Pulverizer with central shaft air inlet structure
By designing a central shaft air inlet structure in the crusher and utilizing the cooperation of power and cooling components, efficient cooling of the central shaft is achieved, solving the problem of high temperature of the central shaft in traditional crushers, extending service life and reducing maintenance costs.
Patent Information
- Application Number
- CN202422764169.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-13
AI Technical Summary
In traditional crushers, the central shaft and bearings of the rotor generate high temperatures when rotating at high speeds, which shortens their lifespan. Furthermore, existing air intake systems are complex, have poor cooling effects, are inconvenient to maintain, and are costly.
A pulverizer with a central shaft air intake structure was designed. The hollow roller is driven to rotate by a power component. Outside air is drawn in by a cooling fan and water mist is sprayed in by a cooling component. Combined with the air flow in the hollow roller, heat is carried away, thus achieving effective cooling of the central shaft.
It effectively extends the life of the central shaft and bearings, simplifies the cooling system, and reduces maintenance difficulty and cost.
Smart Images

Figure CN223556087U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pulverizer technical field especially, it is a kind of pulverizer with center shaft air intake structure. BACKGROUND
[0002] The center shaft of rotor in traditional pulverizer and bearing generate high temperature after long-term high-speed rotation, which can shorten the service life of center shaft and bearing, and it is inconvenient to cool the center shaft.
[0003] Prior art such as CN205109750U discloses a kind of chemical pulverizer with center shaft air intake system, its air intake system is too complex, it is inconvenient to quickly guide air, the internal cooling of cutter roll is not good, and it is inconvenient to maintain, and cost is high.
[0004] In order to overcome these disadvantages, the utility model provides a kind of pulverizer with center shaft air intake structure. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the shortcomings in prior art, and provides a kind of pulverizer with center shaft air intake structure.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of pulverizer with center shaft air intake structure, including body, the both sides of hollow roller are rotatably connected in the body, the outer side of hollow roller is fixedly connected with pulverizing tooth, the front and rear ends of hollow roller are penetrated through body, the outer side of hollow roller front end is fixedly connected with first tooth ring, the both sides of the front end of body are rotatably connected with shaft, the front end of shaft is fixedly connected with heat dissipation fan, the second tooth ring of shaft is fixedly connected with first tooth ring and is engagedly connected, the front end of body is provided with cooling assembly, the rear end of body is provided with power assembly for driving hollow roller rotation.
[0007] Further, the upper end of the body is fixedly connected with an end cover, and the end cover is provided with a feed inlet.
[0008] Further, the bottom end of the body is fixedly connected with a discharge hopper, and the discharge hopper is fixedly connected with supporting feet at four corners.
[0009] Further, the cooling assembly comprises a cover body fixedly connected with the body, ventilation openings are formed in the both sides of the cover body, and protective nets are arranged in the ventilation openings.
[0010] Further, the cover body is fixedly connected with a first connecting pipe inside, a plurality of spray heads are fixedly connected to the first connecting pipe, a liquid storage tank is fixedly connected to one side of the body, a water pump is fixedly connected to one side of the cover body, the output end of the water pump is fixedly connected with one end of the first connecting pipe, and a second connecting pipe is fixedly connected between the input end of the water pump and the liquid storage tank.
[0011] Further, the power assembly includes a driving motor fixedly connected with the machine body, a second sprocket is fixedly connected with the output end of the driving motor, a first sprocket is fixedly connected with the rear side of the hollow roller on one side, and the first sprocket and the second sprocket are driven through a chain.
[0012] Further, the hollow roller rear end is fixedly connected with a third gear ring and a fourth gear ring respectively, and the third gear ring and the fourth gear ring are meshed and connected.
[0013] The beneficial effects of the utility model are as follows:
[0014] In use, the pulverizer with the center shaft air inlet structure can drive the hollow roller to relatively rotate through the driving assembly, so that the pulverizing teeth can be driven to pulverize the materials, when the hollow roller rotates, the heat dissipation fan on the rotating shaft can be driven to rotate through the meshing of the first gear ring and the second gear ring, so that the external air can be sucked into the cover body through the ventilation opening, and the air is discharged through the hollow roller, the cooling assembly can spray the water mist into the cover body, the water mist passes through the hollow roller along with the air, so that the heat on the hollow roller can be taken out. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme of the utility model, the following will be briefly introduced the drawings needed to be used in the specific implementation manner, obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0016] Figure 1 The front view of the utility model,
[0017] Figure 2 The internal structure diagram of the machine body of the utility model,
[0018] Figure 3 The power assembly structure diagram of the utility model,
[0019] Figure 4 The cooling assembly structure diagram of the utility model.
[0020] The signs are as follows:
[0021] 1. Machine body; 2. End cover; 3. Feed inlet; 4. Feed hopper; 5. Support feet; 6. Cooling assembly; 7. Hollow roller; 8. Crushing teeth; 9. First toothed ring; 10. Rotating shaft; 11. Second toothed ring; 12. Cooling fan; 13. Third toothed ring; 14. Fourth toothed ring; 15. First sprocket; 16. Chain; 17. Drive motor; 18. Second sprocket; 19. Cover; 20. Protective net; 21. First connecting pipe; 22. Nozzle; 23. Water pump; 24. Second connecting pipe; 25. Liquid storage tank. Detailed Implementation
[0022] 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 skilled in the art without creative effort are within the protection scope of the present utility model.
[0023] like Figures 1-4 As shown, a pulverizer with a central shaft air inlet structure is disclosed, comprising a body 1, hollow rollers 7 rotatably connected to both sides inside the body 1, pulverizing teeth 8 fixedly connected to the outer sides of the hollow rollers 7, the front and rear ends of the hollow rollers 7 penetrating the body 1, a first toothed ring 9 fixedly connected to the outer side of the front end of the hollow rollers 7, rotating shafts 10 rotatably connected to both sides of the front end of the body 1, cooling fans 12 fixedly connected to the front end of the rotating shafts 10, the fan blades of the cooling fans 12 on both sides being opposite, a second toothed ring 11 fixedly connected to the rotating shafts 10 and meshing with the first toothed ring 9, a cooling component 6 provided at the front end of the body 1, and a power component for driving the hollow rollers 7 to rotate provided at the rear end of the body 1.
[0024] As shown in the figure, an end cover 2 is fixedly connected to the upper end of the machine body 1, and a feed inlet 3 is provided on the end cover 2. A hopper 4 is fixedly connected to the bottom end of the machine body 1, and a support foot 5 is fixedly connected to each of the four corners of the hopper 4. The material enters the machine body 1 through the feed inlet 3, which can drive the crushing teeth 8 to crush the material. The crushed material is then discharged through the hopper 4.
[0025] As shown in the figure, the cooling assembly 6 comprises a cover body 19 fixedly connected with the machine body 1, ventilation openings are formed on both sides of the cover body 19, protective nets 20 are arranged inside the ventilation openings, a first connecting pipe 21 is fixedly connected inside the cover body 19, a plurality of spray heads 22 are fixedly connected on the first connecting pipe 21, a liquid storage tank 25 is fixedly connected on one side of the machine body 1, a water pump 23 is fixedly connected on one side of the cover body 19, the output end of the water pump 23 is fixedly connected with one end of the first connecting pipe 21, and the input end of the water pump 23 is fixedly connected with the second connecting pipe 24 between the liquid storage tank 25. The water pump 23 can draw out the water in the liquid storage tank 25 through the second connecting pipe 24, spray the water out through the spray heads 22 of the first connecting pipe 21, and the water mist can be taken out along with the air through the hollow roller 7, so that the heat on the hollow roller 7 can be taken out.
[0026] As shown in the figure, the power assembly comprises a driving motor 17 fixedly connected with the machine body 1, a second sprocket 18 fixedly connected with the output end of the driving motor 17, a first sprocket 15 fixedly connected with the rear side of the hollow roller 7 on one side, a transmission between the first sprocket 15 and the second sprocket 18 through a chain 16, a third gear ring 13 and a fourth gear ring 14 fixedly connected with the rear end of the hollow roller 7 respectively, and a meshing connection between the third gear ring 13 and the fourth gear ring 14. The driving motor 17 drives the second sprocket 18 to rotate, drives the hollow roller 7 fixed with the first sprocket 15 to rotate through the transmission of the chain 16, and drives the other hollow roller 7 to rotate through the transmission of the third gear ring 13 and the fourth gear ring 14.
[0027] Working principle: in use, the hollow roller 7 can be driven to rotate by the power assembly, specifically, the driving motor 17 drives the second sprocket 18 to rotate, drives the hollow roller 7 fixed with the first sprocket 15 to rotate through the transmission of the chain 16, and drives the other hollow roller 7 to rotate through the transmission of the third gear ring 13 and the fourth gear ring 14, the material enters into the machine body 1 through the feeding port 3, so that the crushing teeth 8 can crush the material, the crushed material is discharged through the discharge hopper 4, and the hollow roller 7 rotates to drive the cooling fan 12 on the rotating shaft 10 to rotate through the meshing of the first gear ring 9 and the second gear ring 11, so that the air outside can be sucked into the cover body 19 through the ventilation opening, and the air is discharged through the hollow roller 7. The cooling assembly 6 arranged can spray water mist into the cover body 19, specifically, the water pump 23 can draw out the water in the liquid storage tank 25 through the second connecting pipe 24, spray the water out through the spray heads 22 of the first connecting pipe 21, and the water mist can be taken out along with the air through the hollow roller 7, so that the heat on the hollow roller 7 can be taken out.
[0028] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.
Claims
1. A shredder having a central axial air intake, comprising a body (1), characterised in that: The body (1) is rotatably connected with hollow rollers (7) on both sides, the outer side of the hollow roller (7) is fixedly connected with a crushing tooth (8), the hollow roller (7) penetrates the body (1) at the front and rear ends, the outer side of the hollow roller (7) is fixedly connected with a first tooth ring (9) at the front end, the body (1) is rotatably connected with a rotating shaft (10) at the front end, the rotating shaft (10) is fixedly connected with a cooling fan (12) at the front end, the rotating shaft (10) is fixedly connected with a second tooth ring (11) engaged with the first tooth ring (9), the body (1) is provided with a cooling assembly (6) at the front end, and the body (1) is provided with a power assembly for driving the hollow roller (7) to rotate at the rear end.
2. A shredder having a central axis air intake according to claim 1, wherein: The body (1) is fixedly connected with an end cover (2) at the upper end, and the end cover (2) is provided with a feeding port (3).
3. The shredder having a central axis air intake according to claim 1, wherein: The body (1) is fixedly connected with a lower hopper (4) at the bottom end, and the lower hopper (4) is fixedly connected with supporting feet (5) at the four corners.
4. The shredder having a central axis air intake according to claim 1, wherein: The cooling assembly (6) comprises a cover body (19) fixedly connected with the body (1), ventilation openings are formed in the two sides of the cover body (19), and protective nets (20) are arranged in the ventilation openings.
5. A shredder having a central axis air intake according to claim 4, wherein: The cover body (19) is fixedly connected with a first connecting pipe (21) inside, a plurality of spray heads (22) are fixedly connected to the first connecting pipe (21), one side of the body (1) is fixedly connected with a liquid storage tank (25), one side of the cover body (19) is fixedly connected with a water pump (23), the output end of the water pump (23) is fixedly connected with one end of the first connecting pipe (21), and the input end of the water pump (23) is fixedly connected with the second connecting pipe (24) between the liquid storage tank (25).
6. The shredder having a central axis air intake according to claim 1, wherein: The power assembly comprises a driving motor (17) fixedly connected with the body (1), the output end of the driving motor (17) is fixedly connected with a second sprocket (18), the rear side of the hollow roller (7) on one side is fixedly connected with a first sprocket (15), and the first sprocket (15) and the second sprocket (18) are driven by a chain (16).
7. A shredder having a central axis air intake according to claim 6, wherein: The rear end of the hollow roller (7) is fixedly connected with a third tooth ring (13) and a fourth tooth ring (14), respectively, and the third tooth ring (13) and the fourth tooth ring (14) are engaged.
Citation Information
Patent Citations
Rubbing crusher with center pin air inlet system
CN205109750U