A grinding machine for processing large bevel gears

Abstract

This invention relates to the field of gear grinding machine technology and discloses a gear grinding machine for processing large bevel gears. The machine includes a base, a bevel gear blank mounting seat fixedly installed on the top of the base, a gear grinding spindle device fixedly installed on the top of the base, an industrial chiller fixedly installed on the side of the base, a grinding fluid storage mechanism on the side of the base, and a protective mechanism on the top of the base. The grinding fluid storage mechanism is used for the recovery and output of the grinding fluid. Through the coordinated design of the grinding fluid storage mechanism and the industrial chiller, the working pipe of the industrial chiller can be connected to a joint. When the industrial chiller is running, it produces circulating chilled water that flows through the inner cavity of a bent copper pipe. The grinding fluid inside the storage tank exchanges heat with the chilled water through the bent copper pipe, lowering the temperature of the grinding fluid. This allows the grinding fluid temperature to be stably controlled within a reasonable range, maintaining good cooling and lubrication capabilities throughout the process and effectively avoiding various processing problems caused by high temperatures.

Description

Technical Field

[0001] This invention relates to the field of gear grinding machine technology, specifically to a gear grinding machine for processing large bevel gears. Background Technology

[0002] A bevel gear grinding machine is a specialized gear processing equipment designed for precision grinding of bevel gear teeth. Utilizing the grinding action of a grinding wheel, it performs fine finishing on the tooth surfaces of heat-treated bevel gears, effectively correcting deformation errors generated during gear processing and quenching. This significantly improves the accuracy of various indicators such as tooth profile, tooth direction, and tooth pitch, optimizes tooth surface finish, and reduces meshing wear. The equipment is suitable for processing bevel gears with various structures, including spur, spiral, and helical gears. Its stable grinding process ensures smooth gear transmission and load-bearing capacity, making it widely used in the production of precision parts requiring bevel gear transmissions in various industries such as automotive transmissions, construction machinery, agricultural machinery, and military equipment.

[0003] The grinding process for large bevel gears has a long cycle, requiring the equipment to run continuously for extended periods. The high-speed friction between the gear and the grinding wheel generates a significant amount of heat, which accumulates and causes a substantial rise in the grinding fluid temperature. As the oil temperature increases, the cooling and lubricating properties of the grinding fluid diminish considerably, failing to effectively dissipate the heat generated during processing. This easily leads to workpiece deformation, tooth surface defects, and ultimately severely reduces the finished quality of the large bevel gears. Therefore, we propose a grinding machine for large bevel gears. Summary of the Invention

[0004] The purpose of this invention is to provide a grinding machine for processing large bevel gears, so as to solve the problem mentioned in the background art that the cooling and lubrication performance of the grinding fluid itself will be greatly reduced during the processing of large bevel gears, and it will be unable to remove the heat generated during processing in time.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a grinding machine for processing large bevel gears, comprising a machine base, a bevel gear blank mounting seat fixedly installed on the top of the machine base, a grinding spindle device fixedly installed on the top of the machine base, an industrial chiller fixedly installed on the side of the machine base, a grinding fluid storage mechanism provided on the side of the machine base, and a protective mechanism provided on the top of the machine base. The grinding fluid storage mechanism is used for recycling and outputting the grinding fluid, and the protective mechanism is used for providing physical protection for the bevel gear blank mounting seat and the grinding spindle device. The grinding fluid storage mechanism includes a storage tank and a distribution plate. The storage tank is fixedly installed on the side of the machine base. A bent copper tube is fixedly connected to the inner wall of the storage tank. A first distribution pipe is fixedly connected to the outer wall of the storage tank. The number of first distribution pipes is set to two, and they are respectively located at the two ends of the bent copper tube. A first connector is fixedly connected to the outer wall of the first distribution pipe. A pump is fixedly installed on the outer wall of the storage tank. A mounting leg is fixedly installed on the top of the distribution plate. The input end of the pump extends into the inner cavity of the storage tank, and the output end of the pump is connected to the outer wall of the distribution plate.

[0006] Preferably, a rotating shaft is rotatably connected to the bent copper tube, an internal blade located in the inner cavity of the bent copper tube is fixedly installed on the outer wall of the rotating shaft, an external blade located in the inner cavity of the liquid storage tank is fixedly installed on the outer wall of the rotating shaft, a bracket is fixedly installed at the bottom of the bent copper tube, and an arc-shaped baffle is fixedly installed at the bottom of the bracket.

[0007] Preferably, the top of the liquid storage tank is fixedly connected to a liquid inlet cover, and a strip baffle is fixedly installed on the inner wall of the liquid inlet cover. A frustum groove is opened on the top of the strip baffle, and a stainless steel filter cartridge is movably inserted into the top of the frustum groove.

[0008] Preferably, a support leg is fixedly installed on the top of the liquid storage tank, and a slanted frame is fixedly installed on the top of the support leg, with the slanted frame having an inclination angle of 5°.

[0009] Preferably, a drive motor is fixedly installed on the outer wall of the inclined frame, an active roller and a driven roller are rotatably connected in the inner cavity of the inclined frame, the output shaft of the drive motor is fixedly connected to the end of the active roller, a conveyor belt is sleeved on the outer wall of the active roller and the driven roller, and a mesh belt is fixedly connected to the middle of the conveyor belt.

[0010] Preferably, the bottom of the diverter plate is fixedly connected to a gooseneck tube, and the number of gooseneck tubes is set to four. The bottom of the gooseneck tube located in the middle is fixedly connected to a hemispherical nozzle, and the bottom of the remaining gooseneck tubes is fixedly connected to a pointed nozzle.

[0011] Preferably, the protective mechanism includes a housing, which is fixedly installed on the top of the base. The mounting legs are fixedly installed on the inner wall of the housing. A raised ring is fixedly installed on the side of the housing. A horizontal copper tube is fixedly installed on the inner wall of the raised ring. Fins are fixedly connected to the outer wall of the horizontal copper tube. Two diverter pipes are fixedly connected to both ends of the horizontal copper tube. A connector is fixedly connected to the outer wall of the diverter pipe. A receiving ring is fixedly installed on the side of the raised ring. A magnetic block is fixedly installed on the inner wall of the receiving ring. A metal ring is movably inserted into the receiving ring. An air filter plate is fixedly installed on the inner wall of the metal ring. The side of the metal ring is magnetically connected to the magnetic block.

[0012] Preferably, a connecting cover is fixedly connected to the side of the housing away from the protruding ring, a wind box is fixedly connected to the end of the connecting cover, an exhaust fan is fixedly connected to the end of the wind box, a reinforcing leg is fixedly installed on the outer wall of the wind box, and the end of the reinforcing leg away from the wind box is fixedly installed on the side of the housing.

[0013] Preferably, an inner partition frame is fixedly installed in the inner cavity of the air box, a support strip is fixedly installed on the inner wall of the inner partition frame, an oil mist screen is detachably connected to the side of the support strip, and a protruding strip is fixedly installed at the bottom of the inner wall of the inner partition frame.

[0014] Preferably, a HEPA filter is detachably connected to the top of the air box, and an activated carbon filter is detachably connected to the top of the air box.

[0015] Compared with the prior art, the beneficial effects of the present invention are: This invention utilizes a combination design of a grinding fluid storage mechanism and an industrial chiller. The working pipe of the industrial chiller can be connected to a joint. When the industrial chiller is running, it produces circulating chilled water that flows through the inner cavity of a bent copper pipe. The grinding fluid inside the storage tank exchanges heat with the chilled water through the bent copper pipe, thus lowering the temperature of the grinding fluid. This design allows the grinding fluid temperature to be stably controlled within a reasonable range, maintaining good cooling and lubrication capabilities throughout the process. It effectively avoids various processing problems caused by high temperatures, effectively improving the tooth profile accuracy and surface finish of bevel gears. It also allows the equipment to adapt to long-term continuous processing conditions, ensuring the stability and reliability of the overall processing production. Through the design of the protective mechanism, the working pipe of the industrial chiller is pre-connected to the second joint. When the industrial chiller is running, it can produce circulating chilled water that flows through the inner cavity of the horizontal copper pipe. The air entering the box will exchange heat with the horizontal copper pipe, which will lower the temperature of the air. This can effectively alleviate the heat accumulation inside the box during operation, ensure good cooling effect, improve the stability of the bevel gear blank mounting seat and the grinding spindle device, reduce the processing errors and defects caused by high temperature, and greatly improve the precision and overall quality of the grinding of large bevel gears. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the grinding fluid storage mechanism of the present invention; Figure 3 This is a schematic diagram of the internal structure of the liquid storage tank of the present invention; Figure 4 This is a partial cross-sectional view of the bent copper tube of the present invention; Figure 5 This is a schematic diagram of the overall structure of the oblique frame of the present invention; Figure 6 This is a schematic diagram of the liquid inlet hood of the present invention; Figure 7 This is a schematic diagram of the structure of the flow divider of the present invention; Figure 8 This is a schematic diagram of the structure of the housing of the present invention; Figure 9 This is a schematic diagram of the structure of the protruding ring of the present invention; Figure 10 This is a schematic diagram of the internal structure of the bellows of the present invention; Figure 11 This is a schematic diagram of the inner partition frame of the present invention.

[0017] In the diagram: 1. Machine base; 11. Bevel gear blank mounting base; 12. Grinding spindle assembly; 13. Industrial chiller; 2. Grinding fluid storage mechanism; 21. Storage tank; 211. Bent copper pipe; 212. Diverter pipe one; 213. Connector one; 214. Shaft; 215. Internal blades; 216. External blades; 217. Bracket; 218. Arc-shaped baffle; 22. Pump; 23. Inlet hood; 231. Strip baffle; 232. Stainless steel filter cartridge; 24. Support leg; 25. Inclined frame; 251. Drive motor; 252. Drive roller; 253. Driven roller; 25 4. Conveyor belt; 255. Mesh belt; 26. Diverter plate; 261. Mounting leg; 262. Gooseneck tube; 263. Hemispherical nozzle; 264. Pointed nozzle; 3. Protective mechanism; 31. Housing; 32. Raised ring; 33. Horizontal copper tube; 34. Diverter pipe II; 35. Connector II; 36. Fin; 37. Receiving ring; 371. Air filter plate; 38. Air box; 381. HEPA filter; 382. Activated carbon filter; 383. Inner frame; 384. Oil mist screen; 385. Raised strip; 39. Exhaust fan; 391. Connecting cover; 392. Reinforcing leg. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Please see Figures 1-11The present invention provides a technical solution: a grinding machine for processing large bevel gears, including a base 1, a bevel gear blank mounting seat 11 fixedly installed on the top of the base 1, a grinding spindle device 12 fixedly installed on the top of the base 1, an industrial chiller 13 fixedly installed on the side of the base 1, a grinding fluid storage mechanism 2 provided on the side of the base 1, and a protective mechanism 3 provided on the top of the base 1. The grinding fluid storage mechanism 2 is used to recover and output the grinding fluid, and the protective mechanism 3 is used to provide physical protection for the bevel gear blank mounting seat 11 and the grinding spindle device 12. The grinding fluid storage mechanism 2 includes a storage tank 21 and a distribution plate 26. The storage tank 21 is fixedly installed on the side of the machine base 1. A bent copper tube 211 is fixedly connected to the inner wall of the storage tank 21, and a first distribution pipe 212 is fixedly connected to the outer wall of the storage tank 21. Two first distribution pipes 212 are set and are located at the two ends of the bent copper tube 211 respectively. A connector 213 is fixedly connected to the outer wall of the first distribution pipe 212. A pump 22 is fixedly installed on the outer wall of the storage tank 21. A mounting leg 261 is fixedly installed on the top of the distribution plate 26. The input end of the pump 22 extends into the inner cavity of the storage tank 21, and the output end of the pump 22 is connected to the outer wall of the distribution plate 26. In use, the bevel gear blank is installed at the bevel gear blank mounting seat 11, and the grinding spindle device 12 is controlled to work, so as to perform grinding on the bevel gear blank. The working pipe of the industrial chiller 13 is connected to the connector 213. The storage tank 21 can store grinding fluid. When the industrial chiller 13 is running, it can produce circulating cold water that flows through the inner cavity of the bent copper pipe 211. The grinding fluid in the storage tank 21 exchanges heat with the cold water through the bent copper pipe 211, which lowers the temperature of the grinding fluid. This design can stably control the temperature of the grinding fluid within a reasonable range, maintain good cooling and lubrication capabilities throughout the process, and effectively avoid various processing problems caused by high temperature. It can effectively improve the tooth profile accuracy and surface finish of bevel gears, and also allow the equipment to adapt to long-term continuous processing conditions, ensuring the stability and reliability of the overall processing production. During gear grinding, the pump 22 is controlled to work, which can draw the grinding fluid from the storage tank 21 and then deliver it to the distribution plate 26 for use.

[0020] In a preferred embodiment, a rotating shaft 214 is rotatably connected to the bent copper tube 211. An internal blade 215 located within the inner cavity of the bent copper tube 211 is fixedly installed on the outer wall of the rotating shaft 214. An external blade 216 located within the inner cavity of the liquid storage tank 21 is also fixedly installed on the outer wall of the rotating shaft 214. A bracket 217 is fixedly installed at the bottom of the bent copper tube 211, and an arc-shaped baffle 218 is fixedly installed at the bottom of the bracket 217. When the industrial chiller 13 is running, circulating chilled water flows through the interior of the bent copper tube 211. The fluid dynamics will push the built-in blades 215, causing the rotating shaft 214 to rotate. The rotating shaft 214 will simultaneously drive the external blades 216 to rotate. When the external blades 216 rotate, they will push the grinding fluid inside the liquid storage tank 21, thereby accelerating the contact effect between the grinding fluid and the outer wall of the bent copper tube 211, improving the adequacy and speed of cooling. Through the design of the arc-shaped baffle 218, the grinding fluid pushed by the external blades 216 can be guided to the bent copper tube 211, further improving the heat exchange effect.

[0021] In a preferred embodiment, a liquid inlet cover 23 is fixedly connected to the top of the liquid storage tank 21. A strip baffle 231 is fixedly installed on the inner wall of the liquid inlet cover 23. A frustum groove is opened at the top of the strip baffle 231. A stainless steel filter cartridge 232 is movably inserted into the top of the frustum groove. When grinding the bevel gear blank, the used grinding fluid is guided to the top of the liquid inlet cover 23 through a pipe. The grinding fluid will pass through the frustum groove and enter the interior of the liquid storage tank 21 for temporary storage. Through the design of the stainless steel filter cartridge 232, the grinding fluid can be filtered to remove debris inside the grinding fluid and ensure its performance.

[0022] In a preferred embodiment, a support leg 24 is fixedly installed on the top of the liquid storage tank 21, and a slanted frame 25 is fixedly installed on the top of the support leg 24. The slanted frame 25 has an inclination angle of 5°. During use, the grinding fluid should be guided to the vicinity of the center of the top of the slanted frame 25. Since the slanted frame 25 is slanted, the grinding fluid will be guided by the slanted frame 25 to the inner cavity of the liquid inlet cover 23.

[0023] In a preferred embodiment, a drive motor 251 is fixedly mounted on the outer wall of the inclined frame 25. A drive roller 252 and a driven roller 253 are rotatably connected inside the cavity of the inclined frame 25. The output shaft of the drive motor 251 is fixedly connected to the end of the drive roller 252. A conveyor belt 254 is sleeved on the outer wall of the drive roller 252 and the driven roller 253. A mesh belt 255 is fixedly connected to the middle of the conveyor belt 254. When the grinding fluid is guided to the top of the inclined frame 25, the used grinding fluid will fall onto the mesh belt 25. At the top of the filter cartridge 252, the liquid portion passes through the mesh belt 255 and falls into the bottom of the inner cavity of the inclined frame 25, and is then guided into the liquid shroud 23. The solid portion remains at the top of the mesh belt 255. The drive motor 251 is controlled to work, which can drive the active roller 252 to rotate, thereby driving the mesh belt 255 to move in a cycle. The mesh belt 255 can push the solid portion to a higher position and discharge it. Users can collect the solid portion with the help of a container. This design can reduce the frequency of manual cleaning of the stainless steel filter cartridge 232.

[0024] In a preferred embodiment, a gooseneck tube 262 is fixedly connected to the bottom of the distribution plate 26. Four gooseneck tubes 262 are used. A hemispherical nozzle 263 is fixedly connected to the bottom of the middle gooseneck tube 262, and pointed nozzles 264 are fixedly connected to the bottom of the remaining gooseneck tubes 262. The gooseneck tube 262 is an existing pipe device that can be bent, facilitating user adjustment of the positions of the hemispherical nozzle 263 and the pointed nozzles 264. When the pump 22 is running, grinding fluid is delivered into the distribution plate 26. The grinding fluid inside the distribution plate 26 then passes through the gooseneck tubes 262 and is output from the hemispherical nozzle 263 and the pointed nozzles 264. The hemispherical nozzle 263 can diffuse the grinding fluid, while the pointed nozzles 264 can linearly output the grinding fluid. These two output methods, combined with multi-point output, effectively cover the grinding area, ensuring the grinding effect.

[0025] In a preferred embodiment, the protective mechanism 3 includes a housing 31, which is fixedly mounted on the top of the base 1. Mounting legs 261 are fixedly mounted on the inner wall of the housing 31. A raised ring 32 is fixedly mounted on the side of the housing 31. A horizontal copper tube 33 is fixedly mounted on the inner wall of the raised ring 32. Fins 36 are fixedly connected to the outer wall of the horizontal copper tube 33. Diverter pipes 34 are fixedly connected to both ends of the horizontal copper tube 33. Connectors 35 are fixedly connected to the outer wall of the diverter pipes 34. A receiving ring 37 is fixedly mounted on the side of the raised ring 32. A magnetic block is fixedly mounted on the inner wall of the receiving ring 37. A metal ring is movably inserted into the receiving ring 37. An air filter plate 371 is fixedly mounted on the inner wall of the metal ring. The side of the metal ring is magnetically connected to the magnetic block. When the protective mechanism 3 operates its ventilation function, outside air passes through the air filter plate 371. The raised ring 32 enters the inner cavity of the housing 31. Through the design of the air filter plate 371, the outside air can be filtered to ensure the cleanliness of the air. The air filter plate 371 can be quickly inserted and removed from the receiving ring 37 for easy replacement or cleaning. The working pipe of the industrial chiller 13 is also pre-connected to the connector 2 35. When the industrial chiller 13 is running, it can produce circulating chilled water that flows through the inner cavity of the horizontal copper pipe 33. The air entering the housing 31 will exchange heat with the horizontal copper pipe 33, which will lower the air temperature. This can effectively alleviate the heat accumulation inside the housing 31 during operation, always ensure good cooling effect, improve the stability of the bevel gear blank mounting seat 11 and the gear grinding spindle device 12, reduce the processing errors and defects caused by high temperature, and greatly improve the precision and overall quality of the grinding and forming of large bevel gears.

[0026] In a preferred embodiment, a connecting cover 391 is fixedly connected to the side of the housing 31 away from the protruding ring 32. A bellows 38 is fixedly connected to the end of the connecting cover 391. An exhaust fan 39 is fixedly connected to the end of the bellows 38. A reinforcing leg 392 is fixedly installed on the outer wall of the bellows 38. The end of the reinforcing leg 392 away from the bellows 38 is fixedly installed on the side of the housing 31. The exhaust fan 39 is controlled to work and can pass through the bellows 38 and the connecting cover 391 to absorb and discharge the air inside the housing 31, thereby achieving the function of ventilation. Through the design of the reinforcing leg 392, the bellows 38 can be reinforced on the side of the housing 31.

[0027] In a preferred embodiment, an inner partition frame 383 is fixedly installed in the inner cavity of the air box 38, and a support strip is fixedly installed on the inner wall of the inner partition frame 383. An oil mist screen 384 is detachably connected to the side of the support strip, and a protruding strip 385 is fixedly installed at the bottom of the inner wall of the inner partition frame 383. Through the design of the oil mist screen 384, the air absorbed by the exhaust fan 39 can be pre-filtered, effectively intercepting oil mist and reducing the load on subsequent filters.

[0028] In the preferred embodiment, a HEPA filter 381 and an activated carbon filter 382 are detachably connected to the top of the air box 38. The HEPA filter 381 is designed to perform secondary filtration on the air absorbed by the exhaust fan 39, and the activated carbon filter 382 is designed to absorb odors in the air, which is beneficial to the air quality inside the workshop. Both the HEPA filter 381 and the activated carbon filter 382 can be removed and replaced at the top of the air box 38. After removing the HEPA filter 381, the oil mist filter 384 can be removed and cleaned.

[0029] Working principle: When in use, the bevel gear blank is installed at the bevel gear blank mounting seat 11, and the grinding spindle device 12 is controlled to work, which can perform grinding on the bevel gear blank. During the grinding process, the pump 22 is controlled to work, which can draw the grinding fluid inside the storage tank 21 and then deliver it to the inside of the distribution plate 26. The grinding fluid will then be sprayed from the hemispherical nozzle 263 and the pointed nozzle 264 to the grinding area. The working pipe of the industrial chiller 13 is pre-connected to the connector 213 and the working pipe of the industrial chiller 13 is also connected to the connector 35. When the industrial chiller 13 is running, it can produce circulating chilled water that flows through the inner cavity of the bent copper pipe 211. The grinding fluid inside the liquid storage tank 21 will exchange heat with the chilled water through the bent copper pipe 211, which will lower the temperature of the grinding fluid. When the industrial chiller 13 is running, it can produce circulating chilled water that flows through the inner cavity of the horizontal copper pipe 33, which controls the operation of the exhaust fan 39. Outside air will enter the interior of the housing 31 through the raised ring 32. The horizontal copper pipe 33 can use the chilled water to cool this part of the air, thereby improving the stability of the bevel gear blank mounting seat 11 and the grinding spindle device 12. The used grinding fluid is guided to the vicinity of the top center of the inclined frame 25. The used grinding fluid will fall on the top of the mesh belt 255. The liquid part will pass through the mesh belt 255 and fall into the inclined frame 25. The drive motor 251 is controlled to work, which can drive the drive roller 252 to rotate, and then drive the mesh belt 255 to move in a cycle. The mesh belt 255 can push the solid part to a higher place and discharge it. The user can collect the solid part with the help of a container.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bevel gear machining and grinding machine, comprising a machine base (1), a bevel gear blank mounting seat (11) is fixedly installed on the top of the machine base (1), and a grinding spindle device (12) is fixedly installed on the top of the machine base (1), characterized in that: An industrial chiller (13) is fixedly installed on the side of the base (1). A grinding fluid storage mechanism (2) is provided on the side of the base (1). A protective mechanism (3) is provided on the top of the base (1). The grinding fluid storage mechanism (2) is used to recycle and output the grinding fluid. The protective mechanism (3) is used to provide physical protection for the bevel gear blank mounting seat (11) and the gear grinding spindle device (12). The grinding fluid storage mechanism (2) includes a storage tank (21) and a distribution plate (26). The storage tank (21) is fixedly installed on the side of the machine base (1). A bent copper tube (211) is fixedly connected to the inner wall of the storage tank (21). A first distribution pipe (212) is fixedly connected to the outer wall of the storage tank (21). The number of the first distribution pipes (212) is set to two and they are respectively located at both ends of the bent copper tube (211). A first connector (213) is fixedly connected to the outer wall of the first distribution pipe (212). A pump (22) is fixedly installed on the outer wall of the storage tank (21). A mounting leg (261) is fixedly installed on the top of the distribution plate (26). The input end of the pump (22) extends into the inner cavity of the storage tank (21). The output end of the pump (22) is connected to the outer wall of the distribution plate (26).

2. A gear grinding machine for machining a bevel gear according to claim 1, characterized in that A rotating shaft (214) is rotatably connected to the bent copper tube (211). An internal blade (215) located in the inner cavity of the bent copper tube (211) is fixedly installed on the outer wall of the rotating shaft (214). An external blade (216) located in the inner cavity of the liquid storage tank (21) is fixedly installed on the outer wall of the rotating shaft (214). A bracket (217) is fixedly installed at the bottom of the bent copper tube (211). An arc-shaped baffle (218) is fixedly installed at the bottom of the bracket (217).

3. The grinding machine for processing large bevel gears according to claim 1, characterized in that: The top of the liquid storage tank (21) is fixedly connected to the liquid inlet cover (23), and a strip baffle (231) is fixedly installed on the inner wall of the liquid inlet cover (23). A frustum groove is opened on the top of the strip baffle (231), and a stainless steel filter cartridge (232) is movably inserted into the top of the frustum groove.

4. The grinding machine for processing large bevel gears according to claim 1, characterized in that: The top of the liquid storage tank (21) is fixedly equipped with a support leg (24), and the top of the support leg (24) is fixedly equipped with a slanted frame (25), the slanted frame (25) having an inclination angle of 5°.

5. A grinding machine for processing large bevel gears according to claim 4, characterized in that: A drive motor (251) is fixedly installed on the outer wall of the inclined frame (25). An active roller (252) and a driven roller (253) are rotatably connected in the inner cavity of the inclined frame (25). The output shaft of the drive motor (251) is fixedly connected to the end of the active roller (252). A conveyor belt (254) is sleeved on the outer wall of the active roller (252) and the driven roller (253). A mesh belt (255) is fixedly connected to the middle of the conveyor belt (254).

6. A grinding machine for processing large bevel gears according to claim 1, characterized in that: The bottom of the diverter plate (26) is fixedly connected to a gooseneck tube (262), and the number of the gooseneck tubes (262) is set to four. The bottom of the gooseneck tube (262) located in the middle is fixedly connected to a hemispherical nozzle (263), and the bottom of the remaining gooseneck tubes (262) is fixedly connected to a pointed nozzle (264).

7. A grinding machine for processing large bevel gears according to claim 1, characterized in that: The protective mechanism (3) includes a housing (31), which is fixedly installed on the top of the base (1). The mounting leg (261) is fixedly installed on the inner wall of the housing (31). A raised ring (32) is fixedly installed on the side of the housing (31). A horizontal copper tube (33) is fixedly installed on the inner wall of the raised ring (32). A fin (36) is fixedly connected to the outer wall of the horizontal copper tube (33). A diversion pipe (34) is fixedly connected to both ends of the horizontal copper tube (33). A connector (35) is fixedly connected to the outer wall of the diversion pipe (34). A receiving ring (37) is fixedly installed on the side of the raised ring (32). A magnetic block is fixedly installed on the inner wall of the receiving ring (37). A metal ring is movably inserted into the receiving ring (37). An air filter plate (371) is fixedly installed on the inner wall of the metal ring. The side of the metal ring is magnetically connected to the magnetic block.

8. A grinding machine for processing large bevel gears according to claim 7, characterized in that: A connecting cover (391) is fixedly connected to the side of the housing (31) away from the protruding ring (32). A bellows (38) is fixedly connected to the end of the connecting cover (391). An exhaust fan (39) is fixedly connected to the end of the bellows (38). A reinforcing leg (392) is fixedly installed on the outer wall of the bellows (38). The end of the reinforcing leg (392) away from the bellows (38) is fixedly installed on the side of the housing (31).

9. A grinding machine for processing large bevel gears according to claim 8, characterized in that: An inner partition frame (383) is fixedly installed in the inner cavity of the air box (38). A support strip is fixedly installed on the inner wall of the inner partition frame (383). An oil mist mesh (384) is detachably connected to the side of the support strip. A protruding strip (385) is fixedly installed at the bottom of the inner wall of the inner partition frame (383).

10. A grinding machine for processing large bevel gears according to claim 9, characterized in that: The top of the air box (38) is detachably connected to a HEPA filter (381) and the top of the air box (38) is detachably connected to an activated carbon filter (382).

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