Device and method for manufacturing cylindrical tire member

Abstract

To provide a device and a method for manufacturing a cylindrical tire member which can smoothly and quickly supply belt-like tire materials supplied in a flatly placed state through a plurality of parallelly arranged conveyors, to a molding drum body, accurately position the materials in a drum width direction, and manufacture a high-quality tire member in a cylindrical shape, with high productivity.SOLUTION: An upper structure part 4 including a molding drum body 6 is arranged on a base part 3, and the base part 3 is connected by a vertically moving mechanism 9 to the upper structure part 4. A slidably moving mechanism 8 moves a drum unit 2 including the base part 3, the upper structure part 4 and the vertically moving mechanism 9 integrally in a drum width direction. The vertically moving mechanism 9 moves the upper structure part 4 in a vertical direction to move the molding drum body 6 to a winding position. At the winding position, a drum moving mechanism 7 that is different from the slidably moving mechanism 8 moves the molding drum body 6 in the drum width direction to wind the tire materials M1 and M2 around the molding drum body 6 while correcting variation in positions of the tire materials in the drum width direction.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to an apparatus and method for manufacturing cylindrical tire components, and more particularly to an apparatus and method for smoothly and quickly supplying a strip-shaped tire material supplied in a flat state by a plurality of parallel conveyors to a building drum body and accurately positioning it in the drum width direction, thereby enabling high-quality cylindrical tire components to be manufactured with high productivity. [Background technology]

[0002] Tires are manufactured by vulcanizing green tires. Green tires are formed by laminating many different types of tire materials. For example, an inner liner, carcass material, belt material, tread rubber, a pair of bead members, etc. are integrated on a molding drum to form a green tire.

[0003] A device has been proposed in which, when supplying a wide variety of band-shaped tire materials to a forming drum, conveyors that supply each tire material in a flat state are arranged in a vertically overlapping range, and the forming drum is moved vertically according to the position of the tip of each conveyor (see, for example, FIG. 2 of Patent Document 1). Arranging the conveyors in this manner makes the device more compact. This forming drum 2 moves in the drum width direction along rails 8, and is positioned in front of each of the conveyors 10 that are arranged in parallel, and the tire materials supplied by each conveyor 10 are wound around the forming drum to produce a cylindrical tire component.

[0004] If there is variation in the drum width direction position of one tire material supplied to the forming drum, the tire material will be wound around the forming drum in a meandering state, which will cause a deterioration in the quality of the tire component manufactured in a cylindrical shape. In addition, when multiple tire materials are sequentially wound around the forming drum and stacked, if there is variation in the drum width direction position of each tire material supplied, the tire materials will be stacked with a shift in the width direction, which will cause a deterioration in the quality of the tire component (laminate) manufactured in a cylindrical shape. By moving the forming drum in the width direction relative to the tire material supplied, the variation in the drum width direction position of the tire material can be corrected. However, in the device proposed in the cited document 1, not only the forming drum 2 but also the assembly unit 1 including the vertical support 15 supporting the forming drum 2 and the like moves integrally along the rail 8. Therefore, in order to correct the variation in the drum width direction position of the tire material, it is necessary to move the assembly unit 1, which is larger and heavier than the forming drum 2, in the drum width direction, making it difficult to quickly move the forming drum 2 in the drum width direction. This is disadvantageous in terms of smoothly and quickly supplying the tire material to the building drum and accurately positioning it in the drum width direction and winding it thereon, and there is therefore room for improvement. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Special Publication No. 2010-506766 Summary of the Invention [Problem to be solved by the invention]

[0006] An object of the present invention is to provide an apparatus and method for smoothly and quickly supplying strip-shaped tire material, which is supplied in a flat state by multiple parallel conveyors, to a building drum body and accurately positioning it in the drum width direction, thereby enabling high-quality cylindrical tire components to be produced with high productivity. [Means for solving the problem]

[0007] In order to achieve the above-mentioned object, the present invention provides a manufacturing apparatus for cylindrical tire components, which comprises a conveyor that supplies a strip-shaped tire material in a flat state, and a forming drum body on which the tire material supplied by the conveyor is wound to form a cylindrical shape, and a plurality of the conveyors are arranged in parallel in the drum width direction, and the manufacturing apparatus for cylindrical tire components is equipped with a slide movement mechanism that slides the forming drum body in the drum width direction, and an up-down movement mechanism that moves the forming drum body up and down, wherein an upper structure including the forming drum body is disposed on a base part, the base part and the upper structure part are connected by the up-down movement mechanism, and the drum unit including the base part, the upper structure part and the up-down movement mechanism is moved as a whole in the drum width direction by the slide movement mechanism, and the upper structure part has a drum movement mechanism that moves the forming drum body in the drum width direction, and the drum movement mechanism is installed as a mechanism separate from the slide movement mechanism.

[0008] In the method for manufacturing a cylindrical tire component of the present invention, a plurality of conveyors are arranged in parallel with a forming drum body in a drum width direction, and when a band-shaped tire material supplied in a flat state by each of the conveyors is wound around the forming drum body to form a cylindrical shape, the forming drum body is moved to a winding position near the front end of the conveyor that supplies the tire material to the forming drum body using a slide movement mechanism that moves the forming drum body in the drum width direction and a vertical movement mechanism that moves it in an up and down direction, and then the tire material supplied by the conveyor is wound around the forming drum body at the winding position, in the method for manufacturing a cylindrical tire component, an upper structure portion including the forming drum body is disposed on a base portion, and the base portion is moved to a position where the tire material is wound around the forming drum body. the upper structure part and the base part are connected by an up-down movement mechanism, the upper structure part has a drum movement mechanism which moves the forming drum body in the drum width direction, separate from the sliding movement mechanism, the sliding movement mechanism moves a drum unit including the base part, the upper structure part and the up-down movement mechanism as a whole in the drum width direction, and the up-down movement mechanism moves the upper structure part in the up-down direction to move the forming drum body to the winding position, and at the winding position, the forming drum body is moved in the drum width direction by the drum movement mechanism, thereby winding the tire material around the forming drum body while correcting any variation in the drum width direction position of the tire material to be wound around the forming drum body. Effect of the Invention

[0009] According to the present invention, the forming drum body can be moved to the appropriate winding position where the tire material can be smoothly transferred from the conveyor to the forming drum body by moving the drum unit as a whole in the drum width direction by the slide movement mechanism and moving the upper structure in the vertical direction by the vertical movement mechanism. At the winding position, the forming drum body is moved in the drum width direction by the drum movement mechanism, so that the variation in the drum width direction position of the tire material can be corrected when winding it around the forming drum body. And, since the drum movement mechanism moves the forming drum body in the drum width direction, not the drum unit, it is advantageous for quickly moving the forming drum body to a desired drum width direction position. As a result, the tire material can be smoothly and quickly supplied to the forming drum body from each of the parallel conveyors and can be accurately positioned in the drum width direction. As a result, the forming drum body can form the tire material into a cylindrical shape while suppressing the variation in the drum width direction, which is advantageous for manufacturing high-quality cylindrical tire components with good productivity. [Brief description of the drawings]

[0010] [Figure 1] FIG. 1 is an explanatory diagram illustrating an embodiment of a manufacturing apparatus for a cylindrical tire member in a plan view. [Diagram 2] FIG. 2 is an explanatory diagram illustrating the manufacturing apparatus of FIG. 1 as viewed from the front. [Diagram 3] FIG. 2 is an explanatory diagram illustrating the manufacturing apparatus of FIG. 1 in a side view. [Figure 4] 2 is an explanatory diagram illustrating, in a plan view, a state in which the forming drum body in FIG. 1 has been moved to one winding position. FIG. [Diagram 5] 5 is an explanatory diagram illustrating the forming drum body of FIG. 4 in a side view. FIG. [Figure 6] 5 is an explanatory diagram illustrating a state in which the tire material is being wound onto a building drum body at the winding position in FIG. 4. [Figure 7] 7 is an explanatory diagram illustrating, in a plan view, a state in which the forming drum body in FIG. 6 has been moved to the other winding position. FIG. [Figure 8]8 is an explanatory diagram illustrating the forming drum body of FIG. 7 as seen from a side. FIG. [Figure 9] 8 is an explanatory diagram illustrating a state in which the tire material is being wound onto a building drum body at the winding position in FIG. 7. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an apparatus and method for manufacturing a cylindrical tire member according to the present invention will be described with reference to the embodiments shown in the drawings.

[0012] Using the embodiment of the manufacturing apparatus 1 for a cylindrical tire component illustrated in Figs. 1 to 3, band-shaped tire materials M1, M2 supplied by conveyors 10a, 10b in a flat state are wound around a molding drum body 6 to manufacture a cylindrical tire component M. For example, an inner liner and a carcass material are used as the tire materials M1, M2 and sequentially supplied to the molding drum body 6, and an inner liner layer and a carcass layer are manufactured and laminated as the cylindrical tire component M. A green tire G is molded using the inner liner layer and the carcass layer. The molded green tire G is vulcanized to manufacture a tire T.

[0013] The manufacturing apparatus 1 includes conveyors 10a and 10b that supply tire materials M1 and M2 in a flat state, a drum unit 2 including a forming drum body 6, a slide movement mechanism 8 that slides the drum unit 2 in the drum width direction, and a vertical movement mechanism 9 that moves the forming drum body 6 up and down. In this embodiment, the manufacturing apparatus 1 further includes a sensor 11 and a control unit 12. The X, Y, and Z arrows in the figure respectively indicate the width direction, front-rear direction, and height direction of the manufacturing apparatus 1 (forming drum body 6), which are mutually perpendicular directions. In the figure, the direction from the conveyors 10a and 10b toward the forming drum body 6 in the front-rear direction (Y direction) is the front.

[0014] The conveyors 10a, 10b are belt conveyors or similar conveying means. A plurality of conveyors 10a, 10b are arranged in parallel in the drum width direction. Each conveyor 10a, 10b is basically fixed at a certain position on the ground and does not move. In this embodiment, the front ends of the conveyors 10a, 10b are set at substantially the same positions in the front-rear direction, and the vertical positions are set at slightly different positions. The front ends of the conveyors 10a, 10b can be set at different positions in the front-rear direction, or can be set at substantially the same positions in the vertical direction.

[0015] The tire materials M1 and M2 supplied by the conveyors 10a and 10b are wound around the forming drum body 6 to form it into a cylindrical shape. The drum axis C of the forming drum body 6 extends in the X direction. The forming drum body 6 is rotated about the drum axis C by the rotary drive unit 6a.

[0016] The drum unit 2 is an entire structure including a base part 3, an upper structure part 4, a sliding movement mechanism 8, and a vertical movement mechanism 9. The drum unit 2 is divided into an upper part, the base part 3, and an upper structure part 4, and the upper structure part 4 is disposed above the base part 3. The base part 3 and the upper structure part 4 are connected by a vertical movement mechanism 9.

[0017] The base part 3 is placed on a guide rail 2a that extends in the drum width direction on the ground. A drive motor and the like that constitute a slide movement mechanism 8 are installed on the base part 3. As the slide movement mechanism 8, various known mechanisms that move the base part 3 along the guide rail 2a can be used. When the base part 3 is moved along the guide rail 2a by the slide movement mechanism 8, the drum unit 2 including the forming drum body 6 moves in the drum width direction.

[0018] The upper structure 4 includes a mounting plate 5a, a sliding plate 5b, a forming drum body 6, a rotary drive unit 6a, and a drum moving mechanism 7. The forming drum body 6 and the rotary drive unit 6a are arranged on the sliding plate 5b, which is arranged on the mounting plate 5a. The sliding plate 5b is engaged with, for example, a groove formed on the mounting plate 5a and extending in the drum width direction. The drum moving mechanism 7 is arranged on the mounting plate 5a.

[0019] The drum moving mechanism 7 moves the forming drum body 6 in the drum width direction in the upper structure 4. In this embodiment, when the slide plate 5b is moved in the drum width direction relative to the mounting plate 5a by the drum moving mechanism 7, the forming drum body 6 and the rotary drive unit 6a move in the drum width direction. As the drum moving mechanism 7, various known mechanisms such as a fluid cylinder or a rod that moves back and forth by a servo motor can be used. The drum moving mechanism 7 is a separate mechanism from the slide moving mechanism 8.

[0020] The vertical movement mechanism 9 moves the upper structure 4 up and down relative to the base 3. As the vertical movement mechanism 9, various known mechanisms such as a fluid cylinder or a rod moved forward and backward by a servo motor can be used. In this embodiment, the vertical movement mechanism 9 is interposed between the base 3 and the mounting plate 5a. When the vertical movement mechanism 9 moves the upper structure 4 up and down relative to the base 3, the forming drum body 6 moves up and down.

[0021] The sensors 11 are installed above the respective conveyors 10a, 10b. The sensors 11 detect the presence and position of the tire materials M1, M2 placed on the conveyors 10a, 10b. As the sensors 11, various known non-contact type detection sensors can be used. The sensors 11 can be arranged in a plurality of spaces in the width direction (X direction) of the respective tire materials M1, M2, or in the supply direction (Y direction) with spaces therebetween. Detection data by the sensors 11 is sequentially input to the control unit 12. This detection data includes the width direction positions of the tire materials M1, M2 on the conveyor 10.

[0022] The control unit 12 performs calculation processing using input data, stored data, etc., and controls various components of the manufacturing apparatus 1. As the control unit 12, various known computers can be used.

[0023] Next, an example of a procedure for manufacturing a cylindrical tire member M using this manufacturing apparatus 1 will be described.

[0024] In this manufacturing apparatus 1, tire materials M1, M2 are supplied in a flat state to the building drum body 6 and wound thereon by a plurality of conveyors 10a, 10b arranged in parallel in the drum width direction relative to the building drum body 6. When each tire material M1, M2 is supplied, the building drum body 6 is moved and set near the tip end (winding positions P1, P2) of the conveyors 10a, 10b that supply the tire materials M1, M2.

[0025] First, as illustrated in Fig. 4 and Fig. 5, the forming drum body 6 is moved and set at a winding position P1 near the front end of a conveyor 10a that supplies tire material M1 to the forming drum body 6. To this end, as illustrated in Fig. 4, the sliding movement mechanism 8 moves the drum unit 2 as a whole in the drum width direction to align it with the winding position P1 (X-direction position). Also, as illustrated in Fig. 5, the vertical movement mechanism 9 moves the upper structure 4 in the vertical direction to align it with the winding position P1 (Z-direction position). The winding position P1 is an appropriate position that allows the tire material M1 to be smoothly transferred from the conveyor 10a to the forming drum body 6.

[0026] The position (X-direction, Y-direction, and Z-direction positions) of the front end of the conveyor 10a is preset, and the Y-direction position of the forming drum body 6 is also preset. Therefore, a pre-test is conducted in which the tire material M1 is transferred from the conveyor 10a to the forming drum body 6 while varying the position (X-direction and Z-direction positions) of the forming drum body 6, and the winding position P1 is determined in advance. Similarly, the winding position P2 is determined for the other conveyor 10b.

[0027] By determining the winding position P1 in advance in this way, when the tire material M1 is supplied to the forming drum body 6, the sliding movement mechanism 8 is used to adjust the drum width direction position of the forming drum body 6, and the vertical movement mechanism 9 is used to adjust the vertical position of the forming drum body 6 to set the forming drum body 6 at the winding position P1. Specifically, to set the forming drum body 6 at the winding position P1, the control unit 12 controls the sliding movement mechanism 8 to adjust the drum width direction position of the forming drum body 6 based on the drum width direction position of the tip of the conveyor 10a that supplies the tire material M1. In addition, the control unit 12 controls the vertical movement mechanism 9 to adjust the vertical position of the forming drum body 6 based on the vertical position of the tip of the conveyor 10a. By controlling in this way, the forming drum body 6 can be automatically set at the winding position P1. In order to more quickly set up the forming drum 6 at the winding position P1, it is advisable to move the forming drum body 6 (drum unit 2) in the drum width direction toward the winding position P1 using the slide movement mechanism 8 while moving the forming drum body 6 vertically using the vertical movement mechanism 9 to align it with the height position of the winding position P1.

[0028] 6, the building drum body 6 is rotated about the drum axis C at the winding position P1 to wind the tire material M1 supplied by the conveyor 10a. Since the tire material M1 placed on the conveyor 10a meanders in the drum width direction to some extent, the building drum body 6 is moved in the drum width direction by the drum moving mechanism 7 to correct the variation in the drum width direction position of the tire material M1 to be wound around the building drum body 6 (degree of meandering).

[0029] In this embodiment, the tire material M1 laid flat on the conveyor 10a is detected by the sensor 11, and the width direction position data of the tire material M1 detected by the sensor 11 is sequentially input to the control unit 12. The control unit 12 compares the input width direction position data of the tire material M1 with a stored reference value for the width direction position data of the tire material M1, and controls the drum movement mechanism 7 to move the forming drum body 6 in the drum width direction so as to reduce the difference between the two. This reference value is data indicating the width direction position of the tire material M1 when there is no meandering of the tire material M1. That is, the tire material M1 is wound around the forming drum body 6 while adjusting the drum width direction position of the forming drum body 6 so as not to wind the tire material M1 in a meandering state. That is, the tire material M1 is wound while being centered so that the width direction center position of the tire material M1 and the width direction center position of the forming drum body 6 coincide with each other. As a result, the forming drum body 6 produces a tire member M by forming the tire material M1 into a cylindrical shape.

[0030] Next, as illustrated in Fig. 7 and Fig. 8, in order to manufacture a cylindrical tire component M from tire material M2 supplied from the other conveyor 10b, the forming drum body 6 is moved to a winding position P2 near the front end of the other conveyor 10b. The procedure for installing the forming drum body 6 at the winding position P2 is the same as the procedure for installing it at the winding position P1 described above. That is, as illustrated in Fig. 7, the drum unit 2 is moved as a unit in the drum width direction by the sliding movement mechanism 8. Also, as illustrated in Fig. 8, the upper structure part 4 is moved in the vertical direction by the vertical movement mechanism 9.

[0031] 9, the tire material M2 supplied by the conveyor 10b is wound around the building drum body 6 while rotating the building drum body 6 about the drum axis C at the winding position P2. The tire material M2 placed on the conveyor 10b meanders in the drum width direction to some extent. Therefore, the building drum body 6 is moved in the drum width direction by the drum moving mechanism 7 in the same procedure as in the case of the tire material M1 described above, thereby correcting the variation in the drum width direction position (degree of meandering) of the tire material M2 wound around the building drum body 6.

[0032] Since a cylindrical tire component M has already been manufactured and wound around the building drum body 6, at the winding position P2, the tire material M2 is wound around the outer circumferential surface of this tire component M. Therefore, at the winding position P2, the tire component M formed into a cylindrical shape using the tire material M2 is manufactured in a state in which it is stacked on the tire component M that has already been manufactured on the building drum body 6.

[0033] As described above, in this manufacturing apparatus 1, the sliding mechanism 8 and the vertical movement mechanism 9 can be used to accurately move the forming drum body 6 to appropriate winding positions P1, P2 where the tire materials M1, M2 can be smoothly transferred from the respective conveyors 10a, 10b. Accordingly, it is not necessary to excessively slow down the speed at which the tire materials M1, M2 are transferred to the forming drum body 6, which is advantageous for rapid transfer without misalignment.

[0034] At the winding positions P1 and P2, the forming drum body 6 is moved in the drum width direction by the drum movement mechanism 7, so that the tire materials M1 and M2 can be wound around the forming drum body 6 while correcting variations in the drum width direction position. The drum movement mechanism 7 moves not the drum unit 2 but the forming drum body 6, which is a component of the drum unit 2 (in this embodiment, only the forming drum body 6, the rotation drive unit 6a and the slide plate 5b). The forming drum body 6 and its accessories are lighter and smaller than the drum unit 2, which is advantageous for quickly moving the forming drum body 6 to a desired drum width direction position.

[0035] That is, the forming drum body 6 can be moved instantly and responsively to one side and the other side in the drum width direction so as to correct the variation in the positions of the wound tire materials M1, M2 in the width direction. When the weight is large, such as the drum unit 2, the inertial force is large and it is not possible to move it quickly in the width direction, but in this embodiment, such a problem does not occur. Accordingly, the tire materials M1, M2 can be accurately positioned in the drum width direction without slowing down the winding speed (drum rotation speed) of the tire materials M1, M2. As a result, in the forming drum body 6, the tire materials M1, M2 can be formed into a cylindrical shape while suppressing the variation in the drum width direction, which is advantageous for manufacturing a high-quality cylindrical tire component M with good productivity. In addition, when the tire components M are stacked together as in this embodiment, the stacking misalignment of the tire components M in the drum width direction can be suppressed, which is advantageous for obtaining a stack of cylindrical tire components with excellent quality.

[0036] In FIG. 1, the conveyor 10a is disposed at one of two positions separated in the width direction, and the conveyor 10b is disposed at the other position. However, the conveyors 10a and 10b disposed at each position are not limited to one, and may be disposed in a vertical arrangement of a plurality of conveyors (for example, two to four conveyors). When a plurality of conveyors 10a are disposed in a vertical arrangement at one position, a plurality of tire materials M1 are sequentially and continuously supplied to the forming drum body 6 by each of the vertically arranged conveyors 10a, and each of the tire materials M1 is formed into a cylindrical shape and stacked. As in the above-described embodiment, the forming drum body 6 is moved in the width direction relative to each of the conveyors 10a fixed at a predetermined position, so that the tire material M1 sequentially and continuously supplied is wound while being positioned at the reference position Px in the width direction of the forming drum body 6 with the meandering suppressed (in other words, while the width direction position data of the tire material M1 inputted to the control unit 12 is made to coincide with the reference value for the width direction position data of the tire material M1 stored). That is, when each of the multiple tire materials M1 supplied sequentially is centered and wound around the building drum body 6, the position of each of the conveyors 10a arranged in a vertical row is fixed, so that each tire material M1 can be continuously supplied to the building drum body 6 through each conveyor 10a.

[0037] On the other hand, in a system in which the forming drum 6 is fixed at a predetermined position and the conveyor 10a immediately before the forming drum 6 is moved in the width direction to center and wind each tire material M1 supplied sequentially around the forming drum 6, the tire material M1 cannot be transferred from the rear conveyor 10a to the conveyor 10a immediately before the forming drum 6 while the conveyor 10a immediately before the forming drum 6 is moving in the width direction. As a result, the supply of the tire material M1 to the forming drum 6 is delayed, and an extra waiting time occurs until the centering process by the immediately preceding conveyor 10a is completed. This leads to a decrease in productivity of the cylindrical tire member M. Therefore, as described above, in the method of winding the tire material M1 supplied successively and continuously while positioning it at the reference position Px in the width direction of the forming drum body 6 by moving the forming drum body 6 in the width direction relative to each conveyor 10a fixed at a predetermined position, unnecessary waiting time until each tire material M1 is supplied to the forming drum body 6 is suppressed, which is advantageous for improving the productivity of the cylindrical tire component M. The same applies when multiple conveyors 10b are arranged vertically at the other position, and the method of moving the forming drum body 6 in the width direction relative to the conveyors 10b fixed at a predetermined position and arranged vertically to center and wind each of the multiple tire materials M2 supplied successively on the forming drum body 6 is advantageous for improving the productivity of the cylindrical tire component M.

[0038] In the embodiment, the leading ends of the conveyors 10a and 10b are set above the forming drum body 6, but they can also be set below. The leading end of one conveyor 10a can be set above the forming drum body 6, and the leading end of the other conveyor 10b can be set below the forming drum body 6. The number of conveyors 10a and 10b is not limited to two, but can be three or more. In the embodiment, each conveyor 10a and 10b is arranged only on one side of the forming drum body 6 in the front-rear direction (Y direction), but they can also be arranged on both sides. That is, in FIG. 1, the conveyors 10a and 10b are installed to extend to the upper area of ​​the forming drum body 6, but one or more conveyors extending to the lower area can also be added and installed.

[0039] The forming drum body 6 is not limited to various commonly known forming drums, and may be, for example, a so-called rigid core having an outer surface substantially the same as the inner surface of the tire T to be manufactured. [Explanation of symbols]

[0040] 1 Manufacturing equipment 2 Drum unit 2a Guide rail 3 Base 4 Superstructure 5a Mounting plate 5b Slide plate 6. Forming drum body 6a Rotation drive unit 7 Drum movement mechanism 8 Slide movement mechanism 9. Up-down movement mechanism 10(10a, 10b) Conveyor 11 Sensors 12 Control section M1, M2 Strip of tire material M Tire parts

Claims

1. The tire manufacturing method includes: a conveyor that supplies a band-shaped tire material in a flat state; and a forming drum body on which the tire material supplied by the conveyor is wound and formed into a cylindrical shape, In a manufacturing apparatus for a cylindrical tire member, a plurality of the conveyors are arranged in parallel in a drum width direction, the apparatus comprising a slide movement mechanism for sliding the forming drum body in the drum width direction, and a vertical movement mechanism for vertically moving the forming drum body, an upper structure including the forming drum body is disposed on a base, and the base and the upper structure are connected by the vertical movement mechanism; The sliding mechanism moves the drum unit including the base portion, the upper structure portion, and the vertical movement mechanism in a width direction of the drum as a whole. The upper structure portion has a drum moving mechanism that moves the forming drum body in the drum width direction, and the drum moving mechanism is installed as a mechanism separate from the slide moving mechanism.

2. 2. The manufacturing apparatus for cylindrical tire components according to claim 1, further comprising: a sensor for detecting the tire material laid flat on the conveyor; and a control unit to which width direction position data of the tire material detected by the sensor is input, and the control unit controls the drum moving mechanism based on the width direction position data, thereby adjusting the drum width direction position of the forming drum body while winding the tire material around the forming drum body.

3. 3. The manufacturing apparatus for cylindrical tire components as described in claim 1 or 2, wherein when the tire material is supplied from the conveyor, the sliding movement mechanism is controlled based on the drum width direction position of the tip of the conveyor to adjust the drum width direction position of the forming drum body, and the vertical movement mechanism is controlled based on the vertical position of the tip of the conveyor to adjust the vertical position of the forming drum body, so that the forming drum body is installed at a winding position near the front end of the conveyor.

4. A method for manufacturing a cylindrical tire component, comprising the steps of: a plurality of conveyors are arranged in parallel with a forming drum body in a drum width direction; when a band-shaped tire material supplied in a flat state by each of the conveyors is wound around the forming drum body to form a cylindrical shape, the forming drum body is moved to a winding position near a front end of the conveyor that supplies the tire material to the forming drum body using a slide movement mechanism that moves the forming drum body in the drum width direction and a vertical movement mechanism that moves it up and down; and then winding the tire material supplied by the conveyor around the forming drum body at the winding position, the method comprising the steps of: An upper structure including the forming drum body is disposed on a base part, and the base part and the upper structure part are connected by a vertical movement mechanism, and the upper structure part has a drum movement mechanism that moves the forming drum body in a drum width direction separately from the slide movement mechanism, The sliding movement mechanism moves a drum unit including the base portion, the upper structure portion, and the vertical movement mechanism as a whole in the drum width direction, and the vertical movement mechanism moves the upper structure portion in the vertical direction to move the forming drum body to the winding position; A manufacturing method for a cylindrical tire component in which the tire material is wound around the forming drum body while correcting variations in the drum width direction position of the tire material to be wound around the forming drum body by moving the forming drum body in the drum width direction at the winding position using the drum moving mechanism.

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