JP3760279B2 - Crusher - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention mainly relates to a crushing apparatus capable of crushing appropriately timber (for example, thinned wood, pruned wood, waste wood, etc.) and other appropriately crushed materials, and in particular, suitably crushed appropriately. The present invention relates to an economical crushing device devised so that a crushing projection that becomes a crushing tooth of a crushing drum that is worn out by crushing an object can be easily and reliably mounted.
[0002]
[Prior art]
Conventionally, various types of crushing devices of this type have been provided. For example, there are many configurations in which a pair of shafts are rotatably provided in a casing, and a plurality of rotary cutting blades are provided on the pair of shafts. Has been created.
[0003]
[Problems to be solved by the invention]
However, in the conventional crushing apparatus, if the blade portion of the rotary cutting blade is worn out by continuing crushing the material to be crushed to some extent, the crushing efficiency is extremely lowered or the blade portion itself is easily worn out. In addition, the worn rotary cutting blade has problems such as high replacement cost and high economic burden.
[0004]
[Means for Solving the Problems]
Therefore, the present invention eliminates the above-mentioned difficulties and the like, and can crush the object to be crushed with small size and efficiency, maintain a stable crushing ability over a long period of time. Was created to be able to provide a crushing device that is extremely simple and quick, easy to handle, simple in construction, durable, suitable for mass production, inexpensive and economical. The crushing apparatus S according to Item 1 is a crushing apparatus S that can crush wood and other appropriately crushed objects that have been cut to a certain size or less into small pieces, and has an inlet 1 at the top. And a crushing drum B rotatably mounted in the casing A, and an appropriate driving means for driving and rotating the crushing drum B. Outer surface of drum B The crushing protrusions 15 are configured to be crushed by a plurality of crushing protrusions 15 that are mounted so as to be compatible with each other, and the crushing protrusions 15 are formed in a plurality of female screw holes 11a provided in the peripheral body plate 11 of the drum body 10 of the crushing drum B. The crushing tooth portion 16 is arranged so as to protrude from the outer surface of the peripheral body plate 11 and can be screwed. The crushing tooth portion 16 and the attachment portion 17 pass through the center thereof. At the same time, a through hole 18 is provided so as to allow a small crushed object to pass through the drum body 10, and a part or all of the inner surface of the through hole 18 is formed into a substantially polygonal cross section. The crushing projections 15 are attached to the drum body 10 by means of a bar wrench that can be inserted into the drum body 10, and a means is adopted so as to be removable.
[0005]
Further, in the crushing device S according to claim 2, in order to make the crushing protrusions rotate reliably and easily with a hexagon stick wrench, etc., and to facilitate the interchangeable mounting and to make handling easier, The means which makes 18 cross-sectional shape substantially hexagonal shape was employ | adopted.
[0006]
Furthermore, in the crushing device S according to claim 3, the crushing device S is continuous with the through-hole 18 on the outer surface of the crushing tooth portion 16 of the crushing protrusion 15 so that the object to be crushed can be crushed smaller and efficiently. A means for cutting a plurality of such cutout grooves 19 was adopted.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described based on illustrated examples as follows.
The present invention enables, for example, appropriate timber (for example, thinned wood, pruned wood, waste wood, etc.) cut in advance to a certain size or smaller and other appropriately crushed objects to be crushed small. Crushing device S.
[0008]
Further, the crushing device S includes a casing A having an input port 1 on the upper side and a discharge port on a lower side, and a crushing drum that is rotatably pivoted in the casing A and arranged substantially horizontally. B, an appropriate driving means for driving and rotating the crushing drum B, and a screen 2 made of a punching plate or the like that does not pass an object to be crushed with a discharge port below the casing A provided in the flange portion (FIG. 1). Reference), and the object to be crushed can be crushed by a plurality of crushing protrusions 15 that are interchangeably mounted on the outer surface of the crushing drum B.
[0009]
The crushing protrusion 15 protrudes from the mounting portion 17 that can be screwed into the plurality of female screw holes 11 a provided in the peripheral drum plate 11 of the drum body 10 of the crushing drum B, and the outer surface of the peripheral drum plate 11. The crushing tooth portion 16 and the attachment portion 17 are provided with a through hole 18 penetrating through the center thereof, and a part or all of the through hole 18 has a substantially cross-sectional cross section. The crushing protrusion 15 can be attached to and removed from the drum body 10 by a wrench or the like that is configured in a polygonal shape and can be inserted into the through hole 18 (see FIG. 3). That is, the crushing protrusion 15 is configured so that, when worn, anyone can easily and reliably perform the compatible mounting operation with a wrench or the like in a short time.
[0010]
The casing A is made of, for example, a metal plate material as appropriate. The upper portion is provided with an inlet 1 to which a hopper and the like are continuously provided, and the lower portion is a discharge for discharging the object to be crushed out of the casing A. There is an exit. In addition, a receiving portion 5 is provided at the lower part of the casing A so as to receive the object to be crushed that has passed through the through-hole of the screen 2 and to guide the outlet smoothly.
[0011]
Further, the screen 2 in which the discharge port (receiving portion 5) in the casing A is arranged at the skirt portion is configured as a punching plate in which a large number of through holes having appropriate sizes and shapes are formed in an appropriate metal plate. The screen 2 is attached to the casing A so as to be removable. Moreover, the screen 2 is formed in a curved state such that the substantially lower part of the crushing drum B is along the outer surface of the crumbling drum, and is arranged in a state of approaching the crushing drum B. It is configured so that the object to be crushed can be crushed small. Thus, the screen 2 allows the crushed material crushed to a predetermined size or less to pass through the plurality of through holes, and the discharge port (receiving portion 5) passes the crushed material to the discharge port (receiving port). Part 5) is configured not to pass through the alligator.
[0012]
In the figure, 6 is a delivery port provided at the lower part of the other side plate of the casing A, and this delivery port 6 feeds the crushing drum B from one side to the crushing drum B and the other side to the side. The object to be crushed in the crushing drum B can be discharged out of the casing A by the air pressure. That is, it is configured such that a small crushed object that has passed through the through hole 18 of the crushing protrusion 15 and entered the crushing drum B can be smoothly discharged out of the casing A using the pressure of air. . Moreover, the delivery port 6 is connected to a pipe or the like that is connected to the discharge port outside the casing A through a pipe or the like as appropriate, and is formed so that the objects to be crushed can be processed together.
[0013]
By the way, the casing A may be provided with a window part, an opening / closing door, or the like so that a part of the casing A can be freely opened and closed, so that the compatible mounting work of the crushing protrusions 15 can be performed more easily ( Not shown). Further, the casing A itself may be configured so as to be swingable and separated so that the interchangeable mounting operation of the crushing protrusion 15 and other maintenance and inspection operations can be performed more easily.
[0014]
In addition, the specific configuration, shape, dimensions, material of the casing A, the specific configuration of the inlet 1, the shape, dimensions, the location of the discharge, the specific configuration of the outlet, the shape, dimensions, the location of the casing 2, Configuration, shape, dimensions, material, arrangement position, mounting means, specific shape, dimensions, number, arrangement position of through-hole, specific configuration of receiving section 5, shape, dimensions, arrangement position, delivery port 6 The specific configuration, shape, dimensions, arrangement position, number, and the like are not limited to the illustrated examples and can be freely set and changed as appropriate.
[0015]
The crushing drum B disposed in the casing A includes a drum main body 10 that is rotatably supported in the casing A via the rotating shaft 12 and a plurality of crushing protrusions attached to the outer surface of the drum main body 10. Fifteen.
[0016]
The drum body 10 forms a circumferential drum plate 11 in a substantially cylindrical shape, and a plurality of support arms 13 are arranged on the inner circumferential surface near both ends of the circumferential drum plate 11, for example, in a substantially cross shape on the rotary shaft 12. The left and right side portions of the drum body 10 are formed in an open state. In addition, the peripheral body plate 11 is provided with a plurality of female screw holes 11a in which the crushing protrusions 15 can be screwed, for example, in a zigzag pattern (or other arrangement state).
[0017]
Further, the rotary shaft 12 is supported substantially horizontally via bearings fixed to a pair of side plates and the like of the casing A, and a driving means is appropriately connected to one end portion thereof so that the drive rotation is possible. It is configured.
[0018]
The support arm 13 is, for example, a thin plate like a fan as appropriate, and is formed so as to be disposed substantially obliquely with respect to the rotating shaft 12. As the crushing drum B rotates, one side of the casing A is not visible. The air flow is forcibly generated toward the alley. That is, the support arm 13 is configured so that the material to be crushed in the crushing drum B can be continuously fed by the air pressure by the air pressure. Thus, the support arm 13 can combine the function of connecting the rotary shaft 12 and the peripheral drum plate 11 with the function of forcibly generating an air flow in the crushing drum B. In this crushing apparatus, there is no waste, and it is an excellent one useful for simplification of the configuration, compactness, and the like.
[0019]
By the way, as a means for allowing the material to be crushed in the crushing drum B to be continuously fed by the delivery port 6, an appropriate number of fans may be separately fixed at appropriate positions on the rotary shaft 12. Further, this fan may be formed so as to be accommodated in a recess provided in one side plate of the casing A so that the object to be crushed in the crushing drum B can move smoothly through the outlet 6 ( Not shown). The specific configuration, shape, dimensions, number, arrangement position and the like of the fan are not limited to the illustrated examples and can be set and changed as appropriate.
[0020]
The crushing protrusion 15 includes an attachment portion 17 that can be screwed into the female screw hole 11a of the circumferential drum plate 11 of the crushing drum B, and a crushing tooth portion 16 that is arranged so as to protrude from the outer surface of the circumferential drum plate 11. Thus, the crushing tooth portion 16 and the attachment portion 17 are provided with a through hole 18 penetrating the center thereof. In addition, a part or all of the through hole 18 has a substantially polygonal cross section, and the crushing protrusion 15 can be attached to and removed from the drum body 10 by a wrench or the like that can be inserted into the through hole 18. Has been.
[0021]
The mounting portion 17 has, for example, a short cylindrical shape and is provided with a male screw on the outer peripheral surface thereof, and is formed so as to be surely and smoothly screwed into the female screw hole 11a.
[0022]
Further, the crushing tooth portion 16 has, for example, a substantially short cylindrical shape larger than the attachment portion 17, and a plurality of cutout grooves 19 that are continuous with the through-hole 18 are formed in the upper peripheral edge portion thereof. In other words, the crushing corners of the crushing teeth 16 are increased by the notch grooves 19, and the crushing object can be crushed smaller and more efficiently when crushing the crushing object with the crushing protrusions 15. It is. Moreover, the object to be crushed is formed so as to be easily moved into the through hole 18 through the notch groove 19.
[0023]
Further, a part or all of the through hole 18 has, for example, a substantially regular hexagonal cross-sectional shape, and a crushing projection 15 can be reliably and easily inserted by inserting a hexagonal bar wrench or the like into the through hole 18. It is formed so that it can be rotated.
[0024]
In addition, the specific configuration, shape, dimensions, material, arrangement position of the crushing drum B, the specific configuration, shape, dimensions, material of the drum main body 10, the specific configuration, shape, dimensions, material, female of the drum plate 11 Specific dimensions, number, arrangement position of screw hole 11a, specific configuration, shape, dimensions, material of rotating shaft 12, specific configuration of support arm 13, shape, dimensions, material, arrangement position, number, crushing protrusion 15 specific configurations, shapes, dimensions, materials, numbers, arrangement positions, specific configurations of crushing teeth 16, shapes, dimensions, materials, specific configurations of mounting portions 17, shapes, dimensions, materials, through holes 18 The specific configuration, shape, dimensions, specific configuration, shape, dimensions, number, arrangement position, and the like of the notch groove 19 are not limited to the illustrated examples and can be freely set and changed as appropriate.
[0025]
【The invention's effect】
Therefore, the crushing device S according to claim 1 is a crushing device S that can crush wood and other appropriately crushed objects that have been cut to a certain size or less into small pieces, and has an inlet 1 on the upper side. And a crushing drum B rotatably mounted in the casing A, and an appropriate driving means for driving and rotating the crushing drum B. The object to be crushed can be crushed by a plurality of crushing protrusions 15 mounted interchangeably on the outer surface of the drum B. The crushing protrusions 15 are a plurality of crumbling drums B provided on the peripheral drum plate 11 of the drum body 10. It consists of a mounting portion 17 that can be screwed into the female screw hole 11a, and a crushing tooth portion 16 that is arranged so as to protrude from the outer surface of the peripheral body plate 11. When you penetrate that center In addition, a through hole 18 through which a small crushed object is allowed to pass through the drum body 10 is formed, and a part or all of the inner surface of the through hole 18 is formed in a substantially polygonal cross section. Since the crushing protrusions 15 can be attached to and removed from the drum body 10 by a rod wrench or the like that can be inserted into the crushing object, the object to be crushed is made small by being cut by the crushing protrusions 15 of the crushing drum B. It becomes possible to crush, and the material to be crushed can be efficiently crushed. In addition, it is possible to provide an economical crushing apparatus S with a simple configuration, excellent durability, suitable for mass production, and inexpensive.
[0026]
And even if crushing of the material to be crushed continuously, the crushing protrusion 15 is not easily worn, and the crushing capacity and crushing efficiency are not easily lowered, so that a stable crushing capacity can be maintained over a long period of time. Become.
In addition, when the crushing ability of the crushing protrusion 15 is reduced, the original crushing ability can be obtained simply by mounting the crushing protrusion 15 interchangeably. Will be able to do it.
In addition, the compatible mounting operation of the crushing protrusions 15 can be performed without disassembling the casing A, the crushing drum B, etc., and the crushing protrusions 15 that have been worn out can be easily removed from the crushing drum B. It becomes possible to easily attach a new crushing protrusion 15 to the surface. In other words, the worn crushing protrusion 15 can be easily and reliably interchanged by anyone, and the crushing device S is easy to handle.
[0027]
Then, since the crushing tooth portion 16 and the attachment portion 17 are provided with a through hole 18 that penetrates the center of the crushing tooth portion 16 and the mounting portion 17, a part of the object to be crushed by the crushing protrusion 15 passes through the through hole 18. And can be fed into the crushing drum B.
[0028]
Further, in the crushing device S according to claim 2, since the cross-sectional shape of the through hole 18 is a substantially regular hexagon, it is certain that the crushing protrusion 15 is rotated by inserting a hexagonal bar wrench or the like into the through hole 18. Thus, the crushing protrusion 15 can be easily mounted, and can be easily mounted.
[0029]
Further, in the crushing device S according to the third aspect, since a plurality of cutout grooves 19 are formed on the outer surface of the crushing tooth portion 16 of the crushing projection 15 so as to continue to the through hole 18, the crushing projection 15 When crushing, the corners of the notch groove 19 are increased, and the object to be crushed can be crushed smaller and efficiently.
[Brief description of the drawings]
FIG. 1 is a schematic longitudinal side view illustrating a crushing apparatus of the present invention.
FIG. 2 is a schematic longitudinal sectional front view illustrating the crushing apparatus of the present invention.
FIG. 3 is a partially cutaway perspective view illustrating a part of a crushing drum in the crushing apparatus of the present invention.
FIG. 4 is a perspective view illustrating another crushing protrusion in the crushing apparatus of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS S Crushing apparatus A Casing 1 Inlet 2 Screen 5 Receiving part 6 Delivery outlet B Crushing drum 10 Drum main body 11 Circumferential body plate 11a Female screw hole 12 Rotating shaft 13 Support arm 15 Crushing protrusion 16 Crushing tooth part 17 Mounting part 18 Through-hole 19 Notch

Claims (3)

A crushing device capable of crushing wood and other appropriately crushed objects that have been cut to a certain size or smaller in size, with a casing provided at the top and a casing provided at the bottom An object to be crushed by a plurality of crushing protrusions that are interchangeably mounted on the outer surface of the crushing drum, and a crushing drum that is rotatably mounted in the casing, and an appropriate drive unit that drives and rotates the crushing drum. The crushing protrusions protrude to the outer surface of the peripheral drum plate and a mounting portion that can be screwed into a plurality of female screw holes provided on the peripheral drum plate of the drum body of the crushing drum. The crushing tooth part and the mounting part are provided with a through-hole that passes through the center of the crushing tooth part and the attachment part so as to pass a small crushed object into the drum body. the inner surface of the hole Part or constitute a cross section substantially polygonal all, the fitted possible wrench or the like into the through hole, mounted crushing projections on the drum body, crushing apparatus characterized by being configured so as to detachable.   The crushing apparatus according to claim 1, wherein the through hole has a substantially regular hexagonal cross-sectional shape.   The crushing device according to claim 1 or 2, wherein a plurality of cutout grooves are formed on the outer surface of the crushing tooth portion of the crushing protrusion so as to be continuous with the through hole.

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