JPH0452032A - Automatic bending device for reinforcing bar - Google Patents

Abstract

PURPOSE:To form square equipment for construction by connecting a reinforcing bar crosswise mobile device equipped between plural reinforcing bar benders on an automatic reinforcing bar bending device base and a freely turnable driving chain. CONSTITUTION:Plural reinforcing bar benders 4, 4, 4 are equipped on the machine base 1, a reinforcing bar mobile device 5 moving crosswisely as the reinforcing bar (a) is held between the benders is provided freely slidably, a freely turnable driving chain 20 is provided between the reinforcing bar benders on the automatic reinforcing bar bending device to bend the reinforcing bar (a) by each reinforcing bar bender 4, it is connected with the reinforcing bar mobile device 5 to be formed so that the reinforcing bar mobile device 5 can move automatically. In this way, square equipment for construction can be formed surely.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Field of Industrial Application The present invention relates to an automatic reinforcing bar bending device for automatically bending reinforcing bars to form construction equipment.

(B) Prior Art Conventionally, there is an automatic reinforcing bar bending device that automatically bends reinforcing bars as a device for forming reinforcing bars into various shapes to use as construction equipment.

This automatic reinforcing bar bending device has a machine base extending in the left and right direction,
A plurality of reinforcing bar bending machines are installed to bend the reinforcing bars, and a reinforcing bar mounting table is provided at the rear of the machine frame to place the reinforcing bars in the left-right direction and transport them forward.

Furthermore, five reinforcing bar bending machines are slidably attached to the machine base, and the reinforcing bars set on the reinforcing bar bending machines are formed into various shapes.

Moreover, in recent years, in order to downsize automatic reinforcing bar bending devices,
A machine was developed in which three rebar benders were attached to the machine base, and a rebar moving device was installed between any of the rebar benders.

By moving the reinforcing bars while bending them using the reinforcing bar bending machine and the reinforcing bar moving device, the reinforcing bars can be bent by the three reinforcing bar bending machines to form construction equipment of various shapes.

(c) Problems to be Solved by the Invention However, such automatic reinforcing bar bending devices had the following drawbacks.

In other words, the automatic reinforcing bar bending device had a reinforcing bar moving device that could be slid freely on the machine base, but the moving device had to be operated manually.
They were moving the reinforcing bars that were to be bent.

However, manual operation of such a reinforcing bar moving device is very complicated, and when performing the operation, the timing often does not match with the operation of the reinforcing bar bending machine, making it difficult to perform accurate bending. could not.

In addition, when forming reinforcing bars into a rectangular shape, the reinforcing bar moving device between the reinforcing bar bending machines is moved back and forth, and the reinforcing bar A bent in an inverted U-shape is moved to the return side to perform the final bending. Occasionally,
Since the bending allowance had to be taken into consideration, the reinforcing bar moving device had to be stopped slightly before the starting position to form an accurate rectangular shape.

Moreover, since the reinforcing bar automatic bending device is not equipped with a stopping mechanism between the reinforcing bar bending machines, it is not possible to easily stop the reinforcing bar moving device. Due to misalignment, the reinforcing bars could not be formed into accurate rectangular construction equipment.

An object of the present invention is to provide an automatic reinforcing bar bending device that can solve the above problems.

(d) Means for Solving the Problems In the present invention, a plurality of reinforcing bar bending machines are arranged at regular intervals on a machine platform extending in the left-right direction, and a plurality of reinforcing bar bending machines are provided between any of the reinforcing bar bending machines. , an automatic reinforcing bar bending device in which a reinforcing bar moving device that holds reinforcing bars and moves them in the left and right direction is slidably provided, and each reinforcing bar bending machine bends the reinforcing bars. An automatic reinforcing bar bending device is provided, characterized in that the reinforcing bar moving device is configured to be automatically movable by connecting an open drive chain and a reinforcing bar moving device.

Further, in the present invention, the reinforcing bar moving device is provided with a drive switching device that clamps the driving chain 7 to connect the driving chain 7 and the reinforcing bar moving device, and furthermore, the switching device automatically and It is characterized by a configuration that allows manual switching.

Further, in the present invention, the above-mentioned reinforcing bar moving device is configured to perform reciprocating movement between the reinforcing bar bending machines, and the reinforcing bar moving device is provided with a device for adjusting the stopping position of the reinforcing bar moving device moving on the return trip side. It is characterized by the provision of a stop adjustment mechanism.

(E) Functions and Effects In the present invention, reinforcing bars are arranged on a plurality of reinforcing bar bending machines provided on a machine stand, and the reinforcing bars are held between each reinforcing bar bending machine by a reinforcing bar moving device between any number of reinforcing bar bends. While bending this reinforcing bar with a machine,
By moving between them, construction equipment of various shapes is formed.

Moreover, the reinforcing bar moving device connects the reinforcing bars by sandwiching the driving chains 7 disposed between the reinforcing bars by the drive switching device, and automatically moves between the reinforcing bars by rotating the driving chains 7. be able to.

Furthermore, the reinforcing bar moving device can be operated manually by easily releasing the connection with the drive chain 7 using the drive switching device.

In addition, since the drive switching device holds the drive chain 7, for example, when the reinforcing bar moving device is moved and engages with a stopper, the drive chain 7 slides and moves the reinforcing bar to that position. The device can be stopped accurately.

In addition, when forming reinforcing bars into rectangular construction equipment using this automatic reinforcing bar bending device, the reinforcing bar moving device between the reinforcing bar bending machines is moved back and forth, and at that time, on the return side of the reinforcing bar moving device, By stopping the moving device slightly before the starting point using a stop adjustment mechanism provided in the moving device, it is possible to bend an accurate bending portion using a reinforcing machine.

Therefore, according to the present invention, by stopping the reinforcing bar moving device at an accurate position using the stop adjustment mechanism, it is possible to provide a bending allowance and accurately form square-shaped construction equipment.

(F) Embodiment An embodiment of the present invention will be described in detail based on the drawings. In FIG. 1, A shows an automatic reinforcing bar bending device, and
is structured as follows.

That is, as shown in FIGS. 1 and 2, the automatic reinforcing bar bending device A has a plurality of reinforcing bars 4 on a machine base 1 extending in the left-right direction.
Arrange the reinforcing bars at regular intervals, and make the same reinforcing bars curved I! 4, the reinforcing bars a are bent into various shapes.

In this embodiment, 38! Reinforcing machine 4゜4.4
The central reinforcing bar 4 is fixed, the left and right reinforcing bars 4, 4 are slidable in the left-right direction, and the reinforcing bars a installed on each reinforcing bar 4 are shaped, for example, in a rectangular shape. can be formed into

A reinforcing bar mounting part 4a is provided at the front part of the reinforcing bar 4, and the reinforcing bar a is bent by a rotating arm 4b provided on the II part 4a.

Furthermore, in this embodiment, the center and right side reinforcing bars 4, 4
A reinforcing bar moving device 5 is slidably provided between the two.
While the reinforcing bar a is held and moved by the moving device 5, the reinforcing bar a is bent by three reinforcing bars 114 to form a rectangular construction equipment.

Therefore, as shown in Part 3, the process of bending the reinforcing bar a into a square shape will be explained in detail with reference to it.

That is, the reinforcing bar a is placed on three reinforcing bars 4, 4.4 in an erected state, and the substantially central portion of the reinforcing bar a is held between the reinforcing bar moving device 5.

Furthermore, both ends of the reinforcing bar a are bent by the left and right reinforcing bars 194, and then the reinforcing bar a is bent by the operation of the reinforcing bar moving device 5.
move to the right.

Then, the reinforcing bars a
The reinforcing bar a is formed into an inverted U-shape by bending the two parts by about 90 degrees.

Next, the reinforcing bar moving device 5 is moved to the left, the approximate center of the reinforcing bar a is positioned on the central reinforcing bar bending machine 4, and the reinforcing bar a is bent approximately 90 degrees by the same reinforcing bar bending machine 4 to form a square shape. It forms the shape of construction equipment.

The present invention is characterized by the reinforcing bar moving device 5 that operates as described above when forming reinforcing bars a on construction equipment, and the structure thereof will be explained in detail below.

That is, on the front of the approximately H-shaped machine base 1, there are shown figures 4 and 5.
As shown in the figure, a reinforcing bar moving device 5 is mounted on the rail 6 so as to be movable, and the reinforcing bar moving device 5 consists of a vertical moving frame 7 and a running section 8 provided at the bottom of the moving frame 7.
and a reinforcing bar gripping part 9 provided on the upper front part of the moving frame 7.
It is composed of.

As shown in FIGS. 4 to 6, a lower traveling frame 9a and a lower traveling frame 9b extending left and right are attached to the lower part of the moving frame 7, and a traveling frame 9a and a lower traveling frame 9b are attached to both ends of each frame 9a and 9b, respectively. The wheel 10 is supported pivotally.

In addition, 8c is the moving frame 7 and the vertical traveling frame 9a,
The stay with 9b is shown.

Further, a lower traveling frame 9b is attached to the lower end of the movable frame 7 so as to be slidable along the frame 7, and furthermore,
An elongated hole 11 is provided in the frame 7, and a bottle lla protruding from the lower running frame 9b projects into the elongated hole 11.

Further, a spring 12 is connected to the pin Ila and a fixed pin Ilb provided above the elongated hole 11, and the lower traveling frame 9b is urged upward, so that the rail 6 is held between the respective traveling wheels 10. A moving frame 7 is attached to a rail 6 so as to be freely movable.

Further, in the middle of the movable frame 7, an auxiliary frame 7a is provided.
An auxiliary wheel 13, which runs on the upper surface la of the machine base 1, is attached to the same frame 7a.

Further, on the front side of the machine base 1, as shown in FIG. 2, there is a stop for restricting the movement range of the reinforcing bar moving device 5.

A stopper mechanism 14 is provided, and the bending length of the reinforcing bar a can be adjusted by the stopper mechanism 14.

In this embodiment, as shown in FIGS. 6 and 7, a longitudinal kite receiving frame 14a is provided protrudingly along the front surface of the rail 6, and a stomper operating rod 14b is slidably attached to the receiving frame 14a, and the stomper operating rod 14b is slidably attached to the receiving frame 14a. A stopper body 14c is connected to the rod 14b.

Also, on the side of the moving frame 7, as shown in FIGS.
1 is installed, and the engagement plate 14-1 is attached to the stopper body 1.
4c to stop the movement of the moving frame 7.

Furthermore, as shown in FIG. 2, the stopper operating rod 14b has a stopper chain 1 suspended along the rail 6.
4d are connected, and the stopper body 14c is slid by the same chain 14d, so that adjustment will be performed to that extent.

In addition, 14e is a chain connection part of the stopper body 14c,
14f indicates an adjustment handle provided on the central reinforcing bar 4.

In this embodiment, the central reinforcing bar 114 is used as a starting part to reciprocate the reinforcing bar moving device 5 up to the stopper body 14c.

Next, the reinforcing bar gripping section 9 of the reinforcing bar moving device 5 will be explained in detail.

That is, as shown in FIGS. 4 and 5, the reinforcing bar gripping section 9 includes a reinforcing bar grasping rod 15 provided on the upper part of the movable frame 7 and capable of protruding forward, and a vertically elevating rod provided below the same gripping rod 15. It is composed of a receptacle 16 for grasping reinforcing bars.

As shown in FIG.
-1, a reinforcing bar gripping rod 15 of a certain length is mounted so as to be able to protrude freely.

Further, on the upper surface of the cylinder body 7-1, a cylinder stay 7-2 is provided.
An air cylinder 15a is attached to the rod 15b of the cylinder 15a, and a reinforcing bar gripping rod 15
The proximal end of the cylinder 15a connects the gripping rod 1.
5 operations are performed.

In addition, 15c is the lock of the air cylinder 15a)'15b
The bracket of the reinforcing bar gripping rod 15 is shown.

In addition, the horizontal part of the abbreviated receiver support frame 16a is attached to the front surface of the moving frame 7, and
A receiver cylinder 16b is attached to the horizontal part of a, and a reinforcing bar gripping receiver 16 is connected to the upper part of the cylinder 16b.

Moreover, an insertion hole 17 into which the tip of the reinforcing bar gripping rod 15 is inserted is provided in the upper part of the support frame 16a for the receptacle, so that the reinforcing rod gripping rod 15 is installed on the support frame 16a for the receptacle, and the insertion hole 17 is provided in the upper part of the support frame 16a for the receptacle. The receptacle 16 is raised to grasp the reinforcing bar a.

In this embodiment, the reinforcing bar moving device 5 is run along the machine 1, and each reinforcing bar machine 4 bends the reinforcing bars a into various shapes. Rod 1
It is operated manually by holding the 8.

In the present invention, the reinforcing bar moving device 5 includes a drive switching device 1.
9, the moving device 5 is configured to be able to travel automatically or manually, and the configuration will be explained in detail below.

That is, as shown in FIGS. 1 and 4, a drive chain 20 interlocked with a drive motor M is disposed between the rail 6 and the machine base 1, and the drive chain 20 is connected to a drive motor M through a drive switching device 19. The chain 20 and the reinforcing bar moving device 5 are connected.

In this embodiment, as shown in FIG.
A mounting plate 21 is attached to the axle 10a of the upper running wheel 10 provided on the reinforcing bar moving device 5, and the mounting plate 2
1 is bent horizontally, and a chain clamping device 22 for clamping the upper side of the drive chain 20 is attached to the horizontal part 21a.

The chain clamping device 22 includes a clamping plate 23 provided above the drive chain 20, a chain clamping body 24 provided below the chain 20 that can be raised and lowered, and a cylinder 25 for raising and lowering the clamping body 24. has been done.

Then, the clamping plate 23 is horizontally attached to the middle part of the mounting plate 21, the cylinder 25 is attached to the horizontal part 21a of the mounting plate 21, and the chain clamping body 24 is connected to the upper part of the cylinder 25. There is.

With this configuration, the chain clamping device 22 can switch the operation of the reinforcing bar moving device 5 between automatic and manual operation, and when the reinforcing bar moving device 5 is to be operated automatically, the cylinder 25 is raised and the chain clamping body 24 is operated automatically. and clamping plate 23
The drive chain 720 is clamped and connected, and the reinforcing bar moving device 5 can be moved via the drive chain 720 by driving the drive motor M.

In this embodiment, the reinforcing bar moving device 5 is connected to the central reinforcing bar moving device 4,
It moves back and forth between it and the reinforcing machine 4 on the right.

On the other hand, when operating the reinforcing bar moving device 5 manually, by lowering the cylinder 25 of the chain clamping device f22 and releasing the clamping of the drive chain 720 between the chain clamping body 24 and the clamping plate 23, the reinforcing bar moving device 5 can be operated manually. can operate.

Further, when the reinforcing bar moving device 5 engages with the stopper mechanism 14, the driving chain 720 is slid between the chain clamping body 24 and the clamping plate 23 to accurately stop the drive chain.

Therefore, even during automatic operation, by stopping the reinforcing bar moving device 5 at an accurate position, the reinforcing bar a can be accurately bent by the reinforcing bar moving device 4.

In addition, as shown in FIG. 3, this automatic reinforcing bar bending device A includes a stop adjustment mechanism 26 of the reinforcing bar moving device 5 for adjusting the bending position of the reinforcing bar a when forming the reinforcing bar a into an accurate square shape.
The structure is explained in detail below.

That is, a protrusion receiver 27 that can freely protrude laterally is provided on the side of the central reinforcing bar 4, and a stopping protrusion 28 is attached to the side of the reinforcing bar moving device 5 to prevent the reinforcing bar from moving on the return trip. The device 5 is stopped at an accurate position.

In this embodiment, as shown in FIG.
A protruding cylinder 27a is disposed inside the cylinder 4, and a cylindrical holder 27c is attached to the rod 27b of the cylinder 27a.

Furthermore, a magnet 29 is attached to the holder 27c, and the stop protrusion 28 is adhered to the holder 27c by the magnet 29.

On the other hand, in the middle of the auxiliary frame 7a of the movable frame 7, as shown in FIGS. 4 and 5, a projection mounting plate 28a is provided.
is installed vertically, and a bolt 28b is hinged to the mounting plate 28a so that it can move forward and backward.

Then, when the reinforcing bar moving device 5 reciprocates to make the final bend, the protruding receiving portion 27 of the stop adjustment mechanism 2G is projected, and the stopping protrusion 28 of the reinforcing bar moving device 5 is inserted into the receiving portion 27. In response, the reinforcing bar moving device 5 is stopped slightly before the reinforcing bar 4 to provide a bending allowance in the center of the reinforcing bar a.

In addition, in FIGS. 6 and 7, a stop sensor 30 for stopping the drive motor M is provided on the side of the reinforcing bar moving device 5, and the reinforcing bar moving device 5 moves toward the outward path and comes into contact with the stopper body 14c. At this time, the sensor 30 senses the sensor plate 31 attached to the stopper operating rod 14b, and the drive motor M is stopped based on the signal.

Furthermore, on the upper surface of the machine base 1 on the side of the central reinforcing bar machine 4, there are an operation sensor 32 for operating the stop adjustment 1!1I26 of the reinforcing bar moving device 1f5, and a work completion sensor 3.
3 are provided, and each sensor 32, 33 senses the sensor +C4 attached to the movable frame 7, and sends a signal for each work.

In addition, 35 is an operation part of the reinforcing bar automatic oil production WA, and 36 is a control panel of the reinforcing bar automatic bending device A, and the control panel 35 controls each operation of the reinforcing steel automatic oil production 2A.

The reinforcing bar automatic bending device A configured as described above has the following functions and effects.

In the present invention, reinforcing bars a are arranged on a plurality of reinforcing bars 4 provided on a machine base 1, and any one of the reinforcing bars is bent! A reinforcing bar a is held by a reinforcing bar moving device 5 between II4 and 4, and the reinforcing bar a is moved between them while being bent by each reinforcing bar machine 4 to form construction equipment of various shapes.

In addition, the reinforcing bar moving device 5 connects the reinforcing bars by sandwiching the drive chain 72° disposed between the reinforcing bars bending machines 4 and 4 by the drive switching device 19, and the reinforcing bars bending machines 4 and 4 are connected by rotating the drive chains 72o. .4 can be moved automatically.

Furthermore, the reinforcing bar moving device 5 can be operated manually by easily releasing the connection with the drive chain 720 using the drive switching device 19.

Further, since the drive switching device 5 holds the drive chain 720, for example, when the reinforcing bar moving device 5 is moved and engages with a stopper, the drive chain 720 slides to that position. The reinforcing bar moving device 5 can be stopped accurately.

In addition, when forming the reinforcing bars a into a rectangular construction equipment using this reinforcing bar automatic bending device A, the reinforcing bar moving device 5 between the reinforcing bar bending machines 4 and 4 is reciprocated, and at that time, the reinforcing bars are moved. On the return side of the device 5, the stop adjustment mechanism 26 provided in the moving device 5 causes the moving device 5 to be stopped slightly before the starting point, so that an accurate bending portion can be bent by the reinforcing machine 4. .

Therefore, according to the present invention, by stopping the reinforcing bar moving device 5 at an accurate position using the stop adjustment mechanism 26, a bending allowance can be provided and construction equipment having a rectangular shape can be formed accurately.

[Brief explanation of drawings]

FIG. 1 is an overall plan view of an automatic reinforcing bar bending device according to the present invention, FIG. 2 is an overall side view of the automatic reinforcing bar bending device, FIG. 3 is an explanatory diagram showing an operating state for bending reinforcing bars into a square shape, Fig. 4 is an enlarged side view showing the structure of the reinforcing bar moving device, Fig. 5 is a front view of the reinforcing bar moving device, Figs. 6 and 7 are enlarged views of main parts of the reinforcing bar moving device, and Fig. 8 is the reinforcing bar moving device. It is an explanatory view of the stop adjustment mechanism of. In the figure, A: Reinforcing bar automatic bending device 1: Machine base 4: Reinforcing bar machine 5: Reinforcing bar moving device 19: Drive switching bag ff 20: Drive chain 26: Stop adjustment mechanism

Claims (1)

[Claims] 1. A plurality of reinforcing bar bending machines (4) (4) (4) are arranged at regular intervals on a machine base (1) extending in the left-right direction, and any Between the reinforcing bar bending machines (4) (4), there is a reinforcing bar moving device (
In an automatic reinforcing bar bending device in which reinforcing bars (a) are bent by each reinforcing bar bending machine (4), the driving chain (20) is rotated between the reinforcing bar bending machines (4). An automatic reinforcing bar bending device characterized in that the reinforcing bar moving device (5) is movably disposed, and the reinforcing bar moving device (5) is configured to be automatically movable by connecting the driving chain (20) and the reinforcing bar moving device (5). . 2. The reinforcing bar moving device (5) is provided with a drive switching device (19) that clamps the drive chain (20), and the drive chain (20) is
) and the reinforcing bar moving device (5), and furthermore, the reinforcing bar moving device (5) is configured to be switchable between automatic and manual modes by the switching device (19).
Automatic reinforcing bar bending device described in . 3. The reinforcing bar moving device (5) is configured to perform reciprocating movement between the reinforcing bar bending machines (4) (4), and the reinforcing bar moving device (5) is provided with a reinforcing bar moving device that moves in the return direction. (
2. The automatic reinforcing bar bending device according to claim 1, further comprising a stop adjustment mechanism (26) for adjusting the stop position of step 5).