CN220405824U

CN220405824U - Crushing mechanism

Info

Publication number: CN220405824U
Application number: CN202321894478.4U
Authority: CN
Inventors: 蒋伟; 彭陈进; 徐尚书; 魏鹏
Original assignee: Sichuan Lidahuarui Machinery Co ltd
Current assignee: Sichuan Lidahuarui Machinery Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-01-30
Anticipated expiration: 2033-07-18

Abstract

The utility model relates to the technical field of crushers, in particular to a crushing mechanism which comprises a rotary table, hammer head assemblies and hammer sheet assemblies, wherein a plurality of the hammer head assemblies are arranged on the rotary table at intervals along the rotation circumference of the rotary table, and a plurality of the hammer sheet assemblies are arranged on the rotary table at intervals along the rotation circumference of the rotary table. According to the crushing mechanism, the hammer head assembly and the hammer sheet assembly are integrated on the turntable, and the materials can be subjected to impact crushing and shearing crushing, so that the fiber-type materials can be effectively crushed, the crushing fineness is improved, the crushing efficiency and the crushing effect are improved, and the crushing driving power consumption is reduced.

Description

Crushing mechanism

Technical Field

The utility model relates to the technical field of crushers, in particular to a crushing mechanism.

Background

The main components of the superfine pulverizer comprise a pulverizing mechanism, the pulverizing mechanism is generally composed of a gear ring and a pulverizing disc, the pulverizing disc comprises a rotary table and a plurality of hammers distributed along the rotary circumferential direction of the rotary table, and the gear ring surrounds the periphery of the rotary circumferential direction of the pulverizing disc. The hammer head pulverizes the material in a high-speed impact mode, and the high-speed rotation of the hammer head throws the material to the peripheral gear ring, and the high-speed air flow impacts the material, so that the materials are in strong collision and friction with each other, and the aim of fine crushing is achieved. The existing crushing mechanism mainly utilizes hammerheads to impact materials for impact crushing and utilizes collision and friction among the materials for friction crushing, so that the fiber type materials are difficult to effectively crush, and the crushing fineness is poor.

Disclosure of Invention

The utility model aims to solve the technical problems and the technical task provided by the utility model to improve the prior art, provide a crushing mechanism and solve the problem that the crushing mechanism adopted by the ultrafine crusher in the prior art mainly adopts an impact crushing mode and has poor crushing effect on fiber materials.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides a crushing mechanism, includes carousel, tup subassembly and hammer leaf subassembly, be provided with a plurality of along its rotation circumference interval on the carousel the tup subassembly, be provided with a plurality of along its rotation circumference interval on the carousel the hammer leaf subassembly. According to the crushing mechanism disclosed by the utility model, the hammer head assembly and the hammer sheet assembly are integrated on the turntable, the hammer head assembly is used for mainly carrying out impact crushing on materials, and the hammer sheet assembly is used for mainly carrying out shearing crushing on the materials, so that the fiber type materials can be effectively crushed, the crushing fineness is improved, the crushing efficiency and the crushing effect are improved, and the crushing driving power consumption is reduced.

Further, a beam plate is connected between the adjacent hammer assemblies, and a space is reserved between the beam plate and the turntable so as to form an air duct between the adjacent hammer assemblies. When rotating, the turntable forms airflow flowing towards the radial outer side at the air duct, the airflow speed is high, the flow is high, the material on the turntable is thrown onto the peripheral gear ring of the circumference of the turntable, the material is more fully collided and rubbed between the gear ring and the hammer head assembly and between the gear ring and the hammer sheet assembly, the crushing effect is improved, and the crushing power consumption is reduced.

Further, the hammer head assembly is arranged at the position of the air duct, and the air flow flowing through the air duct entrains the materials to flow to the radial outside, so that the hammer head assembly can better impact and crush the flowing materials.

Further, the top of tup subassembly has the interval between beam slab, ensures the patency in wind channel, ensures that the carousel can form the air current that velocity of flow is fast, flow is big in wind channel department when rotating, is favorable to improving crushing effect.

Further, the whole ring that is concentric with the carousel that is of beam plate, the beam plate is connected the top of hammer leaf subassembly, simple structure easily installs and removes, utilizes the beam plate can also improve hammer leaf subassembly's overall structure stability.

Further, the hammer piece assembly comprises a pin shaft and a plurality of flaky hammer pieces, the pin shafts are vertically arranged on the rotary table, the hammer pieces are connected to the pin shafts at intervals, and the hammer pieces can shear materials in the rotating direction along with the rotation of the rotary table, so that the fibrous materials are sheared and crushed.

Further, the hammer sheets are parallel to each other and to the rotation plane of the turntable, ensuring an optimal shearing effect in the rotation direction.

Furthermore, the hammer head assembly and the hammer sheet assembly are alternately distributed on the rotary table, and impact crushing and shearing crushing are alternately performed, so that the crushing efficiency and the crushing effect are improved.

Further, the number of the hammer head assemblies is the same as that of the hammer sheet assemblies, so that the whole structure of the crushing mechanism is uniform, and the running is more stable.

Further, the hammer head assembly comprises a hammer head main body, at least two striking surfaces are arranged on the hammer head main body at intervals along the moving direction of the hammer head main body, and a plurality of channels extending along the moving direction are formed in the striking surfaces. The impact face is divided into a plurality of spaced impact parts by the channels, and the impact face with the channels is used for shearing and crushing the materials when the materials are impacted and crushed, so that high-efficiency crushing can be realized on the high-fiber materials, the crushing fineness is improved, the crushing production efficiency is improved, and the channels extend along the moving direction, so that the windage coefficient of the hammer head assembly in the moving process is small, and the driving energy consumption can be reduced.

Compared with the prior art, the utility model has the advantages that:

according to the crushing mechanism, the hammer head assembly and the hammer sheet assembly are integrated on the turntable, and the materials can be subjected to impact crushing and shearing crushing, so that the fiber-type materials can be effectively crushed, the crushing fineness is improved, the crushing efficiency and the crushing effect are improved, and the crushing driving power consumption is reduced.

Drawings

FIG. 1 is a schematic view of the whole structure of a pulverizing mechanism of the present utility model;

FIG. 2 is a schematic view of the hammer assembly of the present utility model;

FIG. 3 is a schematic view of the overall structure of a hammer head assembly of the present utility model;

FIG. 4 is a schematic view of another side structure of a hammer head assembly of the present utility model;

FIG. 5 is a schematic top view of the hammer head assembly of the present utility model;

fig. 6 is a schematic side view of the hammer head assembly of the present utility model.

In the figure:

hammer head assembly 100, hammer head main body 1, striking face 11, channel 12, tooth-shaped protrusion 13, wear-resistant layer 14, hammer piece assembly 200, pin shaft 21, hammer piece 22, rotary disk 300, beam plate 400, air duct 401.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The crushing mechanism disclosed by the embodiment of the utility model can be used for carrying out impact crushing and shearing crushing, can be used for effectively crushing fiber materials, and has good crushing fineness and uniformity.

As shown in fig. 1, a pulverizing mechanism mainly includes a rotary table 300, on which a hammer head assembly 100 and a hammer blade assembly 200 are integrally disposed, specifically, the hammer head assembly 100 is disposed at intervals along the rotation circumference of the rotary table 300, and the hammer blade assembly 200 is disposed at intervals along the rotation circumference of the rotary table 300, preferably, the number of the hammer head assemblies 100 is the same as that of the hammer blade assemblies 200, and the hammer head assemblies 100 and the hammer blade assemblies 200 are alternately disposed on the rotary table 300, in other words, one hammer head assembly 100 is disposed between two adjacent hammer blade assemblies 200, or expressed as one hammer blade assembly 200 between two adjacent hammer head assemblies 100. The hammer head assembly 100 mainly performs impact crushing on materials, and the hammer blade assembly 200 mainly performs shearing crushing on the materials, so that the fiber type materials are crushed effectively, the crushing fineness is improved, the crushing efficiency and the crushing effect are improved, and the crushing driving power consumption is reduced.

In this embodiment, as shown in fig. 2, the hammer assembly 200 includes a pin 21 and a plurality of sheet-shaped hammers 22, the pin 21 is vertically installed on the turntable 300, the pin 21 is parallel to the rotation axis of the turntable 300, the hammers 22 are connected to the pin 21 at intervals, specifically, a spacer is disposed on the pin 21 to space the hammers 22 and keep a stable space, further, each hammer assembly 200 includes two pins 21 parallel to each other, and diameters of the two pins 21 are different, so that assembly is facilitated, and reverse installation of the hammers is avoided. The hammer blades 22 are parallel to each other, and the hammer blades 22 are parallel to the rotation plane of the turntable 300, so that when the hammer blade assembly 200 rotates along with the turntable 300, a good shearing action can be applied in the rotation direction, and the crushing effect of the fiber-type material is ensured.

In this embodiment, a beam plate 400 is connected between the adjacent hammer assemblies 200, a space is provided between the beam plate 400 and the turntable 300 to form an air channel 401 between the adjacent hammer assemblies 200, when the turntable 300 rotates, an air flow flowing radially outwards is formed at the air channel 401, the air flow speed is high, the flow is high, the material on the turntable 300 is easy to be thrown onto a gear ring at the periphery of the turntable 300, the material is more fully collided and rubbed between the gear ring and the hammer assemblies, and the crushing effect is improved. In this embodiment, the beam plate 400 is integrally formed as a ring concentric with the turntable 300, the beam plate 400 is connected with the top of each hammer assembly 200, specifically, a connection hole is formed in the beam plate 400, and the pin shaft 21 of the hammer assembly 200 passes through the connection hole and is fixedly connected with the turntable 300, so that the structure is simple, implementation is easy, and assembly and disassembly are convenient.

Further, the hammer head assembly 100 is disposed at the position of the air channel 401 between the adjacent hammer assemblies 200, and a space is provided between the top of the hammer head assembly 100 and the beam plate 400, so that smoothness of the air channel 401 is ensured, and when the turntable rotates, air flow with high flow speed and high flow rate can be formed at the air channel, and the air flow flowing through the air channel entrains materials to flow radially outwards, so that the hammer head assembly 100 can better impact and crush the flowing materials.

More preferably, as shown in fig. 3 to 6, the hammer head assembly 100 also has a shearing and crushing function, the hammer head assembly 100 includes a hammer head main body 1, three striking surfaces 11 are disposed on the hammer head main body 1 at intervals along the moving direction thereof, a plurality of channels 12 extending along the moving direction are formed on the striking surface 11, the moving direction refers to the rotating direction of the hammer head assembly 100 along with the turntable 300, specifically, the channels 12 are disposed at the edge of the striking surface 11, and the channels 12 are uniformly distributed at intervals along the edge of the striking surface 11, so that the edge of the striking surface 11 is actually in a tooth-shaped structure, preferably, the cross section of the channel 12 is U-shaped, of course, other shapes, such as v-shaped grooves, rectangular grooves, and the like, the striking surface 11 which is originally in a whole surface is divided into a plurality of spaced parts, the striking surface 11 is sheared and crushed by impact, and the beating and crushing effect is improved by the shearing and crushing from the front surface 11 to the striking surface 11. The hammer head main body 1 is provided with a mounting through hole 15, the hammer head main body 1 is mounted on the turntable 300 through the mounting through hole 15, the mounting through hole 15 is perpendicular to the rotation axial direction of the turntable 300,

since the hammer head body 1 moves circumferentially to crush, the side edge of the hammer head body 1 on the radially outer side of the rotary table 300 is provided with the tooth-like projections 13 distributed in the moving direction, that is, the tooth-like projections 13 are distributed on the side edge of the hammer head body 1 on the radially outer side of the rotary table 300 in the rotating circumferential direction of the rotary table 300, the side edge of the tooth-like projections 13 on the moving direction constitutes the striking face 11, in other words, the striking face 11 is provided on the side edge of the hammer head body 1 on the radially outer side of the rotary table 300, further, the groove 12 is provided at the edge of the striking face 11 on the radially outer side of the rotary table 300, that is, the groove 12 is provided at the tooth tips of the tooth-like projections 13, the groove 12 is distributed at intervals along the tooth tips of the tooth-like projections 13, and the width direction of the tooth tips is parallel to the rotating axial direction of the rotary table 300, that is so that the groove 12 is distributed at intervals along the rotating axial direction of the rotary table 300, so that the tooth tips of the tooth tips 13 are serrated. The striking surfaces 11 are not parallel to each other, that is, the included angles between each striking surface 11 and the movement direction are different, each striking surface 11 can differentially strike the material, so as to improve the crushing sufficiency, specifically, the striking surface 11 is perpendicular to the rotation plane of the turntable 300, and of course, the striking surface 11 can also be inclined to the rotation plane of the turntable 300.

The channels 12 on the adjacent beating surfaces 11 are arranged in a staggered manner, that is, the channels 12 on the previous beating surface 11 are not right opposite to the channels 12 on the next beating surface 11, and the material passing along the channels 12 on the previous beating surface 11 can strike the beating part of the next beating surface 11 and cannot directly pass through the channels 12 of the next beating surface 11, so that each beating surface 11 can be fully utilized, the beating surfaces 11 can be ensured to fully strike, smash, shear and smash the material, and the smashing effect is improved. Because the toothed protrusion 13 is disposed on the side of the hammer body 1 near the radial outer side of the turntable 300, and the side of the toothed protrusion 13 near the movement forms the striking surface 11, the channel 12 on the previous striking surface 11 extends to the position of the next striking surface 11 along the movement direction, preferably, the channel 12 has a certain depth, so that the tail end of the channel 12 on the previous striking surface 11 extends to the root of the toothed protrusion 13 of the next striking surface 11, further, the material passing through the channel on the previous striking surface 11 can be fully contacted and impacted on the next striking surface 11, the function of crushing the material can be fully played by the next striking surface 11, and the crushing efficiency is improved.

Further, the striking face 11 is further connected with a wear-resistant layer 14, a notch matched with the channel 12 is formed in the wear-resistant layer 14, specifically, the wear-resistant layer 14 is an alloy layer, the wear-resistant layer 14 is connected to the striking face 11 in a welding mode, impact resistance and wear resistance of the striking face 11 are improved, breakage of the hammer head main body 1 is avoided, the wear-resistant layer 14 can be replaced conveniently, maintenance cost is reduced, and service life of the hammer head assembly 100 is prolonged.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the utility model, and the scope of the utility model should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims

1. The utility model provides a crushing mechanism, its characterized in that includes carousel (300), tup subassembly (100) and hammer leaf subassembly (200), be provided with a plurality of on carousel (300) along its rotation circumference interval hammer leaf subassembly (100), be provided with on carousel (300) along its rotation circumference interval a plurality of hammer leaf subassembly (200).

2. The shredder mechanism of claim 1, wherein a beam plate (400) is connected between adjacent ones of the hammer assemblies (200), the beam plate (400) and the turntable (300) having a spacing therebetween to form an air duct (401) between adjacent ones of the hammer assemblies (200).

3. A comminution mechanism according to claim 2, characterized in that the hammer head assembly (100) is arranged in the air duct (401).

4. A comminution mechanism as claimed in claim 3, in which the top of the hammer head assembly (100) is spaced from the beam plate (400).

5. The shredder mechanism of claim 2, wherein the beam (400) is generally circular concentric with the turntable (300), the beam (400) being attached to the top of the hammer assembly (200).

6. The shredder mechanism according to any one of claims 1 to 5, wherein the hammer assembly (200) comprises a pin shaft (21) and a plurality of sheet-shaped hammers (22), the pin shaft (21) is vertically installed on the turntable (300), and the hammers (22) are connected to the pin shaft (21) at intervals.

7. A comminution mechanism according to claim 6, characterized in that the hammers (22) are parallel to each other and the hammers (22) are parallel to the plane of rotation of the turntable (300).

8. A comminution mechanism according to any of claims 1 to 5, characterized in that the hammer head assembly (100) and the hammer blade assembly (200) are arranged alternately on the turntable (300).

9. A comminution mechanism according to any of claims 1 to 5, characterized in that the number of hammer head assemblies (100) is the same as the number of hammer blade assemblies (200).

10. A comminution mechanism according to any one of claims 1 to 5, characterized in that the hammer head assembly (100) comprises a hammer head body (1), at least two striking surfaces (11) are arranged on the hammer head body (1) at intervals along the movement direction, and a plurality of channels (12) extending along the movement direction are arranged on the striking surfaces (11).