Screening integrated coal crusher

Abstract

A screening integrated coal crusher belongs to the technical field of coal crusher equipment and comprises a supporting frame and a crushing box arranged on the supporting frame, a feeding port is formed in the top of the crushing box, a crushing assembly is arranged in the crushing box, and the crushing assembly comprises guide blocks symmetrically arranged in the crushing box and crushing rollers symmetrically arranged between the guide blocks. The crushing box is provided with an inverted-V-shaped splitter plate between the guide blocks and the feeding port, the two ends of the inverted-V-shaped splitter plate face the higher ends of the two guide blocks respectively, a discharging port is formed in the bottom of the crushing box, a screening plate is obliquely arranged between the discharging port and the crushing roller, and a conveying mechanism corresponding to the discharging port is arranged between the supporting frames; a material guiding device is arranged on one side of the smashing box, and a material guiding opening is formed in the position, above the guiding block and at the lower end of the screening plate, of the smashing box. Through the transmission mechanism, the material guide device, the screening plate, the guide block, the crushing roller and the inverted V-shaped splitter plate, the crushing and screening functions are integrated.

Description

Technical Field

[0001] The utility model relates to the technical field of coal crusher equipment, in particular to a screening-integrated coal crusher. Background Art

[0002] In the boiler process, coal blocks need to be crushed and screened to facilitate the preparation and combustion of coal powder. Traditional crushing and screening equipment is usually used independently, which is complicated to operate and inefficient.

[0003] In addition, traditional crushing equipment usually adopts a single crushing method, which has poor crushing effect, and screening equipment is difficult to achieve uniform screening of coal blocks. Therefore, an integrated device with compact structure, convenient operation, good crushing and screening effect is needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a screening-integrated coal crusher to solve the problems in the above technical background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screening integrated coal crusher, comprising a support frame and a crushing box arranged on the support frame, a feed port is arranged on the top of the crushing box, a crushing assembly is arranged inside the crushing box, the crushing assembly comprises guide blocks symmetrically arranged in the crushing box and crushing rollers symmetrically arranged between the guide blocks, the top of the guide block is inclined, and the lower end of the guide block faces the crushing roller, the crushing box is provided with an inverted V-shaped diverter plate between the guide block and the feed port, and the two ends of the inverted V-shaped diverter plate face the higher ends of the two guide blocks respectively;

[0006] A discharge port is provided at the bottom of the crushing box, a screening plate is obliquely provided between the discharge port and the crushing roller, and a transmission mechanism corresponding to the discharge port is provided between the support frames;

[0007] A material guide device is provided on one side of the crushing box, and a material guide port is provided above the guide block and at a lower end of the sieve plate of the crushing box;

[0008] The transmission mechanism includes a transmission base and a transmission belt arranged on the transmission base. Both sides of the transmission base are arc-shaped. The transmission base is provided with a transmission port corresponding to the discharge port and a transmission cavity connected to the discharge port and used to install the transmission belt.

[0009] As a further solution of the utility model: a connecting plate is connected to the bottom of the guide block away from the higher end of the screening plate, one end of the connecting plate is connected to an inclined plate, and the lower end of the inclined plate is located above the higher end of the screening plate.

[0010] As a further solution of the utility model: an arc groove is provided on one side of the two guide blocks close to each other, and the crushing roller is installed on the arc groove.

[0011] As a further solution of the utility model: the material guiding device includes a material guiding box arranged on one side of the crushing box and a driving wheel and a driven wheel respectively installed on the upper and lower parts of the material guiding box, the driving wheel and the driven wheel are connected by a transmission crawler, and a plurality of feeders are connected on the surface of the transmission crawler.

[0012] As a further solution of the utility model: material guide plates are symmetrically arranged at the discharge port, and the material guide plates face the transmission port.

[0013] In summary, the utility model has the following beneficial effects:

[0014] The utility model integrates the crushing and screening functions through a transmission mechanism, a material guiding device, a screening plate, a guide block, a crushing roller and an inverted V-shaped diverter plate. The utility model has a compact structure, is easy to operate, and can effectively screen and crush the coal blocks. The top of the guide block is inclined, with the lower end facing the crushing roller, so that the coal blocks can slide on the guide block and then enter the crushing roller, thereby increasing the crushing effect of the coal blocks. The setting of the screening plate and the transmission mechanism can screen the crushed coal blocks and classify and transmit the coal blocks of different particle sizes. The material guide port and the material guiding device can re-transmit the coal blocks that have not passed the screening of the screening plate to the top of the crushing roller for further crushing. The inverted V-shaped diverter plate is used to guide the introduced coal blocks to the higher end of the guide block, thereby effectively reducing the impact force of the coal blocks on the crushing roller, thereby increasing the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a left view of the utility model.

[0017] In the figure: 1. crushing box; 2. conveyor belt; 3. inverted V-shaped diverter plate; 4. connecting plate; 5. vibrator; 6. transmission chamber; 7. feed hopper; 8. guide block; 9. crushing roller; 10. driven wheel; 11. inclined plate; 12. screening plate; 13. guide plate; 14. transmission base; 15. feed port; 16. conveyor crawler; 17. driving wheel; 18. feeder; 19. guide port; 20. support frame; 21. transmission mechanism; 22. transmission port. DETAILED DESCRIPTION

[0018] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0019] The utility model provides the following technical solutions: Figure 1-2 As shown, a screening integrated coal crusher comprises a support frame 20 and a crushing box 1 arranged on the support frame 20, a feed port 15 is arranged on the top of the crushing box 1, in this embodiment, a feed hopper 7 is arranged on the feed port 15, a crushing assembly is arranged inside the crushing box 1, the crushing assembly comprises guide blocks 8 symmetrically arranged in the crushing box 1 and crushing rollers 9 symmetrically arranged between the guide blocks 8, the top of the guide block 8 is inclined, and the lower end of the guide block 8 faces the crushing roller 9, an inverted V-shaped diverter plate 3 is arranged between the guide block 8 and the feed port 15 of the crushing box 1, and the two ends of the inverted V-shaped diverter plate 3 face the higher ends of the two guide blocks 8 respectively, a discharge port is arranged at the bottom of the crushing box 1, a screening plate 12 is obliquely arranged between the discharge port and the crushing roller 9, in this embodiment, a vibrator 5 is arranged at the bottom of the screening plate 12, and a transmission mechanism 21 corresponding to the discharge port is arranged between the support frames 20;

[0020] A material guiding device is provided on one side of the crushing box 1 , and a material guiding port 19 is provided above the guide block 8 and at the lower end of the screening plate 12 of the crushing box 1 . The utility model integrates the crushing and screening functions through the transmission mechanism 21, the guide device, the screening plate 12, the guide block 8, the crushing roller 9 and the inverted V-shaped diverter plate 3. The utility model has a compact structure and is easy to operate. The coal blocks can be effectively screened and crushed. The top of the guide block 8 is inclined, and the lower end faces the crushing roller 9, so that the coal blocks can slide on the guide block 8 and then enter the crushing roller 9, thereby increasing the crushing effect of the coal blocks. The setting of the screening plate 12 and the transmission mechanism 21 can screen the crushed coal blocks and classify and transmit the coal blocks of different particle sizes. The guide port 19 and the guide device can re-transmit the coal blocks that have not passed the screening of the screening plate 12 to the top of the crushing roller 9 for crushing again. The inverted V-shaped diverter plate 3 is used to introduce the introduced coal blocks to the higher end of the guide block 8, which effectively reduces the impact force of the coal blocks on the crushing roller 9, thereby improving the service life of the equipment.

[0021] The transmission mechanism 21 includes a transmission base 14 and a transmission belt 2 arranged on the transmission base 14. Both sides of the transmission base 14 are arc-shaped. The transmission base 14 is provided with a transmission port 22 corresponding to the discharge port and a transmission cavity 6 connected thereto and used to install the transmission belt 2.

[0022] In some embodiments of the utility model: the bottom of the guide block 8 away from the higher end of the screening plate 12 is connected to a connecting plate 4, one end of the connecting plate 4 is connected to an inclined plate 11, and the lower end of the inclined plate 11 is located above the higher end of the screening plate 12.

[0023] In some embodiments of the present utility model: an arc groove is provided on one side of the two guide blocks 8 which are close to each other, and the crushing roller 9 is installed on the arc groove.

[0024] In some embodiments of the utility model: the material guiding device includes a material guiding box arranged on one side of the crushing box 1 and a driving wheel 17 and a driven wheel 10 respectively installed on the upper and lower parts of the material guiding box. The driving wheel 17 and the driven wheel 10 are connected by a transmission crawler 16, and a plurality of feeders 18 are connected to the surface of the transmission crawler 16.

[0025] In some embodiments of the present invention, a material guide plate 13 is symmetrically arranged at the material outlet, and the material guide plate 13 faces the transmission outlet 22 .

[0026] The use method and working principle of the utility model of a screening integrated coal crusher are as follows: first, the coal blocks to be crushed and screened are poured into the crushing box 1 from the feed port 15, and the coal blocks encounter the inverted V-shaped diverter plate 3 at the feed port 15, and the inverted V-shaped diverter plate 3 guides the coal blocks to the higher end of the two guide blocks 8, and the coal blocks slide on the guide blocks 8 and enter the crushing roller 9, and the coal blocks are crushed under the rotation of the crushing roller 9, and the crushed coal blocks are screened by the screening plate 12, and the screened coal blocks are transmitted by the transmission mechanism 21, and the coal blocks that have not been screened by the screening plate 12 will be guided to the guide port 19 by the guide device, and re-transmitted to the top of the crushing roller 9 for crushing again.

[0027] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A screening integrated coal crusher, comprising a support frame and a crushing box arranged on the support frame, wherein a feed port is arranged on the top of the crushing box, and a crushing assembly is arranged inside the crushing box, characterized in that: The pulverizing assembly includes guide blocks symmetrically arranged in the pulverizing box and pulverizing rollers symmetrically arranged between the guide blocks, the top of the guide block is inclined, and the lower end of the guide block faces the pulverizing roller, and the pulverizing box is provided with an inverted V-shaped diverter plate between the guide block and the feed port, and the two ends of the inverted V-shaped diverter plate face the higher ends of the two guide blocks respectively; A discharge port is provided at the bottom of the crushing box, a screening plate is obliquely provided between the discharge port and the crushing roller, and a transmission mechanism corresponding to the discharge port is provided between the support frames; A material guide device is provided on one side of the crushing box, and a material guide port is provided above the guide block and at a lower end of the sieve plate of the crushing box; The transmission mechanism includes a transmission base and a transmission belt arranged on the transmission base. Both sides of the transmission base are arc-shaped. The transmission base is provided with a transmission port corresponding to the discharge port and a transmission cavity connected to the discharge port and used to install the transmission belt.

2. The screening integrated coal crusher according to claim 1, characterized in that: A connecting plate is connected to the bottom of the guide block away from the higher end of the screening plate, one end of the connecting plate is connected to an inclined plate, and the lower end of the inclined plate is located above the higher end of the screening plate.

3. The screening integrated coal crusher according to claim 1, characterized in that: A circular arc groove is provided on one side of the two guide blocks which are close to each other, and the crushing roller is installed on the circular arc groove.

4. The screening-integrated coal crusher according to claim 1, characterized in that: The material guiding device includes a material guiding box arranged on one side of the crushing box and a driving wheel and a driven wheel respectively installed above and below the material guiding box. The driving wheel and the driven wheel are connected by a transmission crawler, and a plurality of feeders are connected to the surface of the transmission crawler.

5. The screening-integrated coal crusher according to claim 1, characterized in that: A material guide plate is symmetrically arranged at the material outlet, and the material guide plate faces the transmission outlet.

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