KR100187626B1 - A transportation equipment of maintenance device for an width tire belt - Google Patents

Abstract

The present invention relates to a transport belt for a tire belt having an anti-deformation device, the pit (6) provided between the take-out conveyor (2) and the transport conveyor (5) of the equipment for manufacturing and transporting the belt (4) The support member 7 which prevents the width of the belt 4 from being deformed by appropriately raising or lowering the back surface of the belt 4 to be conveyed in accordance with the conveying speed of the drawing conveyor 2 and the conveying conveyor 5. ), As the belt 4 sagging inside the pit 6 is extended by its own weight so that the width thereof is not reduced, the uniformity of the finished tire can be maintained.

Description

Transport equipment for tire belts with width deformation prevention device

The present invention relates to a width deformation preventing device mounted on a belt conveying facility for a tire, and in particular, the steel cord paper is cut at an angle and then bonded to the belt production facility to be rolled up to be transferred to the pit between the drawing conveyor and the conveying conveyor. The present invention relates to a transport belt for a tire belt having a width deformation preventing device capable of preventing the width of the belt from being deformed by its own weight.

In general, tires are manufactured by extruding compound rubbers in which natural rubber, which is a raw material, and carbon black, sulfur, and other chemicals are mixed, or the compound rubber is used as cord or bead wire. The raw tire called Green Tire is manufactured by the 1st and 2nd molding process which combines the various semi-finished products which were cut through the rolling process topping to the back, and put this raw tire into the vulcanizer with the mold called mold for predetermined time. During the vulcanization process of applying heat and pressure, the finished tire is manufactured with elastic force.

In the molding process, belts, reinforcements and treads are sequentially wound on the outer circumference of the green case where the semi-finished products such as inner liner, carcass, bead, and sidewall are joined in sequence on the band drum of the primary molding process. It is put into the secondary molding process that is molded into tires. Among the semi-finished products required for this secondary molding process, the steel cord is supplied to the belt drum topping the compound rubber onto the belt drum.

However, in the conventional belt supplied in the form of a belt drum, as shown in FIG. 3, the steel cord paper 1 embedded in the longitudinal direction of the member by topping a plurality of steel cords into a compound rubber as a raw material is fixed. Take the take-out conveyor (2) driven at speed enters the splicer (3), the steel cord paper (1) is cut at an angle to the side of the cut pieces in this splicer (3) The belt 4 is manufactured by joining the steel cords which are continuously coupled to each other and arranged to maintain an angle with respect to the longitudinal direction of the entire member, and the belt 4 thus manufactured is driven at a constant speed. It is wound on the outer circumferential surface of the roller so as to be convenient to be used by being fed into the secondary molding process by the conveying conveyor 5.

Here, a recessed pit 6 is provided between the takeout conveyor 2 and the transfer conveyor 5 so that the belt 4 passes the takeout conveyor 2 via the splicer 3. When the belt is conveyed to the conveying conveyor 5 and wound up, the belt 4 conveyed by the conveying conveyor 5 is smoothly wound by stacking the predetermined amount of the belt 4 into the pit 6 in a lined state. It is supposed to be.

However, as described above, the pit 6 formed between the takeout conveyor 2 and the transfer conveyor 5 is transported in a state in which the belt 4 having passed through the takeout conveyor 2 is extended in the pit 6. Since it is conveyed to the conveyor 5, in this pit 6, the deformation | transformation which the width | variety of the belt 4 reduces by about 0.5% by self weight will arise.

Therefore, when the belt 4 whose width is deformed at the pit 6 between the takeout conveyor 2 and the transfer conveyor 5 is used in the secondary molding process and is completed as a tire through all the additional steps of the next step, There was a problem that adversely affect the uniformity (Uniformity) of the manufactured tire.

Accordingly, the present invention has been invented to solve the above problems, the steel cord paper is cut at a certain angle and then to the pit provided between the take-out conveyor and the transfer conveyor to wind the belt again bonded to the relative speed difference between these conveyors. By providing a support means for supporting the rear surface of the belt that is moved up and down along the length of the pit in the lower part of the pit, the width deformation prevention device to prevent the phenomenon that the width of the belt decreases due to its own weight inside the pit. It is an object of the present invention to provide a transport system for a tire belt.

1 is a configuration diagram schematically showing a conveying equipment of the belt having a width deformation preventing device according to the present invention,

(A) and (b) of FIG. 2 are state diagrams showing that the support members of FIG. 1 are lifted and lowered, respectively.

3 is a configuration diagram schematically showing a conventional conveying equipment of the belt.

* Explanation of symbols for main parts of the drawings

1: Steel cord paper 2: Withdrawal conveyor

3: splicer 4: belt

5: transfer conveyor 6: feet

7: support member 7a: sensor for rising signal

7b: Sensor for falling signal 8: Drive motor

9: connecting member 10a, 10b: upper and lower detection sensor

11: locking member

The present invention for achieving the above object, the drawer conveyor for transporting the rolled steel cord paper by topping a plurality of steel cord in the compounding rubber for the manufacture of the belt required for the secondary molding process of the tire, and the takeout conveyor The splicer which makes a belt by giving a certain direction to the steel cord of the steel cord conveyed by the belt, the conveying conveyor which conveys this splicer for winding a coarse belt to a winding roll, and is conveyed between the said drawing conveyor and a conveying conveyor. In the belt conveying equipment comprising a pit to hang the belt for spare so that the belt can be smoothly wound, the support member having a downward signal sensor at both ends and a rising signal sensor at the center of the pit The drive motor installed on the bottom of the pit and the flexible connection member Installed in contact with the back. The support member is configured to be movable up and down in accordance with the expansion and contraction of the connecting member by the operation of the drive motor.

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

1 is a configuration diagram schematically showing a conveying equipment of a belt having a width deformation preventing device according to the present invention, Figure 2 (a), (b) is a view showing that the support member of Figure 1 is lifted / lowered As a state diagram, the same reference numerals will be given in the same parts as in FIG.

The present invention, as shown in the drawing, the take-out conveyor (2) for driving the rolled steel cord paper (1) by topping a plurality of steel cords in the compound rubber of the semi-finished product required for the secondary molding process of the tire, and The steel cord arranged in the steel cord 1 conveyed by the takeout conveyor 2 is cut into the belt 4 so as to cut and re-bond the steel cord 1 so as to give a constant direction with respect to the longitudinal direction. A splicer (3), a conveying conveyor (5) for conveying the belt (4) having passed through the splicer (3) to the take-up roll, and a belt between the drawing conveyor (2) and the conveying conveyor (5). When (4) is conveyed to the conveying conveyor (5) by the take-out conveyor (2) via the splicer (3) the hanger belt (4) hang down so that the conveyed belt (4) can be smoothly wound Consists of a pit (6) that is recessed to form an empty space In the belt conveying facility, a support member (7) having a lower signal sensor (7b) at both ends and a rising signal sensor (7a) at both ends thereof in contact with the rear surface of the belt (4) being conveyed inside the pit (6). ) Is installed through the drive motor 8 installed on the bottom of the pit 6 and the flexible connecting member 9, the support member 7 is connected to the connecting member 9 by the operation of the drive motor (8) The upper and lower detection sensors 10a and 10b are installed on one side wall of the pit 6 so as to limit the vertical movement of the support member 7. .

And a driving motor which is operated to raise and lower by connecting the rising signal sensor (7a) and the falling signal sensor (7b), the support member 7 and the connecting member (9) mounted on the support member (7) ( 8), and the upper and lower detection sensors 10a and 10b installed to detect the upper and lower limits of the movement of the support member 7 are PLC (not shown), which is a kind of control device for controlling the transport equipment of the present invention, respectively. It is connected.

In addition, the connecting member 9 which raises / lowers the supporting member 7 according to the operation of the driving motor 8 is caught by the locking member 11 in the pit 6, and the supporting member 7 is supported. The upper surface is capable of supporting the rear surface of the belt 4.

Accordingly, in the belt transfer equipment of the present invention configured as described above, as shown in FIG. 2 (a), the steel cord paper 1 is first introduced into the splicer 3 by the take-out conveyor 2 and the belt is loaded. The back side of the belt 4 extended into the pit 6 is supported by the support member 7 when it is made of (4) and then dropped into the pit 6 and carried out by the conveying conveyor 5. At this time, the control device for controlling the conveying equipment transfers the conveying conveyor 5 while causing the driving motor 8 to lower the supporting member 7 until the lower signal sensor 7b of the supporting member 7 is not operated. By increasing the feed rate, the belt 4, which is extended in the pit 6, is extended by its own weight so that the deformation of which the width is reduced does not occur.

Then, as shown in FIG. 2 (b), the conveying speed of the belt 4 supported by the support member 7 in the pit 6 is again increased by the increased conveying speed of the conveying conveyor 5. If it becomes faster and does not come into contact with the rising signal sensor 7a and does not operate it, the driving motor 8 operates in the reverse direction until the rising signal sensor 7a comes into contact with the belt 4 and operates. This raises the support member 7 so that the belt 4 is not stretched.

At this time, the vertical movement range of the support member 7, which is moved up and down by the expansion and contraction of the connecting member 9 by the drive motor 8 to repeat the forward and reverse rotation by the control device for controlling the transfer equipment is pit (6) It is restricted by the upper and lower detection sensors 10a and 10b provided on the inner wall.

In addition, the downward movement speed of the support member 7 is equal to the difference between the relative speeds of the takeout conveyor 2 and the transfer conveyor 5, and the upward movement speed is the same as the transfer speed of the transfer conveyor 5.

In addition, the belt 4 drawn out at high speed from the takeout conveyor 2 is shaken so that damage to the surface of the belt 4 due to overlapping can be eliminated as the support member 7 supports the belt 4. .

As described above, according to the transfer equipment of the belt for tires having the width deformation preventing device of the present invention, the rear surface of the vent to be transported in the pit provided in the takeout conveyor and the transfer conveyor is properly raised in accordance with the transfer speed of the takeout conveyor and the transfer conveyor. Or as the support member for lowering movement is provided, the belt sagging inside the pit is stretched by its own weight so that the deformation of the width is not reduced so that the finished belt is used in the next process to produce the finished tire. There is an effect that can contribute to maintaining the uniformity of the tire.

Claims (3)

A takeout conveyor (2) for transporting rolled steel cord paper (1) by topping a plurality of steel cords in a compound rubber to manufacture the belt (4) required for the secondary molding process of the tire, and the takeout conveyor (2). A splicer (3) to give a fixed direction to the steel cord of the steel cord paper (1) conveyed by the belt to make a belt (4), the belt 4 passed through the splicer (3) is transferred to the take-up roll The transfer conveyor 5, and the pit 6 to allow the belt 4 to be laid down so that the belt 4 conveyed between the takeout conveyor 2 and the transfer conveyor 5 can be smoothly wound. In the belt conveying equipment comprising a support member (7) having a lower signal sensor (7b) at both ends and a rising signal sensor (7a) in the center of the pit (6) inside the pit (6) The belt 4 is driven by a driving motor 8 installed on the bottom surface and a flexible connecting member 9. Installed in contact with the back. The support member (7) is a transport equipment for a tire belt with a width deformation preventing device, characterized in that it is movable up and down via a connecting member (9) stretched by the operation of the drive motor (8). 2. The tire according to claim 1, wherein upper and lower detection sensors (10a, 10b) are installed on one side wall of the pit (6) to regulate the vertical movement of the support member (7). Belt conveying equipment. According to claim 1 and 2, wherein the rising signal sensor (7a) and the falling signal sensor (7b) mounted on the support member 7 is connected via the support member (7) and the connecting member (9) The operating motor 8 and the upper / lower end detection sensors 10a and 10b installed to detect the upper and lower limits of the movement of the support member 7 are connected to a control device for controlling each transfer facility. Transfer equipment for tire belts with strain relief.