JPH06170263A - Finely segmenting method of waste tire - Google Patents

Abstract

PURPOSE:To provide the finely segmenting method of waste tires at the time of effectively utilizing the waste tires as fuel. CONSTITUTION:The waste tire 22 transported in a posture of a traveling state is detained to a positioning end and is cut along its inner peripheral edge to a sharp angle at a required angle from the tread surface of the waste tire 22 on the rear side in the part slightly lower than the perpendicular normal of the waste tire 22 at the positioning end. The upper part of the waste tire 22 is pressed at the front end of the cut part on the rear side of the waste tire 22 after the cutting, by which this part is guided to a lower biting roller part 10. The inside surface of the waste tire 22 is then expanded downward to a projecting arc shape with this inside surface as the front surface by this biting roller part 20. The expanded waste tire 22 is longitudinally cut to many band-shaped plates by means of two stages of upper and lower comb-shaped cutters 15. These band-shaped plates are transversely cut at a require length to fine pieces.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the field of cutting and relates to a method for slicing old tires for various automobiles.

[0002]

2. Description of the Related Art In order to reduce old tires discarded from automobiles as fuel, the applicant of the present application has a prior invention of 1992, Japanese Patent Application No. 234277 (method for fragmenting old tires). However, the present invention relates to improvement of the vertical cutting of the old tire in the above-mentioned prior art.

[0003]

DISCLOSURE OF THE INVENTION According to the present invention, an old tire is sliced in a single section, a horseshoe-shaped cross section is developed in an arc shape from the tip of the cut end, and a vertical piece is cut in the expanded state to form a strip of an old tire. It provides a fragmentation method.

[0004]

Means for Solving the Problems The method for fragmenting an old tire of the first invention is (1) locking an old tire conveyed in a running posture at a positioning end, and (2) at the positioning end. Slightly below the vertical line of the old tire, cut at a required angle from the tread surface of the old tire over the inner peripheral edge at an acute angle, and (3) cut the tip of the rear side of the old tire after cutting into the upper part of the old tire. By pressing, it guides to the lower biting roller part, and (4) the inner surface of the old tire is taken as the upper surface by the biting roller part, and the inner surface is expanded downward in a convex arc shape, and (5) development The old tire thus obtained is vertically cut into a large number of strip-shaped plates with a comb blade-shaped cutter having two upper and lower stages, and (6) then, the strip-shaped plates are horizontally cut into a required length to obtain strips.

The method for fragmenting old tires of the second invention is as follows:
(1) Lock the old tire conveyed in the running position at the positioning end, and (2) slightly below the vertical normal line of the old tire at the positioning end, at a required angle from the tread surface of the old tire. Cutting over the inner peripheral edge in an acute angle, (3) by pressing the front side cut end of the old tire after cutting by pressing the upper part of the old tire, guide it to the lower biting roller portion,
(4) With the inner surface of the old tire as the upper surface at the biting roller portion, the inner surface is expanded downward in a convex arc shape, and (5) The expanded old tire is expanded with two upper and lower comb-blade cutters. Vertically cut into strips of, (6) then, transversely cut the strip to the required length,
It is a strip.

The method for fragmenting old tires of the third invention is (1)
The old tire conveyed in the running state is locked to the positioning end, and (2) slightly rearward of the vertical end of the old tire at the positioning end, at an acute angle from the tread surface of the old tire at a required angle. By cutting along the inner peripheral edge, (3) the tip of the rear side cut end of the old tire after cutting is pressed to the upper part of the old tire to guide it to the lower biting roller part, and (4) the old biting roller part. With the inner surface of the tire as the lower surface, the inner surface is developed in a convex arc shape upward, and (5) the developed old tire is vertically cut into a large number of strip-shaped plates with upper and lower two-stage comb blade-shaped cutters, ( 6) Next, the strip-shaped plate is laterally cut to a required length to form a strip.

The method of fragmenting an old tire of the fourth invention is (1)
The old tire conveyed in the running posture is locked at the positioning end, and (2) slightly below the vertical normal line of the old tire at the positioning end, in an acute angle at a required angle from the tread of the old tire. By cutting along the inner peripheral edge, (3) the front end of the cut end of the old tire after cutting is pressed to the upper part of the old tire to guide it to the lower biting roller section, and (4) the old biting roller section. With the inner surface of the tire as the lower surface, the inner surface is developed into a convex arc shape, and (5) the developed old tire is vertically cut into a large number of strip-shaped plates with upper and lower two-stage comb blade-shaped cutters, ( 6) Next, the strip-shaped plate is laterally cut to a required length to form a strip.

The method of fragmenting an old tire of the fifth invention is (1)
At the positioning end of the old tire conveyed in the running state, the bottom part is placed on the cradle, (2) the cradle is raised, and the old tire is sandwiched between the upper positioning end and the cradle,
(3) The rear end of the upper positioning end is aligned with the vertical normal line of the old tire, and slightly rearward of the rear end, cut from the tread surface of the old tire over the inner peripheral edge at a required angle in an acute angle, ) The tip of the cut end of the old tire after cutting is guided to the upper biting roller section by raising the pedestal, and (5) the inner surface of the old tire is made the lower surface by the biting roller section and the inner surface is projected upward. (6) Vertically cut the developed old tire into a number of strips with two upper and lower comb blade-shaped cutters, and (7) then strip the strips to the required length. It is cut into strips.

[0009]

The old tire is positioned and locked through the tread surface on the side opposite to the side that is separated and cut in an acute angle with respect to the vertical normal in the running state of the old tire. Further, since the inner surface of the old tire is developed in an arc shape, the resistance from the shoulder portion of the old tire is small, and the load on the roll for developing is reduced. Further, the comb-blade-shaped cutters arranged in two steps are vertically cut into strip-shaped plates having a required width while sandwiching old tires developed in an arc shape from the front and back surfaces.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to an embodiment as shown in FIG. 3, a pedestal 4 having a V-shaped cross section is provided at the tip of the transfer conveyor 3, the upper end of the oblique side 5 on the left side is arranged at substantially the same level as the transfer surface at the transfer end of the transfer conveyor 3, and The slanted side 6 is longer than the slanted side 5 on the left side, and the pedestal 4 is guided up and down to the rod 8 by the elevating means 7 by a chain. On the other hand, the biting roller portion 10 arranged above the pedestal 4 with the wheel-slicing cutting means 9 interposed therebetween is provided with a support frame 11
A feed roller 13 arranged at the rear end of the upper part of the above, a pair of upper and lower deploying rollers 14 arranged sequentially from the roller 13 toward the front end, and a comb-blade-shaped cutter 15 arranged in two upper and lower stages, The cutter 15 is followed by a pair of upper and lower biting rollers 16 arranged in a large number of rows at a required pitch, and a holding plate 12 arranged below the expanding roller 14 as an upper positioning end of the old tire 22. Side deployment roller 14
And the lower roller group of the bite roller 16 are driven, and the upper deploying roller 14 and the upper roller group of the bite roller 16 are rotatably and vertically supported by a required pressing force. As shown in FIG. 2, the upper cutter 15 has a drum-shaped upper blade 15 and a plurality of cutting blades 17 having different diameters attached to a rotary shaft 18, and the lower blade 15 has a drum-shaped diameter. A large number of cutting blades with different 1
9, the cutting blades 17 arranged in the shape of a drum are overlapped with their side surfaces in a close proximity, and are pivotally attached to the rotary shaft 20. The holding plate 12 has its rear end at the center of the pedestal 4. It is arranged on a vertical line passing therethrough. Biting roller section 1
In front of 0, a cutting blade 21 for transverse cutting is arranged.

The cutting device a for cutting old tires according to the present invention, which is constructed as described above, has a structure in which old tires 22 are mounted on the conveyor 3.
Place the tread of, and guide the sidewall to the left and right guide rollers 2 and slide it into the cradle 4 from the short oblique side 5 on the left,
The old tire 22 placed on the pedestal 4 is pulled up by the elevating means 7 and abuts on the holding plate 12, and is sandwiched between the holding plate 12 and the pedestal 4. In this state, the old tire 22 is cut off from both sides by the wheel-cutting means 9 and the pressing plate 12 is cut.
From the cutting point 23 on the tread slightly rearward from the rear end,
As shown in FIG. 3, substantially parallel to the vertical normal line 24 passing through the axis of the old tire 22 (that is, required from the cutting point 23 to the normal line 30 of the old tire 22 passing through the cutting point 23). When the pedestal 4 is further raised after cutting, the left cutting portion 25 of the old tire 22 rises as shown by the phantom line in FIG. The tip of the cut end of the portion 25 is drawn in by the feeding roller 13, then fed to the pair of upper and lower deploying rollers 14, and when the entire surface of the left side cutting portion 25 is completely bitten by the deploying roller 14, the raising of the pedestal 4 is stopped. The right side cutting portion 26
The cradle 4 is lowered to the descending end after the cradle 4 is separated from the cradle 4. The old tire 22 bitten by the expanding roller 14 and expanded in an arc shape on both sides is vertically cut into a required number of strip-shaped plates 27 by the next pair of upper and lower comb blade-shaped cutters 15 as shown in FIG. Then, each strip-shaped plate 27 is guided to each biting roller 16, and is cut into strips 28 of a required length by a cutting blade 21 for transverse cutting arranged in front of the biting roller portion 10 as shown by an imaginary line. Then, the entire circumference of the old tire 22 is processed into pieces.

During the above-mentioned operation, the cradle 4 lowered to the lower end has the following old tires 22 mounted thereon, and is successively subjected to fragmentation processing in the manner described above.

Next, a description will be given of an embodiment of the method for fragmenting old tires of the present invention shown in FIG. 5, in which the old tires 22 conveyed on the conveyor 3 in the running state are positioned at the positioning end 3
Old tire 22 at the positioning end 33.
Slightly below and below the vertical normal of the old tire 22
Is cut over the inner peripheral edge at a required angle from the tread surface, and the tip of the rear side cut end of the old tire 22 after cutting is pressed against the upper portion of the old tire 22 by the pressing plate 31 to lower the bite roller portion. 10 and guides the biting roller portion 10
With the inner surface of the old tire 22 as the upper surface, the inner surface of the old tire 22 is expanded downward in a convex arc shape, and the expanded old tire 22 is arranged in a two-tiered upper and lower comb-shaped cutter 15. The strip-shaped plate 27 is longitudinally cut, and the cut strip-shaped plate 27 is guided by the biting roller 16 and cut into strips 28 of a required length by the cutting blade 21 for transverse cutting at the tip.

FIG. 6 shows the case where the wheel cutting cutting position of the old tire 22 at the positioning end 33 is slightly forward of the vertical normal, and after wheel cutting, it is the same as that shown in FIG. By pressing the upper portion of the old tire 22 with the pressing plate 31, the tip of the cut end is guided to the lower biting roller portion 10, and the inner surface of the old tire 22 is used as the upper surface to expand the roller 14.
With this, it is expanded in a downward convex arc shape, and is vertically cut into a large number of strip-shaped plates 27 from the upper and lower surfaces by the upper and lower two-stage comb blade-shaped cutters 15, and the cut strip-shaped plates 27 are cut by the biting roller 16. It is guided to the cutting blade 21 at the tip and is cut by the cutting blade 21 into strips 28 of a required length.

Further, the one shown in FIG. 7 is one in which the tip end of the cut end of the old tire 22 is guided to the lower biting roller portion 10 through the reversing means 32 in the method shown in FIG. The inner surface of the old tire 22 faces downwards,
It is developed in an upward convex arc shape and is similarly cut into strips 28.

Next, FIG. 8 shows that the tip end of the cut end of the old tire 22 is guided to the lower biting roller portion 10 through the reversing means 32 in the method shown in FIG.
Therefore, the inner surface of the old tire 22 faces downward, is developed in an upward convex arc shape, and is similarly cut into strips 28.

In the method for fragmenting old tires shown in FIGS. 5 to 8, since the vertical normal position of the old tire 22 must be kept constant, the positioning end 33 has the diameter of the old tire 22. The fulcrum of the progressive feed stopper 34 can be adjusted according to the size.

As described above, according to the present invention, the old tire 2
Since the vertical cutting and the horizontal cutting of No. 2 are processed in a series of the flow of the bite roller unit 10, a troublesome process such as posture control is unnecessary, and moreover, the vertical cutting can be performed in an arc-shaped expanded state. As a result, the entire device is labor-saving and is provided in a compact size.

[0019]

EFFECT OF THE INVENTION According to the method for fragmenting old tires of the present invention, it is a very low running cost method of laterally cutting into strips on a line vertically cut into a large number of strips, and Since the unfolding posture of the horseshoe-shaped cross section at the time of vertical cutting is an arcuate posture, the unfolding force is reduced, and there is an effect that the entire device can be labor-saving and compact.

[Brief description of drawings]

FIG. 1 is a schematic mechanical view of an old tire cutting device a using the present invention.

FIG. 2 is an explanatory diagram of a comb-shaped cutter.

FIG. 3 is an explanatory view of cutting from a tread surface of an old tire toward an inner peripheral edge by a wheel cutting cutting means.

FIG. 4 is a partial plan view showing a vertically cut state of a deployed old tire.

FIG. 5 is a schematic mechanism diagram of fragmentation processing of an old tire using the present invention.

FIG. 6 is a schematic mechanism diagram of fragmentation processing of an old tire using the present invention.

FIG. 7 is a schematic mechanism diagram of fragmentation processing of an old tire using the present invention.

FIG. 8 is a schematic mechanism view of fragmentation processing of an old tire using the present invention.

[Explanation of symbols]

 1 Conveyance Frame 2 Guide Roller 3 Conveyor Conveyor 4 Receiving Stand 7 Lifting Means 9 Slitting Cutting Means 10 Biting Roller Part 11 Supporting Frame 12 Holding Plate 13 Feeding Roller 14 Deploying Roller 15 Cutter 16 Biting Roller 17 Cutting Blade 18 Rotating Shaft 19 Cutting blade 20 Rotating shaft 21 Cutting blade 23 Cutting point 25 Left side cutting part 26 Right side cutting part 27 Strip plate 28 Strip 30 Normal line 31 Pressing plate 32 Reversing means 33 Positioning end 34 Stopper a Cutting device for old tires.

Claims (5)

[Claims] (1) An old tire conveyed in a running posture is locked to a positioning end, and (2) a tread surface of the old tire slightly rearward of a vertical normal line of the old tire at the positioning end. From the cut to the inner peripheral edge in a sharp angle at a required angle from, (3) by guiding the rear side cut tip of the old tire after cutting to the upper part of the old tire to guide it to the lower biting roller portion, 4) With the inner surface of the old tire as the upper surface at the biting roller portion, expand the inner surface downward in a convex arc shape, and (5) expand the old tire with a comb-blade-shaped cutter in two upper and lower stages. A method for slicing old tires into vertical strips (6) and then laterally cutting the strips to a required length to obtain strips. 2. An old tire conveyed in a running posture is locked to a positioning end, and (2) a tread surface of the old tire slightly forward of and below the vertical normal line of the old tire at the positioning end. From the cut to the inner edge in a sharp angle at a required angle from (3), by pressing the front end of the cut end of the old tire after cutting to the upper part of the old tire, it is guided to the lower biting roller portion, ( 4) With the inner surface of the old tire as the upper surface at the biting roller portion, expand the inner surface downward in a convex arc shape, and (5) expand the old tire with a comb-blade-shaped cutter in two upper and lower stages. A method for slicing old tires into vertical strips (6) and then laterally cutting the strips to a required length to obtain strips. 3. (1) An old tire conveyed in a running posture is locked to a positioning end, and (2) a tread surface of the old tire slightly rearward of a vertical normal line of the old tire at the positioning end. From the cut to the inner peripheral edge in a sharp angle at a required angle from, (3) by guiding the rear side cut tip of the old tire after cutting to the upper part of the old tire to guide it to the lower biting roller portion, 4) With the inner surface of the old tire as the lower surface at the biting roller portion, expand the inner surface into a convex arc shape, and (5) expand the old tire with a comb-shaped cutter that has two upper and lower tiers. A method for slicing old tires into vertical strips (6) and then laterally cutting the strips to a required length to obtain strips. 4. An old tire conveyed in a running posture is locked at a positioning end, and (2) a tread surface of the old tire is located slightly below and in front of a vertical normal line of the old tire at the positioning end. From the cut to the inner edge in a sharp angle at a required angle from (3), by pressing the front end of the cut end of the old tire after cutting to the upper part of the old tire, it is guided to the lower biting roller portion, ( 4) With the inner surface of the old tire as the lower surface at the biting roller portion, expand the inner surface into a convex arc shape, and (5) expand the old tire with a comb-shaped cutter that has two upper and lower tiers. A method for slicing old tires into vertical strips (6) and then laterally cutting the strips to a required length to obtain strips. 5. (1) An old tire conveyed in a running posture is placed at a positioning end with a bottom portion thereof mounted on a cradle,
(2) Raise the pedestal, sandwich the old tire between the upper positioning end and the pedestal, (3) align the rear end of the upper positioning end with the vertical normal line of the old tire, and from the rear end Slightly rearward, cut from the tread surface of the old tire over the inner peripheral edge at a required angle in a sharp angle, and (4) raise the pedestal of the cut tip of the old tire to the upper biting roller part. (5) The inner surface of the old tire is taken as the lower surface by the biting roller portion, and the inner surface is expanded in a convex arc shape, and (6) the expanded old tire is formed into two upper and lower comb blades. A method for slicing old tires into vertical strips with a cutter, and (7) cutting the strips laterally to a required length to obtain strips.