JPH09272508A - Binding apparatus for long materials - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange crossing states of a predetermined number of long materials before a binding process and bind them into a predetermined form by raising/lowering a V-shaped table and a rotating arm-type belt fastening device to apply impulse to works for shaping a cross-sectional state of assembled works and providing first and second drivers for arranging the long materials in parallel. SOLUTION: First, V-shaped tables 11a, 11b of a shaping means primarily raise works Z by a first driver 16 in the vicinity of a center in a lengthwise direction from downward to a receive 41 height for transferring and supporting. In the V-shaped tables 11a, 11b with the works Z transferred, three rotating arm-type belt fastening devices 31 together with a frame 32 placed in a line are secondarily raised by a second driver 34 to apply impulse to the works Z. Thus crossing states of the works Z are arranged by the impulse at the center supported by the V-shaped tables 11a, 11b, so that they are swung and arranged free from constraint off from the receive 41 at both ends.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a long material concentrating device, and more particularly, to a work of a predetermined number of long materials using specific shaping means, deforming means, and embracing means, which are further required. Accordingly, the present invention relates to an elongate material converging device for concentrating into a predetermined shape by using specific bundling means and holding means.

[0002]

2. Description of the Related Art A long material such as a pipe or a rod is provided with a predetermined number of binding bands for simplification of work at shipping, prevention of collapse of load during transportation, prevention of damage during storage and convenience of management. Is bound by. In order to perform such bundling so that the bundling appearance is sufficiently strong, it is necessary to bundle a predetermined number of long-length workpieces into a predetermined shape prior to the bundling step. However, long materials often cross each other in the longitudinal direction, and because there is frictional resistance between the long materials, it is possible to eliminate the crossing condition sufficiently and form a completely parallel condition, so that focusing near a circular shape is not possible. It was difficult.

In order to solve such problems, many focusing devices have been proposed. For example, a method of tightening a long material group with a wire and shaping it into a circular shape (Japanese Patent Laid-Open Publication No. 6-58242).
No. 0-242131 and Japanese Patent Laid-Open No. 62-4026), a method of applying vibration to a long material group received on a bucket and pressing it with a pressing plate from the side surface to shape it (Japanese Patent Laid-Open No. 3-112126). (Japanese Patent Laid-Open No. 5-305512), a method of placing a long material group in an arcuate holder, and rotating or raising and lowering the holder to shape the same (JP-A-5-330512), and an aligning and feeding device formed by a loop belt. A method of shaping with a hugging device composed of an inclined table and a support (JP-A-7-10125)
And the like. However, none of the conventional techniques is satisfactory, and further improvements have been demanded.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a long material focusing device for aligning a predetermined number of long materials, which are in a crossed state, prior to a binding process and focusing them into a predetermined shape. And

[0005]

As a means for technically solving the above-mentioned problems, the present invention is a carrying means comprising a conveyor for carrying a predetermined number of long workpieces on a cradle. Shaping means for transferring the work placed on the pedestal to shape the cross-sectional state of the work set on a V-shaped base formed by a pair of doglegged arms formed by advancing and retreating in opposite directions.
A first drive device for raising and lowering the V-shaped table, and one end of a rod installed below the work piece is pivotally supported and the other end is rotated in the cross-section direction of the work piece, and the work piece is moved up and down by contacting the work piece from below the work piece. By means of a deforming means for deforming the cross-sectional state of the work aggregate, one end of the belt is connected to the tip of an arm that rotates in the work cross-sectional direction, and the other end of the belt is connected to adjusting means for adjusting the belt tension constant. The moving arm belt tightening device is provided with a hugging means that is installed opposite to each other in a bidirectional manner, and a second drive device that raises and lowers a frame in which the V-shaped base and the rotating arm belt tightening device are lined up. , The first drive device and the second drive device,
It is characterized in that the V-shaped table and the rotary arm type belt tightening device are moved up and down to apply an impulse to the work to shape the cross-sectional state of the work collective and to align the long materials in parallel. The main point is a long material concentrator. Further, a structure is provided which comprises a bundling means for bundling the cross-sectional state of the work set by a pair of pressing plates that move forward and backward in the horizontal direction from both sides in the cross-sectional direction of the work, and a U guide that presses the collected work from above. A gist of a long material converging device configured to include a holding means for holding a state of a collective cross section of a work.

[0006]

DETAILED DESCRIPTION OF THE INVENTION An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a layout view of a long material focusing device of the present invention. In this long material converging device, a V-shaped base 11 that constitutes the shaping means 1 and a rod 21 that constitutes the deformation means 2.
And a rotating arm type belt tightening device 31 that constitutes the embracing means 3 are the main constituent elements.

Of these, the V-shaped table 11 includes six groups 11a and 11
b, 11c, 11d, 11e, 11f, and the rod 21
Is provided with four groups 21a, 21b, 21c, 21d, and the rotating arm type belt tightening device 31 has seven groups 31a, 31b,
31c, 31d, 31e, 31f, 31g are installed. These are installed in the transport path of the conveyor 4 that transports the work Z in the direction orthogonal to the longitudinal direction. The conveyor 4 is provided with a receiving stand 41 at intervals, and a work is placed on the receiving stand 41 and conveyed. The conveyor 4 intermittently moves a predetermined distance, and each of the above means is installed at a position where the pedestal 41 installed on the conveyor 4 stops, and is set so that the focusing work is completed between moving times. ing. Two series of conveyors 4 are arranged in parallel at both ends of the work, and the arrangement of the conveyor 4 and the long material concentrating device is as follows.

One rotating arm type belt tightening device 3
1a is arranged so that the rotation direction of the rotation arm is orthogonal to the workpiece, and one rotation arm type belt tightening device 31b, 31c is installed on each side of the rotation arm 1a so as to face each other. Make up a set. The V-shaped bases 11a are provided on both sides of the three rotating arm type belt tightening devices 31 that are provided opposite to each other.
11b are arranged side by side, three rotating arm belt tightening devices 31 and two V-shaped bases 11 are mounted on a frame 32, and the frame 32 can be moved up and down by a second drive device 34. The frame 32 is arranged at the center of the two series of conveyors 4. Rods 21 a and 21 b are provided on both sides of the frame 32. Further, V-shaped stands 11c and 11d are provided on both outer sides thereof, and a conveyor 4 is installed on both outer sides thereof. On both outsides of the conveyor 4, two rotating arm type belt tightening devices 31d, 3 are provided.
1e are installed opposite to each other to form one set and mounted on the frame 33a, and two rotating arm type belt tightening devices 31f,
A pair of 31ge is installed to form a set and is mounted on the frame 33b. The rods 21c are arranged side by side on the outside of the frame 33a, and the rods 2c are arranged on the outside of the frame 33b in parallel.
1d is provided, and V-shaped stands 11e and 11f are installed at both ends. Hereinafter, each means will be sequentially described in detail.

FIG. 2 shows the shaping means 1, and 12 is a pair of dog-legged arms that advance and retreat in both directions, and are configured to advance and retract in opposite directions to form a V-shaped base 11. There is. The V-shaped arm 12 is formed of a bottom plate having a straight portion and an inclined plate that is continuous with the bottom plate and is bent at an obtuse angle with respect to the bottom plate. By vertically arranging the inclined plates of the doglegged arms 12 and facing the pair from opposite directions and advancing and retracting in opposite directions, both inclined plates form a V shape, and the bottom plate and the V shape. It is possible to obtain one V-shaped base 11 composed of the inclined plate. V-shaped arm 1
2 rotates the screw rod 14 by the drive motor 13,
It is connected to a female screw block 15 screwed into the screw rod 14 so that it can be moved back and forth. The length of the bottom side of the V-shaped base 11 formed by advancing and retracting the pair of V-shaped arms 12 is the length of the bottom side of the predetermined shape of the work to be bound, and the length of the long material A to be conveyed. It is set based on an integral multiple of the diameter. The V-shaped base 11 can be moved up and down along a guide 17 by a first drive device 16 that moves up and down the V-shaped base provided below the V-shaped base 11, and is further mounted on the frame 32.

In the shaping means 1 thus configured, first, the V-shaped bases 11a and 11b are mounted on the receiving base 41 of the conveyor 4 with both ends thereof supported and placed on a work Z made of a predetermined number of long materials A.
In the vicinity of the central portion of the work Z in the longitudinal direction, the work is raised from the lower side to the height of the pedestal 41, and the pedestal 41 is moved to the V-shaped platform 1.
It is transferred to and supported by 1a and 11b. When the work Z is transferred from the pedestal 41 to the V-shaped bases 11a and 11b,
A long material A having a predetermined shape to be bound is arranged on the bottom sides of a and 11b, and the sectional state of the work Z is shaped accordingly.

V-shaped bases 11a and 11b on which the work is transferred
The frame 32, which is lined up with the three rotating arm belt tightening devices 31, is secondarily moved up by the second drive device 34, and the work Z is impulsively arranged to align the intersecting states. At this time, in order to support the central portion of the work Z in the longitudinal direction so that the work Z does not tilt to one end,
It is essential to support at least two V-shaped bases 11a and 11b. The distance in which the V-shaped bases 11a and 11b are secondarily lifted is such that the workpiece Z supported and lifted in the central portion is
It is set to a distance that allows the workpiece Z to be lifted apart from the pedestal 41 at both ends depending on its flexibility. V
When the pedestals 11a and 11b are secondarily lifted and an impulse is applied to the work Z, the intersecting states are aligned by the urge at the central portion supported by the V-shaped pedestals 11a and 11b, and the pedestal 41 is moved from both ends. The crossing state is aligned by swinging while being separated and not constrained.

The V-shaped bases 11c and 11d provided at the center of the work Z in the longitudinal direction and in the middle between the both ends of the work Z are lifted after the V-shaped bases 11a and 11b are secondarily lifted and lifted at the center. The work Z is lifted up to the position where it abuts on the work Z, and the work Z is received and placed, together with the V-shaped bases 11a and 11b.
Is placed and lowered to the height of the pedestal 41.
The V-shaped bases 11a and 11b are secondarily lifted and impulsively apply to the work Z, and the V-shaped bases 11c and 11d receive the state in which the intersections are aligned without being constrained at both ends of the work Z in the descending process. By this, it is possible to prevent the situation from returning to the crossing state due to the impulse again during the descending process. The V-shaped bases 11c and 11d are long materials A having a small diameter and flexibility.
Is more effective in.

V-shaped bases 11 provided at both ends of the work Z
The e and 11f move up and down together with a binding machine (not shown) to receive the aligned works Z by the V-shaped stands 11e and 11f and hold them, and the works Z return to the intersecting state again due to an external force such as a binding band in the binding process. To prevent the work Z from being focused, and to tightly focus the work Z.

FIG. 3 shows a deforming means 2, which is composed of a rod 21 installed below the work Z, one end of which is pivotally supported, and the other end of which is rotatable by a drive unit 22. . The rod 21 is installed in the direction of the cross section of the work Z, and by rotating one end thereof, the rod 21 comes into contact with the work from below and pushes up the work Z without interfering with the V-shaped table 11 and deforms the cross section of the work set. It is designed so that it can be done. The rod 21 is provided with four groups 21a, 21b, 21c, and 21d at intervals in the longitudinal direction of the work Z. The rotation speed of one end of the rod 21 is adjustable, and the rotation speed of the two center rods 21a and 21b is set to be higher than the rotation speed of the two rods 21c and 21d at both ends. Is preferred.

In the rod 21 thus constructed, the two central units are synchronized with each other, and the two groups at both ends are synchronously rotated upward to push up the work Z, and the pushed work Z is the V-shaped base 11 The cross-sectional state of the work Z aggregate when it has been transferred to is deformed so that the long material A comes into contact with the rod 21 and is arranged in parallel.
Then, when the rod 21 rotates downward, the work Z pushed up by the rod 21 is placed on the V-shaped table 11 again. At this time, the cross-sectional state of the workpiece Z is also deformed again, and the intersecting state of the long material A is further aligned.
The gap between them is also reduced, and the focusing of the work Z is made tighter.

FIG. 4 shows the embracing means 3, which comprises a rotating arm type belt tightening device 31. The rotating arm belt tightening device 31 has an arm 35 that can rotate about a half of the circumference of the workpiece Z in the cross-sectional direction, and has a drive unit including a drive motor 37 and a drive belt 38. One end of the belt 36 is connected to the tip of the rotating arm 35, and the other end of the belt 36 is connected to the rod cylinder 39 below the work Z.
When the work 5 is rotated to embrace the work Z, a constant tension is applied to the belt 36. The tension is set by the rod cylinder pressure, and the set state can change the alignment state of the works Z. The arm 35 is capable of tightening the work Z by rotating around the work Z in a half-circle direction in the work Z cross-section direction. The hugging means 3 includes three rotating arm belt tightening devices 31.
a, 31b, and 31c are arranged so as to be staggered from each other in two directions to form one set of three groups. The pair of rotating arm type belt tightening devices 31 are mounted on a frame 32, and the frame 32 can be moved up and down by a second drive device 34. It is important that the belt 36 is a flat string-like body, has a surface condition and a friction coefficient that can withstand the tension required for tightly embracing, and does not damage the work Z. The material of the belt 36 is preferably nylon.

In the embracing means 3, the rotating arm type belt tightening devices 31b and 31c are provided opposite to each other on one side of the rotating arm type belt tightening device 31a to constitute one set. It is essential. The arm 35 is rotated about halfway around the work Z in the cross-sectional direction of the work Z and tightened from one side of the work Z. Therefore, in order to embrace the work Z without moving the center of the work Z, two rotating arm belts are used. Tighten the tightening device 31 from both sides to face the work Z
It is necessary to uniformly tighten both directions with respect to the longitudinal direction. However, when the work Z is tightened by the rotating arm type belt tightening devices 31 which are paired so as to be staggered from each other in the center of the work Z in the longitudinal direction, a rotational force is applied to the work Z, which is not preferable. Therefore, the work Z can be hugged without being given a rotational force by the rotating arm type belt tightening devices 31a, 31b, 31c which are provided in pairs so as to be staggered in both directions.

Rotating arm type belt tightening devices 31d, 31e and 31f, 31 installed at both ends of the work Z.
In order to enable h to be hugged without moving the center of the work Z, two groups of g are paired so as to be staggered in both directions. The rotating arm type belt tightening device 31 including two sets as described above holds the works Z whose intersecting states are aligned before the bundling process, so that the works which are once aligned are disturbed in the bundling process. Instead, a predetermined focused state is formed.

The rotating arm type belt tightening devices 31a, 31b and 31c thus constructed have the V-shaped bases 11a and 11a.
The crossing state is aligned by hugging the work Z placed on the work b, and the work Z is held by the V-shaped bases 11a, 11
Placed on b, the rotating arm type belt tightening device 31a,
With the work Z held by 31b and 31c,
The frame 32 equipped with the mold stands 11a, 11b and the rotating arm type belt tightening devices 31a, 31b, 31c is lifted by the second driving device 34, and an impulse is applied to the work Z to reduce the gap between the long materials A. By doing so, the intersecting states are aligned and the outer peripheral length of the work Z is converged into a predetermined shape having a length close to the minimum.

For the purpose of focusing the work Z into a predetermined shape,
It is preferable to use the bundling means 5 that presses the work Z from both sides in the cross-sectional direction by the pair of pressing plates 51 that advance and retreat in the horizontal direction to adjust the collective cross-section of the work Z. As shown in FIG. 5, the pressing plate 51 is attached to the inclined plates of the V-shaped bases 11a and 11b, and can be moved horizontally by the pressing cylinder 52. The bundling means thus configured has a shape in which the shape of the work Z does not approximate a predetermined shape before the work Z is transferred to the hugging step by the hugging means 3. It is used when it is difficult to take a predetermined shape. Due to the frictional force between the long materials A, the work Z is not only able to be strongly hugged, but it is impossible to take a shape whose outer peripheral length is close to the minimum. By pressing and deforming the state, it becomes possible to bundle it into a predetermined shape.

U pressing the aligned works Z from above
It is preferable to use the holding means 6 that holds the shape of the work by the guide 61. As shown in FIG. 6, the U guide 61 is vertically installed on a fixed frame 63 above the conveyor 4, and is capable of pressing the work Z from above by a lifting cylinder 62. In the holding means thus configured, the work Z aligned by the shaping means 1, the deforming means 2 and the embracing means 3 is embraced by the rotating arm type belt fastening devices 31d, 31e and 31f, 31g at both ends of the work Z. In order to prevent the crossed state from being generated again in the process, the work Z is pressed by the U guide 61, and then is clamped by the rotating arm belt tightening devices 31d, 31e and 31f, 31g at both ends to bind the work Z into a predetermined shape. is there.

Next, the long material converging device described above will be described with reference to FIGS. First, the conveyor 4 that conveys the work Z in the direction orthogonal to the longitudinal direction intermittently moves, and the work Z placed on the pedestal 41 of the conveyor 4 stops at the long material concentrating device position. (See Fig. 7)

First, the V-shaped bases 11a, 11 of the shaping means 1
The work b mounted on the pedestal 41 is transferred to the V-shaped pedestals 11a and 11b by moving b to the height of the pedestal 41. In the work Z, a predetermined number of the long materials A are arranged on the bottom sides of the V-shaped bases 11a and 11b which are set based on the integral multiple of the diameter of the long material A, and the collective cross-sectional state of the work Z is shaped and intersects. State 1
The parts are aligned. (See Fig. 8)

Then, the rod 21 of the deforming means 2 is rotated to bring the rod 21 into contact with the bottom of the work Z, and one end of the rod 21 is rotated to deform the cross section of the work Z, thereby intersecting the work Z. To be more aligned. When one end of the rod 21 rotates upward, the long members A are arranged on the rod 21. (See FIG. 9) At this time, rotating the two central rods 21a and 21b at high speed and rotating the two rods 21c and 21d at both ends at low speed aligns the entire long material. Is preferred.

Then, by the bundling means, the pressing plates 52 are pushed forward and backward by the pressing cylinders 52 from both sides in the cross-sectional direction of the work Z, and the work Z is bunched so as to be converged into a predetermined shape. (See Fig. 10)

Further, subsequently, three rotating arm type belt tightening devices 31 are provided so as to be opposed to each other in a bidirectional manner.
The arms 35 of a, 31b, and 31c rotate to rotate the belt 36.
Holds the work Z from both directions. (See Fig. 11)

A rotating arm type belt tightening device 31a,
When 31b and 31c hold the work Z, the frame 32 on which the three rotating arm belt tightening devices 31a, 31b and 31c and the two V-shaped bases 11a and 11b are mounted is lifted by the second drive device 34. To do. (See FIG. 12) The work Z is held on the V-shaped bases 11a and 11b, and at the same time, three rotating arm type belt tightening devices 31a and 31 are used.
It is in a state of being hugged by b and 31c. The V-shaped bases 11a and 11b rise to the apex, and the V-shaped bases 11a and 1b
The work Z held by 1b is given an impulse, and a part of the crossing state is aligned. At that time, both ends of the work Z are separated from the pedestal 41, and are rocked without being restrained so that the intersecting state is further aligned. (See Fig. 15)

Then, the V-shaped bases 11a and 11b are lowered by the first drive unit 16. Work Z was held V
It is supported by the support base 40 on the frame 32 in a state of being held by the rotating arm belt tightening devices 31a, 31b, 31c apart from the mold bases 11a, 11b. Here, the work Z that has been shaped by the V-shaped bases 11a and 11b and the rotating arm belt tightening devices 31a, 31b and 31c is once released from the shaped condition by the V-shaped bases 11a and 11b, and the tightened state is relaxed. To be done. (See FIG. 13)

Then, the V-shaped bases 11a and 11b are raised again by the first drive unit 16, and the shaping operation by the V-shaped bases 11a and 11b and the rotating arm type belt tightening device 31.
By applying the hugging action by a, 31b, and 31c, the intersecting states are aligned and the focusing of a predetermined shape is possible. (See Figure 14)

Then, the V-shaped bases 11c and 11d are raised to support the intermediate portion of the work Z. As a result, the V-shaped table 11a, 11b, while maintaining the state of the work Z that has been converged into a predetermined shape by the shaping operation by the V-shaped table 11a, 11b and the embracing operation by the rotating arm belt tightening device 31a, 31b, 31c. 11b and the rotating arm type belt tightening device 31a, 31b, 31c is a frame 32.
The second drive device that lowers the V-shaped bases 11c, 11
d descends in synchronization with the lifting cylinder 16 while holding the work Z. (See Fig. 16)

When the work Z is lowered to the height of the pedestal 41 of the conveyor 4, the work Z arranged by the holding means composed of the U belt 61 is pressed from above to hold the work Z in a predetermined shape. At this time, both ends of the work Z are lifted and placed on the V-shaped bases 11e and 11f that are on standby, and an intersection state is prevented from occurring in the binding process. The V-shaped bases 11c and 11d supporting the intermediate portion in the descending process descend below the work Z and are separated from the work Z.
(See Fig. 17)

Then, rotating arm type belt tightening devices 31c, 31d and 31e, 31f at both ends of the work Z are provided.
A known binding machine (not shown)
The both ends are bound by.

FIG. 18 shows V-shaped bases 11c, 11d and 11
[Fig. 10] Fig. 10 shows another embodiment of e and 11f, in which a fixed sloping plate formed of a bottom plate made of a straight line portion and a sloping plate bent in an obtuse angle with respect to the bottom plate in both directions continuously from the bottom plate. It is composed of a V-shaped base 11 'formed.
The V-shaped base 11 'is installed on the frame 7, and the frame can be lifted and lowered by a lifting cylinder 71, and a brake that can be stopped at any position is attached. This V
The position of the inclined plate in contact with the work Z differs depending on the height at which the mold base 11 ′ stops, and the width of the work Z can be changed depending on the position.

The drive unit used in the present invention is not particularly limited, and an air cylinder, a hydraulic cylinder, an electric motor or the like can be used.

The long material which can be treated by the long material converging device according to the present invention is a round steel bar, a rolled steel bar, a synthetic resin rod, a synthetic resin pipe, a metal pipe, wood or the like. As for the caliber,
Although a long material having a diameter of about 10 to 400 mm and a length of about 4 to 5 m can be processed, it is particularly suitable for a material having a small diameter of about 10 to 40 mm and flexibility.

[0036]

As described above, the long material focusing apparatus according to the present invention is capable of automatically and efficiently focusing a work into a predetermined shape without manual labor.

[Brief description of drawings]

FIG. 1 is a schematic layout view of a long material focusing device.

FIG. 2 is an enlarged view of a main part of a shaping unit.

FIG. 3 is an enlarged view of a main part of a deforming unit.

FIG. 4 is an enlarged view of a main part of the embracing means.

FIG. 5 is an enlarged view of a main part of the bundling means.

FIG. 6 is an enlarged view of a main part of a holding unit.

FIG. 7 is a side view showing the operation of the long material focusing device.

FIG. 8 is a side view showing the operation of the long material focusing device.

FIG. 9 is a side view showing the operation of the long material focusing device.

FIG. 10 is a side view showing the operation of the long material focusing device.

FIG. 11 is a side view showing the operation of the long material focusing device.

FIG. 12 is a side view showing the operation of the long material focusing device.

FIG. 13 is a side view showing the operation of the long material focusing device.

FIG. 14 is a side view showing the operation of the long material focusing device.

FIG. 15 is a front view showing the operation of the long material focusing device.

FIG. 16 is a front view showing the operation of the long material focusing device.

FIG. 17 is a front view showing the operation of the long material focusing device.

FIG. 18 is a view showing another embodiment of the V-shaped table.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shaping means 2 Deformation means 3 Embracing means 4 Conveyor 5 Alignment means 6 Holding means 11 V-type stand 16 First drive device 21 Rod 31 Rotating arm type belt tightening device 34 Second drive device 41 Receiving stand 51 Pressing plate 61 U guide

Claims (3)

[Claims] 1. A transporting means comprising a conveyor for placing and transporting a predetermined number of long workpieces on a pedestal, and a pair of dog-legged arms formed by advancing and retracting in opposite directions. Shaping means for transferring the work placed on the cradle to the V-shaped table to shape the cross-sectional state of the work assembly, a first drive device for moving the V-shaped table up and down, and one end of a rod installed below the work. Of the deformation means for deforming the cross-sectional state of the work set by rotating the other end in the work cross-section direction and contacting the work from below the work to move the work up and down. One end of the belt is connected to the tip portion, and the other end of the belt is a pair of rotating arm type belt tightening devices connected to an adjusting means for adjusting the belt tension constant so as to be opposite to each other. Tightening means, V A second drive device for moving up and down a frame on which a table and a rotating arm belt tightening device are arranged in a row; An apparatus for converging a long material, characterized in that an impulsive force is applied to the work to shape the cross-sectional state of the work and the long materials are aligned in parallel. 2. The long material converging device according to claim 1, further comprising a bundling means for bundling the sectional state of the work together by a pair of pressing plates that advance and retreat horizontally from both sides of the work in a sectional direction. 3. A U for pressing a focused work from above.
3. The long material concentrating device according to claim 1, further comprising a holding means for holding the collective cross-section state of the work by the guide.