JPH0839696A - Tire molding device - Google Patents

Abstract

PURPOSE:To reduce a moving distance of a worker by bringing both drums of a band and belt near to each other, by a method wherein a shaping drum is provided to a position separated from a middle point of both drums of the band and belt, and both conveying machines for the band and belt are provided on a truck between both drums of the band and belt through a rotary table. CONSTITUTION:Servicers 22, 23, 24 each for a side wall, inner liner and ply are juxtaposed respectively on one side of a band drum 12 and servicers 25, 26, 27 each for the first belt, second belt and tread are juxtaposed respectively on one side of a belt drum 14. A shaping molding machine 28 provided with a shaping drum 29 is provided on the center line 20 meeting at right angles with a common axis 10 at the middle point P. Then this tire molding device is provided with a truck provided with a band conveying machine 19 and belt conveying machine 21 through a rotary table 15 and a band molding machine 11 provided with the band drum 12 and a belt molding machine 13 provided with the belt drum 14 are arranged on the tire molding device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire forming apparatus including a band drum, a belt drum and a shaping drum for an automobile tire.

[0002]

2. Description of the Related Art A power unit for supporting / driving a band drum, a band drum, a shaping drum, a belt drum, and a power unit for supporting and driving both the shaping drum and the belt drum are mounted on a center base as an automobile tire molding apparatus. A band conveyor is installed between the band drum and the shaping drum to convey the band molded by the band drum to the shaping drum, and is formed on the belt drum between the shaping drum and the belt drum. Belt
It is known that a belt transporter for transporting the tread laminated body to the shaping drum is arranged (Japanese Patent Laid-Open No. Hei 2).
-107432 gazette).

[0003]

When a ply or the like is stuck endlessly on a band drum, or when a belt or the like is stuck endlessly on a belt drum, the joint portion of the belt-shaped member such as the ply or the belt. Although various types of sensors necessary for checking the above have been developed, these sensors are still expensive, and therefore the above checks still have many parts that rely on the individual sense of the worker. However, in the above-mentioned known device, since the band drum and the belt drum are separated by the shaping drum between them, the walking distance of the worker becomes long, it takes time to move between them, and workability is low. It was bad. Further, since the axial length (overhang) of the shaping drum becomes long, there is a problem in maintaining accuracy.

This invention pays attention to the fact that the shaping drum is fully automated. The shaping drum is arranged relatively far, and the band drum and the belt drum, which are difficult to be fully automated, are brought close to each other, so that The moving distance is shortened to improve workability, the time required for molding is shortened, and the axial length of the shaping drum is shortened to easily maintain accuracy.

[0005]

A tire forming apparatus of the present invention is a tire forming apparatus including a band drum, a belt drum and a shaping drum, wherein the band drum and the belt drum are individually provided along a common axis. Arranged so as to be able to move forward and backward, the side wall, the inner liner and the ply servicer for the side wall of the band drum, and the belt and the tread servicer for the side of the belt drum. A shaping drum is provided at a position distant from the intermediate point on the center line orthogonal to the common axis passing through the intermediate points of the band drum and the belt drum, and the carriage can be moved back and forth between the shaping drum and the intermediate point. A band carrier and a belt carrier are installed side by side on this trolley via a rotary table. It is characterized in.

In the apparatus of the present invention, there are various modes for arranging the servicer required for molding on the band drum and the servicer required for molding on the belt drum, but in the first mode, for the sidewalls. , One set of servicer for inner liner and ply is divided into two,
One of them is arranged on one side of the band drum, the other is arranged on the opposite side of the band drum, and one set of the servicer for the belt and the tread is divided into two, one of which is on one side of the belt drum and the other is the belt. Located on opposite sides of the drum.

In the second aspect, one of the servicers for sidewall, inner liner and ply is used.
One set of the band drum is arranged on one side of the band drum, and one set of the belt and tread servicers is arranged on one side of the belt drum.

[0008]

[Function] The side wall from the servicer for the side wall, the inner liner from the servicer for the inner liner, the ply from the servicer for the ply, and the ply are sequentially drawn out, supplied to the band drum, and attached to form a band. Further, the belt is drawn out from the belt servicer and the tread is drawn out from the tread servicer in order, supplied to the belt drum, and attached to form a belt / tread laminate. Then, the rotary table on the carriage located at the midpoint is rotated to direct the band carrier to the band drum and the belt carrier to the belt drum, and the band drum is moved to the position of the band carrier to move the band drum. The upper band is transferred to the band conveyor, the belt drum is moved to the position of the belt conveyor, and the belt / tread laminate on the belt drum is transferred to the belt conveyor.

Next, the rotary table on the carriage is moved to 90
The belt conveyor is turned toward the shaping drum, the carriage is moved, the band conveyor on the carriage is positioned on the shaping drum, and the band of the band conveyor is transferred to the shaping drum. Next, the carriage is slightly retracted, the belt conveyor on the carriage is positioned on the shaping drum, the band on the shaping drum is deformed into a toroidal shape, and the belt is conveyed to the primary case obtained by deforming this toroidal shape. Transfer the machine's belt and tread stack. Then, after retracting the above bogie to the midpoint side, the belt / tread laminate is attached to the above band with the stitcher attached to the shaping drum to form a green tire, and then the bogie is advanced again. Position the belt conveyor on the shaping drum, transfer the green tire on the shaping drum to the belt conveyor, retract the carriage to the midpoint, and then rotate the rotary table 180 degrees to remove the green tire. Then, the rotary table is rotated by 90 degrees and the band carrier is directed toward the band drum.

[0010] One of the band drum side servicers
The set is divided into two, one is arranged on one side of the band drum and the other is arranged on the opposite side, and one set of the belt drum side servicer is divided into two, one of which is arranged on one side of the belt drum and the other of which is formed on the other side. If you place each on the opposite side,
The forward and backward movement distances of the band drum and the belt drum are shortened. In addition, one set of the band drum servicer is provided on one side of the band drum, and one set of the belt drum servicer is provided.
When the groups are arranged on one side of the belt drum,
Another set of band drums, belt drums and various servicers can be arranged on the opposite side of the common axis of the band drums and belt drums. That is, it is possible to reduce the molding work in the case where two molding apparatuses are arranged so as to face each other and one worker takes charge of the two molding apparatuses, and the installation area per two machines can be saved.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of the first mode, in which a band forming machine 11 supports a right side band drum 12 in a cantilevered manner and moves back and forth along a common axis 10 in the left-right direction. The belt forming machine 13 located at the right end of the common axis 10 supports the left belt drum 14 in a cantilevered manner and moves back and forth along the common axis 10. The rotary table 1 located at the midpoint P between the band forming machine 11 and the belt forming machine 13.
5 is orthogonal to the above-mentioned common axis line 10 and is below a center line 20 having the same height (paper spine side in the figure), and on a self-propelled carriage 16 (see FIG. 2) that advances and retreats in parallel with the center line 20. It is provided in.

As shown in FIG. 2, the carriage 16 is driven by a rail 17 which is parallel to the center line 20 and is driven.
8, the band carrier 19 and the belt carrier 21 on the upper right are aligned with the common axis 10 described above, and when the rotary table 15 is rotated 90 degrees, the axis is aligned with the center line 20. It is provided to match. Then, the band carrier 19 and the belt carrier 21 described above.
Has a plurality of gripping pieces (not shown) that respectively advance and retreat in a radial direction with respect to the axis, and the gripping pieces of the band transporter 19 form a band composed of a sidewall, an inner liner and a ply on the band drum 12. Further, the gripping pieces of the belt conveyor 21 respectively hold the belt on the belt drum 14 and the belt / tread laminated body including the tread.

In FIG. 1, the side wall servicer 22 and the inner liner servicer 23 are parallel to the center line 20 and the side wall servicer 22 is on the left side on one side (upper side in FIG. 1) of the band drum 12. The ply servicer 24 is provided on the opposite side (downward in FIG. 1) of the band drum 12 so as to face the sidewall servicer 22. A first belt servicer 25 and a second belt servicer 26 are provided on one side (upper side in FIG. 1) of the belt drum 14 in parallel with the center line 20 and at the first side.
The belt servicer 25 is provided on the left side, and the tread servicer 27 is provided on the opposite side of the belt drum 14 (downward in FIG. 1) to the second belt servicer 2 described above.
It is provided so as to face 6.

A shaping machine 28 is provided along the center line 20 between the inner liner servicer 23 on the left side and the first belt servicer 25 on the right side. The shaping machine 28 is provided with a shaping drum 29 on the common axis 10 side (lower side in FIG. 1) in a cantilever manner. A stitcher 30 is provided on the left side of the shaping drum 29.

In the above structure, the band drum 12,
When the belt drum 14, the band carrier 19 and the belt carrier 21 are in the positions shown in the drawing, respectively, the band drum 12 moves to the left and the sidewall servicer 22 is moved.
After stopping in front of this side wall servicer 2
The side wall is supplied from 2 and attached to the surface of the band drum 12. When the application is completed, the band drum 12 moves to the right and stops in front of the innerliner servicer 23, and then the innerliner is supplied and applied on the sidewall. After the inner liner is applied, the band drum 12 moves to the right and stops in front of the ply servicer 24, and then the ply is supplied and applied to the inner liner to form a band. .

During this time, the right belt drum 14 moves in front of the left first belt servicer 25, and the first belt is supplied to and pasted on the belt drum 14.
After this application is completed, the belt drum 14 is placed on the right side of the second
Move to the front of the belt servicer 26 (position shown),
The second belt is supplied and attached onto the first belt. Then, the tread is supplied from the tread servicer 27, and the tread is attached to the second belt,
A tread stack is formed.

When the band is formed on the band drum 12 and the belt / tread laminate is formed on the belt drum 14 as described above, the band drum 12 moves to the band conveyor 19 on the right side, and the band drum 12 is moved. The upper band is transferred to the band carrier 19. Meanwhile, the belt drum 14
Moves to the belt conveyor 21 on the left side, and the belt drum 14
The upper belt / tread laminate is transferred to the belt conveyor 21. And when this transfer is over, turntable 1
5 rotates 90 degrees counterclockwise, and the belt conveyor 21 is directed toward the shaping drum 29, as indicated by the chain line.

Then, when the carriage 16 (see FIG. 2) is driven to move toward the shaping drum 29, the belt conveyor 21 passes over the shaping drum 29, and the band conveyor 19 overlaps with the shaping drum 29,
The carriage 16 is stopped, the band of the band forming machine 19 is transferred to the shaping drum 29, and then the carriage 1 is used.
6 is slightly retracted so that the belt conveyor 21 is placed on the shaping drum 29, and then the shaping drum 29
The upper band is deformed into a toroidal shape, and the belt / tread stack of the belt conveyor 21 is transferred to this band. Then, after the carriage 16 is retracted to the intermediate point P, the stitcher 30 is driven, the belt / tread laminate is attached to the toroidal band, and the green tire is formed. Then, the carriage 16 moves forward again. , The above green tire is moved from the shaping drum 29 to the carriage 16
After the carriage 16 is transferred to the upper belt conveyor 21 and the carriage 16 moves back to the intermediate point P, the rotary table 15 moves clockwise 18
It rotates 0 degrees and the belt conveyor 21 is on the opposite side (lower side in Fig. 1).
And the green tire is taken out.

FIG. 3 shows an example in which two sets of the tire forming apparatus of the second aspect are installed side by side. One (the upper side in the figure) of the tire forming device is configured to move the band drum 12 along the one common axis 10.
1 including a band forming machine 11 provided with a band carrier 19 and a belt carrier 21 via a rotary table 15.
6, and a belt forming machine 13 including a belt drum 14
And a side wall servicer 22, an inner liner servicer 23, and a ply servicer 24 on one side (the upper side in the drawing) of the band drum 12, and a first belt servicer 2 on one side of the belt drum 14.
5, a second belt servicer 26 and a tread servicer 27 are arranged side by side, and a shaping machine 28 having a shaping drum 29 is provided on a center line 20 orthogonal to the common axis 10 at an intermediate point P, and its side is provided. The stitcher 30 is provided in the structure. Then, the other (bottom side of the drawing) tire forming apparatus is configured symmetrically with the one forming apparatus.

In the one tire forming apparatus, the band drum 12 includes the sidewall servicer 22, the innerliner servicer 23, and the ply servicer 2.
By moving in front of 4, the side wall, the inner liner, and the plies are sequentially attached to form a band, and the belt drum 14 includes the first belt servicer 25, the second belt servicer 26, and the tread servicer 27. By sequentially moving in front of, the first belt, the second belt and the tread are attached in order to form a belt / tread laminate. Then, after that, the band and the belt / tread laminate are conveyed to the shaping drum 29 in the same manner as in the embodiment of FIG. 1, and the green tire is molded. Similarly, in the other tire building apparatus, the other band drum 12 is also used.
Then, the band is molded by the belt drum 14, and the belt / tread laminate is molded by the belt drum 14, and these are conveyed to the other shaping drum 29 to mold the green tire. Then, the obtained green tire is transferred to and carried out from the belt conveyor and taken out in an arbitrary direction. Note that one or both of the two common axes 10 may be extended, and another molding device may be arranged in the extended portion.

[0021]

According to the first aspect of the present invention, a band drum for band forming and a belt drum for belt forming, which require the operator's judgment work, are provided so as to be movable back and forth along a common axis line. A shaping drum that can be automated is provided at a position apart from the intermediate point on the center line orthogonal to the common axis passing through the intermediate points of the band drum and the belt drum, and a dolly is provided between the band drum and the belt drum. Since the band carrier and the belt carrier are installed on the trolley via the rotary table, the distance between the band drum and the belt drum is shortened as compared with the case where the shaping drum is arranged between them. , Band forming work and belt forming work by an operator become easy. The carriage is provided between the band drum and the belt drum, and the carriage can be moved along the center line.Therefore, the band, the belt / tread laminate, and the green tire are not attached to or removed from the shaping drum. It can be done without any problems. Further, the shaft length of the shaping drum is shorter than that in the case where both the shaping drum and the belt drum are supported and driven by a common power unit, and the accuracy can be maintained easily. Further, when the servicers are arranged in a plane as in the embodiment, the visibility from the operator is significantly improved as compared with the case where the servicers are arranged three-dimensionally.

According to the invention described in claim 2, in the invention described in claim 1, one set of the servicer for the sidewall, the inner liner and the ply is divided into two parts, and one of them is provided on one side of the band drum. , The other is arranged on the opposite side of the band drum, and one set of belt and tread servicers is divided into two, one of which is arranged on one side of the belt drum and the other on the opposite side of the belt drum. Therefore, the advance / retreat distances of the band drum and the belt drum are shortened, the moving distance of the worker is shortened accordingly, and the time required for molding is shortened.

According to the invention described in claim 3, in the invention described in claim 1, one set of the servicer for the sidewall, the inner liner and the ply is arranged on one side of the band drum, and Also, one set of servicer for tread is arranged on one side of the belt drum, and a space on the opposite side of the common axis serves as a space for another set of band drum, belt drum, shaping drum and various types. It is possible to arrange symmetrically the belt forming device consisting of the servicer, to save the installation area per two tire forming devices, and to arrange the two band drums and belt drums close to each other.
In that case, it becomes possible for one operator to operate the two tire forming devices. Further, even when three or more tire forming apparatuses are operated by one worker, the same effect as above can be obtained by arranging the three or more tire forming apparatuses in two rows along the two common axes. Is obtained.

[Brief description of drawings]

FIG. 1 is a plan view of a first embodiment of the present invention.

FIG. 2 is a front view of the cart.

FIG. 3 is a plan view of the second embodiment.

[Explanation of symbols]

 10: Common Axis 11: Band Forming Machine 12: Band Drum 13: Belt Forming Machine 14: Belt Drum 15: Rotary Table 16: Carriage 17: Rail 18: Support 19: Band Conveyor 20: Center Line 21: Belt Conveyor 22: Side wall servicer 23: Inner liner servicer 24: Ply servicer 25: First belt servicer 26: Second belt servicer 27: Tread servicer 28: Shaping molding machine 29: Shaping drum 30: Stitcher

Claims (3)

[Claims] 1. A tire forming apparatus including a band drum, a belt drum, and a shaping drum, wherein the band drum and the belt drum are arranged so as to individually move back and forth along a common axis, and the band drum The side wall, the inner liner, and the ply servicer are arranged on the side, the belt and tread servicers are arranged on the side of the belt drum, and the band drum and the belt drum are passed through the midpoint and A shaping drum is provided at a position apart from the intermediate point on the center line orthogonal to the common axis, and a carriage is provided between the shaping drum and the intermediate point so that the carriage can move forward and backward, and a band is mounted on the carriage via a rotary table. A tire forming apparatus comprising a conveyor and a belt conveyor arranged in parallel. 2. A set of servicers for sidewalls, inner liners and plies is divided into two parts, one of which is arranged on one side of the band drum and the other on the opposite side of the band drum. Servicer for
The tire building apparatus according to claim 1, wherein the set is divided into two, one of which is arranged on one side of the belt drum and the other of which is arranged on the opposite side of the belt drum. 3. One set of servicer for sidewall, inner liner and ply is arranged on one side of the band drum, and one set of servicer for belt and tread is arranged on one side of the belt drum. Item 1. The tire molding apparatus according to item 1.