Screening device for coal processing

Abstract

The utility model discloses a screening device for coal processing, and relates to the technical field of screening devices for coal processing, the screening device comprises a main part body, the inner wall of the main part body is fixedly connected with a baffle, the interior of the main part body is fixedly connected with a crushing roller mechanism, and the crushing roller mechanism comprises a first supporting plate; the top of the first supporting plate is fixedly connected with a first motor, and an output shaft of the first motor is fixedly connected with a crushing roller through a coupler. And one side face of the main piece body is fixedly connected with a discharging opening, and the interior of the main piece body is fixedly connected with a first screening plate. According to the multi-stage screening device, the feeding hopper, the first motor, the crushing roller, the discharging opening, the first screening plate, the second supporting plate, the second motor, the rotating rod, the grinding roller and the second screening plate are arranged and used in cooperation, so that the screening process is more efficient, and multi-stage screening can be conducted; and different processing requirements and different granularity requirements required in application can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices for coal processing, in particular to a screening device for coal processing. Background Art

[0002] Coal is a solid combustible mineral that is gradually formed by ancient plants buried underground and undergoing complex biochemical and physical and chemical changes. Coal is known as black gold and food for industry. It has been one of the main energy sources used by the human world since the 18th century. Since the beginning of the 21st century, although the value of coal is not as high as before, it is still one of the indispensable sources of energy for our production and life at present and for a long time in the future. The supply of coal is also related to the stability of the development of my country's industry and even the entire society. The supply security of coal is also the most important link in my country's energy security.

[0003] The existing technology has the following problems:

[0004] 1. The existing screening device for coal processing cannot quickly screen out coarse coal from fine coal or impurities during the screening process. The screening process is not efficient enough and cannot perform multi-stage screening, which cannot meet the different processing requirements and different particle size requirements required in applications.

[0005] 2. The existing coal processing screening device cannot be quickly repaired when the internal equipment fails and needs maintenance during use, and it is inconvenient to clean the internal screening plate after use. Utility Model Content

[0006] The utility model provides a screening device for coal processing to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A screening device for coal processing comprises a main body, an inner wall of the main body is fixedly connected to a baffle, the interior of the main body is fixedly connected to a crushing roller mechanism, the crushing roller mechanism comprises a first support plate, the top of the first support plate is fixedly connected to a first motor, and the output shaft of the first motor is fixedly connected to the crushing roller via a coupling; a discharge port is fixedly connected to one side of the main body, a first screen plate is fixedly connected to the interior of the main body, a grinding roller mechanism is fixedly connected to the interior of the main body, the grinding roller mechanism comprises a second support plate, the top of the second support plate is fixedly connected to a second motor, the output shaft of the second motor is fixedly connected to a rotating rod via a coupling, the outer wall of the rotating rod is fixedly connected to the grinding roller, the outer wall of the rotating rod is fixedly connected to a fixed wheel, the outer wall of the fixed wheel is rotatably connected to a belt, and the interior of the main body is fixedly connected to a second screen plate.

[0009] A further improvement of the technical solution of the utility model is that: two crushing rollers are provided, and the crushing rollers are located above the first screen plate.

[0010] By adopting the above technical solution, it is convenient for users to efficiently crush the material, thereby making the processing efficiency higher.

[0011] A further improvement of the technical solution of the utility model is that: four grinding rollers are provided in total, and the grinding rollers are symmetrically arranged with the vertical midline of the main body as the symmetry axis.

[0012] By adopting the above technical solution, the device can be easily and efficiently ground by the user, thereby further improving the grinding rate of the device.

[0013] A further improvement of the technical solution of the utility model is that the grinding roller is located above the second sieve plate, and the grinding roller is located below the first sieve plate.

[0014] By adopting the above technical solution, the screening process of the device is made more efficient, and the applicability of the device is further improved.

[0015] A further improvement of the technical solution of the utility model is that a feed hopper is fixedly connected to the top of the main body, and the feed hopper is symmetrically arranged with the vertical center line of the main body as the symmetry axis.

[0016] By adopting the above technical solution, the user can feed materials more quickly and conveniently during processing, further improving the practicality of the device.

[0017] A further improvement of the technical solution of the utility model is that: a hinge is fixedly connected to one side of the main body, an inspection door is fixedly connected to one side of the hinge, and a handle is fixedly connected to one side of the inspection door.

[0018] The above technical solution is adopted, which is conducive to the user to clean, inspect and maintain the internal structure of the device, further improving the applicability of the device.

[0019] A further improvement of the technical solution of the utility model is that: the movable leaves are provided with two in total, and the movable leaves are symmetrically arranged with the vertical midline of the main body as the symmetry axis.

[0020] By adopting the above technical solution, the solution facilitates the user to efficiently open and close the inspection door, further improving its practicality.

[0021] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0022] 1. The utility model provides a screening device for coal processing. Through the coordinated use of a main body, a feed hopper, a baffle, a first support plate, a first motor, a crushing roller, a discharge port, a first screen plate, a second support plate, a second motor, a rotating rod, a grinding roller, a fixed wheel, a belt and a second screen plate, the coal is crushed by the crushing roller and then screened for the first time by the first screen plate, and coal of different particle sizes is screened out. The coal with a smaller particle size passes through the first screen plate and then is ground by the grinding roller, and then is screened for the second time by the second screen plate. The coal with a large particle size slides from one side of the main body through the first screen plate, so that the screening process is more efficient, and it can be screened in multiple stages to meet different processing needs and different particle size requirements required in applications.

[0023] 2. The utility model provides a screening device for coal processing. Through the coordinated use of the movable leaf, the inspection door and the handle, the user can open the inspection door by pulling the handle when using it. If there is a failure in the internal equipment, it needs to be maintained, and the internal screening plate can be cleaned conveniently after use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0026] Figure 3 This is a schematic diagram of the crushing roller mechanism of the utility model;

[0027] Figure 4 This is a schematic diagram of the grinding roller mechanism of the utility model ；

[0028] Figure 5 It is a schematic side view of the overall structure of the utility model.

[0029] In the figure: 1. main body; 2. feed hopper; 3. baffle; 4. crushing roller mechanism; 401. first support plate; 402. first motor; 403. crushing roller; 5. discharge port; 6. first screen plate; 7. grinding roller mechanism; 701. second support plate; 702. second motor; 703. rotating rod; 704. grinding roller; 705. fixed wheel; 706. belt; 8. second screen plate; 9. loose-leaf; 10. inspection door; 11. handle. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in conjunction with the embodiments:

[0031] Example 1

[0032] like Figure 1 - 5 As shown, the utility model provides a screening device for coal processing, comprising a main body 1, a baffle 3 is fixedly connected to the inner wall of the main body 1, a crushing roller mechanism 4 is fixedly connected inside the main body 1, the crushing roller mechanism 4 comprises a first support plate 401, a first motor 402 is fixedly connected to the top of the first support plate 401, and the output shaft of the first motor 402 is fixedly connected to the crushing roller 403 through a coupling; a discharge port 5 is fixedly connected to one side of the main body 1, and the inside of the main body 1 is fixedly connected to the first motor 402. The sieve plate 6 and the main body 1 are fixedly connected to a grinding roller mechanism 7 inside, the grinding roller mechanism 7 comprises a second support plate 701, the top of the second support plate 701 is fixedly connected to a second motor 702, the output shaft of the second motor 702 is fixedly connected to a rotating rod 703 through a coupling, the outer wall of the rotating rod 703 is fixedly connected to a grinding roller 704, the outer wall of the rotating rod 703 is fixedly connected to a fixed wheel 705, the outer wall of the fixed wheel 705 is rotatably connected to a belt 706, and the second sieve plate 8 is fixedly connected to the inside of the main body 1.

[0033] In this embodiment, by using the main body 1, the feed hopper 2, the baffle 3, the first support plate 401, the first motor 402, the crushing roller 403, the discharge port 5, the first screen plate 6, the second support plate 701, the second motor 702, the rotating rod 703, the grinding roller 704, the fixed wheel 705, the belt 706 and the second screen plate 8, the coal is crushed by the crushing roller 403 and then screened by the first screen plate 6, and the coal of different particle sizes is screened out. The coal with a smaller particle size passes through the first screen plate 6 and then passes through the grinding roller 704. After the grinding process, the second screening process is continued with the second screen plate 8. The coal with large particle size slides from one side of the main body 1 through the first screen plate 6, making the screening process more efficient, and it can be screened in multiple stages to meet different processing needs and different particle size requirements required in applications. Through the mutual use of the set loose-leaf 9, the inspection door 10 and the handle 11, the user can pull the handle 11 to open the inspection door 10 when in use. If the internal equipment fails and needs maintenance, it is convenient to clean the internal screening plate after use.

[0034] Example 2

[0035] like Figure 1 - 5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, two crushing rollers 403 are provided, and the crushing rollers 403 are located above the first screen plate 6, four grinding rollers 704 are provided, and the grinding rollers 704 are symmetrically arranged with the vertical midline of the main body 1 as the symmetry axis, the grinding rollers 704 are located above the second screen plate 8, and the grinding rollers 704 are located below the first screen plate 6.

[0036] In this embodiment, the scheme facilitates the user to efficiently crush it, making its processing efficiency higher. The scheme facilitates the user to efficiently grind it, further improving the grinding rate of the device. The scheme makes the screening process of the device more efficient, further improving the applicability of the device.

[0037] Example 3

[0038] like Figure 1 - 5As shown, on the basis of Example 1 and Example 2, the utility model provides a technical solution: preferably, a feed hopper 2 is fixedly connected to the top of the main body 1, and the feed hopper 2 is symmetrically arranged with the vertical center line of the main body 1 as the symmetry axis, a hinge 9 is fixedly connected to one side of the main body 1, an inspection door 10 is fixedly connected to one side of the hinge 9, a handle 11 is fixedly connected to one side of the inspection door 10, two hinges 9 are arranged in total, and the hinges 9 are symmetrically arranged with the vertical center line of the main body 1 as the symmetry axis.

[0039] In this embodiment, the scheme allows the user to feed materials more quickly and conveniently during processing, further improving the practicality of the device. The scheme is conducive to the user to clean and inspect and maintain the internal structure of the device, further improving the applicability of the device. The scheme allows the user to efficiently open and close the inspection door, further improving its practicality.

[0040] The working principle of the screening device for coal processing will be described in detail below.

[0041] like Figure 1-4 As shown, when in use, when the user needs to screen the coal, the coal is fed from the feed hopper 2 into the main body 1, the first motor 402 is turned on, and the crushing roller 403 is driven by the first motor 402 to crush the coal, and then the first screen plate 6 is used to perform the first screening to screen out coal of different particle sizes. The coal with smaller particle sizes passes through the first screen plate 6 and then rotates through the rotating rod 703 to drive the belt 706 to rotate for transmission, so that the grinding roller 704 rotates to grind it, and then the second screen plate 8 is used to continue to perform the second screening on it. The coal with large particle size slides from one side of the main body through the first screen plate 6, making the screening process more efficient, and it can be screened in multiple stages to meet different processing requirements and different particle size requirements required in applications. When the user needs to clean or overhaul its internal structure, the handle 11 can be pulled to open the inspection door 10 to clean or overhaul its internal structure, making the cleaning or overhaul process more convenient.

[0042] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A screening device for coal processing, comprising a main body (1), characterized in that: The inner wall of the main body (1) is fixedly connected to a baffle plate (3); the interior of the main body (1) is fixedly connected to a crushing roller mechanism (4); the crushing roller mechanism (4) comprises a first support plate (401); the top of the first support plate (401) is fixedly connected to a first motor (402); the output shaft of the first motor (402) is fixedly connected to a crushing roller (403) via a coupling; a discharge port (5) is fixedly connected to one side of the main body (1); the interior of the main body (1) is fixedly connected to a first sieve plate (6); the interior of the main body (1) is fixedly connected to a first sieve plate (7); A grinding roller mechanism (7) is connected, the grinding roller mechanism (7) comprising a second support plate (701), the top of the second support plate (701) is fixedly connected to a second motor (702), the output shaft of the second motor (702) is fixedly connected to a rotating rod (703) via a coupling, the outer wall of the rotating rod (703) is fixedly connected to a grinding roller (704), the outer wall of the rotating rod (703) is fixedly connected to a fixed wheel (705), the outer wall of the fixed wheel (705) is rotatably connected to a belt (706), and the interior of the main body (1) is fixedly connected to a second screen plate (8).

2. A screening device for coal processing according to claim 1, characterized in that: There are two crushing rollers (403) in total, and the crushing rollers (403) are located above the first screen plate (6).

3. A screening device for coal processing according to claim 1, characterized in that: There are four grinding rollers (704) in total, and the grinding rollers (704) are symmetrically arranged with the vertical midline of the main body (1) as the symmetry axis.

4. A screening device for coal processing according to claim 1, characterized in that: The grinding roller (704) is located above the second sieve plate (8), and the grinding roller (704) is located below the first sieve plate (6).

5. A screening device for coal processing according to claim 1, characterized in that: A feed hopper (2) is fixedly connected to the top of the main body (1), and the feed hopper (2) is symmetrically arranged with the vertical center line of the main body (1) as the symmetry axis.

6. A screening device for coal processing according to claim 1, characterized in that: A hinge (9) is fixedly connected to one side of the main body (1), an inspection door (10) is fixedly connected to one side of the hinge (9), and a handle (11) is fixedly connected to one side of the inspection door (10).

7. A screening device for coal processing according to claim 6, characterized in that: There are two movable leaves (9) in total, and the movable leaves (9) are symmetrically arranged with the vertical midline of the main body (1) as the symmetry axis.

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