KR20020035198A - crush drum of wood crusher - Google Patents

Abstract

PURPOSE: A crushing drum of a wood crusher is provided to enable the process of sawdust, to easily crush wood into a chip, and to reduce the maintenance cost of the wood crusher. CONSTITUTION: The crushing drum of a wood crusher consists of a drum body(10) provided with a connection part(80) connected with a driving motor, and a plurality of mounting grooves(11) on the circumference; cutting tips(40) mounted inside the mounting grooves for crushing input wood into a saw dust form at the same time with the rotating of the drum body; an elongate bracket(20) mounted in the mounting grooves and formed with a plurality of insertion slots to which the cutting tips are inserted; and a short bracket(30) mounted in the mounting grooves and formed with a plurality of insertion slots to which the cutting tips are inserted. The short bracket serves to fix a part of the cutting tip to the drum body.

Description

Crushing drum for wood crusher {crush drum of wood crusher}

The present invention relates to a shredding drum for wood shredders.

The present invention is to easily crush wood in sawdust or chip form with an effective shredding structure.

Sawdust is not only very useful for farming mushrooms, barn yards, orchards, mulching, landscaping, etc. In particular, recently, due to the proliferation of food waste, its treatment is now recognized as a social problem. A large amount of sawdust is required for mixing raw materials for making fertilizers.

To this end, various types of wood shredders have been proposed for supplying a large amount of sawdust to the use.

Among them, FIG. 8 shows a sawdust processing saw 1 used for a conventional wood shredder, and provides a circular saw 2 with a plurality of cutting blades 3 rounded along an outer circumferential surface thereof in an axially overlapping structure. It is becoming.

However, the crushing saw 1 according to the prior art as described above has the following problems. That is, a plurality of cutting blades 3 are formed on the plurality of circular saws 2 forming the conventional crushing saw 1, respectively. However, the working conditions for forming the sawdust is very harsh, so the cutting blade 3 is easily broken. As such, when the cutting blade 3 is broken, there is a problem that the quality of the sawdust is made to fall. Therefore, even if one cutting blade 3 of one circular saw 2 is broken, the circular saw 2 should be replaced. Therefore, there is a problem in that the maintenance cost of the wood crusher is high. In addition, in order to replace the circular saw 2, it is necessary to disassemble the entire crushing saw 1, the work takes a lot of time and has a problem.

In addition, it is difficult to process wood in the form of chips with large particles in addition to sawdust with small particles, so it is pointed out that a wood shredder equipped with a separate chip processing drum for processing chips is also pointed out. have.

The present invention is to improve the structure of the drum to crush the wood in the form of sawdust, as well as to easily crush the wood in the form of chips without replacing the drum, and also the individual cutting of the cutting tip that is in direct contact with the wood If the cutting blade of the cutting tip is broken so that it can be separated, it is possible to easily change the direction of the cutting blade and reuse it without replacing it immediately with other cutters.

To this end, the present invention is provided with a connection portion connected to the drive motor on one side, and a plurality of mounting grooves are rounded in the longitudinal direction of the outer circumference, and the fixing holes are provided on the inner bottom by the inner side of the mounting groove. A drum body formed with the seat grooves formed to face diagonally opposite to the outer circumference thereof, a cutting tip for crushing the wood supplied by being mounted inside the mounting groove with the sawdust at the same time as the drum body is rotated, and the cutting tip A plurality of insertion slots are formed to be inserted, and a long bracket is mounted to the mounting groove, and a plurality of insertion slots are formed to be inserted into the cutting tip and is mounted to the mounting groove to be inserted into the insertion slot of the long bracket. It is a structure that comprises a short bracket for fixing a portion of the cutting tip to the drum body.

1 is a perspective view of the present invention

2 is an exploded perspective view of the present invention

Figure 3 is an exploded perspective view of the present invention excerpts

Figure 4 is an excerpt sectional configuration showing the installation state of the cutting tip of the present invention

Figure 5 is a plan view of the present invention long bracket

Figure 6 is a side cross-sectional view of the shredding drum of the present invention

Figure 7 is a plan view of the present invention short bracket

8 is a perspective view of the present invention cutting tip

9 is a side configuration view showing an installation state of the installation member of the present invention;

10 is a perspective view of the installation member of the present invention

Figure 11 is a side cross-sectional view of the installation member of the present invention

12 is a perspective view of the cutter of the present invention

Figure 13 is a perspective view of a conventional shredding drum.

Explanation of symbols on the main parts of the drawings

10: drum body 11: mounting groove

12: bolt hole 13: seat groove

14: fixing hole 20: long bracket

21: insertion slot 22: bolt hole

30: short bracket 31: insertion slot

32: bolt hole 40: cutting tip

41: tip body 42: cutting blade

50: plate 60: mounting member

61: chip stagnant space 62: installation

63: fastening hole 64: inclined surface

70: cutter

71: coupling hole

The present invention is provided with a connection portion 80 connected to the drive motor on one side and the plurality of mounting grooves 11 are provided in the longitudinal direction of the outer periphery, and the inner side of the mounting groove 11 is mainly contemplated from the middle of one side of the outer periphery. The drum body 10 having a seat hole 13 having a fixed hole 14 formed on the bottom thereof is formed to face the outer circumferentially diagonally and the wood that is mounted and supplied inside the mounting groove 11. Cutting tip 40 for crushing it in the form of sawdust at the same time as the rotation, and a plurality of insertion slots 21 into which the cutting tip 40 is inserted are formed in the elongated bra which is mounted in the mounting groove 11 Kit 20 and a plurality of insertion slots 31 into which the cutting tip 40 is inserted are formed and are mounted in the mounting groove 11 to be inserted into the insertion slot of the long bracket 20. Short bracket 30 for fixing a portion of the 40 to the drum body 10 It is configured contained structure.

The cutting tip 40 is provided in a structure formed by forming a cutting blade 42 for crushing wood on each tip of the plate-shaped tip body 41 having a triangular shape having a thickness.

In addition, the present invention is installed in the seat groove 13 of the drum body 10 in order to easily process the wood in the form of chips without replacing the drum body 10, the fastening hole 63 on one side surface and the center of the longitudinal direction And an installation hole 62 is formed so that a cutter for crushing wood into chips can be installed on the inclined surface 64 and fastening holes 63 formed on both sides to one side of the inclined surface 64 to be crushed. There is provided an installation member 60 having a structure in which a chip stagnant space 61 is formed that can be discharged after stagnant wood of chip form.

In addition, the structural member 70 is installed on the inclined surface 64 of the installation member 60 and formed with a plurality of coupling holes 71 in the longitudinal direction in the center of the rectangular upper surface of the body, and both sides are inclined inwardly toward the bottom. It can be easily broken into chips.

Hereinafter, the crushing drum of the present invention as described above will be described in detail with reference to the accompanying drawings.

The drum body 10 of the present invention is used to effectively crush the wood introduced into the crushing part of the wood crusher while rotating in a state equipped with a plurality of cutting tips 40 to process it in the form of sawdust.

In the cylindrical drum body 10 of the present invention, a plurality of mounting grooves 11 are extended in the longitudinal direction along the outer circumferential surface of the cylindrical body 10 and the mounting groove 11 has a long bracket 20 which will be described below. ) And a plurality of bolt holes 12 for mounting the short bracket 30 are formed, and a connection part 80 for accumulating a driving motor (not shown) is coupled to one end of the center of the drum body 10.

In addition, the mounting groove 11 is fixed to the plurality of cutting tips 40 placed between the long bracket 20 and the short bracket 30 is supported on both sides and the long bracket 20 ) Has a length substantially equal to the length of the mounting groove (11).

In addition, the long bracket 20 has a continuous insertion slot 21 is inserted into a plurality of cutting tips 40 is installed on one side in the longitudinal direction and the long bracket 21 on the upper surface of the long bracket 21 ) Bolt holes 22 for mounting in the mounting groove 11 are formed at equal intervals.

On the other hand, the short bracket 30 is formed relatively short with respect to the length of the long bracket 20, and is about the size of about 1/4 of the long bracket 30, and may vary the length in some cases. .

The reason for making the size of the short bracket 30 smaller than that of the long bracket 20 is that the cutting tip 42 has to be disassembled in order to quickly replace the damaged cutting tip 40. It is to minimize the number of and the number of cutting tips that can be fixed to the short bracket 30 is preferably about four.

This may also be different in some cases, and the insertion slot 31 and the bolt hole 32 to secure the cutting tip 40 on the opposite side of the long bracket 20 is formed of a long bracket Same as the structure of (40).

1 and 4, the mounting groove 11 of the cutting tip 40 and the drum body 10 is damaged in the mounting groove 11 according to the rear support of the cutting tip 40. The plate 50 to prevent the combination is coupled to absorb the repeated impact received by the cutting tip 40 during the wood shredding to relieve the load of the cutting tip 40 to ensure the stability during the wood shredding .

On the other hand, the present invention is a triangular shape having a thickness is divided into equal intervals 120 ° around the tip body 41 is a cutting tip 40 having a cutting blade 42 in three directions at the tip is used in any one of the wood shredding Even if the cutting edge of the blade is damaged or dull, it can be easily reused by simply rotating it.

On the other hand, the present invention does not replace the entire drum body 10 in order to easily process the wood in the form of chips, the seat groove in one side of the mounting groove 11 from the middle of the outer peripheral side of the drum body 10 as a starting point 13 is provided, and a plurality of fixing holes 14 for fixing the installation member 60 are formed on the inner bottom.

The seat groove 13 is formed diagonally opposite to the outer periphery of the drum body 10 and the width of the seat groove 13 is not limited to this, but within the width of the two mounting grooves (11) It is preferable to form.

In addition, the installation member 60 fixed to the inner side of the seat groove 13 has fastening holes at both sides and the center of one side of the upper surface in the longitudinal direction so that the cutter 70 for crushing the wood into chips can be installed on one side of the upper surface. An inclined surface 64 having the 63 and the installation hole 62 is formed, and fastening holes 63 are formed at both sides to one side of the inclined surface 64 so that the crushed chip-shaped wood is not immediately discharged after being crushed and temporarily stagnated. The chip stagnant space portion 61 that can be discharged is formed.

In addition, the cutter 70 is installed on the inclined surface of the mounting member 60, a plurality of coupling holes 71 are formed in the longitudinal direction in the center of the upper body of the rectangular shape and both bottoms are formed to be inclined inward to facilitate timber in the form of chips. It consists of a crushing structure to make it crushed.

Hereinafter, the operation of the drum body 10 in the present invention as described above in detail.

When explaining the coupling sequence of the cutting tip 40 for sawdust processing to the drum body 10 of the present invention, the mounting bracket 11 of the drum body 10 is first mounted and then mounted. In the state where the plate 50 is positioned on the inner bottom surface of the groove 11, a plurality of cutting tips 40 are sequentially inserted into the insertion slots 21 of the long bracket 20, respectively, and then the long bracket 20 On the opposite side of the short bracket (30) in order to be mounted in this order will be provided with a cutting tip 40 in the overall outer circumference of the drum body (10).

When the cutting tip 40 is mounted on the outer circumference of the crushing drum as described above, the driving motor drives the drum main body 10 to rotate. The wood introduced into the crushing part of the wood crusher is narrow on the outer circumference of the drum main body 10. By continuous contact of the cutting blades 42, which are closely spaced, the wood is quickly shredded in the form of sawdust and discharged to the rear of the crushing unit.

However, since the possibility of damaging the cutting blade 42 of the cutting tip 40 during the sawdust manufacturing process can not be excluded, the present invention does not replace the damaged cutting tip 40, but the direction of the cutting blade 42 Only changes can be made for reuse.

That is, after separating the short bracket 30 on which the cutting tip 40 with which the cutting blade 42 is damaged is detached from the mounting groove 11, the damaged cutting blade 42 is moved toward the upper surface of the plate 50. The other cutting blade 42 of the cutting tip 40, which is not used to rotate in place, is inserted into the insertion slot 21 of the long bracket 20 after the other cutting blade 42 protrudes outward, and then again of the short bracket 30. By inserting the cutting tip 40 into the insertion slot 31 to fix it to the inner side of the mounting groove 11 in its original state, one cutting tip 40 can be used three times and the short bracket 30 It is formed shorter than the elongated bracket 20, so that the partial replacement of the cutting tip 40 can be replaced very easily and quickly.

On the other hand, the present invention, as described above, while applying the structure for effectively crushing wood in the form of sawdust as it is to be able to easily process the wood in chip form.

In the present invention, in order to crush wood into chips, first, the parts having the seat grooves 13 of the drum body 10 are separated from the drum body 10, and then the installation member 60 is inserted therein. The bolt (B) is fixed to the fixing hole 14 of the seat groove 13 through each fastening hole 63 of the installation member 60.

Subsequently, both inclined surfaces of the cutter 70 are positioned in the center installation hole 62 formed on the inclined surface of the installation member 60 to face the bottom, and then the provided bolt B is coupled to the coupling hole 71 of the cutter 70. Inserted into and fixed to the inclined surface 64 of the installation member 60.

When the drum body is rotated by driving the driving motor in such a state, the wood inputted to the shredding part of the wood shredder is in contact with the cutter 70 installed diagonally from the center of the drum main body 10 and the wood is required. The chip is shredded into fine chips, and the shredded wood is not immediately discharged to the rear of the wood shredder but stagnated inside the chip stagnation space 61 to be discharged to prevent chips from scattering.

Therefore, the wood is easily shredded into the required chip shape, and after use, the installation member 60 is separated and the separated part of the drum body 10 is combined to its original state. The drum body 10 again processes sawdust. It is in a state to give.

As described above, the present invention can easily crush wood into sawdust in the form of a single drum body 10, and also can easily crush wood into chips in the form of chips only by partial deformation of the drum body 10. Selective shredding is possible, and even if the cutting tip 40 is damaged during the shredding can be reused again by changing only the direction of the cutting blade 42 can extend the replacement period of the drum main body 10, such as the conventional drum main body 10 It is a very useful invention that overcomes the structural problems of).

The present invention is an effective shredding structure, as well as sawdust processing of wood, as well as partial replacement can be easily shredded wood in the form of chips and can be used several times as a cutting tip having a three-way cutting blade to reduce the maintenance cost of the wood shredder There are advantages such as being able.

Claims (6)

A connecting portion 80 is provided at one side and connected to the driving motor, and a plurality of mounting grooves 11 are rounded in the outer circumferential direction, and are recessed in one side of the mounting groove 11 starting from the middle of one outer circumference, and fixed to the inner bottom. Rotating drum body 10 is provided with a drum body 10 formed with a ball 14 formed on the opposite side of the outer periphery of the drum body 10 and wood mounted and supplied inside the mounting groove 11. At the same time, a cutting tip 40 for crushing it into a sawdust shape, and a plurality of insertion slots 21 into which the cutting tip 40 is inserted are formed, and a long bracket 20 to be mounted in the mounting groove 11. And a plurality of insertion slots 31 into which the cutting tips 40 are inserted and are mounted in the mounting grooves 11 and inserted into the insertion slots of the long bracket 20. A short bracket 30 is included to fix a portion of the drum body 10 to the top. Wood crushers for crushing drum, characterized by configured. According to claim 1, characterized in that the damage preventing plate 50 of the mounting groove 11 by the rear support of the cutting tip 40 is installed on the inner bottom surface of the mounting groove (11) of the drum body (10) Shredding drum for wood shredders. The method of claim 1, wherein the cutting tip 40 is crushed for wood shredder, characterized in that the cutting blades 42 for crushing wood is formed at each tip of the plate-shaped tip body 41 having a triangular shape having a thickness drum. According to claim 1, The installation member 60 is fixedly installed in the seat groove 13 of the drum body 10, the cutter 70 for crushing the wood in the form of chips inclined on one side of the longitudinal direction Shredding drum for wood shredders characterized in that the configuration. According to claim 4, The installation member 60 is installed in the seat groove 13 of the drum body 10, the fastening hole 63 and the installation hole 62 is formed on both sides and the center of one side of the longitudinal direction in the longitudinal direction An inclined surface 64 on which a cutter 70 for crushing wood in chip form and a fastening hole 63 are formed on both sides of one side of the inclined surface 64, thereby crushing chipped wood. Shredding drum for wood shredder, characterized in that the chip stagnant space portion 61 is formed. The method of claim 4, wherein the cutter 70 is installed on the inclined surface 64 of the installation member 60, a plurality of coupling holes 71 are formed in the longitudinal direction in the center of the rectangular body upper surface and both sides are inclined inwardly toward the bottom. Shredding drum for wood shredders, characterized in that formed.