Anti-accumulation crusher

By pre-treating materials through cutting, crushing, and grinding mechanisms, and accelerating the discharge of materials using airflow and centrifugal force, the problems of uneven material crushing and accumulation are solved, achieving efficient crushing and discharge.

CN223988566UActive Publication Date: 2026-03-13SHANDONG BOLIDA MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

In the current biomass crushing process, some materials are difficult to reach the appropriate particle size, which reduces the production quality of biomass fuel, and the materials are prone to accumulate inside the machine.

Method used

The material is pre-treated by cutting, crushing and grinding mechanisms. Combined with centrifugal force and airflow generated by the fan, the material is fully crushed and discharged quickly. Airflow is used to prevent accumulation.

Benefits of technology

It improves the quality of material crushing and discharge efficiency, avoids material accumulation, and optimizes the practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223988566U_ABST
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Abstract

The utility model relates to the field of biomass fuel processing equipment, in particular to an anti-accumulation crusher which comprises a base and a crushing device, the base is provided with a lower shell and a discharge pipe, the lower shell is provided with an upper shell, the upper shell and the lower shell are communicated with two symmetrically distributed airflow air supplement pipes, and the discharge pipe is provided with a fan; the crushing device comprises a cutting mechanism and a crushing mechanism which are arranged in the upper shell, and a grinding mechanism arranged in the lower shell; the grinding mechanism comprises a third motor arranged on the lower shell, a third rotating shaft rotationally connected to the lower shell, a hammer carrier plate coaxially arranged on the third rotating shaft, six mounting rods distributed on the hammer carrier plate in an annular array mode, a plurality of hammer pieces distributed on the mounting rods in a linear array mode and a sieve plate arranged in the lower shell. According to the utility model, not only can the crushing processing quality of materials be improved, but also the situation that the materials are accumulated in the machine body can be avoided, and the practicability of the device is optimized.
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Description

Technical Field

[0001] This utility model relates to the field of biomass fuel processing equipment, and in particular to an anti-accumulation crusher. Background Technology

[0002] With the increasing severity of global energy shortages and environmental pollution, the development of clean and renewable alternative energy sources is imperative. Biomass energy is a sustainable and recyclable alternative energy source with advantages such as being green and low-carbon, having wide availability, and being easy to convert and utilize. Biomass pulverizers are a crucial step in the preparation of biomass briquettes, and their effectiveness directly impacts biomass combustion efficiency.

[0003] Chinese Patent CN213127167U discloses a biomass pellet crusher, including a crusher with a feeding port at the center of its upper surface and a discharge port at the center of its bottom. A support column is welded to the lower surface of the crusher. An extrusion roller is located inside the crusher at the top. Two rows of cutting blades are symmetrically arranged on one side wall of the extrusion roller with its axis as the axis. The extrusion roller is connected to a telescopic rod, which is fixedly connected to the inner wall of the crusher. The extrusion roller is connected to a drive motor. A second extrusion roller is symmetrically arranged on one side of the extrusion roller. The second extrusion roller is fixedly connected to the inner wall of the crusher by a fixing rod and is connected to a drive motor. A partition is located below the second extrusion roller, with an opening at its center. The partition is welded to the inner wall of the crusher, and an annular air guide pipe is installed above the opening at the center of the partition.

[0004] However, the above technical solution has the following shortcomings: Although the device can pre-cut the difficult-to-process straw into segments, some materials still cannot reach the appropriate particle size when crushed by the crushing roller, which reduces the production quality of biomass fuel. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing an anti-accumulation crusher, which can not only improve the crushing and processing quality of materials, but also prevent materials from accumulating inside the machine body, thus optimizing the practicality of the device.

[0006] The present invention provides a non-accumulation crusher, comprising a base and a crushing device. The base has a lower housing and a discharge pipe connected to each other. An upper housing is mounted on the lower housing. Two symmetrically distributed air supply pipes are connected to the upper and lower housings. A fan is mounted on the discharge pipe. The crushing device includes a cutting mechanism and a crushing mechanism inside the upper housing, and a grinding mechanism inside the lower housing. The grinding mechanism includes a third motor mounted on the lower housing, a third rotating shaft rotatably connected to the lower housing, a hammer holder plate coaxially mounted on the third rotating shaft, six mounting rods arranged in a ring array on the hammer holder plate, multiple hammer blades arranged in a linear array on the mounting rods, and a sieve plate inside the lower housing. The third motor and the third rotating shaft are driven together.

[0007] Preferably, the sieve plate is arc-shaped with the opening facing upwards, and the hammer blade and the sieve plate are slidably connected.

[0008] Preferably, the cutting mechanism includes a first motor mounted on the upper housing, a first rotating shaft rotatably connected to the upper housing, multiple sets of cutting blades linearly arrayed on the first rotating shaft, and two guide plates symmetrically distributed inside the upper housing with cutting holes for the cutting blades to pass through; the first motor and the first rotating shaft are driven together.

[0009] Preferably, the first rotating shaft is provided with six scraper blades arranged in a ring array, and the scraper blades are provided with grooves.

[0010] Preferably, the crushing mechanism includes a support mounted on the upper housing, a second motor mounted on the support, two second rotating shafts rotatably connected to the upper housing, and crushing rollers and gears mounted on the second rotating shafts; the second motor and the second rotating shaft on one side are driven together, and the two gears are meshed together.

[0011] Preferably, the upper and lower shells are respectively provided with an air inlet and an exhaust outlet, and the two ends of the air supply pipe are connected to the air inlet and the exhaust outlet respectively.

[0012] Preferably, the discharge pipe is provided with a pneumatic discharge port.

[0013] Compared with the prior art, the present invention has the following beneficial technical effects:

[0014] This invention pre-treats materials by using a cutting and crushing mechanism to reduce their volume. A grinding mechanism then thoroughly crushes and grinds the material, further refining it and ensuring high-quality processing. Centrifugal force and airflow from a fan accelerate the passage of the crushed material through the sieve holes, improving discharge efficiency. The added air supply pipe prevents material accumulation inside the lower and upper shells due to blocked feed inlets, thus avoiding material buildup. This design demonstrates excellent practicality. 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 partial cross-sectional schematic diagram of the upper shell of this utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the lower shell of this utility model;

[0018] Figure 4 This is a structural schematic diagram of an embodiment of the present utility model.

[0019] Reference numerals: 1. Base; 2. Lower housing; 3. Upper housing; 4. First motor; 5. First rotating shaft; 6. Cutting blade; 7. Guide plate; 8. Cutting hole; 9. Scraper; 10. Support; 11. Second motor; 12. Second rotating shaft; 13. Crushing roller; 14. Gear; 15. Third motor; 16. Third rotating shaft; 17. Hammer frame plate; 18. Mounting rod; 19. Hammer blade; 20. Screen plate; 21. Discharge pipe; 22. Fan; 23. Air delivery outlet; 24. Air supply pipe; 25. Air inlet; 26. Exhaust outlet. Detailed Implementation

[0020] Example 1

[0021] like Figures 1-4 As shown, the anti-accumulation crusher proposed in this embodiment includes a base 1 and a crushing device; a lower shell 2 and a discharge pipe 21 are provided on the base 1, and the lower shell 2 and the discharge pipe 21 are connected to each other. An upper shell 3 is provided on the lower shell 2. Two symmetrically distributed air supply pipes 24 are connected to the upper shell 3 and the lower shell 2. A fan 22 is provided on the discharge pipe 21. An air inlet 25 and an exhaust port 26 are respectively provided on the upper shell 3 and the lower shell 2. The two ends of the air supply pipe 24 are connected to the air inlet 25 and the exhaust port 26 respectively. An air-pumped discharge port 23 is provided on the discharge pipe 21.

[0022] The crushing device includes a cutting mechanism and a crushing mechanism disposed inside the upper housing 3, and a grinding mechanism disposed inside the lower housing 2. The grinding mechanism includes a third motor 15 disposed on the lower housing 2, a third rotating shaft 16 rotatably connected to the lower housing 2, a hammer holder plate 17 coaxially disposed on the third rotating shaft 16, six mounting rods 18 arranged in a ring array on the hammer holder plate 17, multiple hammer blades 19 arranged in a linear array on the mounting rods 18, and a sieve plate 20 disposed inside the lower housing 2. The third motor 15 and the third rotating shaft 16 are drivenly connected, the sieve plate 20 is arc-shaped and the opening faces upward, and the hammer blades 19 and the sieve plate 20 are slidably connected.

[0023] In this embodiment, after the material is poured into the upper shell 3, it is pre-treated by the cutting and grinding mechanisms. Then, the third motor 15 drives the third rotating shaft 16 to rotate, which in turn drives the hammer frame plate 17 and the mounting rod 18 to rotate. This causes the hammer blades 19 to grind the pre-treated material. The material is fully ground and crushed by the impact of the high-speed rotating hammer blades 19 and the friction of the sieve plate 20. The crushed material falls through the sieve holes on the sieve plate 20. Combined with the centrifugal force of the hammer blades 19 and the airflow generated by the fan 22, the crushed material can pass through the sieve plate 20 more quickly and be discharged from the air outlet 23, improving the material discharge efficiency. At the same time, the air supply pipe 24 can prevent the material from accumulating inside the lower shell 2 and the upper shell 3 due to the blockage of the inlet when feeding the material. This has good practicality.

[0024] Example 2

[0025] like Figure 2 and Figure 4 As shown, the anti-accumulation crusher proposed in this embodiment, compared with the first embodiment, the cutting mechanism in this embodiment includes a first motor 4 disposed on the upper housing 3, a first rotating shaft 5 rotatably connected to the upper housing 3, multiple sets of cutting blades 6 linearly arrayed on the first rotating shaft 5, and two guide plates 7 symmetrically distributed inside the upper housing 3 and having cutting holes 8 for the cutting blades 6 to pass through; the first motor 4 and the first rotating shaft 5 are drivenly connected, and six scraper plates 9 arranged in a ring array are disposed on the first rotating shaft 5, and the scraper plates 9 are provided with grooves.

[0026] The crushing mechanism includes a support 10 mounted on the upper housing 3, a second motor 11 mounted on the support 10, two second rotating shafts 12 rotatably connected to the upper housing 3, and a crushing roller 13 and a gear 14 mounted on the second rotating shafts 12; the second motor 11 and the second rotating shaft 12 on one side are driven to be connected, and the two gears 14 are meshed to be connected.

[0027] In this embodiment, after the material is fed into the upper housing 3, it falls onto the guide plate 7. The first motor 4 drives the first rotating shaft 5 to rotate, and the first rotating shaft 5 drives the cutting blade 6 to rotate. With the help of the cutting holes 8 provided on the guide plate 7, the cutting blade 6 cuts some of the longer materials into smaller segments. Then, the scraper plate 9 scrapes the material into the interior of the upper housing 3. The second motor 11 drives the second rotating shaft 12 on one side to rotate, so that the two gears 14 mesh and drive each other. Then, the two crushing rollers 13 rotate relative to each other to squeeze and crush the falling material, reducing the size of the material so as to facilitate subsequent grinding and crushing processing and improve the processing effect of the material.

[0028] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An anti-accumulation pulverizer characterized by comprising: The utility model relates to a kind of waste plastic pyrolysis device, including: Base (1), which is provided with lower shell (2) and discharge pipe (21) thereon, lower shell (2) and discharge pipe (21) are communicated with each other, upper shell (3) is provided on lower shell (2), two symmetrical air flow air supplement pipes (24) are provided on upper shell (3) and lower shell (2) and communicated, fan (22) is provided on discharge pipe (21); The pulverizing device includes a cutting mechanism and a crushing mechanism arranged inside the upper shell (3), and a grinding mechanism arranged inside the lower shell (2). The grinding mechanism includes a third motor (15) arranged on the lower shell (2), a third rotating shaft (16) rotatably connected to the lower shell (2), a hammer holder plate (17) coaxially arranged on the third rotating shaft (16), six installation rods (18) arranged in a ring array on the hammer holder plate (17), a plurality of hammer pieces (19) arranged in a linear array on the installation rods (18), and a sieve plate (20) arranged inside the lower shell (2). The third motor (15) and the third rotating shaft (16) are drivingly connected.

2. A non-accumulating shredder according to claim 1, characterized in that The sieve plate (20) is arc-shaped and has an upward opening, and the hammer pieces (19) and the sieve plate (20) are slidingly connected.

3. The anti-accumulation shredder according to claim 1, characterized in that, The cutting mechanism includes a first motor (4) arranged on the upper shell (3), a first rotating shaft (5) rotatably connected to the upper shell (3), a plurality of cutting knives (6) arranged in a linear array on the first rotating shaft (5), and two guide plates (7) symmetrically arranged inside the upper shell (3) and having cutting holes (8) for the cutting knives (6) to pass through. The first motor (4) and the first rotating shaft (5) are drivingly connected.

4. A non-accumulating shredder according to claim 3, wherein Six scraping plates (9) are arranged in a ring array on the first rotating shaft (5), and the scraping plates (9) are provided with grooves.

5. The anti-accumulation shredder according to claim 1, characterized in that, The crushing mechanism includes a support (10) arranged on the upper shell (3), a second motor (11) arranged on the support (10), two second rotating shafts (12) rotatably connected to the upper shell (3), and a pulverizing roller (13) and a gear (14) arranged on the second rotating shaft (12). The second motor (11) and one side of the second rotating shaft (12) are drivingly connected, and the two gears (14) are meshingly connected.

6. The anti-accumulation shredder according to claim 1, characterized in that, An air inlet (25) and an air outlet (26) are respectively arranged on the upper shell (3) and the lower shell (2), and the two ends of the air flow air supplement pipe (24) are respectively connected to the air inlet (25) and the air outlet (26).

7. The anti-accumulation shredder according to claim 1, characterized in that, The discharge pipe (21) is provided with a pneumatic discharge outlet (23).

Citation Information

Patent Citations

  • Biomass particle pulverizer

    CN213127167U