CN220346063U

CN220346063U - Single-shaft pulverizer

Info

Publication number: CN220346063U
Application number: CN202321810164.1U
Authority: CN
Inventors: 黄广基; 段振华; 谢正华; 欧阳荣国; 邹忠通; 王庆玮
Original assignee: Chenzhou Zhizao Technology Co ltd
Current assignee: Chenzhou Zhizao Technology Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-01-16
Anticipated expiration: 2033-07-11

Abstract

The utility model discloses a single-shaft pulverizer which comprises supporting legs and a machine shell, wherein the supporting legs are fixedly arranged on the lower end face of the machine shell, a feed hopper is arranged at the top end of the machine shell, a cutter box assembly is fixedly arranged in the machine shell, a cutter shaft is connected in a rotating manner in the cutter box assembly, a pulverizing blade is arranged on the cutter shaft, one end of the cutter shaft penetrates through the side wall of the machine shell and is fixedly connected with a belt pulley assembly, the belt pulley assembly is fixedly connected with a driving wheel through a driving belt, and a motor is arranged at the center of the driving wheel. The electric control of the single-shaft pulverizer adopts PLC automatic control and star-delta starting; the adjusting starting mode is a variable frequency starting or servo mode, so that impact of high-power motor starting on a power grid is reduced, meanwhile, a man-machine interaction interface is adopted, working states of the motor and the crusher in various aspects are monitored in real time, the material pressing device is controlled intelligently, visual operation is achieved, and the operation is simple and visual and is more humanized.

Description

Single-shaft pulverizer

Technical Field

The utility model relates to the technical field of crushers, in particular to a single-shaft crusher.

Background

The existing shredder for solid waste garbage can be classified into single-shaft, double-shaft and four-shaft shredders and coarse shredders according to applicable conditions and crushing requirements. Each shredder type is adapted for different crushing requirements. The treatment of a large amount of large materials such as industrial waste, papermaking waste, wind power blades and the like requires a plurality of crushers to be connected into a production line for treatment, and the problems of large occupied area, complex process and the like exist. Therefore, in the environmental protection industry, a novel pulverizer capable of directly processing and crushing large materials into small particle sizes (80 mm), namely a large single-shaft pulverizer, is proposed and starts to be popularized. The application focuses on researching a large single-shaft pulverizer, and researches on torque, rotating speed, action program, knife-type configuration and the like are conducted aiming at different material treatment aspects; in the aspect of wearing parts, such as cutters, screens and the like, how to improve the service life of the wearing parts is studied; the technical problems of improving the single-machine yield, reducing the energy consumption of unit yield and the like are researched, and a large single-shaft pulverizer with better performance and advanced technology is developed.

In order to solve the problems, the utility model provides a single-shaft pulverizer.

Disclosure of Invention

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a unipolar rubbing crusher, includes supporting leg and casing, supporting leg fixed mounting is at the lower terminal surface of casing, the top of casing is provided with the feeder hopper, fixed mounting has the tool box subassembly in the casing, tool box subassembly internal rotation is connected with the arbor, be provided with crushing blade on the arbor, the lateral wall and the fixedly connected with belt pulley assembly of casing are run through to the one end of arbor, belt pulley assembly passes through the drive belt fixedly connected with action wheel, the center department of action wheel is provided with the motor, the output fixed connection of motor is in the center department of action wheel, motor fixed mounting is on the lateral wall of casing, the lower extreme of tool box subassembly is provided with down the hopper, the lower extreme of hopper is provided with the qianmen subassembly down.

The utility model provides a single-shaft pulverizer, which has the following beneficial effects:

1. the single-machine output of the existing single-shaft pulverizer is 3-5 tons/hour, and the single-machine output reaches 8-10 tons/hour after innovation of the single-shaft pulverizer. The number of the crushers required by the same yield requirement is halved, the investment of unit yield is less, the arrangement of the crushers is more convenient, and meanwhile, the occupied area of a factory building is reduced.

2. The electric control of the single-shaft pulverizer adopts PLC automatic control and star-delta starting; the adjusting starting mode is a variable frequency starting or servo mode, so that impact of high-power motor starting on a power grid is reduced, meanwhile, a man-machine interaction interface is adopted, working states of the motor and the crusher in various aspects are monitored in real time, the material pressing device is controlled intelligently, visual operation is achieved, and the operation is simple and visual and is more humanized.

Drawings

Fig. 1 is a schematic diagram of a front structure of a single-shaft pulverizer according to the present utility model;

FIG. 2 is a schematic side view of a single-shaft pulverizer according to the present utility model;

fig. 3 is a schematic perspective view of a single-shaft pulverizer according to the present utility model.

In the figure: 1 feeder hopper, 2 knife case subassembly, 3 qianmen subassembly, 4 belt pulley subassembly, 5 hopper, 6 motors, 7 supporting legs down.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

Example 1

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a unipolar pulverizer, including supporting leg 7 and casing, supporting leg 7 fixed mounting is at the lower terminal surface of casing, the top of casing is provided with feeder hopper 1, fixed mounting has tool box subassembly 2 in the casing, tool box subassembly 2 internal rotation is connected with the arbor, be provided with crushing blade on the arbor, the lateral wall of casing is run through to one end of arbor and fixedly connected with belt pulley assembly 4, belt pulley assembly 4 passes through the action wheel of drive belt fixedly connected with, the center department of action wheel is provided with motor 6, the output fixed connection of motor 6 is in the center department of action wheel, motor 6 fixed mounting is on the lateral wall of casing, the lower extreme of tool box subassembly 2 is provided with down hopper 5, the upper end of lower hopper 5 is provided with the screen cloth, the lower extreme of lower hopper 5 is provided with qianmen subassembly 3.

The utility model starts from improving the output of a single machine, improving the crushing smoothness and prolonging the service life of easily damaged parts, innovatively designs the whole machine, increases the power of the crusher, is additionally provided with an overload protection system, improves the adaptability to materials, improves the productivity of the crusher on the basis of reasonably controlling the grain size, and reduces the energy consumption of unit output.

Example two

According to the utility model, the front end of the pulverizer is provided with coarse crushing, and large-sized materials with the size not meeting the requirements are treated, so that the materials are uniform and controllable, the particle size of most of the materials fed is ensured to meet the requirements, and the rear end molding process is smoother; the metal removing device is arranged on the inner wall of the crusher to prevent the unbreakable matters from entering the bin of the large single-shaft crusher and damaging the cutter and the screen; and meanwhile, the service life of the cutter, the screen mesh material and the treatment process is prolonged by changing the cutter, the screen mesh material and the treatment process.

Example III

According to the utility model, the arc pressing structure is arranged in the pulverizer, the pressing speed is intelligently adjusted according to the load of the main shaft, the pressing stroke is intelligently judged according to the material condition, or the operation mode is directly selected at the electric control end, and the pressing system is more intelligent.

Example IV

On the basis of not changing the overall dimension of the cutter shaft of the cutter roller and the crushing cutter, the utility model innovatively adopts a solid main shaft structure, the cutter roller adopts flange positioning and the whole locking mode of the cutter roller and the main shaft, thereby ensuring the running stability.

Example five

According to the utility model, the service life of the cutter and the screen is prolonged by changing the materials, the heat treatment process and the structure of the cutter and the screen. The cutter adopts high-grade grinding tool steel, tungsten steel and the like, and the screen is made of wear-resistant steel, so that the service lives of the cutter and the screen are prolonged to 1000 hours, the cutter needs to be replaced for 1 time, the replacement and shutdown times are reduced, and the operation and maintenance are simpler and more convenient. The unit maintenance cost is reduced, and the production efficiency is improved.

Example six

According to the utility model, by changing the type and transmission structure of the motor 6, the power system directly adopts the permanent magnet synchronous motor, the large-diameter belt pulley with the torque limiter, the motor 6 is small in size and more convenient to install, and the torque limiter protects the whole machine and effectively prevents the host from overload damage.

Example seven

The utility model adopts PLC automatic control by electric control and star-delta starting; the starting mode is adjusted to be a variable frequency starting or servo mode, impact of high-power motor starting on a power grid is reduced, meanwhile, a man-machine interaction interface is adopted, working states of the motor and the crusher in all aspects are monitored in real time, the material pressing device is intelligently controlled, visual operation is achieved, and the operation is simple and visual and is more humanized

The working principle of the utility model is as follows: the material to be crushed is placed into the crusher through the feed hopper 1, then the motor 6 is started, the motor 6 drives the driving wheel to rotate through the output end, the belt pulley assembly 4 is driven to rotate, the belt pulley assembly 4 drives the cutter shaft to rotate, the cutter shaft drives the crushing blade to rotate, the material to be crushed entering the cutter box assembly 2 is crushed, and the crushed material is discharged from the front door assembly 3 through the discharging hopper 5.

The single-machine output of the existing single-shaft pulverizer is 3-5 tons/hour, and the single-machine output reaches 8-10 tons/hour after project innovation. The number of the crushers is halved for the same yield requirement, the investment of unit yield is less, the arrangement of the crushers is more convenient, and meanwhile, the occupied area of a factory building is reduced.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims

1. The utility model provides a unipolar rubbing crusher, includes supporting leg (7) and casing, a serial communication port, supporting leg (7) fixed mounting is in the lower terminal surface of casing, the top of casing is provided with feeder hopper (1), fixed mounting has tool box subassembly (2) in the casing, tool box subassembly (2) internal rotation is connected with the arbor, be provided with crushing blade on the arbor, lateral wall and fixedly connected with belt pulley assembly (4) of casing are run through to the one end of arbor, belt pulley assembly (4) are through drive belt fixedly connected with action wheel, the center department of action wheel is provided with motor (6), the output fixed connection of motor (6) is in the center department of action wheel, motor (6) fixed mounting is on the lateral wall of casing, the lower extreme of tool box subassembly (2) is provided with down hopper (5), the lower extreme of hopper (5) is provided with qianmen subassembly (3).