JP2016022430A - Crushing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a crushing device which can be utilized for a long period of time as its blades are easily exchanged and thereby reduces management costs, and which substantially reduces manufacturing costs by using a simple constitution.SOLUTION: A crushing device includes: a hopper into which a crushing object is charged; a cylindrical crushing rotor disposed below the hopper and rotated around a rotation axis; a plurality of rotary blades attached to an outer peripheral surface of the crushing rotor; and a crushing processor for crushing the crushing object downward between a lower part of the hopper and the crushing rotor. In the crushing device, the crushing rotor 2 has a plurality of attachment ports 6 whereas the rotary blades 20 are constituted by a tabular blade body 21 and an insertion shaft 22 extending from the blade body, and the insertion shafts are inserted into the attachment ports and fixed by fixing members 23.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a crushing apparatus for loosening compressed and consolidated materials such as grass and hay.

  There are various types of crushers for crushing objects to be crushed, such as uniaxial crushers and biaxial crushers, and equipment for loosening compressed and consolidated materials according to the application is also provided. ing. For example, as described in Patent Document 1, the crushing cutter means includes a plurality of cutters, spacers interposed between the cutters, and a rotary drive shaft that supports the cutters and the spacers. The outer periphery of each spacer is provided with a drop blade with a phase change, and the presser arm that is slidably contacted with the top surface of the material resists the weight that should be suspended in the direction of conveyance of the material. Thus, there has been proposed a crushing machine for compression-consolidated material in which the arm is inclined in the material conveyance direction.

  Solid materials such as pebbles may be mixed in the compressed and consolidated material. When the compressed and consolidated material is immediately crushed with a crushing device, the solid material mixed in the compressed and consolidated material As a result, the blade body may be greatly damaged.

  Also, depending on the type of the compressed and consolidated material, the same blade cannot be crushed well, so it is necessary to prepare a device for each, and the management cost increases.

  Furthermore, since the configuration is complicated with the above-described configuration, processing costs and material costs increase, and manufacturing costs increase.

JP 2002-210382 A

  Therefore, in order to crush various types of compressed and consolidated materials, when the blade is damaged or when you want to replace the blade according to the type of material, the device itself can be easily replaced. Is to provide a crushing apparatus that can be used for a long period of time, can reduce the management cost, and can greatly reduce the manufacturing cost by a simple configuration.

  In order to achieve the above-mentioned object, the first characteristic configuration of the crushing apparatus according to the present invention is as described in claim 1 of the document of the claims. A cylindrical crushing rotor that rotates about the rotation axis that is arranged, a plurality of rotary blades attached to the outer peripheral surface of the crushing rotor, and a material to be crushed between the lower part of the hopper and the crushing rotor. A crushing apparatus comprising a crushing processing unit for crushing downward, a crushing rotor having a plurality of attachment ports, and a rotary blade extending to a plate-like blade body and a blade body And the insertion shaft is inserted into the attachment port and fixed by a fixing member.

  According to the above configuration, since the blade can be replaced, the management cost can be reduced. Further, since the blade mounting structure is simple, the blade can be easily mounted, and the rotating blade mounting work time can be reduced. It can be shortened. Furthermore, since the structure is simple, the manufacturing cost can be greatly reduced.

  The second characteristic configuration is that, as described in the second aspect, the long side of the blade body is arranged in a direction perpendicular to the rotation axis.

  According to the above-described configuration, it can be efficiently crushed with a small number of rotary blades.

  The third characteristic configuration is that, as described in the third aspect, it is arranged in a spiral shape on the crushing rotor.

  According to the above-described configuration, since the compressed and consolidated material pieces that could not be crushed by the rotary blade in the crushing processing unit are moved to the rotary blade adjacent to the rotary blade and crushed, the minimum number It can be efficiently crushed with a rotary blade.

  The fourth characteristic configuration is that, as described in claim 4, the attachment port and the insertion shaft are threaded and the fixing member is a jam nut.

  According to the above-described configuration, the rotary blade can be attached to the attachment port with a simple configuration, and the height of the rotary blade can be freely adjusted.

  As described above, according to the present invention, when it is necessary to replace the blade body in order to deal with foreign matters or various materials, it is possible to easily replace or adjust the blade body. It is possible to reduce the cost, and since the material cost can be reduced because of the simple configuration, a manufacturing cost crushing apparatus can be provided.

FIG. 1A is a perspective view illustrating a crushing apparatus, and FIG. 1B is a side view illustrating a crushing apparatus. 2A is an explanatory view showing a crushing rotor of the crushing apparatus, and FIG. 2B is a cross-sectional view taken along line AA in FIG. FIG. 3 is an explanatory view showing a rotary blade attached to the crushing rotor of the crushing apparatus.

  Hereinafter, a crushing apparatus and a mounting structure for a crushing apparatus rotary blade according to an embodiment of the present invention will be described in detail with reference to the drawings.

  As shown in FIG. 1, the crushing device 10 according to the embodiment is a uniaxial crushing device, a device for crushing a material to be crushed, such as a compressed and consolidated material, into a predetermined size, a casing 4, The crushing rotor 2 disposed inside the casing 4, a plurality of rotary blades 20 attached to the surface of the rotor, the rotary blades 20 arranged along the surface of the crushing rotor 2, and the upper part of the casing 4 And a discharge port 5 disposed below the crushing rotor 2.

  The casing 4 is a portion that serves as a base for supporting the above-described components. In the casing 4, the material to be crushed that has been input from the hopper 1 is crushed between the lower portion of the hopper 1 and the crushing rotor 2. A crushing processing unit S that crushes the crushed material downward is configured, and the crushing rotor 2, the hopper 1 and the like are fixed inside the casing 4 so as to surround the crushing processing unit S.

  As shown in FIG. 2, the crushing rotor 2 has a hollow cylindrical rotor main body and rotating shafts formed at both axial ends of the rotor main body, and a bearing (illustrated) attached to the casing 4. The rotating shaft is supported by (omitted). A drive motor 3 is connected to the rotation shaft via a gear unit or the like. Further, a plurality of threaded attachment ports 6 are formed in a spiral shape on the surface of the rotor body, and one rotary blade 20 is attached to each of the attachment ports 6. Thereby, the number of rotary blades 20 arranged on the same straight line extending in the axial direction is reduced, and an excessive load is prevented from being applied to the rotary blades 20 and the crushing rotor 2. The attachment port 6 and the rotary blade 20 will be described later.

  The rotary blade 20 crushes the material to be crushed between the rotary blade 20 and the lower end portion of the hopper 1 and is formed in a plate shape from a hard metal material or the like. As shown in FIG. 2, the rotary blade 20 includes a substantially rectangular plate-like blade body 21 and an extending insertion shaft 22. The insertion shaft 22 is threaded. The insertion shaft 22 is inserted while turning to the threaded attachment port 6 provided in the crushing rotor 2. By using the jam nut 23 or the like as the fixing member, the height of the blade in the rotating field can be adjusted. The fixing method is not limited to the jam nut, but can be fixed from the inner peripheral side of the crushing rotor 2 with a bolt or the like.

  The hopper 1 is a part that constitutes an insertion port into which the material to be crushed 12 is charged, and at least a part of the inner surface of the hopper 1 is formed so as to be inclined so that the charging port extends toward the opening side. 1 The material is crushed by the rotary blade 20 of the crushing rotor 2 rotating in the crushing processing unit S at the lower end.

  In such a uniaxial crushing apparatus 10, since it is necessary to attach many rotary blades 20 to the crushing rotor 2, it is desirable that the attaching operation is simple and it is desirable that sufficient strength can be ensured. Furthermore, it is desirable that the movement of the rotary blade 20 can be reliably prevented. Therefore, in the present embodiment, the following mounting structure of the rotary blade 20 for the crushing device 10 is employed.

  As shown in FIGS. 2 to 3, the mounting structure includes a mounting port 6 formed on the surface of the crushing rotor 2, a rotary blade 20 attached to the mounting port 6, and the rotary blade 20 fixed to the mounting port 6. Bolts 22 to be used.

  As shown in FIG. 2, the attachment port 6 is a through-hole formed on the surface of the crushing rotor 2 so as to extend in a direction perpendicular to the rotation axis, and the rotary blade 20 is formed by a bolt of the crushing rotor 2. As shown in FIG. 3, a prismatic (i.e., substantially regular quadrangular) blade body 21 having a substantially square end surface and an insertion shaft extending to the blade body 21 are attached to the surface. 22.

  As shown in FIG. 3, the blade body 21 is formed of a metal material such as carbon steel, and the insertion shaft 22 is an end portion on the traveling direction side or the rotational direction side from the longitudinal center portion of the blade body 21. Are joined by brazing, welding, or the like. The blade body 21 and the insertion shaft 22 may be integrally formed of the same material, and the labor of joining by brazing or the like may be omitted. Further, a base for mounting the insertion shaft 22 on the blade body 21 may be provided. For example, a bolt having an insertion shaft 22 as a screw portion and a head portion 24 as a base portion can be used. The bolt head 24 is provided with a groove having the same width as the blade body 21, and a plate-like blade body is inserted into the groove and fixed by welding or the like, thereby preventing the blade body 21 from being removed from the insertion shaft 22. It is possible. Even when foreign matter such as stone is mixed, the blade body 21 and the insertion shaft 22 can be prevented from breaking. Alternatively, the bolt head 24 and the blade body 21 may be welded without providing a groove.

  Moreover, in this embodiment, although the blade body 21 of the rotary blade 20 is formed in a substantially regular quadrangular prism shape, the shape of the blade body 21 is not particularly limited as long as it can be attached to the attachment port 6. It may be cylindrical, pentagonal, hexagonal, etc.

  Moreover, although the shape of the attachment port 6 has been described as a cylindrical through-hole, it may be appropriately changed according to the shape of the insertion shaft 22 and the like. For example, if the shape of the insertion shaft 22 is a polygonal column, the attachment port 6 may be changed to substantially the same polygonal column shape. If the shape of the insertion shaft 22 is a substantially cylindrical shape, the attachment port 6 is substantially half You may form circularly.

  Next, a method for attaching the rotary blade 20 will be described with reference to FIG. When attaching the rotary blade 20 to the surface of the crushing rotor 2, first, the insertion shaft 22 of the rotary blade 20 is inserted into the attachment port 6 for attaching the rotary blade 20 to the surface of the crushing rotor 2. It is also possible to insert a member for adjusting the height between the rotary blade 20 and the attachment port 6, and the height position of the blade body can be adjusted freely.

  And the rotary blade 20 is attached to the attachment port 6 by fixing to the threaded insertion shaft 22 with a nut from the inner peripheral side of the crushing rotor 2.

  Next, the operation of the uniaxial crusher 10 will be described with reference to FIG. When the material to be crushed is crushed using the uniaxial crushing device 10, the crushing rotor 2 is rotated by the drive motor 3 and the material to be crushed is input from the hopper 1. The crushed material is sent to the pulverization processing unit S at the lower part of the hopper, and the pulverization processing unit S between the plurality of rotary blades 20 attached to the surface of the crushing rotor 2 and the lower part of the hopper 1 is used. Then, the material to be crushed is crushed, and the crushed pieces of the crushed material to be crushed are dropped downward through the gaps of the rotary blade 20.

DESCRIPTION OF SYMBOLS 1 Hopper 2 Crushing rotor 3 Drive motor 4 Casing 5 Discharge port 6 Mounting port 10 Crushing device 20 Rotary blade 21 Blade body 22 Insertion shaft 23 Fixing member (jamming nut)
24 Base part (head)
S Disintegration processing part S

Claims (4)

A hopper for charging the material to be crushed;
A cylindrical crushing rotor that rotates about a rotation axis disposed below the hopper;
A plurality of rotary blades attached to the outer peripheral surface of the crushing rotor;
A crushing apparatus comprising a crushing processing unit that crushes the material to be crushed downward between the hopper lower part and the crushing rotor,
The crushing rotor has a plurality of attachment ports,
The rotary blade is composed of a plate-like blade body and an insertion shaft extending to the blade body,
A crushing apparatus, wherein the insertion shaft is inserted into the attachment port and fixed by a fixing member. The crushing apparatus according to claim 1, wherein a long side of the blade body is arranged so as to be in a direction perpendicular to the rotation axis. The crushing apparatus according to claim 1, wherein the attachment port is arranged in a spiral shape on the crushing rotor. The crushing apparatus according to any one of claims 1 to 3, wherein the attachment port and the insertion shaft are threaded, and the fixing member is a jam nut.

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