CN220004265U - Coal crushing and grinding device - Google Patents

Abstract

The utility model discloses a coal crushing and grinding device, which specifically relates to the technical field of coal. It includes a grinding box. A crushing tank is fixedly installed on the top of the grinding box. The crushing tank consists of a crushing cylinder and an outlet fixedly connected to the bottom of the crushing cylinder. It is composed of a material cylinder. A crushing motor is fixedly installed on the top of the crushing cylinder. The output end of the crushing motor is fixedly connected with a crushing shaft. There are multiple sets of rotating crushing mechanisms in the middle of the crushing shaft. The interior of the crushing cylinder is equipped with the same number of rotating crushing mechanisms. Each set of fixed crushing mechanisms consists of two rotating rods and multiple rotating crushing blades fixedly connected to both sides of the rotating rods. Each set of fixed crushing mechanisms consists of two fixed rods and one fixed rod fixedly connected to one side of the fixed rod. Consists of multiple fixed crushing blades. By setting up the crushing tank and the grinding box, it is convenient to process the coal twice, reducing the load on the equipment itself, and at the same time, it can also avoid the problem of powder being stuck and difficult to remove later.

Description

A coal crushing and grinding device

Technical field

The utility model relates to the field of coal technology, in particular to a coal crushing and grinding device.

Background technique

Coal is known as black gold and the food of industry. It has been one of the main energy sources used by the human world since the 18th century. Since the 21st century, although the value of coal has not been as good as before, after all, it has been a long time. Coal is still one of the indispensable sources of energy for our human production and life. The supply of coal is also related to the stability of our country's industry and even the development of all aspects of society. The issue of coal supply security is also the most important aspect of our country's energy security. ring.

Currently, in the field of coal use, for example, coal testing requires workers to first break large pieces of coal into small pieces, and then grind the small pieces of coal into powder. Rolling equipment is also used to crush and grind the coal. It turns into powder, but multiple impacts make it easy to hammer the powder. It is also inconvenient to take out the powder later. Moreover, repeated hammering to the powder puts a heavy load on the equipment, and the amount of powder is average. For this reason, we propose a coal Crushing and grinding device.

Utility model content

In order to overcome the shortcomings of the existing technology, the utility model provides a coal crushing and grinding device. By setting up a crushing tank and a grinding box, the coal can be processed twice, reducing the load on the equipment itself, and at the same time, it can also avoid the accumulation of powder and later Difficult to remove problem.

In order to solve the above technical problems, the utility model provides the following technical solution: a coal crushing and grinding device, including a grinding box, a crushing tank is fixedly installed on the top of the grinding box, and the crushing tank is composed of a crushing cylinder and a crushing tank. The bottom of the cylinder is composed of a discharge cylinder fixedly connected. A crushing motor is fixedly installed on the top of the crushing cylinder. The output end of the crushing motor is fixedly connected with a crushing shaft. There are multiple sets of rotating crushing mechanisms in the middle of the crushing shaft. The interior of the crushing cylinder is provided with the same number of fixed crushing mechanisms as the rotating crushing mechanisms. Each group of rotating crushing mechanisms is composed of two rotating rods and multiple rotating crushing blades fixedly connected to both sides of the rotating rod. Each group of fixed crushing mechanisms is The mechanism consists of two fixed rods and a plurality of fixed crushing blades fixedly connected to one side of the fixed rod. The bottom of the crushing rotating shaft is fixedly connected with a discharging screw. There are two grinding rollers inside the grinding box. Each grinding roller is powered by a driving mechanism, and a receiving box is provided at the bottom of the grinding box.

As a preferred technical solution of the present invention, the driving mechanism includes a driving motor fixedly installed on the outside of the grinding box. The interiors of the two grinding rollers are fixedly connected with grinding shafts, and the end face of one end of the grinding shaft is in contact with the driving motor. The output ends of the two grinding shafts are fixedly connected, and gears are fixedly connected to one end of the two grinding shafts, and the two gears are meshed and connected.

As a preferred technical solution of the present invention, baffle plates are provided above the two grinding rotating shafts, and both baffle plates are fixedly connected to the inner wall surface of the grinding box.

As a preferred technical solution of the present invention, the bottom of the crushing rotating shaft is fixedly provided with multiple sets of lower crushing blades, and the lower crushing blades are arranged at an angle. The bottom of the crushing cylinder is conical, and multiple sets of lower crushing blades are arranged at an angle. The blades are located in the conical part of the crushing cylinder.

As a preferred technical solution of the present invention, a feed hopper is provided on one side of the top of the crushing cylinder, and a cover is provided on the top of the feed hopper.

As a preferred technical solution of the present invention, a collecting hopper is fixedly installed in the middle of the grinding box, and the collecting hopper is located between the two grinding rollers and the collecting box. One side of the bottom of the grinding box is provided with a collecting hopper. door panel.

As a preferred technical solution of the present invention, the rotating crushing blades on each group of the rotating crushing mechanisms are staggeredly distributed with the fixed crushing blades on the corresponding fixed crushing mechanisms.

Compared with the existing technology, the beneficial effects achieved by this utility model are:

1. The crushing motor drives the crushing shaft to rotate, thereby driving the rotating rod and the rotating crushing blade to rotate. Since the fixed rod and the fixed crushing blade do not rotate, and the fixed crushing blades and the rotating crushing blades are staggeredly distributed, coal can be better cut. The coal is broken into smaller pieces, and then the coal falls onto the grinding roller, and is thoroughly ground into powder little by little by the grinding roller, and is finally collected by the receiving box. This design can separate the coal into two processes. Not only does it reduce the load on the equipment, but it is not powdered by tamping and extrusion, which will not cause the powder to be solid and difficult to remove. Moreover, it is first crushed and then ground into powder, so the overall powdering efficiency is high and the powder is made into powder. The quantity is also better;

2. By the crushing motor driving the lower crushing blade to rotate, the coal at the bottom of the crushing cylinder will be crushed again by the lower crushing blade, so that it can be easily discharged by the discharging screw. At the same time, the coal at the bottom of the crushing cylinder can also be stirred, thereby Avoid clogging.

Description of the drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 2 is a schematic diagram of the internal structure of the utility model;

Figure 3 is a schematic structural diagram of the crushing tank of the present utility model;

Figure 4 is a schematic structural diagram of the feeding hopper of the present utility model;

Among them: 1. Grinding box; 2. Crushing tank; 3. Crushing motor; 4. Feed hopper; 5. Grinding roller; 6. Receiving hopper; 7. Receiving box; 8. Crushing shaft; 9. Fixed rod; 10. Rotating rod; 11. Rotating crushing blade; 12. Lower crushing blade; 13. Discharging screw; 14. Crushing cylinder; 15. Discharging cylinder; 16. Grinding shaft; 17. Baffle plate; 18. Fixed Broken blade; 19. Door panel.

Detailed ways

In order to make it easy to understand the technical means, creative features, objectives and effects of the present utility model, the present utility model will be further described below in conjunction with specific embodiments. However, the following embodiments are only preferred embodiments of the present utility model and are not all of them. . Based on the examples in the implementation mode, other embodiments obtained by those skilled in the art without any creative work shall all fall within the protection scope of the present utility model. The experimental methods in the following examples, unless otherwise specified, are all conventional methods. The materials, reagents, etc. used in the following examples, unless otherwise specified, can all be obtained from commercial sources.

Example:

As shown in Figures 1 to 4, a coal crushing and grinding device includes a grinding box 1. A crushing tank 2 is fixed on the top of the grinding box 1. The crushing tank 2 consists of a crushing cylinder 14 and the bottom of the crushing cylinder 14. It consists of a fixedly connected discharge cylinder 15. A crushing motor 3 is fixedly installed on the top of the crushing cylinder 14. The output end of the crushing motor 3 is fixedly connected with a crushing shaft 8. There are multiple sets of rotating crushing mechanisms in the middle of the crushing shaft 8. The crushing cylinder The interior of 14 is provided with the same number of fixed crushing mechanisms as the rotating crushing mechanisms. Each group of rotating crushing mechanisms is composed of two rotating rods 10 and a plurality of rotating crushing blades 11 fixedly connected to both sides of the rotating rod 10. Each group of fixed crushing mechanisms It consists of two fixed rods 9 and a plurality of fixed crushing blades 18 fixedly connected to one side of the fixed rod 9. The bottom of the crushing shaft 8 is fixedly connected with a discharging screw 13. There are two grinding rollers 5 inside the grinding box 1. , the two grinding rollers 5 are powered by the driving mechanism, and a receiving box 7 is provided at the bottom of the grinding box 1; the rotating crushing blades 11 on each set of rotating crushing mechanisms are staggered with the fixed crushing blades 18 on the corresponding fixed crushing mechanism. Distribution; when the coal comes inside the crushing tank 2, the crushing motor 3 drives the crushing shaft 8 to rotate, thereby driving the rotating rod 10 and the rotating crushing blade 11 to rotate. Since the fixed rod 9 and the fixed crushing blade 18 will not rotate, and the fixed crushing blade 18 and the rotating crushing blades 11 are staggeredly distributed, which can better cut and crush the coal into smaller coal blocks. Then the coal blocks come to the discharge cylinder 15 and are evenly discharged through the discharge screw 13 , continue to fall down to the grinding roller 5, and are completely ground little by little into powder by the grinding roller 5, and then fall from the gap between the two grinding rollers 5, and then be collected by the receiving box 7. This design can Dividing the coal into two processes not only reduces the load on the equipment, but is not pulverized by tamping and squeezing, which will not cause the powder to be solid and difficult to remove. Moreover, it is first crushed and then ground into powder, and the overall composition is The powdering efficiency is higher and the powdering amount is also better.

The bottom of the crushing shaft 8 is fixedly provided with multiple sets of lower crushing blades 12, and the lower crushing blades 12 are arranged at an angle. The bottom of the crushing cylinder 14 is conical, and the multiple sets of lower crushing blades 12 are located in the conical shape of the crushing cylinder 14. position; when the initially crushed coal accumulates at the bottom of the crushing cylinder 14, it will be crushed again by the lower crushing blade 12, so that it can be easily discharged by the discharging screw 13, and at the same time, the coal located at the bottom of the crushing cylinder 14 can be stirred. , thereby avoiding clogging.

One side of the top of the crushing cylinder 14 is provided with a feed hopper 4, and the top of the feed hopper 4 is provided with a cover; it is convenient to open the cover, thereby placing coal into the interior of the crushing tank 2 through the feed hopper 4, and then close the cover , which can better prevent a large amount of powder from flying out after the coal is crushed.

A collecting hopper 6 is fixedly arranged in the middle of the grinding box 1, and the collecting hopper 6 is located between the two grinding rollers 5 and the collecting box 7, so that the powdered coal can be quickly collected through the collecting hopper 6, so that it can quickly fall into the Inside the receiving box 7, a door panel 19 is provided on one side of the bottom of the grinding box 1; it is convenient to open the door panel 19 to take out the receiving box 7. One side of the door panel 19 is hinged with one side of the grinding box 1, and the door panel 19 is hinged to one side of the grinding box 1. The other side is connected to the grinding box 1 through a locking structure. The locking structure is a prior art, and as long as the door panel 19 can be closed, it will not be described again here.

The driving mechanism includes a driving motor fixedly installed on the outside of the grinding box 1. The two grinding rollers 5 are fixedly connected to the grinding shaft 16. The end face of one end of the grinding shaft 16 is fixedly connected to the output end of the driving motor. The two grinding rollers 5 are fixedly connected to each other. One end of the rotating shaft 16 is fixedly connected with a gear, and the two gears are meshed and connected; when the driving mechanism works, it mainly drives one of the grinding rotating shafts 16 to rotate through the driving motor, thereby causing the two gears to rotate, and then driving the grinding roller 5 to rotate. The grinding roller 5 is used to grind the coal into powder.

Baffle plates 17 are provided above the two grinding shafts 16, and the two baffle plates 17 are fixedly connected to the inner wall of the grinding box 1; the baffle plates 17 are arranged at an angle, so that the grinding roller 5 can be better positioned. The flying coal is shielded and guided again between the two grinding rollers 5 .

In the present invention, unless otherwise expressly stipulated and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features being in direct contact with each other. Features are not in direct contact but through other features between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

The basic principles, main features and advantages of the present utility model are shown and described above. Those skilled in the industry should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the present utility model, Under the premise of keeping the spirit and scope of the present utility model, there will be various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A coal crushing and grinding device, including a grinding box (1), characterized in that: a crushing tank (2) is fixedly installed on the top of the grinding box (1), and the crushing tank (2) is composed of a crushing cylinder. The crushing cylinder (14) is composed of a discharge cylinder (15) fixedly connected to the bottom of the crushing cylinder (14) and a crushing motor (3) fixedly installed on the top of the crushing cylinder (14). ) is fixedly connected to a crushing shaft (8) at its output end. There are multiple sets of rotating crushing mechanisms in the middle of the crushing shaft (8). The same number of fixed crushing mechanisms as the rotating crushing mechanisms are provided inside the crushing cylinder (14). , each set of rotating crushing mechanisms consists of two rotating rods (10) and a plurality of rotating crushing blades (11) fixedly connected to both sides of the rotating rod (10), and each set of fixed crushing mechanisms consists of two fixed rods (9) and It consists of a plurality of fixed crushing blades (18) fixedly connected to one side of the fixed rod (9). The bottom of the crushing shaft (8) is fixedly connected with a discharging screw (13). The inside of the grinding box (1) Two grinding rollers (5) are provided, and the two grinding rollers (5) are powered by a driving mechanism. A receiving box (7) is provided at the bottom of the grinding box (1). 2. A coal crushing and grinding device according to claim 1, characterized in that: the driving mechanism includes a driving motor fixedly installed on the outside of the grinding box (1), and the two grinding rollers (5) are fixed inside. Grinding shafts (16) are connected, and the end face of one end of one grinding shaft (16) is fixedly connected to the output end of the drive motor. Gears are fixedly connected to one ends of the two grinding shafts (16), and the two gears are meshed and connected. 3. A coal crushing and grinding device according to claim 2, characterized in that: baffle plates (17) are provided above both grinding shafts (16), and the two baffle plates (17) ) are all fixedly connected to the inner wall surface of the grinding box (1). 4. A coal crushing and grinding device according to claim 1, characterized in that: the bottom of the crushing shaft (8) is fixed with multiple sets of lower crushing blades (12), and the lower crushing blades (12) are inclined. It is provided that the bottom of the crushing cylinder (14) is conical, and multiple sets of lower crushing blades (12) are located in the conical portion of the crushing cylinder (14). 5. A coal crushing and grinding device according to claim 1, characterized in that: a feed hopper (4) is provided on one side of the top of the crushing cylinder (14), and the top of the feed hopper (4) A cover is provided. 6. A coal crushing and grinding device according to claim 1, characterized in that: a collecting hopper (6) is fixedly installed in the middle of the grinding box (1), and the collecting hopper (6) is located on the two grinding rollers. (5) and the receiving box (7), a door panel (19) is provided on one side of the bottom of the grinding box (1). 7. A coal crushing and grinding device according to claim 1, characterized in that: the rotating crushing blades (11) on each group of the rotating crushing mechanisms are staggered with the fixed crushing blades (18) on the corresponding fixed crushing mechanism. distributed.