KR101472272B1 - Multiple Crushing Apparatus Having Asymmetric Fixed Knife - Google Patents

Multiple Crushing Apparatus Having Asymmetric Fixed Knife Download PDF

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Publication number
KR101472272B1
KR101472272B1 KR20140059124A KR20140059124A KR101472272B1 KR 101472272 B1 KR101472272 B1 KR 101472272B1 KR 20140059124 A KR20140059124 A KR 20140059124A KR 20140059124 A KR20140059124 A KR 20140059124A KR 101472272 B1 KR101472272 B1 KR 101472272B1
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South Korea
Prior art keywords
knives
rotary
knife
rotation
rotating
Prior art date
Application number
KR20140059124A
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Korean (ko)
Inventor
김현수
지의현
Original Assignee
(주)에이씨아이케미칼아시아
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Priority to KR20140059124A priority Critical patent/KR101472272B1/en
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Publication of KR101472272B1 publication Critical patent/KR101472272B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C18/182—Disc-shaped knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C2018/188—Stationary counter-knives; Mountings thereof

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

Disclosed is a multiple crushing apparatus having an asymmetric fixed knife. According to the present invention, the multiple crushing apparatus having the asymmetric fixed knife includes a rotation part including a rotation shaft and a plurality of rotation knives disposed on the rotation shaft in a direction perpendicular to a rotation axis of the rotation shaft to rotate together with the rotation shaft when the rotation shaft rotates, a fixed part including a plurality of fixed knives disposed on both sides of the rotation shaft to protrude to a space between the rotation knives adjacent to each other and each of which has a width less than a distance between the rotation knives adjacent to each other so that one side of the rotation knife contacts one of the rotation knives adjacent thereto, and the other side is spaced apart from the other rotation knife, and a driving part rotating the rotation shaft. One of the pair of fixed knives contacts one surface of facing surfaces of the rotation knives adjacent to each other, and the other one contacts the other surface.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a multiple crushing apparatus having an asymmetric fixed knife,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a composite crushing apparatus having an asymmetric fixed knife, and more particularly, to an apparatus for cutting or crushing an object while a rotary knife rotates relative to a fixed portion.

Cutting devices are often large power devices that cut relatively large and heavy objects such as scrapped household items, tires, furniture, carpets, wood trash, scrap wood, etc., or they may be relatively small devices that cut small objects such as paper have.

There are cutting devices with only one shaft. However, most cutting devices have lower shafts and lower knives separated by openings, each opening receiving a portion of the upper knife from each shaft. In this way, the cutting device can achieve a relatively short total length and a relatively high capacity.

From the European patent EP 0 928 222 referred to in the present invention, it is known to have a cutting device with two shafts mounted with a top knife facing and overlapping each other. Thus, the openings between the two lower knives can not be narrower than twice the thickness of the upper knife. This means that the apertures are relatively wide and thus the cutting of the object is also rough.

By bending the lower knife of a known cutting device, the object can be cut more finely, which weakens the strength of the lower knife structure. Curved knives are also tricky and costly to maintain.

More precise cutting can be obtained by using a cutting device in which the upper knives are arranged to face each other but not to overlap with each other. This allows the opening between the two lower knives to be thinner than the total thickness of the two upper knives, and the cutting of the object will be even and fine. However, in this case, there is a disadvantage that a space is left between the two sets of upper knives. An object in the form of plate can stay in this space without being cut so as to interfere with the cutting of other objects.

A cutting device in which opposed upper knives are mounted on two shafts without overlapping one another is known from EP 0 521 081 referred to in the present application.

1 is a view showing a conventional cutting apparatus.

As shown in FIG. 1, the lower knives 12 are disposed to be spaced apart from each other, the upper knives 10 and 11 are provided in the spaces where the lower knives 12 are spaced apart, The upper knives 10 and 11 and the lower knife 12 are moved in a state where an object is cut at a portion where the upper and lower knives 10 and 11 contact with each other and the object is pushed into a space separated between the lower knife 12 and the upper knives 10 and 11. [ Crushing is done at the parts that touch each other.

However, in general, the shaft of the cutting apparatus may be wound with a broken object, vinyl, paper, string or the like, which may cause frequent failure. If the shredder stops moving due to foreign matter wrapped around the shaft, it is troublesome and time consuming because the shafts must be removed to remove the foreign matter wound on the shafts, and then the shredder must be operated again after reassembling.

Sunhan Literature 1: European Patent EP 0 928 222 Prior Art 2: European Patent EP 0 521 081

SUMMARY OF THE INVENTION The present invention has been made to overcome the above-mentioned problems, and an object of the present invention is as follows.

First, the present invention intends to provide a composite crushing apparatus equipped with an asymmetric fixed knife capable of crushing and cutting at the same time.

Second, the present invention provides a composite crushing apparatus equipped with an asymmetrical fixed knife capable of crushing an object more efficiently.

Third, the present invention intends to provide a combined crushing apparatus having an asymmetric fixed knife that prevents foreign matter from being dried around the rotating shaft in accordance with rotation of the rotating unit, thereby preventing frequent failures.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a combined crushing apparatus including an asymmetric fixed knife according to an embodiment of the present invention includes a rotating unit, a stationary knife, and a driving unit.

The rotation unit may include a rotation shaft and a plurality of rotation knives disposed on the rotation shaft and perpendicular to the rotation axis of the rotation shaft and rotating together with rotation of the rotation shaft.

The fixed knife may have a plurality of pairs and may be disposed on both sides of the rotating shaft so as to protrude into the space between the adjacent rotating knives. The fixed knife may be formed to have a width narrower than the distance between the adjacent rotary knives so that one side contacts the rotary knife and the opposite side is spaced apart from the rotary knife.

In addition, one of the pair of fixed knives may be in contact with one of the mutually facing surfaces of the adjacent rotating knives, and the other may be in contact with the other surface.

The driving unit may rotate the rotating shaft.

The distance between the pair of fixed knives is set to be larger than the diameter of the rotating shaft so that the stationary knife and the rotating shaft can be spaced apart from each other.

The rotation shaft may be provided with an outwardly projecting cut-away portion.

The height of the anti-traction cutting portion may be lower than the distance between the rotating shaft and the fixed knife.

The unwind cutting portion may be arranged diagonally.

The plurality of rotary knives may be disposed at different angles with respect to the rotary shaft.

A plurality of the rotation units may be provided.

Here, the plurality of rotation shafts may be arranged such that their rotation axes are parallel to each other.

The rotating knives of the rotating parts adjacent to each other may be arranged on different planes.

Meanwhile, the driving unit may rotate the rotation unit forward or reverse.

The effects of the present invention will be described below.

First, according to an embodiment of the present invention, a composite crushing apparatus equipped with an asymmetric fixed knife is capable of cutting an object by abutting one side of a rotary knife with an end of a side opening.

According to another aspect of the present invention, there is provided a composite crushing apparatus including an asymmetric fixed knife, wherein one of the pair of fixed knives is in contact with one of opposite surfaces of the adjacent rotary knives, The space between the rotary knife and the stationary knife is zigzag with each other so that the object can be more effectively crushed.

Third, according to an embodiment of the present invention, the width of the side opening is larger than the thickness of the rotary knife, so that the rotary knife is spaced apart from the fixed portion and the rotary knife, It is possible to push out and break out of the object.

Third, according to an embodiment of the present invention, a composite crushing apparatus having an asymmetric fixed knife includes a rotation shaft provided with a torsion preventing cutout, thereby preventing frequent breakdown by cutting foreign matter to be dried around the rotation shaft.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

The foregoing summary, as well as the detailed description of the preferred embodiments of the present application set forth below, may be better understood when read in conjunction with the appended drawings. For the purpose of illustrating the invention, there are shown preferred embodiments in the figures. It should be understood, however, that this application is not limited to the precise arrangements and instrumentalities shown.
1 shows a conventional cutting apparatus;
FIG. 2 is a cross-sectional view illustrating a composite crushing apparatus equipped with an asymmetric fixed knife according to an embodiment of the present invention; FIG.
FIG. 3 is a perspective view of a rotary part of a combined crushing apparatus equipped with an asymmetric fixed knife according to an embodiment of the present invention; FIG.
FIG. 4 is a perspective view of a fixing part of a combined crushing apparatus equipped with an asymmetric fixed knife according to an embodiment of the present invention; FIG. And
5 is a sectional view taken along the line A-A 'in Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood, however, that the appended drawings illustrate the present invention in order to more easily explain the present invention, and the scope of the present invention is not limited thereto. You will know.

In describing the embodiments of the present invention, it is to be noted that elements having the same function are denoted by the same names and numerals, but are substantially not identical to elements of the prior art.

Also, the terms used in the present application are used only to describe certain embodiments and are not intended to limit the present invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

2 is a cross-sectional view illustrating a composite crushing apparatus having an asymmetric fixed knife according to an embodiment of the present invention.

Hereinafter, a composite crushing apparatus having an asymmetric fixed knife according to an embodiment of the present invention will be described with reference to FIG.

2, the composite crushing apparatus having the asymmetric fixed knife according to an embodiment of the present invention may include a rotation unit 100, a fixing unit 200, and a driving unit (not shown).

FIG. 3 is a perspective view of a rotary part of a combined crushing apparatus equipped with an asymmetric fixed knife according to an embodiment of the present invention.

3, the rotating part 100 may include a rotating shaft 110 and a rotating knife 120. [

The rotary knife 120 may be disposed on the rotary shaft 110 and perpendicular to the rotary shaft 110 so as to rotate together with the rotary shaft 110 in accordance with the rotation of the rotary shaft 110. [ The rotary knife 120 may be disposed on the rotary shaft 110 such that a plurality of the rotary knives 120 are spaced apart from each other.

The driving unit (not shown) can rotate the rotating shaft 110. If the driving unit (not shown) rotates the rotating shaft 110 only in one direction, an object located on the opposite side of the rotating direction may not be properly pulverized. In order to prevent this, the driving unit (not shown) can rotate the rotating shaft 110 forwardly or reversely to effectively crush any object located at any part. The driving unit (not shown) may be a general configuration including a motor capable of rotating the rotating shaft 110 in the forward and reverse directions.

In this embodiment, the rotary knife 120 may have a disc shape having a plurality of large and small teeth 122 formed therein as shown in the figure. The large and small teeth 122 can cut objects at different speeds, different forces, and different radial distances from the rotating shaft 110 at the same time. This may have the effect that an axial torsional moment, which makes it easier to cut the object in the work area, acts on the object.

However, the shape of the rotary knife 120 is not limited to that shown in the drawings, and may be variously formed as long as the object can be cut and crushed.

The plurality of rotary knives 120 may be arranged on the rotary shaft 110 in a state rotated by different angles. For example, the rotary knife 120, which is positioned at the second highest position with respect to the rotary knife 120 positioned at the uppermost position, is rotated 20 degrees while the rotary knife 120, which is positioned at the third position, ). ≪ / RTI > However, the above-described angle is merely an example, and the plurality of rotating knives 120 can be arranged at an appropriate angle according to the length of the rotating shaft 110, the size of the rotating knife 120, or the like.

FIG. 4 is a perspective view of a fixing part 200 of a composite crushing apparatus having an asymmetrical fixed knife according to an embodiment of the present invention.

4, the fixing part 200 may include a housing 210 and a plurality of pairs of stationary knives 220a and 220b.

The housing 210 may have an internal space in which the stationary knives 220a and 220b and the rotation unit 100 are located. The rotating shaft 110 may be disposed to cross the inner space.

The pair of fixed knives 220a and 220b may be disposed on both sides of the rotating shaft so as to protrude into a space between the adjacent rotating knives 120. [ The width of the fixed knives 220a and 220b is narrower than the distance between adjacent ones of the rotating knives 120 so that one side contacts one of the adjacent rotating knives 120 while the other side rotates with the other rotating knife 120 So that the space can be formed. Hereinafter, the space formed by separating the rotary knife 120 and the fixed knife 220a or 220b from each other will be referred to as a spacing space 230. [

The cutting of the object such as scissors is caused by the portion of the rotary knife 120 contacting the rotary knife 120 and the fixed knives 220a and 220b and the tooth 122 of the rotary knife 120 is rotated The object may be crushed by pushing it into the spacing space 230.

One of the pair of fixed knives 220a and 220b contacts one of opposite surfaces of the adjacent rotating knife 120 while the other fixed knife 220b contacts the other surface As shown in FIG. That is, the spacing spaces 230 may be formed in a zigzag manner asymmetrically with respect to the rotation axis.

Thereby, the objects located on both sides of the rotary knife 120 can be evenly cut and crushed.

A pair of the fixed knives 220a and 220b may be provided for each space between the adjacent rotary knives 120. [

5 is a sectional view taken along the line A-A 'in Fig.

As shown in Fig. 5, the distance between the pair of fixed knives 220a and 220b may be arranged to be larger than the diameter of the rotary shaft 110. [ That is, the pair of fixed knives 220a and 220b and the rotary shaft 110 may be spaced apart from each other.

Generally, the rotating shaft 110 of the pulverizing apparatus may cause a breakdown of the pulverized object, foreign materials such as vinyl, paper, string, etc., to cause frequent failure. When the foreign matter is wound on the rotating shaft 110 and the operation of the shredder is stopped, the rotating shafts 110 need to be removed to remove foreign substances wound around the rotating shaft 110, and then the shredder must be operated after reassembling the shredder 110, There is a problem.

In order to solve this problem, the rotary shaft 110 of the composite crushing apparatus equipped with the asymmetrical fixed knife according to an embodiment of the present invention is provided with a winding preventing protrusion 130 protruding outward at a portion where the rotary knife 120 is not provided. Can be disposed.

As shown in FIG. 5, the height at which the winding preventing protrusion 130 protrudes may be formed to be lower than the distance between the rotating shaft 110 and the stationary knife 220a, 220b. Accordingly, when the rotating shaft 110 rotates, foreign matter or the like flows into the space between the anti-traction cutting portion 130 and the fixed knives 220a and 220b, and the foreign matter or the like enters between the anti-traction cutting portion 130 and the fixed knives 220a and 220b, The foreign matter wound around the rotating shaft 110 is cut by the friction of the rotating shaft 110 and thus frequent failure can be prevented.

The winding preventing cutting portion 130 may be disposed in an oblique line. In addition, a plurality of the winding preventing cutting portions 130 may be provided on the rotating shaft 110 so as to be spaced apart from each other. In the present embodiment, three winding-preventing cuts 130 are provided on the outer circumferential surface of the rotating shaft 110 in an oblique manner. However, the number of the winding-preventing cutouts 130 is not limited to this, And may have a variety of shapes and numbers.

The winding preventing cutting portion 130 may be formed by melting a metal rod or the like, or may be formed by welding a metal wire to the rotating shaft 110, or may be formed by winding a rigid wire or the like around the rotating shaft 110. The winding preventing cutting portion 130 may be variously made in addition to those described above.

Meanwhile, as shown in FIG. 2, a plurality of rotation units 100 may be provided. When a plurality of rotation units 100 are provided, the plurality of rotation units 100 may rotate in the same direction or in different directions.

The plurality of rotation shafts 110 may be arranged such that their rotation axes are parallel to each other. In addition, the rotary knife 120 of the adjacent rotary part 100 can be arranged on different planes. That is, the rotary knives 120 of the mutually adjacent rotary parts 100 may be arranged in a zigzag manner.

The spacing space 230 formed by the rotating knife 120 and the stationary knives 220a and 220b of the adjacent rotation unit 100 may also be arranged in a staggered manner.

The composite crushing apparatus having the asymmetric fixed knife according to an embodiment of the present invention can be used for a pre-work of recycling, for example. Large-sized waste such as a bed or a wardrobe or a large-sized plastic structure is difficult to be transported or sorted, so it can be shredded with the composite crushing apparatus of this embodiment and transported and recycled. The finely crushed objects are put into the sorting device, the plastic is recycled by type, the wood is chopped finely and can be used as an incineration fuel.

Of course, the composite crushing apparatus provided with the asymmetrical stationary knife of this embodiment may be used for crushing of paper, crushing of food, etc., as well as prior work for recycling.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them. Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

100: rotating part 110: rotating shaft
120: rotating knife 122: saw tooth
130: a winding preventing cutting section 200:
210: housing 220a, 220b: stationary knife
230: Spaced space

Claims (10)

A rotating unit including a rotating shaft and a plurality of rotating knives disposed on the rotating shaft and perpendicular to a rotating shaft of the rotating shaft and rotating together with the rotating shaft;
The rotary knives are disposed on both sides of the rotary shaft so as to protrude into a space between adjacent rotary knives. The rotary knives are formed to have a width narrower than the distance between adjacent rotary knives. One of the rotary knives is in contact with one of the adjacent rotary knives. And a pair of stationary knives spaced apart from the rotary knife to form a spacing space, wherein one of the pair of stationary knives is in contact with one of the mutually facing surfaces of the adjacent rotary knives, A stationary portion contacting the surface; And
A driving unit for rotating the rotating shaft;
And an asymmetrical stationary knife. The method according to claim 1,
Wherein a distance between a pair of the fixed knives is larger than a diameter of the rotary shaft, and the fixed knife and the rotary shaft are spaced apart from each other. 3. The method of claim 2,
Wherein the rotary shaft is provided with an asymmetrical fixed knife having a traction preventing cutout protruding outward in a linear or curved shape. The method of claim 3,
Wherein the asymmetrical fixed knife is formed to have a height lower than a spaced distance between the rotating shaft and the fixed knife. The method according to claim 1,
Wherein the anti-traction cutting portion is provided with an asymmetrical fixed knife disposed in an oblique line. The method according to claim 1,
Wherein the plurality of rotation knives are provided with asymmetrical fixed knives which are arranged at different angles with respect to the rotation shaft. The method according to claim 1,
Wherein the rotating portion is provided with a plurality of asymmetrical fixed knives. 8. The method of claim 7,
Wherein the plurality of rotation shafts are arranged such that their rotation axes are parallel to each other. 8. The method of claim 7,
Wherein the rotary knife of the rotary part adjacent to each other is provided with an asymmetrical fixed knife disposed on a different plane. The method according to claim 1,
Wherein the driving unit is provided with an asymmetrical fixed knife for rotating and rotating the rotating shaft.
KR20140059124A 2014-05-16 2014-05-16 Multiple Crushing Apparatus Having Asymmetric Fixed Knife KR101472272B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108212411A (en) * 2018-01-16 2018-06-29 碎得机械(北京)有限公司 It is a kind of for the middle pecten of shear crusher and side pecten
KR20200051680A (en) * 2017-09-07 2020-05-13 메트소 덴마크 에이/에스 Grinding devices and methods for carrying out the service of such devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0521081B1 (en) * 1990-03-21 1994-09-21 Niro Separation A/S An apparatus for reducing materials
EP0928222B2 (en) * 1995-09-12 2007-03-21 M&J Industries A/S A comminution machine
JP4162676B2 (en) * 2005-07-25 2008-10-08 寿雄 若原 Gypsum / skin separation and recovery equipment for discarded gypsum board
KR101266852B1 (en) * 2005-06-22 2013-05-23 메트소 덴마크 에이/에스 Comminution plant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0521081B1 (en) * 1990-03-21 1994-09-21 Niro Separation A/S An apparatus for reducing materials
EP0928222B2 (en) * 1995-09-12 2007-03-21 M&J Industries A/S A comminution machine
KR101266852B1 (en) * 2005-06-22 2013-05-23 메트소 덴마크 에이/에스 Comminution plant
JP4162676B2 (en) * 2005-07-25 2008-10-08 寿雄 若原 Gypsum / skin separation and recovery equipment for discarded gypsum board

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200051680A (en) * 2017-09-07 2020-05-13 메트소 덴마크 에이/에스 Grinding devices and methods for carrying out the service of such devices
KR102662436B1 (en) * 2017-09-07 2024-05-03 엠＆제이 덴마크 에이/에스 A comminution apparatus and a method for performing service of such an apparatus
CN108212411A (en) * 2018-01-16 2018-06-29 碎得机械(北京)有限公司 It is a kind of for the middle pecten of shear crusher and side pecten
CN108212411B (en) * 2018-01-16 2023-05-23 碎得机械(北京)有限公司 Middle comb plate and side comb plate for shear crusher

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