Machine-made sandstone powder content control device

By designing a mechanism sand and gravel powder content control device including screening box and crushing box, using crushing motor and fan technology, the problems of dust waste and air pollution in the crushing process of existing devices are solved, and effective control of stone powder content and air cleaning are achieved.

CN222658846UActive Publication Date: 2025-03-25WUXUE MINBEN MINERAL RESOURCES DEV CO LTD
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Patent Information

Application Number
CN202420860426.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2025-03-25
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

The existing machine-made sand and gravel powder content control device will generate a large amount of dust during the crushing process, resulting in waste and air pollution.

Method used

A device including a screening box and a crushing box is designed. The crushing shaft in the crushing box is driven to rotate through a crushing motor, and the large material is broken again, and the annular scraping piece is driven to move through the pulley and screw to scrape dust on the inner wall. At the same time, start the fan and blow the dust to the filter for filtering to prevent large dust from being blocked and deposit the dust in the sink.

Benefits of technology

It effectively reduces the waste of dust and air pollution during the crushing process, ensures the control of the stone powder content through filtration and precipitation technology, and improves the quality of the machine sand.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222658846U_ABST
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Abstract

The utility model discloses a machine-made sandstone powder content control device which comprises a screening box and a crushing box, the top of the screening box is provided with the crushing box, one side of the crushing box is provided with an outer cover, the other side of the outer cover is provided with a crushing motor, and the output end of the crushing motor extends into the outer cover and is provided with a first belt pulley. A connecting shaft is arranged on the other side in the outer cover, a second belt wheel is arranged on the connecting shaft in the outer cover, the second belt wheel is connected with the first belt wheel through a belt, the connecting shaft in the outer cover extends into the crushing box to be fixedly connected with a lead screw, and a transmission block is arranged on the lead screw; a sliding rod is arranged at the position, parallel to the lead screw, of the other side in the crushing box, a sliding block is arranged at the position, corresponding to the transmission block, of the sliding rod, and annular ash scraping pieces are arranged on the sliding block and the transmission block. Dust on the inner wall of the device is scraped off, waste is reduced, meanwhile, dust in the feeding pipe can be absorbed, and air pollution caused by direct discharging is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of machine-made sand and stone powder content control, in particular to a machine-made sand and stone powder content control device. Background Art

[0002] Artificial sand, also known as artificial sand or mechanism artificial sand, is a kind of sand processed by special sand making equipment and methods. The specific production process includes soil removal, mechanical crushing, screening and other steps. The raw materials used are usually rocks, mine tailings or industrial waste slag. It can be processed into sand of different rules and sizes according to different process requirements. Artificial sand is widely used in construction, casting, roads, water conservancy, chemical industry and other fields due to its good particle shape and uniform particle size distribution. It has high strength, durability and freeze-thaw resistance. It is a high-quality sand material. In the process of mechanism sand processing, a large amount of stone powder will be produced. If the stone powder content is not controlled, the quality of the mechanism sand will be affected.

[0003] In the prior art, in general machine-made sand and gravel powder content control devices, certain large particles of material will remain in the material during feeding, which needs to be crushed. Moreover, a large amount of dust will adhere to the inner wall during crushing, causing certain waste. Moreover, a large amount of dust gas will be directly discharged from the feeding pipe during crushing, causing air pollution. Utility Model Content

[0004] The utility model aims to provide a device for controlling the content of machine-made sand and gravel powder to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for controlling the content of machine-made sand and stone powder, comprising a screening box and a crushing box, the bottom of the screening box is provided with a funnel-shaped opening, and the top of the screening box is provided with a crushing box, one side of the crushing box is provided with an outer cover, and the other side of the outer cover is provided with a crushing motor, and the output end of the crushing motor extends to the outer cover and is provided with a pulley 1, the other side of the outer cover is provided with a connecting shaft, and the connecting shaft in the outer cover is provided with a pulley 2, and the pulley 2 is connected to the pulley 1 through a belt, the connecting shaft in the outer cover extends into the crushing box and is fixedly connected with a screw rod, and the screw rod is provided with a transmission block, a sliding rod is provided at a position parallel to the screw rod on the other side of the crushing box, and a slider is provided at a position corresponding to the transmission block on the sliding rod, and an annular scraper is provided on the slider and the transmission block.

[0006] Preferably, the output end of the crushing motor in the outer cover extends into the crushing box and is fixedly connected to a crushing shaft, and crushing blades are evenly arranged on the crushing shaft.

[0007] Preferably, a feeding pipe is provided in the middle position of the top of the crushing box, and an air outlet block is provided on a side wall inside the feeding pipe, a fan is provided on one side of the top of the crushing box close to the air outlet block, and the output end of the fan extends into the air outlet block.

[0008] Preferably, a dust box is provided on the other side of the top of the crushing box, and a water tank is provided in the dust box, an air outlet pipe is provided at the top of the dust box away from the feeding pipe, and a drain pipe is provided at the bottom of one side of the dust box.

[0009] Preferably, an ash inlet head is provided at the position of the air outlet block on the other side of the feeding pipe, and a filter screen is provided on the side of the ash inlet head close to the air outlet block, and an ash inlet pipe is provided on the other side of the ash inlet head, and the ash inlet pipe extends into the water tank.

[0010] Preferably, a discharge pipe is provided in the middle of the bottom of the crushing box, and a solenoid valve is provided in the discharge pipe at the bottom of the crushing box.

[0011] Preferably, a screen 1 with an inclined surface downward is provided in the screening box, and a screen 2 with an inclined surface having a mesh smaller than that of the screen 1 is provided in the screening box below the screen 1, and discharge ports are provided at the screening boxes corresponding to the lower sides of the screen 2 and the screen 1.

[0012] Preferably, a dust collector is provided on the side of the screening box away from the discharge port, and a vibration motor is provided on the front side of the screening box, and the vibration motor is connected to the first screen and the second screen through a linkage mechanism.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the device for controlling the content of sand and gravel powder in the machine can drive the crushing shaft in the crushing box to rotate through the crushing motor, and the crushing shaft drives the crushing blades to rotate to crush the large particles of materials again, and at the same time, the pulley 1 in the outer cover can drive the pulley 2 to rotate through the belt, and the pulley 2 drives the screw in the crushing box to operate, and the screw drives the annular scraper on the transmission block to move, so that the annular scraper can stably reciprocate through the screw and the transmission block and the slider on the slide rod to scrape off the dust attached to the inner wall, thereby reducing waste, and starting the fan during crushing to blow the dust to the ash inlet head through the air outlet block, so that the ash inlet head is filtered through a filter with fine mesh to prevent large particles of dust from blocking the ash inlet, and the dust is allowed to enter the water tank through the ash inlet pipe for precipitation, and then the gas in the dust accumulation box can be discharged from the air outlet pipe to prevent the dust gas from being discharged from the feeding pipe to pollute the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the crushing box of the utility model;

[0016] Figure 3 This is a schematic diagram of the main cross-sectional structure of the screening box of the utility model;

[0017] Figure 4 This is a schematic diagram of the main cross-sectional structure of the feeding tube of the utility model;

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the dust collection box of the utility model;

[0019] In the figure: 1. screening box; 2. vibration motor; 3. crushing box; 4. fan; 5. feeding pipe; 6. ash inlet; 7. dust box; 8. outer cover; 9. crushing motor; 10. dust collector; 11. pulley 1; 12. crushing shaft; 13. slide bar; 14. pulley 2; 15. screw rod; 16. crushing blade; 17. transmission block; 18. annular scraper; 19. slider; 20. screen 1; 21. screen 2; 22. solenoid valve; 23. filter; 24. air outlet block; 25. ash inlet pipe. DETAILED DESCRIPTION

[0020] 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. 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.

[0021] See also Figure 1-5The utility model provides an embodiment: a device for controlling the content of machine-made sand and stone powder, comprising a screening box 1 and a crushing box 3, the bottom of the screening box 1 is provided with a funnel-shaped opening, and the top of the screening box 1 is provided with a crushing box 3, one side of the crushing box 3 is provided with an outer cover 8, and the other side of the outer cover 8 is provided with a crushing motor 9, the output end of the crushing motor 9 in the outer cover 8 extends to the crushing box 3 and is fixedly connected with a crushing shaft 12, and the crushing shaft 12 is evenly provided with crushing blades 16, and the output end of the crushing motor 9 extends to the outer cover 8 and is provided with a pulley 11, the other side of the outer cover 8 is provided with a connecting shaft, and the connecting shaft in the outer cover 8 is provided with a pulley 2 14, and the pulley 2 14 is connected to the pulley 11 through a belt, the connecting shaft in the outer cover 8 extends to the crushing box 3 and is fixedly connected with a screw 15, and the screw 1 5 is provided with a transmission block 17, a slide bar 13 is provided at a position parallel to the screw rod 15 on the other side of the crushing box 3, and a slider 19 is provided at a position corresponding to the transmission block 17 on the slider 13, and an annular scraper 18 is provided on the slider 19 and the transmission block 17, so that the crushing motor 9 drives the crushing shaft 12 in the crushing box 3 to rotate, and the crushing shaft 12 drives the crushing blades 16 to rotate, and the large particles of materials are crushed again. At the same time, the pulley 11 in the outer cover 8 can drive the pulley 2 14 to rotate through the belt, and the pulley 2 14 drives the screw rod 15 in the crushing box 3 to operate, and the screw rod 15 drives the annular scraper 18 on the transmission block 17 to move, so that the annular scraper 18 can be stably reciprocated through the screw rod 15 and the transmission block 17 and the slider 19 on the slide bar 13 to scrape off the dust attached to the inner wall, thereby reducing waste;

[0022] A feeding pipe 5 is provided in the middle position of the top of the crushing box 3, and an air outlet block 24 is provided on one side wall of the feeding pipe 5. A fan 4 is provided on the side of the top of the crushing box 3 close to the air outlet block 24, and the output end of the fan 4 extends into the air outlet block 24. A dust box 7 is provided on the other side of the top of the crushing box 3, and a water tank is provided in the dust box 7. An air outlet pipe is provided on the top of the dust box 7 away from the feeding pipe 5, and a drainage pipe is provided at the bottom of one side of the dust box 7. An ash inlet head 6 is provided at the position corresponding to the air outlet block 24 on the other side of the feeding pipe 5, and a filter screen 23 is provided on the side of the ash inlet head 6 close to the air outlet block 24, and an ash inlet pipe 25 is provided on the other side of the ash inlet head 6. , and the ash inlet pipe 25 extends into the water tank, so that when the crushing box 3 starts to be crushed, a certain amount of stone powder and dust will be discharged from the feeding pipe 5. When discharged, the fan 4 can be started to blow the dust to the ash inlet head 6 through the air outlet block 24, so that the ash inlet head 6 is filtered through the filter screen 23 with fine mesh to prevent large dust particles from blocking the ash inlet pipe 25, and the dust is allowed to enter the water tank through the ash inlet pipe 25 for precipitation, and then the gas in the dust box 7 can be discharged from the air outlet pipe to prevent the dust gas from being discharged from the feeding pipe 5 to pollute the air. When the device stops running, the dust liquid in the dust box 7 can be discharged from the drain pipe for easy collection;

[0023] A discharge pipe is provided at the middle position of the bottom of the crushing box 3, and a solenoid valve 22 is provided in the discharge pipe at the bottom of the crushing box 3, a screen mesh 20 with an inclined surface downward is provided in the screening box 1, and a screen mesh 21 with an inclined surface whose mesh size is smaller than that of the screen mesh 20 is provided in the screening box 1 below the screen mesh 20, and the screen mesh 21 and the screening box 1 corresponding to the lower side of the screen mesh 20 are both provided with a discharge port, a dust collector 10 is provided on the side of the screening box 1 away from the discharge port, and a vibration motor 2 is provided on the front of the screening box 1, and the vibration motor 2 is connected to the screen mesh through a linkage mechanism. One 20 and screen mesh two 21 are connected, so that the control system controls the solenoid valve 22 to open, so that the material in the crushing box 3 falls onto the screen mesh one 20, and at the same time controls the vibration motor 2 and the dust collector 10 to start, so that the vibration motor 2 drives the screen mesh one 20 and the screen mesh two 21 to vibrate and screen the material through the linkage mechanism, so that large particles are discharged from the screen mesh one 20, small particles are discharged from the screen mesh two 21, and fine materials fall from the screen mesh two 21, and the dust collector 10 can absorb the stone powder separated by vibration, so as to control the content of stone powder in the material.

[0024] When the embodiment of the present application is in use, the material is put into the crushing box 3 from the feeding pipe 5, and then the crushing motor 9 is started to drive the crushing shaft 12 in the crushing box 3 to rotate, and the crushing shaft 12 drives the crushing blades 16 to rotate, so that the large particles of material are crushed again. At the same time, the pulley 11 in the outer cover 8 can drive the pulley 2 14 to rotate through the belt, and the pulley 2 14 drives the screw rod 15 in the crushing box 3 to operate, and the screw rod 15 drives the annular scraper 18 on the transmission block 17 to move, so that the annular scraper 18 can be stably reciprocated through the screw rod 15 and the transmission block 17 and the slider 19 on the slide rod 13 to scrape off the dust attached to the inner wall, thereby reducing waste. During crushing, a certain amount of stone powder and dust will be discharged from the feeding pipe 5. During discharge, the fan 4 can be started to blow the dust to the ash inlet head 6 through the air outlet block 24, so that the ash inlet head 6 passes through the filter screen with fine mesh. 23 is used for filtering to prevent large dust particles from clogging the ash inlet pipe 25, so that the dust can enter the water tank through the ash inlet pipe 25 for precipitation, and then the gas in the dust box 7 can be discharged from the air outlet pipe to prevent the dust gas from being discharged from the feeding pipe 5 to pollute the air. When the device stops running, the dust liquid in the dust box 7 can be discharged from the drain pipe for easy collection. After the crushing is completed, the control system can control the solenoid valve 22 to open, so that the material in the crushing box 3 falls onto the screen 1 20, and at the same time control the start of the vibration motor 2 and the dust collector 10, so that the vibration motor 2 drives the screen 1 20 and the screen 2 21 to vibrate and screen the material through the linkage mechanism, so that large particles are discharged from the screen 1 20, small particles are discharged from the screen 21, and fine materials fall from the screen 21. At the same time, the dust collector 10 absorbs the stone powder separated by vibration, so as to control the content of stone powder in the material.

[0025] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. A device for controlling the content of machine-made sand and stone powder, characterized in that: The invention comprises a screening box (1) and a crushing box (3), wherein the bottom of the screening box (1) is provided with a funnel-shaped opening, and the top of the screening box (1) is provided with a crushing box (3), one side of the crushing box (3) is provided with an outer cover (8), and the other side of the outer cover (8) is provided with a crushing motor (9), and the output end of the crushing motor (9) extends to the outer cover (8) and is provided with a first pulley (11), the other side of the outer cover (8) is provided with a connecting shaft, and the connecting shaft in the outer cover (8) is provided with a second pulley (14), and The second pulley (14) is connected to the first pulley (11) via a belt, the connecting shaft in the outer cover (8) extends to the crushing box (3) and is fixedly connected to a screw rod (15), and a transmission block (17) is provided on the screw rod (15), a slide rod (13) is provided at a position parallel to the screw rod (15) on the other side of the crushing box (3), and a slider (19) is provided on the slide rod (13) at a position corresponding to the transmission block (17), and an annular scraper (18) is provided on the slider (19) and the transmission block (17).

2. The device for controlling the content of machine-made sand and stone powder according to claim 1, characterized in that: The output end of the crushing motor (9) in the outer cover (8) extends into the crushing box (3) and is fixedly connected to a crushing shaft (12), and crushing blades (16) are evenly arranged on the crushing shaft (12).

3. The device for controlling the content of machine-made sand and stone powder according to claim 1, characterized in that: A feeding pipe (5) is provided in the middle of the top of the crushing box (3), and an air outlet block (24) is provided on a side wall inside the feeding pipe (5). A fan (4) is provided on a side of the top of the crushing box (3) close to the air outlet block (24), and an output end of the fan (4) extends into the air outlet block (24).

4. The device for controlling the content of machine-made sand and stone powder according to claim 1, characterized in that: A dust box (7) is provided on the other side of the top of the crushing box (3), and a water tank is provided in the dust box (7). An air outlet pipe is provided at the top of the side of the dust box (7) away from the feeding pipe (5), and a drainage pipe is provided at the bottom of one side of the dust box (7).

5. The device for controlling the content of machine-made sand and stone powder according to claim 3 is characterized in that: An ash inlet head (6) is provided at a position corresponding to the air outlet block (24) on the other side of the feeding pipe (5), and a filter screen (23) is provided on a side of the ash inlet head (6) close to the air outlet block (24). An ash inlet pipe (25) is provided on the other side of the ash inlet head (6), and the ash inlet pipe (25) extends into the water tank.

6. The device for controlling the content of machine-made sand and stone powder according to claim 1, characterized in that: A discharge pipe is provided in the middle of the bottom of the crushing box (3), and a solenoid valve (22) is provided in the discharge pipe at the bottom of the crushing box (3).

7. The device for controlling the content of machine-made sand and stone powder according to claim 1, characterized in that: The screening box (1) is provided with a screen mesh 1 (20) with an inclined surface downward, and the screening box (1) below the screen mesh 1 (20) is provided with a screen mesh 2 (21) with an inclined surface having a mesh size smaller than that of the screen mesh 1 (20), and the screening box (1) corresponding to the screen mesh 2 (21) and the screen mesh 1 (20) on the downward side is provided with a discharge port.

8. The device for controlling the content of machine-made sand and stone powder according to claim 1, characterized in that: A dust collector (10) is provided on the side of the screening box (1) away from the discharge port, and a vibration motor (2) is provided on the front side of the screening box (1), and the vibration motor (2) is connected to the first screen (20) and the second screen (21) via a linkage mechanism.