CN218742211U - Material crushing device for concrete production - Google Patents

Abstract

The utility model relates to a material crushing device for concrete production, which comprises a bucket body, a crushing assembly and a dust removal assembly. There is a discharge port; the crushing assembly includes two groups, and the two groups of crushing assemblies are symmetrically arranged on both sides inside the bucket body. The crushing assembly includes a crushing roller and a driving mechanism, and the crushing roller is horizontally arranged inside the crushing cavity. The two ends of the rotating shaft of the crushing roller are rotated and arranged on the bucket body, the driving mechanism is arranged on the outside of the bucket body, one end of the rotating shaft is connected to the output end of the driving mechanism, and the driving mechanism is used to drive the rotating shaft to drive the crushing Roller spins. The material crushing device of the utility model has a reasonable structure, can crush the materials used for concrete production, and absorbs the dust at the discharge port through the dust removal assembly to reduce the dust generated by crushing the materials.

Description

A material crushing device for concrete production

technical field

The utility model relates to the technical field of concrete production, in particular to a material crushing device for concrete production.

Background technique

Concrete is a general term for composite materials that are composed of gel material, aggregate and water in an appropriate proportion, and then hardened after a certain period of time. It is the most widely used artificial civil construction material in the world. Concrete has high hardness, wide sources of raw materials, and low cost, and is widely used in structures such as houses, roads, military projects, and nuclear power plants.

During the production of concrete, the materials used for its production need to be crushed. However, when the material is crushed, a large amount of dust will be generated, which seriously pollutes the environment, so it needs to be improved.

Utility model content

The technical problem to be solved by this utility model is to provide a material crushing device for concrete production in view of the above deficiencies. Reduce the dust generated by crushing materials.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A material crushing device for concrete production, comprising a bucket body, a crushing assembly and a dust removal assembly, a crushing chamber is provided inside the bucket body, a feeding port is provided at the top of the bucket body, and a discharge port is provided at the bottom ;

The crushing assembly includes two groups, and the two groups of crushing assemblies are symmetrically arranged on both sides inside the bucket body. The crushing assembly includes a crushing roller and a driving mechanism, and the crushing roller is horizontally arranged on the inside of the crushing cavity. The two ends are rotatably arranged on the bucket body, the driving mechanism is arranged on the outside of the bucket body, one end of the rotating shaft is connected to the output end of the driving mechanism, and the driving mechanism is used to drive the rotating shaft to rotate to drive the crushing roller to rotate;

A dust outlet is provided on the side of the discharge port, and the dust removal assembly includes a connecting pipe, a dust removal box and an air pump. The two sides of the dust removal box are respectively provided with an input end and an output end. The dust port is connected, and the other end is connected with the input end of the dust removal box. The air pump is arranged at the output end of the dust removal box, and the air pump is used to extract the air in the dust removal box.

Further, the drive mechanism includes a reducer and a motor, the output end of the motor is connected to the input end of the reducer, and the output end of the reducer is connected to one end of the rotating shaft of the crushing roller.

Further, a first filter screen is provided at the dust outlet.

Further, the inner diameter of the connecting pipe gradually decreases from the dust outlet to the input end of the dust removal box.

Further, a second filter screen is vertically arranged in the dust removal box, the input end and the output end of the dust removal box are respectively arranged on both sides of the second filter screen, and the top of the dust removal box is located near the second filter screen. There is a cleaning port next to one side of the dust discharge port, and a cover plate is provided on the top of the cleaning port, and the cover plate is used to open or close the cleaning port. The bottom of the dust removal box is located near the second filter screen to the dust discharge port. One side is provided with a dust-scraping board, and the bottom of the dust-scraping board is vertically provided with a guide rod, and the bottom end of the guide rod runs through the bottom of the dust removal box.

Further, a handle is provided at the bottom of the guide rod.

After the utility model adopts the above technical scheme, compared with the prior art, it has the following advantages:

The material crushing device of the utility model has a reasonable structure. The material is crushed by a crushing roller to obtain material particles, and a dust removal port is provided at the discharge port, and a negative pressure is formed on the dust removal box through an air pump to remove the dust at the discharge port from the discharge port. The dust port is sucked into the connecting pipe, the first filter will prevent the crushed material from entering the connecting pipe, the dust will enter the dust box through the connecting pipe, and the dust will be intercepted in the dust box by the second filter to reduce the dust at the discharge port , reduce the spread of dust, and avoid excessive dust from affecting the environment;

There is a cleaning port on the top of the dust removal box. When there is too much dust attached to the second filter plate, the scraping plate can be pushed up through the guide rod to scrape off the dust on the second filter plate and discharged through the cleaning port to avoid the second Too much dust on the filter plate affects the dust removal efficiency.

The utility model is described in detail below in conjunction with accompanying drawing and embodiment.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the present utility model;

Figure 2 is an enlarged schematic view of the dust removal box in Figure 1;

Fig. 3 is a schematic top view sectional view of the crushing chamber of the present invention.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Bucket body; 11. Crushing cavity; 12. Feed inlet; 13. Discharge port; 2. Crushing roller; 21. Rotating shaft; 31. Connecting pipe; 32. Dust removal box; 321. Cleaning port; 322. Cover Plate; 33, air pump; 41, reducer; 42, motor; 5, the first filter screen; 6, the second filter screen; 7, dust-scraping board; 71, guide rod; 72, handle.

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device or element Must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention.

As shown in Figures 1 and 2, a material crushing device for concrete production includes a bucket body 1, a crushing assembly and a dust removal assembly. The top is provided with a material inlet 12, and the bottom is provided with a material outlet 13;

The crushing assembly includes two groups, and the two groups of crushing assemblies are symmetrically arranged on both sides inside the bucket body 1. The crushing assembly includes a crushing roller 2 and a driving mechanism, and the crushing roller 2 is horizontally arranged inside the crushing chamber 11. The two ends of the rotating shaft 21 of the crushing roller 2 are rotated and arranged on the bucket body 1, the driving mechanism is arranged on the outside of the bucket body 1, and one end of the rotating shaft 21 is connected with the output end of the driving mechanism, and the driving mechanism is used to drive the rotating shaft 21 rotates to drive the crushing roller 2 to rotate;

The side of the discharge port 13 is provided with a dust outlet, and the dust removal assembly includes a connecting pipe 31, a dust removal box 32 and an air pump 33, and the two sides of the dust removal box 32 are respectively provided with an input end and an output end. One end of the pipe 31 is connected to the dust outlet, and the other end is connected to the input end of the dust removal box 32 .

As shown in Figure 3, as an embodiment, the drive mechanism includes a speed reducer 41 and a motor 42, the output end of the motor 42 is connected to the input end of the speed reducer 41, and the output end of the speed reducer 41 is connected to the pulverizer One end of the rotating shaft 21 of the roller 2 is connected.

As an implementation manner, a first filter screen 5 is provided at the dust outlet.

As an implementation, the inner diameter of the connecting pipe 31 gradually decreases from the dust outlet to the input end of the dust removal box 32 .

As an embodiment, the dust removal box 32 is vertically provided with a second filter screen 6, and the input and output ends of the dust removal box 32 are respectively arranged on both sides of the second filter screen 6. The dust removal box 32 The top of the second filter screen 6 near the side of the dust outlet is provided with a cleaning port 321, the top of the cleaning port 321 is provided with a cover plate 322, and the cover plate 322 is used to open or close the cleaning port 321, so The bottom of the dust removal box 32 is located next to the side of the second filter screen 6 near the dust discharge port, and a dust scraper 7 is arranged, and the bottom of the dust scraper 7 is vertically provided with a guide rod 71, and the bottom of the guide rod 71 The end runs through the bottom of the dust removal box 32.

As an embodiment, a handle 72 is provided at the bottom of the guide rod 71 .

In this embodiment, the mesh size of the first filter screen 5 is greater than the mesh size of the second filter screen 6, the first filter screen is used to block the crushed material particles, and only allows dust to pass through the first filter screen 5, while the second filter screen The filter screen 6 is used to trap dust in the dust removal box 32 .

Working principle of the utility model:

When in use, the materials for concrete production are input into the crushing chamber 11 from the feed port 12;

The motor 42 drives the rotating shaft 21 to rotate through the reducer 41 to drive the crushing roller 2 to rotate, and the material is crushed by the crushing roller 2 to obtain crushed material particles, which fall to the discharge port 13 under the action of gravity;

When the material is crushed, dust will also be generated, and the air pump 33 will form a negative pressure in the dust removal box 32 to suck the dust at the discharge port 13 into the connecting pipe 31, and the dust will pass through the first connecting pipe 31 when it is sucked into the connecting pipe 31. Filter screen 5, the first filter screen 5 will prevent material particles from passing through the first filter screen 5, and only allow dust with a particle size smaller than the mesh size to pass through the first filter screen 5, and then enter the dust removal box 32 through the connecting pipe 31, and pass through the first filter screen 5. The second filter screen 6 intercepts the dust inside the dust removal box 32 to reduce the dust of the discharged material particles;

The material particles obtained after final crushing are discharged from the discharge port 13 .

After the dust removal box 32 has been used for a period of time, the front end of the second filter screen 6 will adhere to the intercepted dust, which will affect the subsequent dust removal efficiency. When the dust in the dust removal box 32 needs to be cleaned, the cover plate 322 is opened, and the handle 72 is pushed upward The guide rod 71 is used to drive the dust scraper 7 to move upwards. During the upward movement of the dust scraper 7, the dust attached to the front end of the second filter screen 6 will be scraped off, and the scraped dust will fall on the bottom of the dust scraper 7. On the upper surface, the dust scraper 7 is raised to the cleaning port 321, the dust on the dust scraper 7 is cleaned up, the dust scraper 7 is lowered to reset by pushing the handle 72, and then the cover plate 322 is closed, and the dust cleaning is completed.

The above descriptions are examples of the best implementation modes of the present utility model, and the parts not mentioned in detail are the common knowledge of those skilled in the art. The protection scope of the present utility model is based on the content of the claims, and any equivalent transformation based on the technical inspiration of the present utility model is also within the protection scope of the present utility model.

Claims (6)

1. A material crushing device for concrete production, characterized in that it comprises a bucket body (1), a crushing assembly and a dust removal assembly, the inside of the bucket body (1) is provided with a crushing cavity (11), and the bucket The top of the body (1) is provided with a feed port (12), and the bottom is provided with a discharge port (13); The crushing assembly includes two groups, and the two groups of crushing assemblies are symmetrically arranged on both sides inside the bucket body (1). The crushing assembly includes a crushing roller (2) and a driving mechanism, and the crushing roller (2) is horizontally arranged in the crushing chamber body (11), the two ends of the rotating shaft (21) of the crushing roller (2) are rotated and arranged on the bucket body (1), the driving mechanism is arranged on the outside of the bucket body (1), and the rotating shaft (21) One end of the drive mechanism is connected with the output end of the drive mechanism, and the drive mechanism is used to drive the rotating shaft (21) to rotate to drive the crushing roller (2) to rotate; The side of the discharge port (13) is provided with a dust outlet, and the dust removal assembly includes a connecting pipe (31), a dust removal box (32) and an air pump (33), and the two sides of the dust removal box (32) are respectively arranged There is an input end and an output end, one end of the connecting pipe (31) is connected to the dust outlet, and the other end is connected to the input end of the dust removal box (32), and the air pump (33) is arranged at the output of the dust removal box (32) At the end, the air pump (33) is used to extract the air in the dust removal box (32). 2. The material crushing device for concrete production according to claim 1, characterized in that, the drive mechanism comprises a speed reducer (41) and a motor (42), and the output end of the motor (42) is connected to the speed reducer ( 41) is connected to the input end, and the output end of the reducer (41) is connected to one end of the rotating shaft (21) of the pulverizing roller (2). 3. The material crushing device for concrete production according to claim 1, characterized in that a first filter screen (5) is arranged at the dust outlet. 4. The material crushing device for concrete production according to claim 1, characterized in that, the inner diameter of the connecting pipe (31) gradually decreases from the dust outlet to the input end of the dust removal box (32). 5. The material crushing device for concrete production according to claim 1, characterized in that, a second filter screen (6) is vertically arranged in the dust removal box (32), and the input of the dust removal box (32) The end and the output end are respectively arranged on the two sides of the second filter screen (6), and the top of the dust removal box (32) is located at the side of the second filter screen (6) near the dust outlet side, and a cleaning port (321) is provided. , the top of the cleaning port (321) is provided with a cover plate (322), the cover plate (322) is used to open or close the cleaning port (321), the bottom of the dust removal box (32) is located at the second filter screen (6) A dust-scraping board (7) is arranged next to one side of the dust discharge port, and a guide rod (71) is vertically arranged at the bottom of the dust-scraping board (7), and the bottom end of the guide rod (71) Through the bottom of the dust box (32). 6. The material crushing device for concrete production according to claim 5, characterized in that a handle (72) is provided at the bottom of the guide rod (71).

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