KR100692293B1 - Cutting machine for tire bead wire bundle - Google Patents

Abstract

A tire bead cutter is provided to prevent a portion of a cut tire from lodged between rollers by providing a base and a turn table to have a plurality of rollers densely mounted on the base. A tire bead cutter includes a base(3), a main frame(11), a horizontal movement section(18), a vertical guide(14), a cutting section(100), and a hydraulic pump(9). The base is adapted to horizontally dispose the tire. The main frame is fixed to the base. The horizontal movement section is installed in a horizontal guide of the main frame so as to be freely moved. The vertical guide is fixed to the horizontal movement section and extends vertically. The cutting section is vertically moved along the vertical guide. The hydraulic pump operates the hydraulic pressure to the cutting section. A circular turn table is installed at a central portion of the base. A plurality of rollers is densely mounted to the base and the upper surface of the turn table. A turn table control motor rotating a turn table is connected to a turn table by a chain coupling and a gear box.

Description

Tire Bead Cutting Machine {Cutting Machine for Tire Bead Wire Bundle}

1 is a perspective view showing the structure of a tire bead cutting machine according to the prior art.

2 is a perspective view showing the structure of the tire bead cutting machine according to the present invention.

Figure 3a is a plan view of the base portion of the tire bead cutter according to the present invention, Figure 3b is a cross-sectional view taken along the line A-A of Figure 3a.

<Explanation of symbols for the main parts of the drawings>

3 ... base 4 ... roller

5, 17 ... Hydraulic cylinder 6. Steel plate blade

7 ... blade support 9 ... hydraulic pump

10 ... motor 11 ... main frame

12 ... frame reinforcement support 13 ... frame assembler

14 ... vertical guide 15 ... ball bush

16 ... horizontal guide 18 ... horizontal mover

19 ... cutting body 20 ... body support

30 ... control switch 50 ... turn table

55 ... control motor 56 ... chain coupling

57 ... gear box 100 ... cutout

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to tire bead cutters for use in cutting tires for testing tire products produced, and more particularly to tire bead cutters having a vertical structure for one person operation.

Rubber, fibers and steel wire for tires are usually cut by reciprocating a straight saw blade or by continuously rotating a circular saw blade. However, because the strength of the bead wire is usually larger than the strength of such saw blades, a specially heat-treated separate steel sheet blade is used. Moreover, this operation requires a very large force, so that the steel sheet blade is operated using a hydraulic actuator or the like.

However, in the conventional equipment, the tire is vertically fixed and fixed to the support, and since the hydraulic cylinder is cut while moving horizontally the blade portion connected to the tire, two or more workers are required for supporting and moving the tire, and the labor intensity is also high. There was a falling issue.

In addition, the handling before and after cutting the tire is unstable, there was also a disadvantage that the safety to the human body is greatly reduced.

1 illustrates a structure of a tire bead cutting machine according to the prior art disclosed in Patent Publication No. 10-0374420.

The tire bead cutting machine is freely movable to the base 3 for horizontally arranging the tire, the main frame 11 fixed to the base 3, and the horizontal guide 16 of the main frame 11. A horizontal moving part 18 to be installed, a vertical guide 14 fixed to the horizontal moving part 18 and extending in the vertical direction, and a cutting part 100 moving vertically along the vertical guide 14. ) And a hydraulic pump 9 for applying hydraulic pressure to the cut portion 100.

A plurality of rollers 4 are installed on the upper surface of the base 3 so that the tires installed horizontally can be handled by hand.

However, there was a problem that the gap of these rollers 4 was too loose so that a part of the cut tire was easily caught between the rollers. In addition, in order to cut the other side of the tire, the operator had to hold the tire of about 80kg or more by hand and had a difficulty.

The present invention has been made to solve the above problems, the tire bead portion that can be easily handled by a single worker and excellent mechanical operation by the turntable, etc. can greatly increase the safety and efficiency To provide a wire bundle cutter.

In order to achieve the above object, the tire bead cutting machine according to the present invention has a base for horizontally arranging a tire, a main frame fixed to the base, and a horizontal movement freely installed on a horizontal guide of the main frame. And a vertical guide fixed to the horizontal moving part and extending in the vertical direction, a cutting part moving vertically along the vertical guide, and a hydraulic pump for applying hydraulic pressure to the cutting part;

The cutting part has a ball bush attached to the side, the body is free to move along the vertical guide, a hydraulic cylinder fixed to the body and directed in the vertical direction and is operated by the hydraulic pump, and is connected to the hydraulic cylinder A tire bead cutter composed of an iron plate blade freely movable in a vertical direction and a blade support for fixing the blade;

A circular turntable is provided in the center of the base, and a plurality of rollers are closely mounted on the base and the upper surface of the turntable.

A turn table control motor for rotating the turn table is connected to the turn table by a chain coupling and a gear box in the base.

In addition, the vertical movement of the cut portion is operated by a hydraulic cylinder driven by a hydraulic pump, the horizontal movement along the horizontal guide is preferably made by a motor.

On the other hand, the vertical movement and horizontal movement of the cut portion and the rotational movement of the turn table can be remotely controlled by the control switch pulled out of the outside.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention; Figure 2 shows the overall configuration of the tire bead cutter according to the present invention. 3A is a plan view of the base portion of the tire bead cutting machine according to the present invention, and FIG. 3B is a sectional view taken along the line A-A of FIG. 3A.

The base 3 is provided in the bottom, and can arrange | position a tire horizontally on the upper surface. In the center of the upper surface of the base 3, there is a circular hole into which the turn table 50 can be inserted, and the turn table 50 is inserted into the hole so that the turn table 50 can rotate. In addition, a plurality of rollers are closely attached to the upper surface of the base and the turntable, so that the tire can be handled more easily. The plurality of rollers allow adjacent rollers to be in close contact with each other so that the cut pieces of tire are not caught between the dense rollers.

In the base 3, the main frame 11 for guiding or supporting the movement of the cutting unit 100 or the like is bent by the letter 'A'. On the upper surface of the main frame 11, a horizontal guide 16 is fixedly installed, and a horizontal moving part 18 is installed thereon. In addition, a vertical guide 14 is fixed to this horizontal moving part 18 and extends in a vertical direction, so that the cutout part 100 can move in the longitudinal direction (vertical direction) of this vertical guide 14.

The cutting part 100 has a body 19, a hydraulic cylinder (5), a blade (6) and a blade support (7). The cutting body 19 has a ball bush (15) attached to the side thereof through which the longitudinal direction is guided along the vertical guide (14). The hydraulic cylinder 5 is installed in the cutout body 19 in the vertical direction and is operated by the hydraulic pump 9. In addition, the hydraulic cylinder (5) is connected to the blade plate (6) and the blade support (7) for fixing the blade 6 is able to move in the vertical direction as the hydraulic cylinder (5) operates. have.

Vertical movement of the cutting part 100 along the vertical guide 14 is performed by a hydraulic cylinder 17 driven by a hydraulic pump 9, and horizontal movement along the horizontal guide 16 is performed by the motor 10 and rotation. / By a linear conversion exercise equipment (not shown). Moreover, the movement of the cutout 100 can be remotely controlled by the control switch 30 pulled out thereof.

In addition, the vertical movement of the iron blade (6) and the blade support (7) is made by a hydraulic cylinder (5) driven by the hydraulic pump (9).

On the other hand, the control motor 55 for rotating the turn table 50 is installed in the frame 3, as shown in Figure 3b. The control motor 55 preferably uses a geared motor, and the rotation axis of the gear box 57 is lowered in the center of the turntable 50 through the chain coupling 56 and the gear box 57. Connected with This control motor 55 can also be operated via the control switch 30. As a result, the control switch 30 is connected to control the motor 10, the hydraulic cylinder 17, the hydraulic cylinder 5 and the control motor 55 as described above. The connecting lines of the control switch 30 are only schematically shown in FIG.

Hereinafter, an operation example of the tire bead cutting machine according to the present invention will be described.

First, the tire to be cut is placed horizontally on the upper surface of the base 3. Since a plurality of rollers 4 are densely installed on the upper surface of the base 3, heavy tires can be easily moved.

Next, the cutting unit 100 is moved in the vertical / horizontal direction by the control switch 30 and positioned at the final cutting position of the tire bead unit steel wire (not shown). And the wire bundle is placed between the iron blade (6) and the support (20). In this state, when operating the hydraulic cylinder (5) with the control switch 30 is to cut while cutting the steel sheet blade (6) to the wire bundle.

When the bead steel wire is completely cut, the iron plate blade 6 is returned to its original position.

Further, in order to cut the opposite side of the tire, the control switch 55 is driven to rotate the turntable, and if the above operation is repeated, the opposite side of the tire 1 can be cut.

As described above, according to the tire bead cutting machine according to the present invention, even a single worker can easily handle the tire, and the machine can be easily manufactured to greatly increase safety and efficiency when cutting the steel wire bundle at the tire bead portion. It can be effective.

In addition, the tire bead cutter has a base and a turn table on which a plurality of rollers are tightly mounted, so that a part of the cut tire is not easily caught between the rollers.

Further, in order to cut the other side of the tire, the operator can turn the motor for the turntable control to rotate at a desired angle without holding and turning the tire by hand.

Claims (4)

delete A base 3 for horizontally arranging tires, a main frame 11 fixed to the base 3, and a horizontal guide 16 of the main frame 11 can move freely. A horizontal moving part 18 to be installed, a vertical guide 14 fixed to the horizontal moving part 18 and extending in a vertical direction, and a cutting part 100 moving vertically along the vertical guide 14. ), And a hydraulic pump 9 for applying hydraulic pressure to the cutting part 100, The cutting portion 100 has a ball bush (15) attached to the side, the body 19 is free to move along the vertical guide (14), and is fixed to the body (19) to the vertical direction A hydraulic cylinder (5) which is operated by the hydraulic pump (9) and a steel plate blade (6) connected to the hydraulic cylinder (5) and freely movable in the vertical direction, and a blade support for fixing the blade (6). In the tire bead cutting machine consisting of (7), A circular turn table 50 is provided at the center of the base 3, and a plurality of rollers 4 are densely mounted on the upper surfaces of the base 3 and the turn table 50. , Inside the base 3, a turn table control motor 55 for rotating the turn table 50 is turned by a chain coupling 56 and a gear box 57. Tire bead cutter, characterized in that connected to the installation. The method of claim 2, The vertical movement of the cutting unit 100 is operated by the hydraulic cylinder 17 driven by the hydraulic pump 9, the horizontal movement of the cutting unit 100 along the horizontal guide 16 is made by the motor 10 Tire bead cutting machine. The method of claim 3, The vertical bead and horizontal movement of the cutting unit 100 and the rotary movement of the turn table 50 is a tire bead cutter that is remotely controlled by the control switch 30 pulled out of the outside.

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