KR19980020200A - Method for winding inner liner for tire, and accordingly inner liner supply device and inner liner winding device - Google Patents

Abstract

The present invention relates to a method for winding an inner liner for a tire, and to an inner liner supplying device and an inner liner winding device according to the present invention, wherein the winding process is automated by using an inner liner supply device including a cutting conveyor, a transfer conveyor, and an automatic control panel. Meanwhile, the bellows cylinder and the potentiometer are installed on the conveyor and the transfer conveyor of the cutting conveyor, respectively, and the load cell, the air brake and the control unit are installed on the winding device so that the supply speed of the inner liner is kept stable and constant. It is.

Description

Method for winding inner liner for tire, and accordingly inner liner supply device and inner liner winding device

1 is a state diagram of winding the inner liner using the inner liner supply device and the inner liner winding device according to the present invention;

2 is an enlarged view of part X of FIG.

3 is a state view seen from the Y-phase of FIG.

4 is a prior art, corresponding to FIG.

* Description of the symbols for the main parts of the drawings *

One; Cutting conveyor, 2; conveyor,

2a; Beloprum cylinder, 2b; Potentiometer,

3; Cutting unit, 4; Transfer Conveyor,

4a; Veroprum cylinder, 4b; Potentiometer,

4c; Air cylinder, 4d; Moving,

5; 6, automatic control panel; First winding device,

6a; Winding drum, 6b; Liner Drum,

6c; Winding drum drive motor, 6d; Roller,

6e; Load cell, 6f; Air Brake,

6 g; Control unit; 2nd winding device,

7a; Winding drum, 7b; Liner Drum,

7c; Wound drum drive motor, 7d; Roller,

7e; Load cell, 7f; Air Brake,

7 g; Control unit 8; Liner,

9; Cooling drum, 10; Innerliner.

Detailed description of the invention

[Industrial use]

The present invention relates to a method for winding an inner liner for a tire, and an inner liner supplying device and an inner liner winding device according to the present invention. In particular, the deformation of the inner liner generated during the winding of the inner liner is suppressed to improve the quality of the product. In addition, the present invention relates to a method for winding an inner liner for a tire in which a process is automated to improve convenience, productivity and safety, and an inner liner supply device and an inner liner winding device.

Conventional Technology and Issues

As is well known, the inner liner attached to the innermost side of the tire is formed through a separate manufacturing process and then wound and supplied when the tire is molded. FIG. 4 shows the inner liner supply device and the inner liner winding device according to the prior art. It is a state diagram which winds up an inner liner using the following, and a prior art is demonstrated based on this figure.

According to FIG. 4, the liner of the first winding device 12 is manufactured from a previous process and continuously the inner liner 16 is mounted on the first conveying conveyor 11a via the main conveyor 15. Winding of the inner liner 16 to the winding drum 12a of the first winding device 12 is completed while winding up the winding drum 12a together with the liner 14 continuously supplied from the drum 12b. When the inner liner 16 continuously supplied is wound on the second winding device 13 in the same manner as described above, the inner liner 16 is continuously mounted on the second transfer conveyor 11b.

In order to sequentially explain the method of winding the inner liner according to the related art as described above, the operator manually puts the inner liner 15 continuously supplied through the main conveyor 15 onto the first transfer conveyor 11a. After the liner 14 is fixed to the outer circumferential surface of the winding drum 12a of the first winding device 12, and then the winding drum driving motor 12c is driven, the inner liner 15 and the liner 14 are wound up when the liner 14 is pulled out. It is wound up by the drum 12a.

When the winding of the winding drum 12a of the first winding device 12 is completed, the inner liner 16 continuously supplied through the main conveyor 15 is the main conveyor 15 and the transfer conveyors 11a and 11b. When the winding of the first winding device 12 is completed, the operator manually cuts this portion and then the liner 14 together with the liner 14 of the second winding device 13 when the winding of the first winding device 12 is completed. It is fixed to the outer circumferential surface of the winding drum 13a, and then the winding drum driving motor 13c is driven to wind the inner liner 15 and the liner 14 together on the winding drum 13a. The conveyors 11a and 11b are alternately made.

However, in the prior art as described above, the liner is driven by the driving force of the winding drum drive motors 12c and 13c for driving the winding drums 12a and 13a in winding the inner liner 16 to the winding devices 12 and 13. Inner liner 15 is pulled and wound together with 14, and in this case, as the inner liner 16 is wound around the winding drums 12a and 13a, the rotational radius (winding diameter) is increased to accelerate the linear velocity. As a result, the tension to pull the inner liner 16 is continuously increased, so that the thickness of the inner liner 16 is not constant, resulting in a problem that the quality of the product is degraded.

In addition, according to the prior art, the operation is not automated, the process is made by the manual labor of the operator, there is a problem that the ease and productivity is lowered, and the safety is greatly reduced.

[Purpose of invention]

Accordingly, the present invention is invented to solve the above problems, even if the rotation radius (winding diameter) is increased when the inner liner is wound on the winding drum, the linear speed is constant, thereby preventing the change of tension due to the linear speed change It is an object of the present invention to provide a method for winding an inner liner for a tire, and an inner liner supplying device and an inner liner winding device.

[Configuration of Invention]

The present invention for achieving the above object, while using the inner liner supply device consisting of a cutting conveyor, a transfer conveyor and an automatic control panel to automate the winding process, while the bellows cylinder on the conveyor and the transfer conveyor of the cutting conveyor respectively. And a potentiometer and reinforcement of the load cell, the air brake and the control unit in the winding device so that the supply speed of the inner liner is stable and constant.

In addition, the inner liner winding apparatus according to the present invention includes a winding drum, a winding drum driving motor for driving the winding drum, a liner drum for supplying a liner to the winding drum, and a plurality of rollers, provided on both sides of the roller. A load cell is provided, and an air brake for braking the liner drum and a control unit for controlling the air brake by receiving a signal of the load cell are provided.

On the other hand, the inner liner supply apparatus according to the present invention, a conveyor for conveying the inner liner to the first winding device and a cutting conveyor consisting of a cutting unit for cutting the inner liner when the winding is completed, the air cylinder and the moving part is provided with an inner liner The transfer conveyor conveys to the second winding device, and the control unit is connected to the cutting conveyor and the transfer conveyor to control the automatic supply of the inner liner to each winding device selectively, wherein the conveyor and the transfer conveyor It is composed of a potentiometer for detecting the change of the supply speed of the inner liner according to the various resistances, and a bellows cylinder for detecting the change of the moving speed of the inner liner according to the change of the rotation radius (winding diameter) during winding. .

EXAMPLE

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a state diagram of winding the inner liner using the inner liner supply device and the inner liner winding device according to the present invention. The method of winding the inner liner according to the present invention is divided into various steps in the automatic control panel 5. It is to be repeated automatically by the step, when the method according to the present invention will be described step by step, the first step; The inner liner 10 continuously supplied from the previous process is supplied from the conveyor 2 of the cutting conveyor 1 and supplied to the first winding device 6 to be wound on the winding drum 6a, and the second step. ; When the winding of the first winding device 6 is completed, the cutting unit 3 of the cutting conveyor 1 is operated to cut the inner liner 10 to perform a third step; Operating the air cylinder (4c) of the transfer conveyor (4) to move the moving part (4d) to the tip of the cutting conveyor (1), a fourth step; A fifth step of receiving the distal end of the inner liner 10 from the transfer conveyor 4 and supplying it to the second winding device 7 and winding the wound drum 7a; When the winding of the second winding device (7) is completed, the cutting unit (3) of the cutting conveyor (1) is operated to cut the inner liner (10), a sixth step; The air cylinder 4c of the transfer conveyor 4 is operated to return the moving part 4d to its original position, and then returns to the first stage, and the above steps are repeated.

In addition, the conveyor 2 and the transfer conveyor 4 of the cutting conveyor 1 are provided with bellows cylinders 2a and 4a and potentiometers 2b and 4b, respectively. The load cells 6e and 7e and the air brakes 6f and 7f and control units 6g and 7g for automatically controlling them are respectively provided so that the supply speed of the inner liner 10 is kept stable and constant during winding. .

FIG. 2 is an enlarged view of part X of FIG. 1, and accordingly, the inner liner supplying device according to the present invention receives a inner liner 10 from a previous process and transfers the inner liner 10 to the first winding device 6. (2) and a cutting conveyor (1) consisting of a cutting unit (3) for cutting the inner liner (10) upon completion of winding, and an air cylinder (4c) and a moving part (4d) connected to the air cylinder (4d). To the transformer conveyor 4 and the cutting conveyor 1 and the transfer conveyor 4 which selectively receive the inner liner 10 from the cutting conveyor 1 and transfer the inner liner 10 to the second winding device 7. Consists of a control unit (5) connected to control the inner liner (10) to be automatically supplied to the take-up device (6, 7) selectively, the conveyor (2) and the transfer conveyor (4), the inner liner to be wound Winding drum drive motors (6c, 7c) by sensing various movement speeds by windings (10) Potentiometers 2b and 4b to prevent the load from becoming unstable, and the winding speed of the inner liner 10 according to the change of the rotational radius (winding diameter) during the winding is detected so that the linear velocity is constant. The bellows cylinders 2a and 4a which control the motors 6c and 7c are provided.

3 is a state view viewed from the Y-phase of FIG. 2, the inner liner winding apparatus according to the present invention includes winding drums 6a and 7a in which the inner liner 10 and the liner 8 are wound on an outer circumferential surface thereof, and the winding drum. Winding drum drive motors 6c, 7c for driving 6a, 7a, Liner drums 6d, 7d for supplying the liner 8 to the winding drums 6a, 7a, and Winding drums 6a, 7a. A plurality of rollers 6d and 7d are provided to stably wind the liner 8, and load cells 6e and 7e are provided at both sides of the rollers 6d and 7d, and the liner drums 6b and 7b are provided. The air brakes 6f and 7f for braking the engine and the control units 6g and 7g for receiving the signals of the load cells 6e and 7e and controlling the air brakes 6f and 7f are provided.

Therefore, according to the present invention, each winding device is operated by the cutting conveyor 1 and the transfer conveyor 4, in which the operation of continuously supplying the inride 10 to the 6 and 7 is automatically controlled. This simplification eliminates the need for the operator's manual work as mentioned in the prior art.

In addition, even when the rotation radius (winding diameter) is increased during winding, the linear speed of the supplied inner liner 10 and the linear speed of the liner 8 are stably and automatically controlled.

[Effects of the Invention]

According to the present invention as described above, even if the rotation radius (winding diameter) is increased when the inner liner is wound on the winding drum, the linear speed is kept stable stably to prevent the change of tension due to the linear speed change of the product Since the quality is improved and the winding operation is automatically performed, the manual labor of the worker is unnecessary, the work is simplified, the convenience and productivity are improved, and the safety of the worker is improved.

Claims (3)

The present invention is divided into six stages to be automatically repeated by the automatic control panel 5, each step is as follows, the first step; The inner liner 10 continuously supplied from the previous process is supplied from the conveyor 2 of the cutting conveyor 1 and supplied to the first winding device 6 to be wound on the winding drum 6a. step; When the winding is completed in the first winding device 6, the cutting unit 3 of the cutting conveyor 1 is operated to cut the inner liner 10, the third step; Operating the air cylinder (4c) of the transfer conveyor (4) to move the moving part (4d) to the tip of the cutting conveyor (1); Receiving the tip of the inner liner 10, which has been cut, from the transfer conveyor 4 and supplying it to the second winding device 7 to wind the winding drum 7a; When the winding of the second winding device 7 is completed, the cutting unit 3 of the cutting conveyor 1 operates to cut the inner liner 10, and a sixth step; After operating the air cylinder (4c) of the transfer conveyor (4) to return the moving portion (4d) to the first step and consists of repeating each step, the conveyor of the cutting conveyor (1) 2) and the transfer conveyor 4 are provided with the bellows cylinders 2a and 4a and the potentiometers 2b and 4b, respectively, and the take-up devices 6 and 7 have load cells 6e and 7e and air brakes. 6f, 7f) and a control unit (6g, 7g) for automatically controlling them, respectively, a method of winding the inner liner for the tire to ensure that the supply speed of the inner liner (10) is stable and constant during winding. Winding drums 6a, 7a on which the inner liner 10 and the liner 8 are wound on the outer circumferential surface, winding drum driving motors 6c, 7c for driving the winding drums 6a, 7a, and the winding drum 6a. Inner provided with liner drums 6d and 7d for supplying the liner 8 to 7a and a plurality of rollers 6d and 7d for stably winding the liner 8 to the winding drums 6a and 7a. In the liner winding device, Load cells 6e and 7e are provided at both sides of the rollers 6d and 7d to input air brakes 6f and 7f for braking the liner drums 6d and 7d and signals of the load cells 6e and 7e. Inner liner winding device, characterized in that the control unit (6g, 7g) for receiving and controlling the air brake (6f, 7f). Cutting conveyor consisting of a conveyor (2) for receiving the inner liner (10) from the previous process to transfer to the first winding device (6) and the cutting unit (3) for cutting the inner liner (10) when winding is completed ( 1) and an air cylinder 4c and a moving part 4b connected to the air cylinder 4d are provided to selectively receive the inner liner 10 from the cutting conveyor 1 and to the second winding device 7. The transfer unit 4 and the control unit connected to the cutting conveyor (1) and the transfer conveyor (4) to control the inner liner (10) to selectively supply automatic winding to the winding device (6, 7) Consists of (5), the conveyor (2) and the transfer conveyor (4), the potentiometer (2b, 4b) for detecting a change in the supply speed of the inner liner 10 according to various resistances, and rotates when winding Bellow cylinder (2a) for detecting a change in the moving speed of the inner liner 10 according to the change of the radius (winding diameter) Inner liner supply device provided with (4a).