CN117067124B - Self-cooling grinding wheel - Google Patents
Self-cooling grinding wheel Download PDFInfo
- Publication number
- CN117067124B CN117067124B CN202311327442.2A CN202311327442A CN117067124B CN 117067124 B CN117067124 B CN 117067124B CN 202311327442 A CN202311327442 A CN 202311327442A CN 117067124 B CN117067124 B CN 117067124B
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- cooling
- pipe
- cooling liquid
- grinding wheel
- piston
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- 238000001816 cooling Methods 0.000 title claims abstract description 128
- 239000000110 cooling liquid Substances 0.000 claims abstract description 100
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 33
- 238000005192 partition Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 7
- 229910001651 emery Inorganic materials 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/10—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor with cooling provisions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention provides a self-cooling grinding wheel, which comprises a mounting main body, a fixing component and a cooling component, wherein the fixing component can fix the mounting main body on a main shaft, and after the main shaft is inserted into a fixing groove and fixed, a liquid inlet and outlet pipe is communicated with a cooling pipe, so that cooling liquid can enter the cooling pipe from the liquid inlet and outlet pipe, the cooling liquid can be conveyed to the cooling pipe after the main shaft is fixed, a cooling liquid release mechanism can enable an expansion liquid in an expansion groove to be vaporized when the temperature rises so as to enable a cooling liquid release channel to be gradually opened, the cooling liquid is sprayed out, the flow rate is increased along with the rise of the temperature, when the temperature drops, the expansion liquid is liquefied so as to enable the cooling liquid release channel to be gradually closed, the flow rate of the cooling liquid is reduced along with the fall of the temperature, therefore, the spraying flow rate of the cooling liquid is high when the temperature is low, the waste of the cooling liquid is reduced, and the cooling liquid sprayed out is blown away from a grinding wheel block through the arrangement of an air cooling mechanism so that the cooling liquid can rapidly take away heat, and the cooling effect is enhanced.
Description
Technical Field
The invention relates to the technical field of grinding wheel grinding, in particular to a self-cooling grinding wheel.
Background
Grinding wheels are a commonly used grinding tool for grinding, dressing, polishing, etc. a workpiece, but during grinding, a large amount of heat is generated due to friction between abrasive grains and the surface of the workpiece. If the temperature of the grinding wheel is too high, the abrasive particles may become soft and melt or even lose the grinding function due to the high temperature, and the temperature reduction can effectively reduce the temperature of the grinding wheel and protect the performances of the sand and the grinding wheel, so that the grinding wheel is required to be cooled to reduce the grinding temperature.
The utility model provides a can realize internal cooling's emery wheel device among the prior art that publication number is "CN209491645U" comprises handle of a knife and emery wheel, and the emery wheel is installed in the handle of a knife lower part, and the water flushing ring is installed on emery wheel upper portion, and the handle of a knife is worn out from water flushing ring central point put, is equipped with the cooling water course on the emery wheel. The water flushing ring is provided with an annular surrounding wall, the upper end of the water flushing ring is provided with a cooling liquid water inlet, the lower end of the water flushing ring is provided with a water flushing port for introducing cooling liquid into the grinding wheel, and the water flushing port is in annular division, so that the cooling liquid can be ensured to enter the center of the grinding wheel when the grinding processing is carried out, and the high temperature generated by the grinding processing of the grinding wheel is taken away.
However, the cooling liquid conveying device is always opened when the grinding wheel device capable of realizing internal cooling is used for grinding, a certain conveying speed is kept at from the beginning of grinding to flush the grinding wheel until the grinding is completed, and the cooling mode can use excessive cooling liquid to flush the grinding wheel when the temperature of the grinding wheel is low or the grinding is suspended, so that larger resource waste is caused, and the self-adaptive cooling effect cannot be realized.
Disclosure of Invention
The present invention is directed to a self-cooling grinding wheel that solves the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a self-cooling grinding wheel comprising a wheel for grinding and a spindle for rotating the wheel, the wheel comprising:
the installation main body is internally provided with a cooling cavity;
the fixing component is arranged at the top of the installation main body and is used for fixing the installation main body on the main shaft when the main shaft is inserted into the fixing component; and
the cooling assembly comprises a cooling pipe arranged in the cooling cavity, a cooling liquid release mechanism arranged on the bottom wall of the cooling cavity and extending into the cooling pipe, a cooling liquid release channel penetrating through the wall of the cooling liquid release channel and the bottom wall of the cooling cavity and an expansion groove penetrating through the wall of the cooling liquid release channel and extending into the bottom wall of the cooling cavity are arranged on the bottom wall of the cooling cavity, the cooling liquid release mechanism comprises expansion liquid, a piston I and a motion plug, when the main shaft is inserted into the fixing assembly, the cooling liquid can enter the cooling pipe to absorb heat to cool the installation main body, and when the temperature rises, the expansion liquid in the expansion groove is vaporized to push the piston I upwards to drive the motion plug to move upwards, the cooling liquid release channel is gradually opened, the cooling liquid flowing through the cooling pipe is ejected by the cooling liquid release channel and the flow rate increases along with the temperature rise, when the temperature drops, the expansion liquid is liquefied to form negative pressure to pull the piston I, the cooling liquid release channel is gradually closed, and the cooling liquid release channel is gradually reduced along with the temperature drop, and the ejection flow rate of the cooling liquid decreases.
Preferably, a grinding wheel block is arranged at the bottom of the installation main body and used for grinding along with the rotation of the main shaft.
Preferably, the fixing component comprises a fixing box arranged at the top of the installation main body, a fixing cavity is arranged in the fixing box, a partition plate arranged in the fixing cavity, a second piston arranged between the bottom wall of the fixing cavity and the partition plate, a guide pipe inserted on the second piston, a clamping block arranged at one end of the guide pipe, a third piston arranged on the guide pipe and positioned between the clamping block and the second piston, a clamping spring sleeved on the guide pipe and an unlocking rod penetrating through the bottom wall of the fixing box and connected on the second piston.
Preferably, the middle part of the fixed box is provided with a fixed groove, the end part of the cooling pipe is inserted into the side wall of the fixed box, the other end of the flow guide pipe is inserted into the cooling pipe and connected with a piston IV, the baffle is provided with a flow inlet, and the flow guide pipe is provided with a flow guide port.
Preferably, the top of the fixed box is provided with a pipe clamping assembly, the pipe clamping assembly comprises a bottom plate III arranged at the top of the fixed box, a guide rod inserted on the bottom plate III, a pipe clamping block arranged on the guide rod and a pipe clamping spring sleeved on the guide rod, the pipe clamping spring is used for driving the pipe clamping block to clamp and fixedly insert a liquid inlet pipe and a liquid outlet pipe arranged at the top of the fixed box, and the main shaft can be fixed by pulling the unlocking rod.
Preferably, a positioning groove is formed in the main shaft, after the main shaft is inserted into the fixing groove, the main shaft pushes the clamping block to enable the clamping spring to shrink until the clamping block is pressed into the positioning groove to fix the mounting main body on the main shaft, and meanwhile, the second piston moves along with the clamping block to enable the inlet covered by the second piston to be exposed and communicated with the diversion port, so that the cooling liquid can flow into the cooling pipe through the inlet.
Preferably, the bottom wall of the cooling cavity is further provided with a limiting groove penetrating through the wall of the cooling cavity and extending into the bottom wall of the cooling cavity, and the cooling liquid releasing mechanism further comprises a connecting rod, a first bottom plate arranged in the expansion groove, a piston rod inserted on the first bottom plate and connected with the first piston and the connecting rod, a return port arranged on the first bottom plate, a second bottom plate arranged in the limiting groove, a second connecting rod inserted on the second bottom plate and connected with the connecting rod, a limiting rod arranged on the second connecting rod, a limiting block inserted in the side wall of the limiting groove and a reset spring sleeved on the limiting block.
Preferably, the cooling assembly further comprises an air cooling mechanism, wherein the air cooling mechanism comprises an air inlet head arranged on the installation main body, an air outlet head arranged at the bottom of the installation main body and an air running pipe arranged in the cooling cavity and communicated with the air inlet head and the air outlet head.
Preferably, the air inlet head is used for enabling air to enter the air running pipe from the air inlet head along with the rotation of the main shaft, and then the air is sprayed out from the air outlet head to cool the grinding wheel block and blow away abrasive dust.
Preferably, when the grinding wheel block is ground, the air outlet cools the grinding wheel block, along with the grinding, the temperature of the grinding wheel block rises, the moving plug gradually opens the cooling liquid release channel, so that the cooling liquid is sprayed out, the flow of the cooling liquid increases along with the temperature rise of the grinding wheel block, meanwhile, the air flow sprayed out by the air outlet head outwards blows out the sprayed cooling liquid, so that the cooling liquid takes away heat and abrasive dust, and the limiting rod is erected on the limiting block, so that the fluctuation of the piston I is reduced.
Compared with the prior art, the invention has the beneficial effects that:
the self-cooling grinding wheel comprises a mounting main body, a fixing component and a cooling component, wherein the fixing component can fix the mounting main body on a main shaft, and after the main shaft is inserted into a fixing groove and fixed, a liquid inlet and outlet pipe is communicated with a cooling pipe, so that cooling liquid can enter the cooling pipe from the liquid inlet and outlet pipe, the cooling liquid can be conveyed to the cooling pipe only after the main shaft is fixed, the cooling component comprises a cooling liquid release mechanism and an air cooling mechanism, the cooling liquid release mechanism can enable expansion liquid in an expansion groove to be vaporized to drive a motion plug to move upwards when the temperature rises, the cooling liquid release channel is gradually opened, the cooling liquid is sprayed out and flow increases along with the rise of the temperature, when the temperature drops, the expansion liquid is liquefied to form negative pressure to pull back a piston, the cooling liquid release channel is gradually closed, the cooling liquid flow decreases along with the fall of the temperature, therefore, the spraying flow rate of the cooling liquid is large when the temperature is high, the waste of the cooling liquid is reduced, the cooling liquid is blown out through the arrangement of the air cooling mechanism to drive the cooling liquid away from a grinding wheel block, the cooling liquid rapidly takes away heat, and the cooling liquid is cooled and the cooling effect is enhanced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the area A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of the region B in FIG. 1;
FIG. 4 is a schematic view of the bottom structure of the present invention;
fig. 5 is a schematic structural view of the spindle of the present invention.
In the figure: 1. a mounting main body; 2. grinding wheel blocks; 3. a cooling tube; 4. a main shaft; 5. a cooling chamber; 6. an air inlet head; 7. an air duct; 8. an air outlet head; 9. a positioning groove; 10. clamping blocks; 11. a third piston; 12. a diversion port; 13. a second piston; 14. a flow guiding pipe; 15. a clamping spring; 16. a piston IV; 17. unlocking the rod; 18. a partition plate; 19. a fixed cavity; 20. a fixed box; 21. a guide rod; 22. a liquid inlet pipe and a liquid outlet pipe; 23. a pipe clamping block; 24. a tube clamping spring; 25. a third base plate; 26. a feed port; 27. a motion plug; 28. a connecting rod; 29. a return port; 30. a piston rod; 31. a first bottom plate; 32. a second base plate; 33. a second connecting rod; 34. a return spring; 35. a limiting block; 36. a limit rod; 37. a limit groove; 38. an expansion liquid; 39. an expansion tank; 40. a cooling liquid release channel; 41. and a first piston.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, the present invention provides a technical solution:
a self-cooling grinding wheel comprising a wheel for grinding and a spindle 4 for driving the wheel into rotation, the wheel comprising:
the installation main part 1, the box of installation main part 1 for metal material, fixed subassembly is installed at the top of installation main part 1, set up cooling chamber 5 in the installation main part 1, cooling chamber 5 is used for installing cooling subassembly, installation main part 1 bottom is equipped with grinding wheel piece 2, the bottom fixed connection of grinding wheel piece 2 and installation main part 1, grinding wheel piece 2 is that natural grit abrasive material and bonding agent preparation form the abrasive disk that the grinding was used, its structure vertical cross-section is rectangle, every two are a set of, press close to the setting, the export setting of coolant release way 40 is between two grinding wheel pieces 2, grinding wheel piece 2 is used for grinding along with main shaft 4 rotation, grinding wheel piece 2 is firmly connected grinding wheel piece 2 on installation main part 1 through bonding or screw mode.
The fixing component is arranged at the top of the installation main body 1 and is used for fixing the installation main body 1 on the main shaft 4 when the main shaft 4 is inserted into the fixing component, and the fixing component comprises a fixing box 20, a fixing cavity 19, a partition plate 18, a piston II 13, a guide pipe 14, a clamping block 10, a piston III 11, a clamping spring 15 and an unlocking rod 17; the fixed box 20 is arranged at the top of the installation main body 1 and fixedly connected with the top of the installation main body 1, the horizontal joint section of the fixed box 20 is in a shape like a Chinese character 'hui', a fixed cavity 19 is arranged in the fixed box 20, a groove at the middle part of the fixed box 20 is a fixed groove, a partition plate 18 is arranged in the fixed cavity 19 and fixedly connected with the side wall of the fixed cavity 19 for separating the fixed cavity 19, a piston II 13 is arranged between the bottom wall of the fixed cavity 19 and the partition plate 18 and movably connected with the bottom wall and the side wall of the fixed cavity 19 and the bottom wall of the partition plate 18, the piston II 13 is arranged on a guide pipe 14 and fixedly connected with the outer wall of the guide pipe 14, the piston II 13 moves between the partition plate 18 and the bottom wall of the fixed cavity 19 along with the movement of the guide pipe 14, a clamping block 10 is arranged at one end of the guide pipe 14, the guide pipe 14 is fixedly connected with the clamping block 10, the clamping block 10 stretches into the fixed groove from the inside of the fixed cavity 19, the clamping block 10 is a rectangular metal block with a slope, the slope faces upwards, the piston III 11 is arranged on the guide pipe 14 and is positioned between the clamping block 10 and the piston II 13, the piston III 11 is fixedly connected with the guide pipe 14 and is movably connected with the bottom wall and the side wall of the fixed cavity 19 and the bottom wall of the partition 18, the piston III 11 is used for preventing cooling liquid from leaking from the clamping block 10, a space through which cooling liquid can flow is formed between the piston II 13 and the piston III 11, the clamping spring 15 is sleeved on the guide pipe 14, one end of the clamping spring is fixedly connected with the side wall of the fixed cavity 19, the other end of the clamping spring is fixedly connected with the side wall of the piston II 13, the unlocking rod 17 is inserted on the side wall of the fixed cavity 19 and penetrates through the side wall of the fixed cavity 19 to be connected with the piston II 13, one end of the unlocking rod 17 positioned outside the fixed cavity 19 is provided with a bump, the device comprises an unlocking rod 17, a clamping spring 15, a bottom plate III 25, a guide rod 21, a clamping pipe block 23 and a clamping pipe spring 24, wherein the end part of the cooling pipe 3 is inserted into the side wall of a fixed box 20 and is fixedly connected with the side wall of a fixed cavity 19, the other end of the guide pipe 14 is inserted into the cooling pipe 3 and is connected with a piston IV 16, the piston IV 16 enables the guide pipe 14 to move along a channel inside the cooling pipe 3 and prevents cooling liquid from flowing out between the cooling pipe 3 and the piston IV 16, a flow inlet 26 is formed in a partition plate 18, the guide pipe 14 is provided with the flow guide port 12, the top end of the fixed box 20 is further provided with a clamping pipe assembly, the bottom plate III 25 is fixedly connected with the fixed box 20, the guide rod 21 is inserted into the bottom plate III 25, the guide rod 21 is fixedly connected with the bottom plate III 25, the clamping pipe block 23 is arranged on the guide rod 21, the clamping pipe block 23 is fixedly connected with the guide rod 21, the clamping pipe spring 24 is fixedly inserted into a liquid inlet pipe 22 at the top of the fixed box 20 by the driving the clamping pipe block 23, and the cooling liquid inlet pipe 22 is used for providing cooling liquid to flow into the cooling pipe 3 and can flow out of the fixed box 20, and the cooling liquid can be leaked out of the top of the fixed box 20 is prevented from being arranged at the top of the fixed box 20, and the top of the cooling pipe can be arranged at the top of the fixed box is provided with the cooling pipe 19; the bottom horizontal section of the main shaft 4 is square, the shape of the main shaft 4 is the same as that of the fixed groove, the positioning groove 9 is formed in the main shaft 4, after the main shaft 4 is inserted into the fixed groove, the main shaft 4 extrudes the clamping block 10, the clamping spring 15 contracts until the clamping block 10 is pressed into the positioning groove 9, the clamping spring 15 presses the clamping block 10 on the main shaft 4, so that the installation main body 1 is fixed on the main shaft 4, meanwhile, the piston II 13 is communicated with the flow inlet 26 covered by the piston II 13 along with the clamping block 10, so that cooling liquid can flow between the piston II 13 and the piston III 11 through the flow inlet 26, then flows into the flow guide pipe 14 through the flow guide 12, then flows into the cooling pipe 3 through the flow guide pipe 14, and the inclined surface on the clamping block 10 enables the main shaft 4 to be inserted into the fixed groove more easily.
The cooling assembly comprises a cooling pipe 3 arranged in the cooling cavity 5, a cooling liquid release mechanism arranged on the bottom wall of the cooling cavity 5 and extending into the cooling pipe 3, and an air cooling mechanism; the cooling liquid release mechanism is used for spraying out the cooling liquid flowing in the cooling pipe 3 when the temperature of the grinding wheel block 2 rises, and the greater the flow rate of the cooling liquid sprayed out along with the rise of the temperature, the bottom wall of the cooling cavity 5 is provided with a cooling liquid release channel 40 penetrating through the wall of the cooling pipe 3 and the bottom wall of the cooling cavity 5 and an expansion groove 39 penetrating through the wall of the cooling pipe 3 and extending into the bottom wall of the cooling cavity 5, the bottom wall of the cooling cavity 5 is also provided with a limit groove 37 penetrating through the wall of the cooling pipe 3 and extending into the bottom wall of the cooling cavity 5, and the cooling liquid release mechanism comprises an expansion liquid 38, a piston I41, a motion plug 27, a connecting rod 28, a bottom plate I31, a piston rod 30, a return port 29, a bottom plate II 32, a connecting rod II 33, a limit rod 36, a limit block 35 and a reset spring 34; the cooling tube 3 is arranged in the cooling cavity 5, the cooling tube is attached to the bottom wall of the cooling cavity 5, the top wall of the cooling cavity 5 is arranged at two ends, extends out of the cooling cavity 5 and is inserted into the side wall of the fixing cavity 19, so that cooling liquid enters the cooling tube 3 from the liquid inlet and outlet tube 22 at one end and leaves from the other end of the cooling tube 3, the liquid inlet and outlet tube 22 at the other end enters the cooling tube 3, the expansion liquid 38 is arranged in the expansion tank 39, the first piston 41 is arranged in the expansion tank 39 and is in movable connection with the wall of the expansion tank 39, the movable plug 27 is clamped in the cooling liquid release channel 40, the movable plug 27 comprises a plug bottom and a truncated cone-shaped plug body fixedly connected with the plug bottom, the plug body is arranged in the cooling liquid release channel 40, the plug bottom is clamped on the cooling liquid release channel 40, the bottom plate 31 is arranged in the expansion tank 39, the bottom plate 31 is fixedly connected with the side wall of the expansion tank 39, the piston rod 30 is inserted on the bottom plate 31 and is connected with the first piston 41 and the connecting rod 28, the piston rod 30 is in movable connection with the first piston 41 and the connecting rod 28, the bottom plate 31 is provided with the first bottom plate 32, the second bottom plate 32 is clamped in the groove 33 and is fixedly connected with the side wall of the connecting rod 33, the second side wall 33 is fixedly connected with the side wall of the limiting block 33, the limiting rod 33, the second side wall is fixedly connected with the side wall 33, the first side wall is fixedly connected with the side wall 33, the second side wall 33 is fixedly connected with the side wall 33, the side wall 33 is connected with the side wall 33, the second side 33 is fixedly; the cooling assembly also comprises an air cooling mechanism, the air cooling mechanism comprises an air inlet head 6, an air outlet head 8 and an air outlet pipe 7, the air inlet head 6 is arranged at the top of the installation main body 1 and is fixedly connected with the installation main body 1, the air outlet head 8 is arranged at the center of the bottom of the installation main body 1, the air outlet head 8 is fixedly connected with the installation main body 1, the air outlet pipe 7 is arranged in the cooling cavity 5 and is communicated with the air inlet head 6 and the air outlet head 8, the air inlet channel in the air inlet head 6 and the air outlet channel in the air outlet head 8 are communicated with the air outlet pipe 7, the air inlet channel is in a horn shape, more air can enter the air outlet pipe 7 from the air inlet channel, the air outlet head 8 and the air outlet channel are in a round table shape, the side surface of the air outlet head 8 is provided with an opening which is aligned with the grinding wheel block 2, so that the blown air can blow the grinding wheel block 2, thereby the air inlet head 6 is used for rotating along with the main shaft 4, the air inlet head 6 enters the air outlet pipe 7 and is sprayed out from the air outlet head 8, the grinding wheel block 2 is cooled, therefore, when the grinding wheel block 2 is ground, the air outlet cools the grinding wheel block 2, when the cooling force of air blown by the air cooling mechanism to the grinding wheel block 2 is insufficient, the temperature of the grinding wheel block 2 rises, as the grinding is carried out, the expansion liquid 38 in the expansion tank 39 is vaporized by the rising temperature to push the piston I41 to move upwards, so that the connecting rod 28 drives the moving plug 27 to move upwards, the cooling liquid release channel 40 is gradually opened, the cooling liquid is sprayed out, the flow of the cooling liquid is increased along with the rising temperature of the grinding wheel block 2 until the cooling liquid release channel 40 is completely opened, meanwhile, the air flow sprayed out by the air outlet head 8 is blown out, the cooling liquid absorbing heat is blown out outwards, the heat is taken away, the grinding dust is taken away along with the blowing, the limiting rod 36 is erected on the limiting block 35, when the limiting rod 36 moves, the reset spring 34 needs to be pushed to shrink, random fluctuation of the piston I41 along with temperature is reduced, the piston I41 can move when the temperature change is large, when the temperature is reduced, the expansion liquid 38 is liquefied, negative pressure is formed in the expansion groove 39, the piston I41 is pulled to move downwards, the connecting rod 28 drives the moving plug 27 to move downwards, the moving plug 27 is gradually inserted into the cooling liquid release channel 40, the discharge flow of the cooling liquid is gradually reduced until the cooling liquid release channel 40 is completely closed, and the cooling liquid stops being discharged.
Working principle: when the grinding machine is used, the main shaft 4 is inserted into the fixing groove, the clamping block 10 is used for fixing the mounting main body 1 on the main shaft 4, the liquid inlet pipe 22 and the liquid outlet pipe 22 are simultaneously inserted into the clamping pipe assemblies at the two ends of the fixing box 20, the liquid inlet pipe and the liquid outlet pipe 22 are respectively fixed by the clamping pipe assemblies, when grinding is started and the temperature of the grinding wheel block 2 is low, the grinding wheel block 2 is cooled by using blown air of the cooling pipe 3 and the air outlet head 8, when the temperature of the grinding wheel is increased, the expansion liquid 38 is gasified, the piston I41 is pushed to move upwards, so that the connecting rod 28 drives the moving plug 27 to move upwards, the cooling liquid is sprayed out, the flow of the cooling liquid is increased along with the temperature increase of the grinding wheel block 2, when the temperature is reduced, the expansion liquid 38 is liquefied, negative pressure is formed in the expansion groove 39, the piston I41 is pulled to move downwards, the connecting rod 28 drives the moving plug 27 to move downwards, the moving plug 27 is gradually inserted into the cooling liquid release channel 40, and the spraying flow of the cooling liquid is gradually reduced, and accordingly the spraying flow of the cooling liquid can change along with the temperature.
Although embodiments of the present 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 therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A self-cooling grinding wheel comprising a wheel for grinding and a spindle for driving the wheel into rotation, the wheel comprising:
the installation main body is internally provided with a cooling cavity;
the fixing component is arranged at the top of the installation main body and is used for fixing the installation main body on the main shaft when the main shaft is inserted into the fixing component; and
the cooling assembly comprises a cooling pipe arranged in the cooling cavity, a cooling liquid release mechanism arranged on the bottom wall of the cooling cavity and extending into the cooling pipe, a cooling liquid release channel penetrating through the wall of the cooling liquid release channel and the bottom wall of the cooling cavity and an expansion groove penetrating through the wall of the cooling liquid release channel and extending into the bottom wall of the cooling cavity are arranged on the bottom wall of the cooling cavity, the cooling liquid release mechanism comprises expansion liquid, a piston I and a motion plug, when the main shaft is inserted into the fixing assembly, the cooling liquid can enter the cooling pipe to absorb heat to cool the installation main body, when the temperature rises, the expansion liquid in the expansion groove sublimates to push the piston I upwards to drive the motion plug to move upwards, the cooling liquid release channel is gradually opened, the cooling liquid flowing through the cooling pipe is ejected by the cooling liquid release channel and the flow increases with the rising of the temperature, when the temperature drops, the expansion liquid is liquefied to form negative pressure to pull the piston I, the cooling liquid release channel is gradually closed, and the flow of the cooling liquid is gradually reduced with the falling of the cooling liquid.
2. A self-cooling grinding wheel according to claim 1, wherein: and the bottom of the installation main body is provided with a grinding wheel block for grinding along with the rotation of the main shaft.
3. A self-cooling grinding wheel according to claim 2, wherein: the fixing component comprises a fixing box arranged at the top of the installation main body, a fixing cavity is arranged in the fixing box, a partition plate arranged in the fixing cavity, a second piston arranged between the bottom wall of the fixing cavity and the partition plate, a guide pipe inserted on the second piston, a clamping block arranged at one end of the guide pipe, a third piston arranged on the guide pipe and positioned between the clamping block and the second piston, a clamping spring sleeved on the guide pipe and an unlocking rod penetrating through the bottom wall of the fixing box and connected to the second piston.
4. A self-cooling grinding wheel according to claim 3, wherein: the cooling device comprises a cooling pipe, a baffle, a cooling pipe, a piston, a baffle, a fixing groove, a guide hole and a guide hole.
5. A self-cooling grinding wheel according to claim 4, wherein: the top of fixed case is provided with the clamp pipe subassembly, the clamp pipe subassembly is including setting up the bottom plate III on the top of fixed case, insert establish guide bar on the bottom plate III, set up clamp pipe piece and the cover on the guide bar are established clamp pipe spring on the guide bar, clamp pipe spring is used for driving clamp pipe piece presss from both sides the fixed business turn over liquid pipe of inserting in fixed case top, pulling the unlocking lever can be released to the fixing of main shaft.
6. A self-cooling grinding wheel according to claim 5, wherein: the main shaft is provided with a positioning groove, after the main shaft is inserted into the fixing groove, the main shaft pushes the clamping block to enable the clamping spring to shrink until the clamping block is pressed into the positioning groove to fix the installation main body on the main shaft, and meanwhile, the piston II moves along with the clamping block to enable the flow inlet covered by the piston II to be exposed and communicated with the flow guide opening, so that cooling liquid can flow into the cooling pipe through the flow inlet.
7. A self-cooling grinding wheel according to claim 6, wherein: the cooling cavity cooling device comprises a cooling cavity, and is characterized in that the bottom wall of the cooling cavity is further provided with a limiting groove penetrating through the wall of the cooling cavity and extending into the bottom wall of the cooling cavity, the cooling liquid releasing mechanism further comprises a connecting rod, a first bottom plate arranged in the expansion groove, a piston rod inserted in the first bottom plate and connected with the first piston and the connecting rod, a return port arranged in the first bottom plate, a second bottom plate arranged in the limiting groove, a second connecting rod inserted in the second bottom plate and connected with the connecting rod, a limiting rod arranged in the second connecting rod, a limiting block inserted in the side wall of the limiting groove and a reset spring sleeved on the limiting block.
8. A self-cooling grinding wheel according to claim 7, wherein: the cooling assembly further comprises an air cooling mechanism, wherein the air cooling mechanism comprises an air inlet head arranged on the installation main body, an air outlet head arranged at the bottom of the installation main body and an air running pipe arranged in the cooling cavity and communicated with the air inlet head and the air outlet head.
9. A self-cooling grinding wheel according to claim 8, wherein: the air inlet head is used for enabling air to enter the air running pipe through the air inlet head along with the rotation of the main shaft, and then the air is sprayed out through the air outlet head to cool the grinding wheel block and blow away abrasive dust.
10. A self-cooling grinding wheel according to claim 9, wherein: when the grinding wheel block is ground, the air outlet head carries out air cooling and cooling on the grinding wheel block, along with the grinding, the temperature of the grinding wheel block rises, the motion plug gradually opens the cooling liquid release channel, so that cooling liquid is sprayed out, the flow of the cooling liquid increases along with the temperature rise of the grinding wheel block, meanwhile, the air flow sprayed out by the air outlet head outwards blows out the sprayed cooling liquid, so that the cooling liquid takes away heat and abrasive dust, and the limiting rod is erected on the limiting block, so that fluctuation of the piston I is reduced.
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| CN202311327442.2A CN117067124B (en) | 2023-10-13 | 2023-10-13 | Self-cooling grinding wheel |
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| CN202311327442.2A CN117067124B (en) | 2023-10-13 | 2023-10-13 | Self-cooling grinding wheel |
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| CN117067124A CN117067124A (en) | 2023-11-17 |
| CN117067124B true CN117067124B (en) | 2023-12-26 |
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| JP5628067B2 (en) * | 2011-02-25 | 2014-11-19 | 株式会社荏原製作所 | Polishing apparatus provided with temperature adjustment mechanism of polishing pad |
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| CN202251257U (en) * | 2011-09-08 | 2012-05-30 | 安徽星马汽车股份有限公司 | Adjustable cooling device for hydraulic oil of concrete pump truck |
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|---|---|
| CN117067124A (en) | 2023-11-17 |
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