WO2022030183A1 - タイヤ製造装置及びタイヤ製造方法 - Google Patents
タイヤ製造装置及びタイヤ製造方法 Download PDFInfo
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- WO2022030183A1 WO2022030183A1 PCT/JP2021/025996 JP2021025996W WO2022030183A1 WO 2022030183 A1 WO2022030183 A1 WO 2022030183A1 JP 2021025996 W JP2021025996 W JP 2021025996W WO 2022030183 A1 WO2022030183 A1 WO 2022030183A1
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- WIPO (PCT)
- Prior art keywords
- drum
- tire
- axis
- ribbon strip
- ribbon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
- B29D30/16—Applying the layers; Guiding or stretching the layers during application
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/58—Applying bands of rubber treads, i.e. applying camel backs
- B29D30/60—Applying bands of rubber treads, i.e. applying camel backs by winding narrow strips
Definitions
- the present invention relates to a tire manufacturing apparatus and a tire manufacturing method, and more particularly to a tire manufacturing apparatus and a tire manufacturing method for manufacturing a tire using a mold (core) having an outer peripheral shape of the inner peripheral surface of the tire.
- a metal core manufacturing method (core manufacturing method) is known.
- different types of rubber materials such as inner liner, carcass, belt ply, sidewall, and tread are applied to the outer circumference of the core formed with the shape of the inner peripheral surface of the product tire as the outer shape.
- Raw tires are formed by forming them into ribbon strips, winding them, and stacking them in sequence.
- the product tire is manufactured by transporting the core together to the vulcanization molding apparatus, sandwiching the core with a vulcanization mold as an inner mold, and vulcanizing molding.
- the device for supplying the ribbon strip to the outer circumference of the rotating core may be moved in the radial direction or the width direction of the core, or the patent may be applied.
- the ribbon strip is wound around a device for supplying the ribbon strip by rotating or moving the core with the center of the core as the center of rotation.
- Patent Document 1 when the device for supplying the ribbon strip is configured by an extruder and moved with respect to the core, the weight of the device is heavy and problems such as energy loss, failure risk, and feed shortage occur. It can be a factor in the occurrence. Further, as shown in Patent Document 2, a device for supplying the ribbon strip to the core is fixed, and the center line penetrating the intersection of the center in the width direction of the core and the center axis of rotation in the vertical direction is set as the center of rotation. To make the child swivel and move the core along the XY axes set on the swivel surface on which the core swivels to wind and stack the ribbon strips, the stacking angle of the ribbon strips must be adjusted.
- the present invention has been made in view of the above problems, and provides a tire manufacturing apparatus and a tire manufacturing method capable of reducing energy loss, device failure risk or feed shortage trouble, and improving the stacking speed of ribbon strips. The purpose is.
- a supply device for supplying a ribbon strip formed in a ribbon shape as a member constituting the tire and a drum having an inner peripheral shape as an outer shape of the product tire are rotated.
- a tire manufacturing device including a tire molding device for sticking a ribbon strip to the outer periphery of a drum, the supply device having a sticking position for sticking the ribbon strip to the outer periphery of the drum, and the tire molding device rotating.
- a drum provided with the shaft horizontal, a swivel that swirls the drum around the axis that vertically penetrates the sticking position while maintaining the horizontal state of the rotating shaft of the drum, and a swivel that is provided on the swivel and is used on the swivel. It is equipped with a parallel movement mechanism that moves the drum in parallel along the set horizontal plane, and the rotation axis is configured to extend in the tangential direction of the circle centered on the axis on which the swivel table swivels.
- the supply device can be fixed, and troubles such as energy loss, failure risk, and feed shortage for moving a heavy extruder constituting the supply device can be reduced. That is, by always aligning the turning center axis of the drum with the attachment position to the drum, the drum can be swiveled at high speed, and the degree of freedom of the laminating pattern of the ribbon strip can be improved.
- FIG. 1 is a schematic configuration diagram of a tire manufacturing apparatus 1 according to the present embodiment.
- FIG. 2 is a perspective view showing the configuration of the tire molding apparatus 2.
- the tire manufacturing apparatus 1 is an apparatus for manufacturing a product tire by a metal core manufacturing method, and has a tire molding having a drum 10 that functions as an inner mold (core) at the time of vulcanization molding of the tire.
- the device 2 and a member supply device 6 for supplying tire components made of rubber such as an inner liner, a sidewall, and a tread in the product tire are provided on the outer periphery of the drum 10.
- the member supply device 6 is a device for supplying a rubber material constituting each part of a product tire such as tread rubber or sidewall rubber by molding it into a strip shape. That is, the member supply device 6 supplies strip-shaped rubber (hereinafter referred to as a ribbon strip) having suitable properties to each of the above-mentioned parts.
- a ribbon strip strip-shaped rubber
- the member supply device 6 includes, for example, an extrusion molding machine (hereinafter, simply referred to as an extruder) 60 and a sticking means 70.
- the extruder 60 continuously supplies the ribbon strip 64 formed into a predetermined cross-sectional shape by the base 62 attached to the tip of the unvulcanized rubber that has been heated and kneaded as a raw material.
- the ribbon strip 64 formed by the extruder 60 is transported to the sticking means 70 via a transport means (not shown) composed of a plurality of rollers and the like.
- the sticking means 70 includes, for example, a pair of rollers 72; 74 and a rotation driving means (not shown) that drives the rollers 72; 74.
- the pair of rollers 72; 74 have a cylindrical shape, for example, and are supported by a support means (not shown) so as to be parallel to each other with the axes C72; C74 oriented in the horizontal direction.
- the pair of rollers 72; 74 are rotationally driven by the rotational drive means in synchronization with each other in opposite directions as shown by the arrows in the figure.
- the rotation speed of the rollers 72; 74 is set according to the extrusion speed of the ribbon strip 64 extruded from the extruder 60.
- the rollers 72; 74 are configured so that, for example, the outer diameter dimensions are different. As shown in FIG. 1, the large-diameter roller 72 is arranged on the lower side and the small-diameter roller 74 is arranged on the upper side, and the outer peripheral surface of the large-diameter roller 72 conveys the ribbon strip 64 more than the outer peripheral surface of the small-diameter roller 74. It is set to be located in front of the direction.
- the rollers 72; 74 are arranged so that their outer peripheral surfaces are separated from each other by a predetermined distance, and the ribbon strip 64 extruded from the base 62 is sandwiched between the rollers 72 and 74, and the attachment position P to the drum 10 is achieved by the rotation of the rollers 72. Lead to.
- the tire forming apparatus 2 is the most on the outer peripheral surface of the roller 72. Since the portion located on the side is close to the outer peripheral surface of the drum 10, the position is set as the attachment position P of the ribbon strip 64 to the drum 10 (see FIG. 1).
- the sticking position P may be appropriately set within the range of the thickness from the outer peripheral surface of the roller 72 in consideration of the thickness of the ribbon strip 64. Further, the ribbon strip 64 is assumed to pass through the center of the roller 72 in the width direction, and the position of the center of the roller 72 in the width direction is set as the attachment position P.
- the tire forming apparatus 2 is arranged so as to face the supply direction of the ribbon strip 64 supplied from the member supply apparatus 6.
- the tire forming apparatus 2 includes a drum 10 to which the ribbon strip 64 is attached and a pedestal 20 that changes the position of the drum 10 with respect to the member supply device 6, and the pedestal 20 positions the drum 10 with respect to the member supply device 6 so as to face each other. It is configured to be variable.
- the pedestal 20 is movable on the floor surface of, for example, a tire manufacturing factory, and includes a base 22, a swivel table 24, a moving table 26, and a drum table 28.
- the pedestal 20 is configured by stacking the base 22, the swivel 24, the moving table 26, and the drum table 28 in this order from the floor side.
- the base 22 is a base portion of the pedestal 20, and is provided with, for example, wheels for moving on a rail laid on the floor surface (not shown).
- the base 22 has a horizontal surface portion 22a in which a part on the upper surface side is formed in a plane shape and the flat surface portion is horizontal when the pedestal 20 is arranged on the rail.
- the base 22 is provided with a rotation support mechanism having a rotation shaft 30 that enables the turntable 24 to turn with respect to the base 22, and a rotation drive mechanism 32.
- the rotation support mechanism can be configured by, for example, a rotation shaft 30 and a plurality of types of bearings (not shown).
- the rotating shaft 30 is rotatably attached to the base 22 via a bearing or the like with the axis C directed in the vertical direction so as to penetrate the horizontal surface portion 22a of the base 22.
- the tire forming apparatus 2 is arranged with respect to the member supply apparatus 6 so that the axis C of the rotating shaft 30 passes through the attachment position P of the ribbon strip 64.
- the swivel base 24 is fixed to the upper end of the rotating shaft 30 that penetrates the horizontal surface portion 22a of the base 22.
- a rotation drive mechanism for rotating the rotation shaft 30 is connected to the lower end of the rotation shaft 30.
- the rotary drive mechanism can be composed of, for example, a motor as a drive source and a transmission mechanism for transmitting the rotational force of the motor to the swivel table.
- a chain, a belt, a pair of sprockets, or the like can be used as the transmission mechanism.
- One sprocket may be attached to a rotating shaft, the other sprocket may be attached to a motor, and the chain or belt may be hung on both sprockets.
- a rotation support mechanism is provided between the horizontal surface portion 22a of the base 22 and the lower surface 24b of the swivel table 24.
- Thrust bearings can be interposed to form part of the.
- a linear motion mechanism 34 is provided on the upper surface 24a of the swivel table 24.
- the linear motion mechanism 34 for example, a linear rail 35 and a block 36 movably provided on the linear rail 35 can be used.
- a pair of linear motion mechanisms 34 are provided on the swivel table 24 so as to extend in parallel with each other, and the upper surface of the swivel table 24 so that the linear rails 35; 35 extend in the tangential direction of the swivel direction of the swivel table 24. It is fixed to 24a.
- the position of the block 36 on the linear rail 35 can be controlled by using, for example, a drive mechanism including a ball screw mechanism and a motor.
- the moving table 26 is made of, for example, a plate body in which the upper surface 26a and the lower surface 26b are formed as planes parallel to each other, and the lower surface 26b is fixed to the blocks 36; 36 of the pair of linear motion mechanisms 34 attached to the swivel table 24. Will be done.
- a linear motion mechanism 38 is provided on the upper surface 24a of the moving table 26.
- the linear motion mechanism 38 for example, a linear rail 39 and a block 40 movably provided on the linear rail 39 can be used.
- a pair of linear motion mechanisms 38 are provided on the moving table 26 so as to extend in parallel with each other.
- the linear rail 39 of each linear motion mechanism 38 is fixed to the upper surface 24a of the swivel table 24 so as to extend in the direction orthogonal to the linear rail 35 provided on the swivel table 24.
- the position of the block 40 on the linear rail 39 can be controlled by using, for example, a drive mechanism including a ball screw mechanism and a motor.
- the drum stand 28 includes, for example, a substrate portion 28A made of a rectangular plate body in which the upper surface 28a and the lower surface 28b are formed as planes parallel to each other, and a rising wall portion 28B.
- the lower surface 28b of the substrate portion 28A is fixed to the blocks 40; 40 of the pair of linear motion mechanisms 38 attached to the moving table 26.
- a drum drive device 42 that rotatably supports the drum 10 is provided on the upper surface 28a of the drum base 28.
- the drum drive device 42 includes, for example, a motor that is a drive source for rotating the drum 10, a drum shaft 44 for attaching the drum 10, a transmission mechanism that transmits the rotation of the motor to the drum shaft 44, and a drum 10 from the drum shaft 44. It is provided with an attachment 46 that enables attachment / detachment of the drum.
- the motor and the transmission mechanism are housed in one housing as, for example, the mechanism portion 48, and are arranged on the substrate portion 28A.
- the drum shaft 44 extends horizontally from the mechanism portion 48 so as to be cantilevered, one end thereof is connected to the transmission mechanism, and the other end side penetrates the rising wall portion 28B of the drum base 28.
- the height of the axis C44 of the rotation center axis of the drum axis 44 is set to match the height of the axis C72 of the roller 72, for example.
- the attachment 46 is attached to the outer periphery of the tip side of the drum shaft 44 that penetrates the rising wall portion 28B of the drum shaft 44.
- the attachment 46 includes an attachment / detachment mechanism for allowing the drum 10 to be attached / detached from the drum shaft 44.
- the drum 10 is formed so that the outer peripheral shape matches the inner peripheral shape of the product tire, and the inner peripheral side is detachably attached to the attachment 46.
- detachable as used herein means a state in which the attachment 46 is non-rotatable in the circumferential direction, rotates together with the attachment 46, and is movably attached in the axial direction.
- the drum 10 can rotate the drum 10 by rotating the swivel base 24 with respect to the base 22. Further, by moving the moving table 26 on the swivel table 24 or moving the drum table 28 on the moving table 26, the position of the drum 10 on the swivel table 24 can be freely changed. That is, an orthogonal coordinate axis set on the flat upper surface 24a of the swivel table 24, for example, with the extension direction of the linear motion mechanism 34; 34 as the X axis and the extension direction of the linear motion mechanism 38; 38 as the Y axis. The drum 10 can be moved along the.
- the angle of the ribbon strip 64 delivered from the roller 72 to the outer periphery of the drum 10 can be changed at the sticking position P. Further, by moving the ribbon strip 64 in the X and Y directions of each axis on the swivel table 24, the position where the ribbon strip 64 is attached on the drum 10 is controlled, and the pressure at which the ribbon strip 64 is attached is transferred from the roller 72. Can be controlled.
- the linear motion mechanism 34; 34 allows the moving table 26 to move in the tangential direction around the axis C, and the linear motion mechanism 38; 38 allows the drum table 28 to move in the moving direction of the moving table 26 on the swivel table 24.
- the position of the drum 10 in the above is not limited to this, but the direction in which the moving table 26 moves on the swivel table 24 and the direction in which the drum table 28 moves on the moving table 26 are set as appropriate. Just do it. That is, the drum 10 may be movable on the swivel table 24 in the directions orthogonal to each other.
- FIG. 3 and 4 are views showing the operation of the tire manufacturing apparatus 1 according to the present embodiment.
- Figure 3 shows It is a figure which shows an example when the ribbon strip 64 is attached to the center in the width direction of a drum 10. As shown in the enlarged view of the figure, it is a layout drawing of the tire forming apparatus 2 with respect to the member supply apparatus 6 when the ribbon strip 64 is attached without being inclined at the center in the width direction of the drum 10. For example, this state is defined as a turning angle of 0 ° of the tire forming apparatus 2.
- FIG. 4 shows a state in which the tire forming apparatus 2 is rotated by 90 ° from the state shown in FIG. 3 so that the side surface 10s of the drum 10 faces the attachment position P.
- the swivel table 24 may be rotated by 90 °, and only the drum table 28 may be moved so that the side surface 10s of the drum 10 faces the attachment position P.
- the swivel table 24 is swiveled small to adjust the sticking angle of the ribbon strip 64. It's fine. That is, since the axis C of the swivel table 24 coincides with the sticking position P, even if the position of the drum 10 is swiveled greatly, the drum 10 does not need to be moved abruptly along the X-axis and the Y-axis. , Can contribute to high speed and high accuracy.
- the amount of movement of the drum 10 can be reduced as described above, so that the movement amount of the member supply device 6 side can be reduced with respect to the drum 10 as in the conventional case. It is possible to reduce troubles such as energy loss, equipment failure risk, and feed shortage, and improve the stacking speed of the ribbon strip 64.
- FIG. 5 is a diagram showing another form of the tire manufacturing apparatus 1.
- the tire manufacturing apparatus 1 is provided with two tire forming apparatus 2A; 2B on the same rail 8; 8 for one member supply apparatus 6, thereby producing a raw tire.
- the molding efficiency of the tire can be improved.
- Each tire forming apparatus 2A; 2B is configured such that the drum shafts 44 face each other. Further, when the tire forming devices 2A: 2B are moved along the rails 8; 8, the axis C of each swivel table 24 corresponds to the sticking position P set in the tire manufacturing device 1. It is composed.
- the ribbon strip 64 can be attached to the portion corresponding to the bead portion of the tire on one side surface, but the other.
- the ribbon strip 64 cannot be attached to the side surface 10s of the tire. Therefore, as shown in FIG. 5B, after the attachment of one side surface of the tire forming apparatus 2A is completed, the tire forming apparatus 2A is moved to the tire forming apparatus 2B and the ribbon strip 64 is attached to the other side surface 10s. You just have to do.
- the member supply device 6 may be capable of moving forward and backward with respect to the tire forming device 2A; 2B.
- a member supply device 6 for supplying an inner liner material forming an inner peripheral surface of a product tire, a member supply device 6 for supplying a sidewall material, and a member supply device for supplying a tread material are used.
- a member supply device 6 for supplying an inner liner material forming an inner peripheral surface of a product tire a member supply device 6 for supplying a sidewall material, and a member supply device for supplying a tread material are used.
- the ribbon strip is attached to the outer periphery of the drum while rotating the supply device that supplies the ribbon strip formed into a ribbon shape as a member constituting the tire and the drum having the inner peripheral shape of the product tire as the outer shape.
- the supply device has a attaching position for attaching the ribbon strip to the outer periphery of the drum, and the tire forming apparatus is provided with the rotation axis horizontal.
- the rotating shaft is provided with a parallel moving mechanism for moving the tires in parallel, and the rotating shaft extends in the tangential direction of the circle centered on the axis on which the swivel is swiveled.
- the drum can be swiveled at high speed, and the degree of freedom of the laminating pattern of the ribbon strip can be improved. Further, according to this configuration, in order to move the drum to the attachment position, even if the swivel table is swiveled greatly, it is necessary to move the drum rapidly (parallel movement) along, for example, the XY axis set on the swivel table. Because there is no such thing, it can contribute to high speed and high accuracy.
- the parallel movement mechanism may be configured to move the drum in parallel in the tangential direction of the circle centered on the axis and in the orthogonal direction orthogonal to the tangential direction. That is, in the tire manufacturing method by the metal core manufacturing method, when a ribbon strip formed into a ribbon shape as a member constituting the tire is attached to the outer periphery of the drum while rotating a drum having an inner peripheral shape as an outer shape in the product tire.
- the drum is provided on a swivel that swivels around an axis that vertically penetrates the position where the ribbon strip is attached to the drum set in the feeder, and the rotating axis is horizontal, and the horizontal plane set on the swivel on the swivel. It is preferable that the drum can be moved in parallel along the line, preferably, the drum can move in parallel along the horizontal plane on the swivel table in the tangential direction of the circle centered on the axis and in the orthogonal direction orthogonal to the tangent direction. It is good to say.
- the member supply device is intended to supply the ribbon strip by kneading the rubber material with an extruder, but the present invention is not limited to this, and the member supply device is not limited to this, for example, a belt material or the like including an aggregate such as a fiber. It may be the one that supplies.
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Abstract
Description
中子へのリボンストリップの巻き付けは、例えば、特許文献1に示すように、回転する中子の外周に対してリボンストリップを供給する装置を中子の半径方向や幅方向に移動させたり、特許文献2に示すように、リボンストリップを供給する装置に対して、中子の中心を旋回中心として中子を旋回させたり移動させたりすることで巻き付けている。
本発明は、上記課題を鑑みてなされたものであり、エネルギーロスや装置の故障リスク或いはフィード切れトラブルを低減させるとともに、リボンストリップの積層速度を向上可能なタイヤ製造装置及びタイヤ製造方法を提供することを目的とする。
本構成によれば、供給装置を固定化することができ、供給装置を構成する重量の大きな押出機を移動させるエネルギーロス、故障リスクやフィード切れ等のトラブルを低減させることができる。即ち、ドラムの旋回中心軸をドラムへの貼付位置に常に一致させることで、高速でドラムを旋回させることができ、リボンストリップの積層パターンの自由度を向上させることができる。
図1に示すように、タイヤ製造装置1は、メタルコア製法により製品タイヤを製造するための装置であって、タイヤの加硫成型時における内型(中子)として機能するドラム10を有するタイヤ成形装置2と、ドラム10の外周に、製品タイヤにおいてインナーライナー、サイドウォール、トレッド等のゴムを素材とするタイヤ構成部材を供給する部材供給装置6とを備える。
押出機60により成形されたリボンストリップ64は、複数のローラ等で構成される図外の搬送手段を介して貼付手段70に搬送される。
また、リボンストリップ64は、ローラ72の幅方向の中央を通るものとし、ローラ72の幅方向中央の位置を貼付位置Pとした。
回転支持機構は、例えば、回転軸30と、図外の複数種類のベアリング等により構成することができる。回転軸30は、基台22の水平面部22aを貫通するように、軸線Cを鉛直方向に向けて基台22にベアリングなどを介して回転自在に取り付けられる。タイヤ成形装置2は、回転軸30の軸線Cがリボンストリップ64の貼付位置Pを通るように部材供給装置6に対して配置される。
また、移動台26を旋回台24上において移動させたり、ドラム台28を移動台26上において移動させたりすることにより、旋回台24上におけるドラム10の位置を自在に変化させることができる。即ち、旋回台24の平面状に形成された上面24aに、例えば、直動機構34;34の延長方向をX軸、直動機構38;38の延長方向をY軸等として設定された直交座標軸に沿ってドラム10を移動させることができる。
また、旋回台24上において、各軸X,Y方向に移動させることにより、ドラム10におけるリボンストリップ64の貼付される位置を制御するとともに、ローラ72から受け渡されるリボンストリップ64の貼付される圧力を制御することができる。
ドラム10の幅方向中央にリボンストリップ64を貼付するときの一例を示す図である。同図の拡大図に示すように、ドラム10の幅方向中央においてリボンストリップ64を傾斜させずに貼付するときの、部材供給装置6に対するタイヤ成形装置2の配置図である。例えば、この状態をタイヤ成形装置2の旋回角度0°とする。
図5(a)に示すように、タイヤ製造装置1は、1基の部材供給装置6に対して2基のタイヤ成形装置2A;2Bを同一のレール8;8上に設けることで、生タイヤの成形効率を向上させることができる。各タイヤ成形装置2A;2Bは、ドラム軸44が互いに対向するように構成される。また、各タイヤ成形装置2A:2Bは、レール8;8に沿って移動させたときに、それぞれの旋回台24の軸線Cが、タイヤ製造装置1において設定された貼付位置Pに対応するように構成される。
なお、図5(b)の矢印で示すように、部材供給装置6は、タイヤ成形装置2A;2Bに対して前進後退可能としても良い。
本構成によれば、供給装置を固定化することができ、供給装置を構成する重量の大きな押出機を移動させるエネルギーロス、故障リスクやフィード切れ等のトラブルを低減させることができる。即ち、ドラムの旋回中心軸をドラムへの貼付位置に常に一致させることで、高速でドラムを旋回させることができ、リボンストリップの積層パターンの自由度を向上させることができる。また、本構成によれば、ドラムを貼付位置に移動させるために、旋回台を大きく旋回させても、旋回台に設定された例えば、XY軸に沿ってドラムを急激に動かす(平行移動)必要がないため、高速化、高精度化に貢献できる。
また、タイヤ製造装置において、平行移動機構が、軸線を中心とする円の接線方向及び該接線方向と直交する直交方向にドラムを平行に移動させるように構成すると良い。
即ち、メタルコア製法によるタイヤ製造方法において、タイヤを構成する部材としてリボン状に成形されたリボンストリップを製品タイヤにおける内周形状を外形形状として有するドラムを回転させながらドラムの外周に貼付する際に、供給装置に設定されたドラムへのリボンストリップの貼付位置を鉛直に貫く軸線周りに旋回する旋回台に、回転軸を水平にして前記ドラムを設けるとともに、旋回台上において旋回台に設定された水平面に沿ってドラムを平行に移動可能とすると良く、好ましくは、ドラムが旋回台上において水平面に沿って、軸線を中心とする円の接線方向及び該接線方向と直交する直交方向に平行に移動可能とすると良い。
10 ドラム、20 台座、22 基台、24 旋回台、26 移動台、
28 ドラム台、60 押出成形機(押出機)、64 リボンストリップ、
C 軸線。
Claims (4)
- タイヤを構成する部材としてリボン状に成形されたリボンストリップを供給する供給装置と、
製品タイヤにおける内周形状を外形形状として有するドラムを回転させながら、前記リボンストリップを前記ドラムの外周に貼付するタイヤ成形装置とを備えるタイヤ製造装置であって、
前記供給装置は、
前記ドラムの外周に前記リボンストリップを貼付する貼付位置を有し、
前記タイヤ成形装置は、
回転軸を水平にして設けられたドラムと、
前記ドラムの回転軸の水平状態を維持したまま、前記貼付位置を鉛直に貫く軸線周りにドラムを旋回させる旋回台と、
前記旋回台に設けられ、該旋回台に設定された水平面に沿って前記ドラムを平行に移動させる平行移動機構と、を備え、
前記回転軸は、前記旋回台が旋回する軸線周りの接線方向に延長することを特徴とするタイヤ製造装置。 - 前記平行移動機構は、
前記軸線を中心とする円の接線方向及び該接線方向と直交する直交方向に前記ドラムを平行に移動させることを特徴とする請求項1に記載のタイヤ製造装置。 - タイヤを構成する部材としてリボン状に成形されたリボンストリップを製品タイヤにおける内周形状を外形形状として有するドラムを回転させながら前記ドラムの外周に貼付するタイヤ製造方法であって、
供給装置に設定された前記ドラムへの前記リボンストリップの貼付位置を鉛直に貫く軸線周りに旋回する旋回台に、回転軸を水平にして前記ドラムを設けるとともに、
前記旋回台に設定された水平面に沿って前記ドラムを平行に移動可能としたタイヤ製造方法。 - 前記ドラムを、前記旋回台上において水平面に沿って、前記軸線を中心とする円の接線方向及び該接線方向と直交する直交方向に平行に移動可能としたことを特徴とする請求項3に記載のタイヤ製造方法。
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| EP21853137.4A EP4194190B1 (en) | 2020-08-07 | 2021-07-09 | Tire production device and tire production method |
| US18/017,817 US20230264446A1 (en) | 2020-08-07 | 2021-07-09 | Tire production device and tire production method |
| CN202180057021.5A CN116056878B (zh) | 2020-08-07 | 2021-07-09 | 轮胎制造装置和轮胎制造方法 |
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| JP7568962B1 (ja) * | 2023-08-08 | 2024-10-17 | 横浜ゴム株式会社 | 筒状のタイヤ部材の製造装置および方法 |
| JP7568963B1 (ja) * | 2023-08-08 | 2024-10-17 | 横浜ゴム株式会社 | 筒状のタイヤ部材の製造装置および方法 |
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- 2021-07-09 US US18/017,817 patent/US20230264446A1/en not_active Abandoned
- 2021-07-09 WO PCT/JP2021/025996 patent/WO2022030183A1/ja not_active Ceased
- 2021-07-09 EP EP21853137.4A patent/EP4194190B1/en active Active
- 2021-07-09 CN CN202180057021.5A patent/CN116056878B/zh active Active
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| JP2012166516A (ja) * | 2011-02-16 | 2012-09-06 | Sumitomo Rubber Ind Ltd | ベルトプライの形成装置 |
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| JP2022030605A (ja) | 2022-02-18 |
| EP4194190B1 (en) | 2025-06-18 |
| EP4194190A4 (en) | 2024-02-14 |
| JP7455698B2 (ja) | 2024-03-26 |
| CN116056878A (zh) | 2023-05-02 |
| CN116056878B (zh) | 2025-08-05 |
| EP4194190A1 (en) | 2023-06-14 |
| US20230264446A1 (en) | 2023-08-24 |
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