CN113894667A - Angle grinder and using method thereof - Google Patents
Angle grinder and using method thereof Download PDFInfo
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- CN113894667A CN113894667A CN202111321848.0A CN202111321848A CN113894667A CN 113894667 A CN113894667 A CN 113894667A CN 202111321848 A CN202111321848 A CN 202111321848A CN 113894667 A CN113894667 A CN 113894667A
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- bevel gear
- groove
- angle grinder
- assembly
- rotating shaft
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000000227 grinding Methods 0.000 claims abstract description 56
- 238000003756 stirring Methods 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 238000005498 polishing Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention relates to the field of angle grinders, in particular to an angle grinder and a using method thereof, and the angle grinder comprises a shell assembly, a driving assembly, a grinding wheel assembly, a stirring assembly and an air inlet filtering assembly, wherein the driving assembly is arranged inside the shell assembly, the grinding wheel assembly is arranged below the shell assembly and is connected with the driving assembly, a fan-shaped groove is formed in the bottom of the grinding wheel, a fan-shaped extension block is arranged in the fan-shaped groove, a stirring column in the stirring assembly can drive a sixth bevel gear to rotate when being inserted into a fifth groove, the sixth bevel gear can drive a sliding block to slide inside a second groove through a screw rod when rotating, the sliding block can drive the fan-shaped extension block to slide and extend inside the fan-shaped groove when sliding inside the second groove, and the diameter of the grinding wheel can be extended after the fan-shaped extension block can extend out of the fan-shaped groove, the area that makes the wheel of polishing single can polish increases for the efficiency of polishing improves greatly.
Description
Technical Field
The invention relates to the field of angle grinders, in particular to an angle grinder and a using method thereof.
Background
An angle grinder, also called a grinder or a disc grinder, is a grinding tool used for cutting and grinding glass fiber reinforced plastics. The angle grinder is a portable electric tool for cutting and grinding glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal and stone materials. However, current angle grinder is when using, the diameter of the last grinding wheel of its angle grinder is fixed inconvenient, lead to the polisher when polishing the work piece of great area, because the diameter of its grinding wheel is little, and unable adjustment, make the area that the grinding wheel single can polish less, lead to polishing very taking time, simultaneously, because the grinding wheel of current polisher need use appurtenance to mostly when the dismouting, lead to the polisher very inconvenient when using, and the inside inlet port to the motor cooling that sets up of current polisher does not set up the structure that is used for air filtering, lead to carrying to the life that the dust polisher that contains in the inside air of polisher can make and shorten greatly.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an angle grinder and a using method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: an angle grinder comprises a shell assembly, a driving assembly, a grinding wheel assembly, a shifting assembly and an air inlet filtering assembly, wherein the driving assembly is arranged inside the shell assembly, the grinding wheel assembly is arranged below the shell assembly and is connected with the driving assembly, the shifting assembly is movably inserted into the top of the shell assembly, and the air inlet filtering assembly is arranged at one end of the shell assembly;
the shell component comprises an angle grinder shell, a transmission cavity is formed in the angle grinder shell, an air inlet hole is formed in one end, close to the air inlet filtering component, of the angle grinder shell, the air inlet hole is communicated with the transmission cavity, and an exhaust hole is formed in the inner bottom of the transmission cavity in a penetrating mode;
the driving assembly comprises a motor and a sealing plate, the motor is fixedly arranged in the transmission cavity through a fixed rack, the motor is arranged at one end, close to the air inlet, of the inner part of the transmission cavity, the output end of the motor is fixedly connected with a first rotating shaft through a coupler, the sealing plate is fixedly connected with the inner wall of the transmission cavity, one end, far away from the motor, of the first rotating shaft penetrates through the sealing plate, the first rotating shaft is rotatably connected with the sealing plate, one end, penetrating through the sealing plate, of the first rotating shaft is fixedly connected with a first bevel gear, one side of the first bevel gear is provided with a second rotating shaft, the second rotating shaft is rotatably connected with the inner wall of the transmission cavity in a one-way mode through a one-way bearing, a second bevel gear is fixedly connected to the shaft wall of the second rotating shaft, the second bevel gear is meshed with the first bevel gear, and a third bevel gear is arranged below the second bevel gear, the bottom of the third bevel gear is fixedly connected with a third rotating shaft, the other end of the third rotating shaft extends out of the angle grinder shell, and the third rotating shaft is rotatably connected with the angle grinder shell;
the grinding wheel component comprises a grinding wheel, the top of the grinding wheel is fixedly connected with a fixed sleeve, the fixed sleeve is in threaded sleeve joint with one end, extending out of the angle grinder shell, of a third rotating shaft, a plurality of sector grooves are formed in the bottom of the grinding wheel at equal intervals, sector extending blocks are connected inside the sector grooves in a sliding mode, sliding blocks are fixedly connected to the tops of the sector extending blocks, second grooves matched with the sliding blocks are formed in the inner walls of the sector grooves, the sliding blocks are connected inside the second grooves in a sliding mode, grinding coatings are sprayed on the bottom of the grinding wheel and the bottom of the sector extending blocks, third grooves are formed in the grinding wheel, elastic springs are fixedly connected to the inner tops of the third grooves, fourth bevel gears are fixedly connected to the other ends of the elastic springs, and a plurality of fifth bevel gears are arranged below the fourth bevel gears, the fifth bevel gears are meshed with the fourth bevel gears, a plurality of screw rods are fixedly connected to one sides of the fifth bevel gears, which are close to the adjacent second grooves, the other ends of the screw rods extend into the second grooves, one ends of the screw rods, which extend into the second grooves, penetrate through sliding blocks, the screw rods are in threaded connection with the sliding blocks, the inner bottom of each third groove is rotatably connected with a sixth bevel gear, the sixth bevel gears are meshed with the fifth bevel gears, a fixed block is arranged above the sixth bevel gears, the fixed block is fixedly connected with the inner walls of the third grooves, square fourth grooves are formed in the tops of the fixed blocks in a penetrating mode, square inserting blocks which are matched with the fourth grooves are fixedly connected at the bottoms of the fourth bevel gears, square fifth grooves are formed in the tops of the sixth bevel gears in a penetrating mode, and a sixth groove is formed in the inner bottom of the third groove, and the diameter of the sixth groove is larger than that of the fifth groove.
Specifically, stir the subassembly including stirring post and jacking post, stir the one end fixedly connected with jacking post of post, the diameter of jacking post is less than the diameter of stirring the post, stir the diameter of post and be less than the diameter of sixth recess, just stir post and fifth recess phase-match setting, the diameter of jacking post is less than the diameter of fourth recess.
Specifically, the filteration subassembly that admits air includes the internal thread sleeve, internal thread sleeve screw thread cup joints on the outer wall of angle grinder casing, the one end that the angle grinder casing was kept away from to the internal thread sleeve runs through and has seted up the through-hole, the telescopic inside of internal thread is provided with porous filter, just the diameter of filter is greater than the diameter of through-hole.
Specifically, the top of the angle grinder shell is provided with a first groove matched with the poking component correspondingly, and the poking component is movably inserted into the first groove.
Specifically, a rubber sleeve is sleeved on the outer wall of one end, close to the internal thread sleeve, of the angle grinder shell.
Specifically, the bottom of the angle grinder shell is fixedly connected with an arc-shaped baffle.
Specifically, a seventh groove is formed in the inner bottom of the sixth groove, and a sealing plug block is movably inserted into the seventh groove.
Specifically, stir the post and keep away from the one end fixedly connected with of jacking post and stir the piece, just stir the diameter of piece and be greater than stir the diameter of post.
A method of using an angle grinder, comprising the steps of:
the first step is as follows: the angle grinder comprises a handheld angle grinder shell and a starting switch, wherein a motor is started after the starting of the switch, the motor drives a first rotating shaft to rotate, and the first rotating shaft can simultaneously drive fan blades and a first bevel gear to rotate when rotating;
the second step is that: the fan blades can drive air inside the transmission cavity to circulate when rotating, so that outside air is filtered by the filter plate in the air inlet filtering component and then is conveyed to the inside of the transmission cavity, the air inside the transmission cavity is exhausted through the exhaust holes, and the air exhausted through the exhaust holes can blow away chips on a workpiece to be polished;
the third step: the first bevel gear can drive the third bevel gear to rotate through the meshed second bevel gear when rotating, the third bevel gear can drive the third rotating shaft to rotate when rotating, the third rotating shaft drives the polishing wheel to rotate, and the polishing wheel can polish a workpiece to be polished when rotating;
the fourth step: when the diameter of the grinding wheel needs to be adjusted, the shifting assembly is taken out from the interior of the first groove;
the fifth step: inserting the taken-out toggle assembly into the sixth groove, inserting a toggle column in the toggle assembly into the fifth groove, and jacking a square insertion block out of the fourth groove by a jacking column at the top end of the toggle column penetrating through the fourth groove;
and a sixth step: the poking block is rotated, the poking block can drive a sixth bevel gear to rotate through the poking column when rotating, the sixth bevel gear can drive a plurality of fifth bevel gears meshed with the sixth bevel gear to rotate when rotating, the fifth bevel gears can drive a screw rod to rotate when rotating, the screw rod can drive a sliding block to slide in the second groove when rotating, and the sliding block can drive a sector extending block to slide and extend in the sector groove when sliding, so that the diameter of the polishing wheel is adjusted;
the seventh step: the assembly will be stirred and extract and insert and connect to the inside of first recess, and the plug subassembly is pulling out the back, and fourth bevel gear can drive square grafting piece plug-in connection and lock in the fourth recess on the fixed block under the elastic force effect of elasticity spring for fourth bevel gear can't rotate and make fifth bevel gear can't rotate equally, thereby realizes the locking to fan-shaped extension piece.
The invention has the beneficial effects that:
(1) according to the angle grinder and the using method thereof, the sector-shaped groove is formed in the bottom of the grinding wheel, the sector-shaped extending block is arranged in the sector-shaped groove, the sixth bevel gear can be driven to rotate when the shifting column in the shifting assembly is inserted into the fifth groove, the sixth bevel gear can drive the sliding block to slide in the second groove through the screw rod when rotating, the sliding block can drive the sector-shaped extending block to slide and extend in the sector-shaped groove when sliding in the second groove, and the diameter of the grinding wheel can be extended after the sector-shaped extending block can extend out of the sector-shaped groove, so that the grinding area of the grinding wheel which can grind at one time is increased, and the grinding efficiency is greatly improved.
(2) According to the angle grinder and the using method thereof, the second bevel gear is arranged between the first bevel gear and the third bevel gear and is in one-way rotating connection with the inner wall of the transmission cavity through the one-way bearing on the second rotating shaft, so that the first bevel gear can drive the third bevel gear to rotate through the second bevel gear, but the third bevel gear cannot drive the second bevel gear to rotate, the third rotating shaft is not required to be locked by using a tool when the grinding wheel needs to be disassembled and assembled, and the angle grinder is more convenient and rapid to use.
(3) According to the angle grinder and the use method thereof, the air conveyed into the air inlet hole can be filtered by the filter plate in the air inlet filtering component through the arranged air inlet filtering component, dust and debris raised during grinding of the angle grinder can be effectively prevented from entering the transmission cavity, and the service life of the angle grinder can be effectively prolonged greatly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of an angle grinder provided by the present invention;
FIG. 2 is a schematic structural view of an angle grinder provided by the present invention in use;
FIG. 3 is an enlarged view of a portion A of FIG. 2 of an angle grinder in accordance with the present invention;
FIG. 4 is a schematic structural view of a grinding wheel in an angle grinder provided by the present invention;
FIG. 5 is a schematic view of an extended configuration of a grinding wheel of an angle grinder according to the present invention;
FIG. 6 is a schematic structural view of a striking assembly in an angle grinder according to the present invention;
FIG. 7 is a schematic view of the internal structure of an internally threaded sleeve in an angle grinder according to the present invention.
In the figure: 1. a housing assembly; 11. an angle grinder housing; 12. a first groove; 13. a rubber sleeve; 14. a transmission cavity; 15. an air inlet; 16. an arc-shaped baffle plate; 17. an exhaust hole; 2. a drive assembly; 21. fixing the frame; 22. a motor; 23. a coupling; 24. a first rotating shaft; 25. a fan blade; 26. a closing plate; 27. a first bevel gear; 28. a second rotating shaft; 29. a second bevel gear; 210. a third bevel gear; 211. a third rotating shaft; 3. a grinding wheel assembly; 31. grinding the wheel; 32. fixing the sleeve; 33. a second groove; 34. a slider; 35. a sector-shaped extension block; 36. a sector groove; 37. polishing the coating; 38. a third groove; 39. an elastic spring; 310. a fourth bevel gear; 311. a fifth bevel gear; 312. a screw rod; 313. a sixth bevel gear; 314. a fixed block; 315. a fourth groove; 316. a square plug-in block; 317. a fifth groove; 318. a sixth groove; 319. a seventh groove; 320. a sealing plug block; 4. the component is stirred; 41. shifting the column; 42. jacking the column; 43. a shifting block; 5. an intake air filtration assembly; 51. an internally threaded sleeve; 52. a through hole; 53. a filter plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the angle grinder of the present invention includes a housing assembly 1, a driving assembly 2, a grinding wheel assembly 3, a toggle assembly 4 and an air intake filtering assembly 5, wherein the driving assembly 2 is disposed inside the housing assembly 1, the grinding wheel assembly 3 is disposed below the housing assembly 1 and connected to the driving assembly 2, the toggle assembly 4 is movably inserted into the top of the housing assembly 1, and the air intake filtering assembly 5 is disposed at one end of the housing assembly 1;
the shell component 1 comprises an angle grinder shell 11, a transmission cavity 14 is formed in the angle grinder shell 11, an air inlet 15 is formed in one end, close to the air inlet filtering component 5, of the angle grinder shell 11, the air inlet 15 is communicated with the transmission cavity 14, and an exhaust hole 17 is formed in the inner bottom of the transmission cavity 14 in a penetrating mode;
the driving assembly 2 comprises a motor 22 and a closing plate 26, the motor 22 is fixedly installed inside the transmission cavity 14 through a fixed frame 21, the motor 22 is arranged at one end, close to the air inlet 15, inside the transmission cavity 14, the output end of the motor 22 is fixedly connected with a first rotating shaft 24 through a coupler 23, the closing plate 26 is fixedly connected with the inner wall of the transmission cavity 14, one end, far away from the motor 22, of the first rotating shaft 24 penetrates through the closing plate 26, the first rotating shaft 24 is rotatably connected with the closing plate 26, one end, penetrating through the closing plate 26, of the first rotating shaft 24 is fixedly connected with a first bevel gear 27, one side of the first bevel gear 27 is provided with a second rotating shaft 28, the second rotating shaft 28 is connected with the inner wall of the transmission cavity 14 in a unidirectional rotation manner through a unidirectional bearing, and a second bevel gear 29 is fixedly connected to the shaft wall of the second rotating shaft 28, the second bevel gear 29 is meshed with the first bevel gear 27, a third bevel gear 210 is arranged below the second bevel gear 29, a third rotating shaft 211 is fixedly connected to the bottom of the third bevel gear 210, the other end of the third rotating shaft 211 extends out of the angle grinder shell 11, and the third rotating shaft 211 is rotatably connected with the angle grinder shell 11;
the grinding wheel assembly 3 comprises a grinding wheel 31, a fixed sleeve 32 is fixedly connected to the top of the grinding wheel 31, the fixed sleeve 32 is in threaded sleeve joint with one end, extending out of the angle grinder shell 11, of a third rotating shaft 211, a plurality of sector grooves 36 are formed in the bottom of the grinding wheel 31 at equal intervals, sector extending blocks 35 are slidably connected to the inside of the sector grooves 36, sliding blocks 34 are fixedly connected to the top of the sector extending blocks 35, second grooves 33 matched with the sliding blocks 34 are formed in the inner walls of the sector grooves 36, the sliding blocks 34 are slidably connected to the inside of the second grooves 33, grinding coatings 37 are respectively sprayed on the bottom of the grinding wheel 31 and the bottom of the sector extending blocks 35, third grooves 38 are formed in the grinding wheel 31, elastic springs 39 are fixedly connected to the inner tops of the third grooves 38, fourth bevel gears 310 are fixedly connected to the other ends of the elastic springs 39, a plurality of fifth bevel gears 311 are arranged below the fourth bevel gear 310, the fifth bevel gears 311 are in meshed connection with the fourth bevel gears 310, one sides of the plurality of fifth bevel gears 311, which are close to the adjacent second grooves 33, are fixedly connected with lead screws 312, the other ends of the lead screws 312 extend into the second grooves 33, one ends of the lead screws 312, which extend into the second grooves 33, penetrate through sliding blocks 34, the lead screws 312 are in threaded connection with the sliding blocks 34, the inner bottom of the third grooves 38 is rotatably connected with sixth bevel gears 313, the sixth bevel gears 313 are in meshed connection with the fifth bevel gears 311, fixed blocks 314 are arranged above the sixth bevel gears 313, the fixed blocks 314 are fixedly connected with the inner walls of the third grooves 38, square fourth grooves 315 are formed in the top of the fixed blocks 314 in a penetrating manner, and square plug-in blocks 316 which are matched with the fourth grooves 315 are fixedly connected at the bottom of the fourth bevel gears 310, the square insertion block 316 is matched with the fourth groove 315, a square fifth groove 317 is formed in the top of the sixth bevel gear 313 in a penetrating manner, a sixth groove 318 is formed in the inner bottom of the third groove 38, and the diameter of the sixth groove 318 is larger than that of the fifth groove 317.
The toggle assembly 4 comprises a toggle column 41 and a jacking column 42, one end of the toggle column 41 is fixedly connected with the jacking column 42, the diameter of the jacking column 42 is smaller than that of the toggle column 41, the diameter of the toggle column 41 is smaller than that of the sixth groove 318, the toggle column 41 is matched with the fifth groove 317, the diameter of the jacking column 42 is smaller than that of the fourth groove 315, the toggle column 41 can drive the sixth bevel gear 313 to rotate in the third groove 38, and meanwhile, the jacking column 42 can jack the square plug-in block 316 out of the fourth groove 315, so that the fourth bevel gear 310 cannot lock the fifth bevel gear 311.
The air inlet filtering component 5 comprises an internal thread sleeve 51, the internal thread sleeve 51 is sleeved on the outer wall of the angle grinder shell 11 in a threaded manner, one end, far away from the angle grinder shell 11, of the internal thread sleeve 51 is penetrated through and provided with a through hole 52, a porous filter plate 53 is arranged inside the internal thread sleeve 51, the diameter of the filter plate 53 is larger than that of the through hole 52, and the filter plate 53 in the air inlet filtering component 5 can filter impurities such as dust in air entering the air inlet hole 15.
The top of angle grinder casing 11 corresponds stirs first recess 12 that subassembly 4 offered the looks adaptation, just stir the inside of subassembly 4 activity grafting at first recess 12 for stir the storage that subassembly 4 can be convenient when need not to use in the inside of first recess 12, be convenient for stir taking of subassembly 4.
The rubber sleeve 13 is sleeved on the outer wall of the angle grinder shell 11 close to one end of the internal thread sleeve 51, and the rubber sleeve 13 can effectively enable the angle grinder shell 11 to be more comfortable when being held by a hand and can weaken the vibration sense transmitted to the hand when the angle grinder shell is used.
The bottom of angle grinder casing 11 is fixedly connected with cowl 16, and cowl 16 can effectually prevent that grinding wheel 31 of angle grinder from driving the piece striking on user's hand.
The inner bottom of the sixth groove 318 is provided with a seventh groove 319, a sealing plug 320 is movably inserted into the seventh groove 319, and the sealing plug 320 can effectively prevent debris from entering the third groove 38.
Stir the one end fixedly connected with of post 41 keeping away from jacking post 42 and stir piece 43, just stir the diameter of piece 43 and be greater than stir the diameter of post 41, stir piece 43 and can make stir post 41 more convenient laborsaving when rotating.
A method of using an angle grinder, comprising the steps of:
the first step is as follows: the method comprises the steps that a hand-held angle grinder shell 11 is started, a switch is started, a motor 22 is started after the switch is started, the motor 22 drives a first rotating shaft 24 to rotate, and the first rotating shaft 24 can simultaneously drive a fan blade 25 and a first bevel gear 27 to rotate when rotating;
the second step is that: the fan blades 25 can drive the air inside the transmission cavity 14 to circulate when rotating, so that the outside air is filtered by the filter plate 53 in the air inlet filtering component 5 and then is conveyed to the inside of the transmission cavity 14, the air inside the transmission cavity 14 is exhausted from the exhaust hole 17, and the air exhausted from the exhaust hole 17 can blow away the chips on the workpiece to be polished;
the third step: the first bevel gear 27 can drive the third bevel gear 210 to rotate through the meshed second bevel gear 29 when rotating, the third bevel gear 210 can drive the third rotating shaft 211 to rotate when rotating, the third rotating shaft 211 drives the grinding wheel 31 to rotate, and the grinding wheel 31 can grind a workpiece to be ground when rotating;
the fourth step: when the diameter of grinding wheel 31 needs to be adjusted, toggle assembly 4 is taken out from the interior of first groove 12;
the fifth step: inserting the taken-out toggle assembly 4 into the sixth groove 318, inserting the toggle column 41 in the toggle assembly 4 into the fifth groove 317, and ejecting the lifting column 42 at the top end of the toggle column 41 through the fourth groove 315 to eject the square insertion block 316 out of the fourth groove 315;
and a sixth step: the poking block 43 is rotated, the poking block 43 can drive the sixth bevel gear 313 to rotate through the poking column 41 when rotating, the sixth bevel gear 313 can drive the plurality of fifth bevel gears 311 meshed with the sixth bevel gear 313 to rotate when rotating, the fifth bevel gears 311 can drive the screw rod 312 to rotate when rotating, the screw rod 312 can drive the sliding block 34 to slide in the second groove 33 when rotating, and the sliding block 34 can drive the fan-shaped extension block 35 to slide and extend in the fan-shaped groove 36 when sliding, so that the diameter of the polishing wheel 31 is adjusted;
the seventh step: will stir subassembly 4 and extract and insert and connect to the inside of first recess 12, stir subassembly 4 and after extracting, fourth bevel gear 310 can drive square plug-in block 316 and peg graft and lock in the fourth recess 315 on the fixed block 314 under the spring action of elasticity spring 39 for fourth bevel gear 310 can't rotate and make fifth bevel gear 311 likewise can't rotate, thereby realizes the locking to fan-shaped extension piece 35.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The angle grinder is characterized by comprising a shell assembly (1), a driving assembly (2), a grinding wheel assembly (3), a stirring assembly (4) and an air inlet filtering assembly (5), wherein the driving assembly (2) is arranged inside the shell assembly (1), the grinding wheel assembly (3) is arranged below the shell assembly (1) and is connected with the driving assembly (2), the stirring assembly (4) is movably inserted into the top of the shell assembly (1), and the air inlet filtering assembly (5) is arranged at one end of the shell assembly (1);
the shell component (1) comprises an angle grinder shell (11), a transmission cavity (14) is formed in the angle grinder shell (11), an air inlet hole (15) is formed in one end, close to the air inlet filtering component (5), of the angle grinder shell (11), the air inlet hole (15) is communicated with the transmission cavity (14), and an air outlet hole (17) is formed in the inner bottom of the transmission cavity (14) in a penetrating mode;
the driving assembly (2) comprises a motor (22) and a sealing plate (26), the motor (22) is fixedly installed inside the transmission cavity (14) through a fixing rack (21), the motor (22) is arranged at one end, close to the air inlet hole (15), inside the transmission cavity (14), the output end of the motor (22) is fixedly connected with a first rotating shaft (24) through a coupler (23), the sealing plate (26) is fixedly connected with the inner wall of the transmission cavity (14), one end, far away from the motor (22), of the first rotating shaft (24) penetrates through the sealing plate (26), the first rotating shaft (24) is rotatably connected with the sealing plate (26), one end, penetrating through the sealing plate (26), of the first rotating shaft (24) is fixedly connected with a first bevel gear (27), one side of the first bevel gear (27) is provided with a second rotating shaft (28), and the second rotating shaft (28) is rotatably connected with the one-way inner wall of the transmission cavity (14) through a one-way bearing, a second bevel gear (29) is fixedly connected to the shaft wall of the second rotating shaft (28), the second bevel gear (29) is in meshed connection with the first bevel gear (27), a third bevel gear (210) is arranged below the second bevel gear (29), a third rotating shaft (211) is fixedly connected to the bottom of the third bevel gear (210), the other end of the third rotating shaft (211) extends out of the angle grinder shell (11), and the third rotating shaft (211) is rotatably connected with the angle grinder shell (11);
the grinding wheel component (3) comprises a grinding wheel (31), the top of the grinding wheel (31) is fixedly connected with a fixing sleeve (32), the fixing sleeve (32) is sleeved at one end of a third rotating shaft (211) extending out of the angle grinder shell (11), a plurality of fan-shaped grooves (36) are formed in the bottom of the grinding wheel (31) at equal intervals, fan-shaped extending blocks (35) are connected to the inner portions of the fan-shaped grooves (36) in a sliding mode, sliding blocks (34) are fixedly connected with sliding blocks (34) at the tops of the fan-shaped extending blocks (35), second grooves (33) matched with the sliding blocks (34) are formed in the inner walls of the fan-shaped grooves (36), the sliding blocks (34) are connected to the inner portions of the second grooves (33) in a sliding mode, grinding coatings (37) are sprayed on the bottoms of the grinding wheel (31) and the bottoms of the fan-shaped extending blocks (35), third grooves (38) are formed in the inner portions of the grinding wheel (31), an elastic spring (39) is fixedly connected to the inner top of the third groove (38), a fourth bevel gear (310) is fixedly connected to the other end of the elastic spring (39), a plurality of fifth bevel gears (311) are arranged below the fourth bevel gear (310), the fifth bevel gears (311) are meshed with the fourth bevel gears (310), a plurality of lead screws (312) are fixedly connected to one sides of the fifth bevel gears (311) close to the adjacent second grooves (33), the other ends of the lead screws (312) extend into the second grooves (33), one ends of the lead screws (312) extending into the second grooves (33) penetrate through the sliding blocks (34), the lead screws (312) are in threaded connection with the lead screws (34), a sixth bevel gear (313) is rotatably connected to the inner bottom of the third groove (38), and the sixth bevel gears (313) are meshed with the fifth bevel gears (311), a fixed block (314) is arranged above the sixth bevel gear (313), the fixed block (314) is fixedly connected with the inner wall of the third groove (38), a square fourth groove (315) is formed in the top of the fixed block (314) in a penetrating mode, a square inserting block (316) matched with the bottom of the fourth bevel gear (310) is fixedly connected with the fourth groove (315) in a corresponding mode, the square inserting block (316) is arranged in a matching mode with the fourth groove (315), a square fifth groove (317) is formed in the top of the sixth bevel gear (313) in a penetrating mode, a sixth groove (318) is formed in the inner bottom of the third groove (38), and the diameter of the sixth groove (318) is larger than that of the fifth groove (317).
2. An angle grinder as claimed in claim 1, wherein: stir subassembly (4) including stirring post (41) and jacking post (42), stir one end fixedly connected with jacking post (42) of post (41), the diameter of jacking post (42) is less than the diameter of stirring post (41), the diameter of stirring post (41) is less than the diameter of sixth recess (318), just stir post (41) and fifth recess (317) phase-match setting, the diameter of jacking post (42) is less than the diameter of fourth recess (315).
3. An angle grinder as claimed in claim 1, wherein: the air inlet filtering component (5) comprises an internal thread sleeve (51), the internal thread sleeve (51) is sleeved on the outer wall of the angle grinder shell (11) in a threaded manner, one end, far away from the angle grinder shell (11), of the internal thread sleeve (51) is penetrated through to form a through hole (52), a porous filter plate (53) is arranged inside the internal thread sleeve (51), and the diameter of the filter plate (53) is larger than that of the through hole (52).
4. An angle grinder as claimed in claim 1, wherein: the top of the angle grinder shell (11) is provided with a first groove (12) corresponding to the poking component (4), and the poking component (4) is movably inserted in the first groove (12).
5. An angle grinder as claimed in claim 1, wherein: and a rubber sleeve (13) is sleeved on the outer wall of one end, close to the internal thread sleeve (51), of the angle grinder shell (11).
6. An angle grinder as claimed in claim 1, wherein: the bottom of the angle grinder shell (11) is fixedly connected with an arc-shaped baffle (16).
7. An angle grinder as claimed in claim 1, wherein: a seventh groove (319) is formed in the inner bottom of the sixth groove (318), and a sealing plug block (320) is movably inserted into the seventh groove (319).
8. An angle grinder as claimed in claim 1, wherein: one end, far away from the jacking column (42), of the toggle column (41) is fixedly connected with a toggle block (43), and the diameter of the toggle block (43) is larger than that of the toggle column (41).
9. A method of using an angle grinder as claimed in any one of claims 1 to 8, wherein: the method comprises the following steps:
the first step is as follows: the angle grinder comprises a handheld angle grinder shell (11), a switch is started, a motor (22) is started after the switch is started, the motor (22) drives a first rotating shaft (24) to rotate, and the first rotating shaft (24) can simultaneously drive a fan blade (25) and a first bevel gear (27) to rotate when rotating;
the second step is that: the fan blades (25) can drive air inside the transmission cavity (14) to circulate when rotating, so that outside air is filtered by the filter plate (53) in the air inlet filtering component (5) and then conveyed to the inside of the transmission cavity (14), the air inside the transmission cavity (14) is exhausted through the exhaust holes (17), and the air exhausted from the exhaust holes (17) can blow away chips on a workpiece to be polished;
the third step: the first bevel gear (27) can drive the third bevel gear (210) to rotate through the meshed second bevel gear (29) when rotating, the third bevel gear (210) can drive the third rotating shaft (211) to rotate when rotating, the third rotating shaft (211) drives the polishing wheel (31) to rotate, and the polishing wheel (31) can polish a workpiece to be polished when rotating;
the fourth step: when the diameter of the grinding wheel (31) needs to be adjusted, the toggle assembly (4) is taken out from the interior of the first groove (12);
the fifth step: inserting the taken-out toggle assembly (4) into the sixth groove (318), inserting a toggle column (41) in the toggle assembly (4) into the fifth groove (317), and jacking columns (42) at the top ends of the toggle columns (41) penetrate through the fourth groove (315) to jack the square plug-in blocks (316) out of the fourth groove (315);
and a sixth step: the rotating and shifting block (43), the shifting block (43) can drive a sixth bevel gear (313) to rotate through a shifting column (41) when rotating, the sixth bevel gear (313) can drive a plurality of fifth bevel gears (311) meshed with the sixth bevel gear to rotate when rotating, the fifth bevel gears (311) can drive a screw rod (312) to rotate when rotating, the screw rod (312) can drive a sliding block (34) to slide in the second groove (33) when rotating, and the sliding block (34) can drive a fan-shaped extension block (35) to slide and extend in the fan-shaped groove (36) when sliding, so that the diameter of the polishing wheel (31) is adjusted;
the seventh step: will stir subassembly (4) and extract and insert and connect to the inside of first recess (12), stir subassembly (4) and after extracting, fourth bevel gear (310) can drive square plug-in block (316) under the spring action of elasticity spring (39) and peg graft and lock in fourth recess (315) on fixed block (314), make fourth bevel gear (310) can't rotate and make fifth bevel gear (311) equally can't rotate, thereby realize the locking to fan-shaped extension piece (35).
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| CN113894667B (en) | 2023-08-29 |
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Effective date of registration: 20230803 Address after: 224000 South Century Avenue and West Longcheng Road, Yandu District, Yancheng City, Jiangsu Province (D) Applicant after: YANCHENG BAODING POWER TOOLS Co.,Ltd. Address before: 311400 No. 50, Chaoyang South Road, Fuyang District, Hangzhou City, Zhejiang Province Applicant before: Lin Shaozhu |
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