CN113333126A

CN113333126A - Three-shaft shredder

Info

Publication number: CN113333126A
Application number: CN202110781293.1A
Authority: CN
Inventors: 葛平; 张干孝
Original assignee: Kunshan Gerui Precision Machinery Co ltd
Current assignee: Kunshan Gerui Precision Machinery Co ltd
Priority date: 2021-07-10
Filing date: 2021-07-10
Publication date: 2021-09-03

Abstract

The invention discloses a three-shaft shredder, which comprises: the box body is internally provided with a shredding cavity, and the top of the box body is provided with a feeding hole communicated with the shredding cavity; the first cutter shaft is rotatably arranged in the shredding cavity of the box body around a first axis and is provided with a first blade; the second cutter shaft and the third cutter shaft are rotatably arranged in the shredding cavity of the box body around the second axis and the third axis respectively, the second axis and the third axis are located below two sides of the first axis respectively, the second axis and the third axis are parallel to the first axis respectively, a second blade and a third blade are arranged on the second cutter shaft and the third cutter shaft respectively, the second blade and the third blade are arranged in a staggered fit with the first blade respectively, and the second blade and the third blade are arranged in a staggered fit with each other. After entering the shredding cavity from the feeding hole, the material is shredded for three times, so that the shredding efficiency is higher compared with that of other three-shaft shredders.

Description

Three-shaft shredder

Technical Field

The invention relates to the technical field of material shredding, in particular to a three-shaft shredder.

Background

The conventional three-shaft shredder is generally provided with a screen, the size of the material is controlled by the screen, and the material can be circularly shredded in a shredding cavity for many times when the material does not reach the discharge size of the screen, so that the relative efficiency is low; when the size and the strength of the materials to be crushed are larger, the impact force on the screen is larger, so that the screen is easy to damage or the blade is frequently reversed; the gap between the blades is small, the shredding work is completed by the lateral shearing, when the lateral surfaces of the blades are abraded to a certain degree, the blades can be quickly disabled, the blades can be continuously used only by replacing new blades, and the cost is high.

Disclosure of Invention

The invention aims to provide a three-shaft shredder to solve the technical problem.

In order to solve the above technical problem, one technical solution adopted by the present invention is to provide a three-axis shredder, including:

the box body is internally provided with a shredding cavity, and the top of the box body is provided with a feeding hole communicated with the shredding cavity;

the first cutter shaft is rotatably arranged in the shredding cavity of the box body around a first axis, and a first blade is arranged on the first cutter shaft;

second arbor and third arbor rotationally set up around second axis and third axis respectively the box tear the intracavity, the second axis with the third axis is located respectively the both sides below of first axis, the second axis with the third axis respectively with the first axis is parallel, the second arbor with be provided with second blade and third blade on the third arbor respectively, the second blade with the third blade respectively with first blade cross coordination sets up, just the second blade with the third blade is crisscross cooperation sets up each other.

In one embodiment of the invention, the rotation speed of the second cutter shaft is greater than that of the first cutter shaft, and the rotation speed of the first cutter shaft is greater than that of the third cutter shaft; the second cutter shaft and the first cutter shaft rotate in the same direction, and the third cutter shaft and the first cutter shaft rotate in opposite directions.

In an embodiment of the present invention, a cleaning blade is disposed on an inner wall of the box body, and the cleaning blade is disposed on a side of the second cutter shaft away from the first cutter shaft and the third cutter shaft, and is configured to clean the second cutter shaft.

In one embodiment of the present invention, the first cutter shaft, the second cutter shaft and the third cutter shaft are arranged in a regular triangle.

In an embodiment of the present invention, a plurality of the first blades, the second blades and the third blades are disposed on the first arbor, the second arbor and the third arbor at intervals along the first axis, the second axis and the third axis, respectively, the number of the first blades on the first arbor is smaller than the number of the third blades on the third arbor, and the number of the third blades on the third arbor is smaller than the number of the second blades on the second arbor.

In an embodiment of the present invention, the tool further includes a first motor, a second motor, and a third motor, the first motor is disposed on one side of the box body and connected to the first arbor for driving the first arbor to rotate, and the second motor and the third motor are respectively disposed on the other side of the box body and connected to the second arbor and the third arbor for driving the second arbor and the third arbor to rotate, respectively.

In one embodiment of the present invention, the first motor is connected to the first arbor through a first speed reducer, the second motor is connected to the second arbor through a second speed reducer, and the third motor is connected to the third arbor through a third speed reducer.

In one embodiment of the present invention, the hydraulic station is connected to the first motor, the second motor and the third motor, and is configured to control operations of the first motor, the second motor and the third motor.

In an embodiment of the present invention, the shredder further comprises a hopper, wherein the hopper is arranged at the feeding port of the box body and is communicated with the shredding cavity of the box body.

In one embodiment of the invention, the housing is disposed on a base.

The invention has the advantages that:

different from the prior art, by applying the technical scheme of the invention, in practical application, materials enter the shredding cavity from the feed inlet at the top of the box body, are shredded once through the first blade on the first cutter shaft and the second blade on the second cutter shaft, are shredded once through the first blade on the first cutter shaft and the third blade on the third cutter shaft, and are shredded once through the second blade on the second cutter shaft and the third blade on the third cutter shaft, namely, the materials are shredded three times after entering the shredding cavity from the feed inlet, so that the shredding efficiency is higher compared with that of other three-shaft shredding machines. Therefore, a screen is not required to be arranged, and compared with the cost of other triaxial shredders without screen wearing parts, the cost can be reduced; the clearance between the blades can be set to be larger, the abrasion of the blades has no adverse effect on the subsequent use, and the use cost is very low; compare in other triaxial shredders and be difficult to the reversal, the clearance between blade and the blade is arranged material easily.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic front view of a tri-axial shredder in one embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a tri-axial shredder in one embodiment of the present invention;

FIG. 3 is a schematic right side view of a tri-axial shredder in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view of a portion of a tri-axial shredder according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1-4, a tri-axial shredder according to an embodiment of the present invention includes a housing 2, a first arbor 4, a second arbor 5, and a third arbor 6. A shredding cavity is arranged in the box body 2, and a feeding hole communicated with the shredding cavity is formed in the top of the box body 2. The first cutter shaft 4 is rotatably arranged in the shredding cavity of the box body 2 around a first axis, and a first blade 41 is arranged on the first cutter shaft 4. The second cutter shaft 5 and the third cutter shaft 6 are rotatably arranged in the shredding cavity of the box body 2 around a second axis and a third axis respectively, the second axis and the third axis are located below two sides of the first axis respectively, the second axis and the third axis are parallel to the first axis respectively, a second blade 51 and a third blade 61 are arranged on the second cutter shaft 5 and the third cutter shaft 6 respectively, the second blade 51 and the third blade 61 are arranged in a staggered and matched mode with the first blade 41 respectively, and the second blade 51 and the third blade 61 are arranged in a staggered and matched mode.

Above-mentioned triaxial shredder, during practical application, the material gets into the chamber of tearing apart from the feed inlet at box 2 top, it once tears the piece to produce through first blade 41 on first arbor 4 and second blade 51 on the second arbor 5, it once tears the piece to produce through first blade 41 on the first arbor 4 and third blade 61 on the third arbor 6, it once tears the piece to produce through second blade 51 on the second arbor 5 and third blade 61 on the third arbor 6, also be the material follow the feed inlet and get into behind the intracavity of tearing apart, through the cubic shredding, so compare in other triaxial shredders efficiency of tearing up higher. Therefore, a screen is not required to be arranged, and compared with the cost of other triaxial shredders without screen wearing parts, the cost can be reduced; the clearance between the blades can be set to be larger, the abrasion of the blades has no adverse effect on the subsequent use, and the use cost is very low; compare in other triaxial shredders and be difficult to the reversal, the clearance between blade and the blade is arranged material easily.

In the embodiment of the invention, the rotating speed of the second cutter shaft 5 is greater than that of the first cutter shaft 4, and the rotating speed of the first cutter shaft 4 is greater than that of the third cutter shaft 6; the second cutter shaft 5 and the first cutter shaft 4 rotate in the same direction, and the third cutter shaft 6 and the first cutter shaft 4 rotate in opposite directions. In the embodiment shown in fig. 2 in particular, the first arbor 4 and the second arbor 5 rotate clockwise and the third arbor 6 rotates counter-clockwise. After the material enters the shredding cavity, the first blade 41 on the first cutter shaft 4 and the third blade 61 on the third cutter shaft 6 rotate relatively to shred the material for the first time, because the rotating speed of the first cutter shaft 4 is higher than that of the third cutter shaft 6, the shredded materials enter between the first blade 41 on the first cutter shaft 4 and the second blade 51 on the second cutter shaft 5 for secondary shredding, because the rotating directions of the first cutter shaft 4 and the second cutter shaft 5 are the same, and the rotating speed of the second cutter shaft 5 is higher than that of the first cutter shaft 4, the shredded materials are brought between the second blade 51 on the second cutter shaft 5 and the third blade 61 on the third cutter shaft 6 for third shredding, because the rotating directions of the second cutter shaft 5 and the third cutter shaft 6 are opposite, and the rotating speed of the second cutter shaft 5 is greater than that of the third cutter shaft 6, the shredded materials are discharged towards the direction of the second cutter shaft 5. So, through predetermineeing the rotational speed and the direction of rotation of first arbor 4, second arbor 5, third arbor 6, can control the direction of motion of material for the material can carry out the cubic shredding, has improved the shredding effect of material.

Further, a cleaning blade 7 is arranged on the inner wall of the box body 2, and the cleaning blade 7 is arranged on one side, away from the first cutter shaft 4 and the third cutter shaft 6, of the second cutter shaft 5 and used for cleaning the second cutter shaft 5 and cleaning residual materials accumulated on the second cutter shaft 5.

In the embodiment of the invention, the first cutter shaft 4, the second cutter shaft 5 and the third cutter shaft 6 are arranged in a regular triangle. In this manner, it is possible to facilitate control of the gap between each of the first blade 41, the second blade 51, and the third blade 61.

In the embodiment of the invention, a plurality of first blades 41, second blades 51 and third blades 61 are arranged on the first cutter shaft 4, the second cutter shaft 5 and the third cutter shaft 6 at intervals along the first axis, the second axis and the third axis respectively, the number of the first blades 41 on the first cutter shaft 4 is smaller than that of the third blades 61 on the third cutter shaft 6, and the number of the third blades 61 on the third cutter shaft 6 is smaller than that of the second blades 51 on the second cutter shaft 5. Therefore, the shredding efficiency is high, and the shredding effect on the materials is best.

In the embodiment of the invention, the triaxial shredder further comprises a hopper 3, and the hopper 3 is arranged at the feed inlet of the box body 2 and is communicated with the shredding cavity of the box body 2.

In an embodiment of the present invention, the tri-axial shredder further includes a first motor (not shown), a second motor 11 and a third motor 9, the first motor is disposed on one side of the box 2 and connected to the first arbor 4 for driving the first arbor 4 to rotate, the second motor 11 and the third motor 9 are respectively disposed on the other side of the box 2 and connected to the second arbor 5 and the third arbor 6 for driving the second arbor 5 and the third arbor 6 to rotate, respectively.

Further, the first motor is connected with the first cutter shaft 4 through a first speed reducer 8, the second motor 11 is connected with the second cutter shaft 5 through a second speed reducer 12, and the third motor 9 is connected with the third cutter shaft 6 through a third speed reducer 10.

In an embodiment of the present invention, the tri-axial shredder further comprises a hydraulic station 13, and the hydraulic station 13 is connected with the first motor, the second motor 11 and the third motor 9 and is used for controlling the work of the first motor, the second motor 11 and the third motor 9.

In the embodiment of the present invention, the case 2 is provided on the base 1.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A tri-axial shredder, comprising:

2. The tri-axial shredder according to claim 1, wherein the rotational speed of the second arbor is greater than the rotational speed of the first arbor, which is greater than the rotational speed of the third arbor; the second cutter shaft and the first cutter shaft rotate in the same direction, and the third cutter shaft and the first cutter shaft rotate in opposite directions.

3. The tri-axial shredder according to claim 2, wherein the inner wall of the box body is provided with a cleaning blade, the cleaning blade is arranged on one side of the second arbor away from the first arbor and the third arbor for cleaning the second arbor.

4. The tri-axial shredder according to claim 2, wherein the first, second and third knife shafts are arranged in a regular triangle.

5. The tri-axial shredder according to claim 2, wherein the first, second and third axles have a plurality of the first, second and third blades spaced along the first, second and third axes, respectively, the number of the first blades on the first axle being less than the number of the third blades on the third axle, the number of the third blades on the third axle being less than the number of the second blades on the second axle.

6. The tri-axial shredder according to claim 1, further comprising a first motor disposed on one side of the housing and connected to the first arbor for driving the first arbor to rotate, a second motor disposed on the other side of the housing and connected to the second arbor and the third arbor for driving the second arbor and the third arbor to rotate, respectively.

7. The tri-axial shredder according to claim 6, wherein the first motor is connected to the first arbor through a first reducer, the second motor is connected to the second arbor through a second reducer, and the third motor is connected to the third arbor through a third reducer.

8. The tri-axial shredder according to claim 7, further comprising a hydraulic station connected to the first motor, the second motor and the third motor for controlling the operation of the first motor, the second motor and the third motor.

9. The tri-axial shredder according to claim 1, further comprising a hopper disposed at the feed opening of the housing and in communication with the shredding chamber of the housing.

10. The tri-axial shredder according to claim 1, wherein the bin is disposed on a base.