Rotor structure of crusher

By setting cutting and crushing components in the rotor structure of the crusher, the problem of inconvenient disassembly and inefficient crushing efficiency in the rotor structure of the existing crusher is solved, and more efficient crushing and convenient maintenance are achieved.

CN222789389UActive Publication Date: 2025-04-25YILIANG RUQUAN AGRI MACHINERY MFG
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Patent Information

Application Number
CN202421580552.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-04-25
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

The structural components of the existing crusher rotor structure are not convenient for disassembly and replacement for maintenance, and the cutter does not crush the material thoroughly enough, and the crushing efficiency is low.

Method used

A rotor structure of a crusher is designed, and the complete crushing of the material is achieved by setting up cutting and crushing components, including a rotor drum, a spacer, a sleeve and a crushing hammer sheet. The components of this structure can be removable and replaced for easy maintenance.

Benefits of technology

By cutting the crushing assembly, the crushing efficiency is improved, the maintenance and replacement of components are facilitated, and the service life of the device is extended.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rotor structure of a crusher, which relates to the technical field of crushing equipment and particularly comprises a belt pulley, one end of the belt pulley is in threaded connection with a main shaft through a threaded bolt, the surface of the main shaft is fixedly connected with a plurality of bearing seats, and the surface of the main shaft is fixedly connected with a cutting and crushing assembly. The side, close to the cutting and smashing assembly, of the surface of the main shaft is rotationally connected with a cutter head, the cutting and smashing assembly comprises a rotating cylinder, and the surface of the rotating cylinder is fixedly connected with a plurality of partition plates. Through the arrangement of the cutting and crushing assembly, the internal structure of the cutting and crushing assembly can be detached and replaced, a user can replace internal damaged structural parts in time, the user can conveniently maintain the device, the service life of the device is prolonged, and through the arrangement of multiple groups of crushing hammers of the cutting and crushing assembly, materials are crushed more thoroughly; and the crushing efficiency of the device is greatly improved, and the practicability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of pulverizing equipment, in particular to a rotor structure of a pulverizer. Background Art

[0002] A pulverizer is a machine that crushes large solid raw materials into required sizes. It is a machine that uses high-speed rotating hammers to crush materials. It has the characteristics of simple structure, strong versatility, high productivity and safe use.

[0003] The rotor refers to a rotating body supported by bearings. Objects without a rotating shaft, such as CDs, can be regarded as a rotor when they are rigidly connected or attached to a shaft. The existing rotor structure of the pulverizer has the problems of structural components being difficult to disassemble and replace for maintenance, the cutter not pulverizing the material thoroughly enough, and the pulverizing efficiency being low. Utility Model Content

[0004] The utility model aims to provide a rotor structure of a pulverizer, which solves the problems that structural parts are inconvenient to disassemble and replace for maintenance, the cutter does not pulverize materials thoroughly enough, and the pulverizing efficiency is low by arranging a cutting and pulverizing assembly.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a rotor structure of a crusher, including a pulley, one end of the pulley is threadedly connected to a main shaft through a threaded bolt, a plurality of bearing seats are fixedly connected to the surface of the main shaft, a cutting and crushing assembly is fixedly connected to the surface of the main shaft, and a cutter disc is rotatably connected to the side of the main shaft surface close to the cutting and crushing assembly.

[0006] Preferably, the cutting and crushing assembly includes a rotating drum, a plurality of spacer plates are fixedly connected to the surface of the rotating drum, a plurality of circular grooves are opened on the surfaces of the plurality of spacer plates, a plurality of sleeves are fixedly connected to the circular grooves through pins, a crushing hammer is fixedly connected to the surface of the sleeve, and a threaded cover is threadedly connected to one end of the sleeve.

[0007] Preferably, a plurality of square grooves are provided on the surface of the cutter disc, and a movable cutter is fixedly connected inside the square groove.

[0008] Preferably, the surface of the bearing is threadedly connected with an arc-shaped cover via bolts, and the surface of the arc-shaped cover is provided with a thread groove.

[0009] Preferably, a plurality of thread grooves are formed at one end of the main shaft, and the surfaces of the thread grooves are sprayed with lubricating oil.

[0010] Preferably, a backing plate is fixedly connected to the bottom of the arc-shaped cover, a soft cushion is fixedly connected to the bottom of the backing plate, and a plurality of anti-slip grooves are provided on the surface of the soft cushion.

[0011] The utility model provides a rotor structure of a pulverizer, which has the following beneficial effects:

[0012] Through the setting of the cutting and crushing component, the internal structure of the cutting and crushing component can be disassembled and replaced, and the user can replace the damaged internal structural parts in time, which is convenient for the user to maintain the device and extend the service life of the device. The setting of multiple groups of crushing hammers of the cutting and crushing component can crush the material more thoroughly, greatly improve the crushing efficiency of the device, and improve the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a side view of the pulley of the utility model;

[0016] Figure 3 It is a top view of the cutting and crushing assembly of the utility model;

[0017] Figure 4 It is a front view of the main shaft of the utility model.

[0018] Indicated in the figure:

[0019] 1. Pulley; 2. Main shaft; 3. Bearing seat; 4. Cutting and crushing assembly; 401. Rotating drum; 402. Tooth plate; 403. Pin shaft; 404. Casing; 405. Crushing hammer; 406. Threaded cover; 5. Cutter disc; 6. Moving knife. DETAILED DESCRIPTION

[0020] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this embodiment proposes a rotor structure of a crusher, including a pulley 1, one end of the pulley 1 is threadedly connected to a main shaft 2 through a threaded bolt, a plurality of bearing seats 3 are fixedly connected to the surface of the main shaft 2, a cutting and crushing assembly 4 is fixedly connected to the surface of the main shaft 2, a cutter disc 5 is rotatably connected to the side of the main shaft 2 surface close to the cutting and crushing assembly 4, the pulley 1 drives the main shaft 2 to rotate, thereby driving the cutting and crushing assembly 4 to operate, and the bearing seat 3 can help the cutting and crushing assembly 4 to operate on the device.

[0024] like Figure 1 , Figure 3 , Figure 4 As shown, the cutting and crushing assembly 4 includes a rotating drum 401, and a plurality of tooth plates 402 are fixedly connected to the surface of the rotating drum 401. The surfaces of the plurality of tooth plates 402 are provided with a plurality of circular grooves, and the circular grooves are fixedly connected to a plurality of sleeves 404 through pins 403. A crushing hammer 405 is fixedly connected to the surface of the sleeve 404, and a threaded cover 406 is threadedly connected to one end of the sleeve 404. When cutting the material, the rotating drum 401 rotates, driving the spacer plate 402 to rotate, and then the spacer plate 402 drives the sleeve 404 and the crushing hammer 405 to rotate, thereby achieving crushing of the material.

[0025] Embodiment 2:

[0026] The solution in Example 1 is further introduced below in combination with a specific working method, as described below:

[0027] like Figure 1 , Figure 2 and Figure 4 As shown, the surface of the cutter disc 5 is provided with a plurality of square grooves, and a movable knife 6 is fixedly connected inside the square groove to prevent the material from splashing during the cutting process. The material can be cut into appropriate sizes, making it convenient for the cutting and crushing assembly 4 to cut the material.

[0028] like Figure 1 , Figure 2 and Figure 4As shown, the surface of the bearing seat 3 is connected to an arc cover by bolt threads, and a threaded groove is provided on the surface of the arc cover, so that the arc cover can be fixed on the bearing seat 3, which can facilitate the arc cover to be fixed on the chassis and increase the stability of the device.

[0029] like Figure 1 , Figure 2 and Figure 4 As shown, one end of the main shaft 2 is provided with a plurality of thread grooves, and the surface of the thread grooves is sprayed with lubricating oil, so that the main shaft 2 can be easily fixed, which can reduce the friction between devices and cause loss, and extend the service life of the device.

[0030] like Figure 1 and Figure 2 As shown, a pad is fixedly connected to the bottom of the bearing seat 3, and a soft pad is fixedly connected to the bottom of the pad. A plurality of anti-skid grooves are provided on the surface of the soft pad, so that the arc cover can be kept away from the chassis, which can reduce the wear of the arc cover, extend the service life of the device, increase the friction of the device, and prevent the device from accidentally slipping.

[0031] Embodiment 3:

[0032] The schemes in Example 1 and Example 2 are further introduced below in combination with specific working methods, as described below for details:

[0033] Specifically, the rotor structure of the crusher is at work / in use: when the device is used, first install the device inside a suitable chassis, then start the pulley 1, then the main shaft 2 drives the drum 401 to rotate, then the drum 401 drives the partition plate 402 to rotate, and then the sleeve 404 rotates, and then the sleeve 404 drives the crushing hammer 405 to rotate, thereby achieving cutting of the material.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotor structure of a pulverizer, comprising a pulley (1), characterized in that: One end of the pulley (1) is threadedly connected to a main shaft (2) via a threaded bolt, a plurality of bearing seats (3) are fixedly connected to the surface of the main shaft (2), a cutting and crushing assembly (4) is fixedly connected to the surface of the main shaft (2), and a cutter disc (5) is rotatably connected to the side of the main shaft (2) surface close to the cutting and crushing assembly (4).

2. The rotor structure of a pulverizer according to claim 1, characterized in that: The cutting and crushing assembly (4) comprises a rotating drum (401), a plurality of toothed plates (402) are fixedly connected to the surface of the rotating drum (401), a plurality of circular grooves are formed on the surfaces of the plurality of toothed plates (402), a plurality of sleeves (404) are fixedly connected to the circular grooves via pins (403), a crushing hammer (405) is fixedly connected to the surface of the sleeve (404), and a threaded cover (406) is threadedly connected to one end of the sleeve (404).

3. The rotor structure of a pulverizer according to claim 1, characterized in that: A plurality of square grooves are provided on the surface of the cutter disc (5), and a movable cutter (6) is fixedly connected inside the square groove.

4. The rotor structure of a pulverizer according to claim 1, characterized in that: The surface of the bearing seat (3) is threadedly connected with an arc-shaped cover via bolts, and the surface of the arc-shaped cover is provided with a thread groove.

5. The rotor structure of a pulverizer according to claim 1, characterized in that: One end of the main shaft (2) is provided with a plurality of thread grooves, and the surface of the thread grooves is sprayed with lubricating oil.

6. The rotor structure of a pulverizer according to claim 4, characterized in that: The bottom of the bearing seat (3) is fixedly connected with a pad, the bottom of the pad is fixedly connected with a soft pad, and the surface of the soft pad is provided with a plurality of anti-slip grooves.