Grinding device for coal gangue

Abstract

The utility model discloses a coal gangue grinding device which comprises a device body and a top cover, a first side cover is arranged on the surface of the device body, a second side cover is arranged on the surface of the device body, the side face of the first side cover is fixedly connected with a first fixing strip, and the side face of the second side cover is fixedly connected with a second fixing strip. A sleeve is fixedly connected to the surface of the second fixing strip, a rotating shaft is embedded in the sleeve, and a connecting block is fixedly welded to the side face of the rotating shaft. According to the grinding device for the coal gangue, the first side cover and the second side cover are installed on the surface of the device body, the rotating shaft is additionally arranged in the sleeve, and the rotating shaft is connected with the first fixing strip through the side face of the connecting block; when the grinding device is used, only the first side cover needs to be rotated open, the rotating shaft rotates in the sleeve, the grinding device can be opened, the internal space of the grinding device is expanded, and cleaning is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal gangue grinding, and particularly relates to a grinding device for coal gangue. Background Art

[0002] Coal gangue is a solid waste discharged during the coal mining process and the coal washing process. It is a black-gray rock with a lower carbon content and harder than coal, which is associated with the coal seam during the coal formation process. The chemical composition of coal gangue is mainly inorganic matter and organic matter.

[0003] The following problems exist when the existing grinding devices on the market are applied:

[0004] 1. When the traditional grinding device is in use, since the powder of coal gangue will adhere to the inside of the grinding device after grinding, and the internal operation space of the grinding device is small and the device is relatively deep, it is difficult to clean.

[0005] 2. When the traditional grinding device grinds coal gangue, since the texture of coal gangue is hard, long-term grinding of it will cause the blades to wear and need to be replaced. Moreover, the blades are relatively sharp and it is extremely easy to hurt hands during replacement, and it is relatively unsafe to replace. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a grinding device for coal gangue to solve the technical problems raised in the background art.

[0007] To achieve the above purpose, the specific technical solution of the utility model is as follows: A grinding device for coal gangue, a first side cover is provided on the surface of the device body, a second side cover is provided on the surface of the device body, a first fixing strip is fixedly connected to the side of the first side cover, a second fixing strip is fixedly connected to the side of the second side cover, a sleeve is fixedly connected to the surface of the second fixing strip, a rotating shaft is embedded in the sleeve, and a connecting block is fixedly welded to the side of the rotating shaft.

[0008] Preferably, a rotating shaft is provided inside the device body, an installation block is fixedly connected to the side of the rotating shaft, a bottom plate is provided at the bottom of the installation block, a blade is fixedly connected to the bottom of the bottom plate, a second threaded rod is fixedly connected to the surface of the bottom plate, an internally threaded seat is sleeved outside the second threaded rod, a turntable is fixedly connected to the surface of the internally threaded seat, and a handle is fixedly connected to the side of the bottom plate.

[0009] Preferably, a first support block is fixedly connected to the side of the device body, a second support block is fixedly connected to the side of the device body, a first threaded rod is fixedly connected to the bottom of the first fixing strip, and the first threaded rod is inserted into the second support block.

[0010] Preferably, sealing strips are inlaid on the sides of the first side cover and the second side cover, and the sealing strips are symmetrically distributed.

[0011] Preferably, a fixing plate is fixedly connected to the surfaces of the first side cover and the second side cover, and butterfly bolts pass through the interior of the fixing plate.

[0012] Preferably, a limiting rod is fixedly connected to the surface of the bottom plate, and the limiting rod is inserted into the interior of the mounting block.

[0013] The utility model of a coal gangue grinding device has the following advantages:

[0014] 1. A coal gangue grinding device is provided with a first side cover and a second side cover installed on the surface of the device body, a first fixing bar installed on the side of the first side cover, a second fixing bar installed on the side of the second side cover, and a sleeve installed on the surface of the second fixing bar, a rotating shaft is additionally provided inside the sleeve, and the rotating shaft is connected to the first fixing bar through the side of the connecting block. When the grinding device is used for a long time and there is a lot of coal gangue residue inside the device that needs to be cleaned, it is only necessary to turn away the first side cover, and the rotating shaft rotates inside the sleeve at this time, so that the grinding device can be opened, so that the internal space of the grinding device is expanded, and it is more convenient to clean;

[0015] 2. The coal gangue grinding device is provided with a mounting block on the side of the rotating shaft, and a base plate is added at the bottom of the mounting block, a blade is installed at the bottom of the base plate, a second threaded rod is installed on the surface of the base plate, a turntable and an internal threaded seat are installed outside the second threaded rod, and a handle is installed on the side of the base plate. When the blade of the grinding device is worn out and needs to be replaced after long-term use, the base plate and the old blade can be removed by unscrewing the internal threaded seat and the turntable, and then the new blade and the base plate can be installed at the bottom of the mounting block by holding the handle, and the second threaded rod is inserted into the mounting block, and the internal threaded seat and the turntable are tightened to the second threaded rod to fix the blade. Holding the handle to install the blade can prevent the blade from hurting the hand during installation, and the installation is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the sealing strip structure of the utility model;

[0019] Figure 3Schematic diagram of the first fixing strip of the present utility model;

[0020] Figure 4 of the present utility model Figure 3 Enlarged view of part B in

[0021] Figure 5 of the present utility model Figure 2 Enlarged view of part A in

[0022] Explanation of marks in the figure: 1. Device body; 2. Top cover; 3. First side cover; 4. Rotating shaft; 5. Second side cover; 6. Butterfly bolt; 7. Fixed plate; 8. Blade; 9. Sealing strip; 10. First fixing strip; 11. Second fixing strip; 12. First threaded rod; 13. First support block; 14. Connecting block; 15. Second support block; 16. Sleeve; 17. Bottom plate; 18. Handle; 19. Mounting block; 20. Internal thread seat; 21. Turntable; 22. Second threaded rod; 23. Limiting rod; 24. Rotating shaft. Detailed implementation mode

[0023] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present utility model. Therefore, the drawings and descriptions are considered to be exemplary in nature and not restrictive.

[0024] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "length", "vertical", "horizontal", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the embodiments of the present utility model.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless otherwise specifically defined.

[0026] In the embodiments of the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific situations.

[0027] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present utility model. To simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0028] In order to better understand the purpose, structure and function of the present utility model, the following further describes in detail a grinding device for coal gangue of the present utility model with reference to the drawings.

[0029] As Figures 1-5 shown, a grinding device for coal gangue of the present utility model includes a device body 1 and a top cover 2. A first side cover 3 is provided on the surface of the device body 1, and a second side cover 5 is provided on the surface of the device body 1. A first fixing strip 10 is fixedly connected to the side surface of the first side cover 3, and a second fixing strip 11 is fixedly connected to the side surface of the second side cover 5. A sleeve 16 is fixedly connected to the surface of the second fixing strip 11. A rotating shaft 24 is embedded in the sleeve 16. A connecting block 14 is fixedly welded to the side surface of the rotating shaft 24. By installing a first side cover 3 and a second side cover 5 on the surface of the device body 1, a first fixing strip 10 is installed on the side surface of the first side cover 3, a second fixing strip 11 is installed on the side surface of the second side cover 5, a sleeve 16 is installed on the surface of the second fixing strip 11, a rotating shaft 24 is additionally provided inside the sleeve 16, and the rotating shaft 24 is connected to the first fixing strip 10 through the side surface of the connecting block 14. When the grinding device is used for a long time and there are a large number of coal gangue residues in the device that need to be cleaned, only the first side cover 3 needs to be turned open. At this time, the rotating shaft 24 rotates inside the sleeve 16, and the grinding device can be opened, so that the internal space of the grinding device is expanded, making it more convenient to clean.

[0030] Inside the device body 1, there is a rotating shaft 4. On the side of the rotating shaft 4, there is a fixedly connected mounting block 19. At the bottom of the mounting block 19, there is a bottom plate 17. At the bottom of the bottom plate 17, there is a fixedly connected blade 8. On the surface of the bottom plate 17, there is a fixedly connected second threaded rod 22. An internally threaded seat 20 is sleeved outside the second threaded rod 22. On the surface of the internally threaded seat 20, there is a fixedly connected turntable 21. On the side of the bottom plate 17, there is a fixedly connected handle 18. By adding a mounting block 19 on the side of the rotating shaft 4, adding a bottom plate 17 at the bottom of the mounting block 19, installing a blade 8 at the bottom of the bottom plate 17, installing a second threaded rod 22 on the surface of the bottom plate 17, installing a turntable 21 and an internally threaded seat 20 outside the second threaded rod 22, and installing a handle 18 on the side of the bottom plate 17, when the blade 8 of the grinding device is worn and needs to be replaced after long-term use, only need to unscrew the internally threaded seat 20 and the turntable 21, then the bottom plate 17 and the old blade 8 can be removed. Then hold the handle 18 and install the new blade 8 and the bottom plate 17 at the bottom of the mounting block 19. Insert the second threaded rod 22 into the mounting block 19, and then tighten the internally threaded seat 20 and the turntable 21 on the second threaded rod 22 to fix the blade 8. Holding the handle 18 to install the blade 8 can prevent the blade 8 from hurting the hand during installation, making the installation safer.

[0031] On the side of the device body 1, there is a fixedly connected first support block 13. On the side of the device body 1, there is a fixedly connected second support block 15. At the bottom of the first fixing strip 10, there is a fixedly connected first threaded rod 12. The first threaded rod 12 is inserted into the second support block 15. By installing a first threaded rod 12 at the bottom of the first fixing strip 10, the first threaded rod 12 can be inserted into the second support block 15, and then tightened with bolts to fix the first side cover 3 and the second side cover 5.

[0032] Sealing strips 9 are inlaid on the sides of the first side cover 3 and the second side cover 5. The sealing strips 9 are symmetrically distributed. By installing sealing strips 9 on the sides of the first side cover 3 and the second side cover 5, it can prevent the powder of coal gangue from flowing out of the gaps between the first side cover 3 and the second side cover 5 when the grinding device grinds coal gangue.

[0033] On the surfaces of the first side cover 3 and the second side cover 5, there is a fixedly connected fixing plate 7. A butterfly bolt 6 passes through the fixing plate 7. By adding a fixing plate 7 on the sides of the first side cover 3 and the second side cover 5 and inserting the butterfly bolt 6 into the fixing plate 7, the first side cover 3 and the second side cover 5 can be fixed.

[0034] On the surface of the bottom plate 17, there is a fixedly connected limit rod 23. The limit rod 23 is inserted into the mounting block 19. By installing a limit rod 23 on the surface of the bottom plate 17, it can play a limiting role for the blade 8 during installation and prevent the blade 8 from being installed obliquely.

[0035] Working principle of the coal gangue grinding device: When applying this grinding device, insert the first threaded rod 12 into the inside of the second support block 15 and then tighten it with bolts to fix the first side cover 3 and the second side cover 5. Then open the top cover 2, put the coal gangue into the grinding device, and start the grinding device to grind it. When the grinding device is used for a long time and there are a lot of coal gangue residues in the device that need to be cleaned, just turn the first side cover 3 open. At this time, the rotating shaft 24 rotates inside the sleeve 16, and the grinding device can be opened, so that the internal space of the grinding device is expanded, making it more convenient to clean. After cleaning, turn the first side cover 3 back to its original position, insert the wing bolt 6 into the fixing plate 7 to fix the first side cover 3 and the second side cover 5. When the blade 8 of the grinding device is worn and needs to be replaced after long-term use, just unscrew the internal thread seat 20 and the turntable 21. At this time, the bottom plate 17 and the old blade 8 can be removed. Then hold the handle 18 and install the new blade 8 and the bottom plate 17 at the bottom of the mounting block 19. Insert the second threaded rod 22 and the limiting rod 23 into the mounting block 19, and then tighten the internal thread seat 20 and the turntable 21 on the second threaded rod 22 to fix the blade 8. Holding the handle 18 to install the blade 8 can prevent the blade 8 from hurting the hand during installation, making the installation safer.

[0036] It can be understood that the present utility model is described by some embodiments. Those skilled in the art know that without departing from the spirit and scope of the present utility model, various changes or equivalent replacements can be made to these features and embodiments. In addition, under the teaching of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present utility model.

Claims

1. A coal gangue grinding device, comprising a device body (1) and a top cover (2), characterized in that: A first side cover (3) is provided on the surface of the device body (1), and a second side cover (5) is provided on the surface of the device body (1); the first side cover (3) is fixedly connected to a first fixing bar (10) on the side, and the second side cover (5) is fixedly connected to a second fixing bar (11) on the side; the second fixing bar (11) is fixedly connected to a sleeve (16) on the surface; a rotating shaft (24) is embedded in the sleeve (16), and a welding connection block (14) is fixedly connected to the side of the rotating shaft (24).

2. The coal gangue grinding device according to claim 1, characterized in that: The device body (1) is provided with a rotating shaft (4) inside, the rotating shaft (4) is fixedly connected to a mounting block (19) on the side, the mounting block (19) is provided with a bottom plate (17) at the bottom, the bottom of the bottom plate (17) is fixedly connected to a blade (8), the surface of the bottom plate (17) is fixedly connected to a second threaded rod (22), the second threaded rod (22) is externally sleeved with an internal threaded seat (20), the surface of the internal threaded seat (20) is fixedly connected to a rotating disk (21), and the side of the bottom plate (17) is fixedly connected to a handle (18).

3. The coal gangue grinding device according to claim 1, characterized in that: The side of the device body (1) is fixedly connected to the first support block (13), the side of the device body (1) is fixedly connected to the second support block (15), the bottom of the first fixing bar (10) is fixedly connected to the first threaded rod (12), and the first threaded rod (12) is inserted into the second support block (15).

4. The coal gangue grinding device according to claim 1, characterized in that: Sealing strips (9) are embedded on the sides of the first side cover (3) and the second side cover (5), and the sealing strips (9) are symmetrically distributed.

5. The coal gangue grinding device according to claim 1, characterized in that: The surfaces of the first side cover (3) and the second side cover (5) are fixedly connected to a fixing plate (7), and butterfly bolts (6) pass through the interior of the fixing plate (7).

6. The coal gangue grinding device according to claim 2, characterized in that: The surface of the bottom plate (17) is fixedly connected to a limiting rod (23), and the limiting rod (23) is inserted into the interior of the mounting block (19).

Images