Multistage centrifugal crushing ball-milling sand mill

Abstract

The utility model discloses a multistage centrifugal crushing ball mill sand making machine, and particularly relates to the technical field of sand making machines, the multistage centrifugal crushing ball mill sand making machine comprises a rack, the rack is provided with a case, the top end of the case is provided with a top cover, the top cover is provided with a feed port, the top cover is provided with a crushing ball milling mechanism matched with the case, the bottom end of the case is provided with a discharge pipe, and the discharge pipe is provided with a discharge port. A discharging assembly is installed in the discharging pipe, a first material guiding plate is arranged at the top end of the interior of the machine box, a first fixing tooth set is arranged at the bottom end of the first material guiding plate, a second material guiding plate is arranged at the bottom end of the first fixing tooth set, a second fixing tooth set is arranged at the bottom end of the second material guiding plate, and a screen is arranged at the bottom end of the second fixing tooth set. The sand making quality is improved through multi-stage crushing and grinding, the scraping plate prevents the screen from being blocked, the discharging assembly prevents materials from being stacked, and the sand making machine has the advantages that the screening efficiency and the sand processing efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of sand making machine technology, and more specifically, to a ball mill sand making machine with multi-stage centrifugal crushing. Background Technology

[0002] my country has abundant mountain and rock resources, providing ample raw materials for the production of artificial sand. With the integration and adjustment of the mining industry, our demand for sand making machines has also increased. In the crushing process of ore materials, the hammers of sand making machines are needed to crush them. Currently, the crushing process of materials generates a large force, and conventional sand making machines usually use rotating hammers and fixed hammers for crushing.

[0003] Utility model patent CN209138835U discloses a multi-stage centrifugal crushing ball mill sand making machine, belonging to the field of mining equipment technology. It solves the problems of existing sand making machines being lightly loaded, lacking fine material grinding function, and producing still large particles after crushing. The machine includes a crushing box, a rotating disc, movable teeth, and grinding balls. The inner wall of the crushing box is lined with a wear-resistant layer, and an upper cover is connected to the upper end of the crushing box. A feeding hopper is welded to the middle of the upper end of the upper cover. The rotating shaft is vertically set inside the crushing box, and a rotating disc is welded to the rotating shaft. A crushing disc is installed at the bottom of the rotating disc. By installing the crushing disc at the bottom of the rotating disc to form a rotating crushing component, it cooperates with the fixed teeth and crushing disc distributed alternately on the inner wall of the crushing box to perform multi-stage crushing of the sand material. Under the screening of the screen, the sand particle size is kept consistent. The large particles of sand material that are retained are further rotated and ground by the grinding balls, improving the efficiency and quality of sand making.

[0004] However, in actual use, after the sand is ground and screened, it tends to accumulate at the bottom of the crushing box during the feeding process. This causes the sand to accumulate and come into contact with the screen, making it difficult to be quickly discharged outside the crushing box after screening. This makes subsequent screening difficult and requires manual cleaning, reducing screening efficiency and sand making efficiency, as well as increasing labor costs. Therefore, a multi-stage centrifugal crushing ball mill sand making machine is proposed. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a multi-stage centrifugal crushing ball mill sand making machine to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a multi-stage centrifugal crushing ball mill sand making machine, including a frame, a housing mounted on the frame, a top cover mounted on the top of the housing, a feed inlet on the top cover, a crushing ball mill mechanism cooperating with the housing mounted on the top cover, a discharge pipe at the bottom of the housing, a discharge assembly installed inside the discharge pipe, a first guide plate at the top of the interior of the housing, a first fixed tooth group at the bottom of the first guide plate, a second guide plate at the bottom of the first fixed tooth group, a second fixed tooth group at the bottom of the second guide plate, and a screen at the bottom of the second fixed tooth group.

[0007] Preferably, the crushing and grinding mechanism includes a first motor, a first rotating rod, a first crushing disc, a first feeding plate, a second crushing disc, a second feeding plate, springs, grinding balls, and scrapers. The first motor is mounted on the top cover, and the output end of the first motor is connected to the first rotating rod. The first crushing disc and the second crushing disc are mounted on the first rotating rod. The top of the first crushing disc and the second crushing disc are respectively provided with a first feeding plate and a second feeding plate. Multiple springs are connected to the bottom end of the first rotating rod, and grinding balls are fixed to the ends of each spring. The scrapers are mounted on the bottom end of the first rotating rod.

[0008] Preferably, the first crushing disc is disposed below the first guide plate, and the first crushing disc is configured in conjunction with the first fixed tooth assembly.

[0009] Preferably, the second crushing disc is disposed below the second guide plate, and the second crushing disc is configured in conjunction with the second fixed tooth assembly.

[0010] Preferably, there are two scrapers, and the two scrapers are slidably connected to the bottom of the screen.

[0011] Preferably, the discharge assembly includes a second motor, a second rotating rod, and a spiral conveyor blade. The second motor is installed at one end of the discharge pipe, and the output end of the second motor is connected to the second rotating rod, on which the spiral conveyor blade is installed.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] 1. By setting up a first guide plate, a first fixed tooth group, a second guide plate, a second fixed tooth group, and a crushing ball mill mechanism, two-stage crushing of materials is achieved. The crushed material is then ground by grinding balls, and small particles are screened out through a screen, which improves the particle size uniformity and quality of sand making. At the same time, the scraper is slidably connected to the bottom of the screen, scraping the bottom of the screen, effectively avoiding screen clogging and improving screening efficiency.

[0014] 2. The discharge assembly installed inside the discharge pipe drives the second rotating rod and the screw conveyor blade to rotate via the second motor, which can quickly discharge the screened material, prevent the material from accumulating in the machine box, ensure the continuity of screening, and thus improve the overall efficiency of sand and gravel processing. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the crushing ball mill mechanism of this utility model.

[0018] Figure 4 This is a schematic diagram of the material discharge assembly of this utility model.

[0019] The attached diagram is labeled as follows: 1. Frame; 2. Chassis; 3. Top cover; 4. Feed inlet; 5. Crushing and grinding mechanism; 501. First motor; 502. First rotating rod; 503. First crushing disc; 504. First feed plate; 505. Second crushing disc; 506. Second feed plate; 507. Spring; 508. Grinding ball; 509. Scraper; 6. Discharge pipe; 7. Discharge assembly; 701. Second motor; 702. Second rotating rod; 703. Spiral conveyor blade; 8. First guide plate; 9. First fixed tooth assembly; 10. Second guide plate; 11. Second fixed tooth assembly; 12. Screen. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] As attached Figures 1-2 The multi-stage centrifugal crushing ball mill sand making machine shown includes a frame 1, a housing 2 mounted on the frame 1, a top cover 3 mounted on the top of the housing 2, a feed inlet 4 on the top cover 3, a crushing ball mill mechanism 5 that cooperates with the housing 2 mounted on the top cover 3, a discharge pipe 6 at the bottom of the housing 2, a discharge assembly 7 installed inside the discharge pipe 6, a first guide plate 8 at the top inside the housing 2, a first fixed tooth group 9 at the bottom of the first guide plate 8, a second guide plate 10 at the bottom of the first fixed tooth group 9, a second fixed tooth group 11 at the bottom of the second guide plate 10, and a screen 12 at the bottom of the second fixed tooth group 11.

[0022] In practice, the material is fed into the feed inlet 4 and guided by the first guide plate 8 to fall onto the top center of the crushing ball mill mechanism 5. Under centrifugal force, it moves towards the inner wall of the casing 2 and collides with the first fixed tooth group 9 for primary crushing. The material after primary crushing falls onto the second guide plate 10 and is then guided by the second guide plate 10 onto the crushing ball mill mechanism 5. After centrifugation again, it collides with the second fixed tooth group 11 for secondary crushing. The crushed material falls onto the screen 12 and is then ground and pulverized by the crushing ball mill mechanism 5. The pulverized small particles are screened out through the screen 12. During the screening process, the scraper 509 scrapes the bottom of the screen 12 to prevent clogging and improve screening efficiency. After screening, the material falls into the discharge pipe 6 and is quickly discharged through the discharge component 7, thus preventing the material from accumulating in the casing 2 and ensuring the continuity of screening, thereby improving the efficiency of sand and gravel processing.

[0023] The crushing and grinding mechanism 5 includes a first motor 501, a first rotating rod 502, a first crushing disc 503, a first feeding plate 504, a second crushing disc 505, a second feeding plate 506, a spring 507, a grinding ball 508, and a scraper 509. The first motor 501 is mounted on the top cover 3. The output end of the first motor 501 is connected to the first rotating rod 502. The first crushing disc 503 and the second crushing disc 505 are mounted on the first rotating rod 502. The first feeding plate 504 and the second feeding plate 506 are respectively provided on the top of the first crushing disc 503 and the second crushing disc 505. A plurality of springs 507 are connected to the bottom end of the first rotating rod 502. A grinding ball 508 is fixed to the end of each spring 507. The scraper 509 is mounted on the bottom end of the first rotating rod 502.

[0024] The first crushing disc 503 is located below the first guide plate 8, and the first crushing disc 503 is configured in conjunction with the first fixed tooth assembly 9.

[0025] The second crushing disc 505 is disposed below the second guide plate 10, and the second crushing disc 505 is configured to cooperate with the second fixed tooth assembly 11.

[0026] Two scrapers 509 are provided, and the two scrapers 509 are slidably connected to the bottom of the screen 12.

[0027] In practice, the first motor 501 drives the first rotating rod 502 to rotate, and the first material-pushing plate 504 swings the material, causing the material to collide with the first fixed tooth group 9 in a centrifugal motion. This, combined with the first crushing disc 503, performs primary crushing. The material after primary crushing falls onto the second material-pushing plate 506 under the guidance of the second guide plate 10. The material then collides with the second fixed tooth group 11 in a centrifugal motion again, and performs secondary crushing in combination with the second crushing disc 505. The material after secondary crushing falls onto the screen 12 and is ground into small particles by the grinding balls 508. It is then screened and falls into the discharge pipe 6. During the screening process, the scraper 509 scrapes the bottom of the screen 12 to prevent clogging and improve screening efficiency.

[0028] The discharge assembly 7 includes a second motor 701, a second rotating rod 702, and a spiral conveying blade 703. The second motor 701 is installed at one end of the discharge pipe 6, and the output end of the second motor 701 is connected to the second rotating rod 702. The spiral conveying blade 703 is installed on the second rotating rod 702.

[0029] In practice, the second motor 701 drives the second rotating rod 702 to rotate, which causes the spiral conveyor blade 703 to rotate in the discharge pipe 6, thereby quickly discharging the screened material and avoiding material accumulation, thus avoiding affecting the material screening of the screen 12, thereby improving screening efficiency and the convenience of material discharge.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. Multistage centrifugal impactor ball mill sand making machine, comprising a frame (1), characterized in that: The rack (1) is provided with a machine box (2), a top cover (3) is installed at the top end of the machine box (2), an inlet (4) is arranged on the top cover (3), a crushing ball milling mechanism (5) is installed on the top cover (3) and matched with the machine box (2), a discharge pipe (6) is arranged at the bottom end of the machine box (2), a discharge assembly (7) is installed in the discharge pipe (6), a first guide plate (8) is arranged at the top end inside the machine box (2), a first fixed tooth group (9) is arranged at the bottom end of the first guide plate (8), a second guide plate (10) is arranged at the bottom end of the first fixed tooth group (9), a second fixed tooth group (11) is arranged at the bottom end of the second guide plate (10), and a screen (12) is arranged at the bottom end of the second fixed tooth group (11).

2. The multi-stage centrifugal impactor ball mill sand mill of claim 1, wherein: The crushing ball milling mechanism (5) comprises a first motor (501), a first rotating rod (502), a first crushing disc (503), a first stirring piece (504), a second crushing disc (505), a second stirring piece (506), a spring (507), a grinding ball (508) and a scraper (509), the first motor (501) is installed on the top cover (3), the output end of the first motor (501) is connected with the first rotating rod (502), the first rotating rod (502) is installed with the first crushing disc (503) and the second crushing disc (505), the top of the first crushing disc (503) and the second crushing disc (505) is respectively provided with the first stirring piece (504) and the second stirring piece (506), the bottom end of the first rotating rod (502) is connected with a plurality of springs (507), the end of each spring (507) is fixed with a grinding ball (508), and the scraper (509) is installed at the bottom end of the first rotating rod (502).

3. The multi-stage centrifugal impactor ball mill sand mill of claim 2, wherein: The first crushing disc (503) is arranged below the first guide plate (8), and the first crushing disc (503) is matched with the first fixed tooth group (9).

4. The multi-stage centrifugal impactor ball mill sand mill of claim 3, wherein: The second crushing disc (505) is arranged below the second guide plate (10), and the second crushing disc (505) is matched with the second fixed tooth group (11).

5. The multi-stage centrifugal impactor ball mill sand mill of claim 4, wherein: The scraper (509) is provided with two, and the two scrapers (509) are slidably connected with the bottom of the screen (12).

6. The multi-stage centrifugal impact crusher of claim 1, wherein: The discharge assembly (7) comprises a second motor (701), a second rotating rod (702) and a spiral conveying blade (703), the second motor (701) is installed at one end of the discharge pipe (6), the output end of the second motor (701) is connected with the second rotating rod (702), and the second rotating rod (702) is installed with the spiral conveying blade (703).

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