JPH0692133B2 - Automatic rope winding device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic rope winding device, and more particularly, for forming a power transmission belt,
BACKGROUND OF THE INVENTION There is a spinning step of winding a rope, which is a core of a belt, around a cylindrical body such as a mold. In this step, the rope is automatically installed on the cylindrical body and the device is wound.

[0002]

2. Description of the Related Art In a spinning process, which is one of the processes for forming a conventional power transmission belt, a rotating arm that rotates in a direction close to a rotatably mounted mold and that moves in the axial direction of the mold is used. , A rope winding device consisting of a spinning roll attached to this was used.

In this apparatus, first, a rotary arm is pivoted about a rotary shaft so as to come close to a mold having unvulcanized rubber cloth attached thereto, and then a rope is manually pulled out by a certain length. Then, this was manually wound around the mold for one to two turns, and then the rope tip portion was fixed to a stopper provided at one end of the mold. Then, the tip of the rope separated from the mold surface was cut with scissors, and spinning was performed while rotating the mold. At this time, the rotating arm continuously moves in parallel from one end of the mold to the other end. After the spinning was completed, the rope was cut with scissors, the tip of the rope was fixed to the stopper provided on the other end of the mold, and then the movable table with the rotating arm was returned to the original starting position.

[0004]

However, in the conventional rope winding device, the front end of the pulled-out rope is placed on the mold surface, the rope is wound around the mold, and the front end is locked to the mold stopper. After that, the work of cutting this and the work of cutting the rope after spinning were all performed by workers. For this reason, since the rope winding work depends on the experience and skill of the operator in many cases, the productivity is not stable, and automation of this has been strongly desired.

In view of the above problems, the present invention automatically installs a rope in a cylindrical body, spins it, and cuts the rope after spinning without depending on the experience and skill of the operator. It is an object of the present invention to provide an automatic rope winding device capable of performing the above.

[0006]

That is, an automatic rope winding device according to the present invention is a cylinder in which a rope is rotated while a rope installation device is translated in parallel along the axial direction of a rotatable cylinder. In the automatic rope winding device for spinning a rope, the rope installation device comprises a rotating arm that can be swung in the direction of the cylinder about an axis, and a rotatable arm that moves with the rotating arm and engages with the rope. A touch pulley, a push roll that swivels the outer peripheral surface of the touch pulley and presses a cylindrical body, a pickup arm that can swivel independently of the swivel arm, and a pick-up arm fixed to the arm that grips a rope. It is composed of a clamp part for opening the cable and a cutter part for cutting the gripped rope.

The clamp portion and the cutter portion are arranged in parallel, and the clamp portion is located on the cylindrical body side.

Further, the clamp portion is provided with a movable pressing plate between the pickup arm and a fixed supporting member provided at a position distant from the arm surface, and the pressing plate and the inner wall of the supporting member are provided. There is a gap between which ropes can exist. The pressing plate and the fixed support member of the clamp portion that abut each other are provided with an inner wall having a stepped surface that deforms the rope sandwiched by them so as to bend.

Further, the cutter section is provided between the pickup arm and a fixed support member provided at a position apart from the arm.
A movable blade is provided with a gap between the blade and the inner wall of the support to allow ropes to be present.

[0010]

In the rope automatic winding device according to the present invention, the rotating arm is rotated in the direction of approaching the cylindrical body to position the touch pulley near the surface of the cylindrical body, and then the pickup arm is connected to the rotating arm. After turning in the same direction, the push roll located outside the outer surface of the touch pulley is pressed against the cylindrical surface to grip the end of the rope.In this state, the clamp of the pickup arm is opened and the end of the rope is closed. Can be automatically installed on the surface of the cylinder. Then, the rope is wound around the cylindrical body almost once, and the tip portion is locked to the clip portion of the cylindrical body, and then spinning is started. At this time, the push roll and the pickup arm are located apart from the cylindrical body, and only the touch pulley is close to the cylindrical body.

When the spinning is completed, the touch pulley is moved to a position away from the cylindrical body, and the pickup arm is swung so as to move closer to the cylindrical body. At this time, the rope is grasped by the clamp portion attached thereto, and The rope wrapped around the cylinder is cut by the operation of the cutter. This allows the rope to be cut automatically and this end to be placed in the start condition.

Further, the rope can be easily introduced into the gap between the holding plate of the clamp part and the fixed support member, and the rope can be grasped by the holding plate and the fixed support member, and at the same time, the cutter of the cutter part can be moved. The rope can be reliably cut by. Further, when the rope end portion is bent by the clamp portion, it is directed to the outer side of the cylindrical body even when it is installed in the cylindrical body, so that it is not caught during spinning.

[0013]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a front view of an automatic rope winding device of the present invention, FIG. 2 is a side view of FIG. 1, and FIG. 3 is a view showing a moving device constituting the rope automatic winding device of the present invention. Is. An automatic rope winding device 1 according to the present invention includes a cylindrical body 2 that is rotatably installed, a moving device 3 that translates along a longitudinal axis of the cylindrical body, and is fixed on the moving device 3. It is composed of a rope installation device 4.

The cylindrical member 2 is, for example, a mold used for molding a belt sleeve, and the surface thereof is covered with a rubber covered canvas or unvulcanized rubber. One end of the cylindrical body 2 is fitted to a fixed rotatable support shaft, and the other end is detachably fitted to a movable support shaft.

The moving device 3 includes a rope installation device 4 and a cylindrical body 2.
Of the two rails 8 arranged in parallel on the support base 7, the slide member 9 fitted to the rails 8, and the movable base fixed to the slide member 9. It consists of 6. Moreover, the movable table 6 can be moved by screwing the guide member 10 fixed to the movable table 6 onto the threaded shaft 11. That is, the shaft 1
1 is supported by bearings 12 mounted on both ends of a support base 6, and a geared motor 14 is provided via a clutch 13.
The movable base 6 is connected to the geared motor 14
Move by rotating.

The rope installation device 4 installed on the movable table 6 has a rotating arm 20 which is rotated around the shaft 18 fixed to the base 17 in the direction of the cylinder 2 by the operation of the cylinder 19. is doing. The rotating arm 20 is provided with a rotatable touch pulley 22 at the tip of an end portion 21 provided in a projecting state at the upper part. The touch pulley 22 winds a rope 23 to an appropriate angle, and a constant tension, A so-called spinning tension is applied and the material is wound around the cylindrical body 2. The cylinder 19 for rotating the rotating arm 20 is connected to the base 17 fixed to the movable table 6 and the rotating arm 20. A groove is provided on the surface of the touch pulley 22, and the rope 23 is fitted in this groove to improve the accuracy of the rope's spinning pitch.

On the rotary shaft 28 of the touch pulley 22,
An arm 25 equipped with a rotatable push roll 24 is attached. This arm 25 is a cylinder 27
The cylinder 27 is connected to the rotating arm 20 at one end and to the connecting member 26 connected to the arm 25 at a predetermined angle.

The push roll 24 is the touch pulley 2
The outer peripheral surface of 2 is swiveled. This is because the rope 23 engaged with the touch pulley 22 is pressed by the surface of the cylindrical body 2. The tooth profile provided on this surface prevents the rope 23 from coming off at the beginning of winding by pressing the cylindrical body 2. Further, when the push roll 24 holds the rope 23 on the surface of the cylindrical body 2 around the completion of spinning and winds the rope 23 around the cylindrical body 2 for a few turns, the slack of the rope 23 is prevented.

On the other hand, the pickup arm 30 is fitted on a rotary shaft 31 provided above the rotary arm 20, and can be turned by the operation of a cylinder 32. That is, the end of the pickup arm 30 connected to the connecting member 33 at a predetermined angle is connected to the cylinder 32 whose one end is rotatably attached to the rotating arm 20.

The pickup arm 30 is a rotating arm 20.
Since it is only necessary to rotate the pickup arm 30 independently of the above, it is not necessary to fit the pickup arm 30 into the rotation shaft 31 provided on the rotation arm 20 as described above.

At the tip of the pickup arm 30, a clamp part 35 for holding the rope 23 and a rope 23 are provided.
And a cutter portion 36 for cutting the sheet are arranged in parallel. 4 to 7 show this in detail, and according to this, the clamp part 35 and the cutter part 36 are shown.
In the above, cylinders 37 and 38 are fixed to the wall of the pickup arm 30 by bolts or the like so as to stand upright. Each cylinder 37, 38 has a rod 39, 40
have.

The rod 39 of the clamp portion is provided with a pressing plate 41 made of rubber, synthetic resin or the like having an uneven surface, while the rod 40 of the cutter portion is provided with a thin plate-shaped blade 42.
It is pinched and fixed by 3. Of course, the pressing plate 41 and the blade 42 can be replaced.

The clamp portion 36 and the cutter portion 37
Is located in the space formed by the pickup arm 30 and the L-shaped fixed support member 46 attached to this wall. The rope 2 is provided between the inner wall 47 of the fixed support member and the pressing plate 41, and between the inner wall 47 and the blade 42.
3 has a gap 48 sufficient for penetration. Rope 2
When 3 is interposed in this gap 48, the pressing plate 41 is moved to the inner wall 47 of the cover member by the operation of the cylinder 37 of the clamp portion.
After pressing the rope 23 to clamp the rope 23, the cutter 38 is actuated to move the blade 42 to the inner wall 47 side having the stepped surface of the fixed support member, and the rope 23 is cut.

FIG. 6 shows the clamp portion 35 in operation, and the rope 23 is clamped between the holding plate 41 having the protrusion 49 and the inner wall 47 having the step surface of the fixed support member 46. At this time, the rope 23 is bent. The tip of the rope 23 bent to the outside can be easily locked to the clip portion at the end of the cylindrical body 2, and spinning can be performed without cutting this. If the rope 23 is not bent, the rope end will fall in the spinning direction,
You could spin on this.

Next, the operation of the automatic rope winding device according to the present invention will be described with reference to FIGS. 1 and 8 to 10.

First, FIG. 1 is before winding the rope 23 around the cylindrical body 2. The rope 23 is gripped by the clamp portion 35 fixed to the upright pickup arm 30, and engaged with the touch pulley 22 to wind the rope winding portion. Has been reached.
Further, the rope installation device 4 is a star which is an end of the cylindrical body 2.
It is in the position of G.

Then, as shown in FIG.
Is rotated to move the touch pulley 22 close to the surface of the cylindrical body 2, and then the pickup arm 30 is moved to position the end of the rope 23 near the surface of the cylindrical body 2. Then, after pushing the rope 23 against the cylindrical body 2 while rotating the push roll 24, the cylinder of the clamp portion 35 is operated to release the clamp of the rope 23, and only the pickup arm 30 is rotated to the original position. .

After the rope 23 is wound around the cylinder 2 by rotating the cylinder 2 once in this state, the end of the rope is locked to the clip part of the end of the cylinder 2 to push the roll 2.
Return 4 to its original position. At this time, since the tip portion of the rope 23 is bent by the clamp portion 35,
It is not caught by the rope 23 during spinning. When this is completed, the cylindrical body 2 is rotated, and at the same time, the movable table 6 is moved in the axial direction of the cylindrical body for spinning.

When the spinning is completed, the touch pulley 22 is returned to the original state, and at the same time, the pickup arm 30 is pushed toward the cylinder body 2 to operate the clamp portion 35. That is, the fixed support member 46 and the holding plate 4
When the inclined rope 23 is interposed in the gap 48 provided between the rope 23, the clamp plate 41 is pressed against the fixed support member 46 by the operation of the cylinder 37 of the clamp portion, and the rope 23 is clamped by these. At the same time, the blade 42 is moved by the operation of the cylinder 38 of the cutter unit to cut the rope 23. When the rope end portion is locked to the clip portion at the end portion of the cylindrical body 2, the pickup arm 30 is swung to stand upright.

In this case, the clamp part 35 and the cutter part 36 must be located between the touch pulley 22 and the cylindrical body 2. This is the clamp 35 and the rope 2
This is because it is easy to grasp 3 and cut it with the cutter portion 36. Therefore, it is necessary to sufficiently adjust the length of the pickup arm 30.

Then, the movable table 6 is returned to the initial position and the winding of the rope is completed.

[0033]

As described above, in the automatic rope winding device according to the present invention, the touch pulley, the pickup arm,
Then, the rope ends are placed on the surface of the cylinder by sequentially bringing the push rolls closer to or in contact with the cylinder, and by releasing the rope ends from the clamps, the rope is wound around the cylinder and the ends are Since it can be fixed, and when spinning is completed, the rope can be automatically grasped in the clamp part by swinging and moving only the pickup arm in the direction of tapping, and it can be cut by the operation of the cutter part. As in the prior art, the process that requires the most labor for the operator can be automated, and the productivity of the rope spinning process can be stabilized and rationalized.

Moreover, in the present invention, the rope can be easily introduced into the gap between the holding plate of the clamp portion and the fixed support member, and the rope can be clamped and fixed by the holding plate and the fixed support member. The rope can be cut reliably by moving the blade of the cutter with, and the tip of the rope is not caught in the rope during spinning by bending the tip of the rope with the clamp, so the tip of the rope Also never disconnect.

[Brief description of drawings]

FIG. 1 is a front view of an automatic rope winding device according to the present invention.

FIG. 2 is a side view of a main part of FIG. 1 viewed from the cylindrical body side.

FIG. 3 is a front view of a moving device that constitutes the automatic rope winding device according to the present invention.

FIG. 4 is a plan view of the clamp part and the cutter part in FIG. 2 viewed from the direction A.

5 is a side view of the clamp part and the cutter part in FIG. 2 viewed from the direction B. FIG.

FIG. 6 is a view of FIG. 4 viewed from the direction C, showing a state in which the clamp portion is operating.

FIG. 7 is a view of FIG. 4 viewed from the direction C, showing a state in which the cutter is operating.

FIG. 8 is an operation diagram when the rope automatic winding device according to the present invention installs the rope on the cylindrical body.

FIG. 9 is an operation diagram when the automatic rope winding device according to the present invention is spinning.

FIG. 10 is an operation diagram when the automatic rope winding device according to the present invention completes spinning and grips and cuts the rope.

[Explanation of symbols]

 2 Cylindrical body 3 Moving device 4 Rope installation device 19 Cylinder 20 Rotating arm 22 Touch pulley 23 Rope 24 Push roll 30 Pickup arm 35 Clamp part 36 Cutter part 41 Presser plate 42 Blade 46 Fixed support material

Claims (5)

[Claims] 1. An automatic rope winding device for spinning a rope onto a rotating cylinder while moving the rope installation device in parallel along the axial direction of the rotatable cylinder.
The rope installation device includes a rotating arm that can rotate about an axis toward a cylindrical body, and a rotatable touch pulley that moves together with the rotating arm to engage with the rope.
The rotating arm, comprising: a push roll that swivels outside the outer peripheral surface of the touch pulley to press the cylindrical body; and a clamp part that holds and releases the rope, and a cutter part that cuts the held rope. An automatic rope winding device having a pickup arm that can be independently turned. 2. The automatic rope winding device according to claim 1, wherein the clamp portion and the cutter portion are arranged in parallel, and the clamp portion is located on the cylindrical body side. 3. The clamp portion includes a movable holding plate between a pickup arm and a fixed supporting member provided at a position distant from the arm surface, and between the holding plate and the fixed supporting member. The automatic rope winding device according to claim 1 or 2, wherein there is a gap in which the rope can exist. 4. The rope according to claim 3, wherein the pressing plate and the fixed support member of the clamp portion that are in contact with each other are provided with an inner wall having a stepped surface that deforms the rope sandwiched by them so as to bend. Automatic winding device. 5. The cutter unit comprises a movable blade between a pick-up arm and a fixed support member provided at a position apart from the arm, and a rope is provided between the blade and the fixed support material. 3. The automatic rope winding device according to claim 1, wherein the rope has a gap that can exist.