the pin 880 exposed inward from the guide cover 51b is engaged
(fitted) with a concave portion 542 of the guide arm 51a.
[0091] A pin 860 is inserted into a hole 830 of the induction part 800 and a hole 546 of the
guide cover 51b, from one side toward the other side. A stopper 862 for preventing the pin
860 from coming off in the axial ion is attached to the other end portion of the pin 860.
Thereby, the induction part 800 is adapted to be rotatable with respect to the guide cover 51b
with the pin 860 as a fulcrum.
[0092] The pin 850 is inserted into the long hole 540 of the guide cover 51b, from one side
toward the other side. The shaft portion 850a of the pin 850 is supported to be movable
along the long hole 540. The head portion 850b of the pin 850 is attached to the guide cover
51b so as to be exposed from the left and right side es of the guide cover 51b so that the
operator can grip the same.
A tension spring 870 is provided between the plates of the guide cover 51b.One end
portion of the tension spring 870 is attached to the pin 860 and the other end portion of the
tension spring 870 is attached to the pin 850. Thereby, the pin 850 is urged by the elastic
force of the tension spring 870 toward the first engaging portion 810 and the second engaging
portion 820 of the induction part 800, so that the engaged state of the first engaging portion
810 and the like of the induction part 800 by the pin 850 is maintained.
(Operation e of induction Part 800)
Next, an example of an operation of the induction part 800 according to the third
embodiment is described. Note that, in a usual state, as shown in A, the induction
part 800 is at the first position P1 as the pin 850 is engaged with the first engaging portion
In a case where the space between the ground G and the reinforcing bar S is narrow
and the g operation is performed, the induction part 800 is manually rotated from the
position P1 to the second position P2 so as to reduce the amount of protrusion of the induction
part 800 from the tip end-side of the first guide 51 in the direction of the axis line Ax.
The operator grips the head portion 850b of the pin 850, and as shown in A,
pulls the pin 850 in a direction of an arrow C1 on the contact member 9L-side of the induction
part 800 against the elastic force of the tension spring 870. Thereby, the pin 850 moves in
the direction of the arrow C1 along the long hole 540, and as shown in B, the engaged
state of the first engaging portion 810 of the induction part 800 with the pin 850 is released.
Subsequently, as shown in FIGS. 10B and 10C, the or maintains the state in
which the pin 850 is pulled, i.e., the state in which the first engaging portion 810 is
disengaged, and s the tip end portion 800a of the induction part 800 in a
counterclockwise ion (a direction of an arrow C3) on the insertion/pulling-out opening
53-side about the pin 860 as a fulcrum.
When the second engaging portion 820 is moved to the ng on of the pin
850, the force of separating the head portion 850b of the pin 850 or gripping the head portion
850b of the pin 850 is relaxed. Thereby, the tension spring 870 is compressed and returns to
the original state, and the pin 850 moves toward the second engaging n 820 in a
ion of an arrow C2, so that the pin 850 is engaged with the second engaging portion
820. By moving the tip end portion 800a from the first position P1 to the second position P2
by such an operation of the operator, the amount of protrusion of the induction part 800 from
the tip end-side of the first guide 51 in the ion of the axis line Ax can be reduced, and
the reinforcing bar S can be inserted into the insertion/pulling-out opening 53 to reliably press
the contact member 9L.
[0099] ing to the third embodiment, the substantially similar effects to those of the
first embodiment can be obtained. For example, when performing the operation at a site
where the space between the reinforcing bar S and the ground G is narrow, the induction part
900 is manually rotated before the binding ion. ore, the amount of protrusion of
the induction part 900 from the tip end-side of the first guide 51 can be reduced. Thereby,
the rcing bar S can be reliably inserted into the insertion/pulling-out opening 53
between the first guide 51 and the second guide 52, and the contact members 9L and 9R can
be pressed by the reinforcing bar S.
Note that, in the third embodiment, the reference of the distance when the induction
part 800 is varied is the contact part 11. However, the present invention is not limited
thereto, and as described in the first embodiment, the drive unit 8, the handle parts 304hL and
304hR, which are a grip part, or the tip end portion 51a1 of the guide arm 51a may be used as
a reference.
[Fourth Embodiment]
An induction part 900 of a reinforcing bar binding machine 1D according to a fourth
embodiment is ent from the induction part 600 of the reinforcing bar binding e
1A according to the first embodiment, and the like, in that the induction part 900 is configured
to be manually rotatable with respect to a shaft (pin 950) ed in a direction orthogonal to
the axis line Ax. Note that, in the fourth embodiment, as for the configuration and operation
common to the first embodiment, the overlapping descriptions are omitted by quoting the
descriptions of the first embodiment.
(Configuration Example of ion Part 900)
FIGS. 12A to 12C are side views showing an example of a configuration of an
induction part 900 according to the fourth embodiment. is an exploded perspective
view of the induction part 900 according to the fourth embodiment.
[0103] As shown in A and the like, the induction part 900 is provided on the tip endside
of the first guide 51, and is configured to pick up the reinforcing bar S to be bound, and
to induce and guide the same into the insertion/pulling-out g 53 between the first guide
51 and the second guide 52. The induction part 900 has a tip end portion 900a provided to
be in contact with the ground G, and an ion surface 900b provided on a side facing the
second guide 52. The induction surface 900b is inclined so that the opening width of the
insertion/pulling-out opening 53 becomes wider from the base end-side toward the tip endside
of the induction part 900, and has such a shape that it is easy to pick up the reinforcing
bar S.
Further, the induction part 900 is configured to be able to vary an amount of
protrusion with respect to the first guide 51 by the operator manually rotating the induction
part 900 about a shaft (pin 950; which will be described later) orthogonal to the axis line Ax
as a fulcrum, when performing an operation at a site where the space between the ground G,
which is an obstacle, and the reinforcing bar S is narrow. That is, the induction part 900 is
ured so that a distance n the induction part and the contact part 11 provided to
the second body part 302 can be varied ing to the space between the reinforcing bar S,
which is a binding object, and the ground G.
ically, in a case of performing an ion at a site where the space between
the reinforcing bar S and the ground G is wide, as shown in A and the like, the
induction part 900 is located at the first position P1 where a distance between the tip end
portion 900a and the contact part 11 is a first distance D1, and the amount of protrusion of the
induction part 900 with t to the first guide 51 becomes large. In contrast, in a case of
ming the operation at a site where the space n the reinforcing bar S and the
ground G is narrow, as shown in C, the induction part 900 is rotated to the second
position P2 where the distance between the tip end portion 900a and the contact part 11 is a
second distance D2 shorter than the first distance D1, and the amount of protrusion of the
induction part 900 with respect to the first guide 51 becomes small.
As shown in , the induction part 900 has a first engaging portion 910 that can
be engaged with a head n (engaged portion) 930b formed at a pin 930 when it is at the
first position P1, and a second engaging portion 920 that can be engaged with the head
portion 930b of the pin 930 when it is at the second position P2. The first engaging portion
910 and the second engaging portion 920 are constituted by, for example, concave portions,
and are each formed at an end edge portion of the induction part 900.
[0107] The guide cover 51b is formed with a long hole 580 for moving the induction part
800 to a position where an engaged state of the first engaging portion 810 and the second
ng portion 820 can be released. A longitudinal direction of the long hole 580 is
substantially parallel to the axis line Ax.
The induction part 900 is constituted by, for example, a pair of flat plates arranged to
face each other, and is fitted to the outer side of the guide cover 51b. r to the
induction part 800, the guide cover 51b is also constituted by, for example, a pair of flat plates
arranged to face each other, and is fitted to the outer side of the guide arm 51a.
[0109] A pin 940 is inserted into the guide cover 51b. A portion of the pin 940 exposed
inward from the guide cover 51b is engaged with a concave portion 582 of the guide arm 51a.
The pin 930 is inserted into the guide cover 51b, from one side toward the other side.
One end n of the pin 930 is ed with the head portion (engaged n) 930b
having a diameter larger than a shaft portion. The head portion 930b is exposed from one
side surface of the guide cover 51b, and can be engaged to the first engaging portion 910 and
the second engaging portion 920. A stopper 932 for preventing the pin 930 from coming off
is attached to the other end n of the pin 930. In addition, the other end portion is held
by a collar 933.
A pin 950 is inserted into the long hole 580 of the guide cover 51b and a hole 960 of
the induction part 600, from one side toward the other side. A stopper 952 for preventing the
pin 950 from coming off is attached to the other end portion of the pin 950. The induction
part 900 is adapted to be movable between the first position P1 and the second position P2
along the long hole 580 of the guide cover 51b with the pin 950 as a fulcrum.
A tension spring 990 is provided between the plates of the guide cover 51b.One end
portion of the tension spring 990 is attached to the pin 930 and the other end portion of the
tension spring 990 is attached to the pin 950. y, the induction part 900 is urged
toward the contact member 9L (an opposite direction to an arrow I1 in A) by the
tension spring 990, and the engaged state of the first ng part 910 or the like with the
head portion 930b of the pin 930 is maintained.
[0113] (Operation Example of induction Part 900)
Next, an example of an operation of the induction part 900 according to the fourth
embodiment is described. Note that, in a usual state, as shown in A, the induction
part 900 is located at the first position P1 by the urging force of the n spring 990.
In a case where the space between the ground G and the reinforcing bar S is narrow
and the binding operation is med, the induction part 900 is manually rotated from the
position P1 to the second position P2 so as to reduce the amount of protrusion of the induction
part 900 from the tip end-side of the first guide 51 in the direction of the axis line Ax.
As shown in A, the operator grips the left and right side surfaces of the guide
part 900 with fingers, for example, and pulls the induction part 900 against the elastic force of
the tension spring 990 in the direction of the arrow I1 on an opposite side to the t
member 9L. Thereby, the induction part 900 moves along the long hole 580 of the guide
cover 51b, and as shown in B, the engaged state of the first engaging portion 910 of
the induction part 900 with the head portion 930b of the pin 850 is released.
Subsequently, as shown in FIGS. 12B and 12C, the operator rotates the tip end
portion 900a of the induction part 900 about the pin 950 as a fulcrum and in the clockwise
direction (direction of an arrow I3) on an opposite side to the insertion/pulling-out opening
53, and moves the induction part to a position where the second engaging n 920 can be
engaged with the head portion 930b of the pin 930.
In this state, when the force of ting or gripping the induction part 900 is
relaxed, as shown in C, the induction part 900 moves in the direction of the arrow I2
on the contact member 9L-side by the compression of the tension spring 990, and the second
engaging portion 920 is engaged with the head portion 930b of the pin 930. By moving the
tip end portion 900a from the first position P1 to the second position P2 by such an operation
of the operator, the amount of protrusion of the induction part 900 from the tip end-side of the
first guide 51 in the direction of the axis line Ax can be reduced, and the rcing bar S can
be inserted into the insertion/pulling-out opening 53 to reliably press the contact member 9L.
[0118] According to the fourth embodiment, the substantially similar effects to those of the
first embodiment can be obtained. Specifically, when performing the operation at a site
where the space between the reinforcing bar S and the ground G is narrow, the ion part
900 is manually rotated before the binding operation. Therefore, the amount of protrusion of
the induction part 900 from the tip end-side of the first guide 51 can be reduced. Thereby,
the rcing bar S can be reliably inserted into the insertion/pulling-out g 53
n the first guide 51 and the second guide 52, and the contact s 9L and 9R can
be pressed by the reinforcing bar S.
Note that, in the fourth embodiment, the reference of the distance when the ion
part 900 is varied is the contact part 11. However, the present ion is not limited
thereto, and as described in the first embodiment, the drive unit 8, the handle parts 304hL and
304hR, which are a grip part, or the tip end portion 51a1 of the guide arm 51a may be used as
a reference.
Although the embodiments of the present disclosure have been bed in detail
with nce to the drawings, the specific uration is not limited to the present
embodiments, and includes designs and the like within a range that does not deviate from the
gist of the present disclosure. Further, the effects described in the present specification are
merely exemplary and not limited, and other effects may also be obtained.
For example, in the above-described embodiments, the examples have been
described in which the induction parts 600 to 900 or the like are applied to the reinforcing bar
binding machine 1A and the like where the first body part 301 having a grip part such as the
handle part 304hL and the second body part 302 having the twisting unit 7 and the like are
connected by the elongated connecting part 303. However, the present invention is not
limited o. For example, the above-described induction parts 600 to 900 or the like can
be applied to a guide part of a handy type reinforcing bar binding machine having a grip part
and the like provided to the second body part 302.
Further, in the described embodiments, the es in which the first guide
51 is provided with the guide parts 600 to 900 have been described. However, the present
invention is not limited thereto. For example, in a case where a length of the second guide
52 in the direction of the axis line Ax is longer than that of the first guide 51, and therefore,
the second guide 52 first comes into contact with an obstacle such as the ground G, the abovedescribed
induction part 600 or the like may be attached to the tip end-side of the second
guide 52.
Further, in the above-described embodiments, the drive unit 8 is configured to drive
the cutting unit 6, the twisting unit 7 and the like. r, the driving unit 8 may also be
configured to drive only the twisting unit 7, and the other configurations such as the cutting
unit 6 may be driven using another drive source.
Claims (13)
1. A binding machine comprising: a feeding unit configured to feed a wire; 5 a guide part configured to wind the wire fed by the g unit around a binding object; a twisting unit configured to twist the wire wound on the binding object by the guide part; and a contact part t which the binding object is butted, 10 wherein the guide part includes: a first guide configured to curl the wire around the binding object butted against the contact part; a second guide configured to guide the wire curled by the first guide to the twisting unit; and 15 an induction part provided to at least one of the first guide and the second guide, and configured to guide the binding object between the first guide and the second guide, and wherein the induction part is configured so that a distance n the induction part and the contact part is variable. 20
2. A binding machine comprising: a feeding unit configured to feed a wire; a guide part configured to wind the wire fed by the g unit around a binding object; a twisting unit configured to twist the wire wound on the binding object by the guide 25 part; and a drive unit ured to drive the twisting unit, wherein the guide part includes: a first guide configured to curl the wire around the binding object; a second guide configured to guide the wire curled by the first guide to the twisting 30 unit; and an induction part provided to at least one of the first guide and the second guide, and configured to guide the g object between the first guide and the second guide, and wherein the induction part is configured so that a distance between the induction part and the drive unit is le.
3. A binding machine comprising: 5 a feeding unit configured to feed a wire; a guide part configured to wind the wire fed by the feeding unit around a binding object; a twisting unit configured to twist the wire wound on the binding object by the guide part; and 10 a grip part adapted to be gripped by an operator, wherein the guide part includes: a first guide configured to curl the wire around the binding object; a second guide configured to guide the wire curled by the first guide to the ng unit; and 15 an induction part provided to at least one of the first guide and the second guide, and configured to guide the binding object between the first guide and the second guide, and wherein the induction part is ured so that a distance between the induction part and the grip part is variable. 20
4. A binding machine comprising: a feeding unit configured to feed a wire; a guide part configured to wind the wire fed by the feeding unit around a binding object; and a ng unit configured to twist the wire wound on the binding object by the guide 25 part, wherein the guide part includes: a first guide configured to curl the wire around the binding object; a second guide configured to guide the wire curled by the first guide to the twisting unit; and 30 an induction part provided to at least one of the first guide and the second guide, and configured to guide the g object between the first guide and the second guide, and wherein the induction part is configured so that a distance between the induction part and a tip end n of at least one of the first guide and the second guide is variable.
5. The binding machine according to any one of Claims 1 to 4, wherein the induction part is configured to rotate about a shaft extending in a direction substantially orthogonal to an axis line of the twisting unit, as a fulcrum.
6. The binding machine according to Claim 5, wherein a tip end portion of the ion part is ed on an opening-side formed between the first guide and the second guide with respect to the shaft. 10
7. The binding machine according to any one of Claims 1 to 4, wherein the induction part is configured to move substantially parallel to an axis line of the twisting unit.
8. The binding machine according to Claim 1, wherein the induction part is configured to be able to move to a first position where a ce between a tip end portion of the 15 induction part and the contact part is a first distance, and a second position where the distance between the tip end portion of the induction part and the contact part is a second ce shorter than the first distance.
9. The g machine according to Claim 2, wherein the induction part is configured 20 to be able to move to a first position where a distance between a tip end portion of the induction part and the drive unit is a first distance, and a second position where the ce between the tip end portion of the ion part and the drive unit is a second distance shorter than the first distance. 25
10. The binding machine according to Claim 8 or 9, wherein the induction part has: a first engaging portion for fixing the induction part to the first position; and a second engaging portion for fixing the induction part to the second position, and wherein at least one of the first guide and the second guide is provided with an engaged portion with which the first engaging n and the second ng portion are 30 engaged.
11. The binding machine according to Claim 10, wherein the induction part is rotated about a shaft extending in a direction substantially orthogonal to an axis line of the twisting unit, as a fulcrum so that the first engaging portion or the second engaging portion is caused to engage with the engaged portion.
12. The g machine according to Claim 8 or 9, wherein the induction part is held at 5 the second position by a holding member when the induction part is moved from the first position to the second position.
13. The binding machine ing to Claim 2, comprising: a first body part; 10 a second body part; and an elongated connecting part configured to connect the first body part and the second body part, wherein the twisting unit and the drive unit are provided inside the second body part, the first guide and the second guide are provided at an end portion on an opposite 15 side to the connecting part connected to the second body part, and the induction part is provided on a tip end-side of at least one of the first guide and the second guide.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021-021732 | 2021-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
NZ785115A true NZ785115A (en) | 2022-02-25 |
Family
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