JPH0653522B2 - Long object aligning method and long object aligning apparatus - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method for aligning long objects in which untangled and overlapping long objects are unraveled and aligned one by one, and a long object aligning apparatus therefor.

[Conventional technology]

A so-called long object such as a reinforcing bar has an abnormally long length as compared with a width, for example, a diameter. And long items are usually traded in lots in tons, e.g.
mm rebars are 5.5-12m long and 250-60 per lot
There are also 0. Such long and many rebars are bundled into small bundles of 25 to 60 wires each, and these small bundles are further bundled into a large bundle for each lot, which is traded and transported. There is. However, it is difficult to bind them together without a gap, and when they are bound, they are misaligned, or after they are bound, they are misaligned during transportation, causing the reinforcing bars to entangle, and the reinforcing bars become entangled and overlapped.

By the way, in a working operation such as bending and cutting at a work site, a plurality of reinforcing bars cannot be processed at the same time while being entangled. Therefore, normally, the entanglement is released, and a predetermined processing is simultaneously performed on several to ten or more reinforcing bars. Therefore, it is necessary to release the binding of the entangled and overlapped rebars, remove the entanglement, and then sequentially supply several to ten or more rebars to a processing machine such as a bender or a cutter.

That is, the following work is usually required at the work site for the bound reinforcing bars.

(1) First, release the binding of the reinforcing bars bound for each rod,
Divide into dozens of small reinforcing bars.

(2) Take out a small bundle of reinforcing bars, release the binding, and obtain dozens of reinforcing bars. When the bundling is released, the reinforcing bars are dispersed to some extent, but they are still entangled, forming overlapping mountains.

(3) Two workers stand at both ends of the reinforcing bar and remove one or several reinforcing bars from the pile of reinforcing bars while removing the entanglement.

(4) Reinforcing bars are aligned on the stocker, and several to more than a dozen of them are supplied to a processing machine such as a bender or a cutter through the stocker and the belt conveyor.

[Problems to be Solved by the Invention]

As described above, the entanglement of long objects is unavoidable, and the work of releasing the entanglement of long objects and aligning them is done manually. However, in such an alignment work that depends on human power, it is necessary to take out one or several of the long objects while removing the entanglement from the mountains. In particular, a deformed elongated object such as a reinforcing bar firmly adheres to each other by entanglement, and the frictional force due to the adhesion is large, so that the entanglement cannot be easily released. Therefore, the aligning work cannot be performed in time, and the processing machine is put on standby until a predetermined number of long objects are accumulated, and a high operating rate cannot be obtained.

In addition, since a long object such as a reinforcing bar has a considerable weight, the operator is tired. Furthermore, since long objects are heavy and long, they tend to lose their balance and are liable to cause personal injury due to being dropped or hitting. In addition, it is difficult for female workers and inexperienced male workers to align long objects, and the workers in charge tend to be limited.

Recently, a long object aligning device having a large number of spiral rolls arranged side by side has been provided. In this known long object aligning device, the spiral roll is formed by including a screw body in which a steel wire is spirally provided on the peripheral surface of the roll. The spiral rolls are arranged in a phase relationship such that they simultaneously support the same long object and convey them in parallel, and are arranged side by side so that the downstream side in the conveying direction is higher than the upstream side. According to the long object arranging device having such a configuration, the long object is pushed up by the steel wire (screw body) and conveyed as the spiral roll rotates. Then, the rebars that are not aligned and are entangled and overlapped with each other are gradually disentangled during the transportation and are removed. Therefore, alignment is promoted and the long objects are automatically aligned.

By the way, when the long objects are entangled with each other, they are tightly adhered to each other and a frictional force is generated between the long objects, and the frictional force prevents separation of the long objects and release of the entanglement. In the known long object aligning device, the force for removing the entangled long objects is not so large. Therefore, long products with smooth surfaces such as round bars and pipes with low frictional force are relatively easily aligned, but long products with irregular and non-smooth surfaces such as rebars have large frictional force. Entanglement could not be removed and could not be fully aligned.

An object of the present invention is to provide a long object arranging method and a long object arranging device for arranging not only smooth surface long objects but also deformed non-smooth surface long objects such as reinforcing bars.

[Means for Solving the Problems]

In order to achieve the above object, according to the method for aligning long objects of the present invention, the long objects are vibrated and are swung in the intersecting direction. Then, as a pre-process of applying vibration and swing to the long product, a process of aligning the long product using an endless chain is added. That is, of the two sets of endless chains that are provided in series with a large number of endless chains arranged side by side,
The long objects are mainly stacked and piled on the first endless chain group. Then, the first endless chain group is driven toward the remaining second endless chain group, and the second endless chain group is driven toward the first endless chain group.

Further, a long object aligning device for carrying out the above method comprises a long object supporting means for loading and supporting the supplied long objects, a long object carrying-in means, and a carrying-out means. To be done.
Then, the long object supporting means is vibrated by the vibrating means,
Vibration is applied to the long object on the long object supporting means. Also,
The long object supporting means is rocked by the rocking means, so that the long object on the long object supporting means is rocked in the intersecting direction.

The carrying-in means is provided with two sets of endless chains that are partially overlapped in series and these endless chains are composed of a large number of endless chains that are arranged side by side. . In addition, the unloading means includes a large number of endless chains that partially overlap with the long object support means on the upstream side and are juxtaposed to each other, and each endless chain positions the upstream side below the downstream side, It is arranged to be inclined.

[Action]

In long items that are entangled and overlapped, the long items will stick to each other,
The frictional force due to the close contact serves as a resistance force that hinders the alignment. However, in the method of aligning long objects of the present invention, the vibration applied to the long objects that are entangled and overlapped works to move each long object up and down to release the close contact of the long objects. Further, the rocking applied to the long object acts so as to remove the long object which is entangled and closely attached. And, no matter how firm the close contact is, it is gradually released by continuous vibration. Then, when the long object below which the close contact is released is separated from the lower long object, the long object is immediately swung off by the rocking and rolled down. In this way, the long objects are gradually untangled, thrown off, rolled down and gradually aligned.

Since the endless chains are driven in different directions in advance as a pre-process, different frictional forces in opposite directions are applied to the long objects stacked in the overlapping portions of the two endless chain groups, The pile of long objects is gradually collapsed and flattened. Then, in the process of flattening, the long objects are entangled with each other, the overlap is gradually released, and the long objects are aligned in advance to some extent.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1, a long object aligning device 10 according to the present invention.
Is configured to include a long object supporting means 13 for loading and supporting a long object 12 such as a reinforcing bar, and the long object supporting means 13 includes, for example, a large number of juxtaposed support rolls 14. It is configured. In the embodiment, the long object aligning device 10 is configured to convey the long objects 12 from the left to the right, and the supporting rolls 14 are provided.
A carry-in means 16 for carrying in and supplying a long object is arranged on the left side of the support roll, and a carry-out means 18 for carrying out the long object from the support roll 14 is arranged on the right side of the support roll. Carry-in means
16, the carry-out means 18 is formed of, for example, a large number of conveyor means arranged in parallel, for example, an endless chain.

As can be seen from FIG. 2 in addition to FIG. 1, the carrying-in means 18 is composed of a large number of endless chains arranged in parallel with each other, and two sets of which are partially overlapped and are provided in series. Endless chain group (Endless chain) 17
It has a and 17b. The long objects 12 are stacked on the carrying-in means 16 by using a crane or the like (see FIG. 1). Then, as shown in FIG. 2, if the endless chain 17a is driven to the right and the endless chain 17b is driven to the left, the long objects 12 stacked in the overlapping portions of the endless chains 17a and 17b are in opposite directions. The pile of long objects is gradually collapsed and flattened. Then, in the process of flattening, the entanglement overlap of the long objects 12 is released, and the alignment of the long objects is promoted. In the loading means 16, long items
After the 12 are aligned to some extent, the endless chain 17a,
The endless chain 17a is driven to the left and the endless chain 17b is driven to the right by reversing 17b, and supplies the long object to the support roll 14 of the long object supporting means 13. Of course, stopping the endless chain 17a and driving only the endless chain 17b,
You may drive a and 17b rightward, respectively.

A stopper 20 is provided downstream of the carry-in means, and this stopper prevents the long articles 12 from falling when they are stacked on the endless chains 17a and 17b, and also supports the long articles.
It prevents excessive supply to 13. In the example, the stopper
Reference numeral 20 is formed as a turning lever having a stopper piece 20a at its tip. As shown in FIG. 1, the stopper piece is usually used.
The stopper 20 is positioned so that 20a blocks the discharge path of the long object 12. Immediately before reversing the endless chains 17a and 17b, the hydraulic cylinder 22 is actuated to rotate the stopper 20 in the clockwise direction around the rotation shaft 24, thereby removing the stopper piece 20a from the carry-out path and lengthening it. The scale 12 is supplied to the support roller 14.

On the other hand, as shown in FIGS. 1 and 3, the carry-out means 18 is formed by juxtaposing a large number of endless chains 19, and the left end portion of the endless chain 19 carries out the long object 12 on the support roller. Therefore, the support roll 14 is partially overlapped with the support roll 14. The endless chains 19 are arranged so that the upstream side (left side in FIG. 1) is located below the downstream side (right side in FIG. 1).

According to the long object arranging method of the present invention, vibration is applied to the long objects 12 and the long objects 12 are swung in the intersecting direction. Therefore, the long object aligning device 10 includes a vibrating means 26 for vibrating the long object supporting means and a swinging means for rocking the long object supporting means.
28 is further provided.

As can be seen from FIGS. 4 and 5 in addition to FIG. 1, each supporting roll 14 of the long object supporting means is an eccentric shaft.
Formed as an eccentric roll having 14a, shaped steels 30 at both ends supporting the eccentric shaft are stacked on a support frame 31. The vibrating means 26 is configured to vibrate the support roll by transmitting the rotational driving force to the eccentric shaft 14a of the support roll.

When the rotational driving force is transmitted to the eccentric shaft 14a, the support roll 14 rotates while being eccentric, the support roll vibrates, and the long object 12 on the support roll also vibrates. Here, there is a possibility that a thrust is generated in the long object 12 due to friction with the rotating support roll 14, and the long object slides sideways. Therefore, it is preferable to divide the series of support rolls 14 into two and rotate them in different directions so as to balance the thrust and prevent the slide due to the thrust.

The configuration for causing the supporting roll 14 to vibrate is not limited to the configuration shown in the figure. For example, if the support roll is formed into an irregular shape such as an ellipse instead of the eccentric cylindrical support roll, the rotation of the support roll causes vibration even without eccentricity. Further, a foreign material such as a round bar may be welded to the cylindrical support roll 14 to form an irregular shape.

In the embodiment, as shown in FIGS. 1, 3 and 6, the vibrating means 26 includes a sprocket wheel 32 fixed to each eccentric shaft 14a and an endless chain 34 stretched between the sprocket wheels. , A combination of an idler 36 and a motor 38 as a drive source is provided on the left and right sides. Then, the six support rolls 14 are divided into two and are mounted on the left and right endless chains 34 by three. In such a configuration, if the right endless chain 34 is driven clockwise and the left endless chain 34 is driven counterclockwise (see FIG. 6), the three right support rolls are
14 rotates clockwise, and the left support roll 14 rotates counterclockwise. Therefore, the long object 12 on the support roll 14
The thrust generated in the balance is balanced, the long object is prevented from sliding, and the long object is prevented from falling. A motor may be provided for each eccentric shaft 14.

As shown in FIG. 1, the drive means 28 includes a pivot member 40 that pivotally supports the support frame 31, an eccentric cam 42 that contacts the support frame at a position separated from the pivot member, and a motor (not shown). It is configured with. And. When the motor is activated and the eccentric cam 42 is rotationally driven, the support frame 31 is swung around the pivot member along with the rotation of the eccentric cam.
Therefore, the support roll 14 supported by the support frame 31 also swings integrally with the support frame, and the long object on the support roll
12 is swung in the direction intersecting the axis. Eccentric cam
Instead of 42, the support frame 31 may be moved up and down by a piston and rocked.

The support roll 14 is disposed in parallel with the support frame 31, and the support frame 31 is in contact with the eccentric cam 42 so that the left and right ends swing to below the horizontal plane. That is, the support frame 31 and the eccentric cam 42 are arranged so that the minimum displacement of the eccentric cam is ascending to the left as shown by the solid line in FIG. 1, and the maximum displacement is ascending to the right as shown by the alternate long and short dash line. It
Further, according to the experiment, the right downward angle, that is, the swing angle β in the carry-out direction is larger than the swing motion in which the left and right swing angles are the same.
Is the angle to the left, that is, the swing angle α in the loading direction (to the left)
It is preferable that the swing motion is larger than that. And
The values of the swing angles α and β vary depending on the diameter, length, swing stroke, etc. of the support roll 14, but for example, diameter 76 mm, length
In the support roll 14 of 490 mm, the swing angle α is 1 to 1.5.
The best alignment efficiency was obtained when the swing angle β was 4 to 6 degrees.

If the support roll 14 swings together with the support frame 31, the long object 12 on the support roll may fall off the support roll. Therefore, the falling prevention means 44 for preventing falling in the carrying-in direction (leftward) and the carrying-out direction (rightward) in FIG.
Is provided. For example, a series of guard pieces 46 are fixed on the support frame 31 at the left end of the support roll (see FIGS. 1 and 3), and if this guard piece extends beyond the support roll, the length to the left is increased. Can prevent falling of scales. Further, even if a flange extending beyond the support roll is attached to the eccentric shaft 14a at the left end of the support roller, the long object can be prevented from falling to the left. Falling of the long object 12 to the right can be prevented by disposing a similar guard piece on the support frame and retracting the stopper piece to a position that does not hinder discharge when carrying out. However, since the carry-out endless chain 19 is disposed on the carry-out side, it is preferable to use this endless chain as the fall prevention means 44. For example, the upstream side (left side) of the endless chain 19 partially overlaps with the support roll 14, and the upstream side is located below the downstream side, that is, the endless chain is tilted upward to the left. It may be installed (see FIGS. 1 and 3). As can be seen from FIG. 1, the support roll 14 and the endless chain 19 intersect in a substantially V shape, and a valley is formed at the intersection. Therefore, the long object 12
The carry-out means 18 also functions as a fall-preventing means without staying in this valley and falling from the support roll 14 to the right. Here, if the inclination of the endless chain 19 that is inclined is small, the long object 12 is thrown from the support roll to the endless chain at the moment when the support roll falls to the right, and the long object 12 is thrown on the endless chain 19. There is a risk of rolling. Therefore, it is preferable to reverse the endless chain 19 as shown by the arrow while the support roll 14 is swung.

The long object aligning device 10 having the above configuration is used as follows.

First, in FIG. 1, a long object 12 such as a reinforcing bar is stacked on a carrying-in means 16 using a crane or the like and piled up.
Then, as shown in FIG. 2, the long objects 12 stacked on the left side of the carry-in means 16 are moved to the overlapping portion of the endless chains 17a and 17b by the endless chain 17a. Then, the endless chain 17a is moved to the left and the endless chain 17b is moved to the right, so that the piles of the long objects 12 stacked in the overlapping portions of the endless chains 17a and 17b are gradually collapsed and flattened. Long objects during the flattening process
Twelve entanglements, overlapping is gradually released, and the alignment of long objects is promoted. Even after the driving of the endless chain 17a is stopped, the endless chain 17b is continuously driven, and the long object 12 on the endless chain 17b is gradually moved to the stopper 20 on the right side of the carry-in means 16. At the same time, the hydraulic cylinder 22 is operated to rotate the stopper 20 clockwise. By rotating the stopper 20, it becomes possible to convey the long object 12 to the support roll 14, and when an appropriate number of long objects are supplied, the stopper rotates counterclockwise and returns to the initial position. The supply of long objects is interrupted.

Further, according to the loading means 16 including the partially overlapping endless chains 17a and 17b, the endless chains 17a and 17b are
By driving b in opposite directions for a predetermined time,
The long objects can be aligned to some extent before being sent to the long object support means. Furthermore, by appropriately controlling the driving directions of the endless chains 17a and 17b, it becomes possible to carry out the small objects little by little, and so-called dispensing control can be performed by the carrying-in means 16. For example, as described above, the driving directions of the endless chains 17a and 17b are reversed, and the endless chain 17a is moved to the left and the endless chain 17b is moved to the left.
If each is driven to the right, a large number of long objects 12 are not simultaneously conveyed, and only a small number of long objects are conveyed.

When the long object 12 is supplied to the support roll 14 and loaded and supported on the support roll, the vibrating means 26 and the swinging means 28 are operated. That is, the motor 36 of the vibrating means 26 is activated, the support roll 14 vibrates due to the eccentric movement, and the long object 12 on the support roll is vibrated. At the same time, the motor (not shown) of the rocking means is also activated, and the cam 42 is rotationally driven to rock the support roll 14 and the support frame 31. By the swing of the support roll 14, the long object 12 is swung in the direction intersecting with the axis thereof.

As shown in FIG. 7 (a), the entanglement overlap of the long material 12 is not sufficiently released in the state of being supplied to the support roll 14. However, when the support roll 14 is caused to vibrate and swing at the same time, and the long object 12 on the support roll is simultaneously subjected to the vibration action and the swing action, as shown in FIGS. 7 (a) to 7 (d). , The packing of long objects is gradually released, and the alignment is promoted. That is, the vibration applied to the long object 12 moves the long object up and down to cancel the close contact with each other. Further, the rocking applied to the long object 12 is entangled with each other, and the overlapping long object 12 tries to be removed. Therefore, no matter how strong the close contact is, it is gradually released by the continuous vibration, and when the upper long object 12 that has been released from the close contact is separated from the lower long object, it is swung off immediately by the rocking, Roll to. In this way, the long object 12 on the support roll 14 is
Are gradually disentangled, removed, and gradually aligned. The endless chain 19 configured as the carry-out means 18 is a long object 12 as shown in FIG. 7 (c). During the alignment of (1), it is driven to the left, that is, in the direction opposite to the carry-out, and the long objects are prevented from falling from the support roll 14. Also, the endless chain 19 is driven to the left. Support roll 14
The long object 12 is retained in the valley formed by the intersection of the endless chain 19 and the endless chain 19. When the support roll 14 is swung in this state, the long objects 12 are aligned and gradually aligned.

In this invention, since vibration and swing are repeatedly applied,
It is possible to sufficiently align not only smooth-faced long objects but also non-smooth-faced long objects such as deformed bars.

For example, if the long object 12 is a deformed rebar with a length of 9 m and a diameter of 10 mm, 30 deformed rebars are excluded even if the loading and unloading time is excluded by the conventional manual alignment method by two workers facing each other. It takes 7-10 minutes to align. However, according to the experiment on the prototype, 30 vibration bars can be almost completely aligned just by applying vibration and rocking to the support roll 14 for 1 minute.
Three minutes was enough, including the time required for loading and unloading.
Of course, the switch operation of the stretched object aligning apparatus 10 is (semi) automatically, and one operator can operate the long object aligning apparatus.

Thus, in the conventional method, except for the carry-in and carry-out time, even if the work time is 7 minutes, 14 minutes are required for the working time of the person, whereas the method of the present invention requires the carry-in and carry-out time. Even 3 minutes / person's work time is enough, and work efficiency is improved about 5 times.

When the long objects 12 are sufficiently aligned, the driving direction of the endless chain 19 is reversed and the endless chain 19 is driven to the right, while the supporting roll 14 is lowered to the right.
Is stopped (see FIG. 7 (d)). Then, as can be seen from FIG. 1, the aligned long objects 12 are carried out from the support roll 14 by the endless chain 19. The long object 12 carried out by the endless chain 19 rolls on the guide member 48, is obstructed by the stopper 50, and is stored in an aligned state on the guide member. When the long object 12 rolls on the guide member 48, it is counted by measuring means (not shown) using a limit switch or the like. Then, when a predetermined number of the aligned long objects 12 are accumulated on the guide member 48, the stopper 50 is rotated in the arrow direction, and the long objects 12 are rotated.
Is transferred onto another conveyance means, for example, an endless belt (not shown). Further, when a processing machine such as a bender or a cutter is arranged adjacent to the long product aligning apparatus 10, the long product 12 is automatically supplied faster than the speed of the processing machine. Therefore, contrary to the conventional method, machining such as bending and cutting cannot be done in time.

As shown in FIG. 1, in the embodiment, an endless chain
A plurality of rotatable stoppers 52 are arranged between the endless chains at the downstream end of 19, and rotatable rolls 54 are attached to the tips of the stoppers. Between the roll 54 and the endless chain 19, usually one long object 12 is retained. Then, when continuously conveyed, when the next long product passes over the long product that has accumulated and reaches the roll, the roll automatically rotates and guides the next long product. The diameter and position of the roll 54 are set so as to be dropped onto the member 48.

As described above, in the configuration in which the long object 12 slides down the guide member 48 one by one over the rotatable roll 54, the rolls have an aligning function. Therefore, when the long objects 12 whose entanglement is not completely released in the support roll 14 slide off from the roll 54, they are aligned and the complete alignment is promoted.
The long object 12 retained between the roll 54 and the endless chain 19 is finally dropped on the guide member 48 by the rotation of the stopper 52 in the arrow direction by the operation of the hydraulic cylinder 56.

As described above, according to the long object aligning method of the present invention, not only a long object having a smooth surface but also a long object having a non-smooth surface such as a deformed rebar,
Can be aligned under high alignment efficiency.

Further, according to the long object arranging apparatus 10 of the present invention, the worker can move the long object 1 onto the endless chains 17a and 17b which are the carrying-in means 16.
It is sufficient to simply stack 2 and this stacking work can be performed via a machine such as a lift or a crane. Therefore, even a female worker or an inexperienced male worker can easily perform the work of arranging long objects. Further, since it does not depend on human power, the fatigue of the workers during the alignment work is small, and a personal injury due to dropping or hitting does not occur. Thus, the long object aligning device of the present invention
If you use 10, you can perform alignment work without manual effort,
A large number of long objects can be aligned efficiently in a short time. According to experiments, in the known configuration in which a long object is supplied to a processing machine by manual alignment, 600 to 1000 pieces are aligned per day. At the same time, by using the long object arranging device 10 of the present invention, about 12,000 long objects can be easily aligned, the operating rate of the processing machine is dramatically improved, and high productivity can be secured.

In the embodiment, the eccentric support roll 14 is used as the long object support means 13 and the support roll is rotationally driven, but the configurations of the long object support means and the vibration means 26 are not limited to this. For example, a wire or the like may be welded to one side surface of the support roll that is not eccentric, and the support roll may be rotationally driven. Further, instead of vibrating by applying eccentric motion to the support roll, the long object support means 13 is formed from a wire material, a plate material, or the like,
The plate material or the like may be directly vibrated by a vibrator.

Further, the vibrating means 26 utilizes the cam 42 to support the support roll 14,
Although the support frame 31 is rocked, instead of the cam,
The support arm or the like may be swung by hydraulic or pneumatic cylinders or cranks.

Furthermore, although an endless chain is used as the carry-in means 16 and the carry-out means 18, the invention is not limited to this, and an endless belt or the like may be used. Also, endless chains,
The present invention is not limited to an endless belt or the like, and an inclined bar material, a plate material or the like and a stopper capable of advancing and retreating may be combined, or the swinging bar material, the plate material or the like may constitute the loading means 16 and the unloading means 18.

Further, the above long object aligning device 10 is replaced with another long object aligning device 11
It may be combined with 0 for systematization. As shown in FIG. 8, in this system, another long object aligning device 110 is arranged in series on the carry-out side of the long object aligning device 10.
The guide member 48 of the long object aligning apparatus 10 is the long object aligning apparatus 11
It is preferable that it is also configured as a carry-in means of 0.

The long object aligning device 110 is configured by including a large number of spiral rolls 112 arranged in parallel. Spiral roll 112
Is formed by providing a screw body 116 spirally provided on the peripheral surface of the roll 114, and the screw body is usually formed by spirally winding a steel wire around the peripheral surface of the roll 114. However, the spiral roll may be formed from a roll integrally provided with a screw body by lathing. In this integrally formed roll, the material of the roll is not limited to an iron alloy such as cast iron and may be plastic, ceramic or the like. The spiral roll 112 may be formed by attaching a coil spring or the like formed in a spiral shape to the roll 114. The roll 114 is a concept including a round bar, a pipe, a shaft, etc., and may be solid or hollow.

In the embodiment, the steel wire 116 is wound spirally to form a screw body, and as shown in FIG. 9, among the six spiral rolls 112 arranged in parallel, the third from the right end and the second from the left end. Regarding the two spiral rolls 112-4 and 112-2, a steel wire 116 is wound in a right twist. Then, with respect to the other four spiral rolls 112, the steel wire 116 is wound in a left-handed twist. In this way, by arranging the spiral rolls 112 in different directions in parallel, the long object 12 to be conveyed is conveyed.
The thrust generated in the is adjusted.

A side wall 119 that functions as an end aligning member is arranged on the right side. The driving force of the motor 120 is transmitted to the spiral roll 112 via the endless chain 122 and the drive shaft 124, and rotates the spiral roll in a clockwise direction as shown by an arrow in FIG.

Spiral roll 112 (112 with different twist direction of steel wire 116)
-1 to 112-6) are arranged in a phase relationship such that the same reinforcing bars are simultaneously supported and conveyed in parallel. That is, the spiral rolls 112-2, 112-4 and the spiral rolls 112-1, 112-3, 112
-5 and 112-6 are arranged in a symmetrical positional relationship and rotate in synchronization. Further, as can be seen clearly from FIG. 8, the long object 12 such as a reinforcing bar is provided at the upstream end of the spiral roll 112 (the left side in FIG. 8, the lower side in FIG. 9) through the guide member 48. Ten pieces are dropped at the same time, pushed up by the steel wire 116, and conveyed in the downstream direction (the right side in FIG. 8, the upper side in FIG. 9) as shown by the arrow. However, the elongated object 12 located at a level higher than the upper end of the steel wire 116 is of course pushed up by the steel wire even at a level slightly lower than the upper end of the steel wire because the steel wire has a circular cross section. While rolling, it easily rolls over the steel wire. Therefore, even if the long objects 12 that are entangled and overlap with each other or that are obliquely positioned are repeatedly rolled over the steel wire 116 during transportation, they are scraped off and gradually separated and arranged one by one. Spiral roll 11 so that overlapping long or slanted long objects 12 can be rolled down and returned to the upstream in the transport direction.
Nos. 2 are arranged side by side with an inclination so that the downstream side in the transport direction is higher than the upstream side.

The steel wire 116 is wound around the peripheral surface of the roll 114 and then fixed by welding or the like. As shown in FIG. 10, a spiral groove 126 is formed in the roll, and the steel wire 116 is formed in this groove. Should be partially stored. With this configuration, the steel wire 116 is securely fixed to the roll 114 at an accurate pitch.

Further, the diameter of the wound steel wire 116 is the length of the target long object 12
It is selected according to the diameter of. For example, when the diameter of the long objects to be aligned is 10 to 12 mm, when the groove depth is 8 mm and a steel wire having a diameter of 10 mm is wound, good results are obtained.

In this type of long product arranging device, the spiral roll must not simultaneously convey a plurality of entangled and overlapped long products in parallel, and the parallel products must carry one long product. The number of long objects conveyed in parallel is related to the interval between the steel wires, that is, the pitch (winding pitch) of the steel wires. Therefore, the pitch of the steel wires may be set to the minimum necessary in order to surely make one long object conveyed in parallel at the same time. However, this type of device is used not as a dedicated machine for producing long products having the same diameter but as a general-purpose machine commonly used for long products having various diameters. It may be possible to replace the spiral roll with a different pitch depending on the long object. However, it is complicated, and usually the pitch is fixed, and a pitch with a margin is selected in consideration of the range of the long object to be targeted. Further, the long object is pushed up by the steel wire (screw body) located upstream in the carrying direction and carried in the downstream direction. Therefore, if the height of the steel wire to be pushed up is reduced, the steel wire is likely to come off during transportation, and there is a risk that the steel wire may easily fall off.

Therefore, in the long object aligning device 110 of this invention,
Do not wind steel wires of the same diameter on all spiral rolls 112. For example, the second spiral roll from the left and right ends.
A steel wire 116-1 having a diameter of 13 mm is wound around 112-2 and 112-5, and a steel wire 116-2 having a diameter of 10 mm is wound around the other four spiral rolls. In this way, by arranging different steel wires 116-1 and 116-21 side by side in a mixed manner, steel wires of different sizes can be set. Then, in this configuration, the rolling of the long object 12 is hindered by the high steel wire 116-1. On the other hand, the tall steel wire 116-1 may hinder the removal of small-diameter long objects. However, the number is small (two of the six spiral rolls 112), and in practice,
No obstacles. Therefore, as compared with the case where the steel wires are set at the same height, the long objects 12 are pushed up without slipping off and are gradually aligned while being blown off over the steel wires 116. And is transported downstream.
Therefore, various long objects 12 having different diameters can be transported, and the groove 126
In the configuration of the embodiment in which the depth is 2 mm and the steel wires having the diameters of 10 mm and 13 mm are mixed, the long objects having the diameters of 10 mm to 12 mm can be smoothly transported, and the range of the long objects to be aligned can be expanded. , The versatility was greatly improved.

In the embodiment, since the steel wire 116 is wound to form a screw body, the screw body having different heights can be obtained by changing the diameter of the steel wire. However, it goes without saying that in the configuration in which the screw body is integrally formed with the roll, the screw body is directly formed at different heights.

A stripping member 128 is provided substantially at the center of the second spiral roll 112-5 from the right end so as to separate and strip out complicatedly entangled long objects to align them (see FIG. 9). The stripping member 128 is provided downstream from the steel wires 116 facing each other at an interval such that only one long object 12 can pass at the same time. That is, the eleventh
As can be seen from FIG. 12 and FIG.
Is provided on the right side (downstream) away from the upstream steel wire 116 by a distance L (2D>L> D, D = diameter of long object). Here, the value of D is appropriately determined in consideration of the range of the long objects 12 to be aligned.

In such a configuration, even if the plurality of long objects 12 are conveyed while being entangled and overlapped with each other, the passing member pushes up the long object when passing through the gap between the removing member 128 and the steel wire 118. Here, since there is a gap only for one long object, a plurality of long objects 12 that have been entangled and overlapped with each other are pushed up by the scrubbing member 128 to be separated and roll down, forcibly, leaving only one. Will be paid off. The pushing-up force of the scrubbing member 128 forcibly scoops out the long object 12 that was conveyed obliquely. Then, according to the experiment, the wiping-off member 128 obtained a wiping-off force sufficient for untangling even the complicatedly entangled reinforcing bars and aligning them.

As described above, by mounting the scrubbing member 128, the long objects that can be aligned can be expanded to the reinforcing bars, which have been difficult with the known configuration. Further, since the long objects overlapping with each other are pushed up and separated by the removing member 128 to roll down and are reliably removed, the long objects that are not aligned and the long objects that are aligned are finally mixed. Is prevented and high alignment efficiency is obtained.

In the embodiment, the wiping member 128 is provided substantially in the center of the second spiral roll 112-5 from the right end.
It may be provided on another spiral roll. Discharge member
Although 128 is provided on at least one spiral roll, one may be provided on each of a plurality of spiral rolls, or a plurality of 128 may be attached separately from the same spiral roll.
Further, the spiral roll 112 may be located in the central portion when divided into the downstream side, the upstream side, and the central portion instead of the exact center. However, if the spiral roll 112 is formed to be sufficiently long, it may be provided on the downstream side or the upstream side without sticking to the central portion.

Furthermore, spiral rolls 112-1 and 112- located at the left and right ends
In 6, the downstream end 118a of the wound steel wire is missing (see FIG. 13). Here, if the long objects 12 are not conveyed in parallel but are obliquely conveyed, one of the left and right ends of the long object precedes the other portions. Then, the leading end of the long object 12 conveyed obliquely is not suddenly pushed up by the steel wire 12 at the downstream end of the spiral roll 112. Therefore, the leading end of the long object 12 slides down due to gravity, and the impact causes the long object to roll off and be removed. In other words, even if they are not aligned, they are transported diagonally,
Even if there is a long object 12 that reaches the downstream end of the spiral roll 112, it will be reliably removed in the final stage. Therefore, long objects 12 that are not aligned are spiral rolls 112.
It is prevented from being finally transported beyond the downstream end of the. Therefore, it is possible to prevent the final unmixed long product and the aligned long product from being mixed, and to obtain high alignment efficiency.
Long objects that have been blown off at the downstream end of the spiral roll 112
It goes without saying that the 2 rolls down to the upstream end of the spiral roll 112 and is gradually aligned while being conveyed again by the spiral roll.

According to the experiment, the shape of the defective end of the steel wire 116 did not affect the effect of the wiping. Moreover, about 10 mm was sufficient for the length to be deleted for the long object 12 having a diameter of 10 to 12 mm.

The upper end (right end) of each spiral roll 112 is shown in FIG.
As shown in FIG. 4, they are supported by support members 134 on the frame 132, respectively. The support member 134 is configured by being separated into a large number of welded upper half portions 134a of the support shaft 136 and a lower half portion 134b fixed to the frame 132 and extending over the entire lateral length. The upper half 134a is
In the embodiment, six rolls are provided corresponding to the number of spiral rolls 112, and the upper half portions thereof are provided slidably in the arrow direction (rightward) on the common lower half portion 134b. That is, the support shaft 135 is welded to the side surface of the support member 134, and the fitting hole 136 of the support shaft is formed at the right end of the spiral roll 112b (see FIG. 10). For example, as shown in FIGS. 14 and 15, a tap hole 137 is formed on the lower surface of the upper half portion 134a of the support member, and a plurality of elongated holes 138 extending left and right on the upper surface of the lower half portion 134b, for example, four holes. Hexagon socket head cap bolts 139 are screwed into the tap holes via washers 133.

In the above structure, if the bolt 139 is screwed back to release the fixing of the upper half portion 134a of the support member, the upper half portion can slide to the right along with the support shaft 135. Then, when the slide length L is set to L> L 'with respect to the length L'of the support shaft 135, the spiral roll 112 is removed from the support member 134 by the sliding of the upper half portion 134a.

In known constructions with integrated support members, one spiral roll cannot be separated from the support member independently of the other spiral rolls. And if you do not separate several spiral rolls from the support member,
The target spiral roll cannot be separated from the support member. However, as described above, in the configuration of the embodiment, the support member 134 that supports the upper end of the spiral roll 112 is used.
Are separated into a common lower half 134b and a number of upper half 134a. The upper half part 134a is slidably provided on the lower half part, and is formed so as to be slidable independently of each other, and the spiral roll 112 has the movable upper half part 134a.
supported by a. In such a configuration, by sliding the upper half 134a of each support member,
The target spiral roll 112 can be separated from the support member. In other words, the target spiral roll 112 can be independently operated without separation of other spiral rolls, and maintenance, change of attachment position, replacement due to breakage, etc. of each spiral roll can be performed quickly and easily.
Therefore, maintenance of the spiral roll, which takes about 40 minutes in the known configuration, can be easily performed in 2 to 3 minutes.

The configuration in which the upper half portion 134a of the support member is slidable is not limited to that shown in the figure. For example, contrary to the embodiment, the tap hole 137 may be provided in the lower half portion 134b and the elongated hole 138 may be provided in the upper half portion. Further, a combination other than the tap hole 137 and the elongated hole 138 may be used. For example, the bolt 139 may be screwed into a nut or a dovetail groove may be used. Furthermore, the support shaft
The 135 may be provided on the spiral roll 112 instead of the support member 134.

In the long object arranging apparatus 10 having the above-described configuration, the long objects 12 supplied via the guide member 48 are gradually aligned as they are conveyed while being wiped off by the spiral rolls 112 arranged in parallel. That is, even if there is a long object 12 that is not completely aligned by the long object arranging device 10 in the previous process, the long object is removed by the brushing member 128 at the middle of the spiral roll 112 or at the end of the steel wire. Spiral rolls 112-1 and 112-6 that were missing are thrown off and rolled off at the final stage. Then, only the aligned long objects 12 are conveyed from the spiral roll 112 to the guide member 140. The long object 12 is a guide member 140
It rolls up, is blocked by the stopper 142, and is accumulated in a state aligned on the guide member. Note that the long object 12 is brought into contact with the side wall 119 during conveyance by the friction between the long object 12 and the spiral roll 112, and the edges are aligned. The long object 12 has a guide member 140.
When rolling over, it is counted by a measuring means (not shown) using a limit switch or the like. When a predetermined number of aligned long and aligned objects 12 are accumulated on the guide member 140, the hydraulic cylinder 141 is actuated, the stopper 142 is rotated in the arrow direction, and the elongated object is the endless belt 1.
44 Moved up. Then, the long object 12 is automatically supplied via the endless belt 144 to a processing machine such as a bender or a cutter located adjacent to the long object aligning device 110, and machining such as bending and cutting is performed for a long time. Immediately applied to things.

As described above, according to the long object arranging device 110 of this configuration, since there is only a gap for one long object to be conveyed, when passing through the gap between the wiping member 128 and the steel wire 116, the wiping is performed. The drop member pushes up a long object that is entangled and tries to remove it. The pushing-up force by this removal member 128 is
Even complicatedly entangled rebars are so large that they can be unentangled. Therefore, the plurality of long objects 12 that have been entangled and overlapped with each other are pushed up and separated from each other, leaving only one, to roll over the steel wire 116 and be removed. Further, the long object 12 that has been conveyed obliquely is also pushed up by the scraping member 128 and scraped off. Then, while repeating the removal, the entangled or oblique state is removed, and the long objects 12 are gradually aligned. In this way, non-smooth long objects such as deformed bars can be aligned and the alignment efficiency can be sufficiently improved. In the embodiment, since spiral rolls 112 having different twisting directions are arranged in a mixed manner, left-handed spiral rolls 112-1, 112-3, 11 are provided.
The thrust generated on the long object 12 by 2-5 and 112-6 and the thrust by the right-handed spiral rolls 112-2 and 112-4 cancel each other out, and a large thrust is prevented from being generated. Thrust is large enough to help align the edges of objects. However, the configuration for adjusting the thrust generated in the long object 12 is not limited to this configuration. For example, between spiral rolls 112 twisted in the same direction, a simple roll 214 not wrapped around steel wire
As shown by the one-dot chain line in FIG. 9, the thrust can be adjusted by appropriately disposing the roll and rotating the roll in the direction opposite to the spiral roll.

Further, in the embodiment, the long objects 12 are aligned right, but they may be aligned left. In the case of left alignment, the side wall 119 is provided on the left side and the spiral roll 112 is rotated counterclockwise.

As described above, the long object aligning device 10 that aligns by vibration and rocking, and the scraping member 128 on the spiral roll 112.
In the system in which the long object aligning device 110 provided with is combined, the long objects are sufficiently aligned on the basis of different principles. Therefore, it is possible to perform the alignment with a higher degree of perfection.

The above-described embodiments are for explaining the present invention, and do not limit the present invention in any way, and all modifications and alterations made within the technical scope of the present invention are also included in the present invention. Needless to say.

〔The invention's effect〕

As described above, according to the long object aligning method of the present invention, vibration and rocking are simultaneously applied to the long object to release the entanglement of the long object and align the long object, and the endless pre-process is performed in advance. By driving the chains in different directions, different frictional forces in opposite directions are applied to the long objects stacked in the overlapping part of the two endless chain groups, and the mountains of the long objects are gradually collapsed and flattened. It has become. Then, in the process of flattening, the long objects are entangled with each other, the overlap is gradually released, and the long objects are aligned in advance to some extent.

After that, if you reverse the second endless chain group,
Long items can be carried out, and alignment and carry-out can be easily switched.

In this way, by combining the original alignment that applies vibration and swing to a long object at the same time and this alignment that uses a heterogeneous endless chain to the original alignment that results from vibration and swing, Alignment against overlapping overlap is fully possible.

Further, if the long object aligning device of the present invention is used, it is sufficient for the operator to simply stack the long objects on the carry-in means, and this stacking operation can be performed via a machine such as a lift or a crane. Therefore, even a female worker or an inexperienced male worker can easily perform the work of arranging long objects. Further, since it does not depend on human power, the fatigue of the workers during the alignment work is small, and a personal injury due to dropping or hitting does not occur.

Further, since the alignment work can be performed without manual labor, a large amount of long objects can be efficiently aligned, and the long objects can be quickly supplied to the processing machine. Therefore, the operating rate of the processing machine is improved, and high productivity can be secured.

Further, if the endless chain of the carry-out means is driven in the direction of the long object supporting means, the carry-out means functions as a fall prevention means. Then, by reversing, the carry-out means can carry out a long object, perform its original function, and the carry-out means can select the function of falling prevention and carry-out by simply switching the driving direction.

[Brief description of drawings]

FIG. 1 is a front view of a long object aligning device for a long object aligning method of the present invention, FIG. 2 is a schematic partial plan view of the long object aligning device showing a left half portion, and FIG. , A schematic partial plan view of a long object aligning device showing a central portion, FIGS. 4 and 5 are a front view and a right side view of a support roll, and FIG. 6 is a long object showing a drive system of a vibrating means. FIG. 7 (a) to FIG. 7 (d) are schematic left side views of the aligning device, and FIG. 7 (a) to FIG. 7 (d) are explanatory views showing the aligned state of the long objects on the support roll. FIG. 8 shows another long object aligning device that is combined with the object aligning device to form a system, and FIGS. 8 and 9 are schematic front views, plan views, and FIG. 10 of the long object aligning device. 11 and 12 are plan views of a spiral roll provided with an expulsion member, FIG. 13 is a plan view of a spiral roll provided with an expulsion member, and FIG. Of FIG. 14, FIG. 14 is an enlarged front view of the support member supporting the right end of the spiral roll, and FIG. 15 is a cutaway view of the lower half of the support member taken along the line XV-XV in FIG. . 10: Long object aligning device, 12: Long object, 13: Long object supporting means, 14: Support roll, 14a: Eccentric shaft, 16: Loading means, 18: Unloading means, 17a, 17b, 17c: Endless chain , 20: stopper, 26: vibrating means, 28: swinging means, 31:
Support frame, 42: Eccentric cam, 44: Fall prevention means, 46:
Guard piece, 48: guide member, 50, 52: stopper, 110: long object alignment device, 112 (112-1 to 112-6): spiral roll, 114: roll, 116 (116-1, 116-2) : Steel wire (screw body), 128: Cleaning member, 134: Support member, 134
a, 134b: upper half and lower half of the support member, 137: tap hole, 138: long hole, 139: bolt.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-55-16862 (JP, A) JP-A-61-75725 (JP, A) Actually open Sho-53-141679 (JP, U) Actual-open Sho-51- 91493 (JP, U) Actual opening Sho-56-68721 (JP, U) Actual opening Sho 61-75424 (JP, U) Special public official opening Sho 52-11503 (JP, B2)

Claims (5)

[Claims] 1. A long object aligning method in which a long object is oscillated in a direction intersecting the axis of the long object to release the entanglement of the long object while vibrating, and the long objects are arranged side by side. Of the two sets of endless chains that are arranged in series with a large number of endless chains partially overlapped with each other, the first endless chain group is mainly stacked with long objects, The endless chain group is driven in the direction of the second endless chain group, and the second endless chain group is driven in the direction of the first endless chain group to eliminate the entanglement and overlap of the long objects and to increase the length. A long product arranging method comprising a step of aligning the long products and arranging the long products, and then reversing the second endless chain group and transporting the long products as a pre-process. 2. A long object supporting means for loading and supporting the supplied long object, a carrying-in means for conveying and supplying the long object to the long object supporting means, and a vibrating the long object supporting means. Vibrating means for causing a long object to vibrate, and a rocking means for rocking the long object supporting means to cause the long object to perform a rocking motion in a direction intersecting the axis of the long object. And a carry-out means for carrying out the long object on the long object supporting means, wherein the carry-in means is composed of a large number of endless chains arranged in parallel with each other, and partially provided in series. 2 sets of endless chain groups, long objects are mainly piled up and piled up on the first endless chain group, and this endless chain group is driven in the direction of the second endless chain group while Endless chain group in the direction of the first endless chain group By moving the long objects, the long objects are aligned by uncoupling the long objects, and the carrying-out means partially overlaps with the long object supporting means on the upstream side, and a large number of endless objects juxtaposed to each other. A long object aligning device, which is provided with a chain, in which each endless chain is arranged to be inclined with an upstream side located below a downstream side. 3. The elongated object supporting means comprises a large number of supporting rollers having an eccentric shaft and juxtaposed to each other, and the vibrating means transmits a rotational driving force to the eccentric shaft of the supporting roller to cause an eccentric movement to the supporting roller. The long object aligning device according to claim 2, wherein the device is caused to vibrate and the supporting roll is vibrated. 4. The long object arranging device according to claim 3, wherein the vibrating means divides the support roller of the long object supporting means into two parts and rotationally drives them in different directions. 5. A long object support means is attached to a support frame, and a vibrating means abuts the support frame for pivotally supporting the support frame and the support frame at a position separated from the pivot member, and is driven to rotate. The long object aligning device according to any one of claims 2 to 4, further comprising an eccentric cam that vibrates the support frame around the pivot member.