JP3591999B2 - Method and apparatus for rubber rolling of high elongation wire - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method and an apparatus for rolling rubber of a high elongation wire (a wire cord having an initial elongation exceeding 5% at a load of 5 kg and having a large structural elongation), and more particularly to a tire forming step and a vulcanizing step. The present invention also relates to a rubber rolling method and a device for a high elongation wire, which are processed while securing the necessary elongation of a belt cover material as a tire molding material during running of a tire or the like.
[0002]
[Prior art]
Conventionally, in a manufacturing process of a belt cover material or the like as a tire molding material, a constant tension (tension) is applied to a plurality of aligned steel cords, and a rubber sheet is rolled in a state where the pitch of the wire cords is aligned. Was.
[0003]
[Problems to be solved by the invention]
When using this high elongation wire, it is desirable that the high elongation wire be rolled substantially as it is, that is, the rubber sheet is rolled without tension and pulling. No rolling device has been proposed.
The present invention has been devised in view of such a conventional problem, and it is possible to secure necessary elongation required for a belt cover material as a tire molding material during a tire molding step, a vulcanization step, and running of a tire. It is an object of the present invention to provide a rubber rolling method and a device for a high elongation wire which is rolled to a high elongation.
[0004]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a creel stand on which a plurality of reels around which a wire cord is wound are wound, a pull-out drive roller for pulling out a wire from the reel of the creel stand, and a plurality of pulled-out reels. A dancer device that provides a predetermined slack in the wire cord, a aligning device that aligns the slacked wire cord in the dancer device at an equal pitch, and an unvulcanized rubber sheet material or a kneaded rubber material is supplied to the wire code. The gist comprises a calendar device for coating, a dancer device for providing a predetermined slack in the rubber-coated laminated sheet material , and a winding device for winding the laminated sheet material without applying tension. .
[0005]
When laminating the rubber material in the kneaded state on the front and back surfaces of the aligned wire cord, the winding device may be provided with a liner supply device for supplying the liner between the rubber sheet materials while applying tension to the liner. .
The present invention is configured as described above, and pulls out each of the high elongation wire cords from a plurality of reels wound around a creel stand and inserts them into a drawer driving roller. After the wire cord is slackened by a predetermined length in the apparatus, the uncured rubber sheet material is supplied to the front and back surfaces of the wire cords in a state where the wire cords are aligned at the same pitch by the aligning device, and the bonded sheets are bonded together. Is wound up so that a predetermined slack is provided so that no tension is applied to the bonded sheet material .
[0006]
In addition, each of the high elongation wire cords is pulled out from the plurality of reels wound around the creel stand and inserted into the drive roller for pulling out, and each of the inserted wire cords is loosened by a predetermined length in the dancer device. After that, in a state where the wire cords are aligned at an equal pitch by the aligning device, a rubber material in a kneaded state is supplied to the front and back surfaces of the wire cords and bonded in a sheet shape, and the bonded sheet material is wound up by a winding machine. When winding in order, a predetermined slack is provided so that no tension is applied to the laminated sheet material .
[0007]
When the laminated sheet material is sequentially wound by a winder, it is possible to sequentially wind the laminated sheet material with a tensioned liner interposed therebetween.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a schematic front view showing a first embodiment of the entire rubber rolling device for a high elongation wire according to the present invention. The rubber rolling device 1 includes a high elongation wire cord, that is, a high elongation wire. A creel stand 3 (see FIG. 2) on which a plurality of reels 2 around which the cord W is wound is wound, and pull-out drive rollers 4a and 4b for pulling out the wire W from each reel 2 of the creel stand 3. A dancer device 5 for providing a predetermined slack in the plurality of wire cords W, a aligning device 6 for aligning the wire cords W provided with the slack Q in the dancer device 5 at equal pitches, Dan provided a calender device 7 for coating an unvulcanized rubber sheet material X that has laminated an unillustrated liner, a predetermined slack lamination sheet material Wx that rubber coat And over apparatus 8, and a winding device 9 for winding alignment so as not to apply tension to the sheet material Wx stuck.
[0009]
A band brake (not shown) is provided on the support shaft 2a of each reel 2 around which the wire cord W wound around the creel stand 3 is wound so that the reel 2 does not rotate freely. an extraction drive roller 4a, between the 4b, Gaidosu Tan de 10 for guiding the wire cord W is installed.
[0010]
As shown in FIGS. 1 and 2, a pair of upper and lower grooves having a plurality of (six in the embodiment of FIG. 1) grooves on the peripheral surface thereof are provided as pull-out drive rollers 4 a and 4 b for pulling out the wire W. The drawer drive roller 4b on the lower side is configured to be rotationally driven via a motor M.
Further, the dancer device 5 is provided with a rod 13 that can be moved up and down along the LM guide 12 on the support member 11 that is erected, and the rod 13 holds the wire cord W to have slack. A plurality of sensors 14 for detecting the slack position of the wire cord W are provided on both sides of the support member 11 in the longitudinal direction.
[0011]
On the side of the dancer device 5, a guide stand 15 for guiding the wire cord W similar to the guide stand 10 is provided upright.
Next, as shown in FIG. 1, the calender device 7 for coating the wire cord W with the unvulcanized rubber sheet material X includes a pair of upper and lower rolling rolls 16a and 16b, and an unvulcanized rubber having a liner attached to the outside. And a supply mechanism 17 for supplying the sheet material X to the front and back sides of the wire cord W.
[0012]
The pair of upper and lower rolling rolls 16a and 16b are driven to rotate in a direction in which the wire cord W is wound through a driving device (not shown).
On the insertion side of the pair of upper and lower rolling rolls 16a and 16b, on which the wire code W is inserted, a aligning device 6 for aligning the wire cords W at the same pitch is installed. The aligning device 6 includes the rolling rolls 16a and 16b. A plurality of through-holes (not shown) through which the wire cords W are inserted at a constant pitch are formed in parallel in the width direction of 16b. The rubber sheet material X is supplied between the rolls 16a and 16b, and the front and back surfaces of the rubber sheet material X are coated with the rolls 16a and 16b heated to a predetermined temperature.
[0013]
Reference numeral 17a denotes a guide roller for holding the upper and lower surfaces of the rubber- coated bonded sheet material Wx for conveyance.
A dancer device 8 for adjusting the tension of the laminated sheet material Wx is installed behind the calender device 7 as described above, and the dancer device 8 is mounted on an upright support member 19 along an LM guide 20. A vertically movable rod 21 is provided, and a guide roller 23a provided on the rod 21 holds the laminated sheet material Wx so as to have a certain slack, and a protruding support member is provided above the support member 19. Guide rollers 23b and 23c for guiding the bonded sheet material Wx are provided at the leading end of 22.
[0014]
Further, a plurality of sensors 24 for detecting the slack position Q of the bonded sheet material Wx are provided on both sides in the longitudinal direction of the support member 19.
As shown in FIGS. 3 and 4, the winding device 9 installed on the side of the dancer device 8 has two sets rotatable via a drive motor 25 on the upper and lower portions of the support member 18 which is erected. , And a guide arm 27 of a laminated sheet material Wx that slidably slidably contacts the outer peripheral surface of the take-up roll 26. The support frame 18 that supports the take-up roll 26 includes: A liner supply device 29 for supplying the liner R while applying tension between the bonded sheet materials Wx via the support bracket 28 is attached.
[0015]
FIG. 1 shows an embodiment in which a set of a take-up roll 26 and a guide arm 27 are provided, and a liner supply device 29 is not particularly provided as described later. As shown in FIGS. 3 and 4, the liner supply device 29 coats the wire cord W with the unvulcanized rubber sheet material X adhered to the liner R, and applies the liner R to the front side of the laminated sheet material Wx. In the case where is attached, there is no particular need to provide.
[0016]
The guide arm 27 pivots around a bearing member 31 on a support base 30 laid horizontally on the support member 19 of the dancer device 8 as a fulcrum O, and the tip of the guide arm 27 slides on the bonded sheet material Wx. A rotatable roller 32 in contact therewith is mounted.
Therefore, the rotatable roller 32 of the guide arm 27 always comes into sliding contact with the outer peripheral surface of the take-up roll 26, and when the lamination sheet material Wx is sequentially taken up by the take-up roll 26 and the diameter thereof increases, the guide is guided. The rotatable roller 32 of the arm 27 also turns upward with the bearing member 31 as a fulcrum O.
[0017]
In the case where the liner supply device 29 attached to the support frame 28 via the support bracket 29 is used, that is, when the rubber cord material X kneaded on the wire cord W without using the liner R is coated. A liner take-up roll 34 is attached via a bearing member 33, and the liner R unwound from the liner take-up roll 34 is attached to the tip of a bearing member 35a of a support bracket 35 attached horizontally to the support frame 28. It is wound around the take-up roll 26 via the attached guide roller 36, and the liner R is configured to be constantly tensioned through the liner shaft brake 33a.
[0018]
Next, a rubber rolling method for a high elongation wire using the rubber rolling device 1 as described above will be described.
First, the high elongation wire cord W is pulled out from each of the plurality of reels 2 wound around the creel stand 3, and is passed through the drawing drive rollers 4 a and 4 b via the guide stand 10.
[0019]
Then, after each of the inserted wire cords W is loosened by a predetermined length in the dancer device 5, the wire cords W are aligned at equal pitches by the alignment device 6, and liners R are formed on the front and back surfaces thereof. Is supplied on the outer side of the wire cord W by supplying an unvulcanized rubber sheet material X having the outside bonded.
That is, an unvulcanized rubber sheet material X having a liner R affixed to the outside from the front and back sides of the wire cords W aligned at equal pitches by the aligning device 6 is supplied, and the pair of upper and lower rolling rolls 16a, 16b is used. The laminated sheet material Wx is formed by laminating while rolling.
[0020]
Thereafter, the upper and lower surfaces of the laminated sheet material Wx are sandwiched and guided to the dancer device 8 via the guide roller 17a. In the dancer device 8, the laminated sheet material Wx is pressed to have a certain slack. In this state, the sheet is conveyed to the winding device 9 side.
In the winding device 9, the lamination sheet material Wx which is conveyed via the guide arms 27 swingably in sliding contact with the outer peripheral surface of the take-up roll 26, to impart a predetermined tension to the lamination sheet material Wx It winds up sequentially.
[0021]
Next, FIG. 5 shows another embodiment of the calender device 7 for coating the wire cord W with the rubber sheet material X. This embodiment is different from the first embodiment in that the unvulcanized rubber sheet material X is formed by a wire. While the front and back surfaces of the cord W are coated while being rolled by the rolling rolls 16a and 16b, in this embodiment, the kneaded rubber material Xa is converted into a calender roll device including a plurality of calender rolls 37a. The kneaded rubber material Xa is supplied to a bank 38 of 37, and coated and molded while being rolled on the front and back surfaces of the wire cord W that has been kneaded at an equal pitch by the kneading device 6.
[0022]
In this embodiment, when winding the bonded sheet material Wx on the winding roll 26 of the winding device 9, a state in which a constant tension is maintained from the liner supply device 29 so that the bonded sheet materials Wx do not adhere to each other. Supplies the liner R to the laminated sheet material Wx.
Since the other configuration is the same as that of the first embodiment, the same reference numerals are given and the description is omitted.
[0023]
That is, the rubber rolling method of the high elongation wire in the second embodiment is substantially the same as that of the first embodiment, but the front and back sides of the wire cords W aligned at the same pitch by the alignment device 6 are The difference is that a rubber material Xa kneaded by a kneading device (not shown) is rolled and formed on the front and back surfaces of a wire cord W aligned by a plurality of calender rolls 37a.
[0024]
As described above, according to the present invention, the elongation required for the belt cover material as a tire molding material can be ensured by the above-described configuration and rolling method during the tire molding step, the vulcanization step, and the running of the tire. The rubber rolling of the high elongation wire to be rolled can be efficiently performed.
[0025]
【The invention's effect】
Since the present invention is configured as described above, the wire cord is not formed so that the elongation required for the belt cover material as the tire molding material can be secured during the tire molding step, the vulcanization step, and the running of the tire. There is an effect that a vulcanized rubber sheet material or a kneaded rubber material can be efficiently rolled to produce a belt cover material as a tire molding material having a high elongation wire therein.
[0026]
In addition, it has a simple structure, can be manufactured at low cost, can easily perform maintenance, and has an effect of improving workability and productivity.
[Brief description of the drawings]
FIG. 1 is a schematic front view showing a first embodiment of an entire rubber rolling device for a high elongation wire according to the present invention.
FIG. 2 is a partially enlarged front view of a creel stand and a dancer device of a rubber rolling device.
FIG. 3 is an enlarged front view of a dancer device and a winding device 9 of the rubber rolling device.
FIG. 4 is a side view taken along the line AA of FIG. 3;
FIG. 5 is a schematic front view showing a second embodiment of the entire rubber rolling device for a high elongation wire of the present invention.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 rubber rolling device 2 reel 3 creel stand 4 a, 4 b drawing drive roller 5 dancer device 6 aligning device 7 calendar device 8 dancer device 9 winding device 10 guide stand 11 support member 12 LM guide 13 rod 14 sensor 15 guide stand 16 a , 16b Rolling roll 17 Supply mechanism 18 Support member 19 Support member 20 LM guide 21 Rod 22 Support members 23a, 23b, 23c Guide roller 24 Sensor 25 Drive motor 26 Take-up roll 27 Guide arm 28 Support bracket 29 Liner supply device 30 Support base 31 Bearing Member 32 Roller 33 Bearing Member 33a Liner Shaft Brake 34 Liner Winding Roll 35 Support Bracket 35a Bearing Member 36 Guide Roller W Wire Cord X Rubber Sheet Material W x Laminated sheet material Xa Rubber material R Liner

Claims (6)

After pulling out the high elongation wire cords from the plurality of reels wound around the creel stand and inserting them into the pull-out drive roller, the inserted wire cords are slackened by a predetermined length in the dancer device. In a state where the wire cords are aligned at an equal pitch by a aligning device, an unvulcanized rubber sheet material is supplied and bonded to the front and back surfaces, and when the bonded sheet material is sequentially wound by a winding machine, A rubber rolling method for a high elongation wire, wherein a predetermined slack is provided and the laminated sheet material is wound so as not to apply tension. The high elongation wire according to claim 1, wherein when the unvulcanized rubber sheet material is supplied to the front and back surfaces of the aligned wire cord, the uncured rubber sheet material is bonded with a liner interposed therebetween. Rubber rolling method. Each of the high elongation wire cords was pulled out from the plurality of reels wound around the creel stand and inserted into the pull-out drive roller, and each of the inserted wire cords was slackened to a predetermined length in the dancer device. After that, in a state where the wire cords are aligned at an equal pitch by a aligning device, a rubber material in a kneaded state is supplied to the front and back surfaces of the wire cords and bonded in a sheet shape, and the bonded sheet material is wound by a winding machine. A rubber rolling method for a high elongation wire, characterized in that, when sequentially wound, a predetermined slack is provided so that tension is not applied to the laminated sheet material . The rubber rolling method for a high elongation wire according to claim 3, wherein when the laminated sheet material is sequentially wound by a winder, winding is performed sequentially with a liner provided with tension. A creel stand on which a plurality of reels around which a wire cord is wound are wound, a drive roller for pulling out a wire from the reel of the creel stand, and a dancer device for providing a predetermined slack in the plurality of drawn wire cords. And a aligning device for aligning slackened wire cords at equal pitches with a dancer device, a calendering device for supplying an unvulcanized rubber sheet material or a kneaded rubber material to the wire cords for coating, and rubber-coated lamination a dancer device providing a predetermined slack in the sheet material, a rubber mill of high elongation wire, characterized in that it consists of a winding apparatus for winding so as not to apply tension to the lamination sheet material. The liner supply device according to claim 5, wherein when the rubber material in the kneaded state is bonded to the front and back surfaces of the aligned wire cord, the winding device is provided with a liner supply device for supplying tension while applying tension to the liner between the rubber sheet materials. A rubber rolling device for the high elongation wire described.

Images