Shockproof stable material layer structure of mill

Abstract

The utility model discloses a structure of a shockproof stable material layer of a mill, which is applied to the technical field of milling equipment and comprises an outer shell, a first motor is bolted on one side of the outer part of the outer shell, the output end of the first motor is bolted with a first bevel gear rotationally connected with the outer shell, and a fixed column is welded at the top of the inner cavity of the outer shell. The grinding roller is driven to rotate between the outer annular millstone and the inner annular millstone to grind and crush ore materials, and meanwhile, the grinding roller can rotate to roll the ore materials. Therefore, the ore material grinding effect of the grinding machine is improved, the particle uniformity is improved, and unqualified materials are reduced. When unqualified powder materials are discharged out of the outer shell through the draught fan, the brush plate is synchronously driven to rotate on the surface of the screen in a reciprocating mode. Therefore, unqualified materials accumulated on the surface of the screen are scraped off, the screen is prevented from being blocked, the qualified materials can be normally discharged, and the working efficiency of the flour mill is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of grinding equipment, and specifically relates to a structure for shockproof and stable material layer in a mill. Background Technology

[0002] In the cement processing, a series of mineral raw materials, such as limestone, which are crushed into granules, need to be ground into powder before they can be sent to the kiln to be calcined into clinker.

[0003] Currently, Chinese utility model patent CN218609638U discloses a shock-absorbing device for a grinding mill. Existing grinding mills typically grind ore raw materials into powder through friction and crushing between grinding rollers and a grinding disc during operation. This grinding method has poor processing efficiency, easily resulting in uneven particle size of the material entering the mill, with a large amount of substandard material mixed in. This necessitates continuous screening and regrinding, affecting the mill's processing efficiency. Furthermore, after these substandard materials are screened out, some are easily clogged by the negative pressure suction generated by the fan, preventing normal airflow and hindering the timely removal of qualified powder from the mill, severely impacting its normal operation. Utility Model Content

[0004] The purpose of this utility model is to provide a structure for shockproof and stable material layer in a mill. Its advantages are to improve the grinding effect of the mill on material particles and prevent screen blockage, thus ensuring the normal discharge of qualified materials.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a structure for shockproof and stable material layer of a mill, comprising an outer shell, a first motor bolted to one side of the outer shell, a first bevel gear rotatably connected to the output end of the first motor, a fixed column welded to the top of the inner cavity of the outer shell, a rotating disk rotatably connected to the top of the fixed column, a second bevel gear meshing with the first bevel gear bolted to the bottom of the rotating disk, grinding rollers rotatably connected to both sides of the bottom of the rotating disk, an outer annular grinding disk and an inner annular grinding disk cooperating with the grinding rollers respectively bolted to the inner surface of the outer shell and the outer surface of the fixed column, a first spur gear bolted to the top of the grinding roller, and a first annular gear meshing with the first spur gear fixedly sleeved on the surface of the fixed column.

[0006] The above technical solution utilizes a grinding roller that rotates between an outer and inner annular grinding disc to crush and pulverize the ore material. Simultaneously, the grinding roller rotates on its own axis to further compact the ore. This improves the grinding effect of the mill, increases particle uniformity, and reduces defective materials. As the blower discharges defective powder from the outer casing, it simultaneously drives a brush plate to rotate reciprocally on the screen surface. This scrapes away accumulated defective materials, preventing screen blockage and allowing qualified materials to be discharged normally, thus improving the mill's operating efficiency.

[0007] The present invention is further configured such that: a discharge port is provided through the top of the outer shell; a second motor is bolted to the bottom of the discharge port; a rotating shaft rotatably connected to the discharge port is bolted to the output end of the second motor; a screen is bolted to the surface of the discharge port; a second sprocket is fixedly sleeved on the surface of the rotating shaft; a third sprocket meshing with the second sprocket is rotatably connected to one side inside the discharge port; a sliding ring is slidably sleeved on the surface of the discharge port; a second ring gear meshing with the third sprocket is bolted to the inner surface of the sliding ring; a brush plate cooperating with the screen is bolted to the outer surface of the sliding ring; and a discharge fan blade cooperating with the discharge port is bolted to the top of the rotating shaft.

[0008] By adopting the above technical solution, the unqualified materials accumulated on the screen surface can be scraped off, avoiding clogging of the screen and improving the working efficiency of the grinding mill.

[0009] The present invention is further configured such that: a base is slidably sleeved at the bottom of the outer shell, and a spring shock absorber is bolted inside the base and bolted to the bottom of the outer shell.

[0010] By adopting the above technical solution, an anti-vibration device is installed at the bottom of the grinding mill, thereby reducing the vibration of the mill during operation and improving its stability.

[0011] The present invention is further configured such that: an airflow channel is fixedly sleeved on the surface of the outer shell, a blower is bolted to one side of the airflow channel, and a vent is opened inside the outer annular grinding disc that communicates with the inside of the airflow channel.

[0012] By adopting the above technical solution, by turning on the blower, the airflow channel can use the vent holes to blow auxiliary airflow into the interior of the outer casing, thereby facilitating the discharge of the ground material into the discharge port.

[0013] The present invention is further configured such that: a feeding port is opened on one side of the surface of the outer shell, and a baffle plate bolted to the outer shell is provided inside the feeding port.

[0014] Using the above technical solution, materials can be added to the inside of the outer shell through the feeding port, and the baffle can reduce the airflow from the inside of the feeding port to the outside.

[0015] The present invention is further configured such that a flow rate sensor is bolted to the side of the outer shell surface away from the feed port.

[0016] By adopting the above technical solution, the working status of the grinding mill can be monitored in real time to provide accurate material layer information.

[0017] The present invention is further configured such that wear-resistant liners are bolted to the outer surfaces of the grinding roller and the inner annular grinding disc, as well as the inner surface of the outer annular grinding disc.

[0018] By adopting the above technical solution, the wear-resistant liner can be replaced, thereby improving the service life of the grinding roller, outer annular grinding disc, and inner annular grinding disc.

[0019] The present invention is further configured such that a conical groove is provided on the top of the rotating disk.

[0020] By adopting the above technical solution, it is convenient to guide the unqualified material back to the grinding roller and the outer and inner annular grinding discs after it is scraped off from the surface of the discharge port.

[0021] In summary, this utility model has the following beneficial effects:

[0022] 1. The grinding mill crushes ore materials by rotating the grinding rollers between the outer and inner annular grinding discs. Simultaneously, the grinding rollers rotate on their own axis to roll and press the ore materials. This improves the grinding effect of the grinding mill on ore materials, increases particle uniformity, and reduces defective materials.

[0023] 2. When the blower discharges substandard powder material from the outer casing, it simultaneously drives the brush plate to rotate back and forth on the screen surface. This scrapes away the substandard material accumulated on the screen surface, preventing clogging and allowing qualified material to be discharged normally, thus improving the working efficiency of the grinding mill. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0026] Figure 3 This is a utility model Figure 2 Enlarged view of point A in the image;

[0027] Figure 4 This is a utility model Figure 2 Enlarged view of point B in the image.

[0028] Reference numerals: 1. Outer shell; 2. First motor; 3. First bevel gear; 4. Fixed column; 5. Rotating disk; 6. Second bevel gear; 7. Grinding roller; 8. Outer annular grinding disk; 9. Inner annular grinding disk; 10. First spur gear; 11. First ring gear; 12. Discharge port; 13. Second motor; 14. Rotating shaft; 15. Screen; 16. Second spur gear; 17. Third spur gear; 18. Second ring gear; 19. Sliding ring; 20. Brush plate; 21. Base; 22. Spring shock absorber; 23. Blower; 24. Airflow channel; 25. Vent hole; 26. Feed port; 27. Baffle plate; 28. Flow rate sensor; 29. ​​Discharge fan blade; 30. Wear-resistant liner. Detailed Implementation

[0029] The present invention will be further described in detail below with reference to the accompanying drawings.

[0030] Example 1:

[0031] refer to Figure 1 , Figure 2 , Figure 3 A structure for shockproof and stable material layer in a mill includes an outer shell 1. A first motor 2 is bolted to one side of the outer shell 1. A first bevel gear 3, rotatably connected to the outer shell 1, is bolted to the output end of the first motor 2. A fixed column 4 is welded to the top of the inner cavity of the outer shell 1. A rotating disk 5 is rotatably connected to the top of the fixed column 4. A second bevel gear 6, meshing with the first bevel gear 3, is bolted to the bottom of the rotating disk 5. Grinding rollers 7 are rotatably connected to both sides of the bottom of the rotating disk 5. An outer annular grinding disc 8 and an inner annular grinding disc 9, cooperating with the grinding rollers 7, are bolted to the inner surface of the outer shell 1 and the outer surface of the fixed column 4, respectively. A first spur gear 10 is bolted to the top of the grinding rollers 7. A first annular gear 11, meshing with the first spur gear 10, is fixedly sleeved on the surface of the fixed column 4. By driving the grinding rollers 7 to rotate between the outer annular grinding disc 8 and the inner annular grinding disc 9, the ore material is crushed and pulverized. Simultaneously, the grinding rollers 7 can rotate on their own to roll the ore material. This improves the grinding effect of the grinding mill on ore materials, increases particle uniformity, and reduces unqualified materials.

[0032] refer to Figure 1 , Figure 2 A base 21 is slidably sleeved at the bottom of the outer casing 1, and a spring shock absorber 22, which is also bolted to the bottom of the outer casing 1, is bolted inside the base 21. Installing a shock-absorbing device at the bottom of the grinding mill reduces vibration during operation and improves stability.

[0033] refer to Figure 1 , Figure 2 , Figure 3An airflow channel 24 is fixedly fitted onto the surface of the outer casing 1. A blower 23 is bolted to one side of the airflow channel 24. A vent 25 communicating with the interior of the outer annular grinding disc 8 is provided inside the airflow channel 24. By turning on the blower 23, auxiliary airflow can be blown into the interior of the outer casing 1 through the airflow channel 24 via the vent 25, thereby facilitating the discharge of the ground material to the discharge port 12.

[0034] refer to Figure 1 , Figure 2 A feeding port 26 is provided on one side of the outer shell 1, and a baffle plate 27, which is bolted to the outer shell 1, is provided inside the feeding port 26. Materials can be added to the interior of the outer shell 1 through the feeding port 26, and the baffle plate 27 can reduce the airflow from the interior of the feeding port 26 to the exterior.

[0035] Brief description of the operation: By turning on the first motor 2, the first bevel gear 3 rotates and meshes with the second bevel gear 6, thereby driving the rotating disk 5 to rotate on top of the fixed column 4. The rotating disk 5 drives the grinding roller 7 to revolve around the center of the fixed column 4 between the outer annular grinding disk 8 and the inner annular grinding disk 9, thus crushing and extruding the ore material. Then, during the revolution of the grinding roller 7 around the fixed column 4, the first spur gear 10 meshes with the stationary first annular gear 11, allowing the grinding roller 7 to rotate on its own axis. This allows the grinding roller 7 to simultaneously roll and press the ore material between the outer annular grinding disk 8 and the inner annular grinding disk 9. Furthermore, since the rotation direction of the grinding roller 7 is opposite to its revolution direction, the grinding roller 7 can force the ore material between the grinding roller 7 and the outer and inner annular grinding disks 8 and 9, preventing material slippage and improving the grinding effect.

[0036] Example 2:

[0037] refer to Figure 1 , Figure 2 , Figure 4A structure for stabilizing and preventing vibration in a mill material layer is disclosed. A discharge port 12 extends through the top of the outer casing 1. A second motor 13 is bolted to the bottom of the discharge port 12. A rotating shaft 14, rotatably connected to the discharge port 12, is bolted to the output end of the second motor 13. A screen 15 is bolted to the surface of the discharge port 12. A second spur gear 16 is fixedly sleeved on the surface of the rotating shaft 14. A third spur gear 17, meshing with the second spur gear 16, is rotatably connected to one side inside the discharge port 12. A sliding ring 19 is slidably sleeved on the surface of the discharge port 12. A second ring gear 18, meshing with the third spur gear 17, is bolted to the inner surface of the sliding ring 19. A brush plate 20, cooperating with the screen 15, is bolted to the outer surface of the sliding ring 19. A discharge fan blade 29, cooperating with the discharge port 12, is bolted to the top of the rotating shaft 14. When the blower discharges substandard powder material into the outer casing 1, it simultaneously drives the brush plate 20 to reciprocate on the surface of the screen 15. This scrapes away the unqualified material accumulated on the surface of the screen 15, preventing the screen 15 from becoming clogged, allowing qualified material to be discharged normally, and improving the working efficiency of the grinding mill.

[0038] refer to Figure 2 A flow rate sensor 28 is attached to the side of the outer casing 1 away from the feed port 26. This sensor monitors the mill's operating status in real time to provide accurate material layer information.

[0039] refer to Figure 2 , Figure 3 Wear-resistant liners 30 are bolted to the outer surfaces of the grinding roller 7 and the inner annular grinding disc 9, as well as the inner surface of the outer annular grinding disc 8. The wear-resistant liners 30 can be replaced, thereby improving the service life of the grinding roller 7, the outer annular grinding disc 8, and the inner annular grinding disc 9.

[0040] refer to Figure 2 The top of the rotating disk 5 is provided with a conical groove. This facilitates the return of defective material to the grinding roller 7 and the outer and inner annular grinding disks 8 and 9 after it has been scraped off from the surface of the discharge port 12.

[0041] Brief description of the operation: By turning on the second motor 13, the rotating shaft 14 drives the discharge fan blades 29 to rotate inside the discharge port 12, creating a negative pressure at the top of the inner cavity of the outer casing 1, thereby sucking out the qualified material after grinding from inside the outer casing 1. At the same time, as the second motor 13 drives the rotating shaft 14 to rotate, it synchronously drives the second sprocket 16 to rotate and mesh with the third sprocket 17. The third sprocket 17 then meshes with the second ring gear 18, thereby driving the sliding ring 19 to rotate on the surface of the discharge port 12. This allows the brush plate 20 installed on the top of the sliding ring 19 to continuously wipe the surface of the screen 15, scraping off the material accumulated on it and preventing blockage of the discharge port 12.

[0042] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A structure for shock-absorbing and stabilizing the material layer of a mill, comprising an outer housing (1), characterized in that: The outer shell (1) is externally bolted with a first motor (2), the output end of the first motor (2) is bolted with a first bevel gear (3) which is rotationally connected with the outer shell (1), the top of the inner cavity of the outer shell (1) is welded with a fixed column (4), the top of the fixed column (4) is rotationally connected with a rotating disc (5), the bottom of the rotating disc (5) is bolted with a second bevel gear (6) which is engaged with the first bevel gear (3), the two sides of the bottom of the rotating disc (5) are rotationally connected with grinding rollers (7), the inner surface of the outer shell (1) and the outer surface of the fixed column (4) are respectively bolted with outer ring-shaped grinding discs (8) and inner ring-shaped grinding discs (9) which are used in cooperation with the grinding rollers (7), the top of the grinding roller (7) is bolted with a first circular gear (10), the surface of the fixed column (4) is fixedly sleeved with a first ring gear (11) which is engaged with the first circular gear (10).

2. A structure of shock-absorbing stabilizing material layer for a mill according to claim 1, characterized in that: The top of the outer shell (1) is communicated with a discharge port (12), the bottom of the discharge port (12) is bolted with a second motor (13), the output end of the second motor (13) is bolted with a rotating shaft (14) which is rotationally connected with the discharge port (12), the surface of the discharge port (12) is bolted with a screen (15), the surface of the rotating shaft (14) is fixedly sleeved with a second circular gear (16), one side of the inside of the discharge port (12) is rotationally connected with a third circular gear (17) which is engaged with the second circular gear (16), the surface of the discharge port (12) is slidingly sleeved with a sliding ring (19), the inner surface of the sliding ring (19) is bolted with a second ring gear (18) which is engaged with the third circular gear (17), the outer surface of the sliding ring (19) is bolted with a brush plate (20) which is used in cooperation with the screen (15), the top of the rotating shaft (14) is bolted with a discharge fan blade (29) which is used in cooperation with the discharge port (12).

3. The structure of the shock-absorbing stable layer of material in a mill according to claim 1, characterized in that: The bottom of the outer shell (1) is slidingly sleeved with a base (21), the inside of the base (21) is bolted with a spring shock absorber (22) which is bolted with the bottom of the outer shell (1).

4. The structure of the shock-absorbing stabilizing layer of a mill according to claim 1, characterized in that: The surface of the outer shell (1) is fixedly sleeved with an airflow channel (24), one side of the airflow channel (24) is bolted with a blower (23), the inside of the outer ring-shaped grinding disc (8) is provided with a ventilation hole (25) which is communicated with the inside of the airflow channel (24).

5. The structure of the shock-absorbing stabilizing layer of a mill according to claim 1, characterized in that: One side of the surface of the outer shell (1) is provided with a feeding port (26), the inside of the feeding port (26) is provided with a wind shield (27) which is bolted with the outer shell (1).

6. A structure of a shock-absorbing stabilizing material layer for a mill according to claim 5, characterized in that: One side of the surface of the outer shell (1) which is away from the feeding port (26) is bolted with a flow rate sensor (28).

7. The structure of the shock-absorbing stabilizing layer of a mill according to claim 1, characterized in that: The outer surfaces of the grinding rollers (7) and the inner ring-shaped grinding disc (9) and the inner surface of the outer ring-shaped grinding disc (8) are all bolted with wear-resistant lining plates (30).

8. The structure of the shock-absorbing stabilizing layer of a mill according to claim 1, characterized in that: The top of the rotating disc (5) is provided with a conical groove.

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