JP2003285802A - Binding apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a binding apparatus which can be miniatualized and reduce the installation space therefor. <P>SOLUTION: At an upper part of a pressurization plate 44, a traveling body 35 capable of traveling upward and downward is provided. The traveling body 35 is equipped with a third chute and a first chute 31 capable of moving upward and downward by means of a rodless cylinder. The first chute 31 moves down along with the lowering of the traveling body 35, and furthermore, a second chute 32 is moved upward by the driving of a rodless cylinder C6, thereby a chute part 30 is formed around a portion to be bound of a wire coil 41 placed on a placement base 40. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a binding device for binding a wire rod coil formed by winding a continuous wire rod made of, for example, rolled carbon steel or stainless steel into a coil shape.

[0002]

2. Description of the Related Art Conventionally, a binding device is used to bind a wire rod formed by rolling a continuous wire rod made of rolled steel such as carbon steel, stainless steel, or other nonferrous metal into a coil shape. ing.

FIG. 10 is a front view schematically showing a part of the structure of a conventional binding device. The binding device 1 binds a wire coil 21 placed with its one open end in contact with a strap 22 at a predetermined position on an installation base 20 installed on a floor or the like in a factory. A frame F that forms the skeleton of the binding device 1 is erected at a predetermined position outside the wire coil 21 placed on the installation frame 20.
A pressure plate 24 for axially pressing the wire rod coil 21 placed on the installation frame 20 is attached to the frame F so as to be movable in the vertical direction (that is, the axial direction of the wire rod coil 21). The pressurizing plate 24 is a hydraulic cylinder C2 embedded in the ground below the floor on which the installation frame 20 is installed.
Etc. are joined to the tip of a rod R2, and the pressure plate 24 is driven in the vertical direction by driving the hydraulic cylinder C2.

Further, the binding device 1 is provided with a guide groove portion 10 serving as a guide groove for winding the strap 22 around the bound portion of the wire coil 21. The guide groove portion 10 is a long first guide groove member 1 for guiding the strap 22 axially outside the wire rod coil 21.
1, an elongated second guide groove member 12 for guiding the strap 22 along the axial direction inside the wire coil 21, and the upper side of the first guide groove member 11 and the second guide groove member 12 are connected to each other. Guide groove member 13 having a semi-circular shape for
And a fourth guide groove member 14 having a semi-circular shape for connecting the lower side.

The first guide groove member 11 and the third guide groove member 13 project laterally from the frame F with the upper end of the first guide groove member 11 connected to one end of the third guide groove member 13. The base end portion is fixedly attached to the rod-shaped beam member 25 fixed to the frame F. Also, the first
The lower end of the guide groove member 11 sends out the strap 22,
It is located near the upper part of a so-called head 23 provided for performing tightening and cutting. In addition, the beam member 25 is above the pressure plate 24 and does not interfere with the pressure plate 24 that is driven in the vertical direction.
It is attached at an appropriate position outside the driving range of No. 4. The third guide groove member 13 having a semicircular arc shape is attached to the beam member 25 with the inner diameter side facing downward.

The fourth guide groove member 14 is mounted on the installation base 20.
Is fixedly attached at a position facing the third guide groove member 13 on the lower surface thereof with the inner diameter side facing upward.

The second guide groove member 12 is joined to the tip of a rod R1 of the hydraulic cylinder C1 in the vicinity of the tip thereof, and the second guide groove member 12 is arranged in a substantially vertical direction from the floor on which the installation base 20 is installed together with the hydraulic cylinder C1. It is buried inside. Therefore, the pressure plate 24 is driven in the vertical direction by driving the hydraulic cylinder C1.

In the case of the conventional binding device 1 having such a structure, the hydraulic cylinder C1 is driven while the wire rod coil 21 is placed at a predetermined position on the installation stand 20, and the second guide together with the rod R1. The groove member 12 is raised. The upper end of the raised second guide groove member 12 is the beam member 2
5 is connected to the other end of the third guide groove member 13.
Further, the lower end of the second guide groove member 12 is connected to one end of the fourth guide groove member 14.

Therefore, the first guide groove member 11, the second guide groove member 12, the third guide groove member 13, and the fourth guide groove member are provided around the bound portion which is a part of the wire rod coil 21 in the circumferential direction. A guide groove portion 10 composed of 14 is formed. The strap 22 is fed from the head 23 into the guide groove portion 10 thus formed. That is, the tip of the strap 22 sent out from the head 23 rises along the first guide groove member 11, changes its direction according to the shape of the third guide groove member 13, and subsequently the second guide groove member 12 Along the shape of the fourth guide groove member 14, the direction is changed again to reach the head 23. Head 23
When the sent-out strap 22 returns from the fourth guide groove member 14 side, the strap 22 is held and tightened, joined, and separated. In this way, the wire rod coil 21 is bound by the strap 22.

[0010]

By the way, the guide groove portion 1 is provided.
Since 0 is for guiding the strap 22 around the portion of the wire rod coil 21 to be bound, when the binding device 1 is downsized and the installation space of the binding device 1 is reduced, the guide It is desirable that the groove 10 is formed in the narrowest possible range around the portion to be bound.

However, in the case of the conventional binding device 1 as described above, since the third guide groove member 13 is fixedly attached to the frame F, there is an obstacle to the pressing plate 24 that is driven in the vertical direction. The pressure plate 24
It is necessary to provide it considerably above the mounting position (for example, a height h1 above the installation base 20 in FIG. 10).

The second guide groove member 12 is provided on the installation base 2
Third guide groove member 1 provided at a height h1 above 0
3 and the fourth guide groove member 14 provided on the lower surface of the installation base 20 must be connected at the upper end and the lower end, respectively, so that the second guide groove member 12 is considerably long. Therefore, the hydraulic cylinder C1 inevitably becomes long and must be deeply buried vertically below the installation stand 20, which causes a problem that the space for installing the binding device 1 becomes vast. It was

Further, the hydraulic cylinder C1 used to drive the second guide groove member 12 is generally a relatively large device, which is one of the causes of hindrance in reducing the installation space of the binding device 1. It was

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a bundling device which can reduce the size of the device itself and the installation space.

[0015]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a binding device according to the present invention is a pedestal on which a wire coil is placed with its open ends in contact with each other. A guide groove portion for guiding the binding strap around the bundled portion of the wire coil, and a pressing portion for pressing the wire coil from one side to the other side in the axial direction, are guided by the guide groove portion. In a binding device for binding the bound portion of the wire rod coil with a binding strap
The guide groove portion includes a first guide groove member for guiding the binding strap along the axial direction outside the wire rod coil, and a first guide groove member for guiding the binding strap along the axial direction inside the wire rod coil. A second guide groove member movably provided along the axial direction and the one side of the first guide groove member and the second guide groove member to the one side and the other side with respect to the gantry. And a fourth guide groove member provided on the other side of the pressurizing portion so as to connect the other side of the first guide groove member and the second guide groove member. A moving body that includes the first guide groove member and a third guide groove member and is movable in the axial direction, is provided on the one side of the pressing portion, and the moving body is located on the other side. And the second guide groove member is positioned on the one side. By doing so, the one side of the first guide groove member and the second guide groove member is connected by the third guide groove member, the other side is connected by the fourth guide groove member, and the wire rod coil A guide groove is formed around the portion to be bound.

With this structure, the movable body to which the third guide groove member is attached can be movably provided with respect to the frame, and the distance between the third guide groove member and the fourth guide groove member can be increased. Since the first guide groove member can be shortened as compared with the conventional one, it is possible to reduce the size of the binding device and save space when installing the binding device. .

According to the present invention, the first guide groove member is provided on the movable body via a rodless cylinder, and /
Alternatively, the second guide groove member is provided via a rodless cylinder.

With such a structure, since the rodless cylinder that requires a smaller installation space than that of the hydraulic cylinder is used, it is possible to further reduce the size of the binding device and save the space for installation. .

Further, the present invention further comprises a second guide groove member drive section for driving the second guide groove member from the inside of the wire rod coil to the outside in the radial direction, and the second guide groove member includes: An inner shaping member for pressing the inside of the wire rod coil to shape the wire rod coil is provided.

With such a structure, as described above, it is possible to reduce the size of the binding device and to save space when installing the binding device, and at the same time, the internal shaping member provided in the second guide groove member can be used. The wire coil can be shaped from the inside.

Further, according to the present invention, the pressurizing portion is provided with an outer shape shaping portion for shaping the wire rod coil from the outside.

With such a configuration, as described above, it is possible to reduce the size of the binding device and to save space when installing it, and at the same time, the wire shaping coil is provided by the outer shape shaping portion provided in the pressing portion. Can be shaped by pressing from the outside.

Further, in the present invention, the outer shape adjusting portion presses the outer shape of the wire rod coil, and the first drive portion for driving the outer shape adjusting member from the outer side to the inner side of the wire rod coil. And a second drive unit for driving the contour shaping member in the axial direction.

With such a structure, the outer shape adjusting member can be driven, for example, from the lower side to the upper side in the axial direction while the outer shape adjusting member is in contact with the outside of the wire rod coil. The outside of the coil can be shaped into a smooth shape.

Further, according to the present invention, the outer shape shaping member is provided with a plurality of protrusions on a surface which is pressed to the outside of the wire coil.

With this structure, the plurality of protrusions provided on the outer shape adjusting member are brought into contact with the outside of the wire rod coil, and the outer shape adjusting member is driven in the vertical direction as described above. By this, the protrusion can smooth the outside of the wire rod coil into a smoother shape, and can shape the wire coil into a more preferable shape.

[0027]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 are drawings showing an example of a schematic configuration of the binding device 3 according to the present embodiment, FIG. 1 is a front view of the binding device 3, and FIG. 2 is a plan view of the binding device 3. . The bundling device 3 includes a strap 42 for a wire coil 41 which is placed at a predetermined position on an installation stand 40 installed on a floor or the like in a factory with one open end in contact.
Is bound by. The wire coil 41 is hung and carried by a carrier 45 from another place in the factory, for example, installed on the installation stand 40 and fixed by a stopper or the like.

The bundling device 3 has an imaginary central axis C which coincides with the central axes of the wire rod coils 41 mounted on the installation stand 40.
The frames Fa and Fb, which form a skeleton of the bundling device 3 and have a substantially rectangular columnar shape, are provided so as to sandwich the frame. The frame Fa,
As shown in FIG. 1, the Fb has a configuration in which the central axis C is sandwiched and the Fb is bilaterally symmetrical in a front view. In addition, the binding device 3 according to the present embodiment, like the frames Fa and Fb,
The other configurations are also symmetrical in a front view. Therefore, in the following description of the binding device 3, only the configuration on the frame Fa side (that is, the configuration on the right side of the central axis C in front view) will be performed. The central axis C also coincides with the designed central axis of the binding device 3.

On the frame Fa, a pressure plate 4 for axially pressing the wire rod coil 41 mounted on the installation frame 40.
4 is movably attached in the vertical direction (that is, in the axial direction of the wire rod coil 41). The pressure plate 44 has an L-shape that is laterally reversed in a front view, and has a substantially rectangular shape in a plan view. Further, the pressure plate 44 is one end portion in a front view, and a substantially rectangular cutout portion 44h is formed at an intermediate position on one long side of the rectangular shape in a plan view. The pressure plate 44 has the cutout portion 44h at the center axis C.
The frame Fa is attached to the frame Fa so as to be vertically movable along a guide 46 provided on the frame Fa. Further, the pressure plate 44 is joined to the tip of a rod R3 of a hydraulic cylinder C3 provided below the floor on which the installation stand 40 is installed, and the pressure plate is driven by the hydraulic cylinder C3. 44 is driven in the vertical direction along the guide 46.

An outer shape shaping unit 50 for shaping the outer shape of the wire rod coil 41 is attached to the lower surface of the pressure plate 44. FIG. 3 shows the outer shape shaping unit 50.
2 is a schematic front view showing an example of the configuration of FIG.

As shown in FIG. 3, the outer shape shaping unit 50 includes a main body member 54. The body member 54 is
The parallel portion 52 that is parallel to the lower surface of the pressure plate 44, and the pressure plate 4
4 and a vertical portion 53 that is perpendicular to the lower surface, and has an L-shape that is vertically inverted in a front view. The body member 54
Is a linear guide 51 laid on the lower surface of the pressure plate 44.
It can be moved along the radial direction of the wire rod coil 41 (see arrow A1 in the figure).

A hydraulic cylinder C4 is attached to a predetermined position on the lower surface of the pressure plate 44 outside the guide 51 in the radial direction. The tip of the rod R4 of the hydraulic cylinder C4 is joined to the parallel portion 52 of the main body member 54. Therefore, by driving the hydraulic cylinder C4, the main body member 54 is driven in the direction of arrow A1 along the guide 51.

A hydraulic cylinder C5 is mounted on the surface of the vertical portion 53 of the main body member 54 opposite to the central axis C. Further, a plate-shaped shaping member 56 having a plurality of protrusions 55, 55, ... on its surface is provided on the surface of the vertical portion 53 on the side of the central axis C. The shaping member 56 is attached so as to be movable in the vertical direction (see arrow A2 in the drawing) along a guide 57 laid on the side of the central axis C in the vertical portion 53 of the main body member 54. The tip of the rod R5 of the hydraulic cylinder C5 is joined to the shaping member 56. Therefore, by driving the hydraulic cylinder C5, the shaping member 56 is driven in the direction of arrow A2.

Thus, the outer shape shaping unit 50
Can be moved in the radial direction by driving the hydraulic cylinder C4, and can be moved in the vertical direction by driving the hydraulic cylinder C5.

Now, let us return to the description of the binding device 3 shown in FIGS. 1 and 2 again. The bundling device 3 is provided with a moving body 35, which is an upper part of the frame Fa and above the pressing plate 44, which can move in the vertical direction along the frame Fa. The moving body 35 has a substantially L shape in which right and left are reversed in a front view, has a substantially rectangular shape in a plan view, and has a shape that fits the upper portion of the pressure plate 44. Further, the moving body 35 has a substantially rectangular cutout portion 35h formed at one end portion in a front view and at an intermediate position on one long side of the rectangular shape in a plan view. Furthermore, the moving body 3
5 has slits 35s, 35s extending from the cutout portion 35h to the vicinity of both end portions of other long sides in a plan view.

The movable body 35 is provided with rails (not shown), and the frame Fa is provided with a linear guide (not shown) adapted to the rails.
Can move up and down along the straight line guide. The moving body 35 that descends downward is stopped at an appropriate height by a stopper 36 attached to the frame Fa.

Further, the binding device 3 is provided with a chute portion 30 which serves as a guide groove for winding the strap 42 around the binding portion of the wire rod coil 41. The chute portion 30 includes a long first chute (first guide groove member) 31 for guiding the strap 42 along the outer side of the wire rod coil 41 along the axial direction, and a strap inside the wire rod coil 41 along the axial direction. 42 long second to guide 42
A chute (second guide groove member) 32, and a third chute (third guide groove member) 33 having a semi-circular shape for connecting the upper sides of the first chute 31 and the second chute 32,
It is composed of a fourth chute (fourth guide groove member) 34 having a semi-circular shape for connecting the lower side.

The first chute 31 and the third chute 3
3 is provided in the moving body 35 described above. That is, the moving body 35 accommodates a rodless cylinder (not shown) with its longitudinal direction aligned with the vertical direction. The first
The chute 31 is supported by the rodless cylinder. Therefore, by driving the rodless cylinder, the first chute 31 can be moved in the vertical direction with respect to the lower surface of the moving body 35.

The third chute 33 is provided along the slit 35s formed in the moving body 35 with its inner diameter side facing downward in plan view. When the first shoot 31 descends to the bottom,
The position of the upper end of the first chute 31 and the third chute 3
The position of one end of No. 1 substantially coincides. Further, at an appropriate position on the central axis C side of the moving body 35, a guide roller 61 for holding the second chute 32 rising from below as described later, and the guide roller 6 are provided.
A hydraulic cylinder 38 for pulling 1 in a direction away from the central axis C is attached.

The fourth chute 34 is provided on the lower surface of the installation base 41 so that the inner diameter side thereof faces upward and faces the third chute 33. In addition, a so-called head 43 for feeding, tightening, and cutting the strap 42 is provided near the installation base 40. The head 43 is movable in the radial direction around the central axis C. Therefore, the head 43
When the lower part of the first chute 31 is located at a position corresponding to one end of the fourth chute 34, the moving body 35 and the first chute 31 are both located at the lowermost end, so that the first chute 31
Bottom end of the head reaches the upper part of the head 43.

A guide roller 63 and a rodless cylinder C6 whose longitudinal direction is aligned in the vertical direction are provided below the installation base 44 inside the wire rod coil 41 mounted on the installation base 44. It is equipped. The second chute is supported by the guide roller 63 and the rodless cylinder C6. Therefore, by driving the rodless cylinder C6, the second chute 32 is driven in the vertical direction with the installation surface of the installation stand 40 as a reference.

When the second chute 32 moves up to the uppermost end and the moving body 35 moves down to the lowermost end (until it abuts on the stopper 36), the upper end of the second chute 32 moves to the moving position. The height of the body 35 can be reached, and the upper end of the second chute 32 is supported by the guide roller 61 included in the moving body 35 as described above.

Further, the second chute 32 is provided with an inner shape shaping member 65 for shaping the shape of the wire rod coil 41 from the inside. FIG. 4 is a schematic plan view showing an example of the structure of the inner shape shaping member 65. As shown in FIG. 4, the inner shape shaping member 65 includes the second chute 3
It is a long member that is substantially channel-shaped in plan view so as to surround and surround 2 inside, and both ends in plan view contact the inside of the wire coil 41 to shape the inner shape. Abutting portions 65a, 65a.

The guide roller 63 is driven in a direction away from the central axis C by a hydraulic cylinder 64 provided below the installation base 40. Therefore, the second shoot 3
When 2 moves up to the uppermost end and the upper end is held by the guide roller 61 included in the moving body 35, the guide rollers 61 and 63 are driven to drive the second chute 32.
At the same time, the inner shape shaping member 65 is driven in a direction away from the rotation axis C, and the abutting portion 65 a is abutted on the inside of the wire rod coil 41.

When the second chute 32 rises to the uppermost end and the upper end of the second chute 32 is held by the guide roller 61, the upper portion of the inner shape shaping member 65 has the shaping member 56 provided in the outer shape shaping unit 50. To face. Therefore, since the wire rod coil 41 is sandwiched between the inner shape shaping member 65 and the shaping member 56, the shape can be shaped without causing the wire rod coil 41 to lose its shape.

In the bundling device 3 having such a structure, the operation of each cylinder and the like is controlled by a control device (not shown), and the part of the wire coil 41 to be bound is strapped to the strap 42.
Can be united by.

Next, the flow of the operation in the case of using the binding device 3 according to the present embodiment as described above to bind the portion to be bound of the wire rod coil 41 with the strap 42 will be described. FIG. 5 is a time chart for explaining the operation flow of the binding device 3. In addition, FIG. 6 to FIG.
It is a reference drawing showing operation of binding device 3.

First, the wire rod coil 41 has the carrier 45.
It is transported in the state of being hung on the installation base 4 of the binding device 3.
It is fixed at a predetermined position at 0 (time t0 to t
3). When the fixing of the carrier 45 is completed, the pressing plate 44 starts to descend at high speed (time t3 to t16) and continues to descend until the pressing plate 44 contacts the upper end surface of the wire rod coil 41 (see arrow S1 in FIG. 6). ).

Further, the fixing of the carrier 45 is completed (time t
3) At the same time, the head 43 is advanced by the first step (see arrow S2 in FIG. 6). That is, the head 43, which is separated from the central axis C at a distance, reaches a position where it can be connected to the fourth chute 34 and the first chute 31 that descends later by moving forward (time t6).

Further, the fixing of the carrier 45 is completed (time t
3) At the same time, the second shoot 32 rises (time t3 to t
12, the arrow S3 in FIG. 6) and the lowering of the first shoot 31 (time t3 to t11, see the arrow S4 in FIG. 6) are executed.

That is, the moving body 35 descends together with the pressing plate 44 (see arrow S5 in FIG. 6), and the rodless cylinder provided in the moving body 35 is driven, so that the first chute 31 moves the wire rod coil 41. Begins to descend through the outside (time t3). The moving body 35 contacts the stopper 36,
The first chute 31 that has descended to the lowermost end is connected to the head 43 whose lower end has advanced by the first step. Further, as the rodless cylinder C6 is driven, the second chute 32 starts moving upward through the inside of the wire rod coil 41 (time t3). The upper end of the second chute 32, which has risen to the uppermost end, has a moving body 35 stopped by a stopper 36.
It is held by the guide roller 61 included in the.

In this manner, the chute portion 30 is formed around the bundled portion of the wire rod coil 41 at the time t12.

Next, when the formation of the chute portion 30 is completed (time t12), the hydraulic pumps 38 and 64 are driven, and the inner shape shaping member 65 shapes the inner shape of the wire rod coil 41 ( Times t12 to t14, see arrow S6 in FIG. 7).

When the shaping of the inner shape of the wire rod coil 41 is completed (time t14), the strap 42 is sent out from the head 43 (time t14 to t20). The strap 42 sent from the head 43 includes a first chute 31, a third chute 33, a second chute 32, and a fourth chute 34.
In order of, and reaches the head 43 again (time t2
0, see arrow S7 in FIG. 7).

The head 43 grips the strap 42 guided from the fourth chute 34 and opens the face gate provided (time t20 to t22). At this point, the strap 42 is wound around the bound portion of the wire coil 41.

Further, while the strap 42 is being sent out, the pressing plate 44, which has descended at a high speed, reaches the vicinity of the wire rod coil 41 and stops (time t16). Pressure plate 44
When the high speed lowering of the wire rod 41 is completed, the outer shape shaping unit 50 provided under the pressure plate 44 starts to be driven, and the hydraulic cylinders C4 and C5 are driven to shape the outer shape of the wire rod coil 41 (time t16). ~ T19, arrow S in FIG.
8 and arrow S9).

When the shaping of the outer shape of the wire rod coil 41 is completed (time t19) and the feeding of the strap 42 is completed (time t20), the wire rod coil 41 is pressed, so that the pressure plate 44 moves at a low speed (high). (Torque) (time t20 to t23, see arrow S10 in FIG. 9).

When the low-speed lowering of the pressure plate 44 is completed and the wire rod coil 41 is pressed (time t23), the head 43 moves forward again with the face gate open (from time t23).
t25, see arrow S11 in FIG. 9), and at the same time the head 43
Tightens the strap 42 at high speed (time t23-
t28). When the head 43 tightens the strap 42, the strap 42 is removed from the chute portion 30 and wound around the portion of the wire coil 41 to be bound.

Next, the head 43 tightens the strap 42 at a low speed (high torque) (time t28 to t32).
At the same time when the strap 42 is tightened at a low speed, the second chute 32, which has finished its role, descends (time t28 to t4).
0) and the rise of the first shoot 31 (time t28 to t3)
6) is started. Second shoot 3 descended to the bottom
2 and the first chute 31 that has risen to the uppermost end return to the state before the binding device 3 starts operating, that is, the state before time t3.

When the low-speed tightening of the strap 42 by the head 43 is completed (time t32), the head 43 is
Notch and cut the strap 42 (time t32
(T37 to t37), the vehicle moves backward to finish the role and return to the state before time t3 (time t37 to t42). The time when the notch and the cut of the strap 42 are completed (time t3
In 7), the wire coil 41 is finally bound by the strap 42.

Further, the pressure plate 44 rises (from time t38 onward).
At t50, the carrier 45 is opened (at times t38-4).
1), one round of the binding device 3 is completed.

Thus, the binding device 3 according to the present embodiment
According to the above, while the moving body 35 can be lowered,
Since the first chute 31 provided on the moving body 35 can also be lowered, the vertical size of the chute portion 30 can be reduced as compared with the conventional case. Therefore, the length of the second chute 32 provided below the installation base 41 can also be shortened, and the bundling device 3 can be downsized, the installation space can be downsized, the time cycle of one round of the operation can be shortened, and the bundling device 3 can be shortened. It is possible to reduce the manufacturing cost.

Further, since the rodless cylinder is used instead of the conventional hydraulic cylinder, it is possible to further reduce the binding device 3 and its installation space.

Furthermore, since the second chute 32 is provided with the inner shape shaping member 65 and the lower portion of the pressure plate 44 is provided with the outer shape shaping unit 50, in addition to the above effects, the strap is also provided. The shape of the wire rod coil 41 bundled by 42 can be appropriately shaped, the uniformly shaped wire rod coil 41 can be provided, and the collapse of the load can be prevented.

[0065]

According to the present invention, it is possible to provide a binding device which can reduce the installation space and the manufacturing cost.

[Brief description of drawings]

FIG. 1 is a front view of a binding device according to the present invention.

FIG. 2 is a plan view of the binding device according to the present invention.

FIG. 3 is a schematic front view showing an example of a configuration of an outer shape shaping unit included in the binding device.

FIG. 4 is a schematic plan view showing an example of a structure of an inner shape shaping member included in the binding device.

FIG. 5 is a time chart for explaining the operation flow of the binding device.

FIG. 6 is a reference drawing showing the operation of the binding device.

FIG. 7 is a reference drawing showing the operation of the binding device.

FIG. 8 is a reference drawing showing the operation of the binding device.

FIG. 9 is a reference drawing showing the operation of the binding device.

FIG. 10 is a front view schematically showing a configuration of part of a conventional binding device.

[Explanation of symbols]

3 binding device 30 Shoot section 31 First Shoot 32 Second Shot 33 Third Shoot 34 4th shoot 35 Mobile 41 wire coil 42 strap 43 heads 44 Pressure plate 45 career 50 External shape shaping unit 51,57 guide 54 body member 55 Projection 56 Orthopedic member 61, 63 Guide roller 64 hydraulic cylinder 65 Internal shape shaping member C3, C4, C5 hydraulic cylinder C6 rodless cylinder Fa, Fb frame

Claims (6)

[Claims] 1. A gantry on which the wire rod coil is placed with its open end in contact, a guide groove portion for guiding a binding strap around a portion to be bound of the wire rod coil, and the wire rod coil on one side in the axial direction. From the wire rod coil to the other side, and the guide groove portion is provided outside the wire rod coil in the binding device for binding the bundled portion of the wire rod coil by the binding strap guided by the guide groove portion. A first guide groove member for guiding the binding strap along the axial direction, and to the one side and the other side with respect to the gantry so as to guide the binding strap along the axial direction inside the wire rod coil. A second guide groove member movably provided along the axial direction, and a third guide groove member for connecting the one side of the first guide groove member and the second guide groove member. A fourth guide groove member provided on the other side of the pressurizing section so as to connect the other side of the first guide groove member and the second guide groove member, and the one side of the pressurizing section And a movable body that includes the first guide groove member and the third guide groove member and is movable in the axial direction. The movable body is located on the other side, and the second guide groove member is By being located on one side, the one side of the first guide groove member and the second guide groove member is connected by the third guide groove member, and the other side is connected by the fourth guide groove member. A bundling device, wherein a guide groove is formed around a portion of the wire coil to be bound. 2. The first guide groove member is provided on the movable body through a rodless cylinder, and / or the second guide groove member is provided through a rodless cylinder. The binding device according to claim 1. 3. A second guide groove member driving section for driving the second guide groove member from the inside of the wire rod coil to the outside in the radial direction, wherein the second guide groove member has a wire rod coil An internal shaping member for pressing the inside to shape the wire coil is provided.
Or the binding device according to 2. 4. The binding device according to claim 1, wherein the pressurizing portion is provided with an outer shape shaping portion for shaping the wire rod coil from the outside. 5. The outer shape adjusting unit presses the outer shape of the wire rod coil, an outer shape adjusting member, and a first drive unit for driving the outer shape adjusting member from the outer side to the inner side of the wire rod coil. The binding device according to claim 4, further comprising a second drive unit for driving the outer shape shaping member in the axial direction. 6. The bundling device according to claim 5, wherein the outer shape shaping member is provided with a plurality of protrusions on a surface that presses the wire rod coil to the outside.