Multi-stage crusher for fertilizer production raw materials

Abstract

The utility model relates to the technical field of fertilizer production, in particular to a multi-stage crusher for fertilizer production raw materials, which can crush the raw materials which do not meet the requirements again, so that the crushing quality is improved, and the crushing efficiency is improved. Comprising a smashing box body, a plurality of supporting legs, a feeding hopper, a smashing mechanism, a screening assembly, a lifting assembly and a scraping assembly, the multiple supporting legs are fixedly installed at the bottom of the smashing box body to support equipment, the right end of the top of the smashing box body is connected with the feeding hopper, a discharging pipe is arranged at the bottom of the smashing box body, and the smashing mechanism is installed in the smashing box body; the screening assembly is installed in the smashing box body, so that a multi-stage smashing cavity is formed in the smashing box body, the lifting assembly is installed on the left side wall of the smashing box body and communicates with the multi-stage smashing cavity, and the scraping assembly is installed at the lower end in the smashing box body.

Description

Technical Field

[0001] The utility model relates to the technical field of fertilizer production, in particular to a multi-stage crusher for fertilizer production raw materials. Background Art

[0002] Chemical fertilizers are fertilizers made by chemical or physical methods and containing one or more nutrient elements required for the growth of crops. In order to improve the quality of chemical fertilizers, generally, each raw material to be mixed needs to be crushed before preparing the fertilizer to improve the uniformity of raw material mixing. An organic fertilizer crusher capable of multi-stage crushing for organic fertilizer production proposed in the prior art publication number CN218531258U includes a box body. A feeding trough is arranged at the top of the box body. A primary crushing mechanism for initially crushing the fertilizer is arranged inside the box body. A secondary crushing mechanism for secondary crushing of the fertilizer is arranged inside the box body and at the bottom of the primary crushing mechanism. A shaking plate is movably connected inside the box body. A cylinder is connected to the bottom surface of the shaking plate. An inclined block is fixedly installed at the bottom of the inner wall of the box body. However, it can only perform single crushing, resulting in incomplete crushing. Operators need to re-input the incompletely crushed raw materials into the equipment for secondary crushing, which is time-consuming and laborious, and the crushing efficiency is not high. Content of the Utility Model

[0003] To solve the above technical problems, the utility model provides a multi-stage crusher for fertilizer production raw materials that can re-crush raw materials that do not meet the requirements, improves the crushing quality, and improves the crushing efficiency.

[0004] A multi-stage crusher for fertilizer production raw materials of the utility model includes a crushing box body, a plurality of legs, a feeding hopper, a crushing mechanism, a screening component, a lifting component, and a scraping component. A plurality of legs are fixedly installed at the bottom of the crushing box body to support the equipment. A feeding hopper is connected to the right end of the top of the crushing box body. A discharge pipe is arranged at the bottom of the crushing box body. The crushing mechanism is installed inside the crushing box body. The screening component is installed inside the crushing box body to form a multi-stage crushing cavity inside the crushing box body. The lifting component is installed on the left side wall of the crushing box body and communicates with the multi-stage crushing cavity. The scraping component is installed at the lower end inside the crushing box body. Raw materials are added into the crushing box body through the feeding hopper, the raw materials are crushed by the crushing mechanism, the raw materials that meet the requirements are filtered and screened by the screening component and enter the next-stage crushing cavity. At the same time, the raw materials that do not meet the requirements are re-input into the crushing cavity through the lifting component for secondary crushing, improving the crushing quality. The raw materials that meet the requirements are discharged through the discharge pipe, and the raw materials are pushed by the scraping component to improve the raw material discharge efficiency.

[0005] Preferably, the crushing mechanism includes a dual-output transmission, a driving motor, a main shaft, multiple groups of horizontal crushing knives, multiple groups of vertical crushing knives, and a guiding assembly. The dual-output transmission is fixedly installed in the middle of the top of the crushing box body. The input end of the dual-output transmission is connected to the output end of the driving motor. A main shaft is connected to the lower output end of the dual-output transmission. The main shaft is rotatably installed inside the crushing box body. Multiple groups of horizontal crushing knives are connected to the upper and lower sides of the outer wall of the main shaft. Multiple vertical crushing knives are connected to the top of the horizontal crushing knives. After the raw materials enter the crushing box body through the feeding hopper, the driving motor is started to drive the main shaft to rotate through the dual-output transmission. The main shaft drives multiple groups of horizontal crushing knives to rotate to crush the raw materials. At the same time, the horizontal crushing knives drive the vertical crushing knives to rotate, increasing the crushing direction and improving the crushing quality.

[0006] Preferably, the guiding assembly includes multiple groups of guiding plates. The multiple groups of guiding plates are installed on the upper and lower sides of the inner wall of the crushing box body. The middle of the guiding plate is inclined downward, and a feeding round hole matching the horizontal crushing knife is opened in the middle. The horizontal crushing knife rotates inside the feeding round hole. After the raw materials enter the feeding hopper, the guiding plates guide the raw materials to the middle, making the raw materials contact the horizontal crushing knives. The shredded raw materials fall downward through the feeding round hole, reducing the cutting dead angle and improving the working efficiency.

[0007] Preferably, the screening assembly includes a first screening mesh, a second screening mesh, a collecting pipe, and multiple groups of pushing plates. The first screening mesh and the second screening mesh are arranged vertically and installed on the inner wall of the crushing box body. The aperture of the first screening mesh is larger than that of the second screening mesh. A collecting pipe is connected to the left ends of the first screening mesh and the second screening mesh. Multiple pushing plates are installed on the outer wall of the main shaft. The pushing plates are respectively located above the first screening mesh and the second screening mesh and contact the upper surfaces of the first screening mesh and the second screening mesh. Multiple groups of fixed crushing knives are arranged at the bottom of the first screening mesh. The fixed crushing knives cooperate with the vertical crushing knives. After the raw materials are cut and crushed by the multiple groups of upper horizontal crushing knives and vertical crushing knives, they fall onto the upper part of the first screening mesh. When the main shaft rotates, it drives the pushing plates to rotate to push the raw materials. The qualified raw materials fall downward, and the unqualified raw materials enter the collecting pipe. Similarly, the second screening mesh screens the qualified raw materials, making the qualified raw materials fall to the bottom of the crushing box body. When the lower vertical crushing knives rotate, they cooperate with the fixed crushing knives, improving the crushing effect and further improving the crushing quality.

[0008] Preferably, the lifting component includes a lifting cylinder, a partition board, a rotating shaft, a spiral conveyor, a transmission belt pulley, a transmission belt, and a protective cover. The lifting cylinder is installed on the left side wall of the crushing box body. A partition board is installed in the middle of the lifting cylinder, dividing the interior of the lifting cylinder into two upper and lower lifting chambers. The input end of the lower lifting chamber is connected to the lower collecting pipe, and the output end of the lower lifting chamber is connected to the crushing chamber below the first screening mesh. The input end of the upper lifting chamber is connected to the upper collecting pipe, and the output end of the upper lifting chamber is connected to the upper crushing chamber. The rotating shaft is rotatably installed in the middle of the lifting cylinder, and a spiral conveyor is installed on the outer wall of the rotating shaft. The input end of the rotating shaft is connected to the output end of the transmission. The input end of the transmission is equipped with a transmission belt pulley. The upper output end of the double-output transmission is provided with a driving belt pulley. The transmission belt pulley and the driving belt pulley are connected by a transmission belt. The protective cover is installed outside the transmission belt. The driving motor drives the double-output transmission to rotate. The double-output transmission drives the transmission belt pulley to rotate through the driving belt pulley and the transmission belt. The transmission belt pulley drives the rotating shaft to rotate through the transmission, and the rotating shaft drives the spiral conveyor to rotate, lifting the raw materials that do not meet the requirements in the collecting pipe upward and re-entering the crushing chamber for secondary crushing, improving the crushing quality and practicality.

[0009] Preferably, the scraping component includes a plurality of support rods and a plurality of scraping plates. The plurality of support rods are axially and uniformly installed on the lower outer wall of the main shaft. Scraping plates are installed on the support rods, and the scraping plates are in contact with the bottom end of the crushing box body. When the main shaft rotates, the scraping plates are driven to rotate by the support rods, pushing the bottom of the crushing box body and accelerating the discharge of raw materials, improving practicality.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: The raw materials are added into the interior of the crushing box body through the feeding hopper, and the raw materials are crushed by the crushing mechanism. The raw materials that meet the requirements are filtered and screened by the screening component and enter the next-level crushing chamber. At the same time, the raw materials that do not meet the requirements are re-input into the crushing chamber through the lifting component for secondary crushing, improving the crushing quality. The raw materials that meet the requirements are discharged through the discharge pipe, and the raw materials are pushed by the scraping component, improving the discharge efficiency of the raw materials. Brief Description of the Drawings

[0011] Figure 1 is the structural schematic diagram of the present utility model;

[0012] Figure 2 is the axonometric structural schematic diagram of the present utility model;

[0013] Figure 3 is the internal structural schematic diagram of the present utility model;

[0014] Figure 4 is the partial sectional structural schematic diagram of the present utility model;

[0015] Figure 5 is the front sectional structural schematic diagram of the present utility model;

[0016] Reference numerals in the drawings: 1, crushing box body; 2, support legs; 3, feeding hopper; 4, double-output transmission; 5, drive motor; 6, main shaft; 7, horizontal crushing knife; 8, vertical crushing knife; 9, guide plate; 10, first screening mesh; 11, second screening mesh; 12, collecting pipe; 13, lifting cylinder; 14, partition plate; 15, rotating shaft; 16, spiral conveyor blade; 17, transmission; 18, belt pulley; 19, transmission belt; 20, protective cover; 21, push plate; 22, support rod; 23, scraper; 24, fixed crushing knife. Detailed implementation manners

[0017] For ease of understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present utility model is more thorough and comprehensive.

[0018] As Figures 1 to 5As shown, a plurality of legs 2 are fixedly installed at the bottom of the crushing box 1 to support the equipment, a feeding hopper 3 is connected to the right end of the top of the crushing box 1, a discharge pipe is arranged at the bottom of the crushing box 1, a dual-output transmission 4 is fixedly installed at the middle of the top of the crushing box 1, an input end of the dual-output transmission 4 is connected to the output end of the driving motor 5, a main shaft 6 is connected to the lower output end of the dual-output transmission 4, and the main shaft 6 is rotatably installed inside the crushing box 1, a plurality of groups of horizontal crushing knives 7 are connected to the upper and lower sides of the outer wall of the main shaft 6, a plurality of vertical crushing knives 8 are connected to the top of the horizontal crushing knife 7, and a plurality of guide The guide plate 9 is installed on the upper and lower sides of the inner wall of the crushing box 1. The middle part of the guide plate 9 is inclined downward, and a feeding round hole matching the horizontal crushing knife 7 is opened in the middle part. The horizontal crushing knife 7 is rotated and located in the feeding round hole. The first screening net 10 and the second screening net 11 are arranged up and down and installed on the inner wall of the crushing box 1. The aperture of the first screening net 10 is larger than that of the second screening net 11. The left ends of the first screening net 10 and the second screening net 11 are connected to the collecting pipe 12. A plurality of push plates 21 are installed on the outer wall of the main shaft 6. The push plates 21 are respectively located on the upper parts of the first screening net 10 and the second screening net 11, and are connected to the first screening net 10 and the second screening net 11. The selection net 10 is in contact with the upper surface of the second screening net 11. A plurality of fixed crushing knives 24 are arranged at the bottom of the first screening net 10. The fixed crushing knives 24 cooperate with the vertical crushing knives 8. The lifting cylinder 13 is installed on the left side wall of the crushing box 1. A partition 14 is installed in the middle of the lifting cylinder 13 to divide the interior of the lifting cylinder 13 into two upper and lower lifting chambers. The input end of the lower lifting chamber is connected to the lower collecting pipe 12, and the output end of the lower lifting chamber is connected to the crushing chamber below the first screening net 10. The input end of the upper lifting chamber is connected to the upper collecting pipe 12, and the output end of the upper lifting chamber is connected to the upper crushing chamber. The rotating shaft 15 is rotatably mounted in the middle of the lifting cylinder 13, a spiral conveying blade 16 is mounted on the outer wall of the rotating shaft 15, the input end of the rotating shaft 15 is connected to the output end of the transmission 17, a transmission pulley 18 is mounted on the input end of the transmission 17, a driving pulley is arranged on the upper output end of the dual-output transmission 4, the driving pulley 18 and the driving pulley are connected by a transmission belt 19, a protective cover 20 is mounted on the outside of the transmission belt 19, a plurality of support rods 22 are axially evenly mounted on the lower outer wall of the main shaft 6, a scraper 23 is mounted on the support rod 22, and the scraper 23 contacts the bottom end of the crushing box 1;

[0019] After the raw materials enter the inside of the crushing box body 1 through the feeding hopper 3, the raw materials are guided towards the middle through the setting of the guide plate 9, so that the raw materials contact the horizontal crushing knives 7. Start the driving motor 5 to drive the main shaft 6 to rotate through the double-output transmission 4. The main shaft 6 drives multiple groups of horizontal crushing knives 7 to rotate to crush the raw materials. At the same time, the horizontal crushing knives 7 drive the vertical crushing knives 8 to rotate, increasing the crushing direction and improving the crushing quality. The shredded raw materials fall downward through the blanking round holes, reducing the cutting dead angle and improving the working efficiency. The raw materials cut and crushed by the multiple groups of horizontal crushing knives 7 and vertical crushing knives 8 on the upper side fall onto the upper part of the first screening mesh 10. When the main shaft 6 rotates, it drives the push plate 21 to rotate to push the raw materials. The raw materials that meet the requirements fall downward, and the raw materials that do not meet the requirements enter the collecting pipe 12. Similarly, the second screening mesh 11 screens the raw materials that meet the requirements, so that the raw materials that meet the requirements fall to the bottom of the crushing box body 1. When the lower vertical crushing knives 8 rotate, they cooperate with the fixed crushing knives 24 to improve the crushing effect and further improve the crushing quality. The driving motor 5 drives the double-output transmission 4 to rotate. The double-output transmission 4 drives the belt pulley 18 to rotate through the driving belt pulley and the transmission belt 19. The belt pulley 18 drives the rotating shaft 15 to rotate through the transmission 17. The rotating shaft 15 drives the spiral conveying blade 16 to rotate, lifting the raw materials that do not meet the requirements in the collecting pipe 12 upward and re-entering the crushing chamber for secondary crushing, improving the crushing quality and practicality. When the main shaft 6 rotates, it drives the scraper 23 to rotate through the support rod 22, pushing the bottom of the crushing box body 1 and accelerating the discharge of the raw materials, improving the practicality.

[0020] Such as Figures 1 to 5As shown in the figure, for a multi-stage crusher for fertilizer production raw materials of the present utility model, during operation, the raw materials enter the interior of the crushing box body 1 through the feeding hopper 3. The raw materials are guided towards the middle through the arrangement of the guiding plate 9, so that the raw materials come into contact with the horizontal crushing knives 7. The driving motor 5 is started to drive the main shaft 6 to rotate through the double-output transmission 4. The main shaft 6 drives a plurality of groups of horizontal crushing knives 7 to rotate to crush the raw materials. At the same time, the horizontal crushing knives 7 drive the vertical crushing knives 8 to rotate, increasing the crushing direction. The shredded raw materials fall downward through the blanking round holes. The raw materials after being cut and crushed by the upper plurality of groups of horizontal crushing knives 7 and vertical crushing knives 8 fall onto the upper part of the first screening mesh 10. When the main shaft 6 rotates, it drives the pushing plate 21 to rotate to push the raw materials. The raw materials that meet the requirements fall downward, and the raw materials that do not meet the requirements enter the collection pipe 12. Similarly, the second screening mesh 11 screens the raw materials that meet the requirements, so that the raw materials that meet the requirements fall to the bottom of the crushing box body 1. When the lower vertical crushing knives 8 rotate, they cooperate with the fixed crushing knives 24 to improve the crushing effect. The driving motor 5 drives the double-output transmission 4 to rotate. The double-output transmission 4 drives the transmission belt wheel 18 to rotate through the driving belt pulley and the transmission belt 19. The transmission belt wheel 18 drives the rotating shaft 15 to rotate through the transmission 17. The rotating shaft 15 drives the spiral conveying blades 16 to rotate, lifting the raw materials that do not meet the requirements in the collection pipe 12 upward and re-entering the crushing chamber for re-crushing. When the main shaft 6 rotates, it drives the scraper 23 to rotate through the support rod 22 to push the bottom of the crushing box body 1, accelerating the discharge of the raw materials.

[0021] The double-output transmission 4, the driving motor 5 and the transmission 17 of the multi-stage crusher for fertilizer production raw materials of the present utility model are purchased on the market. Those skilled in the art only need to install and operate according to the attached operation manuals, without the need for creative labor from those skilled in the art.

[0022] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A multi-stage crusher for fertilizer production raw materials, characterized in that, It includes a crushing box body (1), multiple legs (2), a feeding hopper (3), a crushing mechanism, a screening component, a lifting component and a scraping component. Multiple legs (2) are fixedly installed at the bottom of the crushing box body (1) to support the equipment. A feeding hopper (3) is connected to the right end of the top of the crushing box body (1). An outlet pipe is arranged at the bottom of the crushing box body (1). The crushing mechanism is installed inside the crushing box body (1). The screening component is installed inside the crushing box body (1) to form multiple-stage crushing cavities inside the crushing box body (1). The lifting component is installed on the left side wall of the crushing box body (1) and communicates with the multiple-stage crushing cavities. The scraping component is installed at the lower end inside the crushing box body (1).

2. The multi-stage crusher for fertilizer production raw materials according to claim 1, characterized in that, The crushing mechanism includes a dual-output transmission (4), a driving motor (5), a main shaft (6), multiple groups of horizontal crushing knives (7), multiple groups of vertical crushing knives (8) and a guiding component. The dual-output transmission (4) is fixedly installed in the middle of the top of the crushing box body (1). The input end of the dual-output transmission (4) is connected to the output end of the driving motor (5). The lower output end of the dual-output transmission (4) is connected to a main shaft (6). The main shaft (6) is rotatably installed inside the crushing box body (1). Multiple groups of horizontal crushing knives (7) are connected to the upper and lower sides of the outer wall of the main shaft (6). Multiple vertical crushing knives (8) are connected to the top of the horizontal crushing knives (7).

3. The multi-stage crusher for fertilizer production raw materials according to claim 2, characterized in that, The guiding component includes multiple groups of guiding plates (9). The multiple groups of guiding plates (9) are installed on the upper and lower sides of the inner wall of the crushing box body (1). The middle of the guiding plate (9) is inclined downward, and a feeding round hole matching the horizontal crushing knife (7) is opened in the middle. The horizontal crushing knife (7) rotates inside the feeding round hole.

4. The multi-stage crusher for fertilizer production raw materials according to claim 1, characterized in that, The screening component includes a first screening mesh (10), a second screening mesh (11), a collecting pipe (12) and multiple groups of pushing plates (21). The first screening mesh (10) and the second screening mesh (11) are arranged vertically and installed on the inner wall of the crushing box body (1). The aperture of the first screening mesh (10) is larger than that of the second screening mesh (11). The left ends of the first screening mesh (10) and the second screening mesh (11) are connected to a collecting pipe (12). Multiple pushing plates (21) are installed on the outer wall of the main shaft (6). The pushing plates (21) are respectively located above the first screening mesh (10) and the second screening mesh (11) and are in contact with the upper surfaces of the first screening mesh (10) and the second screening mesh (11). Multiple groups of fixed crushing knives (24) are arranged at the bottom of the first screening mesh (10). The fixed crushing knives (24) cooperate with the vertical crushing knives (8).

5. The multi-stage crusher for fertilizer production raw materials according to claim 4, characterized in that, The lifting assembly comprises a lifting cylinder (13), a partition (14), a rotating shaft (15), a spiral conveying blade (16), a transmission (17), a driving pulley (18), a driving belt (19) and a protective cover (20). The lifting cylinder (13) is installed on the left side wall of the crushing box (1). A partition (14) is installed in the middle of the lifting cylinder (13) to divide the interior of the lifting cylinder (13) into two upper and lower lifting chambers. The input end of the lower lifting chamber is connected to the lower collecting pipe (12), the output end of the lower lifting chamber is connected to the crushing chamber below the first screening net (10), and the input end of the upper lifting chamber is connected to the upper collecting pipe (12). The upper collecting pipe (12) is connected to the upper lifting chamber, the output end of the upper lifting chamber is connected to the upper crushing chamber, the rotating shaft (15) is rotatably mounted in the middle of the lifting cylinder (13), the outer wall of the rotating shaft (15) is mounted with a spiral conveying blade (16), the input end of the rotating shaft (15) is connected to the output end of a transmission (17), the input end of the transmission (17) is mounted with a driving pulley (18), the upper output end of the dual-output transmission (4) is provided with a driving pulley, the driving pulley (18) and the driving pulley are connected by a driving belt (19), and a protective cover (20) is mounted on the outside of the driving belt (19).

6. The multi-stage crusher for fertilizer production raw materials according to claim 2, wherein, The scraping assembly comprises a plurality of support rods (22) and a plurality of scrapers (23). The plurality of support rods (22) are axially and evenly mounted on the lower outer wall of the main shaft (6). The scrapers (23) are mounted on the support rods (22), and the scrapers (23) are in contact with the bottom end of the crushing box (1).

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