JP2001322186A - Method and equipment for manufacturing sheetlike member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and equipment for manufacturing a sheetlike member which improve the laminating precision of the sheetlike member and operability and shorten a time for winding on a drum per one tire, thus enabling improvement of productivity. SOLUTION: A beltlike material W carried by a carrying conveyor 3 is cut in a specified width h by a cutting device 2 and transferred by a transfer device 7 onto a laminating conveyor 5 provided in the direction of intersecting the carrying conveyor 3 perpendicularly. An integral number of strip members Wa are laminated by a positioning-laminating device 8 and thereby the sheetlike member Wx for one tire is formed. The formed sheetlike member Wx is transferred under the center of a forming machine drum 4 and the fore end part of the sheetlike member Wx is brought into pressure contact with the lower surface of the forming machine drum 4 by raising the fore end side of the laminating conveyor 5 by an elevating means. The sheetlike members Wx are stuck, while the length thereof is regulated finely with the feeding speed V of the laminating conveyor 5 and the rotational speed v of the forming machine drum 4 controlled.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for manufacturing a sheet-like member such as a carcass member used as a tire component, and more particularly, to improving the bonding accuracy of a sheet-like member, and The present invention relates to a method and an apparatus for manufacturing a sheet-like member capable of shortening a drum winding time per contact and improving productivity.

[0002]

2. Description of the Related Art Conventionally, in a method of manufacturing a carcass member used as a tire constituent member, a small-scale production system has been proposed.
A method of laminating a belt-like rubber member and knitting of a single cord are known.

As a method of manufacturing a belt-shaped rubber member, for example, as disclosed in Japanese Patent Application Laid-Open No. 4-226742, a method of laminating an integer number of strip-shaped carcass members on a molding machine drum is used. .

[0004]

However, the conventional method for producing a belt-shaped rubber member has a problem in that a strip-shaped carcass member is stuck on a curved surface of a molding machine drum.
There is a problem that the lamination accuracy and workability are poor, and the length correction is serious, which deteriorates the efficiency of the molding machine drum.

[0005] It is an object of the present invention to bond a strip of band-shaped material on a laminating conveyor so as to have a drum circumference, and to feed and stick the sheet-like member to a molding machine drum. It is an object of the present invention to provide a method and an apparatus for manufacturing a sheet-like member capable of improving lamination accuracy and workability, and shortening a drum winding time per tire to improve productivity.

[0006]

In order to achieve the above object, the present invention provides a first method for manufacturing a sheet-like member, which comprises cutting a strip-shaped material conveyed by a conveyor to a specified width. The cut strip members are sequentially transferred onto a bonding conveyor arranged in a direction orthogonal to the conveyor, and an integer number of strip members are bonded to form a sheet-shaped member for one tire. The sheet-like member is conveyed to the forming machine drum side, and at least one of the laminating conveyor or the forming machine drum is moved so that the leading end of the sheet-like member is pressed against the forming machine drum. The gist of the invention is to attach the sheet-like member while controlling the rotation speed of the drum.

[0007] A sheet-like member manufacturing apparatus for carrying out the above-mentioned sheet-like member manufacturing method includes a conveying conveyor provided with a cutting device for cutting a band-shaped material to a specified width, and a conveying conveyor provided at a discharge end side of the conveying conveyor. A belt-like material cut perpendicularly to the conveying conveyor and to a crossing portion between the conveying conveyor and the laminating conveyor, the band-shaped material being cut by the cutting device. A transfer device is provided to hold the strip members and transfer them onto a laminating conveyor in an orthogonal direction, and laminating an integer number of the strip members on the laminating conveyor to form a sheet-shaped member for one tire. The gist of the present invention is to provide a positioning and bonding device for performing the above.

In a second method of manufacturing a sheet-like member according to the present invention, a width of a band-like material conveyed by a conveyor is measured, and a plurality of strip members obtained by cutting the band-like material into a specified width are formed. The sheets are sequentially transferred onto a laminating conveyor arranged in a direction perpendicular to the conveying conveyor, and are laminated while being adjusted to become a sheet member for one tire, and the sheet member is conveyed to the forming machine drum side. At the same time, at least one of the laminating conveyor or the molding machine drum is moved so that the leading end of the sheet-like member is pressed against the molding machine drum, and the sheet-like member to be conveyed from the laminating conveyor is rotated and the molding machine drum is attached. The gist is that.

Further, a sheet-like member manufacturing apparatus for carrying out the second sheet-like member manufacturing method includes a measuring means for measuring the width of the band-like material, a cutting device for cutting the band-like material to a specified width. And a laminating conveyor provided at the discharge end side of the conveyor, orthogonal to the conveyor and having a forming machine drum provided at an upper portion on the tip side thereof, where the conveyor and the laminating conveyor intersect. In the part, provided a transfer device that holds the strip members of the band-shaped material cut by the cutting device and transfers the strip members to a bonding conveyor in an orthogonal direction, and an integer number of strip members on the bonding conveyor. The gist of the invention is to provide a positioning laminating device for laminating a sheet-shaped member for one tire.

According to the present invention, the strip-shaped material conveyed by the conveyor is cut to a specified width of the drum of the tire forming machine, and the cut strip is oriented in a direction perpendicular to the conveyor. Are sequentially transferred onto the laminating conveyor provided in the laminating machine, and an integer number of strip members are laminated to form a sheet-shaped member for one tire. The sheet-shaped member is conveyed to the forming machine drum side and laminated. At least one of the laminating conveyor or the molding machine drum is moved to press the tip of the sheet-like member to the molding machine drum, and the sheet-like member is attached while controlling the feeding speed of the laminating conveyor and the rotation speed of the molding machine drum. Therefore, the lamination accuracy and workability of the sheet-like member are improved, and the time required to wind the drum per tire can be shortened to improve the productivity. .

Further, the width of the band material conveyed by the conveyor is measured, and a plurality of strip members obtained by cutting the band material to a specified width are bonded to each other in a direction perpendicular to the conveyor. The sheets are sequentially transferred onto a conveyor, and are laminated while being adjusted to become a sheet-shaped member for one tire. The sheet-shaped member is conveyed to the forming machine drum side, and at least one of the laminating conveyor or the forming machine drum is attached. By moving and pressing the leading end of the sheet-like member to the forming machine drum and rotating the forming machine drum to paste the sheet-like member to be conveyed from the laminating conveyor, the lamination accuracy and workability of the sheet-like member are improved. It will improve.

[0012]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic plan view of a sheet-like member manufacturing apparatus for carrying out the sheet-like member manufacturing method, FIG. 2 is a front view of FIG. 1, and FIG. 3 is an enlarged sectional view of a portion A in FIG. Indicates that
The manufacturing apparatus 1 is provided with a conveyor 3 provided with a cutting device 2 for cutting the band-shaped material W to a specified width H, and a discharge end side of the conveyor 3 which is orthogonal to the conveyor 3 and has a diameter d.
And a laminating conveyor 5 that can move up and down around a fulcrum O provided at the upper end on the tip side.

The conveyor 3 and the laminating conveyor 5
And a transfer device 7 for adsorbing and holding the strip member Wa of the strip-shaped material W cut by the cutting device 2 and transferring the strip member Wa onto the bonding conveyor 5 in the orthogonal direction. On the bonding conveyor 5, an integer number of strip members W
A positioning laminating device 8 for laminating a to form a sheet-like member Wx having a length L (πd) for one tire is provided.

The transfer device 7 comprises a holding member 9 such as a suction pad for sucking and holding the strip Wa, and transfer means 10 such as a cylinder for transferring the strip member Wa to a predetermined position. A stopper 11 for positioning the transported strip members Wa, and a bonding means 12 such as a splicer for sequentially bonding an integer number of strip members Wa.

Next, a method for manufacturing the sheet-like member Wx using the above-described apparatus will be described.

First, the belt-like material W conveyed by the conveyor 3 is cut by the cutting device 2 into the drum 4 of the tire forming machine.
Cut to the specified width H in the above, and the cut strip member Wa
Is conveyed to the leading end side of the conveyor 3, and the conveyor 3
Are transferred by a transfer means 10 such as a cylinder while being held by suction by a holding member 9 of a transfer device 7 on a bonding conveyor 5 arranged in a direction orthogonal to the direction.

Then, the strip member Wa is brought into contact with the stopper 11 of the positioning and bonding device 8 and is bonded by bonding means 12 such as a splicer. Next, the stopper 11 and the bonding means 12 are separated from the strip member Wa by The laminating conveyor 5 advances by one pitch (the upper surface dimension J of the strip member Wa shown in FIG. 3) in the arrow direction V of FIG.
Is molded.

The sheet-like member Wx thus formed is transferred to the lower center of the forming machine drum 4, and in this state, the leading end side of the laminating conveyor 5 is raised by lifting means such as a lifting cylinder (not shown) to form a sheet. The tip of the member Wx is pressed against the lower surface of the molding machine drum 4. From such a state, the feed speed V of the laminating conveyor 5 and the forming machine drum 4
Is attached while finely adjusting the length of the sheet-like member Wx while controlling the rotation speed v.

In this embodiment, the molding machine drum 4
The tip of the sheet-like member Wx was pressed against the lower surface of the sheet-like member Wx by pressing the tip side of the sheet-like member Wx. It is also possible to crimp the tip.

According to the above-described method, the laminating precision and workability of the laminating member Wx are improved by rotating the laminating drum 4 and laminating the laminating member Wx conveyed from the laminating conveyor 5. Can be done.

Further, as another embodiment of the present invention,
By providing the optical measuring means 13 for measuring the width h of the belt material W being conveyed during the conveyance of the conveyor 3, a plurality of strip members W on the laminating conveyor 5 are provided.
a. The sheet member Wx thus bonded is transferred to the forming machine drum 4 and pressure-bonded without adjusting the length of a, etc., and the sheet member Wx is stuck to the forming machine drum 4 with high accuracy. Becomes possible.

As described above, in this embodiment,
The width h of the strip material W conveyed in advance is checked, and the width h and the number of the strip members Wa with respect to the circumference of the molding machine drum 4 are calculated. It is also possible to fine-adjust the length and to synchronize the feed speed V of the laminating conveyor 5 and the rotational speed v of the forming machine drum 4 to perform lamination, and to increase the length L of the sheet-shaped member Wx for one tire. The dimensional accuracy, workability, and productivity can be improved.

[0024]

The present invention is constructed as described above, and has the following excellent effects. (a) .A strip member of a band-shaped material is stuck on a lamination conveyor so as to have a drum circumference, and the sheet-shaped member is supplied to a forming machine drum and stuck, whereby the lamination accuracy of the sheet-shaped member is improved. Workability is improved. (b) The drum winding time per tire can be shortened to improve productivity. (c) Since the sheet-like member is pasted to the molding machine drum by the transfer method, the wrap margin of the sheet-like member is controlled to be constant by the speed difference between the feeding speed of the laminating conveyor and the rotation speed of the molding machine drum. Can be done. In addition, high dimensional accuracy of the length (L) for one tire can be achieved. (d) Further, it is possible to attach a plurality of the same sheet-like members by the above-mentioned speed difference.

[Brief description of the drawings]

FIG. 1 is a schematic plan view of a sheet-like member manufacturing apparatus for carrying out a sheet-like member manufacturing method.

FIG. 2 is a front view of FIG.

FIG. 3 is an enlarged sectional view of a portion A in FIG. 2;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Manufacturing apparatus 2 Cutting apparatus 3 Conveyor 4 Molding machine drum 5 Laminating conveyor Wx Sheet-shaped member 7 Transferring apparatus 8 Positioning laminating apparatus 9 Holding member 10 Transfer means 11 Stopper 12 Laminating means 13 Optical measuring means W strip Material h Specification width o Support point X Crossover Wa Strip member

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Takayuki Shinzo 2-1 Oiwake, Hiratsuka-shi, Kanagawa F-term in Yokohama Rubber Co., Ltd. Hiratsuka Works 4F212 AA45 AD16 AG01 AH20 VA02 VA11 VA12 VD10 VD16 VK02 VL01 VL06 VL11 VM06 VM07 VP30

Claims (6)

[Claims] 1. A strip material conveyed by a conveyor is cut to a specified width, and the cut strip members are sequentially transferred onto a bonding conveyor arranged in a direction orthogonal to the conveyor. To attach an integer number of strips
A sheet-shaped member for a tire is formed, and the sheet-shaped member is conveyed to the forming machine drum side, and at least one of the laminating conveyor or the forming machine drum is moved, and the leading end of the sheet-shaped member is pressed against the forming machine drum. A method of manufacturing a sheet-like member to which a sheet-like member is adhered while controlling a feed speed of a laminating conveyor and a rotation speed of a forming machine drum. 2. A transport conveyor provided with a cutting device for cutting a band-shaped material to a specified width, and a lifting machine which is orthogonal to the transport conveyor and has a forming machine drum provided at an upper portion on a tip side at a discharge end side of the transport conveyor. And a suitable laminating conveyor.
At the intersection of the transport conveyor and the laminating conveyor, a transfer device that holds the strip member of the band-shaped material cut by the cutting device and transfers the strip member to the laminating conveyor in the orthogonal direction is provided. An apparatus for manufacturing a sheet-shaped member, comprising a positioning and bonding device for forming a sheet-shaped member for one tire by bonding an integer number of strip-shaped members on a conveyor. 3. The sheet-like member manufacturing apparatus according to claim 2, wherein the transfer device includes a holding member that sucks and holds the strip member and a transfer unit that transfers the strip member to a predetermined position. 4. The sheet according to claim 2, wherein the positioning / laminating apparatus comprises a stopper for positioning the transported strip members, and laminating means for sequentially laminating an integer number of the strip members. Manufacturing equipment for shaped members. 5. A width of a band-like material conveyed by a conveyor is measured, and a plurality of strip members obtained by cutting the band-like material to a specified width are attached in a direction orthogonal to the conveyor. The sheets are sequentially transferred onto a conveyor, and adjusted so as to become a sheet-shaped member for one tire, and then stuck together.
While conveying this sheet-like member to the molding machine drum side,
A sheet-like member to which at least one of a laminating conveyor or a molding machine drum is moved to press the tip of the sheet-like member against the molding machine drum, and that the sheet-like member to be conveyed from the lamination conveyor is rotated by rotating the molding machine drum. Manufacturing method. 6. A conveying conveyor provided with a measuring means for measuring the width of the band material, a cutting device for cutting the band material to a specified width, and a discharge end side of the conveying conveyor which is orthogonal to the conveying conveyor, and A laminating conveyor provided with a molding machine drum at the top of the tip side, and holding a strip member of the band-shaped material cut by the cutting device at an intersection of the transport conveyor and the laminating conveyor, in a direction orthogonal to the crossing direction. A sheet-like sheet comprising: a transfer device for transferring onto a laminating conveyor; and a positioning laminating device for laminating an integer number of strip members to form a sheet member for one tire on the laminating conveyor. Equipment for manufacturing components.