JP2847456B2 - Bundling and transporting device for thin wires - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for binding and transporting thin electric wires.

[0002]

2. Description of the Related Art An automatic bundling machine for automatically bundling a thin electric wire into a donut shape uses a device which sandwiches the bundled electric wire and transports it to a bundling machine in the next step.

Conventionally, as shown in FIG. 5 , this bundle take-up / conveying apparatus includes a pair of front and rear holding arms a, a and a pair of cylinders b, b for moving the holding arms a, a back and forth. The configuration is such that the bundled electric wire c is conveyed in the direction of arrow d while being held between the holding arms a, a like a virtual line.

[0004]

However, since the holding arms a, a advance by the cylinders b, b, the strokes of the cylinders b, b are regulated by stoppers e, e and the like, and the holding arms a, a are moved. Unless a is stopped at an appropriate position, the bundled electric wire c may be crushed.

In addition, in this case, there is a problem that the position of the stoppers e and e must be adjusted by stopping the machine every time the bundle diameter dimension f of the bundled electric wire c changes.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a bundle conveying device capable of automatically stopping a clamping arm at an appropriate position irrespective of a bundle diameter of a bundled electric wire and holding the bundled electric wire without crushing the bundled electric wire. With the goal.

[0007]

Means for Solving the Problems The present invention is used, the number in order to achieve the above object, the disposed opposite form Rutotomoni fixing piece part and the swinging piece so as to sandwich the outer surface of the donut-shaped Tabato wire You
A pair of bifurcated holding arms, a pair of cylinders for respectively moving the pair of holding arms forward and backward, and a tip end of a fixed piece and a swinging piece of each of the holding arms are fixed on the outer surface of the bundled wire. When the rocking piece is rocked when pressed with pressure
It comprises a pair of detection mechanisms that operate, and a pair of fluid pressure circuits that stop and hold each of the cylinders upon detection of the clamping arm pressure contact.

[0008]

[Function] In a case where a pair of holding arms are advanced by each cylinder to hold a bundled electric wire, the holding arm is automatically adjusted to a bundle diameter of the bundled electric wire by a detection mechanism and a fluid pressure circuit. The bundled electric wire can be stopped at a corresponding appropriate position and can be clamped with a predetermined pressing force without crushing the bundled electric wire.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing embodiments.

As shown in FIG. 1, a binding and conveying apparatus 1 according to the present invention comprises a binding unit 2 that binds a bundled electric wire 4, on which a narrow electric wire 3 is bundled in a donut shape, to a binding machine 5. 6 and a conveyor 7 and the like.

[0011] Thus, the bundle transport device 1 is provided with a bundled electric wire 4.
And a pair of air-driven cylinders 10 and 10 for moving the pair of forked arms 9 and 9 forward and backward, respectively.
And

Further, as shown in FIG. 2, the bundle transfer device 1 includes a detection mechanism 11 for detecting that the tip of the holding arm 9 has pressed against the outer surface 8 of the collection wire 4 with a predetermined pressing force, And a fluid pressure circuit 12 for stopping and holding the cylinder 10 by pressure detection.

FIG. 2 shows the configuration of only one cylinder 10 side, but the other cylinder 10 also has the same configuration as that of FIG.

This cylinder 10 is, as shown in FIG.
The slide body 13 is attached to the slide body 13.
Is configured to be movable along the guide rails 14 by a driving device (not shown).

Also, as shown in FIG.
Is attached to a rod tip 15 of the cylinder 10 via a support plate 16, and a mechanical valve 18 is attached to one end of the support plate 16 via a fixing piece 17.

A pair of guide bars 19,
The guide bars 19, 19 are attached.
Are guide members 20, 20 fixed to the slide body 13.
And is slidably inserted through.

A pair of air operated valves 21 and 22 are mounted on the upper surface of one guide member 20.

The holding arm 9 is provided with an arm body 23.
And an L-shaped rocking piece 24 and a pair of rolls 25 and 26 that can roll on the outer surface 8 of the bundled electric wire 4. Further, the arm body 23 has an L-shaped fixing piece 27 and a projecting piece 28.

A swinging piece 24 is swingably connected to the protruding piece 28 via a pivot shaft 29. The front end of the spool 30 of the mechanical valve 18 is in contact with the back of the swinging piece 24. Touch

The tip of the swinging piece 24 and the fixed piece 27
Rolls 25 and 26 are respectively attached to the tips of.

When the outer surface 8 of the bundled electric wire 4 and the rolls 25 and 26 are separated from each other, the roll 25 on the swinging piece 24 is positioned forward by a dimension T from the roll 26 on the fixed piece 27. The state shown by the solid line is held by the spring force of the spring 46 and the operation spring of the mechanical valve 18.

On the other hand, when the holding arm 9 moves forward by the driving of the cylinder 10, only the roll 25 first comes into contact with the outer surface 8 of the bundled electric wire 4 as shown by a virtual line.

Further, when the holding arm 9 moves forward, FIG.
As shown in (1), the swinging piece 24 swings around the axis of the pivot shaft 29, the spool 30 is pressed on the back surface of the swinging piece 24, and both rolls 25 and 26 are bundled. When the wire 4 is pressed against the outer surface 8 with an appropriate pressing force that does not crush the electric wire 4, the mechanical valve 18 is operated.

That is, the detection mechanism 11
Each end of the fixed piece 27 and the swinging piece 24 is
When the pressure is applied to the outer surface 8 with a predetermined pressing force,
It is composed of a mechanical valve 18 and the like that operate by movement.
I have.

Next, as shown in FIG.
Connects the solenoid valve 31 and the air operated valves 21 and 22 through pipes 32 and 33, connects the mechanical valve 18 and the air operated valve 21 through a pipe 34, and connects the mechanical valve 18 and the pipe 33 through a pipe 35. And the air operated valve 22 and the pipe 34
Are connected by a pipe 36 and the pipe 36 and the air operated valve 22 are connected by a pipe 37 to connect the air operated valves 21 and 22 and the cylinder 10 to the regulator 3.
The pipes 40, 41 are connected to each other via the pipes 8, 39.

FIG. 3 shows a state in which the solenoid valve 31 is stopped, and air from the pressure source 44 is supplied to the solenoid valve 31 and the pipe 3.
2. The air is supplied to the inner chamber 42 of the cylinder 10 through the air operated valve 21 and the pipe 41, and the cylinder 1
0 indicates that the air in the inner chamber portion 43 is released through the pipe 40, the air operated valve 22, the pipe 33, and the electromagnetic valve 31, so that the holding arm 9 is retracted.

A description will now be given of a transfer procedure performed by the bundle pickup and transfer device configured as described above.

First, as shown in FIG. 1, the narrow electric wire 3 is cut at a time when it is bundled to a predetermined length on the bundle take-up stand 2.

Thereafter, the solenoid valve 31 shown in FIG. 2 is operated, and air from the pressure source 44 is supplied to the solenoid valve 31 and the pipe 3.
3. The air is supplied to the inner chamber 43 of the cylinder 10 through the air operated valve 22 and the pipe 40, and the cylinder 1
The air in the 0 inner chamber 42 is released via the pipe 41, the air operated valve 21, the pipe 32, and the electromagnetic valve 31, whereby the holding arm 9 moves forward.

The holding arm 9 advances, and the rolls 25, 2
When the wire 6 is pressed against the outer surface 8 of the bundled electric wire 4 with a predetermined pressing force, the mechanical valve 18 is operated as described above, and the piping 34,
35 communicates, and air supplied through the electromagnetic valve 31 and the pipes 33 and 35 flows through the pipes 34 and 36 to operate the air operated valves 21 and 22.

The operation of the air operated valves 21 and 22 closes the air inlets and outlets to the inner chambers 42 and 43 of the cylinder 10, and stops the cylinder 10 (holding arm 9).

At this time, the air supplied to the air operated valve 22 through the solenoid valve 31 and the pipe 33 flows through the pipes 37, 36, and 34. Therefore, once the air operated valve 22 is operated, the air is then bundled. Outer surface 8 of intake line 4
Even if the position of the roll 25 is displaced due to irregularities or the like, the mechanical valve 18 returns to the original state, and the air from the pipe 35 is shut off, the operation of the air operated valves 21 and 22 is maintained, and the cylinder 10 is held ( Locked).

As described above, the holding arm 9 is automatically stopped by the detection mechanism 11 and the fluid pressure circuit 12 at an appropriate position corresponding to the bundle diameter D of the bundled electric wire 4, and the predetermined pressing force is applied. Thus, the bundled electric wire 4 can be held without being crushed.

Also, since the cylinder 10 is securely locked at the stop position, the bundled electric wire 4 does not fall away from the holding arm 9 even if it receives an external force during the transportation.

As described above, when the bundled electric wire 4 is clamped by the clamping arms 9, 9, the bundler 2 shown in FIG. The outgoing wire is wound around the bundled electric wire 4.

The bundled electric wire 4 is connected to the holding arms 9, 9
In the state of being held by
After the predetermined portions are bound, the holding arms 9, 9 are retracted and separated from the bundled electric wire 4, and the bundled electric wire 4 is carried out by the conveyor 7.

When the holding arms 9, 9 retreat from the bundled electric wire 4, the solenoid valve 31 shown in FIG. 2 is stopped and switched, and the air flowing through the pipes 35, 37, 36, 34 is removed. Pull out from the solenoid valve 31 and operate the air operated valve 2
1 and 22 are stopped and switched.

Thereafter, the air from the pressure source 44 is supplied to the electromagnetic valve 31, the pipe 32, the air operated valve 21, and the pipe 4.
1, air is supplied to the inner chamber 42 of the cylinder 10, and air in the inner chamber 43 of the cylinder 10 is supplied to the pipe 40,
By exiting through the air operated valve 22, the pipe 33, and the electromagnetic valve 31, the holding arm 9 is retracted, the roll 25 is separated from the outer surface 8 of the bundled electric wire 4, and the mechanical valve 18 is switched to the original state.

According to the embodiment shown in FIG.
Is driven only by air, and there is an advantage that only two air pipes are required for these moving parts.

It should be noted that the present invention is not limited to the above-described embodiment, and the design can be freely changed without departing from the gist of the present invention. For example, the embodiment of FIG. 2 can be freely operated and driven by hydraulic pressure instead of pneumatic pressure.

[0041]

Since the present invention is configured as described above, the following significant effects can be obtained.

The holding arms 9, 9 are held by the cylinders 10, 10.
When the bundled wire 4 is moved forward to clamp the bundled electric wire 4, even if the bundle diameter D of the bundled electric wire 4 changes, the clamping arms 9, 9 are automatically stopped at an appropriate position, and 4 can be pinched so as not to be crushed.

Further, the present invention can be easily applied to existing bundle take-up / conveyance apparatuses and is excellent in practicality.

[Brief description of the drawings]

FIG. 1 is a simplified plan view showing one embodiment of the present invention.

FIG. 2 is a simplified diagram of a hydraulic circuit.

FIG. 3 is a plan view of a main part.

FIG. 4 is a plan view of a main part.

FIG. 5 is a simplified plan view showing a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 4 Bundling electric wire 8 Outer surface 9 Nipping arm 10 Cylinder 11 Detection mechanism 12 Fluid pressure circuit 24 Oscillating piece 27 Fixed piece

Claims (1)

(57) [Claims] 1. A disposed opposite shape in order to sandwich the outer surface of the donut-shaped Tabato wire having a Rutotomoni fixing piece portion and the swinging piece
A pair of bifurcated holding arms, a pair of cylinders for respectively moving the pair of holding arms forward and backward, and a tip end of a fixed piece and a swinging piece of each of the holding arms are fixed on the outer surface of the bundled wire. When the rocking piece is rocked when pressed with pressure
1. A bundled and conveyed device for a thin wire, comprising: a pair of detection mechanisms that operate ; and a pair of fluid pressure circuits that stop and hold each of the cylinders by detecting clamping arm pressure contact.