JP2010005738A - Reinforcement processing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance the utility value of a remaining material after cutting a reinforcement. <P>SOLUTION: The reinforcement processing device includes a control device issuing a first step operation command for performing the fixed amount of feeding movement of the rear end of the reinforcement from a first reinforcement feeding device 26 by a second reinforcement feeding device 27, and a reinforcement movement amount measuring mechanism based on the passage detection of the rear end of the reinforcement by a rear end detection mechanism; a second step operation command for abutting the rear end of the reinforcement against a stopper; a third step operation command for performing a pull-back operation while the movement amount of the reinforcement is measured by the reinforcement moving amount measuring mechanism with the stopper in nonoperating state, and for stopping the pull-back operation when a position moved from the rear end of the reinforcement to the head end side of the reinforcement by the length set by a reinforcement remaining material length setting means comes to a reinforcement cutting device 28; a fourth step operation command for cutting the reinforcement into the length set for the remaining material by the operation of the reinforcement cutting device 28; and a fifth step operation command for supplying the reinforcement cut into the length set for the remaining material to a reinforcement remaining material discharging part 29 with a second driving state successively continued. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention provides a first reinforcing bar feeding device and a second reinforcing bar feeding device which are provided with a reinforcing bar cutting device, which can take in a reinforcing bar from the outside via a reinforcing bar take-in portion and can feed the reinforcing bar into the reinforcing bar cutting device from one end side thereof. An apparatus is provided in the reinforcing bar feeding direction, and the first reinforcing bar feeding apparatus and the second reinforcing bar feeding apparatus are fed into the reinforcing bar cutting apparatus from the first driving state in which a reinforcing bar feeding operation is performed. The present invention relates to a reinforcing bar processing apparatus provided with a drive switching mechanism so as to be able to switch to a second driving state in which the reinforcing bars are pulled back from the rear end side so as to be supplied to the reinforcing bar residual material discharge portion.

  In the conventional rebar processing device, in particular, a ready-made fixed-length rebar is fed by the first rebar feeding device and the second rebar feeding device and cut by the set length for processing by the rebar cutting device. In addition, the remaining material remaining at the end is supplied as it is in the second driving state while being pulled back to the rebar remaining material discharge portion (since this is a well-known technique, there is no particular patent document).

  However, even though they are ready-made rebars, there are dimensional errors due to each rebar, and the length of the remaining steel bars may vary depending on the accumulated processing errors caused by the machining operation. When it was going to be reused, it could not be used immediately and was of low value.

  An object of the present invention is to make it easy to enhance the utility value of the remaining material that is produced after the rebar cutting process.

The first aspect of the present invention includes a first reinforcing bar feeding device and a second reinforcing bar which are provided with a reinforcing bar cutting device, which takes in a reinforcing bar from the outside via a reinforcing bar taking-in portion and can feed the reinforcing bar into the reinforcing bar cutting device from one end side thereof. A feeding device is provided in the reinforcing bar feeding direction, and the first reinforcing bar feeding device and the second reinforcing bar feeding device are moved from the first driving state in which a reinforcing bar feeding operation is performed to the reinforcing bar cutting device. Reinforcing bar processing apparatus provided with a drive switching mechanism capable of switching to a second driving state in which the fed reinforcing bar is pulled back from the rear end side to supply the reinforcing bar residual material discharge part,
A rebar rear end detection mechanism is provided in the first rebar feeding device on the upper side in the rebar feeding direction, and a rebar movement amount measuring mechanism is provided in the second rebar feeding device on the lower side,
Reinforcing bar remaining material length setting means that can freely set the length of reinforcing steel remaining material,
A stopper capable of abutting the rear end of the reinforcing bar is disposed between the first reinforcing bar feeding device and the second reinforcing bar feeding device, and the stopper is in a reinforcing bar abutting action state and a non-acting state. Switchable configuration,
In the first driving state, the stopper is kept in a non-acting state, and based on the detection of the passage of the rear end of the reinforcing bar by the rear end detecting mechanism, the second reinforcing bar feeding device and the reinforcing bar movement amount measuring mechanism A first step operation command for performing a fixed amount feeding movement of the rear end of the reinforcing bar from the first reinforcing bar feeding device;
After the first step operation command, a switching command is given to the stopper so as to enter a reinforcing bar abutting state, and a switching command is given to the drive switching mechanism to enter the second driving state so that the rear end of the reinforcing bar abuts against the stopper. A second step operation command;
After the second step operation command, the stopper is in an inoperative state and the pull-back operation is performed while measuring the rebar movement amount by the rebar movement amount measurement mechanism, and the length of the remaining steel bar from the rear end of the rebar to the rebar front side. A third step operation command for temporarily stopping the pull-back operation when the position close to the length set by the setting means comes to the reinforcing bar cutting device;
A fourth step operation command for cutting a reinforcing bar into its remaining material set length by the operation of the reinforcing bar cutting device after the third step operation command;
Control which issues sequentially the 5th step operation command which continues the 2nd drive state after the 4th step operation command, and supplies the rebar cut to the set length for remaining materials to the rebar remaining material discharge part. A device is provided.

[Action and effect]
At the time of the first step operation command by the control device, the reinforcing bar is cut by the reinforcing bar cutting device by the set length for machining while passing through the non-operating stopper, and the rear end of the reinforcing bar is used for the first reinforcing bar feeding device. Based on the passing, the generation of the remaining material is recognized, and the rear end of the reinforcing bar passes through the first reinforcing bar feeding device, and then the second reinforcing bar feeding device moves the fixed amount to prepare for abutting against the stopper. .
Next, at the time of the second step operation command, the rear end of the reinforcing bar is abutted against the stopper, whereby preparation for measurement of the remaining material set length from the rear end of the reinforcing bar to the front end side is performed.
At the time of the third step operation command, it is aligned with the reinforcing bar cutting device so that cutting can be performed at a position on the leading end side of the remaining material set length from the rear end of the reinforcing bar.
At the time of the fourth step operation command, it is cut to the set length by the cutting operation by the reinforcing bar cutting device, and is taken out from the reinforcing bar residual material discharge portion by the fifth step operation command.
Therefore, even if there is an error in the ready-made rebars or there is a cumulative cutting error, the remaining material of the set dimensions can be automatically and accurately taken out, and reuse after takeout becomes convenient, Economic efficiency has improved.

  In the second aspect of the present invention, the first reinforcing bar feeding device includes a first rotary driving roller that can be driven to rotate forward and backward, and a first idler roller that presses the reinforcing bar against the first rotary driving roller. The reinforcing bar feeding device is provided with a second rotary driving roller that can be driven forward and backward and a second idler roller that presses the reinforcing bar against the second rotary roller, and the rear end detection of the reinforcing bar is detected on the first idler roller. A mechanism is provided, and the rebar movement amount detection mechanism is provided in the second idler roller.

[Action and effect]
The rebar is pressed against the first rotational driving roller by the first idler roller and pressed against the second rotationally driven roller by the second idler roller, so that a more stable feeding operation is performed and stable machining is performed. The set length of the reinforcing bar is cut.

The third aspect of the present invention provides a pair of reinforcing bar clamp devices that move relative to each other between the first reinforcing bar feeding device and the second reinforcing bar feeding device,
Provided with a state switching mechanism for switching between the clamp operation operation state that moves the reinforcing bar clamp device close to each other and the clamp non-operation operation state that moves away from each other,
A state switching command for setting the rebar clamp device to a clamp operation state at the time of a rebar cutting operation by the rebar cutting device and a clamp operation state to be used as the stopper at the time of the second step operation command, To the state switching mechanism.

[Action and effect]
By providing the reinforcing bar clamp device, it can be securely fixed without moving when the reinforcing bar is cut by the reinforcing bar cutting device, and is also provided as a stopper between the first reinforcing bar feeding device and the second reinforcing bar feeding device. As a result, it was possible to carry out the setting cutting of the remaining steel bars with fewer members, and to make a more economical and rational device.

  Embodiments of a reinforcing bar processing apparatus according to the present invention will be described below with reference to FIGS.

  As shown in FIGS. 1, 2, and 3, a bending base 1 made of iron plate formed on an inclined surface that protrudes toward the reinforcing bar processing space side is provided on the lower side, and a reinforcing bar pickup device 2 is used for each. A single rebar 3 picked up from a bundle of a plurality of rebars 3 at a fixed scale and fed by a rebar supply drive unit 5 through a rebar take-up unit 4 is brought along the surface of the bending base 1 along the surface thereof. Thus, a bending portion 6 for bending the reinforcing bar 3 is provided to constitute a reinforcing bar processing apparatus.

As shown in FIGS. 1, 2, 6, and 7, the bending portion 6 includes both a fulcrum shaft 7 and a bending roller 8 that can be rotated around the fulcrum shaft 7. A shear that cuts off the reinforcing bar 3 that is moved in a direction perpendicular to the base 1 (FIGS. 6 and 7) and is slidably attached along the base surface within a set range in the vertical direction. The blade 9 is provided as shown in FIGS.
That is, when bending upward with respect to the rebar 3 supplied, the fulcrum shaft 7 is arranged such that the fulcrum shaft 7 is on the upper side and the bending roller 8 is on the lower side with respect to the rebar 3 supplied from the reinforcing bar supply drive unit 5. And the bending roller 8 are protruded (projection displacement from FIG. 7 to FIG. 6), the bending roller 8 is rotated upward around the fulcrum shaft 7 and bent downward. The fulcrum shaft 7 and the bending roller 8 are displaced up and down so that the bending roller 8 comes to the shaft 7 and the upper side, and the bending roller 8 is rotated downward around the fulcrum shaft 7. After the set dimension and the set number of times of bending, the shearing blade 9 is used for cutting.

  Further, the reinforcing bar processing apparatus is provided with a reinforcing bar receiving member 10 that can receive the reinforcing bar 3 that is cut along the surface of the bending base 1 by being cut by the shearing blade 9. A first support mechanism 11 that supports the receptive position changeable up and down along the surface is provided, and the rebar 3 received by the rebar receiving member 10 is formed by a belt-type conveyor that can be conveyed along the bending base 1. The transport mechanism 12 and a side plate 13 that guides the receiving reinforcing bar 3 on the lateral side along the transport mechanism 12 are provided on the reinforcing bar receiving member 10 so as to be transported in a lateral direction farther from the lower side of the bending portion 6. And a clearance allowing the bending movement of the reinforcing bar 3 along the surface of the bending base 1 is provided between the bending base 1 and the bending movable range of the reinforcing bar 3 by the bending portion 6 is covered. Hard cover The plate 14, are provided along a bending base 1 of the surface to form an iron plate.

As shown in FIGS. 1 to 5, the first support mechanism 11 is provided with a first support frame 11 a for supporting the reinforcing bar receiving member 10 from the upper side of the bending work base 1, and the first support frame 11. The support position of the reinforcing bar receiving member 10 in 11a is configured to be vertically displaceable, and the reinforcing bar receiving member 10 is moved up and down by the drive transmission of the drive motor 17 through the transmission chain 15 and the sprocket 16 from above the bending work base 1. A vertical displacement drive mechanism 18 is provided.
Then, by attaching the upper part of the first support frame 11a to the upper part of the reinforcing bar processing apparatus main body via the first pivot shaft 19, the first support frame 11a can be swung freely in the perspective direction with respect to the surface of the bending work base 1. Then, a first telescopic drive cylinder 21 is provided as a drive device that drives and swings the first support frame 11a between the first support frame 11a and the reinforcing bar processing apparatus main body 20, and the reinforcing bar receiving member 10 is bent. The first support mechanism 11 is provided with a state switching mechanism for changing between a reinforcing bar receiving action state (FIG. 4) close to the surface of the processing base 1 and a non-action state (FIG. 5) separated from the surface of the bending base 1. In addition, the reinforcing bar receiving member 10 is brought into a non-operating state (FIG. 5) when the reinforcing bar 3 is bent by the bending unit 6, and when the reinforcing bar is cut by the shearing blade 9, the reinforcing bar receiving member 10 is used. Rebar action receiving state is provided with first control device for driving switch (FIG. 4).

  In addition to the automatic switching control by the first control device, the first control device is brought into a control release state, and the state switching mechanism can be switched by a manual operation.

  The transport mechanism 12 provided in the reinforcing bar receiving member 10 integrates a rubber belt on the outer surface of an endless chain that is rotated by a rotation driving motor 12a so that the receiving reinforcing bar 3 does not jump, and cuts the processed reinforcing bar cut on the rubber belt. As shown in FIG. 3, the received reinforcing bars 3 are transported in the lateral direction along the bending base 1 and discharged onto the reinforcing bar base 22.

As shown in FIG. 13, a guide plate 23 is provided at the end portion of the reinforcing bar receiving member 10 for discharging the reinforcing bar 3 onto the reinforcing bar receiving base 22 so as to approach the bending base 1 toward the end side in plan view. The bending rebar is transported and released in a posture leaning against the bending base 1 with certainty.
By discharging while transporting in this manner, the posture of the reinforcing bar 3 is aligned at the time of discharge, and a plurality of bundles are easily bundled and taken out.

As shown in FIGS. 1, 2, 3, and 6 to 8, a second support mechanism 24 that supports the hard cover plate 14 so as to be movable in a perspective direction with respect to the surface of the bending base 1 is provided. The plate 14 is supported by the second support mechanism 24 at a covering action position (FIGS. 6 and 8b) close to the bending base 1 and a covering action release position (FIGS. 7 and 8a) away from the bending base 1. A support position changing operation device 25 for changing the position is provided.
In other words, a second support frame 24a is provided for suspending and supporting the hard cover plate 14 from above the bending base 1, and the second support frame 24a is pivotally supported in a swingable direction in the bending base 1. The second support shaft 24b is attached to the upper part of the main body of the bending work base 1 to constitute the second support mechanism 24, and the second telescopic drive cylinder 25a that swings the second support frame 24a is connected to the main body and the second support mechanism 24a. The support position changing operation device 25 is configured to be mounted over the two support frames 24a.

The hard cover plate 14 is a rectangular plate, and the gap between the hard cover plate 1 and the bending base 1 increases toward the outside so that the reinforcing bars 3 can easily enter between the hard cover plate 14 and the base plate 1 at each side. An inclined surface portion 14a is provided.
In addition, the hard cover plate 14 can change the gap between the hard cover plate 14 and the bent base 1 in accordance with the diameter of the reinforcing bar 3 to be processed with respect to the second support frame 24a. It is attached detachably through.

  At the time of bending the reinforcing bar 3 by the bending portion 6, the hard cover plate 14 is positioned at the covering position (FIGS. 6 and 8b), and at the time of cutting by the shear blade 9 after the bending of the reinforcing bar 3, the hard covering plate 14 is provided with a second control device for controlling the operation of the support position changing operation device 25 so as to change the cover 14 to the action release position (FIGS. 7 and 8a).

  In addition to the automatic support position change control by the second control device, the support position can be changed by manual operation by putting the second control device in a controlled release state.

As shown in FIGS. 9 to 12, the reinforcing bar supply driving unit 5 takes the reinforcing bar 3 and feeds the reinforcing bar 3 from one end side to the reinforcing bar cutting device 28 provided with the shearing blade 9. The first reinforcing bar 26 and the second reinforcing bar feeding apparatus 27 are provided in the reinforcing bar feeding direction, and the first reinforcing bar feeding apparatus 26 and the second reinforcing bar feeding apparatus 27 perform a first feeding operation of the reinforcing bar 3. A drive switching mechanism is provided so that the rebar 3 fed to the rebar cutting device 28 from the drive state can be switched to the second drive state in which the rebar 3 is pulled back from the rear end side so as to be supplied to the rebar remaining material discharge unit 29.
The first reinforcing bar feeding device 26 is provided with a first rotation driving roller 26a that can be driven forward and backward and a first idler roller 26b that presses the reinforcing bar 3 against the first rotation driving roller 26a. The first revolving roller 26b is provided with a reinforcing bar rear end detecting mechanism for detecting that the rear end of the reinforcing bar has passed due to the proximity of the first idler roller 26b to the rotation driving roller 26a. Is provided with a second rotation driving roller 27b that can be driven forward and backward and a second idler roller 27b that presses the reinforcing bar 3 against the second rotation drive roller 27b, and a rotary encoder is attached to the second idler roller 27b. The rebar movement amount measuring mechanism is configured.

Between the first reinforcing bar feeding device 26 and the second reinforcing bar feeding device 27, there is provided a reinforcing bar clamp device 30 comprising a pair of fixed clamps 30a and vertically movable clamps 30b that move relatively far from each other. A state switching mechanism is provided for switching between a clamp operation state (FIG. 9) in which the reinforcing bar clamp device 30 is moved close to each other and a clamp non-operation state (FIG. 10) in which the rebar clamp device 30 moves away from each other.
And, by using the state switching mechanism, the rebar clamp device 30 is put into a clamp operation state after passing through the rear end of the rebar (FIG. 11c), and the rebar 3 is pulled back to be used as a stopper for abutting the rear end of the rebar 3. The stopper is configured to be switchable between a reinforcing bar abutting operation state and a non-operation state.

When the fixed rebar 3 is bent by the drive switching mechanism with a set size and a set number of times, the first drive state is set, but after cutting the processed rebar (FIG. 11a), it is shown in FIGS. 11b to 11e. As described above, when returning from the first driving state to the second driving state and pulling back the remaining reinforcing bar remaining material to the reinforcing bar residual material discharging unit 29, the length of the remaining material can be discharged to the set length. The third control device is configured as follows.
That is, in the first driving state, the stopper is maintained in the non-operating state, and the second rebar feeding device 27 and the rebar movement amount measuring mechanism perform the first operation based on the passage detection of the rear end of the rebar by the rear end detection mechanism. A first step operation command (FIG. 11b) for performing a constant feed movement of the rear end of the reinforcing bar from the single reinforcing bar feeding device 26, and a switching command for giving a reinforcing bar abutment action state to the stopper after the first step operation command. The second switching operation command (FIG. 11 c) for giving a switching command to the drive switching mechanism to enter the second driving state and abutting the rear end of the reinforcing bar against the stopper, and the second step operation command after which the stopper is inactivated. Perform the pull-back operation while measuring the rebar movement amount by the rebar movement amount measurement mechanism, and the length set by the rebar remaining material length setting means from the rear end of the rebar to the front end side of the rebar. The third step operation command (FIG. 11d) for temporarily stopping the pull-back operation when the position reaches the rebar cutting device 28, and the rebar 3 by operating the rebar cutting device 28 after the third step operation command. After the fourth step operation command (FIG. 11e) for cutting to the set length for use and the fourth step operation command, the second driving state is continued and the reinforcing bar 3 cut to the set length for the remaining material is replaced by the reinforcing bar residual material discharging portion. The third control device is configured to sequentially issue the fifth step operation command to be supplied to 29.
In addition, the third control device is not only configured to be able to change and adjust the rebar remaining material setting length, but when the rebar remaining material is not reused, the automatic control is canceled and the rebar remaining material is left as it is. It is also possible to discharge without trimming to the set length.

[Another embodiment]
Other embodiments will be described below.

<1> The bending work base 1 may be formed so that the surface is not a sloped surface but along the surface.
<2> The transport mechanism 12 may be a chain type conveyor or a roller type conveyor other than the belt type conveyor.
<3> The conveyance direction by the conveyance mechanism 12 may be a direction away from the bending substrate 1 as long as it is away from the bending substrate 1 in addition to the lateral direction.
<4> The support of the reinforcing bar receiving member 10 by the first support frame 11a may be attached so as to be movable in parallel in a perspective direction with respect to the surface of the bending substrate, in addition to swinging.
<5> The support of the hard cover plate 14 by the second support frame 24a may be attached to the bending base 1 so as to be movable in parallel, in addition to swinging.
<6> The hard cover plate 14 may be a hard material other than the iron plate.
<7> The reinforcing bar clamping device 30 may be arranged not only between the first reinforcing bar feeding device and the second reinforcing bar feeding device but also on the lower side thereof. In this case, the stopper is a reinforcing bar. It is necessary to provide between the first reinforcing bar feeding device and the second reinforcing bar feeding device separately from the clamp device.

  In addition, as mentioned above, although the code | symbol was written in order to make contrast with drawing convenient, this invention is not limited to the structure of an accompanying drawing by this entry. In addition, it goes without saying that the present invention can be carried out in various modes without departing from the gist of the present invention.

Front view of the entire processing equipment incorporating the reinforcing bar processing device described in the embodiment The perspective view of the reinforcing bar processing apparatus of this embodiment Front view of the reinforcing bar processing apparatus of this embodiment Side view of the reinforcing bar processing apparatus of this embodiment The side view which shows the non-operation state of the reinforcing bar receiving member of this embodiment Vertical section side view of the main part of this embodiment Vertical section side view of the main part of this embodiment (A) The principal part perspective view which shows the cover action release position of a hard cover board, (b) The principal part perspective view which shows the cover action position of a hard cover board The front view which shows the bending process part and rebar supply drive part of this embodiment Side view showing the bending portion and the reinforcing bar supply drive portion of the present embodiment (A)-(e) is operation explanatory drawing which shows the relationship between the bending process part of this embodiment, and a reinforcing bar supply drive part. Side view of main part of reinforcing bar clamp device of this embodiment The top view of the principal part of this embodiment

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bending process base 6 Bending part 9 Shearing blade 10 Reinforcing bar receiving member 11 Support mechanism 11a Support frame 12 Conveyance mechanism 14 Hard cover plate 19 Pivot shaft 24 Support mechanism 24a Support frame 24b Pivot shaft 25a Telescopic drive cylinder 26 First rebar Feeder 26a First drive roller 26b First idler roller 27 Second reinforcing bar feeder 27a Second rotary drive roller 27b Second idler roller 28 Rebar cutting device 29 Rebar remaining material discharge part

Claims (3)

A first reinforcing bar feeding device and a second reinforcing bar feeding device that are provided with a reinforcing bar cutting device, take in a reinforcing bar from the outside through a reinforcing bar taking-in part, and can feed the reinforcing bar into the reinforcing bar cutting device from one end side thereof. Reinforcing the reinforcing bar fed to the reinforcing bar cutting device from the first driving state in which the first reinforcing bar feeding device and the second reinforcing bar feeding device are provided in the reinforcing bar feeding direction. A reinforcing bar machining apparatus provided with a drive switching mechanism that can be switched to the second drive state to be pulled back from the rear end side to supply to the remaining material discharge part,
A rebar rear end detection mechanism is provided in the first rebar feeding device on the upper side in the rebar feeding direction, and a rebar movement amount measuring mechanism is provided in the second rebar feeding device on the lower side,
Reinforcing bar remaining material length setting means that can freely set the length of reinforcing steel remaining material,
A stopper capable of abutting the rear end of the reinforcing bar is disposed between the first reinforcing bar feeding device and the second reinforcing bar feeding device, and the stopper is in a reinforcing bar abutting action state and a non-acting state. Switchable configuration,
In the first driving state, the stopper is kept in a non-acting state, and based on the detection of the passage of the rear end of the reinforcing bar by the rear end detecting mechanism, the second reinforcing bar feeding device and the reinforcing bar movement amount measuring mechanism A first step operation command for performing a fixed amount feeding movement of the rear end of the reinforcing bar from the first reinforcing bar feeding device;
After the first step operation command, a switching command is given to the stopper so as to enter a reinforcing bar abutting state, and a switching command is given to the drive switching mechanism to enter the second driving state so that the rear end of the reinforcing bar abuts against the stopper. A second step operation command;
After the second step operation command, the stopper is in an inoperative state and the pull-back operation is performed while measuring the rebar movement amount by the rebar movement amount measurement mechanism, so that the length of the remaining steel bar from the rear end of the rebar to the rebar front side. A third step operation command for temporarily stopping the pull back operation when the position close to the length set by the setting means comes to the reinforcing bar cutting device;
A fourth step operation command for cutting a reinforcing bar into its remaining material set length by the operation of the reinforcing bar cutting device after the third step operation command;
Control which issues sequentially the 5th step operation command which continues the 2nd drive state after the 4th step operation command, and supplies the rebar cut to the set length for remaining materials to the rebar remaining material discharge part. Rebar processing equipment provided with the device.   The first rebar feeding device is provided with a first rotation driving roller that can be driven to rotate forward and backward, and a first idler roller that presses the rebar against the first rotation driving roller, and the second rebar feeding device includes: A second rotation driving roller that can be driven forward and backward and a second idler roller that presses a reinforcing bar against the second rotation drive roller are provided, and the first idler roller is provided with the reinforcing bar rear end detection mechanism, The reinforcing bar machining apparatus according to claim 1, wherein the two idler rollers are provided with the reinforcing bar moving amount measuring mechanism. Between the first reinforcing bar feeding device and the second reinforcing bar feeding device, there is provided a pair of reinforcing bar clamp devices that move relative to each other.
Provided with a state switching mechanism for switching between a clamp operation operation state in which the reinforcing bar clamping device is moved close to each other and a clamp non-operation operation state in which the rebar clamp device is moved away from each other,
A state switching command for setting the rebar clamp device to a clamp operation state at the time of a rebar cutting operation by the rebar cutting device and a clamp operation state to be used as the stopper at the time of the second step operation command, The reinforcing bar machining apparatus according to claim 1, wherein the rebar machining apparatus is configured to be supplied to the state switching mechanism.

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