CN114308313B

CN114308313B - A kind of comminutor

Info

Publication number: CN114308313B
Application number: CN202111565118.5A
Authority: CN
Inventors: 林溪; 马凤德
Original assignee: Jiangsu Famsun Intelligent Technology Co Ltd
Current assignee: Jiangsu Famsun Intelligent Technology Co Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2023-03-31
Anticipated expiration: 2041-12-21
Also published as: CN114308313A

Abstract

The invention provides a pulverizer, which particularly comprises a rotatable pulverizing disk; the main hammer cutters are arranged on the crushing disc and comprise first crushing ends and second crushing ends arranged on two sides of the first crushing ends, and one ends of the first crushing ends face the rotation center of the crushing disc; the auxiliary hammer cutters are arranged on the crushing disc and arranged on two sides of the main hammer cutter, an auxiliary crushing end is arranged on the outer side of each auxiliary hammer cutter, and the auxiliary crushing end close to one side of the second crushing end is configured to be in clearance fit with the second crushing end to form a crushing flow channel. The problem that the material stays and smashes regional time weak point can be solved to this application to can increase the material contact and smash the area, reinforcing crushing effect.

Description

A kind of comminutor

Technical Field

The patent relates to a food, feed processing equipment, concretely relates to rubbing crusher.

Background

The crushing part of the ultrafine crusher mainly comprises a crushing disc, a hammer knife and a gear ring. The gear ring is fixed around the crushing cavity for one circle, and the crushing disc drives the hammer cutter to rotate at high speed. The material drops down to the hammer sword region from the material mouth, and the material directly over the hammer sword collides with the hammer sword directness and smashes, and the material inboard at the hammer sword is got rid of outward under the effect of centrifugal force and is smashed to the regional collision of hammer sword.

The problem that present superfine rubbing crusher appears lies in, under the combined action of the high-speed rotation of crushing dish and pneumatic transport, the material forms the high-speed circulation with crushing dish syntropy, leads to the material too short and with hammer sword relative velocity undersize in crushing regional dwell time, and can't realize effective crushing.

Disclosure of Invention

In view of the above problems, the present application provides a scheme capable of prolonging crushing time, and the specific scheme is as follows:

a pulverizer, comprising: a crushing disc; the main hammer cutters are arranged on the crushing disc and comprise first crushing ends and second crushing ends arranged on two sides of the first crushing ends; the auxiliary hammer cutters are arranged on the crushing disc and are arranged on two sides of the main hammer cutter, an auxiliary crushing end is arranged on the outer side of each auxiliary hammer cutter, and the auxiliary crushing end close to one side of the second crushing end is configured to be in clearance fit with the second crushing end to form a crushing flow channel.

Above-mentioned scheme sets up through the cooperation of main hammer sword and the supplementary hammer sword of both sides for the material is behind the hammer sword that falls to crushing dish, under the high-speed rotation of crushing dish, the material can receive main hammer sword striking outward, can also be got rid of to the broken runner that main hammer sword and supplementary hammer sword cooperation formed, and collide through broken runner, the extrusion is smashed, above-mentioned scheme can accomplish the comminuted dwell time long for the rubbing crusher among the prior art, the hammer sword broken face that can contact is bigger, relative crushing effect is better.

The main hammer knife and the auxiliary hammer knife are further of a triangular structure, the first crushing end is arranged on the bottom surface of the main hammer knife, and the second crushing end is arranged on two side surfaces which are gradually converged upwards into a triangle from the first crushing end; the auxiliary crushing end is formed by downwards converging the bottom surface of the auxiliary hammer cutter to form two triangular side surfaces, the bottom surface of the main hammer cutter is parallel to the bottom surface of the auxiliary hammer cutter, and the second crushing end and the auxiliary crushing end on two sides of the crushing flow channel are parallel to each other.

And a plurality of saw teeth are arranged on the second crushing end.

Set to a plurality of cockscomb structures on the broken end of second with above-mentioned main hammer sword, can be so that the comminuted effect that gets into broken runner is better, and is concrete, the broken end of second sets up not the cockscomb structure can receive the basis of impact on the material, exerts a shearing force to the material for the material crushing effect is better.

And the saw teeth are of triangular structures with sharp corners facing outwards.

Further, the first crushing end includes an impact end and a shearing end extending sideways along the impact end and protruding, the shearing end being located on a side of the main hammer blade toward a rotation center of the crushing disk.

The arrangement of the shearing end enables the material to be subjected to shearing force when touching the first crushing end of the main hammer cutter, so that the crushing effect is better.

Further, the shearing end is of a protruding sharp-angled structure, and the sharp angle of the shearing end faces to the rotating center of the crushing disc.

The auxiliary hammer cutter comprises a trapezoidal hammer body and a sharp-angle end arranged at the top end of the trapezoidal hammer body, the auxiliary crushing end is arranged on two side faces of the trapezoidal hammer body, and the sharp-angle end faces the bottom face of the main hammer cutter.

Further said pointed end and said additional crusher end are made of wear resistant alloy.

Further said serrations and said first crushing end are made of a wear resistant alloy.

Further, mounting holes are formed in the main hammer cutter and the auxiliary hammer cutter, and the main hammer cutter and the auxiliary hammer cutter sequentially penetrate through the mounting holes through bolts to be connected with the crushing disc.

Drawings

FIG. 1 is a schematic view of the shredder installation;

FIG. 2 is a schematic view of the hammer blade installation;

FIG. 3 is a schematic view of the main knife and the auxiliary knife;

in the figure, 1 is a main hammer knife, 2 is an auxiliary hammer knife, 3 is a crushing flow channel, 4 is a crushing disc, 5 is a grading wheel, 6 is a feeding hole, and 7 is a driving device;

101 is a second crushing end, 102 is a first crushing end;

201 is a trapezoidal hammer body, 202 is an auxiliary crushing end, 203 is a sharp-angled end, and 204 is a mounting hole;

1021 is the strike end and 1022 is the shear end.

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 to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. 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 "under," "beneath," and "under" a second feature may be directly under or obliquely under the second 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.

As shown in fig. 1 and 2, a crushing disk 4 is installed in the inner cavity of the crusher, a driving device 7 is connected to the lower end of the crushing disk 4, the driving device 7 drives the crushing disk to rotate at a high speed, and the driving device 7 can be formed by assembling a rotating shaft with a motor, and the driving mode is a common driving mode of the crusher, so that a great deal of description is not provided herein.

The outer side of the crusher is provided with a feed inlet 6, so that the material enters the inner cavity of the crusher from the feed inlet 6 to be crushed, the material falls into the crushing disc 4 below from the feed inlet 6 after entering the inner cavity of the crusher, and is crushed by a hammer knife on the crushing disc 4, the crushing disc 4 at the moment is in a high-speed rotating state under the drive of a driving device 7, and the crushed material is classified by a classification wheel 5 above the crushing disc 4 under the action of centrifugal force and an external fan.

Because the rotating speed of the crushing disk 4 of the crusher is very high, when the materials fall onto the crushing disk 4, the materials are thrown out after passing through the hammer cutter for a short time, at the moment, the materials cannot achieve the desired crushing effect, and the materials must be crushed again, so that the energy consumption of the crusher is increased.

In order to solve the problems, a plurality of main hammer cutters 1 are arranged on the crushing disc 4, each main hammer cutter 1 comprises a first crushing end 102 and second crushing ends 101 arranged on two sides of the corresponding first crushing end 102, auxiliary hammer cutters 2 are further arranged on two sides of each main hammer cutter 1, auxiliary crushing ends 202 are arranged on two sides of each auxiliary hammer cutter 2, and the auxiliary crushing ends 202 are matched with the second crushing ends 101 to form crushing flow channels 3.

After the material falls onto the crushing disc 4, the material is not only contacted by only one crushing surface of the hammer cutter, a part of the material flows into the crushing runner 3 and is impacted by the second crushing end 101 of the main hammer cutter 1 and the auxiliary crushing end 202, meanwhile, the material falling into the crushing runner 3 is also extruded by the second crushing end 101 and the auxiliary crushing end 202, compared with the existing hammer cutter, the matching of the main hammer cutter 1 and the auxiliary hammer cutter 2 increases the impact area of the material, and the material which cannot be partially contacted by the first crushing end 102 is guided into the crushing runner 3, and the material which cannot be crushed by the first crushing end 102 is crushed by the impact and extrusion of the second crushing end 101 and the auxiliary crushing end 202, so that the crushing effect is enhanced.

In an embodiment, the second crushing end 101 is provided with a plurality of saw teeth, and the design of the saw tooth structure enables the material to be sheared under the condition of high-speed rotation, that is, the material in the crushing flow channel 3 can be impacted, extruded and sheared, so that the material crushing effect can be further enhanced.

In one embodiment, the saw teeth are arranged to be triangular structures with sharp corners facing outwards, and the structure is more convenient for shearing and crushing materials.

In the existing crusher, the end of the hammer blade close to the rotation center of the crushing disk 4 is often seriously worn after the crushing time is long, so that the hammer blade has to be replaced after being used for a period of time, therefore, the first crushing end 102 of the present application is provided with the impact end 1021 and the shearing end 1022 extending from the impact end 1021 to the rotation center of the crushing disk 4 and gradually protruding, and the protruding shearing end 1022 prolongs the service life of the main hammer blade 1, so that even if the inner side of the main hammer blade 1 is worn after being operated for a period of time, the service life of the main hammer blade 1 can be prolonged.

Meanwhile, analysis shows that when the crushing disc 4 rotates at a high speed, the main crushing end of the hammer cutter faces one side of the rotation center of the crushing disc 4, so that the shearing force can be applied to the material by using the convex shearing end 1022 in the crushing process, the crushing degree of the material can be greatly improved, the service time of the main hammer cutter 1 can be effectively prolonged by using the shearing end 1022, and the material crushing effect can be greatly enhanced.

In one embodiment the shearing end 1022 is triangular in configuration and the sharp corners of the shearing end 1022 are oriented toward the center of rotation of the shredder plate 4.

As shown in fig. 2 and 3, the main knife 1 and the auxiliary knife 2 are both triangular structures, the first crushing end 102 is located on the bottom surface of the main knife 1, the second crushing end 101 is set to be formed by upward converging the first crushing end 102 into two triangular side surfaces, the auxiliary crushing end 202 of the auxiliary knife 2 is formed by downward converging the bottom surface of the auxiliary knife 2 into two triangular side surfaces, the bottom surface of the main knife 1 is parallel to the bottom surface of the auxiliary knife 2, and the second crushing ends 101 and the auxiliary crushing ends 202 on the two sides of the crushing flow channel 3 are parallel to each other.

The crushing runner 3 can be arranged along the rotation direction of the crushing disc 4, the arrangement mode of the structure can lead the material to be more conveniently led into the crushing runner 3 along the inclined surface of the second crushing end 101 of the main hammer cutter 1 when the material rotates at a high speed on the crushing disc 4, namely the material is outwards thrown out by utilizing the centrifugal force caused by rotation after being crushed by the first crushing end 102, and the material is impacted again along the inclined surface of the second crushing end 101 of the main hammer cutter 1 towards the rotation center while being thrown out, is smoothly led into the crushing runner 3 and is upwards thrown out through the crushing runner 3.

As shown by arrows in fig. 2, the material can be crushed by the first crushing end 102 and the second crushing end 101 in one rotation of the crushing disk 4, and can be crushed for multiple times in one rotation after being impacted, extruded and sheared by the second crushing end 101 and the auxiliary crushing end 202 in the introduction crushing flow channel 3, so that the crushing effect is better, that is, the effect of multiple crushing of a common crusher can be achieved in one crushing.

In one embodiment, to enhance the wear properties of the main blade, the first crushing end 102 and the second crushing end 101 of the main blade 1 are made of a wear resistant alloy.

As shown in fig. 2, the auxiliary hammer blade 2 includes a trapezoidal hammer body 201 and a sharp corner end 203 disposed at the top end of the trapezoidal hammer body 201, the auxiliary crushing ends 202 are disposed at two side surfaces of the trapezoidal hammer body 201, the sharp corner end 203 faces the bottom surface of the main hammer blade 1, the top end of the trapezoidal hammer body 201 refers to the reduction end of the trapezoidal hammer body 201, and the sharp corner end 203 and the auxiliary crushing end 202 are both made of wear-resistant alloy.

As shown in fig. 3, the auxiliary hammer blade 2 and the main hammer blade 103 are provided with mounting holes 204 and are connected to the crushing disk 4 by bolts.

The working principle is as follows: after the material gets into the rubbing crusher inner chamber from feed inlet 6, partly material falls to the first broken end 102 department of main hammer 1, and utilize the high-speed rotatory first broken end 102's of crushing dish 4 impact to carry out the breakage, and partly material can realize the breakage through the shearing of the shearing end 1022 that sets up on the first broken end 102, simultaneously can also be along the leading-in only broken runner 3 in the inclined plane of second broken end 101 in the material of shearing end 1022 shearing, and also can carry out the breakage once more through the impact and the crushing effect of supplementary broken end 202 after the impact of second broken end 101, shearing and flow in broken runner 3.

The material that does not fall to the first crushing end 102 will fall directly to the crushing runner 3 and be thrown out after crushing by the second crushing end 102 and the additional crushing end 202.

According to the scheme, multiple crushing of materials is realized through the matching of the hammer cutter set, so that the crushing effect is far superior to that of a common hammer cutter.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above examples only show some 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 various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A pulverizer, comprising:

a rotatable grating disk;

the main hammer cutters are arranged on the crushing disc and comprise first crushing ends and second crushing ends arranged on two sides of the first crushing ends, and one ends of the first crushing ends face the rotation center of the crushing disc;

and the auxiliary hammer cutters are arranged on the crushing disc and are arranged on two sides of the main hammer cutter, an auxiliary crushing end is arranged on the outer side of each auxiliary hammer cutter, and the auxiliary crushing end close to one side of the second crushing end is configured to be in clearance fit with the second crushing end to form a crushing flow channel.

2. A pulverizer as defined in claim 1, wherein:

the main hammer cutter and the auxiliary hammer cutter are of triangular structures, the first crushing end is arranged on the bottom surface of the main hammer cutter, and the second crushing end is arranged on two side surfaces which are gradually converged upwards to form a triangle from the first crushing end;

the auxiliary crushing end is formed by downwards converging the bottom surface of the auxiliary hammer cutter to form two triangular side surfaces, the bottom surface of the main hammer cutter is parallel to the bottom surface of the auxiliary hammer cutter, and the second crushing end and the auxiliary crushing end on two sides of the crushing flow channel are parallel to each other.

3. A crusher as claimed in claim 2, characterized in that the second crushing end is provided with a number of teeth.

4. A shredder according to claim 3, characterised in that said serrations are of triangular configuration with pointed corners directed outwardly.

5. A crusher as claimed in claim 2, characterized in that said first crushing end comprises an impact end and a shearing end extending sideways along said impact end and being convex, said shearing end being located on the side of said main hammering blade facing the rotational centre of said crushing disk.

6. A shredder according to claim 5, characterised in that said shearing end is of convex pointed configuration

The sharp angle of the shearing end faces to the rotating center of the crushing disk.

7. The pulverizer as claimed in claim 2, wherein the auxiliary hammer blade includes a trapezoidal hammer body and a pointed end disposed at the top end of the trapezoidal hammer body, the auxiliary crushing end is disposed at two side surfaces of the trapezoidal hammer body, and the pointed end faces the bottom surface of the main hammer blade.

8. A shredder according to claim 7, characterised in that the pointed end and the additional shredding end are made of a wear resistant alloy.

9. A crusher as claimed in claim 3, characterized in that said serrations and said first crushing tip are made of a wear-resistant alloy.

10. The pulverizer of claim 1, wherein the main hammer blade and the auxiliary hammer blade are provided with mounting holes, and are connected with the pulverizing disk through bolts passing through the mounting holes in sequence.