KR100441958B1 - Building Assemble Apparatus of Green Tire for Off The Road Vehicles - Google Patents

Abstract

The present invention relates to an apparatus for manufacturing a green tire of a tire mounted on a large industrial vehicle such as a crane vehicle, the apparatus for manufacturing a non-vulcanized green tire of a tire mounted on an industrial vehicle, the belt assembly drum ( 50, 50 ') drive in the horizontal circumferential direction using the transfer motor 45, the circumference of the belt assembly drum (50, 50') by the linear motion unit 49 and the drive motor 48 The belt assembly drums 50, 50 ′ are assembled to the rotatable housing 70 while the carcass assembly drums 21, 21 ′ are positioned in a horizontal line on the transport track 22 while being adjusted. A housing 27 having a roll overcan 30 for turning up the members 1 to 11 supplied to the casing assembly drums 21 and 21 ', and a belt feeder 41 and a woofer transfer on the transfer track 22. Machine 42 'can move and the left bead feeder 42 is assembled to this belt feeder 41 to On the other hand, this woofer feeder 42 'is configured separately and the bead loader 43, which is to supply beads to the bead feeder, the motor 34 and the linear motion unit 32, 32' driven to match the main direction Left turn-up device 36 to turn up to (33, 33 '), the belt supply unit 52 for supplying the belt 12 to 16 to the belt assembly drum (50, 50') disposed perpendicular to the main direction, A member supply part 53 for supplying a nylon cord enclosed with rubber and disposed under the belt supply part 52 when viewed in the vertical direction to the belt assembly drum 50, 50 ′, and the carcass assembly drum 21, 21. Carcass ply supply part 24, which is disposed perpendicular to ') and supplies the carcass ply 4, is disposed opposite to the carcass ply supply part 24 perpendicularly to the circumferential direction, so that the carcass assembly drum 21, 21 ') to produce the tread strip supply section 62, the green tire, which feeds the tread 18 into strips. Presser 25 arranged under this carcass ply feed 24 for stitching carcass plies against carcass plies 4 provided on carcass assembly drums 21, 21 ′ which are in line with the main direction. And an unloading machine 67 for taking out the green tires from the belt conveying machine 41.

Description

Building Assemble Apparatus of Green Tire for Off The Road Vehicles}

The present invention relates to an apparatus for manufacturing green tires mounted on a large industrial vehicle such as a crane, and more particularly, to improve structural uniformity and quality instability of a large green tire to be manufactured, thereby achieving uniformity and quality of a product. The present invention relates to a manufacturing and assembly apparatus for a large green tire, which improves productivity by optimizing a working line.

As is known, tires mounted on various vehicles are largely classified into passenger cars, truck buses, industrial and agricultural tires according to vehicle types, and industrial tires are mounted on industrial vehicles and construction equipment, and large tires among industrial tires are used. It is called Off The Road (OTR) and has been manufactured mainly with a bias structure rather than radial.

In general, a large tire mounted on an industrial vehicle or the like has a bias tire structure or is formed in two stages, and various facilities and methods have been implemented to manufacture green tires (referred to as unvulcanized tires).

Such conventional green tire molding of large tires has many differences depending on the size of the tire structure or the type of each member supplied. Among them, international patent (PCT) Publication No. WO 97/28957 and Korean Patent Publication No. 2001-0062195 Although a method and apparatus for forming and manufacturing a green tire in a tire forming system are presented, these conventional techniques are not only difficult to form a green tire by combining each member at a time because productivity of the work line is complicated, and it is difficult to manufacture the whole tire. Problems such as deterioration of uniformity and quality of green tires have been raised.

The present invention has been invented to solve the conventional problems as described above, to provide a manufacturing assembly device for a large green tire that can be completed forming the green tire in a single operation step while improving the uniformity, quality and productivity of the product. Its purpose is.

1 is a partial cross-sectional view of each member separated prior to the manufacture of a green tire for a conventional industrial vehicle,

Figure 2 is a cross-sectional view of the green tire for the completed industrial vehicle,

3 is a schematic plan view of the device according to the invention,

4 is a schematic front view of FIG. 3.

-Explanation of symbols for the main parts of the drawings-

21,21 '-Carcass Assembly Drum 22-Transport Tracks

24-Carcass Fly Supply 25-Crimp

27,37-Drive Unit 30,30 '-Roll Over Can

31-Carcass drum shaft 32,32 ', 33,33'-Linear motion unit

36-Left turn-up device 41-Belt conveyor

42,42 '-Left and Right Bead Feeders 43-Bead Loaders

47-winding motor 48-circumferential adjustment motor

49-Linear Motion Unit 50,50 '-Belt Assembly Drum

52-Belt supply part 53-Member supply part

56-Presser 62-Tread Strip Supply

63-Extruder 65-Denser

66-Conveyor 67-Unloading Machine

70-housing 71-housing

The present invention for achieving the above object is an apparatus for manufacturing a non-vulcanized green tire of a tire mounted on an industrial vehicle, using a transfer motor that is a drive unit of the belt assembly drum to transport in a horizontal circumferential direction The circumference of the belt assembly drum is controlled by a linear motion unit and a drive motor, while the belt assembly drum is assembled in a rotatable housing, and the carcass assembly drum is positioned in a horizontal line on the transport track. A housing having a roll over-can for turning up the member supplied to the belt, wherein the belt feeder and the right bead feeder can move on the conveying track. Bead loader, which supplies beads to this bead feeder, Left turn-up device for turning up by motor and linear motion unit, Belt supply part for supplying belt to the belt assembly drum vertically in the main direction, Nylon cord wrapped under rubber while being disposed under this belt supply part in vertical direction A member supply part for supplying the gas to the belt assembly drum, a carcass ply supply part disposed vertically to the carcass assembly drum and supplying the carcass ply, and disposed to face the carcass ply supply part perpendicular to the main direction. A tread strip supply for supplying the tread to the assembly drum in strip form, underneath this carcass ply supply for stitching the carcass ply against the carcass ply provided on the carcass assembly drum in a circumferential direction to produce green tires. Compressor disposed in, and withdrawing the green tire from the belt feeder It has a structure consisting of an unloader.

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

1 is a partially separated view showing each member of a tire before molding a large green tire, FIG. 2 is a cross sectional view of a completed green tire, and FIGS. 3 and 4 are schematic plan and front views of the device according to the present invention. to be.

The present invention is a device for manufacturing a non-vulcanized green tire of a tire mounted on an industrial vehicle as shown in Figures 3 and 4, the transfer motor 45, which is a drive unit of the belt assembly drum (50, 50 ') And the circumference of the belt assembly drum (50, 50 ') is adjusted by the linear motion unit (49) and the drive motor (48) while the belt assembly drum (50, 50') is used. ) Is assembled to the rotatable housing 70, and the carcass assembly drums 21, 21 ′ are positioned in a horizontal line in the transport track 22 and supplied to the two carcass assembly drums 21, 21 ′. A housing 27 having a roll over can 30 for turning up the members 1 to 11, and a belt conveyer 41 and a right bead conveyer 42 ′ can be moved on the conveying track 22 and left bead conveyed. The machine 42 is assembled to the belt transfer machine 41 to form a body, while the woofer transfer machine 42 'is configured separately and the bead tooth Left turn-up device 36 for turning up with a bead loader 43 to supply beads to the machine, a motor 34 driving to match the main direction, and linear motion units 32, 32 ', 33, 33', Belt supply unit 52 for vertically distributing the belts 12 to 16 to the belt assembly drums 50 and 50 ', and is disposed below the belt supply unit 52 in a vertical direction and surrounded by rubber. A member supply part 53 for supplying the stacked nylon cords to the belt assembly drums 50 and 50 ', and a car which is disposed perpendicular to the carcass assembly drums 21 and 21' to supply the carcass ply 4 The tread strip supply part which arrange | positions the casp | slice supply part 24 and the carcass ply supply part 24 perpendicular | vertical to the said circumferential direction, and supplies the tread 18 to this carcass assembly drum 21, 21 'in strip form ( 62) carcass plaques provided on carcass assembly drums 21 and 21 'in line with the main direction for producing green tires. Compressor 25 disposed below the carcass ply feed section 24 for stitching the carcass ply to the lie 4 and unloader 67 for withdrawing the green tire from the belt feeder 41. Consists of

Here, the left and right bead feeders 42 and 42 'for supplying the upper bead filler 2, which is a part of the bead filler 1, to the carcass assembly drums 21 and 21' are carcass assembly drums 21 and 21 '. It is to be moved to the right with respect to the center of the to be placed in place and then attached.

In addition, the carcass ply supply part 24 is disposed to face in the vertical direction in a circumferential direction so that the tread 18 is supplied as a strip to the carcass assembly drums 21 and 21 '.

Next, the operation of the present invention will be described with reference to FIGS. 1 to 4.

Green tire manufacturing assembly according to the present invention, the belt is arranged in a belt assembly drum (50, 50 ') to move in a straight line for the belt and the reinforcing member, the first and second belts (12, 13) belt arranged up and down It receives the supply from the supply unit 52 and winds it up and moves it to the belt assembly drum 50, which is supplied by this belt supply unit 52 arranged up and down to the belt 14 or the belt 4, and wound up. Next, the belt reinforcement plies are supplied from the member supply part 53 and wound up.

Again, the belt assembly drum is moved to the right to remove air between the members by the pressing device 56 for pressing each member on the belt assembly drum.

The conveyance of the belt assembly drum for winding each member is carried out by the motor 45, the rotation for the winding or the motor 47, and the circumference of the belt assembly drum 50 according to the type of the green tire is adjusted by the motor ( 48) and a device 49 for converting the rotational movement into linear movement.

In the above, the position, speed and force of each motor are automatically controlled by the preset program.

Each assembly member assembled to the belt assembly drum is transferred by the belt conveyer 41 and is taken over from the belt assembly drum.

The belt conveyer 41 is conveyed in a straight line along the conveyance track 22 between the carcass drum 21 and the belt assembly drum 50 'by the motor 38.

In advance, the beads 1 are hung on the bead loader 43, and the beads are automatically transferred to the bead conveyors 42 and 42 '.

At this time, each bead feeder is moved by the respective motors 38 and 39 to the left and right.

The Uvid feeder 42 'which has transferred the beads waits for the next operation at the far right of the transfer track via the car card assembly drum.

The carcass drums 21 and 21 ′ arranged side by side on the conveying track 22 are rotated by the motor 28 configured in the drive unit 27, and the assembling drums on both sides are rotated inward or on the central axis 31, respectively. The linear motion to the outside is performed according to the type of green tire.

In the carcass assembly drums 21 and 21 ′, an extruded sidewall 7, a hump strip 5, and a rim cushion 6 are initially supplied from a fly feeder and wound up. The inner liner 3 and the carcass ply 4 are wound around each member supplied at a constant length from a ply server / ply applicator and the respective reinforcement 8, 9, 10) is located.

These stiffeners can be wound automatically or manually depending on the conditions.

The upper bead filler 2 is then wound up, and the left and right beads 1, which are turned over and waited by the bead feeders 42 and 42 ', are transferred onto the car card assembly drum in which the respective members are wound. It will be located in the designated place.

The extrudate shoulder wedge stiffener is then wound up.

After winding a series of members on the carcass assembly drum, the air pressure supplied to the carcass assembly drum makes the carcass into a certain shape, and then the brother included in the carcass assembly drums 21 and 21 ' By expanding, the members outside the bead 1 are constantly lifted and the left and right roll over cans 30 are actuated to position the members on the carcass ply to complete the bead 1. Is wrapped.

At this time, the left turn-up device 36 moves in a straight line of the carcass assembly drum by the motor 34 to stand by.

Further, each roll overcan 30, 30 'is moved by the motors 29, 57 and the linear movement units 32, 33, 32', 33 '.

Then, when the belt feeder 41 is placed on the carcass assembly drum and positioned, the carcass of a certain shape is further expanded to interlock with the belt assembly, and the belt feeder 41 moves back to the standby position.

Next, the presser 25 transfers and functions to completely attach the carcass and the belt assembly.

The tread is then shaped into a uniform shape in the extruder 63 and transferred to the strip feeder 62 through a dancer 65 and a conveyor 66 and into a strip of suitable shape within the strip feeder. It is converted and supplied.

A strip feeder 62 is wound onto the belt assembly with a carcass assembly drum. At this time, the position of the strip feeder can move in the X, Y axis.

In addition, when the tread strip is supplied, the support 44 for preventing the sagging of the carcass drum shaft 31 is raised to support.

When the winding of the tread 18 strip is completed, the belt assembly conveyer pulls out the completed green tire of the carcass assembly drum and turns over to the unloader 67 to complete the forming of the green tire and its cycle.

As described above, the present invention has the advantages of being able to complete the molding of a large green tire in a single work step, as well as shortening the working line and improving the uniformity and quality of the product and productivity.

Claims (3)

An apparatus for manufacturing a non-vulcanized green tire of a tire mounted on an industrial vehicle, The feed motor 45, which is the driving unit of the belt assembly drum 50, 50 ', is transferred in the horizontal circumferential direction, and the circumference of the belt assembly drum 50, 50' is linear movement unit 49 and the driving motor ( 48, while the belt assembly drums 50, 50 'are assembled in the rotatable housing 70, the carcass assembly drums 21, 21' are arranged in a horizontal line on the transport track 22. A housing 27 having a roll overcan 30 positioned and turning up the members 1-11 supplied to the two carcass assembly drums 21, 21 ', and a belt conveyer 41 on the conveying track 22; The right bead feeder 42 'can move and the left bead feeder 42 is assembled to the belt feeder 41 to form a body, while the right bead feeder 42' is configured separately. Left turn to turn up with the bead loader 43 to supply the bead to the conveyor, the motor 34 driving to match the main direction, and the linear motion units 32, 32 ', 33, 33'. Apparatus 36, belt feeder 52, which is arranged perpendicular to the circumferential direction and feeds belts 12-16 to belt assembly drums 50, 50 ', below the belt feeder 52 when viewed in the vertical direction. A member supply part 53 for supplying a nylon cord enclosed with rubber to the belt assembly drums 50 and 50 ', and disposed vertically to the carcass assembly drums 21 and 21' and disposed on the carcass ply ( 4) the carcass ply supply part 24 for supplying, and the carcass ply supply part 24 arranged perpendicularly to the circumferential direction so that the tread 18 is strip-shaped to the carcass assembly drums 21 and 21 '. Tread strip supply 62 for supplying, this car for stitching the carcass ply against the carcass ply 4 provided on the carcass assembly drums 21, 21 ′, which is in line with the main direction for producing green tires. From the press 25 and the belt feeder 41 disposed below the cas ply feed part 24, Manufacturing and assembly apparatus for a large green tire, characterized in that consisting of an unloading machine (67) for withdrawing the green tire. 2. The left and right bead feeders 42 and 42 'for supplying the upper bead filler 2 to the carcass assembly drums 21 and 21' are made of the carcass assembly drums 21 and 21 '. Manufacturing assembly apparatus for a large green tire, characterized in that moved to the outside with respect to the center is positioned in place. 2. The large green of claim 1, wherein the tread 18 is supplied to the carcass assembly drums 21 and 21 'so that the tread 18 is supplied in strips. Tire assembly and assembly apparatus.