JP2002337250A - Method and device for guiding bead wire for bead wire taking-up and molding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for guiding a bead wire by which the quality is upgraded by preventing a disorder between wound layers including the head and terminal parts of a compltely wound product and uses a device of an entirely simple construction with such a convenience of dispensing with parts replacement and maintenance works and further, the operating efficiency can be improved, and a bead wire guide device. SOLUTION: The bead wire taking-up and molding device comprises a drive roll 2 and a plurality of pinch rolls 3a and 3b, at least not less than one unit of a stationary bead guide device 10a and 10b installed on a supply channel X-X for band-like extrusions W between a bead wire taking-up and molding drum 4 and the drive roll 2 and a cutting device 11 for the extrusions W. In addition, a freely rotating support roller 12 is installed on the bead guide device 10b. The bead guide device 10a has recessed section and a side plate 13 which is movable in the width direction so as to deal with the width of the extrusions W.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for guiding a bead wire in a bead wire winding and forming apparatus and a bead wire guiding apparatus, and more particularly, to a terminal portion of a finished wound product of a belt-shaped extruded product and turbulence between winding layers. The present invention relates to a bead wire guiding method and a bead wire guiding apparatus in a bead wire winding and forming apparatus which does not require a driving means for guiding a strip-shaped extruded product.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 4, for example, as shown in FIG. 4, a plurality of bead wires are aligned in parallel, and upper and lower outer peripheral surfaces thereof are made of a rubber-like elastic material (rubber material). Is extruded by the guide roll 1, the driving roll 2, and the plurality of pinch rolls 3a, 3b to the supply path XX of the bead winding forming drum 4.

[0003] The extruded material W sent out on the supply path XX is held at its tip by a clamping means 6 of a guide device 5 installed along the supply path XX, and is driven by a rodless cylinder or the like. The guide device 5 is configured to be conveyed by a predetermined distance L to the supply position P of the bead take-up and forming drum 4 and wound around the bead take-up and form drum 4, and then the guide device 5 is returned to the original position. .

[0004] Then, on the bead winding drum 4,
When the winding of the circular extruded material W is completed by a predetermined number of layers, the strip-shaped extruded product W is cut by the cutting device 8, the wound product of the strip-shaped extruded product W is removed from the bead winding drum 4, and the same operation is repeated again. Is what you do. Reference numeral 9 denotes a vertically movable press roll provided on the bead winding drum 4.

[0005]

However, in feeding and feeding the strip-shaped extruded product W of the conventional bead wire winding and forming apparatus, the clamping means 6 is moved by the driving means 7 such as a rodless cylinder as described above. , The strip-shaped extrudate W is fed in a predetermined length, and when it is completed, the cutting device 8
To cut. At the time of cutting, the clamping means 6 of the guide device 5 retreats to its original position, so that the rear end portion of the strip-shaped extruded material W in which the bead wires are bundled is free and jumps upward. Was causing the disturbance.

The clamping means 6 of the guide device 5
Since the reciprocating movement is repeatedly performed by the drive means 7 such as a rodless cylinder, parts are easily worn or broken, parts need to be replaced or maintained at all times, and it is difficult to improve productivity. there were.

An object of the present invention is to provide a leading end of a finished wound product,
The quality can be improved by preventing disturbance between the winding layers including the terminal portion, and the guide device can eliminate the need for a driving means such as a rodless cylinder. Another object of the present invention is to provide a bead wire guiding method and a bead wire guiding apparatus in a bead wire winding and forming apparatus which can omit operations such as component replacement and maintenance and can improve workability.

[0008]

In order to achieve the above object, the present invention provides a method for guiding a bead wire in a bead wire winding and forming apparatus, comprising the steps of: supplying a strip-shaped extrudate to a bead winding drum; The gist of the present invention is to supply a belt-shaped extruded product to a bead winding drum while guiding the band-shaped extruded product by at least one or more fixed bead guide devices provided near the winding drum and in a supply path of the band-shaped extruded product.

Further, the bead wire guiding device in the bead wire winding and forming apparatus of the present invention is characterized in that at least one or more fixing members are provided in a supply path of the strip extruded material between the driving roll of the strip extruded material and the bead winding drum. The gist is that a bead guide device of a type and a device for cutting a strip-shaped extruded product are installed.

The bead guide device is formed to have a concave cross section so that the side plate can be moved and adjusted according to the width of the strip-shaped extruded material, and a rotatable support roller is provided on the upper surface of the bead guide device. .

As described above, when the strip-shaped extruded material is supplied onto the bead winding drum, the strip-shaped extruded material is provided by at least one or more fixed bead guide devices provided near the bead winding drum and in the supply path of the strip-shaped extruded material. Since the material is supplied to the bead take-up drum while guiding, the quality of the product can be improved by preventing turbulence between the winding layers including the end of the finished product and the terminal, and the guide device is a rodless cylinder. Since the driving means such as the above can be eliminated, the configuration of the entire apparatus is simple, and operations such as parts replacement and maintenance can be omitted.

[0012]

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

In the following description, the same components as those of the conventional example are denoted by the same reference numerals, and description thereof will be omitted.

FIG. 1 is a schematic diagram showing the overall configuration of a bead wire winding and forming apparatus for carrying out a bead wire guiding method embodying the present invention. At least one or more units (in this embodiment, two units are installed on the supply path XX of the band-shaped extruded material W between the pinch rolls 3a and 3b and the bead winding forming drum 4). A fixed bead guide device 10a, 10b) and a cutting device 11 for the strip-shaped extruded material W are installed, and a rotatable support roller is provided on the bead guide device 10b. 12 are installed.

As shown in FIG. 2, the short bead guide device 10a installed near the bead winding drum 4 is formed to have a concave cross section, the side plate 13 can be moved in the width direction, and the strip-shaped extruded product W It is constituted so that it can respond to the width of. In addition, the long bead guide device 10b installed in the middle of the supply path XX of the strip-shaped extrudate W is similarly configured.

At the upper end of the bead guide device 10b, the above-mentioned rotatable support roller 12 for preventing the terminal portion of the strip-shaped extruded product W from jumping up is provided. On the tip side,
A cutting device 11 such as the cutter described above is provided. Reference numeral 1 denotes a guide roll for the strip-shaped extruded product W, and reference numeral 9 denotes a press roll provided on the bead winding drum 4 and capable of moving up and down.

Next, a method of guiding a bead wire in a bead wire winding and forming apparatus will be described.

First, the width of the bead guide devices 10a and 10b is adjusted by moving the side plate 13 so as to correspond to the width of the strip-shaped extruded material W. In such a state, a plurality of bead wires are aligned in parallel, and the upper and lower outer peripheral surfaces thereof are covered with a rubber-like elastic material. It is sent to the supply path XX of the bead take-up drum 4 by the pinch rolls 3a and 3b.

When the leading end of the strip-shaped extruded product W is sent out to the supply path XX, it is inserted into the recess of the long bead guide device 10b installed in the supply path XX, and the short bead guide is inserted. The extruded material W is inserted into the concave portion of the device 10a, and the leading end of the strip-shaped extruded material W is sent to the supply position P of the bead winding drum 4.

Then, the leading end of the strip-shaped extruded material W sandwiched between the bead take-up and forming drum 4 and the presser roll 9 is wound with a predetermined winding layer by rotating the bead take-up and form drum 4 to complete the winding. Bead guide device 1
0b is cut by a cutting device 11 provided on the tip side.

At this time, the rear end of the strip-shaped extruded product W in a free state is pressed by the support roller 12, so that it is prevented from jumping upward, so that disturbance between the winding layers can be prevented.

[0022]

According to the present invention, when the strip-shaped extruded product is supplied onto the bead winding drum as described above, at least one or more fixed type extruders provided near the bead winding drum and in the supply path of the strip-shaped extruded product are provided. Since the belt-shaped extruded material is supplied to the bead winding drum while guiding the strip-shaped extruded material by the bead guide device, the quality of the product can be improved by preventing disturbance of the winding layer including the end of the finished product and the terminal portion. effective.

The present invention also relates to a bead wire winding and forming apparatus for feeding a belt-shaped extruded product obtained by coating a bead wire with a rubber-like elastic material onto a bead winding drum via a driving roll and a guide device. In the wire guiding device, at least one or more fixed bead guide devices and a cutting device for the strip-shaped extruded product are installed in a supply path of the strip-shaped extruded product between the driving roll of the strip-shaped extruded product and the bead winding drum. As a result, the guide device can eliminate the need for driving means such as a rodless cylinder, and therefore, the configuration of the entire device is simple,
Work such as replacement of parts and maintenance can be omitted, and there is an effect that workability can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of an entire bead wire winding and forming apparatus for performing a bead wire guiding method embodying the present invention.

FIG. 2 is an enlarged sectional view taken along the line AA of FIG. 1;

FIG. 3 is an enlarged sectional view taken on line BB of FIG. 1;

FIG. 4 is a schematic configuration diagram of the whole conventional bead wire winding and forming apparatus.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Guide roll 2 Drive roll 3a, 3b Pinch roll 4 Bead take-up forming drum 5 Guide device 6 Clamping means 7 Drive means such as a rodless cylinder 8 Cutting device 9 Pressing roll 10a, 10b Fixed bead guide device 11 Cutting device 12 Support roller 13 Side plate W Strip-shaped extrudate P Supply position L Predetermined distance XX Supply path

Claims (4)

[Claims] 1. A belt-shaped extruded product obtained by covering a plurality of bead wires with a rubber-like elastic material is supplied to a bead winding drum via a guide device, and the band-shaped extruded product is wound into a circular and predetermined layer. In the bead wire guiding method in the bead wire winding and forming apparatus, at the time of supplying the strip-shaped extruded material onto the bead winding drum, at least one or more fixed types provided near the bead winding drum and in the supply path of the strip-shaped extruded material A bead wire guiding method in a bead wire winding and forming apparatus for supplying a bead winding drum while guiding a strip-shaped extruded product by a bead guide device. 2. A bead wire guiding device in a bead wire winding and forming apparatus configured to supply a belt-shaped extruded product obtained by coating a bead wire with a rubber-like elastic material onto a bead winding drum via a driving roll and a guide device. , At least one or more fixed bead guide devices and a device for cutting the strip-shaped extruded product are provided in a supply path of the strip-shaped extruded product between the driving roll of the strip-shaped extruded product and the bead winding drum. A bead wire guiding device in a bead wire winding and forming device. 3. The bead wire guiding device according to claim 2, wherein the bead guide device is formed to have a concave cross section so that the side plate can be moved and adjusted in accordance with the width of the strip-shaped extruded material. apparatus. 4. The bead wire guiding device according to claim 2, wherein a rotatable support roller is provided on an upper surface of the bead guide device.