KR20060058224A - Root Crusher - Google Patents

Abstract

The present invention relates to a shredding device that is finely cut to a predetermined size in order to recycle all the waste wood from the construction / civil waste materials or tree trunks to roots to compost, synthetic wood and the like. Looking at the configuration, the partition plate is formed in the upper and lower portions formed on the boundary surface corresponding to each other, the fastening plate 12 and the insertion groove 12a (12a ') is formed to be inclined, the hopper 14 parallel to the fastening plate 12 on the top Is installed, the main body 10, 10 'is provided with a plurality of auxiliary plates 16 inside; First and second drive shafts respectively installed in the insertion grooves 12a and 12a 'of the main bodies 10 and 10' and driven forward and reverse and driven at different rotational speeds by the reduction ratio of the spur gear G. (20) (20 '); And the first and second drive shafts 20, 20 'interlocked with each other by a fixed ring 22 is maintained at a constant interval, and the vertical blade 32 and the cutting blade 34 on the outer peripheral surface is provided detachably It characterized in that it comprises a cutting cutter (30).

Accordingly, a pair of drive shafts parallel to each other are provided in a staggered manner, and a corresponding hopper is formed to be inclined to facilitate the introduction of waste wood, and a sharp vertical blade and a cutting blade are detachably mounted to the cutting cutter. Not only has excellent crushing performance, but also has the effect of easy maintenance according to the wear of the blade.

Drive shaft, reducer, spur gear, coupling, vertical blade, cutting blade, root

Description

Root crush device

1 is a block diagram showing a conventional root crusher from the side.

Figure 2 is a front view showing the root shredder as a whole according to the present invention.

Figure 3 is an exploded perspective view showing the decomposition of the root crusher according to the present invention.

4 is a cross-sectional view taken along the line AA ′ of FIG. 2.

FIG. 5 is a cross-sectional view taken along line BB ′ of FIG. 2. FIG.

Figure 6 is a perspective view showing a state in which a cutting cutter is installed on the drive shaft according to the present invention.

Figure 7 is a schematic view showing a cutting cutter according to the invention as a whole.

Explanation of symbols on the main parts of the drawings

10, 10 ': main body 12: fastening plate

12a, 12a: Insertion groove 14: Hopper

16: auxiliary plate 20, 20 ': 1st, 2nd drive shaft

22: retaining ring 30: cutting cutter

31: Vertical blade holder 32: Vertical blade

33: cutting blade holder 34: cutting blade

The present invention relates to a shredding device, and more particularly, to install a pair of drive shafts parallel to each other, and to form a hopper corresponding to it inclined to facilitate the introduction of the waste wood, and sharply perpendicular to the cutting cutter The blade and the cutting blade is detachably mounted to the root crushing device that is excellent in crushing performance as well as easy to maintain according to the wear of the blade.

In general, the shredding device is a device for shredding all the waste wood from the construction / civil waste materials or tree trunks to roots to recycle to compost, synthetic wood and the like. The shredding device has a plurality of cutting edges interposed on the outer circumferential surface of the cutting drum rotating at high speed, and is mainly manufactured to shred relatively soft waste wood such as construction / civil waste materials, tree trunks and branches. Accordingly, waste wood such as tree roots or branches with heavy foreign matters such as soil and stones, which are collected at construction / engineering foundation works, are finely crushed to a predetermined size by a dedicated root crusher.

1 is a block diagram showing a conventional root crusher from the side.

In Fig. 1, the conventional shredder C includes a main body 1 having a hopper H at its upper end, two drive shafts 2 installed on the main body 1 and rotated in opposite directions by a motor, and a drive shaft. The main configuration includes a plurality of rotating plates 3 which are staggered so as to be engaged with each other at 20, and a crimping blade 3a formed at regular conformal angles on the circumferential surface of the rotating plate 3. In operation, the rotation of the motor The drive shaft 2 is rotated forward and backward to each other, and the crimping blades 3a of the rotary plate 3 are rotated so as to intersect with each other to crush hard hardwoods such as tree roots fed into the hopper H, and then move downwards. Discharge it.

More specifically, the waste wood introduced through the hopper (H) is crushed in a manner that is pinched between the cutting blades (3a) intertwined with each other, as if cutting off with an ax, wherein the hopper (H) is the main body (1) Opening to the top of the waste wood is bulky and thick if it is difficult to add, as well as the waste wood is difficult to pull in between the rotating plate (3). In addition, even if the cutting blade (3a) is pulled in, the operation of the crusher (C) is momentarily stopped by being caught between the rotating plate (3) to prevent the rotation of the drive shaft (2) in the unopened state, resulting in the reduction gear And a case where the motor burns out or the bearing supporting the drive shaft 2 does not bear the load and is broken.

In addition, the wood roots such as tree roots are not only hard and tough tissue, but also the cutting edge (3a) that breaks down the wood waste as it is taken from the ground and put into the hopper containing the foreign matter such as soil or stone is dull easily . At this time, since the pressing blade 3a is integrally formed with the rotating plate 3, in order to replace the pressing blade 3a, the main body 1 and the drive shaft 2 of the crusher C are completely disassembled, and then the rotating plate 3 itself. The replacement is followed by the closure of additional time and cost for maintenance.

Accordingly, the present invention has been devised in view of the above-mentioned point, more specifically, a pair of drive shafts parallel to each other are intersected, and the corresponding hopper is inclined to facilitate the introduction of waste wood, It is also an object of the present invention to provide a root shredding device in which a sharp vertical blade and a cutting blade are detachably mounted on the cutting cutter, thereby providing excellent breaking performance and easy maintenance according to wear of the blade.

In order to achieve the above object, the present invention provides a shredding device that is finely cut to a predetermined size to recycle all waste wood from construction / engineering waste materials or tree trunks to roots as compost, synthetic wood, etc .: Fastening plate 12 and the insertion groove 12a (12a ') is formed to be inclined at the interface corresponding to each other, but the hopper 14 is installed in parallel with the fastening plate 12 at the top, a plurality of auxiliary plates ( Main body 10 and 10 'provided with 16; First and second drive shafts respectively installed in the insertion grooves 12a and 12a 'of the main bodies 10 and 10' and driven forward and reverse and driven at different rotational speeds by the reduction ratio of the spur gear G. (20) (20 '); And the first and second drive shafts 20, 20 'interlocked with each other by a fixed ring 22 is maintained at a constant interval, and the vertical blade 32 and the cutting blade 34 on the outer peripheral surface is provided detachably It characterized in that it comprises a cutting cutter (30).

At this time, the cutting cutter 30 is a key groove (30a) formed at different conformal angles so as to be helically installed on the first and second drive shafts (20, 20 '), protruding to the outer peripheral surface of the cutting cutter 30 stop groove (31a) between the vertical blade holder 31, which is provided with the groove 31b, the vertical blade 32, the vertical blade 32, which is bolted to the vertical blade holder 31 to form a step 32a at the rear The cutting blade holder 33 having the nut groove 33a and the cutting blade 34 having the circumferential surface having an inclined angle by being bolted to the nut groove 33a of the cutting blade holder 33 are recessed on both sides. Characterized in that it is provided.

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

Figure 2 is a front view showing the root shredder according to the invention as a whole, Figure 3 is an exploded perspective view showing the decomposition of the root shredder according to the present invention, Figure 4 is a cross-sectional view taken along the line AA 'of Figure 2, FIG. 5 is a cross-sectional view taken along line BB ′ of FIG. 2.

The present invention relates to a shredding device that is finely cut to a predetermined size in order to recycle all the waste wood from the construction / civil waste materials or tree trunks to roots to compost, synthetic wood and the like. The present invention provides the first and second drive shafts 20 and 20 'parallel to each other in the insertion grooves 12a and 12a' of the main body 10 and 10 ', and the first and second drive shafts 20 ( The cutting cutters 30 are interlaced with each other at regular intervals, and the cutting cutters 30 rotate vertically and reversely with the vertical blades 32 and the cutting edges 34 facing each other in a spiral manner. At this time, the cutting cutter 30 is provided in plural (for example, about 6 to 16 places) in consideration of the maximum torque and processing capacity of the crusher C, and each of these cutting cutters 30 has a constant equivalence (eg, quantity / 360). °) is installed in a spiral so that it is maintained. The main body 10, 10 'according to the present invention is divided into the upper and lower parts to form a fastening plate 12 and the insertion groove 12a (12a') on the interface corresponding to each other inclined, the fastening plate 12 on the top The hopper 14 is provided in parallel with and the some auxiliary plate 16 is provided inside. The main bodies 10 and 10 'are manufactured by molding molten metal into a mold or by welding or bolting an iron plate cut to a predetermined size. As shown in FIG. 3, the main body 10, 10 ′ is divided into an upper main body 10 and a lower main body 10 ′, and fastening plates 12 are formed on the interface to be engaged with each other. The fastening plate 12 is formed on the corresponding surface of the upper and lower bodies 10 and 10 'so as to be inclined at a predetermined inclination angle (for example, about 30 to 40 degrees), and the upper and lower bodies through the fastening plate 12. (10) (10 ') is integrally bolted. At this time, the pair of insertion grooves 12a and 12a 'provided on the fastening plate 12 of the upper and lower bodies 10 and 10' are respectively formed in a semicircular shape, so that the first and second driving shafts 20 to be described later will be described later. By supporting both ends of the 20 ', the installation positions of the first and second driving shafts 20 and 20' form the same inclination angle as the fastening plate 12.

 At this time, the upper body 10 is installed at the top of the hopper (14) into which the waste wood is introduced, and a plurality of auxiliary plates 16 are spoken therein. Hopper 14 is a funnel structure that narrows from the top to the bottom, the bottom is inclined to be parallel to each other with the fastening plate 12, the inlet of the hopper 14 is inclined to the side, easy to insert the waste wood advantage There is this.

In addition, the auxiliary plate 16 is speeched at regular intervals on both inner ends of the upper body 10, as shown in Figure 4 cutting cutters of the first and second drive shafts 20, 20 ' 20) It serves to remove wood chips (not shown) remaining between them.

In addition, the first and second drive shafts 20 and 20 'according to the present invention are respectively installed in the insertion grooves 12a and 12a' of the main body 10 and 10 'and rotate forward and reverse, and spur gears ( It is driven at different rotational speeds by the reduction ratio of G). The first and second drive shafts 20 and 20 'are rotatably installed in the insertion grooves 12a and 12a' of the main bodies 10 and 10 'with bearings interposed at both ends as shown in FIG. The first driving shaft 20 is positioned below the second driving shaft 20 ′ by the inclination angle of the plate 12. The first drive shaft 20 is provided with a coupling P directly connected to the reducer R or the motor M at one end thereof to transmit a driving force, and to the other end of the first and second drive shafts 20 and 20 ′. Gear G is installed and interlocked with each other. At this time, the spur gear G rotates the first and second drive shafts 20 and 20 'forward and backward at different rotation speeds at a reduction ratio of about 2: 1, and is described later through the key K interposed on the outer circumferential surface. The cutting cutter 30 is driven.

In addition, the cutting cutter 30 according to the present invention is interleaved on the first and second drive shafts 20, 20 'is maintained by a fixed ring 22, and the vertical edge 32 and the outer peripheral surface Cutting blade 34 is provided detachably. The cutting cutter 30 is installed to face each other on the first and second drive shafts 20 and 20 ', and the fixed cutter 22 is interposed between the cutting cutters 30 to rotate in a zigzag shape. At this time, the cutting cutter 30 is mounted on the outer circumferential surface of the vertical blade 32 and the cutting blade 34 to be detachably attached to the top, bottom, left and right directions to crush the waste wood, according to the detailed description of the cutting cutter 30 will be described later. It demonstrates through 6-7.

6 is a perspective view showing a state in which a cutting cutter is installed on the drive shaft according to the present invention, Figure 7 is a block diagram showing the cutting cutter according to the invention as a whole.

In FIG. 6, the cutting cutter 30 protrudes from an outer circumferential surface of the key groove 30a and the cutting cutter 30 which are formed at different conformal angles so as to be helically installed on the first and second driving shafts 20, 20 ′. Vertical blade holder 31 having a stop groove 31a and a recess 31b, a vertical blade 32 having a stepped portion 32a formed on the rear side thereof by being bolted to the vertical blade holder 31, and a vertical blade 32. Cutting blade holder 33 having a nut groove 33a and bolted to the nut groove 33a of the cutting blade holder 33 by recessing both surfaces in a concave shape between the cutting blade 34 having a circumferential surface having an inclined angle. ) Is provided. The cutting cutter 30 has a key groove 30a formed at different equiangular angles (for example, water quantity / 360 °) in the center thereof, and meshes with the keys K of the first and second drive shafts 20 and 20 'to be helically spoken. The two vertical blade holders 31 are formed at intervals of 180 degrees on the outer circumferential surface.

At this time, the vertical blade holder 31 is protruded in the form of a claw on the outer peripheral surface of the cutting cutter 30, as shown in Fig. 7 is mounted. The vertical blade holder 31 is bolted by forming a through hole 31c at a position where the rear surface of the vertical blade 32 abuts, and the lower end of the vertical blade 32 is inserted into the circumferential surface of the cutting cutter 30 to dry. The stop groove 31a is formed to be secured. In addition, the groove 31b and the step 32a are formed on the surface where the vertical blade holder 31 and the vertical blade 32 correspond to each other, which induces that the vertical blade 32 is seated in the correct position. There is an advantage of preventing the flow and departure of the vertical blade 32 during the shredding operation.

In addition, the vertical blade 32 serves to crush the waste wood introduced through the hopper 14 to the cutting cutter 30 and at the same time. The vertical blade 32 is used by heat-treating the SKD material to a hardness of about HRC50 so as not to be easily damaged by the instant impact as well as minimizing wear due to repeated use of the cutting cutter. At this time, the vertical blade 32 is mounted to be inclined in the rotational direction of the cutting cutter 30 to the front end of the vertical blade 32 in order to easily draw the waste wood introduced into the hopper 14 between the cutting cutter 30. desirable.

In addition, a pair of cutting blade holder 33 is formed on the circumferential surface between the vertical blade holder 31 formed in the cutting cutter 30 at intervals of 180 degrees. The cutting blade holder 33 is recessed at a predetermined depth on both sides of the cutting cutter 30, and a plurality of nut grooves 33a are formed to bolt the cutting blade 34 to the bolt. The cutting blade 34 is made of a SKD material heat treated to a hardness of about HRC50, similar to the vertical blade 32, and serves to cut the waste wood that is taken in and pulled by the vertical blade 32 during the crushing operation. At this time, the cutting blade 34 is formed such that the curved surface having the same diameter as the circumferential surface of the cutting cutter 30 is inclined inward, as shown in the enlarged view of FIG. 7, thereby improving cutting / crushing performance.

As such, the cutting cutter 30 has the vertical blades 32 and the cutting blades 34 detachably installed in a bolted manner, so that the blades 32 and 34 are blunted or impacted during crushing waste wood. Even if it is damaged due to partial replacement, as well as the replacement work is made quickly, the time and cost loss caused by the maintenance is significantly reduced.

The use of the root crusher will be described with reference to FIGS. 2 to 7.

First, after checking the wear state of the vertical blade 32 and the cutting blade 34 on the cutting cutter 30 of the crusher C, replace the damaged blade, and operate the power switch (not shown) to drive the motor (M). And the first and second drive shafts 20 and 20 'are coupled to each other at a 2: 1 reduction ratio by the spur gear G by the operation of the speed reducer R and the cutting edge 30 of the cutting cutter 30 and the cutting edge. Rotating (34), wherein the vertical blade 32 and the cutting blade 34 are installed to correspond to each other in a helical rotation and interlocked sequentially. Subsequently, when the waste wood is introduced through the hopper 14, the vertical blade 32 cuts the waste wood into the cutting cutter 30 and at the same time, the cutting blade 34 crushes the waste wood into a predetermined size and is discharged downward. The finely crushed waste wood is then transferred to a predetermined position by a conveyor (not shown) or stored finely through a pulverizer and recycled into compost or synthetic wood.

At this time, the first and second drive shafts 20 and 20 'are driven at different rotational speeds, so that the vertical blades 32 of the second drive shaft 20' which rotate at low speeds are fixed so as not to slip by sliding the waste wood. As the vertical blade 32 and the cutting blade 34 of the rotating first drive shaft 20 crush / cut the waste wood, the crushing performance is improved and there is an advantage of preventing damage to the crusher due to overload.

Meanwhile, the vertical blade 32 and the cutting blade 34 of the cutting cutter 30 are rubbed with foreign matter such as soil or stone during the operation of crushing the waste wood, and when the shredder C is stopped, the vertical blade is stopped. Loosen the bolts of the holder 31 or the cutting blade holder 33, partially replace the damaged blade, and repeatedly performs the above operation to break up the waste wood.

It is apparent to those skilled in the art that the present invention is not limited to the described embodiments, and that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to belong to the claims of the present invention.

As described above, the present invention is provided with a pair of drive shafts parallel to each other, while the corresponding hopper is formed to be inclined to facilitate the introduction of waste wood, and a sharp vertical blade and a cutting blade to the cutting cutter Detachable mounting is excellent in breaking performance as well as easy maintenance according to the wear of the blade, there is a useful effect.

Claims (2)

In a shredding device that cuts all the waste wood from construction / civil waste materials or tree trunks to roots into small pieces to be recycled into compost, synthetic wood, etc .: The fastening plate 12 and the insertion grooves 12a and 12a 'are formed to be inclined on the boundary surfaces corresponding to the upper and lower parts, and the hopper 14 is installed in parallel with the fastening plate 12 at the upper end thereof. Body 10 (10 ') which is provided with a plurality of auxiliary plate (16); First and second drive shafts respectively installed in the insertion grooves 12a and 12a 'of the main bodies 10 and 10' and driven forward and reverse and driven at different rotational speeds by the reduction ratio of the spur gear G. (20) (20 '); And The first and second drive shafts 20 and 20 'are interleaved with each other and are held at regular intervals by the fixing ring 22, and a vertical blade 32 and a cutting blade 34 are detachably provided on the outer circumferential surface thereof. Root crushing device comprising a; cutting cutter (30). The method of claim 1, The cutting cutter 30 is protruded to the outer peripheral surface of the key groove (30a), the cutting cutter 30 is formed at different angles so as to spirally installed on the first and second drive shafts (20, 20 '), the stop groove (31a) ) Between the vertical blade holder 31 having the groove 31b and the vertical blade holder 31 which is bolted to the vertical blade holder 31 to form a step 32a at the rear side thereof. A cutting blade holder 33 recessed concave and having a nut groove 33a and a cutting blade 34 bolted to the nut groove 33a of the cutting blade holder 33 to form an inclined angle are provided. Root crusher, characterized in that.

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