Grinding machine for machining stainless steel cylinder of water pump

Abstract

The invention relates to the technical field of grinding machines, in particular to a grinding machine for machining a stainless steel cylinder of a water pump, which comprises a rack, a connecting seat, a driving cylinder, a grinding wheel, a grinding motor, a supporting roller, a supporting seat and a rotating motor, the supporting seat is slidably connected to the rack, the supporting roller is rotatably connected to the supporting seat, the rotating motor drives the supporting roller to rotate, and the connecting seat is slidably connected to the rack. The driving cylinder drives the connecting base to slide, the grinding wheel is rotationally connected to the connecting base, the rotating axis of the grinding wheel and the rotating axis of the supporting roller are obliquely arranged, and the grinding motor drives the grinding wheel to rotate. The two supporting rollers are rotationally connected to the two supporting bases correspondingly, the supporting rollers are adjusted by adjusting the relative positions of the two supporting bases so as to meet the machining requirements of workpieces with different outer diameters, and the driving cylinder drives the connecting base to slide, drives the grinding wheel to slide and grinds the outer walls of the workpieces. The rotating axis of the grinding wheel and the rotating axis of the supporting roller are obliquely arranged, the workpiece can automatically slide in the axis direction of the workpiece, and the machining efficiency of equipment is improved.

Description

Technical Field

[0001] The present application relates to the technical field of grinders, and in particular to a grinder for processing stainless steel barrels of water pumps. Background Art

[0002] A centerless cylindrical grinder is a type of grinder that does not require the axis of the workpiece to perform grinding. It mainly consists of three parts: a grinding wheel, an adjusting guide wheel, and a supporting pallet. The grinding wheel is used to grind the workpiece, the adjusting guide wheel is used to control the rotation of the workpiece, and the supporting pallet is used to support the workpiece during grinding.

[0003] The water pump housing is a hollow stainless steel cylinder. The outer wall of the water pump housing needs to be polished by a grinder to remove burrs and uneven parts on the outer wall of the water pump housing, so as to improve the surface finish of the water pump housing. Due to different signals, the outer diameter of the water pump housing is also different. When grinding the workpiece, the traditional centerless grinder needs to place the workpiece on the support plate, and then adjust the position of the grinding wheel or guide wheel to make it abut the outer wall of the workpiece, which affects the working efficiency of the equipment. Summary of the invention

[0004] In order to quickly adjust the guide wheel and the grinding wheel, enable the grinder to process workpieces with different outer diameters, and improve the working efficiency of the grinder, the present application provides a grinder for processing stainless steel barrels of water pumps.

[0005] The present application provides a grinding machine for processing a stainless steel cylinder of a water pump, which adopts the following technical solution: 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod is pivotally connected to said linking rod and said adjusting base is pivotally connected to said linking rod.

[0006] By adopting the above technical scheme, two support rollers are provided, and the two support rollers are rotatably connected to the two support seats respectively. The support rollers are adjusted by adjusting the relative position between the two support seats to meet the needs of processing workpieces with different outer diameters. The driving cylinder drives the connecting seat to slide, which drives the grinding wheel to slide, so that the grinding wheel abuts against the outer wall of the workpiece with different outer diameters to grind the outer wall of the workpiece. The rotation axis of the grinding wheel and the rotation axis of the support roller are inclinedly arranged, the rotating motor drives the support roller to rotate, and the grinding motor drives the grinding wheel to rotate, so that the workpiece automatically slides along its own axis direction, thereby improving the processing efficiency of the equipment.

[0007] Preferably, it also includes a driving rack, a driven rack, a first gear, an abutment wheel, a sliding seat, a first reset member, a driving sprocket, a driven sprocket and a chain, the driving rack is connected to the lower end of any support seat, the gear is rotatably connected to the frame, the rotation axis of the gear is vertical, the driving rack is meshed with the gear, the driven rack is connected to the lower end of another support seat, the driven rack is meshed with the gear, the number of the driven sprockets is the same as the number of support rollers and corresponds one to one, the driven sprocket is coaxially connected to the support roller, the driving sprocket is coaxially connected to the output shaft of the rotating motor, and the chain The cam is provided with a first end for receiving the first gear and a second end for receiving the first gear of the driving sprocket and the driving sprocket, and the second end for receiving the first gear is provided with a first chamfer at two ends of the sliding seat along the sliding direction of the supporting seat, and the first chamfer is located at the upper end of the sliding seat, and the first chamfer is used for contact with the abutment block.

[0008] By adopting the above technical solution, the active rack, the driven rack and the first gear are matched to achieve synchronous adjustment of the two support seats, thereby improving the convenience of using the equipment. The abutment block abuts the first chamfer, driving the abutment wheel to slide, so that the abutment wheel abuts the outer wall of the chain, so that the chain remains in a tensioned state, thereby improving the reliability of the equipment.

[0009] Preferably, a plurality of the grinding wheels are provided, the plurality of grinding wheels are distributed at intervals along the rotation axis of the support roller, and the hardness of the plurality of grinding wheels are different.

[0010] By adopting the above technical solution, multiple grinding wheels are distributed at intervals along the rotation axis of the support roller, and different grinding wheels have different hardnesses, so that the outer wall of the workpiece can be gradually polished, thereby improving processing efficiency and processing quality.

[0011] Preferably, it also includes a cleaning mechanism and a material storage box, wherein the cleaning mechanism includes a screw rod, a first driving pulley, a first driven pulley, a first belt body, a mounting seat and a scraper, the mounting seat is slidably connected to the frame, the sliding direction of the mounting seat is parallel to the rotation axis of the support roller, the scraper is connected to the mounting seat, the scraper abuts the frame, the side wall of the frame is provided with a receiving groove, the material storage box is embedded in the receiving groove, the frame is respectively provided with a feeding groove on both sides along the sliding direction of the mounting seat, the feeding groove is communicated with the receiving groove, the screw rod is rotatably connected to the frame, the rotation axis of the screw rod is parallel to the sliding direction of the mounting seat, the screw rod is threadedly connected to the mounting seat, the first driven pulley is coaxially connected to the screw rod, the first driving pulley is coaxially connected to the output shaft of the rotating motor, and the first belt body is sleeved on the outer periphery of the first driving pulley and the first driven pulley.

[0012] By adopting the above technical scheme, the first active pulley, the first driven pulley and the first drive drive the lead screw to rotate, the lead screw is threadedly connected to the mounting seat, the mounting seat is driven to slide, and the scraper is driven to slide, so that the debris produced by the grinding wheel above the frame can be pushed into the discharge chute, so as to keep the processing environment clean, reduce the time spent on stopping the machine to clean up the debris, improve work efficiency, reduce the possibility of debris entering the grinding motor and causing damage to the grinding motor, and increase the service life of the equipment. The debris falls into the storage box, which is easy to clean or recycle.

[0013] Preferably, there are two mounting seats, which are symmetrically distributed along a sliding direction perpendicular to the mounting seats, and the scraper is connected to the two mounting seats at both ends along the length direction of the scraper respectively, and the number of the screw rod and the first driven pulley is the same as the number of the mounting seats and corresponds one to one.

[0014] By adopting the above technical solution, the two ends of the scraper are connected to two mounting seats, thereby improving the sliding stability of the scraper.

[0015] Preferably, the cleaning mechanism also includes a brush roller, a second gear and a second rack, both ends of the brush roller are rotatably connected to two mounting seats, the rotation axis of the brush roller is perpendicular to the sliding direction of the mounting seat, two brush rollers are provided, the two brush rollers are symmetrically distributed along the mounting seat, the number of the second racks is the same as the number of the mounting seats and corresponds one to one, the second rack is connected to the frame, the second gear is rotatably connected to the mounting seat, the second gear is used to drive the brush roller to rotate, and the second gear is meshed with the second rack.

[0016] By adopting the above technical solution, the mounting seat slides, driving the second gear to slide, the second gear meshes with the second rack, driving the second gear to rotate, driving the brush roller to rotate, thereby cleaning the upper end of the frame. The brush roller brings out fine debris on the surface of the frame, facilitating subsequent cleaning of the scraper and improving the cleaning effect.

[0017] Preferably, the cleaning mechanism also includes an air outlet pipe, fan blades, a second driving pulley, a second driven pulley and a second belt body, wherein two ends of the air outlet pipe are respectively connected to two mounting seats, the air outlet pipe is provided with two, the two air outlet pipes are respectively located between the two brush rollers and the scraper, the air outlet pipe is provided with an air outlet, the air outlet is located on the side of the air outlet pipe away from the scraper, the mounting seat is provided with connecting holes, the number of connecting holes is the same as the number of air outlet pipes and corresponds one to one, the connecting holes are connected to the air outlet pipe, the number of fan blades is the same as the number of connecting holes and corresponds one to one, the fan blades are rotatably connected to the mounting seat, the rotation axis of the fan blades is parallel to the axial direction of the air outlet pipe, the second driven pulley is coaxially connected to the fan blade, the second driving pulley is coaxially connected to the second gear, and the belt body is sleeved on the outer periphery of the second driven pulley and the second driving pulley.

[0018] By adopting the above technical solution, the second gear rotates, and the fan blades are driven to rotate through the second active pulley, the second driven pulley and the second belt body. The fan blades blow air into the inner side of the air outlet duct through the connecting hole, and then blow it out from the air outlet, thereby further cleaning the upper end of the frame and improving the cleaning effect.

[0019] Preferably, the connecting hole is arranged to be gradually tapered along the fan rotation axis toward a side close to the air outlet pipe, and a hole wall of the connecting hole close to the air outlet pipe is flush with an inner wall of the air outlet pipe.

[0020] By adopting the above technical solution, the cross-sectional area of ​​the connecting hole gradually shrinks along the axis of the connecting hole toward the air outlet pipe, so that the pressure of the gas on the side of the connecting hole close to the air outlet pipe is greater than the pressure of the gas on the side away from the air outlet pipe, thereby increasing the intensity of air outlet from the air outlet pipe and improving the cleaning effect.

[0021] Preferably, the cleaning mechanism further comprises a sealing component, a third driven pulley, a third driving pulley, a third belt body, a driving bevel gear and a driven bevel gear, the number of the sealing components is the same as the number of connecting holes and corresponds one to one, the sealing component comprises a sealing plate, a second reset piece, a ratchet, a push block, a third reset piece, a pawl and a fourth reset piece, the mounting seat is provided with a sealing groove, the sealing groove is connected with the connecting hole, the number of the sealing grooves is the same as the number of connecting holes and corresponds one to one, the sealing plate is slidably embedded in the sealing groove, the sliding direction of the sealing plate is perpendicular to the axial direction of the connecting hole, the second reset piece is connected between the mounting seat and the sealing plate, the second reset piece makes the sealing plate have a tendency to close the connecting hole, the ratchet is rotatably connected to the mounting seat, the rotation axis of the ratchet is vertical, the push block is slidably connected to the ratchet, the sliding direction of the push block is perpendicular to the rotation axis of the ratchet, and the push block is used to abut the sealing plate to realize the connecting hole and the air outlet pipe. The third gear wheel is connected with the driving gear of the driving gear, and the third gear wheel is connected with the transmission gear of the driving gear.

[0022] By adopting the above technical solution, when the mounting seat slides to one side, the air outlet pipe between the scrapers is connected to the connecting hole, and the fan blades clean the frame through the connecting hole and the air outlet pipe. The closing plate on the other side closes the connecting hole under the action of the elastic force of the second reset member, thereby avoiding the possibility of the fan blades sucking debris through the air outlet pipe and the connecting hole, reducing the possibility of damage to the cleaning mechanism, and increasing the service life of the equipment.

[0023] In summary, the present application includes at least one of the following beneficial technical effects: 1. Two support rollers are provided, and the two support rollers are rotatably connected to the two support seats respectively. The support rollers are adjusted by adjusting the relative position between the two support seats to meet the needs of processing workpieces with different outer diameters. The driving cylinder drives the connecting seat to slide, driving the grinding wheel to slide, so that the grinding wheel abuts against the outer wall of the workpiece with different outer diameters to grind the outer wall of the workpiece. The rotation axis of the grinding wheel and the rotation axis of the support roller are inclinedly arranged. The rotating motor drives the support roller to rotate, and the grinding motor drives the grinding wheel to rotate, so that the workpiece automatically slides along its own axis direction, thereby improving the processing efficiency of the equipment; 2. The two support seats are adjusted synchronously by cooperating with the active rack, the driven rack and the first gear, thereby improving the convenience of using the equipment. The abutment block abuts against the first chamfer, driving the abutment wheel to slide, so that the abutment wheel abuts against the outer wall of the chain, so that the chain remains in a tensioned state, thereby improving the reliability of the equipment; 3. The screw is driven to rotate by the first active pulley, the first driven pulley and the first drive, and the screw is threadedly connected to the mounting seat, driving the mounting seat to slide, driving the scraper to slide, so as to push the debris produced by the grinding wheel above the frame into the discharge chute, keep the processing environment clean, reduce the time spent on stopping to clean the debris, improve work efficiency, reduce the possibility of debris entering the grinding motor and causing damage to the grinding motor, and increase the service life of the equipment. The debris falls into the storage box, which is easy to clean or recycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a cross-sectional view of a grinder used for machining stainless steel barrels of water pumps.

[0025] Figure 2 It is a structural diagram of a grinder for processing stainless steel barrels of water pumps.

[0026] Figure 3 It is a partial cross-sectional view of a grinder used for machining stainless steel barrels of water pumps, mainly showing the sliding seat.

[0027] Figure 4 It is a partial cross-sectional view of a grinder used for processing stainless steel barrels of water pumps, mainly showing the driving rack, driven rack and the first gear.

[0028] Figure 5 It is a partial cross-sectional view of a grinder used for processing stainless steel barrels of water pumps, mainly showing the grinding mechanism.

[0029] Figure 6 It is a partial cross-sectional view of a grinder used for machining stainless steel barrels of water pumps, mainly showing the mounting seat.

[0030] Figure 7 It is a partial cross-sectional view of a grinder used for processing stainless steel barrels of water pumps, mainly showing the transmission components.

[0031] Figure 8It is a partial cross-sectional view of a grinder used for processing stainless steel barrels of water pumps, mainly showing the cleaning mechanism.

[0032] Fig. 9 yes Figure 1 Enlarged view of point A in the middle.

[0033] Fig.10 yes Figure 8 Enlarged view of point B in the middle.

[0034] Fig.11 It is a partial cross-sectional view of the cleaning mechanism.

[0035] Description of reference numerals: 1. Frame; 11. Base; 111. Accommodating slot; 112. Discharging slot; 113. First boss; 1131. First adjusting slot; 1132. First connecting slot; 114. First mounting slot; 115. First slide slot; 116. Second connecting slot; 117. Second boss; 1171. Inclined surface; 1172. Third slide slot; 1173. Third connecting slot; 118. Fourth slide slot; 119. Fixed frame; 12. Cover; 121. Processing chamber; 122. Feeding port; 123. Discharging port; 124. Second slide slot; 2. Grinding mechanism; 21. Driving cylinder; 22. Connecting seat; 221. Connecting plate; 222. Rotating frame; 23. Grinding wheel; 24. Grinding motor; 3. Support mechanism; 31. Support roller; 32. Support seat; 321. Active slide seat; 322. Driven slide seat; 323. Connecting block; 324. Abutment block; 33. Rotating motor; 34. Active rack; 35. Driven rack; 36. First gear; 37. Abutment wheel; 38. Sliding seat; 381. First chamfer; 382. First convex block; 39. First reset member; 310. Active sprocket; 311. Driven sprocket; 312. Chain; 313. Screw rod; 314. Knob; 4. Cleaning mechanism; 41. Transmission assembly; 411. Screw rod; 412. First driving pulley; 413. First driven pulley; 414. First belt body; 42. Mounting seat; 421. Second convex block; 422. Sliding block; 423. Fixed seat; 4231. Connecting hole; 4232. Closed groove; 4233. Rotating chamber; 4234. Air inlet; 424. Accommodating chamber; 425. First connecting hole; 426. Separating strip; 427. Fixed plate; 428. Mounting chamber; 43. Scraper; 44. Brush roller; 441. First rotating shaft; 45. Driving assembly; 451. Second rack; 452. Second gear; 4521. Third rotating shaft; 453. second driving pulley; 454, second driven pulley; 455, second belt body; 457, third driving pulley; 458, third driven pulley; 459, third belt body; 4510, driving bevel gear; 4511, driven bevel gear; 46, air outlet assembly; 461, air outlet pipe; 4611, air outlet; 4612, partition; 462, fan blade; 4621, second rotating shaft; 47, closing assembly; 471, closing plate; 4711, connecting groove; 4712, push plate; 472, second reset member; 473, ratchet; 4731, fifth slide groove; 474, push block; 475, third reset member; 476, ratchet; 477, fourth reset member; 5. Storage box; 51. Storage cavity. DETAILED DESCRIPTION

[0036] The present application is further described in detail below in conjunction with the accompanying drawings.

[0037] Reference Figure 1 The embodiment of the present application discloses a grinding machine for processing a stainless steel barrel of a water pump, including a frame 1, the frame 1 includes a base 11 and an outer cover 12, the outer cover 12 is fixedly connected to the upper end of the base 11, a processing cavity 121 is provided on the side of the outer cover 12 close to the base 11, and a feed port 122 and a discharge port 123 are respectively provided on the cavity walls on both sides along the length direction of the base 11, the feed port 122 and the discharge port 123 are connected to the outside, and the feed port 122 and the discharge port 123 are used for allowing the workpiece to pass through.

[0038] Reference Figure 1 and Figure 2A grinding machine for processing a stainless steel barrel of a water pump also includes a support mechanism 3, which includes a support roller 31, a support seat 32, a screw 313 and a knob 314. Two support seats 32 are provided, and the two support seats 32 are symmetrically distributed along the width direction of the base 11. The support seat 32 includes an active slide 321 and a driven slide 322. The upper end of the base 11 is fixedly connected with a first boss 113, and the length direction of the first boss 113 is parallel to the width direction of the base 11. Two first bosses 113 are provided, and the two first bosses 113 are symmetrically distributed along the length direction of the base 11. The active slide 321 and the driven slide 322 are slidably connected to the upper ends of the two first bosses 113, respectively, and the sliding directions of the active slide 321 and the driven slide 322 are parallel to the length direction of the first boss 113. The number of support rollers 31 is the same as the number of sliding seats 38 and corresponds one to one. The two ends of the support rollers 31 are rotatably connected to the active sliding seat 321 and the driven sliding seat 322 respectively. The rotation axis of the support rollers 31 is parallel to the length direction of the base 11. The support rollers 31 are used to abut the outer wall of the workpiece. One end of the screw rod 313 is rotatably connected to the side of any active sliding seat 321 away from the other active sliding seat 321. The rotation axis of the screw rod 313 is parallel to the sliding direction of the active sliding seat 321. The upper end of the first boss 113 is fixedly connected to the fixing frame 119, and the screw rod 313 is threadedly connected to the fixing frame 119. The knob 314 is coaxially fixedly connected to the end of the screw rod 313 away from the active sliding seat 321.

[0039] Reference Figure 3 and Figure 4 The support mechanism 3 further includes an active rack 34, a driven rack 35 and a first gear 36. The first boss 113 is provided with a first adjustment groove 1131. The first adjustment groove 1131 is provided with a first connecting groove 1132 on the upper groove wall. The first connecting groove 1132 is connected to the outside. There are two first connecting grooves 1132. The two first connecting grooves 1132 are symmetrically distributed along the length direction of the first boss 113. The lower ends of the active slide 321 and the driven slide 322 are fixedly connected with a connecting block 323. The lower end of the connecting block 323 passes through the first connecting groove 1132 and then extends into the first adjustment groove 1131. The side wall of the connecting block 323 fits with the groove wall of the first connecting groove 1132. The active rack 34, the driven rack 35 and the first gear 36 are embedded in the first adjustment groove 1131. One end of the active rack 34 is fixedly connected to the connecting block 323 of the active sliding seat 321 connected to the screw 313. The first gear 36 is rotatably embedded in the first adjustment groove 1131. The rotation axis of the first gear 36 is vertical, and the first gear 36 is meshed with the active rack 34. One end of the driven rack 35 is fixedly connected to the connecting block 323 of another sliding seat 38. The driven rack 35 is located on the side of the first gear 36 away from the active rack 34, and the driven rack 35 is meshed with the first gear 36.

[0040] Reference Figure 2 and Figure 3 The support mechanism 3 further includes a rotating motor 33, a driving sprocket 310, a driven sprocket 311, a chain 312, an abutting wheel 37, a sliding seat 38 and a first reset member 39. The rotating motor 33 is connected to the base 11, and the rotating motor 33 is used to control the rotation of the support roller 31. In this embodiment, the base 11 is provided with a first mounting groove 114 on one side close to the driving sliding seat 321 along the length direction of the base 11, and the housing of the rotating motor 33 is embedded in the first mounting groove 114, and the output shaft of the rotating motor 33 extends out of the first mounting groove 114. The driving sprocket 310 is coaxially fixedly connected to the outer periphery of the output shaft of the rotating motor 33, the number of the driven sprockets 311 is the same as the number of the support rollers 31 and corresponds to each other, the driven sprockets 311 are coaxially fixedly connected to the outer periphery of the support roller 31, and the chain 312 is sleeved on the outer peripheries of the driving sprocket 310 and the driven sprocket 311. The base 11 is provided with a first slide groove 115 on one side close to the active slide seat 321 along the length direction of the base 11, and the first slide groove 115 is connected with the first adjustment groove 1131. The sliding seat 38 is slidably embedded in the first slide groove 115, and the sliding direction of the sliding seat 38 is vertical. The lower end of the connecting block 323 below the active slide seat 321 is fixedly connected with an abutment block 324, and the lower end of the abutment block 324 is embedded in the first slide groove 115. The sliding seat 38 is provided with first chamfers 381 at both ends along the width direction of the base 11, and the first chamfers 381 are located at the upper end of the sliding seat 38, and the first chamfers 381 are used for abutment by the abutment block 324. The first reset member 39 is connected between the sliding seat 38 and the base 11, and the first reset member 39 makes the sliding seat 38 have a tendency to approach the first adjustment groove 1131. In this embodiment, the first reset member 39 is a spring, one end of the first reset member 39 is connected to the lower end of the sliding seat 38, and the other end of the first reset member 39 is connected to the bottom of the first slide groove 115. A second connecting groove 116 is provided at a groove wall of one side of the first slide groove 115 close to the chain 312, and the second connecting groove 116 is connected to the outside. A first protrusion 382 is fixedly connected to the side wall of the sliding seat 38, and the first protrusion 382 is slidably embedded in the second connecting groove 116, and the side wall of the first protrusion 382 is in contact with the groove wall of the second connecting groove 116, and the abutting wheel 37 is rotatably connected to the end of the first protrusion 382 away from the first slide groove 115, and the abutting wheel 37 abuts against the outer wall of the chain 312.

[0041] Reference Figure 1 and Figure 5A grinding machine for processing a stainless steel barrel of a water pump also includes a grinding mechanism 2, which includes a driving cylinder 21, a connecting seat 22, a grinding wheel 23 and a grinding motor 24. A second slide groove 124 is provided at the upper cavity wall of the processing cavity 121, and the connecting seat 22 includes a connecting plate 221 and a rotating frame 222. The connecting plate 221 is slidably embedded in the second slide groove 124, and the sliding direction of the connecting plate 221 is vertical, and the side wall of the connecting plate 221 is in contact with the groove wall of the second slide groove 124. The driving cylinder 21 is connected to the outer cover 12, and the driving cylinder 21 is used to drive the connecting plate 221 to slide. In this embodiment, the driving cylinder 21 adopts a hydraulic cylinder, and the cylinder body of the driving cylinder 21 is fixedly connected to the upper end of the outer cover 12. After the piston rod of the driving cylinder 21 extends into the second slide groove 124, it is fixedly connected to the side surface of the connecting plate 221 away from the base 11. The rotating frame 222 is fixedly connected to the surface of one side of the connecting plate 221 close to the base 11. The rotating frame 222 is provided with a plurality of rotating frames 222, and the plurality of rotating frames 222 are spaced apart along the rotation axis of the supporting roller 31. In this embodiment, two rotating frames 222 are provided. The number of grinding wheels 23 and grinding motors 24 is the same as the number of rotating frames 222 and corresponds to each other. The grinding wheel 23 is rotatably connected to the rotating frame 222, and the rotation axis of the grinding wheel 23 is horizontal. The rotation axis of the grinding wheel 23 is inclined to the rotation axis of the supporting roller 31. In this embodiment, the angle between the rotation axis of the grinding wheel 23 and the rotation axis of the supporting roller 31 projected on the upper end of the base 11 is 5°. The hardness of the two grinding wheels 23 is different, and the hardness of the grinding wheel 23 on the side away from the active slide 321 is higher than the hardness of the grinding wheel 23 on the side close to the active slide 321. The grinding motor 24 is connected to the rotating frame 222, and the grinding motor 24 is used to drive the grinding wheel 23 to rotate. In this embodiment, the housing of the grinding motor 24 is fixedly connected to the rotating frame 222 , and the output shaft of the grinding motor 24 is coaxially fixedly connected to one end of the grinding wheel 23 .

[0042] Reference Figure 1 and Figure 6 The upper end of the base 11 is fixedly connected with a second boss 117, and the length direction of the second boss 117 is parallel to the length direction of the base 11. Two second bosses 117 are provided, and the two second bosses 117 are symmetrically distributed along the width direction of the base 11. The second boss 117 is embedded in the processing cavity 121, and the side wall of the second boss 117 is in contact with the cavity wall of the processing cavity 121. An inclined surface 1171 is provided at the upper end of the second boss 117, and the side of the inclined surface 1171 close to the other second boss 117 is inclined in the direction close to the base 11. The second boss 117 is provided with a third slide groove 1172, and a third connecting groove 1173 is provided at the groove wall of the third slide groove 1172 close to the other second boss 117, and the third connecting groove 1173 is connected to the processing cavity 121.

[0043] A grinding machine for processing a stainless steel cylinder of a water pump further includes a cleaning mechanism 4. The cleaning mechanism 4 includes a mounting seat 42. The number of the mounting seats 42 is the same as the number of the second bosses 117 and corresponds one to one. The mounting seats 42 are slidably located in the third slide groove 1172. The sliding direction of the mounting seat 42 is parallel to the length direction of the second boss 117. The side surface of the mounting seat 42 close to the third connecting groove 1173 is in contact with the groove wall of the third slide groove 1172. The side wall of the mounting seat 42 is fixedly connected with a second protrusion 421, and the second protrusion 421 is slidably embedded in the third connecting groove 1173. The side wall of the second protrusion 421 is in contact with the groove wall of the third connecting groove 1173. The base 11 is provided with a fourth slide groove 118, which is connected to the third slide groove 1172. A slider 422 is fixedly connected to the lower end of the mounting seat 42. The slider 422 is slidably embedded in the fourth slide groove 118. The sliding direction of the slider 422 is parallel to the sliding direction of the mounting seat 42, and the side wall of the slider 422 is in contact with the groove wall of the fourth slide groove 118.

[0044] Reference Figure 7 , the cleaning mechanism 4 also includes a transmission assembly 41. The transmission assembly 41 includes a screw rod 411, a first driving pulley 412, a first driven pulley 413 and a first belt body 414. The number of screw rods 411 and the first driven pulley 413 is the same as the number of mounting seats 42 and corresponds to each other. The screw rod 411 is rotatably embedded in the fourth slide groove 118, and the rotation axis of the screw rod 411 is parallel to the sliding direction of the slider 422. In this embodiment, the screw rod 411 adopts a reciprocating screw rod. The screw rod 411 is threadedly connected to the slider 422, and the end of the screw rod 411 close to the rotating motor 33 extends out of the base 11. The first driven pulley 413 is coaxially fixedly connected to the outer periphery of the end of the screw rod 411 close to the rotating motor 33, the first driving pulley 412 is coaxially fixedly connected to the outer periphery of the output shaft of the rotating motor 33, and the first belt body 414 is sleeved on the outer periphery of the first driven pulley 413 and the first driving pulley 412.

[0045] Reference Figure 1 and Figure 6 A grinding machine for processing a stainless steel barrel of a water pump also includes a material storage box 5. The cleaning mechanism 4 also includes a scraper 43, the length direction of the scraper 43 is parallel to the width direction of the base 11, and the two ends of the scraper 43 along the length direction of the scraper 43 are respectively fixedly connected to the two second protrusions 421, and the lower end of the scraper 43 abuts the upper end of the base 11. The upper end of the base 11 is provided with a material discharge trough 112 on both sides along the length direction of the base 11, and the lower end of the base 11 is provided with a receiving groove 111, which is connected to the material discharge trough 112, and one side of the receiving groove 111 along the width direction of the base 11 passes through the base 11. The material storage box 5 is embedded in the receiving groove 111, and the side wall of the material storage box 5 is in contact with the groove wall of the receiving groove 111. The upper end of the material storage box 5 is provided with a storage cavity 51, and the storage cavity 51 is connected to the material discharge trough 112.

[0046] Reference Figure 8 and Fig. 9 The cleaning mechanism 4 also includes a brush roller 44 and an air outlet assembly 46. The two ends of the brush roller 44 are rotatably connected to the two second protrusions 421, the rotation axis of the brush roller 44 is parallel to the width direction of the base 11, and the outer wall of the brush roller 44 is used to abut the upper end of the base 11. There are two brush rollers 44, and the two brush rollers 44 are symmetrically distributed along the sliding direction of the mounting seat 42. The air outlet assembly 46 includes an air outlet pipe 461, the two ends of the air outlet pipe 461 are fixedly connected to the two second protrusions 421, the axis of the air outlet pipe 461 is parallel to the rotation axis of the brush roller 44, and there are two air outlet pipes 461, which are respectively located between the two brush rollers 44 and the scraper 43. The air outlet 461 is located at the outer wall of the air outlet pipe 461. The air outlet 4611 connects the inner and outer sides of the air outlet pipe 461, and the air outlet 4611 is located on the side of the air outlet pipe 461 away from the scraper 43. A partition plate 4612 is fixedly connected to the inner wall of the air outlet pipe 461 , and the partition plate 4612 divides the inner side of the air outlet pipe 461 into two equal chambers.

[0047] Reference Figure 8 and Fig.10 The mounting seat 42 is provided with a receiving cavity 424. A first connecting hole 425 is provided at a cavity wall on one side of the receiving cavity 424 close to the air outlet pipe 461. The number of the first connecting holes 425 is the same as the number of the air outlet pipe 461 and corresponds one to one. The hole wall of the first connecting hole 425 is flush with the inner wall of the air outlet pipe 461. A fixing seat 423 is fixedly connected to a groove wall on one side of the receiving cavity 424 close to the air outlet pipe 461. The number of the fixing seat 423 is the same as the number of the first connecting holes 425 and corresponds one to one. The fixing seat 423 is provided with a rotating cavity 4233. The axis of the rotating cavity 4233 coincides with the axis of the first connecting hole 425. A plurality of air inlets 4234 are provided at a cavity wall on one side of the rotating cavity 4233 away from the air outlet pipe 461. The air inlets 4234 connect the rotating cavity 4233 and the receiving cavity 424. The plurality of air inlets 4234 are evenly distributed circumferentially around the axis of the rotating cavity 4233. In this embodiment, eight air inlets 4234 are provided. A connecting hole 4231 is coaxially provided at the cavity wall of the rotating cavity 4233 on one side close to the air outlet pipe 461. The connecting hole 4231 is connected to the first connecting hole 425. The connecting hole 4231 is gradually tapered along the axis of the connecting hole 4231 toward the side close to the air outlet pipe 461. The hole wall of the connecting hole 4231 on the side close to the air outlet pipe 461 is flush with the hole wall of the first connecting hole 425, and the hole wall on the other side of the connecting hole 4231 is flush with the cavity wall of the rotating cavity 4233.

[0048] The cleaning mechanism 4 also includes a driving assembly 45, the number of which is the same as the number of the mounting seats 42 and corresponds one to one. The brush roller 44 is coaxially fixedly connected with a first rotating shaft 441, and the first rotating shaft 441 extends into the accommodating chamber 424. The air outlet assembly 46 also includes a fan blade 462, the number of which is the same as the number of the mounting seats 423 and corresponds one to one, and the fan blade 462 coaxially rotates and is embedded in the rotating chamber 4233. The fan blade 462 is coaxially fixedly connected with a second rotating shaft 4621, and the second rotating shaft 4621 penetrates through the cavity wall of the rotating chamber 4233 and extends into the accommodating chamber 424. The driving assembly 45 includes a second rack 451, a second gear 452, a second driving pulley 453, a second driven pulley 454 and a second belt body 455. The second rack 451 and the second gear 452 are embedded in the third slide groove 1172, the lower end of the second rack 451 is fixedly connected to the lower groove wall of the third slide groove 1172, the second rack 451 is located on the side of the mounting seat 42 away from the second protrusion 421, and the length direction of the second rack 451 is parallel to the sliding direction of the mounting seat 42. The second gear 452 is rotatably connected to the mounting seat 42, the rotation axis of the second gear 452 is parallel to the width direction of the base 11, the second gear 452 is meshed with the second gear 452, and the second gear 452 is coaxially fixedly connected with the third rotating shaft 4521, and the third rotating shaft 4521 extends into the accommodating cavity 424. The second driving pulley 453 is coaxially fixedly connected to the outer periphery of the third rotating shaft 4521, the number of the second driven pulleys 454 is the same as the number of the first rotating shaft 441 and the second rotating shaft 4621 and corresponds one to one, the second driven pulley 454 is coaxially fixedly connected to the outer periphery of the first rotating shaft 441 and the second rotating shaft 4621, and the second belt body 455 is sleeved on the outer periphery of the second driving pulley 453 and the second driven pulley 454.

[0049] The cleaning mechanism 4 also includes a closing component 47, the number of which is the same as the number of the fixed seat 423 and corresponds one to one, and the closing component 47 includes a closing plate 471. A closing groove 4232 is provided at one end of the fixed seat 423 close to the air outlet pipe 461, and the closing groove 4232 is connected to the connecting hole 4231, and the side of the closing groove 4232 away from the third rotating shaft 4521 passes through the fixed seat 423. A plurality of dividing bars 426 are fixedly connected to the inner wall of the first connecting hole 425. The plurality of dividing bars 426 are spaced apart along the sliding direction of the mounting seat 42. In this embodiment, nine dividing bars 426 are provided, and the nine dividing bars 426 are evenly distributed along the sliding direction of the mounting seat 42. The closing plate 471 is provided with a connecting groove 4711, and the connecting groove 4711 is used to communicate with the gap between two dividing bars 426, and eight connecting grooves 4711 are provided.

[0050] Reference Fig.10 and Fig.11, the closing assembly 47 includes a second reset member 472, a ratchet 473, a push block 474 and a third reset member 475. A push plate 4712 is fixedly connected to the side of the closing plate 471 away from the first connection hole 425, and a fixed plate 427 is fixedly connected to the wall of the accommodating chamber 424. The number of fixed plates 427 is the same as the number of push plates 4712 and corresponds one to one. The second reset member 472 is connected between the push plate 4712 and the fixed plate 427. The second reset member 472 makes the closing plate 471 have a tendency to close the connecting groove 4711, and the connecting groove 4711 corresponds to the dividing strip 426. In this embodiment, the second reset member 472 adopts a spring, one end of the second reset member 472 is connected to a side surface of the push plate 4712 away from the fixed seat 423, and the other end of the second reset member 472 is connected to a side surface of the fixed plate 427 close to the push plate 4712. There are three second reset members 472, and the three second reset members 472 are evenly distributed along the width direction of the base 11. The ratchet 473 is rotatably embedded in the accommodating cavity 424, the rotation axis of the ratchet 473 is vertical, and a plurality of fifth slide grooves 4731 are arranged on the outer periphery of the ratchet 473, and the plurality of fifth slide grooves 4731 are spaced apart around the rotation axis of the ratchet 473. In this embodiment, twelve fifth slide grooves 4731 are arranged. The number of push blocks 474 and third reset members 475 is the same as the number of fifth slide grooves 4731 and corresponds to each other. The push block 474 is slidably embedded in the fifth slide groove 4731, and the sliding direction of the push block 474 is perpendicular to the rotation axis of the ratchet 473. The end of the push block 474 away from the fifth slide groove 4731 is used to abut against the side surface of the push plate 4712 away from the fixed plate 427. The third reset member 475 is connected between the push block 474 and the ratchet 473, and the third reset member 475 makes the end of the push block 474 away from the bottom of the fifth slide groove 4731 have a tendency to be embedded in the fifth slide groove 4731. In this embodiment, the third reset member 475 is a spring, one end of the third reset member 475 is connected to one end of the push block 474 close to the bottom of the fifth slide groove 4731 , and the other end of the third reset member 475 is connected to the bottom of the fifth slide groove 4731 .

[0051] The driving assembly 45 further includes a driving bevel gear 4510, a driven bevel gear 4511, a third driving pulley 457, a third driven pulley 458 and a third belt body 459. The driving bevel gear 4510 is coaxially fixedly connected to the outer periphery of the third rotating shaft 4521, and the driven bevel gear 4511 is rotatably embedded in the accommodating cavity 424. The rotation axis of the driven bevel gear 4511 is parallel to the rotation axis of the ratchet 473. The driven bevel gear 4511 is meshed with the driving bevel gear 4510, and the driven bevel gear 4511 is located below the driving bevel gear 4510. An installation cavity 428 is provided at the lower cavity wall of the accommodating cavity 424, and the third driving pulley 457 is coaxially fixedly connected to the lower end of the driven bevel gear 4511, and the third driving pulley 457 is embedded in the installation cavity 428. The number of the third driven pulleys 458 is the same as the number of the ratchet wheels 473 and they correspond one to one. The third driven pulleys 458 are rotatably embedded in the mounting cavity 428, and the rotation axis of the third driven pulley 458 coincides with the rotation axis of the ratchet wheel 473. The closing assembly 47 also includes a pawl 476 and a fourth reset member 477. One end of the pawl 476 is rotatably connected to the third driven pulley 458, and the rotation axis of the pawl 476 is parallel to and does not coincide with the rotation axis of the third driven pulley 458. The other end of the pawl 476 is used to be embedded in the slot inside the ratchet wheel 473. The fourth reset member 477 is connected between the pawl 476 and the third driven pulley 458, and the fourth reset member 477 makes the pawl 476 have a tendency to be embedded in the slot inside the ratchet wheel 473. In this embodiment, the fourth restoring member 477 is a spring sheet, one end of the fourth restoring member 477 is fixedly connected to the third driven pulley 458 , and the other end of the fourth restoring member 477 abuts against the pawl 476 .

[0052] The implementation principle of the grinding machine for processing the stainless steel barrel of a water pump in the embodiment of the present application is as follows: the staff rotates the knob 314 to drive the screw 313 to rotate, and the screw 313 is threadedly connected to the fixed frame 119 to realize the sliding of the screw 313 along the length direction of the screw 313, driving the active slide 321 to slide, driving the support roller 31 to slide, driving the active rack 34 to slide, driving the first gear 36 to rotate, driving the driven rack 35 to slide, driving another active slide 321 to slide, driving another support roller 31 to slide, and realizing the adjustment of the spacing between the two support rollers 31 to adapt to workpieces with different outer diameters. The abutment block 324 abuts the first chamfer 381, pushes the sliding seat 38 to slide, drives the abutment wheel 37 to slide, so that the abutment block 324 abuts the chain 312 to achieve the tensioning of the chain 312.

[0053] The piston rod of the driving cylinder 21 extends, driving the connecting plate 221 to move downward, driving the rotating frame 222 to move downward, driving the grinding wheel 23 to move downward, and the grinding motor 24 works, driving the grinding wheel 23 to rotate, so as to grind the outer wall of the workpiece. The rotating motor 33 works, driving the driving sprocket 310 to move actively, driving the driven sprocket 311 to move actively through the chain 312, and driving the support roller 31 to rotate, so as to achieve grinding of the workpiece while sliding along the rotation axis direction of the support roller 31.

[0054] The rotating motor 33 drives the first active pulley 412 to rotate, and drives the first driven pulley 413 to rotate through the first belt body 414, drives the screw rod 411 to rotate, the screw rod 411 is threadedly connected to the slider 422, drives the mounting seat 42 to slide, drives the second gear 452 to rotate, the second gear 452 is meshed with the second rack 451, the second gear 452 rotates, drives the second active pulley 453 to actively drive the second driven pulley 454 to rotate through the second belt body 455, drives the brush roller 44 to rotate, and cleans the upper end of the base 11. The fan blade 462 is driven to rotate, and the active bevel gear 4510 and the driven bevel gear 4511 are meshed, and the third active pulley 457 is driven to rotate, and the third driven pulley 458 is driven to rotate through the third belt body 459, and the ratchet 473 located on the side before the partition 4612 along the sliding direction of the mounting seat 42 is driven to rotate. The push block 474 is subjected to the centrifugal force, overcomes the elastic force of the third reset member 475 and extends out of the fifth slide slot 4731, and pushes the push plate 4712 to overcome the second reset member 472 and push the push block 474 to slide, so that the connection slot 4711 is connected with the gap between the adjacent connection partition strips 426, and the air in the fan driving rotation chamber 4233 enters the inner side of the air outlet pipe 461 through the connecting hole 4231 and the first connecting hole 425, and then blows out through the air outlet 4611, so as to clean the base 11. The scraper 43 pushes the debris on the upper end of the base 11 into the lower chute 112, and drops it into the storage chamber 51 for collection.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. Grinding machine for processing stainless steel cylinder of water pump, characterized by: The invention comprises a frame (1), a connecting seat (22), a driving cylinder (21), a grinding wheel (23), a grinding motor (24), a supporting roller (31), a supporting seat (32) and a rotating motor (33); the supporting seat (32) is slidably connected to the frame (1); the sliding direction of the supporting seat (32) is horizontal; two supporting seats (32) are provided; the two supporting seats (32) are symmetrically distributed along the sliding direction of the supporting seat (32); the number of the supporting rollers (31) is the same as the number of the supporting seats (32) and corresponds to each other one by one; the supporting roller (31) is rotatably connected to the supporting seat (32); the rotation axis of the supporting roller (31) is perpendicular to the sliding direction of the supporting seat (32); the rotating motor (33) is provided with a plurality of supporting rollers (31); the plurality of supporting rollers (31) are ... The machine (33) is connected to the frame (1); the rotating motor (33) is used to drive the supporting roller (31) to rotate; the connecting seat (22) is slidably connected to the frame (1); the sliding direction of the connecting seat (22) is vertical; the driving cylinder (21) is connected to the frame (1); the driving cylinder (21) is used to drive the connecting seat (22) to slide; the grinding wheel (23) is rotatably connected to the connecting seat (22); the rotation axis of the grinding wheel (23) is horizontal; the rotation axis of the grinding wheel (23) is inclined to the rotation axis of the supporting roller (31); the grinding motor (24) is connected to the connecting seat (22); the grinding motor (24) is used to drive the grinding wheel (23) to rotate.

2. The grinding machine for processing the stainless steel barrel of a water pump according to claim 1, characterized in that: The machine also comprises a driving rack (34), a driven rack (35), a first gear (36), an abutting wheel (37), a sliding seat (38), a first reset member (39), a driving sprocket (310), a driven sprocket (311) and a chain (312); the driving rack (34) is connected to the lower end of any support seat (32); the gear is rotatably connected to the frame (1); the rotation axis of the gear is vertical; the driving rack (34) is meshed with the gear; the driven rack (35) is connected to the lower end of another support seat (32); the driven rack (35) is meshed with the gear; the number of the driven sprockets (311) is the same as the number of the support rollers (31) and corresponds to each other; the driven sprocket (311) is coaxially connected to the support roller (31); the driving sprocket (310) is coaxially connected to the output shaft of the rotating motor (33); the chain (312) is sleeved on the driven sprocket (311); 11) and the outer periphery of the driving sprocket (310); the sliding seat (38) is slidably connected to the frame (1); the sliding direction of the sliding seat (38) is vertical; the abutment wheel (37) is rotatably connected to the sliding seat (38); the rotation axis of the abutment wheel (37) is parallel to the rotation axis of the support roller (31); the abutment wheel (37) is pressed against the outer wall of the chain (312); the first reset member (39) is connected between the sliding seat (38) and the frame (1); the lower end of the support seat (32) is connected with an abutment block (324); the first reset member (39) makes the abutment wheel (37) have a tendency to move away from the chain (312); the sliding seat (38) is provided with first chamfers (381) at both ends along the sliding direction of the support seat (32); the first chamfer (381) is located at the upper end of the sliding seat (38); the first chamfer (381) is used for abutment by the abutment block (324).

3. The grinding machine for processing the stainless steel barrel of a water pump according to claim 1, characterized in that: A plurality of the grinding wheels (23) are provided; the plurality of grinding wheels (23) are distributed at intervals along the rotation axis of the support roller (31); and the hardness of the plurality of grinding wheels (23) is different.

4. The grinding machine for processing the stainless steel barrel of a water pump according to claim 1, characterized in that: The machine also comprises a cleaning mechanism (4) and a material storage box (5); the cleaning mechanism (4) comprises a screw rod (411), a first driving pulley (412), a first driven pulley (413), a first belt body (414), a mounting seat (42) and a scraper (43); the mounting seat (42) is slidably connected to the frame (1); the sliding direction of the mounting seat (42) is parallel to the rotation axis of the support roller (31); the scraper (43) is connected to the mounting seat (42); the scraper (43) abuts against the frame (1); a side wall of the frame (1) is provided with a receiving groove (111); the material storage box (5) is embedded in the receiving groove (111); the frame (1) is provided with a receiving groove (111); the side wall of the frame (1) is provided with a receiving groove (111); the material storage box (5) is embedded in the receiving groove (111); the frame (1) is provided with a receiving groove (111); the side wall of the frame (1) is provided with a receiving groove (111); the material storage box (5) is embedded in the receiving groove (111); the side wall of ... A material discharge groove (112) is provided on both sides of the mounting seat (42) in the sliding direction; the material discharge groove (112) is communicated with the accommodating groove (111); the screw rod (411) is rotatably connected to the frame (1); the rotation axis of the screw rod (411) is parallel to the sliding direction of the mounting seat (42); the screw rod (411) is threadedly connected to the mounting seat (42); the first driven pulley (413) is coaxially connected to the screw rod (411); the first driving pulley (412) is coaxially connected to the output shaft of the rotating motor (33); and the first belt body (414) is sleeved on the outer circumference of the first driving pulley (412) and the first driven pulley (413).

5. The grinding machine for processing the stainless steel barrel of a water pump according to claim 4, characterized in that: Two mounting seats (42) are provided; the two mounting seats (42) are symmetrically distributed along a sliding direction perpendicular to the mounting seats (42); the two ends of the scraper (43) along the length direction of the scraper (43) are respectively connected to the two mounting seats (42); the number of the screw rods (411) and the first driven pulleys (413) is the same as the number of the mounting seats (42) and corresponds one to one.

6. The grinding machine for processing the stainless steel barrel of a water pump according to claim 5, characterized in that: The cleaning mechanism (4) further comprises a brush roller (44), a second gear (452) and a second rack (451); the two ends of the brush roller (44) are rotatably connected to the two mounting seats (42); the rotation axis of the brush roller (44) is perpendicular to the sliding direction of the mounting seat (42); two brush rollers (44) are provided; the two brush rollers (44) are symmetrically distributed along the mounting seat (42); the number of the second racks (451) is the same as the number of the mounting seats (42) and corresponds one to one; the second rack (451) is connected to the frame (1); the second gear (452) is rotatably connected to the mounting seat (42); the second gear (452) is used to drive the brush roller (44) to rotate; the second gear (452) is meshed with the second rack (451).

7. The grinding machine for processing the stainless steel barrel of a water pump according to claim 6, characterized in that: The cleaning mechanism (4) further comprises an air outlet pipe (461), a fan blade (462), a second active pulley (453), a second driven pulley (454) and a second belt body (455); the two ends of the air outlet pipe (461) are respectively connected to two mounting seats (42); two air outlet pipes (461) are provided; the two air outlet pipes (461) are respectively located between the two brush rollers (44) and the scraper (43); the air outlet pipe (461) is provided with an air outlet (4611); the air outlet (4611) is located on a side of the air outlet pipe (461) away from the scraper (43); the mounting seat (42) is provided with a connecting hole (4231); the connecting hole The number of the fan blades (462) is the same as the number of the air outlet pipes (461) and corresponds one to one; the connecting holes (4231) are connected to the air outlet pipes (461); the number of the fan blades (462) is the same as the number of the connecting holes (4231) and corresponds one to one; the fan blades (462) are rotatably connected to the mounting seat (42); the rotation axis of the fan blades (462) is parallel to the axial direction of the air outlet pipe (461); the second driven pulley (454) is coaxially connected to the fan blades (462); the second driving pulley (453) is coaxially connected to the second gear (452); and the belt body is sleeved on the outer periphery of the second driven pulley (454) and the second driving pulley (453).

8. The grinding machine for processing the stainless steel barrel of a water pump according to claim 7, characterized in that: The connecting hole (4231) is arranged to be gradually tapered along the fan rotation axis toward a side close to the air outlet pipe (461); the hole wall of the connecting hole (4231) close to the air outlet pipe (461) is flush with the inner wall of the air outlet pipe (461).

9. The grinding machine for processing the stainless steel barrel of a water pump according to claim 7, characterized in that: The cleaning mechanism (4) further comprises a closing assembly (47), a third driven pulley (458), a third driving pulley (457), a third belt body (459), a driving bevel gear (4510) and a driven bevel gear (4511); the number of the closing assemblies (47) is the same as the number of the communicating holes (4231) and corresponds one to one; the closing assembly (47) comprises a closing plate (471), a second reset member (472), a ratchet (473), a push block (474), a third reset member (475), a ratchet pawl (476) and a fourth reset member (477); the mounting seat (42) is provided with a closing groove (4232); the closing groove (4232) is connected to the communicating hole (4231); the closing groove (4232) The number of the connecting holes (4231) is the same as that of the connecting holes (4231) and corresponds to each other one by one; the closing plate (471) is slidably embedded in the closing groove (4232); the sliding direction of the closing plate (471) is perpendicular to the axial direction of the connecting hole (4231); the second reset member (472) is connected between the mounting seat (42) and the closing plate (471); the second reset member (472) enables the closing plate (471) to have a tendency to close the connecting hole (4231); the ratchet (473) is rotatably connected to the mounting seat (42); the rotation axis of the ratchet (473) is vertical; the push block (474) is slidably connected to the ratchet (473); the sliding direction of the push block (474) is perpendicular to the rotation axis of the ratchet (473); the The push block (474) is used to abut against the closing plate (471) to achieve communication between the communication hole (4231) and the air outlet pipe (461); the fourth reset member (477) is connected between the push block (474) and the ratchet (473); the fourth reset member (477) causes the push block (474) to have a tendency to approach the rotation axis of the ratchet (473); the active bevel gear (4510) is coaxially connected to the second gear (452); the driven bevel gear (4511) is rotationally connected to the mounting seat (42); the rotation axis of the driven bevel gear (4511) is parallel to the rotation axis of the ratchet (473); the driven bevel gear (4511) is meshed with the active bevel gear (4510); the third active pulley (457) The third driven pulley (458) is coaxially connected to the driven bevel gear (4511); the third driven pulley (458) is rotatably connected to the mounting seat (42); the number of the third driven pulleys (458) is the same as the number of the ratchet wheels (473) and corresponds to each other; the rotation axis of the third driven pulley (458) coincides with the rotation axis of the ratchet wheel (473); the third belt body (459) is sleeved on the outer circumference of the third driving pulley (457) and the third driven pulley (458); one end of the pawl (476) is rotatably connected to the third driven pulley (458); the other end of the pawl (476) is used to be embedded in a slot on the inner side of the ratchet wheel (473); the third reset member (475) is connected between the pawl (476) and the third driven pulley (458);The third reset member (475) enables the pawl (476) to have a tendency to be embedded in the inner slot of the ratchet wheel (473).

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