CN113894667B - Angle grinder and application method thereof - Google Patents
Angle grinder and application method thereof Download PDFInfo
- Publication number
- CN113894667B CN113894667B CN202111321848.0A CN202111321848A CN113894667B CN 113894667 B CN113894667 B CN 113894667B CN 202111321848 A CN202111321848 A CN 202111321848A CN 113894667 B CN113894667 B CN 113894667B
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- bevel gear
- groove
- angle grinder
- stirring
- component
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000000227 grinding Methods 0.000 claims abstract description 70
- 238000003756 stirring Methods 0.000 claims abstract description 65
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 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 11
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 239000011799 hole material Substances 0.000 description 21
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 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
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003365 glass fiber Substances 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
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
-
- 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
-
- 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
Abstract
The invention relates to the field of angle grinders, in particular to an angle grinder and a use method thereof, the angle grinder comprises a shell component, a driving component, a grinding wheel component, a stirring component and an air inlet filtering component, wherein the driving component is arranged in the shell component, the grinding wheel component is arranged below the shell component and is connected with the driving component, a fan-shaped extending block is arranged in the fan-shaped groove through a fan-shaped groove formed in the bottom of a grinding wheel, when a stirring column in the stirring component is inserted into the fifth groove, the stirring column can drive a sixth bevel gear to rotate, when the stirring column in the stirring component rotates, the sixth bevel gear can drive a sliding block to slide in the second groove through a screw rod, when the sliding block slides in the second groove, the fan-shaped extending block can drive the fan-shaped extending block to slide in the fan-shaped groove, and when the fan-shaped extending block can extend out of the fan-shaped groove, the diameter of the grinding wheel can be extended, so that the area of grinding wheel which can be ground for one time is increased, and the grinding efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of angle grinders, in particular to an angle grinder and a using method thereof.
Background
The angle grinder is also called a grinder or a disc grinder, and is a grinding tool for cutting and grinding glass fiber reinforced plastics. The angle grinder is a portable electric tool for cutting and polishing glass fibre reinforced plastic, and is mainly used for cutting, grinding and brushing metal and stone material. However, the diameter of the grinding wheel on the angle grinder is fixed inconvenient when the angle grinder is used, so that the grinding machine is small in diameter of the grinding wheel and cannot be adjusted when the workpiece with a larger area is ground, the grinding wheel can be ground for a single time, the grinding is extremely time-consuming, meanwhile, the grinding wheel of the existing grinding machine is mostly required to be used for assisting an auxiliary tool in disassembly and assembly, the grinding machine is extremely inconvenient in use, and a structure for filtering air is not arranged on an air inlet hole of the motor, which is arranged in the existing grinding machine, so that the service life of the grinding machine is greatly shortened due to dust contained in the air conveyed to the grinding machine.
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 for solving the technical problems is as follows: the angle grinder comprises a shell component, a driving component, a grinding wheel component, a stirring component and an air inlet filtering component, wherein the driving component is arranged in the shell component, the grinding wheel component is arranged below the shell component and is connected with the driving component, the stirring component is movably inserted into the top of the shell component, and the air inlet filtering component is arranged at one end of the shell component;
the shell assembly 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 assembly, 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 a transmission cavity through a fixed frame, the motor is arranged at one end, close to an air inlet, in the transmission cavity, of the motor, a first rotating shaft is fixedly connected to the output end of the motor 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 rotationally 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 in unidirectional rotation connection with the inner wall of the transmission cavity through a unidirectional bearing, a second bevel gear is fixedly connected with the shaft wall of the second rotating shaft, 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 rotationally connected with the angle grinder shell;
the grinding wheel assembly comprises a grinding wheel, the top of the grinding wheel is fixedly connected with a fixed sleeve, threads of the fixed sleeve are sleeved at one end of a shell of the third rotating shaft extending angle grinder, a plurality of fan-shaped grooves are formed in the bottom of the grinding wheel at equal intervals, fan-shaped extending blocks are slidably connected in the fan-shaped grooves, sliding blocks are fixedly connected to the tops of the fan-shaped extending blocks, second grooves matched with the sliding blocks are formed in the inner walls of the fan-shaped grooves, the sliding blocks are slidably connected in the second grooves, grinding coatings are sprayed on the bottoms of the grinding wheel and the bottoms of the fan-shaped extending blocks, third grooves are formed in the bottoms of the grinding wheel, elastic springs are fixedly connected to the inner tops of the third grooves, the other ends of the elastic springs are fixedly connected with fourth bevel gears, a plurality of fifth bevel gears are arranged below the fourth bevel gears, one sides of the fifth bevel gears, which are close to the adjacent to the second grooves, are fixedly connected with screw rods, the other ends of the screw rods extend to the inner sides of the second grooves, the fourth bevel gears penetrate through the inner walls of the fourth grooves, the square bevel gears are fixedly connected with the square bevel gears, the square bevel gears penetrate through the square bevel gears and penetrate through the square grooves, the square bevel gears are fixedly connected with the square bevel gears, the square bevel gears are fixedly connected with the square grooves, and the square bevel gears are fixedly connected with the square bevel gears, the top of the sixth bevel gear is penetrated and provided with a square fifth groove, the inner bottom of the third groove is provided with a sixth groove, and the diameter of the sixth groove is larger than that of the fifth groove.
Specifically, stir the subassembly and including stirring post and jacking post, the one end fixedly connected with jacking post of stirring the post, the diameter of jacking post is less than the diameter of stirring the post, the diameter of stirring the post is less than the diameter of sixth recess, just stir post and fifth recess assorted setting, the diameter of jacking post is less than the diameter of fourth recess.
Specifically, the filtration subassembly that admits air includes the internal thread sleeve, the internal thread sleeve screw thread cup joints on the outer wall of angle mill casing, the through-hole has been seted up in the one end that the internal thread sleeve was kept away from the angle mill casing, the inside of internal thread sleeve is provided with porous filter, just the diameter of filter is greater than the diameter of through-hole.
Specifically, the top of angle mill casing corresponds and dials the subassembly and seted up the first recess of looks adaptation, just stir the subassembly activity grafting in the inside of first recess.
Specifically, the outer wall of the angle grinder shell, which is close to one end of the internal thread sleeve, is sleeved with a rubber sleeve.
Specifically, the bottom of angle mill casing fixedly connected with arc 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 one end fixedly connected with that the post kept away from the jacking post and stir the piece, just stir the diameter of piece and be greater than the diameter of stirring the post.
A method of using an angle grinder, comprising the steps of:
the first step: the handheld angle grinder comprises a handheld angle grinder shell, a starting switch, a motor and a first bevel gear, wherein the motor is started after the switch is started, and drives a first rotating shaft to rotate;
and a second step of: the fan blade can drive the air in the transmission cavity to circulate when rotating, so that the outside air is filtered by the filter plate in the air inlet filtering assembly and then is conveyed into the transmission cavity, the air in the transmission cavity is discharged through the exhaust hole, and the gas discharged through the exhaust hole can blow off the scraps on the workpiece to be polished;
and a third step of: 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 grinding wheel to rotate, and the grinding wheel can grind a workpiece to be ground when rotating;
fourth step: when the diameter of the grinding wheel needs to be adjusted, taking out the stirring assembly from the first groove;
fifth step: inserting the extracted poking assembly from the sixth groove, inserting a poking column in the poking assembly into the fifth groove, and jacking a square inserting block out of the fourth groove by penetrating a jacking column at the top end of the poking column through the fourth groove;
sixth step: the stirring block is rotated, the stirring block can drive the sixth bevel gear to rotate through the stirring 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 gear can drive the screw rod to rotate when rotating, the screw rod can drive the sliding block to slide in the second groove when rotating, and the sliding block can drive the sector extension block to slide and extend in the sector groove when sliding, so that the diameter of the polishing wheel is adjusted;
seventh step: the poking assembly is pulled out and inserted into the first groove, after the plugging assembly is pulled out, the fourth bevel gear can drive the square inserting block to be inserted into the fourth groove on the fixed block for locking under the elastic action of the elastic spring, so that the fourth bevel gear cannot rotate and the fifth bevel gear cannot rotate, and locking of the sector extending block is achieved.
The invention has the beneficial effects that:
(1) According to the angle grinder and the use method thereof, the fan-shaped extending block is arranged in the fan-shaped groove formed in the bottom of the grinding wheel, when the stirring column in the stirring assembly is inserted into the fifth groove, the sixth bevel gear can be driven to rotate, the sixth bevel gear can drive the sliding block to slide in the second groove through the screw rod during rotation, the sliding block can drive the fan-shaped extending block to slide and extend in the fan-shaped groove during sliding in the second groove, and when the fan-shaped extending block can extend out of the fan-shaped groove, the diameter of the grinding wheel can be extended, the single grinding area of the grinding wheel can be increased, and the grinding efficiency is greatly improved.
(2) According to the angle grinder and the use method thereof, the second bevel gear is arranged between the first bevel gear and the third bevel gear and is connected with the inner wall of the transmission cavity in a unidirectional rotation mode through the unidirectional bearing on the second rotation 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, and therefore the grinding wheel does not need to be locked by a tool when the grinding wheel is required to be disassembled, and the angle grinder is more convenient to use.
(3) According to the angle grinder and the use method thereof, through the air inlet filtering assembly, the filter plate in the air inlet filtering assembly can filter air conveyed into the air inlet hole, dust and fragments raised by the angle grinder during grinding can be effectively placed into the transmission cavity, and the service life of the angle grinder can be effectively prolonged greatly.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of an angle grinder according to the present invention;
FIG. 2 is a schematic view of the angle grinder according to the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2 of an angle grinder according to the present invention;
FIG. 4 is a schematic view of the structure of an grinding wheel in an angle grinder according to the present invention;
FIG. 5 is a schematic view of the structure of the grinding wheel of the angle grinder after extension;
FIG. 6 is a schematic view of a toggle assembly in an angle grinder according to the present invention;
fig. 7 is a schematic view of an internal structure of an internal 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 hole; 16. an arc baffle; 17. an exhaust hole; 2. a drive assembly; 21. a fixed frame; 22. a motor; 23. a coupling; 24. a first rotation shaft; 25. a fan blade; 26. a closing plate; 27. a first bevel gear; 28. a second rotation shaft; 29. a second bevel gear; 210. a third bevel gear; 211. a third rotation shaft; 3. a grinding wheel assembly; 31. grinding wheel; 32. a fixed sleeve; 33. a second groove; 34. a sliding block; 35. a fan-shaped extension block; 36. a fan-shaped 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. square plug-in blocks; 317. a fifth groove; 318. a sixth groove; 319. a seventh groove; 320. sealing the chock; 4. the assembly is stirred; 41. stirring the column; 42. jacking the column; 43. a poking block; 5. an air inlet filtering component; 51. an internally threaded sleeve; 52. a through hole; 53. and (5) a filter plate.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 7, the angle grinder of the invention comprises a shell component 1, a driving component 2, a grinding wheel component 3, a stirring component 4 and an air inlet filtering component 5, wherein the driving component 2 is arranged in the shell component 1, the grinding wheel component 3 is arranged below the shell component 1 and is connected with the driving component 2, the stirring component 4 is movably inserted at the top of the shell component 1, and the air inlet filtering component 5 is arranged at one end of the shell component 1;
the shell assembly 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 assembly 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 manner;
the driving assembly 2 comprises a motor 22 and a sealing plate 26, the motor 22 is fixedly arranged in the transmission cavity 14 through a fixed frame 21, the motor 22 is arranged at one end, close to the air inlet hole 15, in the transmission cavity 14, of the motor 22, the output end of the motor 22 is fixedly connected with a first bevel gear 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 bevel gear 24 penetrates through the sealing plate 26, the first bevel gear 24 is rotationally connected with the sealing plate 26, one end, penetrating through the sealing plate 26, of the first bevel gear 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 rotationally connected with the inner wall of the transmission cavity 14 through a one-way bearing, 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, the bottom of the third bevel gear 210 is fixedly connected with a third rotating shaft 27, one side of the first bevel gear 211 extends out of the third bevel gear 11, and the other end of the third bevel gear 210 is rotationally connected with the third bevel gear 11;
the grinding wheel assembly 3 comprises a grinding wheel 31, the top of the grinding wheel 31 is fixedly connected with a fixed sleeve 32, the fixed sleeve 32 is in threaded connection with one end of a third rotating shaft 211 extending out of an angle grinder shell 11, a plurality of sector grooves 36 are formed at equal intervals in the bottom of the grinding wheel 31, sector extending blocks 35 are connected in a sliding manner in the sector grooves 36, sliding blocks 34 are fixedly connected to the tops of the sector extending blocks 35, second grooves 33 which are matched with each other are formed in the inner walls of the sector grooves 36 corresponding to the sliding blocks 34, the sliding blocks 34 are connected in the second grooves 33 in a sliding manner, grinding coatings 37 are sprayed on the bottoms of the grinding wheel 31 and the sector extending blocks 35, a third groove 38 is formed in the grinding wheel 31, elastic springs 39 are fixedly connected to the inner tops of the third groove 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 gears 310, the fifth bevel gears 311 are connected with the fourth bevel gears 310 in a meshed manner, one sides of the plurality of fifth bevel gears 311 close to the adjacent second grooves 33 are fixedly connected with screw rods 312, the other ends of the screw rods 312 extend to the inside of the second grooves 33, one ends of the screw rods 312 extending to the inside of the second grooves 33 penetrate through sliding blocks 34, the screw rods 312 are connected with the sliding blocks 34 in a threaded manner, sixth bevel gears 313 are rotatably connected with the inner bottoms of the third grooves 38, the sixth bevel gears 313 are connected with the fifth bevel gears 311 in a meshed manner, fixing blocks 314 are arranged above the sixth bevel gears 313, the fixing blocks 314 are fixedly connected with the inner walls of the third grooves 38, square fourth grooves 315 are formed in the tops of the fixing blocks 314 in a penetrating manner, the bottom of the fourth bevel gear 310 is fixedly connected with a square plug-in block 316 which is matched with the fourth groove 315, the square plug-in 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 way, 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 stirring assembly 4 comprises a stirring column 41 and a jacking column 42, one end of the stirring column 41 is fixedly connected with the jacking column 42, the diameter of the jacking column 42 is smaller than that of the stirring column 41, the diameter of the stirring column 41 is smaller than that of a sixth groove 318, the stirring column 41 and a fifth groove 317 are arranged in a matched mode, the diameter of the jacking column 42 is smaller than that of a fourth groove 315, the stirring 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 in threaded connection with the outer wall of the angle grinder shell 11, a through hole 52 is formed in one end, far away from the angle grinder shell 11, of the internal thread sleeve 51, a porous filter plate 53 is arranged in 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 mill casing 11 corresponds and dials the first recess 12 of subassembly 4 offered the looks adaptation, just stir the inside of subassembly 4 activity grafting at first recess 12 for stir the inside of subassembly 4 can convenient storage at first recess 12 when need not to use, be convenient for stir the taking of subassembly 4.
The outer wall of the angle grinder shell 11, which is close to one end of the internal thread sleeve 51, is sleeved with the rubber sleeve 13, and the rubber sleeve 13 can effectively enable the angle grinder shell 11 to be more comfortable when being held by hands, and can enable vibration sense transmitted to hands to be weakened when the angle grinder shell is used.
The bottom of the angle grinder shell 11 is fixedly connected with the arc baffle 16, and the arc baffle 16 can effectively prevent the grinding wheel 31 of the angle grinder from driving chips to strike the hands of a user.
A seventh groove 319 is formed in the inner bottom of the sixth groove 318, and a sealing plug 320 is movably inserted in the seventh groove 319, so that the sealing plug 320 can effectively prevent chips from entering the third groove 38.
The one end fixedly connected with that the post 41 kept away from jacking post 42 is stirred piece 43, just stir the diameter of piece 43 and be greater than the diameter of stirring post 41, stir piece 43 can make stir post 41 more convenient laborsaving when rotating.
A method of using an angle grinder, comprising the steps of:
the first step: the handheld angle grinder shell 11 is provided with a starting switch, the motor 22 is started after the starting switch is started, the motor 22 drives the first rotating shaft 24 to rotate, and the first rotating shaft 24 can simultaneously drive the fan blades 25 and the first bevel gears 27 to rotate when rotating;
and a second step of: the fan blades 25 can drive the air in 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 into the transmission cavity 14, the air in the transmission cavity 14 is discharged through the exhaust hole 17, and the air discharged through the exhaust hole 17 can blow off the scraps on the workpiece to be polished;
and a third step of: 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;
fourth step: when the diameter of the grinding wheel 31 needs to be adjusted, the poking assembly 4 is taken out from the inside of the first groove 12;
fifth step: the extracted poking assembly 4 is inserted into the sixth groove 318, the poking column 41 in the poking assembly 4 is inserted into the fifth groove 317, and the jacking column 42 at the top end of the poking column 41 penetrates through the fourth groove 315 to jack the square inserting block 316 out of the fourth groove 315;
sixth step: the stirring block 43 is rotated, the stirring block 43 can drive the sixth bevel gear 313 to rotate through the stirring column 41 when rotating, the sixth bevel gear 313 can drive a 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 sector extension block 35 to slide and extend in the sector groove 36 when sliding, so that the diameter of the grinding wheel 31 is adjusted;
seventh step: after the poking assembly 4 is pulled out and inserted into the first groove 12, the fourth bevel gear 310 can drive the square inserting block 316 to be inserted into the fourth groove 315 on the fixed block 314 to be locked under the elastic action of the elastic spring 39, so that the fourth bevel gear 310 cannot rotate and the fifth bevel gear 311 cannot rotate, and locking of the sector extending block 35 is achieved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended 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 component (1), a driving component (2), a grinding wheel component (3), a stirring component (4) and an air inlet filtering component (5), wherein the driving component (2) is arranged in the shell component (1), the grinding wheel component (3) is arranged below the shell component (1) and is connected with the driving component (2), the stirring component (4) is movably inserted into the top of the shell component (1), and the air inlet filtering component (5) is arranged at one end of the shell component (1); the shell assembly (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 assembly (5), of the angle grinder shell (11), the air inlet hole (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 arranged in a transmission cavity (14) through a fixed frame (21), the motor (22) is arranged at one end, close to an air inlet hole (15), in the transmission cavity (14), an 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 rotationally 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 fixedly connected with the inner wall of the transmission cavity (14) through a one-way bearing, a second bevel gear (29) is fixedly connected with the shaft wall of the second rotating shaft (28), the second bevel gear (29) is rotationally connected with a third bevel gear (210), the third bevel gear (29) is fixedly connected with the third bevel gear (210), the third bevel gear (29) is fixedly meshed with 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 rotationally 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 connection with one end of a third rotating shaft (211) extending out of an angle grinder shell (11), a plurality of fan-shaped grooves (36) are formed in the bottom of the grinding wheel (31) at equal intervals, a fan-shaped extending block (35) is fixedly connected to the inner part of the fan-shaped extending block (36) in a sliding manner, a sliding block (34) is fixedly connected to the top of the fan-shaped extending block (35), a second groove (33) which is matched with the sliding block (34) is formed in the inner wall of the fan-shaped extending block (36), the sliding block (34) is in sliding connection with the inner part of the second groove (33), grinding coatings (37) are sprayed on the bottom of the grinding wheel (31) and the bottom of the fan-shaped extending block (35), a third groove (38) is formed in the inner part of the grinding wheel (31), an elastic spring (39) is fixedly connected to the inner top of the fan-shaped extending block, a fourth bevel gear (310) is fixedly connected to the other end of the elastic spring (39), a fourth bevel gear (310) is fixedly connected to the fourth bevel gear (310), a fifth bevel gear (310) is connected to the fourth bevel gear (310), the utility model provides a plurality of one side that fifth bevel gear (311) is close to adjacent second recess (33) is all fixedly connected with lead screw (312), the other end of lead screw (312) extends to the inside of second recess (33), just lead screw (312) extend to the inside one end of second recess (33) and pass sliding block (34), lead screw (312) and sliding block (34) threaded connection, the interior bottom rotation of third recess (38) is connected with sixth bevel gear (313), sixth bevel gear (313) and fifth bevel gear (311) meshing are connected, the top of sixth bevel gear (313) is provided with fixed block (314), fixed block (314) and the inner wall fixed connection of third recess (38), square fourth recess (315) have been seted up in the top run-through of fixed block (314), square insert block (316) of square bevel gear (318) and fourth recess (315) phase-change, square insert block (318) and fourth recess (315) setting, the top of fifth bevel gear (315) has set up in the diameter of fifth bevel gear (315), square recess (317) have been seted up.
2. An angle grinder as defined in claim 1, wherein: the stirring assembly (4) comprises a stirring column (41) and a jacking column (42), one end of the stirring column (41) is fixedly connected with the jacking column (42), the diameter of the jacking column (42) is smaller than that of the stirring column (41), the diameter of the stirring column (41) is smaller than that of a sixth groove (318), the stirring column (41) and a fifth groove (317) are arranged in a matched mode, and the diameter of the jacking column (42) is smaller than that of a fourth groove (315).
3. An angle grinder as defined in claim 2, wherein: the air inlet filtering component (5) comprises an internal thread sleeve (51), the internal thread sleeve (51) is in threaded sleeve connection with the outer wall of the angle grinder shell (11), one end, far away from the angle grinder shell (11), of the internal thread sleeve (51) is provided with a through hole (52) in a penetrating mode, the inside of the internal thread sleeve (51) is provided with a porous filter plate (53), and the diameter of the filter plate (53) is larger than that of the through hole (52).
4. An angle grinder as defined in claim 3, wherein: the top of the angle grinder shell (11) is provided with a first groove (12) which is matched with the stirring component (4), and the stirring component (4) is movably inserted into the first groove (12).
5. An angle grinder as defined in claim 4, wherein: the outer wall of the angle grinder shell (11) close to one end of the internal thread sleeve (51) is sleeved with a rubber sleeve (13).
6. An angle grinder as defined in claim 5, wherein: the bottom of the angle grinder shell (11) is fixedly connected with an arc baffle (16).
7. An angle grinder as defined in claim 6, 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 defined in claim 7, wherein: one end of the stirring column (41) far away from the jacking column (42) is fixedly connected with a stirring block (43), and the diameter of the stirring block (43) is larger than that of the stirring column (41).
9. A method of using an angle grinder as defined in claim 8, wherein: the method comprises the following steps:
the first step: the handheld angle grinder comprises a handheld angle grinder shell (11), a starting switch, a motor (22) and a first bevel gear (27), wherein the motor (22) is started after the starting switch, 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 the first bevel gear (27) to rotate during rotation;
and a second step of: the fan blades (25) can drive air in 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 assembly (5) and then is conveyed into the transmission cavity (14), the air in the transmission cavity (14) is discharged through the exhaust hole (17), and the air discharged through the exhaust hole (17) can blow off scraps on a workpiece to be polished;
and a third step of: 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;
fourth step: when the diameter of the grinding wheel (31) needs to be adjusted, the stirring assembly (4) is taken out from the first groove (12);
fifth step: inserting the extracted poking assembly (4) into the fifth groove (317) through the sixth groove (318), inserting a poking column (41) in the poking assembly (4), and jacking a square inserting block (316) out of the fourth groove (315) by penetrating a jacking column (42) at the top end of the poking column (41) through the fourth groove (315);
sixth step: the rotating stirring block (43), the stirring block (43) can drive the sixth bevel gear (313) to rotate through the stirring column (41) when rotating, the sixth bevel gear (313) can drive a plurality of fifth bevel gears (311) meshed with the sixth bevel gear (313) to rotate when rotating, the fifth bevel gear (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 sector extending block (35) to slide in the sector groove (36) when sliding, so that the diameter of the polishing wheel (31) is adjusted;
seventh step: the stirring assembly (4) is pulled out and inserted into the first groove (12), after the stirring assembly (4) is pulled out, the fourth bevel gear (310) can drive the square inserting block (316) to be inserted into the fourth groove (315) on the fixed block (314) to be locked under the elastic action of the elastic spring (39), so that the fourth bevel gear (310) cannot rotate and the fifth bevel gear (311) cannot rotate, and the locking of the sector extending block (35) is realized.
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| CN202111321848.0A CN113894667B (en) | 2021-11-09 | 2021-11-09 | Angle grinder and application method thereof |
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| CN115091300A (en) * | 2022-07-27 | 2022-09-23 | 海安常州大学高新技术研发中心 | Glass edge grinding machine with punching function |
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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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