JP4180717B2 - Process for producing processed code - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a method for producing a processed cord such as an adhesive or a resin treatment mainly used as a reinforcing material for tires, and in particular, a long length in which wefts are woven by driving a plurality of warp yarns at required intervals in the longitudinal direction. The present invention relates to a method for obtaining a treated cord from a bamboo fabric.
[0002]
[Prior art and problems to be solved by the invention]
In recent years, it has been proposed to use a single cord as a structural part that uses a cord such as a reinforcing layer in a tire as a reinforcing material so that a joint portion is not generated in the circumferential direction (jointless tire).
[0003]
The cord used for this needs to be subjected to dipping treatment such as adhesive and resin treatment, heat set treatment, etc. in order to improve the adhesion to rubber and form stability. Because of this problem, processed code such as dipping is quite expensive.
[0004]
In other words, in order to obtain a treated cord in the dipping, extended at one code wound Bo bins, dipping process, perform heat setting is energy inefficient.
[0005]
Moreover, by parallel code 1000-2000 pieces of single, de I mappings processing, even if the use of large equipment for heat setting, easy to move for each code are not connected to each other, the code in process step of dipping Troubles such as breakage are likely to occur, and if a cord break occurs, the cut cord is entangled with the whole, and a great deal of labor is required to remove the thread and re-thread the thread.
[0006]
Therefore, in order to obtain a tire having a jointless structure at a low cost, it has been desired to develop a method capable of easily manufacturing a processed cord such as dipping and manufacturing at a low cost.
[0007]
The present invention has been made in view of the above, and for a plurality of warp fabrics, i.e., fiber cords, conventionally used for a tire reinforcing layer, it serves as a linkage for each required interval in the longitudinal direction. Focusing on the weave fabric weaved with the fine wefts we squeezed, we focus on the fact that there is no risk of yarn breakage or entanglement, and that we can efficiently perform treatments such as adhesives, resin treatments and heat sets. By removing and pulling out the cord which is the warp from the braided fabric, the treated cord can be easily obtained at low cost.
[0008]
[Means for Solving the Problems]
The method for producing a processed cord of the present invention that solves the above-described problem is that a long weave fabric obtained by weaving a number of warp yarns at every required interval in the longitudinal direction is subjected to a treatment such as a resin treatment. leave wound into a roll after, the wound body of the cord fabric, the warp yarns of said textile, sequentially detach one by one from the one axial end side, a manufacturing method of the treated cord to pull-out in the axial direction A guide member that extends in the radial direction and has a yarn introduction hole at the extended end portion is freely arranged at the end portion of the core on the warp drawing side , and the warp yarn is inserted into the yarn introduction hole. The warp is pulled out in the axial direction while rotating the guide member in accordance with the transition of the warp drawing position accompanying drawing .
[0009]
In the above, as described in claim 2, the winding fabric of the interwoven fabric is supported with the axial center set in the vertical direction and the axial one end side opened upward, or the axial center is set substantially horizontal in the axial direction. on the other hand the end side is supported by cantilever is opened laterally, Ru can be pulled out in the axial direction of the warp upward or sideways.
Before reporting, as in the invention of claim 3, or is positioned substantially intermediate winding thickness of the wound body of the position of the yarn guide hole, or warp drawn position the extending length in the radial direction of the guide member It is good to be able to change according to.
[0010]
According to a fourth aspect of the present invention, the next warp drawn next to the drawn warp is pressed by a pressing means such as a rubber band attached to the outer periphery of the winding fabric of the comb fabric or a roller that presses the outer periphery of the winding. It is characterized by pulling out the warp while regulating
[0011]
The invention of claim 5, Oite the method, in advance to form a raised portion of the weft density on the winding finish end portion of the cord fabric, warp in the vicinity of the winding finish end portion including a raised portion of the weft density Are cut one by one so as to leave the end of the winding , and the cut warp is separated from the wound body side and pulled out in the axial direction .
[0012]
In the invention of claim 6, the outer end of the winding left as described above is adhered to a backing plate attached to the outer periphery of the wound body so as to regulate the falling toward the inner side of the wound body on the outer periphery of the wound body. It is characterized by keeping.
[0013]
According to a seventh aspect of the present invention, in the method, the warp is pulled out while appropriately cutting and removing the end of the weft so that the weft end remaining in a beard shape does not exceed a certain length due to the drawing of the warp. Features.
[0014]
The invention according to claim 8 is to prevent the length of the bead-shaped weft end from exceeding 40 mm.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the present invention will be described with reference to the drawings together with a device used.
[0016]
FIG. 1 is a perspective view showing an outline of one embodiment of the present invention, and FIG. 2 is an enlarged view showing a state in which a warp is pulled out from a weave fabric.
[0017]
The long weave fabric (1) used as a raw material uses a fiber cord or the like to be manufactured as a warp, and a large number of such cords, for example, 1000 to 2000 warps (2), and these warps (2) It is woven with thin wefts (3) that are driven at every required interval in the longitudinal direction and connect the warps (1a). The weft yarn (3) may be woven by driving a finite yarn cut at both end portions in addition to continuously driving one yarn by folding back at the side end portion of the fabric. The spacing between the wefts (1) does not cause any problems in handling such as subsequent adhesive, resin treatment, and heat treatment, and allows the warp yarn (2) to be easily drawn out from the interwoven fabric (1) after treatment. The interval is relatively large so that it can be set, for example, in the range of 10 to 150 mm. If the warp yarn (3) is in a state where the warp yarn (2) and the weft yarn (3) are firmly bonded by resin treatment or the like, it may be difficult to pull out the warp yarn. The adhesiveness may be lowered.
[0018]
When the reinforcing fabric such as a tire belt is composed of a single cord, the tinted fabric (1) varies depending on the tire size, but generally requires 700 to 1000 m. The weave fabric (1) woven into a long length of 1000 to 3000 m is subjected to necessary adhesive, resin treatment, heat treatment and the like by ordinary means. This treatment can be easily performed in the same manner as the treatment of a normal woven fabric, and the warp yarn (2) that becomes a large number of cords can be efficiently treated at a time.
[0019]
After this treatment, the interwoven fabric (1) is wound into a roll. (4) shows the winding core, and the winding start end of the interwoven fabric (1) is fastened to the winding core (4) by a fastening means such as an adhesive tape. (5) shows the wound body, and the winding end is stopped so that the wound state can be maintained.
[0020]
At the beginning and end of winding of the weave fabric (1), a portion with a width of about 50 to 150 mm and a dense weft thread (3) , that is, a portion with a high weft density (6) is formed. It is possible to maintain the woven form.
[0021]
When pulling out the warp yarn (2) from the interwoven fabric (1), for example, as shown in FIG. 1, the winding body (5) is moved in the axial direction with the axial center, that is, the winding core (4) in the vertical direction. The end side is opened upward and supported. (10) shows the supporting device, which has a tray shape capable of receiving and supporting the lower side end portion of the wound body (5). Although the said winding body (5) changes with the winding diameter and fabric width, since it becomes quite heavy, in order to support the weight stably, a winding body (5) is accommodated in a box, and as mentioned above. You may support in a saddle type.
[0022]
In order to pull out the warp (1) from the wound body (5) supported as described above, the end of the winding end having the portion (6) with the higher weft density from the upper end side which is one end in the axial direction. cut so as to balance the winding finish end portion as shown in FIG. 2 the warp (2) an attempt to get near one by one (C), wound of the warp (2) the cord fabric (1) which was cut Pull out from the lower part of the body (5) and pull it upward in the axial direction, and pull it out while releasing the entanglement with the weft (3) or fixing due to resin treatment, etc., for example as shown in the figure It winds on a bobbin etc. by a winding means (12) through a guide roller (11). In addition, the drawn warp (2) can be directly sent to the next step. (13) indicates a winding motor.
[0023]
In this way, when the uppermost warp (2) has been drawn, the next warp (2) is cut off in the vicinity of the end of the winding and drawn upward in the same manner as described above, and one by one from the upper stage in order. Just pull it out. As a result, a treatment such as an adhesive or a resin treatment is performed, and a single treated cord that can be used for a reinforcing layer of a tire or the like is obtained.
[0024]
When the warp yarn (2) is drawn, the drawing position shifts in the direction opposite to the winding direction along with the drawing, and therefore, as shown in FIG. A guide member (14) extending in the radial direction at the end of the core (4) and having a yarn introduction hole (14a) at the extended end is arranged freely to rotate, and the warp (2) is provided. Through the yarn introduction hole (14a), the warp yarn (2) can always be drawn substantially in the axial direction while rotating the guide member (14) in accordance with the transition of the warp drawing position. By doing so, the warp (2) can be pulled out relatively easily with little resistance due to the entanglement of the weft (3).
[0025]
Further, the drawing position of the warp yarn (2) also changes in the radial direction from the outer diameter portion to the inner diameter portion of the wound body (5) with the drawing. Therefore, the position of the yarn introduction hole (14a) of the guide member (14) is positioned substantially in the radial direction of the wound body (5), or the extension length of the guide member (14) is set to the above-mentioned length. In order to suppress an increase in the warp pull-out resistance, it is desirable that the angle change with respect to the axial direction of the warp pull-out direction is made as small as possible by changing the pull-out position automatically.
[0026]
When the warp yarn (2) is drawn, the warp yarn (2) adjacent to the warp yarn (2) from which the rubber band (15) is drawn as shown in FIG. Wear it to keep it down. As a result, the drawing of the adjacent warp (2) is restricted, and only one warp (2) can be reliably pulled out. This rubber band (15) shifts the mounting position downward by one warp for each drawing of each warp (2).
[0027]
Instead of the rubber band (15), the warp (2) adjacent to the drawn warp (2) may be pressed by pressing means such as a roller.
[0028]
Further, when the drawing of the warp yarn (2) proceeds, the remaining end portion of the winding is attached to the outer periphery of the wound body (5) so as not to fall inward of the wound body (5). It is preferable that the end of the winding is adhered to the backing plate (16) of the standing support device (10). Thereby, it can prevent that the said winding end end part cut and left as mentioned above falls inward of a wound body (5), and obstructs drawing | extracting of a warp (2).
[0029]
Further, by pulling out the warp (2), the end of the weft (3) remains in a beard shape, and the longer the beard-like weft end (3a) is, the longer the warp (2) is withdrawn. It is easy to get entangled and the pulling resistance of the warp is increased, so that a large pulling force is required. Further, when the weft end (3a) is cut, if the cut end is entangled with the warp (2) and pulled out as it is, it becomes an obstacle when used as a processed cord.
[0030]
Therefore, the weft end portion (3a) remaining in the beard shape is appropriately cut by a cutting means such as a scissors or a clipper so that the weft end portion (3a) does not exceed a certain length, and further, by a suction means or the like The warp (2) is pulled out as described above while removing the cut ends.
[0031]
In particular, according to a drawing experiment, the warp drawing force is 20 g or less until the length of the weft end portion (3a) remaining in the beard shape is about 40 mm, but the length of the weft end portion (3a) is If it exceeds 40 mm, the warp drawing force increases rapidly, and weft breakage may occur. Therefore, it is preferable to draw out the warp (2) while cutting and removing so that the length of the bead-like weft end (3a) does not exceed 40 mm.
[0032]
In the above embodiment, the winding body (5) of the weave fabric (1) is supported in a saddle shape, and the warp (2) is drawn upward. The rotating body (5) is cantilevered at the portion of the core (4) so that the axial center is substantially horizontal and the one end side in the axial direction is opened to the side, and the warp (2) is supported. You may make it pull out to an axial direction from the axial direction one end side on the opposite side to a side. In this case, the warp drawing means and method can be performed in the same manner as in the above-described embodiment, with only the difference between the saddle type and the horizontal type.
[0033]
【The invention's effect】
As described above, according to the method for producing a processed cord of the present invention, the interwoven fabric woven using the cord to be produced as a warp is subjected to a treatment such as an adhesive, a resin treatment, or a heat treatment as in the past. Therefore, there is no need for special equipment for performing resin processing or the like by arranging a large number of cords in parallel, and a large number of cords can be processed easily and efficiently.
[0034]
Moreover, by simply pulling out the warp from the winding body of the bamboo woven fabric, it is possible to easily obtain a single treated cord that has been subjected to a treatment such as resin treatment, increasing its production efficiency, and reducing the production cost of this kind cord. It can be greatly reduced.
[0035]
In particular, since the warp yarns are pulled out one by one in the axial direction of the wound body, the tangling of the weft yarn is easily released and can be pulled out easily with a relatively small force, so that the method of the present invention can be carried out without any problem. become.
[Brief description of the drawings]
FIG. 1 is a perspective view schematically showing one embodiment of the present invention.
FIG. 2 is a partially enlarged front view showing a warp drawn state.
[Explanation of symbols]
(1) Weaving fabric (2) Warp (3) Weft (3a) Bearded weft end (4) Winding core (5) Winding body (6) Part with increased weft density (10) Support device (12) Winding device (14) Guide member (14a) Introduction hole (15) Rubber band

Claims (8)

Long weave fabrics woven by weft weaving a large number of warp yarns at every required interval in the longitudinal direction are wound into a roll after being treated with resin treatment, etc. from the body, the warp of the textile product, sequentially detach one by one from the one axial end side, a process for the preparation of treated cord to pull-out in the axial direction,
A guide member extending in the radial direction and having a yarn introduction hole at the extension end is freely arranged at the end of the core on the warp drawing side, and the warp is drawn through the yarn introduction hole. A method of manufacturing a processed cord, wherein the warp is pulled out in the axial direction while rotating the guide member in accordance with the transition of the accompanying warp drawing position .   Support the winding fabric of the interwoven fabric with the axial center up and down and open one end in the axial direction upward, or open the axial one end side to the side with the axial center approximately horizontal. 2. The method for producing a processed cord according to claim 1, wherein the warp is supported in a cantilever manner and the warp is pulled out upward or sideward in the axial direction. Claim 1 or 2 to be variable in accordance with the warp drawn position substantially or is positioned in the middle, or the extending length in the radial direction of the guide member position the winding thickness of the wound body of the yarn guide hole A method for producing the processed code described in 1. Pulling out the warp while regulating the pulling out of the next warp adjacent to the drawn out warp by a pressing means such as a rubber band attached to the outer periphery of the winding body of the interwoven fabric or a roller that presses against the outer periphery of the wound body. The method for producing a processed cord according to any one of claims 1 to 3 . Keep in forming the raised portion of the weft density on the winding finish end portion of the cord fabric, one by one warp in the vicinity of the winding finish end portion including a raised portion of the weft density so as to balance the winding finish end portion sequentially cut method of treated cord according to any one of claims 1 to 4, characterized in that draw axially disconnect the warp cut from the portion of the winding side on. Method for producing a treated cord according to claim 5, characterized in that previously bonded to the caul that accompany the winding body periphery to the winding finish end portion to the remainder to regulate the inclination of the winding body side . As the weft end remaining whisker by withdrawal of the warp yarns does not exceed a certain length, while appropriately cut to remove the weft yarn end, it claims 1-6, characterized in that draw the warp threads A method for manufacturing the processed cord according to item 1. The method for producing a processed cord according to claim 7 , wherein the length of the bead-shaped weft end does not exceed 40 mm.

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