JP2008018433A - Apparatus for manufacturing annular stranded bead wire - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To propose an apparatus for manufacturing an annular stranded bead wire with which a steel wire can be coiled up around an annular core bar in a uniform spiral and also the production efficiency of the annular stranded bead wire is improved. <P>SOLUTION: A reel supporting member 32 is supported freely rotatably on a rotary disk 40 which is arranged so as to cross the annular core bar 2 and also guide shafts 60a, 60b for guiding the reel supporting member 32 to the inside or the outside of the annular core bar 2 are respectively arranged on the inside and the outside of the annular core bar 2. Since the guiding shafts 60a, 60b are elevated and lowered accompanying the displacement in the vertical direction of the reel supporting member 32 according to the rotation of a rotary disk 40, a manufacturing apparatus 10 provided with a reel revolving device 30 for revolving a reel 31 inside and outside the annular core bar 2 is obtained without overturning the axial line of the reel. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an apparatus for manufacturing a twisted bead wire that is embedded in a bead portion of a tire of an automobile, a motorcycle, an aircraft, or the like and increases the bonding force between the tire and a wheel.

  The bead wire embedded in the bead part of the tire exhibits excellent running stability because the bonding force between the tire and the wheel can be increased by tightening the wheel in the circumferential direction when the tire is mounted on the wheel. It is necessary to do. As such a bead wire, there exists a twisted configuration in which a steel wire is spirally wound around an annular core metal as shown in FIG.

  As a manufacturing apparatus for manufacturing the above-described twisted bead wire, for example, Patent Document 1 discloses a device in which a reel around which a steel wire is wound is revolved inside and outside an annular cored bar. In this manufacturing apparatus, a reel is supported by a spool, and the reel is revolved by rotating the spool. According to this manufacturing apparatus, the steel wire can be spirally wound around the annular cored bar by revolving the reel in and out of the rotating annular cored bar.

In addition, as a twisted bead wire manufacturing apparatus, for example, in Patent Document 2, a reel around which a steel wire is wound is moved in parallel from the outer side to the inner side of the annular cored bar with respect to the plane crossing the annular cored bar. Move through the ring of the annular core metal at a right angle to the opposite side of the annular core metal, move from the inside to the outside of the annular core metal in parallel with the plane crossing the annular core metal, and start from the opposite side of the annular core metal There has been proposed one that is moved back at a right angle to the position. In such a manufacturing apparatus, since the reel is moved along a so-called long and narrow box-shaped path, the reel moves while keeping the surface substantially parallel to the plane crossing the annular core metal. It is possible to prevent unnecessary force from acting on the steel wire without twisting the cross section of the steel wire when the wire is wound around the metal core. Therefore, according to this manufacturing apparatus, since a steel wire can be easily wound around an annular core bar and the steel wires can be easily arranged in a desired arrangement state, a desired twisted bead wire can be obtained appropriately. This manufacturing apparatus is provided with a mechanism for delivering the reel on both sides of the annular core metal when the reel is moved at right angles to the plane crossing the annular core metal.
JP 2001-47169 A JP 2005-342746 A

  By the way, as a steel wire wound around the annular cored bar, a steel wire having a relatively high rigidity and strength is generally used. When a force that deforms the steel wire is applied in the process of winding such a steel wire around the annular cored bar, a force repelling the force is generated. For this reason, it becomes difficult to wind the steel wire around the annular cored bar, and the arrangement state in which the steel wire is wound spirally is disturbed.

  In the twisted bead wire manufacturing apparatus of Patent Document 1 described above, the form in which the reel is supported by the spool is not described, but if considered normally, the reel is fixedly supported by the spool. It can be said that it is a configuration. In this configuration, as the spool rotates, the reel revolves so as to rotate its reel axis. This means that the reel revolves so that its reel axis falls over the center axis of the annular cored bar. When revolving in this way, the steel wire unwound from the reel is wound around the annular core bar while twisting its cross section, and therefore a relatively large torsional force acts on the steel wire. This torsional force accumulates as residual stress in the steel wire and works to repel the form of the steel wire wound, making it difficult for the steel wire to be wound around the annular core metal and disturbing the arrangement of the steel wire. Forming troubles such as the steel wire floating from the annular core metal occur. In addition, since a force for twisting the steel wire is required to rotate the spool, a large rotational force is required for the revolution of the reel, and problems such as an increase in manufacturing cost and a decrease in productivity are required. Produce.

  On the other hand, in the above-described twisted bead wire manufacturing apparatus of Patent Document 2, since the reel is moved along an elongated box-shaped trajectory, the reel always keeps its reel axis substantially constant. Move as it is. That is, the reel axis does not fall over the center axis of the annular cored bar. For this reason, since this manufacturing apparatus does not twist a steel wire like patent document 1 mentioned above, the favorable winding property that a steel wire is easy to be spirally wound around an annular core, and the steel wire is spiral. It is possible to exhibit good moldability such that the floating from the surface of the annular cored bar can be suppressed. However, as described above, since this manufacturing apparatus is provided with a mechanism for transferring the reels on both sides of the annular core bar in order to move along the elongated box-shaped locus, the reel is connected to the annular core. Two operations are required, that is, an operation of translating with respect to the plane crossing the gold and an operation of delivering the reel. Therefore, the reel moves discontinuously at the conversion point between the two operations. Since the annular core rotates at a substantially constant speed, the winding angle at which the steel wire is wound around the annular core changes relatively abruptly when the movement of the reel is discontinuous. Since such a change in the winding angle occurs periodically, the steel wire is not wound in a uniform spiral shape in the circumferential direction of the annular cored bar. And if a winding angle changes, the force accompanying this change will act on a steel wire, and it will become easy to produce disorder in the arrangement of a steel wire by the force repelling to this. Furthermore, since the twist angle (the inclination angle of the steel wire with respect to the longitudinal direction of the annular core metal) also changes as the winding angle changes, the twisted bead wire does not become uniform along the circumferential direction. Thus, the above-described effect of enhancing the bondability between the tire and the wheel cannot be sufficiently exhibited. Further, in the configuration having two operations of the operation of moving the reel in parallel and the operation of transferring, it takes time to convert each operation, and there is a problem that the manufacturing time of the bead wire becomes longer and the production efficiency is poor. .

  The present invention proposes an apparatus for producing a twisted bead wire that exhibits excellent winding properties and formability, can wind a steel wire in a uniform spiral around an annular metal core, and can improve production efficiency. To do.

  The twisted bead wire manufacturing apparatus according to the present invention includes a cored bar rotating device that rotates an annular cored bar along its circumferential direction, and an insertion hole through which the annular cored bar is inserted is formed in the center. A rotating disk disposed across the annular cored bar, a disk driving means for rotating the rotating disk, a reel supporting member supported on the surface of the rotating disk so as to be free to rotate, and a rotation to the reel supporting member. A reel having a diameter smaller than the annular diameter of the annular cored bar on which the steel wire wound around the annular cored bar is supported, and a rotating disk on which the reel supporting member is disposed, Arranged coaxially along the radial direction of the annular cored bar with an interval through which the annular cored bar can pass between the inner side and the outer side of the annular cored bar, and the reel support member along the radial direction of the annular cored bar Synchronize the two guide shafts that guide in and out of the annular cored bar and the two guide shafts. A shaft lifting / lowering means for moving up and down substantially parallel to the disk surface of the rotating disk is provided, and the guide shaft is moved up and down in accordance with the vertical displacement of the reel support member that rotates as the rotating disk rotates. And a reel revolving device that revolves the reel so that its reel axis does not fall with respect to the annular core metal, and the reel revolution device revolves the reel while rotating the annular metal core by the core metal rotating device. By doing so, the steel wire wound around the reel is spirally entangled with the annular cored bar.

  Here, the two guide shafts move up and down substantially parallel to the disk surface of the rotating disk in a state of being coaxially arranged along the radial direction of the annular cored bar. Along with the displacement in the vertical direction, it can be guided relatively smoothly to the inside and outside of the annular cored bar. Since the two guide shafts are separated from each other by a predetermined gap, the annular cored bar can pass through the gap when moving up and down the annular cored bar.

  In such a configuration, the reel revolving device allows the reel support member to rotate freely with respect to the rotating disk, and the radial direction of the annular cored bar by two guide shafts that move up and down substantially parallel to the disk surface of the rotating disk. Therefore, the reel support member revolves in and out of the annular core bar while being maintained in a predetermined direction as the rotary disk rotates. As a result, the reel supported by the reel support member can be revolved inside and outside the annular core bar without its reel axis falling over the central axis of the annular core bar. Therefore, a torsional force that twists the cross section of the steel wire wound from the reel to the annular core does not act, and the steel wire can be easily wound and good formability can be obtained.

  Furthermore, in the reel revolving apparatus, the reel is continuously revolved according to the rotation of the rotating disk, and therefore the reel rotates continuously. Thereby, unlike the above-described conventional configuration in which the operation of translating the reel and the operation of delivering the reel are performed, no force is generated to deform the steel wire that is generated along with the operation conversion. Therefore, in the configuration of the present invention, the steel wire can be wound around the annular core bar so as to be regularly arranged in a uniform spiral shape. The twisted bead wire formed in this manner can exhibit substantially uniform rigidity and strength in the circumferential direction. Therefore, according to the manufacturing apparatus of this structure, the twisting which can improve the joining force of a tire and a wheel with respect to the product shape | molded with the manufacturing apparatus of the conventional structure mentioned above, and can exhibit the outstanding driving stability. A bead wire can be manufactured.

  Then, the revolution of the reel by the rotation of the rotating disk does not cause a time loss due to the conversion of the operation, which occurs in the above-described configuration of performing the operation of moving the reel in parallel and the operation of delivering the reel. That is, the reel can be revolved at a substantially constant operating speed. For this reason, the manufacturing apparatus of this invention can improve the production efficiency of a twist bead wire compared with this conventional structure. Since the revolution speed of the reel is the same as the rotation speed of the rotating disk, it is possible to relatively easily increase the production efficiency by increasing the rotation speed.

  In the reel revolution device of the present invention, as a configuration of a reel support member for supporting the reel, a configuration in which the reel is supported so as to be freely rotatable with respect to the reel axis, and a predetermined load is applied to the rotation. It can be configured.

  In the reel revolution device, a configuration including a drive source such as a motor and a transmission mechanism for transmitting the drive to the rotary disc is suitably used as the disc drive device. Here, it is necessary that the transmission mechanism does not come into contact with the annular cored bar when the rotating disk rotates. As such a disk drive device, for example, the rotating disk is configured as a gear, and the rotating disk can be rotated by engaging the rotating disk with a driving gear that is rotated by a driving source such as a motor. What was made is preferable.

  Further, as described above, as the shaft raising / lowering means, the two guide shafts respectively arranged on the inner side and the outer side of the annular core bar are held in a coaxial state, and are substantially parallel to the surface of the rotating disk. It is necessary to move up and down. Here, the shaft raising / lowering means preferably has a configuration in which the guide shaft can be moved up and down as freely as possible. As a result, the guide shaft can be moved up and down smoothly in accordance with the displacement of the rotating reel support member, it is possible to suppress the action of the force that hinders the displacement of the reel support member, and the reel can be made as continuous and smooth as possible. You can be revolved on. As such a configuration, for example, a piston-type support rod provided with two guide shafts is slidably loosely fitted to a cylinder-like cylindrical body provided along the ascending / descending direction. be able to.

  Furthermore, in the present invention, it is preferable to make the revolution radius of the reel as small as possible. Here, the steel wire is inclined with respect to the longitudinal direction of the annular core bar and wound around the annular core bar. The winding angle at which the steel wire is wound around the annular core becomes smaller as the revolution radius of the reel becomes smaller. Further, since the annular core bar rotates in the circumferential direction, the inclination angle (so-called twist angle) of the steel wire with respect to the longitudinal direction of the annular core metal after being spirally wound around the annular core metal is: It is smaller than the winding angle. If the difference between the winding angle and the twisting angle is large, a bending force is generated to direct the steel wire in the longitudinal direction of the annular core during winding, and this bending force acts on the steel wire. Therefore, by reducing the winding angle, the difference from the twist angle is reduced, and the generation of the bending force described above can be suppressed, so that the steel wire can be more easily wound and the formability becomes a uniform spiral arrangement. It can be further improved.

  In the above-described twisted bead wire manufacturing apparatus, the guide shaft of the shaft elevating device has a round bar shape, and the reel is pivotally supported on the reel support member by using the guide shaft as a support shaft. A configuration is proposed.

  Considering in detail the case where the reel revolves inside and outside the annular core, when the reel and the annular core are on the same plane, the circumferential direction of the annular core and the steel wire wound around the reel Since the winding direction is substantially on the same plane, it is likely to be entangled relatively smoothly. However, when the reel is positioned in the vertical direction of the annular cored bar, a winding angle based on the height difference between the two is generated. This vertical winding angle causes a force to bend and deform the steel wire.

  In such a configuration, the reel is attached to the annular core with respect to the reel support member that rotates while being maintained in a predetermined direction so as to reduce the wrapping angle in the vertical direction. The guide shaft can swing on both sides of the guide shaft along the radial direction of the gold.

  Here, since the annular core bar winds up the steel wire by its rotation, the steel wire is pulled out from the reel. That is, the reel is pulled through the steel wire in the rotation direction of the annular cored bar. When the reel is above the annular core metal, the reel is inclined downward to the side wound around the annular core metal by the tensile force acting from the annular core metal, and is located below the annular core metal. In this case, it is inclined upward to the side wound around the annular cored bar. When the reel is on the same plane as the annular cored bar, the reel is along the same plane.

  In this way, when the reel is above or below the annular core bar by tilting toward the side where the steel wire is wound around the annular core metal according to the tensile force acting from the annular core metal, the vertical direction The winding angle of the steel wire can be reduced. Therefore, in this configuration, it is possible to suppress the generation of a force that deforms the steel wire when the steel wire is wound, so that the steel wire is more easily wound around the annular cored bar, and the formability is improved. Further, since the fluctuation range of the winding angle during the revolution of the reel can be reduced, the steel wire can be stably wound.

  In the above-described twisted bead wire manufacturing apparatus, the rotating disk includes idle holes made of long holes along the radial direction, and an idle shaft that supports the reel support member to the rotating disk so as to be free to rotate. A configuration is proposed that is supported so as to be movable according to the floating hole.

  In such a configuration, when the steel wire is wound around the annular cored bar, the force acting on the steel wire can be alleviated by sliding the reel support member according to the idle hole. Thereby, it can suppress that unnecessary force acts on a steel wire, can maintain the winding property of a steel wire favorably, and can maintain the moldability of winding a steel wire spirally. Therefore, the above-described effect of the present invention in which the steel wire is wound in a uniform spiral shape is further enhanced.

  In the above-described twisted bead wire manufacturing apparatus, a configuration is proposed in which the rotating disk includes a slit extending from the outer peripheral edge to an insertion hole provided in the center.

  This configuration is such that when a twisted bead wire is manufactured, an annular annular cored bar can be disposed at a predetermined position of the cored bar rotating device through the slit. And the shape | molded twisted bead wire can be taken out from this slit. Thereby, since the setting operation | work of a cyclic | annular core metal and the taking-out operation | work of a twisted bead wire can be performed easily, the workability | operativity of these operations improves and production efficiency improves generally.

  The twisted bead wire manufacturing apparatus of the present invention supports a reel support member on a rotating disk disposed so as to cross the annular core bar so that the reel support member can rotate freely, and guides the reel support member into and out of the annular core metal. The guide shaft is arranged on the inner side and the outer side of the annular cored bar, and the guide shaft moves up and down in accordance with the vertical displacement of the reel support member that rotates according to the rotation of the rotary disk. Since the reel revolving device that revolves the reel supported by the support member so as to rotate in and out of the annular cored bar is provided, the reel axis does not fall over the central axis of the annular cored bar. Because the steel core revolves inside and outside the annular core metal, the steel wire wound around the annular core metal from the reel does not have a torsional force that twists its cross section and is easy to wind the steel wire. Completion Obtained sex. Further, since the reel continuously revolves according to the rotation of the rotating disk, the steel wire can be arranged in a uniform spiral on the annular cored bar. Further, since the reel can be revolved at a substantially constant operating speed, the revolution speed can be easily increased, and the twisted bead wire can be compared with the conventional reel delivery configuration described above. The production efficiency can be improved.

  In the above-described twisted bead wire manufacturing apparatus, the guide shaft of the shaft elevating device has a round bar shape, and the reel is pivotally supported on the reel support member by using the guide shaft as a support shaft. Since the reel can swing according to the tensile force acting from the annular metal core, the winding angle of the steel wire in the vertical direction can be reduced and the fluctuation range of the winding angle can be reduced. Therefore, the steel wire can be more easily wound around the annular core bar, and the formability can be further improved.

  In the above-described twisted bead wire manufacturing apparatus, the rotating disk includes idle holes made of long holes along the radial direction, and an idle shaft that supports the reel support member to the rotating disk so as to be free to rotate. The structure that is supported so as to be movable according to the floating hole can relieve the force acting on the steel wire during the revolution of the reel by the free movement of the reel support member. It can hold | maintain favorably and can improve further the effect of this invention of winding a steel wire in a uniform spiral shape.

  In the above-described twisted bead wire manufacturing apparatus, in the configuration in which the rotating disk is provided with a slit extending from the outer peripheral edge to the insertion hole provided in the center, it is easy to set the annular core bar, and the formed twisted wire Since it becomes easy to take out the bead wire, the production efficiency is improved.

Embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 shows a twisted bead wire 1 in which a steel wire 3 is spirally entangled with an annular core metal 2. The twisted bead wire 1 is formed by winding a steel wire 3 in a spiral manner around a circular cored bar 2, and the surface of the circular cored bar 2 so as to surround a longitudinal section of the circular cored bar 2. The steel wires 3 are arranged side by side on the top. Thus, the annular cored bar 2 is covered with the steel wire 3. In addition, the inclination angle of the steel wire 3 with respect to the longitudinal direction of the annular core metal 2 is the twist angle of the steel wire 3.

  As shown in FIGS. 2 to 4, the manufacturing apparatus 10 that manufactures the twisted bead wire 1 includes a core metal rotating device 20 that rotates the annular core metal 2 and a reel 31 around which the steel wire 3 is wound. And a reel revolving device 30 for revolving inside and outside the annular cored bar 2. Here, the cored bar rotating device 20 and the reel revolving device 30 are disposed on the gantry 11 fixed to the floor surface.

  In the cored bar rotating device 20, the annular cored bar 2 is supported in the horizontal direction and rotated in the circumferential direction at a predetermined rotational speed. As a structure for supporting the annular core 2 in the horizontal direction, a table 21 is provided on the above-described frame 11 along the horizontal direction. On the table 21, two arc-shaped cored bar guide rails 22a are provided. , 22b are installed. The two cored bar guide rails 22 a and 22 b are provided with sliding grooves 23 a and 23 b for slidably storing the annular cored bar 2, respectively, and the sliding grooves 23 a and 23 b are concentric with the annular cored bar 2. It is arrange | positioned at the table 21 so that it may become. The annular cored bar 2 is supported in the horizontal direction by disposing the annular cored bar 2 in the sliding grooves 23a and 23b of the cored bar guide rails 22a and 22b. The table 21 is fixed to the gantry 11 at its four corners by means of leg posts 29, and the cored bar guide rails 22a and 22b are fixed on the table 21 by fixed legs (not shown).

  Further, as a configuration for rotating the annular core metal 2, a rotation roller 26 and a support roller 27 are disposed on the above-described table 21, and a drive motor 25 that rotates the rotation roller 26 is attached to the gantry 11. It is arranged. Here, the rotation roller 26 and the support roller 27 are disposed between the core metal guide rails 22a and 22b, and the portions of the annular core metal 2 that are not supported by the core metal guide rails 22a and 22b are The annular cored bar 2 is rotated in the circumferential direction by being clamped from inside and outside and according to the rotation of the rotation roller 26. The rotation roller 26 is connected to a drive shaft (not shown) of the drive motor 25 via a drive transmission shaft 28, and rotates according to the drive of the drive motor 25. Further, the support roller 27 is disposed on the table 21 so as to be able to rotate freely. The support roller 27 sandwiches the annular cored bar 2 together with the rotation roller 26 and rotates with the rotation of the rotation roller 26. ing.

  On the other hand, in the reel revolution device 30 described above, the reel 31 around which the steel wire 3 is wound is revolved inside and outside the annular core metal 2 supported by the above-described core metal guide rails 22a and 22b. Is. The reel revolution device 30 includes a rotary disk 40 in which a reel 31 is supported via a reel support member 32, and guide shafts 60 a and 60 b that guide the reel support member 32 into and out of the annular cored bar 2. Here, the rotary disk 40 is formed with an insertion hole 41 through which the annular core metal 2 supported by the core metal guide rails 22a and 22b is inserted, and the insertion hole 41 is opened from the outer periphery. A slit 42 is formed. The rotating disk 40 is disposed along the vertical direction between the core bar guide rails 22a and 22b so as to cross the annular core bar 2 supported by the core bar guide rails 22a and 22b. Gold 2 passes through the insertion hole 41 and penetrates the rotating disk 40 in the plate thickness direction. Here, the disk surface direction of the rotating disk 40 is arranged in parallel with the radial direction of the annular cored bar 2 on which guide shafts 60a and 60b described later are arranged. Between the two core metal guide rails 22a and 22b, there are two areas where the annular core metal 2 is not directly supported, and the rotating roller 26 and the support roller 27 are provided in one of the two areas. The rotating disk 40 is disposed on the other side.

  The above-described rotating disk 40 is a gear having teeth (gears) continuously provided on the outer peripheral edge thereof. A main drive gear 46 is meshed and provided below the rotary disk 40. The main drive gear 46 is connected to a drive shaft (not shown) of the drive motor 45, transmits the rotational drive of the drive motor 45 to the rotary disk 40, and rotates the rotary disk 40 along its circumferential direction. It is something to be made. Further, auxiliary drive gears 47, 47 having the same shape as the main drive gear 46 are juxtaposed along the circumferential direction of the rotary disk 40, and mesh with the rotary disk 40, respectively. Transmission gears 48 and 48 are disposed between the main drive gear 46 and the sub drive gears 47 and 47 so that the main drive gear 46 and the sub drive gears 47 and 47 have the same speed in the same rotational direction. It is designed to rotate. That is, the rotary disk 40 is stably rotated by the main drive gear 46 and the sub drive gears 47 and 47. Even when the slit 42 of the rotating disk 40 faces the main driving gear 46, the rotating disk 40 can be stably rotated by the auxiliary driving gears 47, 47.

  An upper support block 49 that supports the rotating disk 40 is disposed above the rotating disk 40. The rotary disk 40 is supported vertically by the main drive gear 46, the sub drive gears 47 and 47, and the upper support block 49, and is held along the vertical direction. In this way, the rotating disk 40 is prevented from causing lateral vibration during its rotation. The upper support block 49 is provided on a support plate 50 that stands and is fixed on the gantry 11.

  As described above, the rotary disk 40 rotates along its circumferential direction with the substantial center as the center of rotation (hereinafter, center axis). A reel support member 32 is supported on the surface of one side of the rotary disk 40 so as to be freely rotatable. The support position of the reel support member 32 is such that when the rotary disk 40 rotates, the reel 31 supported by the reel support member 32 does not contact the ring core 2 and revolves inside and outside the ring core 2. As possible, the position is a predetermined distance away from the center of the rotating disk 40. In this embodiment, the distance from the center of the rotating disk 40 is set to be as short as possible.

  The reel support member 32 has a substantially U shape and is provided so as to protrude from the surface of the rotating disk 40. One end thereof is pivotally supported on the rotary disk 40 by a free rotating shaft 34 and the other end supports the reel 31 (see FIGS. 5 to 7). Here, the reel support member 32 is set to have a substantially U-shaped dimension so that the reel 31 faces a position where the reel 31 is pivotally supported by the rotary disk 40. As a result, the reel 31 revolves around the central axis of the rotating disk 40 with a constant rotation radius as the rotating disk 40 rotates.

  The reel 31 includes a spool-type winding pulley 35 around which the steel wire 3 is wound, and a rotation shaft 36 that allows the winding pulley 35 to freely rotate. Here, the outer diameter of the winding pulley 35 of the reel 31 is smaller than the ring diameter of the annular core metal 2, and is about 0.3 times the ring diameter of the annular core metal 2 based on the device structure. The diameter is 0.8 times. Further, the rotation shaft 36 has the same meaning as the reel axis because the winding pulley 35 rotates around the rotation shaft 36.

  The reel 31 has a rotating shaft 36 projecting downward from the winding pulley 35, and a lower portion of the rotating shaft 36 is connected to the other end of the reel support member 32 by a cylindrical bearing tube (not shown). It is pivotally supported. This bearing tube is provided so as to be parallel to the surface of the rotary disk 40 and parallel to the winding pulley 35 of the reel 31. Thus, the reel 31 is supported by the reel support member 32 so as to be capable of rotating, and is supported so as to be free to rotate with respect to the bearing tube. Note that guide shafts 60a and 60b described later are loosely fitted on the bearing tube.

  In addition, on the same side of the rotating disk 40 as the reel support member 32, the inner surface and the outer surface of the annular metal core 2 supported by the above-described core metal guide rails 22 a and 22 b are arranged in the vertical direction in parallel with the rotating disk 40. Movable shaft support columns 61a and 61b are provided. Here, the shaft support columns 61 a and 61 b are provided at positions that are equidistant from the surface of the rotary disk 40 and that are outside the rotation radius of the reel support member 32 with respect to the central axis of the rotary disk 40. It has been. That is, the distance between the shaft support columns 61 a and 61 b is wider than the diameter of the reel support member 32 that rotates.

  Such shaft support columns 61a and 61b are loosely fitted in cylinders 62 and 62 disposed on the gantry 11 so as to be slidable in the vertical direction. And it protrudes below the cylinders 62 and 62, and the lower end of the shaft support pillars 61a and 61b is connected. That is, the shaft support columns 61a and 61b move integrally. In addition, guide shafts 60a and 60b are provided in the form of cantilevers at the upper ends of the shaft support columns 61a and 61b so as to be coaxial with each other. Here, the two guide shafts 60 a and 60 b are arranged so as to be parallel to the surface of the rotary disk 40 and along the radial direction of the annular cored bar 2. Further, since the guide shafts 60a and 60b are provided so as to face each other with a gap through which the annular core metal 2 can pass, the guide shafts 60a and 60b become annular as the shaft support columns 61a and 61b move in the vertical direction. When the inner side and the outer side of the cored bar 2 are raised and lowered, the annular cored bar 2 is not contacted. The guide shaft 60a of the shaft support column 61a that slides on the cylinder 62 provided inside the annular cored bar 2 moves up and down on the inside of the annular cored bar 2 and slides on the cylinder 62 provided on the outside. The guide shaft 60b of the shaft support column 61b moves up and down on the outside.

  The guide shafts 60a and 60b are loosely fitted to the above-described bearing tube (not shown) so that the reel 31 is supported by the reel support member 32 from below. This is the same as that the reel 31 is pivotally supported on the reel support member 32 via the bearing tube by the guide shafts 60a and 60b. The reel support member 32 is slidable along the radial direction of the annular core 2 according to the guide shafts 60a and 60b.

  In such a reel revolution device 30, when the rotary disk 40 rotates, the reel support member 32 rotates and is displaced in the vertical direction, and the guide shafts 60a and 60b are moved up and down accordingly. Since the reel support member 32 is guided in the horizontal direction by the guide shafts 60a and 60b, the reel support member 32 always rotates together with the rotary disk 40 in the state of facing the same direction. As a result, the reel 31 has its rotation axis 36 (reel axis) not fallen with respect to the center axis of the annular core 2 supported by the cored bar guide rails 22a and 22b. Is going to revolve.

  Here, when the reel 31 is rotated with the rotation of the rotary disk 40, the lowest position is the bottom dead position (see FIG. 6), and the top position is the top dead position (see FIG. 8). ). That is, the reel 31 moves up and down between the top dead position and the bottom dead position. Since the reel 31 is pivotally supported by the guide shafts 60a and 60b, the reel 31 can swing on both sides of the guide shafts 60a and 60b.

  In the present embodiment, the above-described main drive gear 46, auxiliary drive gears 47 and 47, transmission gears 48 and 48, and the drive motor 45 constitute the disk drive means according to the present invention. Further, the shaft supporting columns 61a and 61b and the cylinders 62 and 62 constitute a shaft lifting / lowering means according to the present invention.

Next, the operation | movement aspect of the manufacturing apparatus of the twisted bead wire mentioned above is demonstrated.
In this embodiment, the steel wire 3 is a hard steel wire generally used for bead wires, and a wire purchased from a manufacturer with a specified wire diameter is wound around a reel 31.

  An annular cored bar 2 having a predetermined annular diameter is inserted from a slit 42 formed in the rotating disk 40, and sliding grooves 23a provided on the cored bar guide rails 22a and 22b of the cored bar rotating device 20 are inserted. 23b. In this state, the annular cored bar 2 is supported by the cored bar guide rails 22a and 22b. The annular cored bar 2 is inserted into the insertion hole 41 of the rotating disk 40, and the rotating disk 40 moves the annular cored bar 2 through the insertion hole 41. It will be in a state of crossing in and out.

  After the annular core metal 2 is supported by the core metal guide rails 22 a and 22 b, the steel wire 3 is pulled out from the reel 31, and its tip is temporarily fixed to the annular core metal 2. Here, the position to be temporarily fixed is the opposite side to the rotary disk 40 with respect to the reel 31 (lower side on the paper surface of FIG. 2). For temporary fixing, a tape, a clip, or the like can be used. In this embodiment, a clip is used so that the clip can be released in front of the rotating roller 26 (not shown).

  After temporarily fixing the steel wire 3 to the annular cored bar 2, the driving of the driving motor 45 of the reel revolving device 30 is started in synchronization with the driving of the driving motor 25 of the cored bar rotating device 20 being started. As the driving roller 25 of the cored bar rotating device 20 is driven, the rotating roller 26 rotates, so that the annular cored bar 2 rotates along the circumferential direction. Here, the rotating direction of the annular cored bar 2 is clockwise on the paper surface of FIG. 2 so that the steel wire 3 is drawn out to the side opposite to the rotating disk 40. This prevents the steel wire 3 drawn from the reel 31 from coming into contact with the rotating disk 40. On the other hand, as the drive motor 45 of the reel revolution device 30 is driven, the main drive gear 46 and the sub drive gears 47 and 47 are rotated, and the rotary disk 40 is rotated. Here, the rotation direction of the rotary disk 40 is clockwise on the paper surface of FIG. 3 so that the reel 31 passes through the inside of the annular core 2 from below to above.

  In addition, the rotational speed of the annular core metal 2 and the rotational speed of the rotating disk 40 are appropriately set according to the annular diameter of the annular core metal 2, the number of times the steel wire 3 is entangled for each round of the annular core metal 2, and the like. The By this setting, the twist angle at which the steel wire 3 is inclined with respect to the longitudinal direction of the annular cored bar 2 as a product is determined. Further, the position where the steel wire 3 drawn from the reel 31 is wound around the annular cored bar 2 is almost changed by rotating the annular cored bar 2 at a predetermined rotational speed and rotating the rotary disk 40 at the predetermined rotational speed. Can be constant. This is because the winding position is stabilized because the reel 31 revolves at a constant rotational speed as the rotary disk 40 rotates.

  When the rotary disk 40 rotates as described above, the reel support member 32 rotates with this rotation as shown in FIGS. The reel support member 32 is displaced in the vertical direction according to the rotation thereof, and is guided along the radial direction of the annular cored bar 2 according to the guide shafts 60a and 60b. Here, the guide shafts 60a and 60b move up and down as the reel support member 32 is displaced in the vertical direction. Thus, the reel support member 32 rotates while being guided by the guide shafts 60a and 60b according to the rotation of the rotary disk 40, so that the reel 31 rotates while being supported from below. . The reel support member 32 is supported by a guide shaft 60 a that moves up and down inside the annular core metal 2 when it is inside the annular core metal 2. Is supported by a guide shaft 60b that moves up and down outside. And when moving from the inner side to the outer side of the annular core metal 2 or from the outer side to the inner side, the guide shafts 60a and 60b are moved. Here, the gap between the guide shafts 60a and 60b is set to a relatively narrow interval that allows the annular core metal 2 to pass therethrough so that the reel support member 32 can move smoothly.

  The reel 31 rotates with the rotation of the reel support member 32 described above, and revolves inside and outside the annular cored bar 2. And since the reel 31 can be idle | rotated by the autorotation axis | shaft 36, the steel wire 3 is pulled out according to rotation of the annular core metal 2. As shown in FIG. As described above, since the reel 31 is pivotally supported by the guide shafts 60a and 60b on the reel support member 32, the reel 31 can swing on both sides of the guide shafts 60a and 60b. For this reason, when the steel wire 3 is pulled by the rotation of the annular cored bar 2, the reel 31 is inclined in that direction. The tilting direction of the reel 31 is opposite when the reel 31 is above and below the annular cored bar 2, so that the reel 31 swings every revolution.

  As described above, the annular cored bar 2 rotates in the circumferential direction, and the reel 31 revolves in and out of the annular cored bar 2 so that the steel wire 3 is entangled with the annular cored bar 2 spirally. Then, by rotating the annular core metal 2 a plurality of times, the steel wires 3 are sequentially entangled so as to be adjacent to each other, and the twisted bead wire 1 (see FIG. 1) is formed.

Next, the process in which the reel 31 revolves inside and outside the annular cored bar 2 will be described in detail.
As shown in FIG. 5, it is assumed that winding of the reel 31 starts from a position on the outer side on the same horizontal plane as the annular cored bar 2. At this position, since the annular cored bar 2 and the reel 31 exist on the same plane, the reel 31 is in a state along the horizontal direction. Then, the annular cored bar 2 starts to rotate and the rotating disk 40 starts to rotate.

  As the rotary disk 40 starts to rotate, the reel 31 is displaced downward from the annular cored bar 2. When the reel 31 is below the annular cored bar 2, the steel wire 3 is pulled by the annular cored bar 2, so that the reel 31 is inclined upward to the winding side. The inclination angle of the reel 31 gradually increases as the reel 31 is displaced downward, and becomes the largest when the reel 31 is at the bottom dead position as shown in FIG. Since the reel 31 is inclined upward in this way, the winding pulley 35 of the reel 31 faces the direction of the annular core 2, so that the winding angle of the steel wire 3 around the annular core 2 in the vertical direction is increased. Can be small. Thereby, the steel wire 3 can be entangled relatively smoothly with the annular cored bar 2 along the horizontal direction.

  As the rotating disk 40 further rotates, the reel 31 rises from the bottom dead position (see FIG. 6). As this rises, the upward tilt angle of the reel 31 gradually decreases. As shown in FIG. 7, when the reel 31 is on the same plane as the annular cored bar 2 inside the annular cored bar 2, the steel wire 3 is pulled in the horizontal direction. It becomes a state along.

  Thereafter, when the reel 31 is displaced upwardly from the annular core metal 2, the steel wire 3 is pulled by the annular core metal 2, and thereby tilts downward to the winding side. Here, the inclination angle of the reel 31 gradually increases as the reel 31 is displaced upward, and becomes maximum when the reel 31 reaches the top dead position as shown in FIG. Since the reel 31 is inclined downward in this manner, the wrapping angle of the steel wire 3 around the annular cored bar 2 in the vertical direction can be reduced in the same manner as in the case where the reel 31 is inclined downward. The annular cored bar 2 can be entangled relatively smoothly. As the reel 31 descends from the top dead position, the downward inclination angle of the reel 31 gradually decreases. When the reel 31 is on the same plane outside the annular cored bar 2 as shown in FIG. It becomes a state along the direction.

  As described above, the reel 31 revolves in and out of the annular cored bar 2 as the rotary disk 40 rotates, so that the reel 31 is inclined upward when it is below the annular cored bar 2 and when it is above. When it is inclined downward and is on the same plane as the annular cored bar 2, it is in a state along the horizontal direction. That is, the reel 31 swings on both sides of the guide shafts 60a and 60b as the support shafts. The swing of the reel 31 is because the steel wire 3 is pulled by the annular cored bar 2 along the horizontal plane.

  Here, when the reel 31 and the annular core metal 2 exist on the same plane (see FIGS. 5 and 7), the circumferential direction of the annular core metal 2 and the winding of the steel wire 3 wound around the reel 31 Since the directions are on substantially the same plane, they are easily entangled relatively smoothly. However, when the reel 31 is positioned in the vertical direction of the annular core 2 (see FIGS. 6 and 8), a winding angle is generated based on a difference in height where both are positioned. Since the vertical winding angle can be reduced by inclining the reel 31, it is possible to suppress the bending force generated by the vertical winding angle from acting on the steel wire 3. Thereby, even when the reel 31 is positioned in the vertical direction of the annular core metal 2 (see FIGS. 6 and 8), the steel wire 3 can be entangled with the annular core metal 2 relatively smoothly. Further, since the vertical winding angle can be reduced, the fluctuation range of the winding angle during the revolution of the reel 31 is also reduced. Therefore, the twisted bead wire manufacturing apparatus 10 having this configuration can stably exhibit excellent winding properties and formability.

  When attention is paid to the separation position at which the steel wire 3 is drawn from the reel 31, the elliptical locus is moved as the reel 31 revolves with a predetermined rotation radius. That is, when the reel 31 swings, the separation position is brought close to the horizontal surface of the annular cored bar 2.

  Further, as described above, the reel 31 swings as it revolves in and out of the annular cored bar 2. This swing is due to the steel wire 3 being pulled. The shaft 36 (reel axis) does not fall over the central axis of the annular core 2. Therefore, even if the reel 31 revolves, no tangling force that twists the cross section of the steel wire 3 is generated, so that the steel wire 3 is not repelled and is not cut off or separated from the surface of the annular cored bar 2. Easy to entangle smoothly and continuously.

  As described above, the manufacturing apparatus 10 of the present embodiment rotates the annular cored bar 2 by the cored bar rotating device 20 and revolves the reel 31 in and out of the annular cored bar 2 by the reel revolving unit 30. The twisted bead wire 1 is manufactured by tangling the steel wire 3 to the annular cored bar 2 in a uniform spiral shape. Since the reel revolving device 30 revolves the reel 31 by the rotation of the rotary disk 40, the reel 31 continuously revolves at a substantially constant speed. For this reason, since the steel wire 3 is continuously entangled without causing a sudden change in the winding angle when the steel wire 3 is wound around the annular core metal 2, the spiral state of the steel wire 3 is the annular core metal. It can be formed as a state of being arranged almost uniformly along the circumferential direction of the two. Therefore, the twisted bead wire 1 can exhibit excellent strength and rigidity substantially uniformly along its circumferential direction.

  And since the manufacturing apparatus 10 of a present Example revolves the reel 31 by rotation of the rotary disk 40, the rotational speed of the rotary disk 40 is made high, and according to this rotational speed, the cyclic | annular metal core 2 is increased. If the rotation speed is increased, the twisted bead wire 1 can be formed at a high speed. Thus, high-speed molding can be performed relatively easily, and production efficiency can be increased.

  On the other hand, in the above-described embodiment, the reel 31 is pivotally supported on the reel supporting member 32 by the round bar-shaped guide shafts 60a and 60b, and the reel revolution device 30 is configured to be swingable. As another configuration, for example, a configuration is proposed in which the guide shaft has a rectangular cross section so that the reel does not swing. In such a configuration, when the reel revolves with the rotation of the rotating disk, even if the steel wire is pulled by the annular metal core, the reel is always held in a fixed direction. Thereby, the reel can be stably revolved.

  Further, as a configuration different from the above-described embodiment, as shown in FIG. 9, a rotary hole 91 having a long hole along the radial direction is formed in the rotary disk 91, and a reel support member 93 is provided in the idle hole 92. A configuration including a reel revolution device 90 loosely fitted by the idle shaft 94 is proposed. Here, the reel support member 93 is free to rotate with respect to the rotary disk 91 and is slidable along the idler hole 92. In such a configuration, when the steel wire 3 is pulled with the rotation of the annular core metal 2, the reel support member 93 slides along the idler hole 92 with a force acting on the steel wire 3. Can be relaxed. As a result, the force acting on the steel wire 3 with the revolution of the reel 31 can be alleviated by the sliding of the reel support member 93 and the swinging of the reel 31, so that the steel wire is wound when it is wound around the annular cored bar 2. It is possible to suppress an unnecessary force from acting on 3. Therefore, in this configuration, the steel wire 3 can be more easily wound around the annular cored bar 2, and better moldability can be exhibited. Here, the same components as those in the above-described embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  The present invention is not limited to the above-described embodiments, and can be appropriately used within the scope of the gist of the present invention. For example, in the present embodiment, it is described that the twisted bead wire 1 in which the steel wire 3 is wound around the annular cored bar 2 is formed in one layer, but the steel wire 3 is formed so as to have a plurality of layers. It is also possible to form the wire continuously wound.

2 is an explanatory view showing a part of a twisted bead wire 1. FIG. It is a top view of the manufacturing apparatus 10 of a twisted bead wire. It is a side view of the manufacturing apparatus 10 of a twisted bead wire. It is a front view showing the rotating disk 40, the reel support member 32, and the reel 31 of the reel revolution device 30 of the manufacturing apparatus 10 of a twisted bead wire. It is explanatory drawing showing the case where the reel 31 of the reel revolution apparatus 30 exists in the outer side on the substantially the same plane as the cyclic | annular core metal 2. FIG. It is explanatory drawing showing the case where the rotary disk 40 rotates from FIG. 5 and the reel 31 exists in a bottom dead position. FIG. 7 is an explanatory diagram showing a case where the rotating disk 40 rotates from FIG. 6 and the reel 31 is on the same plane as the annular cored bar 2. It is explanatory drawing showing the case where the rotary disc 40 rotates from the said FIG. 7, and the reel 31 exists in a top dead position. FIG. 6 is a schematic view showing a reel revolution device 90 configured to support a reel support member 93 in a freely swingable and slidable manner in idle holes 92 provided in a rotary disk 91 as a configuration of another example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Twist-shaped bead wire 2 Ring core metal 3 Steel wire 10 Twist-shaped bead wire manufacturing apparatus 20 Core metal rotation apparatus 30 Reel revolution device 31 Reel 32 Reel support member 40 Rotating disk 41 Insertion hole 42 Slit 45 Drive motor (disk drive) means)
46 Main drive gear (disk drive means)
47 Main drive gear (disk drive means)
48 Transmission gear (disk drive means)
60a, 60b Guide shaft 61a, 61b Shaft support column (shaft elevating means)
62 Cylinder (shaft elevating means)

Claims (4)

While equipped with a cored bar rotating device for rotating an annular cored bar along its circumferential direction,
An insertion hole is formed in the center through which the annular core bar is inserted, and a rotating disk disposed so as to cross the annular core metal,
A disk driving means for rotating the rotating disk;
A reel support member supported so as to be free to rotate on the surface of the rotating disk;
A reel having a small diameter compared to the annular diameter of the annular core metal, which is rotatably supported by the reel support member and wound with a steel wire wound around the annular core metal,
It is coaxially arranged along the radial direction of the annular cored bar with an interval through which the annular cored bar can pass on the inner and outer sides of the annular cored bar on the disk surface side of the rotating disk on which the reel supporting member is arranged. Two guide shafts for guiding the reel support member into and out of the annular cored bar along the radial direction of the annular cored bar,
Shaft lifting and lowering means for moving the two guide shafts up and down substantially in parallel with the surface of the rotating disk,
The guide shaft is moved up and down in accordance with the vertical displacement of the reel support member that rotates with the rotation of the rotary disk so that the reel axis does not fall over the annular cored bar. It has a reel revolving device to revolve,
The steel wire wound around the reel is spirally entangled with the annular cored bar by rotating the reel with the reel revolving unit while rotating the annular cored bar with the cored bar rotating device. An apparatus for producing a twisted bead wire.   The guide shaft of the shaft elevating device has a round bar shape, and the reel is pivotally supported on the reel support member by using the guide shaft as a support shaft. The manufacturing apparatus of the twisted bead wire of description.   The rotating disk is provided with an idle hole made of a long hole along its radial direction, and an idler shaft that supports the reel support member to be freely rotatable on the rotating disk is supported so as to be movable according to the idle hole. The apparatus for producing a twisted bead wire according to claim 1 or 2, wherein the apparatus is a twisted bead wire. The rotating bead wire manufacturing apparatus according to any one of claims 1 to 3, wherein the rotating disk includes a slit extending from an outer peripheral edge thereof to an insertion hole provided in the center.

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