CN117102981B - Rolling body grinding and polishing equipment for ceramic ball bearing of washing machine - Google Patents
Rolling body grinding and polishing equipment for ceramic ball bearing of washing machine Download PDFInfo
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- CN117102981B CN117102981B CN202311372108.9A CN202311372108A CN117102981B CN 117102981 B CN117102981 B CN 117102981B CN 202311372108 A CN202311372108 A CN 202311372108A CN 117102981 B CN117102981 B CN 117102981B
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- 238000005096 rolling process Methods 0.000 title claims abstract description 73
- 239000000919 ceramic Substances 0.000 title claims abstract description 46
- 238000005498 polishing Methods 0.000 title claims abstract description 30
- 238000005406 washing Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000005086 pumping Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 67
- 230000005540 biological transmission Effects 0.000 claims description 46
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 9
- 230000004308 accommodation Effects 0.000 description 4
- 238000007517 polishing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000725 suspension 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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
- B24B31/112—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using magnetically consolidated grinding powder, moved relatively to the workpiece under the influence of pressure
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
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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)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the technical field of machining of spherical parts, in particular to rolling body grinding and polishing equipment of a ceramic ball bearing of a washing machine, which comprises a grinding liquid pool, a grinding mechanism, a liquid pumping mechanism and a rotary driving mechanism.
Description
Technical Field
The invention relates to the technical field of processing of spherical parts, in particular to rolling body grinding and polishing equipment of a ceramic ball bearing of a washing machine.
Background
The ceramic ball bearing for washing machine is one kind of ball bearing for supporting and rotating washing drum inside washing machine and features its ceramic material. The conventional washing machine bearing is mostly made of metal materials, and the appearance of the ceramic ball bearing brings about some advantages and improvements. The ceramic ball bearing of the washing machine is made of ceramic materials, and has the advantages of wear resistance, light weight, corrosion resistance, low noise, vibration and the like. These features not only can improve the performance and durability of the washing machine, but also can enhance the user experience.
High precision ceramic balls are used in large numbers in ceramic ball bearings, which are key components. The grinding and polishing method of the ceramic ball mainly comprises a V-shaped groove grinding method, a circular groove grinding method, a conical disc grinding method, an active control grinding method of a rotation angle, a magnetic suspension grinding method and the like. The V-shaped groove grinding processing method is the most main and common at present, and has the advantages of larger ball loading amount at a time and higher processing efficiency. However, the V-groove polishing method has many disadvantages in that the ceramic ball can only perform a polishing motion of "constant relative orientation" during the polishing process, so that the surface of the ceramic ball cannot be polished with a full envelope, and it is difficult to achieve a uniform polishing effect. In most other grinding methods, many grinding devices have a large number of power sources, complex structures and control systems, high requirements on manufacturing and assembling precision, and high processing cost.
Chinese patent CN107855834B discloses a high-precision ceramic ball rolling bearing type magnetorheological polishing device, which comprises an inner ring cylinder, an outer ring cylinder and a ceramic ball retainer arranged between the inner ring cylinder and the outer ring cylinder, wherein the ceramic ball retainer is provided with a ceramic ball accommodating space, a plurality of ring magnets are arranged in the inner ring cylinder, positioning blocks are arranged between the ring magnets, and the positioning blocks are uniformly arranged in the inner ring cylinder; the ceramic ball retainer is connected with the inner ring barrel through bolts and is arranged concentrically with the inner ring barrel, and magnetorheological polishing liquid is filled between the outer ring barrel and the inner ring barrel.
This burnishing device is through setting up a plurality of ceramic ball in mutually independent accommodation space, through rotatory outer circle section of thick bamboo for the ball is polished on magnetorheological polishing pad in the roll, and accommodation space and ceramic ball's area of contact is great, at ceramic ball rolling in-process, ceramic ball and accommodation space's frictional force can lead to ceramic ball periphery's atress inhomogeneous, and then can lead to ceramic ball grinding's inhomogeneous.
Disclosure of Invention
According to the rolling body grinding and polishing equipment for the ceramic ball bearing of the washing machine, the ceramic balls are abutted to the bottom end of the rotating limiting piece through the flowing polishing liquid, so that the contact area between the ceramic balls and other structures is greatly reduced, the ceramic balls roll due to local friction force, the ceramic balls are uniformly stressed, and the problem that the ceramic balls are unevenly ground due to overlarge contact area with other structures when the existing ceramic balls are ground is solved.
In order to solve the problems in the prior art, the invention provides rolling body grinding and polishing equipment of a ceramic ball bearing of a washing machine, which comprises a grinding liquid pool, a grinding mechanism, a liquid pumping mechanism and a rotary driving mechanism, wherein the grinding mechanism comprises a fixing piece positioned in the grinding liquid pool during grinding and a limiting piece capable of rotating at the top of the fixing piece, the top end of the fixing piece is uniformly distributed with containing grooves for placing rolling bodies, a liquid cavity is further arranged in the fixing piece, the bottom end of the containing groove is provided with a liquid passing channel communicated with the liquid cavity, the liquid pumping mechanism is arranged in the fixing piece, the liquid pumping mechanism can pump the grinding liquid into the liquid cavity, the rotary driving mechanism is arranged outside the grinding liquid pool, the limiting piece is in transmission connection with the rotary driving mechanism, and in a state that the grinding liquid flows upwards in the liquid passing channel, the rolling body moves upwards and is abutted against the bottom end of the rotating limiting piece to be rubbed and rotated.
Preferably, the liquid pumping mechanism comprises a fixed cylinder and an impeller, the fixed cylinder is fixedly arranged in a fixed part along the longitudinal direction, the liquid cavity is communicated with the fixed cylinder, the impeller is coaxially and rotationally arranged in the fixed cylinder, the impeller is in transmission connection with the limiting part, and when the top of the fixed part rotates, the impeller pumps grinding liquid into the liquid cavity from bottom to top.
Preferably, the limiting part comprises a rotating main shaft, a limiting ring and a height adjusting part, the rotating main shaft is coaxially arranged at the top of the fixing part in a rotating way, the rotating main shaft is connected with the impeller in a coaxial transmission way, the limiting ring is coaxially and slidably arranged on the rotating main shaft, the height adjusting part is coaxially arranged in the rotating main shaft, the height adjusting part comprises a connecting part which can penetrate through the rotating main shaft in the radial direction, the connecting part is fixedly connected with the limiting ring, and the distance between the limiting ring and the fixing part can be adjusted through the height adjusting part.
Preferably, the fixing member includes a fixing table having a bottom wall and a side wall extending upward along an edge of the bottom wall, and a sealing cover horizontally disposed on top of the bottom wall, the sealing cover being in sealing connection with the side wall, the accommodating grooves and the liquid passing passages being uniformly distributed on the sealing cover, and the fixing cylinder being fixedly disposed on the bottom wall in a longitudinal direction.
Preferably, the liquid pumping mechanism further comprises a transmission shaft, the transmission shaft longitudinally penetrates through the sealing cover and is in rotary connection with the sealing cover, the impeller is coaxially arranged at the lower part of the transmission shaft, and the upper part of the transmission shaft is fixedly connected with the rotary main shaft in a coaxial manner.
Preferably, the liquid pumping mechanism further comprises a sealing block, the bottom end of the inner cavity of the fixed cylinder is conical, a liquid inlet channel penetrating the conical inner end of the fixed cylinder in the radial direction is arranged on the fixed cylinder, the sealing block is coaxially and slidingly arranged in the fixed cylinder, the bottom end of the transmission shaft extends into the sealing block in a sliding manner, the diameter of the sealing block is smaller than the inner diameter of the fixed cylinder, the bottom end of the sealing block is provided with a closed conical surface capable of being abutted to the bottom of the inner end of the hoop cylinder, and a convex column extending downwards from the center of the sealing block, and the convex column penetrates the bottom end of the fixed cylinder in a sliding manner.
Preferably, so pump liquid mechanism still includes guide arm, sliding tray, first spring and ring spare, the top of transmission shaft has the column recess, the bottom of column recess is provided with the mouth of dodging that runs through the transmission shaft, the bottom coaxial fixedly of guide arm sets up in the sealing block, the top slip of guide arm runs through the transmission shaft, the ring spare coaxial fixedly sets up the top of column recess, the sliding tray coaxial slip ground sets up in the column recess, first spring is located between ring spare and the sliding tray, the sliding tray elasticity butt under the effect of first spring is in the bottom of guide arm, the bottom of sliding tray is provided with downwardly extending's tooth piece, tooth piece passable dodges mouthful and butt in the top of sealed lid, the top of sealed lid is provided with the tooth's socket that can mesh with tooth piece.
Preferably, the rotating spindle is hollow, the height adjusting piece comprises a rotating nut, a sliding rod and a first bolt, the rotating nut is coaxially and rotationally arranged at the top end of the rotating spindle, the sliding rod is coaxially and slidingly arranged in the rotating spindle, guide grooves distributed along the middle circumference are distributed on the circumferential surface of the rotating spindle, the guide grooves extend along the axial direction of the rotating spindle, the rotating nut is in threaded connection with the sliding rod, the first bolt radially penetrates through the guide grooves, and two ends of the first bolt are fixedly connected with the limiting ring and the sliding rod respectively.
Preferably, the height adjusting piece further comprises a first limiting cylinder and a second limiting cylinder, the first limiting cylinder is coaxially and fixedly arranged at the top end of the rotating main shaft, the sliding rod penetrates through the first limiting cylinder in a sliding mode, the rotating nut is rotationally arranged at the top end of the first limiting cylinder, the second limiting cylinder is coaxially and fixedly arranged on the first limiting cylinder, a positioning ring extending in opposite directions along the radial direction of the top end of the second limiting cylinder is arranged at the top end of the second limiting cylinder, and the positioning ring is abutted to the outer edge of the rotating nut.
Preferably, the liquid pumping mechanism further comprises a second spring coaxially arranged in the sealing block, and the second spring is positioned at the bottom end of the transmission shaft.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the plurality of rolling bodies are placed in the independent accommodating grooves, the limiting pieces are suspended at the top ends of the rolling bodies, so that the rolling bodies are prevented from being separated from the accommodating grooves, in the grinding and polishing process, the grinding liquid is pumped into the liquid cavity through the liquid pumping mechanism, so that the grinding liquid impacts the bottom ends of the rolling bodies from bottom to top, the rolling bodies move upwards and are abutted against the bottom ends of the limiting pieces in a state that the bottom ends of the rolling bodies are pressurized, and when the limiting pieces rotate, the limiting pieces exert friction force on the rolling bodies in the tangential direction of the rolling bodies, so that the rolling bodies roll on the top of the accommodating grooves, the contact area of the rolling bodies and the grinding liquid is increased while the contact area of the rolling bodies and other structures is reduced, and further the grinding bodies can be uniformly ground, so that the grinding precision of the rolling bodies is improved.
Drawings
Fig. 1 is a perspective view of a rolling element grinding and polishing apparatus of a ceramic ball bearing of a washing machine.
Fig. 2 is a perspective sectional view of a rolling element grinding and polishing apparatus of a ceramic ball bearing of a washing machine.
Fig. 3 is a sectional view of a rolling element grinding and polishing apparatus of a ceramic ball bearing of a washing machine.
Fig. 4 is a partial enlarged view at a of fig. 3.
Fig. 5 is a partial enlarged view at B of fig. 3.
Fig. 6 is a partial enlarged view at C of fig. 3.
Fig. 7 is a sectional view of a grinding mechanism in a rolling element grinding and polishing apparatus of a ceramic ball bearing of a washing machine.
Fig. 8 is a perspective view of a fixture in a rolling element grinding and polishing apparatus of a ceramic ball bearing of a washing machine.
Fig. 9 is an exploded perspective view of a fixture in a rolling element grinding and polishing apparatus of a ceramic ball bearing for a washing machine.
Fig. 10 is an exploded perspective view of a liquid pumping mechanism in a rolling element grinding and polishing apparatus of a ceramic ball bearing of a washing machine.
The reference numerals in the figures are: 1-a grinding fluid pool; 2-a grinding mechanism; 21-a fixing piece; 211-a receiving groove; 212-a liquid chamber; 213-a liquid passage; 214-a fixed station; 215-sealing cover; 2151-tooth slots; 22-limiting parts; 221-rotating a main shaft; 2211-a guide groove; 222-a limiting ring; 223-height adjustment; 2231-turning the nut; 2232-sliding bar; 2233-first bolt; 2234-a first stop sleeve; 2235-a second stop sleeve; 2236-positioning ring; 3-a liquid pumping mechanism; 31-a fixed cylinder; 312-liquid inlet channel; 32-an impeller; 33-a transmission shaft; 331-convex strips; 34-sealing blocks; 35-a guide rod; 36-a sliding tray; 361-tooth block; 362-groove; 37-a first spring; 38-a ring; 39-a second spring; 41-lifting rod; 42-lifting platform; 43-motor; 44-synchronous belt; 5-rolling bodies.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
As shown in fig. 1, 2 and 3, the present invention provides: the utility model provides a rolling element grinding and polishing equipment of washing machine pottery ball bearing, includes grinding liquid pond 1, grinding mechanism 2, pump liquid mechanism 3 and rotary driving mechanism, grinding mechanism 2 is including being located the mounting 21 in grinding liquid pond 1 when grinding to and can be at the rotatory spacing piece 22 in mounting 21 top, the holding tank 211 that is used for placing rolling element 5 evenly distributed on the top of mounting 21, still be provided with liquid chamber 212 in the mounting 21, the bottom of holding tank 211 is provided with the cross liquid passageway 213 that communicates with liquid chamber 212, pump liquid mechanism 3 sets up in mounting 21, pump liquid mechanism 3 can pump the lapping liquid into in liquid chamber 212, rotary driving mechanism sets up outside grinding liquid pond 1, spacing piece 22 and rotary driving mechanism transmission are connected, have the grinding liquid to flow upward under the state in cross liquid passageway 213, and rolling element 5 upwards moves and the butt is rotated by the friction at the bottom of rotatory spacing piece 22. The rolling elements 5 are ceramic balls.
The rotation driving mechanism comprises a lifting rod 41, a lifting table 42, a motor 43 and a synchronous belt 44, wherein the lifting rod 41 is longitudinally arranged on the outer side of the grinding fluid pool 1, the lifting table 42 is horizontally arranged on the lifting rod 41, the motor 43 is arranged on the lifting table 42, the limiting piece 22 is rotationally connected with the lifting table 42, the motor 43 synchronizes the transmission piece with the limiting piece 22 through the synchronous belt 44, and when the motor 43 is started, the limiting table can rotate at the top of the fixing piece 21.
In use, the rolling bodies 5 are placed in the accommodating grooves 211, one rolling body 5 is placed in each accommodating groove 211, the limiting piece 22 is suspended at the top of the fixing piece 21, the distance between the limiting piece 22 and the fixing piece 21 is smaller than the diameter of the rolling body 5, meanwhile, the bottom end of the limiting piece 22 is slightly higher than the top end of the rolling body 5, when polishing, the liquid pumping mechanism 3 is started, the liquid pumping mechanism 3 pumps the grinding liquid in the grinding liquid pond 1 into the liquid cavity 212, the grinding liquid in the liquid cavity 212 is sprayed upwards from the bottom end of the accommodating groove 211 through the liquid passing channel 213, the flowing grinding liquid is dispersed towards the periphery of the rolling body 5 after impacting the bottom end of the rolling body 5 due to the fact that the rolling body 5 is placed in the accommodating grooves 211, the Bernoulli principle is further provided, the flow speed of the liquid around the rolling body 5 is increased, the pressure is reduced, the flowing grinding pressure upwards supports the rolling body 5 against the bottom end of the limiting piece 22, and the rolling body 5 is suspended at the top end of the accommodating groove 211.
When the stopper 22 rotates, the stopper 22 applies a frictional force to the tip of the rolling element 5 in a tangential direction thereof, so that the rolling element 5 can roll on the top of the accommodating groove 211, and the rolling element 5 is ground and polished in a state where the rolling element 5 is sufficiently contacted with the grinding fluid.
In this embodiment, a plurality of rolling elements 5 are placed in the accommodating grooves 211 that are independent of each other, and the limiting member 22 is suspended at the top end of the rolling elements 5, so as to prevent the rolling elements 5 from separating from the accommodating grooves 211, in the grinding and polishing process, the grinding liquid is pumped into the liquid cavity 212 by the liquid pumping mechanism 3, so that the grinding liquid impacts the bottom end of the rolling elements 5 from bottom to top, the rolling elements 5 move upwards and abut against the bottom end of the limiting member 22 in a state that the bottom end of the rolling elements has pressure, and when the limiting member 22 rotates, the limiting member 22 applies a friction force to the rolling elements 5 along the tangential direction of the rolling elements 5, so that the rolling elements 5 roll on the top of the accommodating grooves 211, the contact area of the rolling elements 5 and the grinding liquid is increased while the contact area of the rolling elements 5 and other structures is reduced, and then the grinding liquid can be uniformly ground, so that the grinding precision of the rolling elements 5 is improved.
As shown in fig. 3, 4 and 10, the liquid pumping mechanism 3 includes a fixed cylinder 31 and an impeller 32, the fixed cylinder 31 is fixedly disposed in the fixed member 21 along a longitudinal direction, the liquid chamber 212 is in communication with the fixed cylinder 31, the impeller 32 is coaxially and rotatably disposed in the fixed cylinder 31, the impeller 32 is in transmission connection with the limiting member 22, and when the limiting member 22 rotates at the top of the fixed member 21, the impeller 32 pumps the grinding liquid into the liquid chamber 212 from bottom to top.
Because the fixed cylinder 31 is arranged in the fixed part 21, and the impeller 32 is rotationally arranged in the fixed cylinder 31 and is in transmission connection with the limiting part 22, when the limiting part 22 rotates at the top of the fixed part 21, the impeller 32 can rotate at a high speed in the fixed cylinder 31, so that the grinding fluid in the grinding fluid tank 1 can be pumped into the fluid cavity 212, the grinding fluid can be sprayed upwards from the fluid passage 213, and the rolling bodies 5 are abutted to the bottom end of the limiting part 22.
The impeller 32 comprises a sleeve with arcuate baffles disposed about its circumference that, when rotated, rotatably pump the slurry into the slurry chamber 212.
As shown in fig. 5, the limiting member 22 includes a rotating main shaft 221, a limiting ring 222 and a height adjusting member 223, the rotating main shaft 221 is coaxially and rotatably disposed at the top of the fixing member 21, the rotating main shaft 221 is coaxially and drivingly connected with the impeller 32, the limiting ring 222 is coaxially and slidably disposed on the rotating main shaft 221, the height adjusting member 223 is coaxially disposed in the rotating main shaft 221, the height adjusting member 223 includes a connecting portion capable of penetrating the rotating main shaft 221 in a radial direction, the connecting portion is fixedly connected with the limiting ring 222, and a distance between the limiting ring 222 and the fixing member 21 can be adjusted by the height adjusting member 223.
The rotating main shaft 221 rotates to penetrate through the lifting table 42, the motor 43 is in transmission connection with the rotating main shaft 221 through the synchronous belt 44, when the motor 43 is started, the rotating main shaft 221 can drive the limiting ring 222 to rotate at the top of the fixing piece 21, so that the rotating limiting ring 222 exerts tangential acting force on the top end of the ball, and in order to facilitate feeding and discharging, the distance between the limiting ring 222 and the fixing piece 21 can be adjusted through the height adjusting piece 223, so that the rolling bodies 5 are arranged in the accommodating groove 211.
As shown in fig. 8 and 9, the fixing member 21 includes a fixing base 214 and a sealing cover 215, the fixing base 214 has a bottom wall and a side wall extending upward along the edge of the bottom wall, the sealing cover 215 is horizontally disposed on top of the bottom wall, the sealing cover 215 is in sealing connection with the side wall, the receiving grooves 211 and the liquid passing passages 213 are uniformly distributed on the sealing cover 215, and the fixing cylinder 31 is fixedly disposed on the bottom wall in the longitudinal direction.
The sealing cover 215 is disposed on top of the fixing table 214 such that the side wall is in sealing connection with the sealing cover 215, thereby enabling the formation of the liquid chamber 212 between the fixing table 214 and the sealing cover 215, while uniformly distributing the accommodation groove 211 and the liquid passing passage 213 on the sealing cover 215, so that the rolling bodies 5 can be uniformly distributed on the sealing cover 215.
As shown in fig. 4 and 5, the pumping mechanism 3 further includes a transmission shaft 33, the transmission shaft 33 penetrates the sealing cover 215 longitudinally and is rotatably connected with the sealing cover, the impeller 32 is coaxially disposed at the lower part of the transmission shaft 33, and the upper part of the transmission shaft 33 is fixedly connected with the rotating main shaft 221 coaxially.
The transmission shaft 33 longitudinally penetrates through the sealing cover 215 and is rotationally connected with the sealing cover 215, the top end of the transmission shaft 33 is fixedly connected with the rotating main shaft 221 coaxially, the lower part of the transmission shaft 33 extends into the fixed cylinder 31, the impeller 32 is coaxially arranged at the lower part of the transmission shaft 33, and when the rotating main shaft 221 rotates, the transmission shaft 33 can drive the impeller 32 to rotate, so that the impeller 32 can rotate in the fixed cylinder 31, and then the grinding fluid can be pumped into the liquid cavity 212.
As shown in fig. 4, the liquid pumping mechanism 3 further includes a sealing block 34, the bottom end of the inner cavity of the fixed cylinder 31 is tapered, the fixed cylinder 31 is provided with a liquid inlet channel 312 penetrating the tapered inner end of the fixed cylinder 31 in the radial direction, the sealing block 34 is coaxially and slidably disposed in the fixed cylinder 31, the bottom end of the transmission shaft 33 extends into the sealing block 34 in a sliding manner, the diameter of the sealing block 34 is smaller than the inner diameter of the fixed cylinder 31, the bottom end of the sealing block 34 is provided with a closed conical surface capable of being abutted to the bottom of the inner end of the hoop cylinder, and a convex column extending downwards from the center of the sealing block, and the convex column slides to penetrate the bottom end of the fixed cylinder 31.
By slidably disposing the sealing block 34 in the fixed cylinder 31, the bottom end of the inner cavity of the fixed cylinder 31 is tapered, and the bottom end of the sealing block 34 has a closed tapered surface capable of abutting against the bottom end of the inner cavity of the fixed cylinder 31, so that the sealing block 34 cannot be separated from the fixed cylinder 31.
When the fixed cylinder 31 gradually approaches the inner bottom end of the grinding fluid reservoir 1, the convex column is abutted against the inner bottom end of the grinding fluid reservoir 1 before the fixed cylinder 31, and the fixed cylinder 31 continues to descend until the fixed cylinder 31 is completely abutted against the inner bottom end of the grinding fluid reservoir 1, the closed conical surface is separated from the inner cavity bottom end of the fixed cylinder 31, so that the fluid inlet channel 312 can be communicated with the inner cavity of the fixed cylinder 31, and the rotating impeller 32 can pump the grinding fluid in the grinding fluid reservoir 1 into the fluid cavity 212.
The transmission shaft 33 is connected with the fixing piece 21 and the limiting piece 22, and the limiting piece 22 and the driving fixing piece 21 move upwards, so that feeding and discharging are facilitated.
As shown in fig. 5 and 7, the liquid pumping mechanism 3 further includes a guide rod 35, a sliding disc 36, a first spring 37 and a ring member 38, the top end of the transmission shaft 33 has a cylindrical groove 362, the bottom end of the cylindrical groove 362 is provided with a dodging port penetrating the transmission shaft 33, the bottom end of the guide rod 35 is coaxially and fixedly arranged in the sealing block 34, the top end of the guide rod 35 slides through the transmission shaft 33, the ring member 38 is coaxially and fixedly arranged at the top end of the cylindrical groove 362, the sliding disc 36 is coaxially and slidingly arranged in the cylindrical groove 362, the first spring 37 is located between the ring member 38 and the sliding disc 36, the sliding disc 36 is elastically abutted against the bottom end of the guide rod 35 under the action of the first spring 37, the bottom end of the sliding disc 36 is provided with a tooth block 361 extending downwards, the tooth block 361 can penetrate through the dodging port and abut against the top end of the sealing cover 215, and the top end of the sealing cover 215 is provided with a tooth slot 2151 capable of meshing with the tooth block 361.
The inner wall of the columnar groove 362 is provided with a protruding strip 331 extending along the axial direction thereof, the circumferential surface of the sliding disk 36 is provided with a groove 362, and the protruding strip 331 is in sliding fit with the groove 362 to prevent the sliding disk 36 from sliding in the columnar groove 362.
As shown in fig. 7, in order to make the limiting member 22 drive the fixing member 21 to leave from the grinding fluid reservoir 1, the rotating main shaft 221 can drive the fixing member 21 to rotate, the guide rod 35 is fixedly arranged in the sealing block 34, when the sealing block 34 slides downwards, the acting force of the guide rod 35 to the bottom end of the sliding disc 36 disappears, so that the sliding disc 36 moves downwards under the action of the first spring 37, further, the tooth block 361 passes through the top end of the columnar groove 362 and is meshed with the tooth groove 2151 at the top end of the sealing cover 215, when the rotating main shaft 221 rotates, the sealing cover 215 can rotate together, and the rolling body 5 in the accommodating groove 211 directly rolls off from the fixing member 21 under the action of centrifugal force, thereby blanking.
As shown in fig. 6, the rotation main shaft 221 is hollow, the height adjusting member 223 includes a rotation nut 2231, a sliding rod 2232 and a first bolt 2233, the rotation nut 2231 is coaxially and rotatably disposed at the top end of the rotation main shaft 221, the sliding rod 2232 is coaxially and slidably disposed in the rotation main shaft 221, guide grooves 2211 distributed along the middle circumference are distributed on the circumferential surface of the rotation main shaft 221, the guide grooves 2211 extend along the axial direction of the rotation main shaft 221, the rotation nut 2231 is in threaded connection with the sliding rod 2232, the first bolt 2233 passes through the guide grooves 2211 along the radial direction, and two ends of the first bolt 2233 are fixedly connected with the limiting ring 222 and the sliding rod 2232, respectively.
When the height of the stop collar 222 needs to be adjusted, the rotating nut 2231 is rotated, and the sliding rod 2232 is connected with the stop collar 222 by the first bolt 2233 due to the threaded connection of the rotating nut 2231 and the sliding rod 2232, so that the sliding rod 2232 can drive the stop collar 222 to lift and lower on the outer side of the rotating spindle 221, thereby facilitating adjustment of the distance between the stop collar 222 and the fixing piece 21.
As shown in fig. 6, the height adjusting member 223 further includes a first limiting cylinder 2234 and a second limiting cylinder 2235, the first limiting cylinder 2234 is coaxially and fixedly disposed at the top end of the rotating main shaft 221, the sliding rod 2232 slidably penetrates through the first limiting cylinder 2234, the rotating nut 2231 is rotatably disposed at the top end of the first limiting cylinder 2234, the second limiting cylinder 2235 is coaxially and fixedly disposed on the first limiting cylinder 2234, a positioning ring 2236 extending along radial directions of the top end of the second limiting cylinder 2235 is disposed, and the positioning ring 2236 abuts against an outer edge of the rotating nut 2231.
The first stopper cylinder 2234 is provided at the top end of the rotation main shaft 221 so as to position the sliding direction of the sliding rod 2232, and the second stopper cylinder is provided on the first stopper cylinder 2234 so that the positioning ring 2236 at the top end of the second stopper cylinder 2235 restrains the outer edge of the rotation nut 2231, thereby preventing the rotation nut 2231 from falling off the rotation main shaft 221.
As shown in fig. 4, the pumping mechanism 3 further includes a second spring 39, the second spring 39 is coaxially disposed in the sealing block 34, and the second spring 39 is located at the bottom end of the transmission shaft 33.
By arranging the second spring 39 in the sealing block 34, after the fixing piece 21 is separated from the grinding fluid tank 1, the sealing block 34 can quickly block the liquid inlet channel 312 under the action of the second spring 39, so that the grinding fluid in the fixing barrel 31 is prevented from overflowing outwards through the liquid inlet.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (7)
1. The rolling body grinding and polishing equipment of the ceramic ball bearing of the washing machine is characterized by comprising a grinding liquid pool (1), a grinding mechanism (2), a liquid pumping mechanism (3) and a rotary driving mechanism, wherein the grinding mechanism (2) comprises a fixed piece (21) positioned in the grinding liquid pool (1) during grinding and a limiting piece (22) capable of rotating at the top of the fixed piece (21), the top end of the fixed piece (21) is uniformly distributed with containing grooves (211) for placing rolling bodies (5), a liquid cavity (212) is further arranged in the fixed piece (21), a liquid passing channel (213) communicated with the liquid cavity (212) is arranged at the bottom end of the containing groove (211), the liquid pumping mechanism (3) is arranged in the fixed piece (21), the liquid pumping mechanism (3) can pump grinding liquid into the liquid cavity (212), the rotary driving mechanism is arranged outside the grinding liquid pool (1), the limiting piece (22) is in transmission connection with the rotary driving mechanism, and the liquid passing channel (213) is provided with a liquid passing channel (213) for enabling the grinding liquid to flow upwards and to be in contact with the rotary limiting piece (22) in a friction mode, and the rotary driving mechanism is in a state of being contacted with the bottom end (22) of the rolling bodies (5) upwards;
the liquid pumping mechanism (3) comprises a fixed cylinder (31) and an impeller (32), the fixed cylinder (31) is fixedly arranged in a fixed part (21) along the longitudinal direction, the liquid cavity (212) is communicated with the fixed cylinder (31), the impeller (32) is coaxially and rotatably arranged in the fixed cylinder (31), the impeller (32) is in transmission connection with the limiting part (22), and when the limiting part (22) rotates at the top of the fixed part (21), the impeller (32) pumps grinding liquid into the liquid cavity (212) from bottom to top;
the limiting piece (22) comprises a rotating main shaft (221), a limiting ring (222) and a height adjusting piece (223), wherein the rotating main shaft (221) is coaxially and rotationally arranged at the top of the fixing piece (21), the rotating main shaft (221) is coaxially connected with the impeller (32) in a transmission manner, the limiting ring (222) is coaxially and slidingly arranged on the rotating main shaft (221), the height adjusting piece (223) is coaxially arranged in the rotating main shaft (221), the height adjusting piece (223) comprises a connecting part which can penetrate through the rotating main shaft (221) in the radial direction, the connecting part is fixedly connected with the limiting ring (222), and the distance between the limiting ring (222) and the fixing piece (21) can be adjusted through the height adjusting piece (223);
the fixing piece (21) comprises a fixing table (214) and a sealing cover (215), the fixing table (214) is provided with a bottom wall and a side wall extending upwards along the edge of the bottom wall, the sealing cover (215) is horizontally arranged at the top of the bottom wall, the sealing cover (215) is in sealing connection with the side wall, the containing groove (211) and the liquid passing channel (213) are uniformly distributed on the sealing cover (215), and the fixing cylinder (31) is fixedly arranged on the bottom wall along the longitudinal direction.
2. The rolling element grinding and polishing device of a ceramic ball bearing of a washing machine according to claim 1, wherein the liquid pumping mechanism (3) further comprises a transmission shaft (33), the transmission shaft (33) longitudinally penetrates through the sealing cover (215) and is rotationally connected with the sealing cover, the impeller (32) is coaxially arranged at the lower part of the transmission shaft (33), and the upper part of the transmission shaft (33) is fixedly connected with the rotating main shaft (221) coaxially.
3. The rolling body grinding and polishing device of the ceramic ball bearing of the washing machine according to claim 2, wherein the liquid pumping mechanism (3) further comprises a sealing block (34), the bottom end of the inner cavity of the fixed cylinder (31) is conical, a liquid inlet channel (312) penetrating through the conical inner end of the fixed cylinder (31) in the radial direction is arranged on the fixed cylinder (31), the sealing block (34) is coaxially and slidingly arranged in the fixed cylinder (31), the bottom end of the transmission shaft (33) extends into the sealing block (34) in a sliding manner, the diameter of the sealing block (34) is smaller than the inner diameter of the fixed cylinder (31), the bottom end of the sealing block (34) is provided with a closed conical surface which can be abutted to the bottom of the inner end of the hoop cylinder, and a convex column extending downwards from the center of the sealing block, and the convex column slides through the bottom end of the fixed cylinder (31).
4. A rolling element grinding and polishing device for a ceramic ball bearing of a washing machine according to claim 3, characterized in that so the pumping mechanism (3) further comprises a guide rod (35), a sliding disc (36), a first spring (37) and a ring member (38), wherein the top end of the transmission shaft (33) is provided with a cylindrical groove (362), the bottom end of the cylindrical groove (362) is provided with a dodging port penetrating the transmission shaft (33), the bottom end of the guide rod (35) is coaxially and fixedly arranged in the sealing block (34), the top end of the guide rod (35) slides through the transmission shaft (33), the ring member (38) is coaxially and fixedly arranged at the top end of the cylindrical groove (362), the sliding disc (36) is coaxially and slidingly arranged in the cylindrical groove (362), the first spring (37) is positioned between the ring member (38) and the sliding disc (36), the sliding disc (36) is elastically propped against the bottom end of the transmission shaft (33) under the action of the first spring (37), the bottom end of the sliding disc (36) is provided with a tooth block 361 extending downwards and can be meshed with the sealing cap (215) and can be led up against the top end (215) of the sealing cap (361).
5. The rolling body grinding and polishing device for a ceramic ball bearing of a washing machine according to any one of claims 2 to 4, wherein the rotating spindle (221) is hollow, the height adjusting member (223) comprises a rotating nut (2231), a sliding rod (2232) and a first bolt (2233), the rotating nut (2231) is coaxially and rotatably arranged at the top end of the rotating spindle (221), the sliding rod (2232) is coaxially and slidably arranged in the rotating spindle (221), guide grooves (2211) distributed along the middle circumference are distributed on the circumferential surface of the rotating spindle (221), the guide grooves (2211) extend along the axial direction of the rotating spindle (221), the rotating nut (2231) is in threaded connection with the sliding rod (2232), the first bolt (2233) radially penetrates through the guide grooves (2211), and two ends of the first bolt (2233) are fixedly connected with a limiting ring (222) and the sliding rod (2232) respectively.
6. The rolling element grinding and polishing device of a ceramic ball bearing of a washing machine according to claim 5, wherein the height adjusting member (223) further comprises a first limiting cylinder (2234) and a second limiting cylinder (2235), the first limiting cylinder (2234) is coaxially and fixedly arranged at the top end of the rotating main shaft (221), the sliding rod (2232) penetrates through the first limiting cylinder (2234) in a sliding manner, the rotating nut (2231) is rotatably arranged at the top end of the first limiting cylinder (2234), the second limiting cylinder (2235) is coaxially and fixedly arranged on the first limiting cylinder (2234), a positioning ring (2236) extending in opposite directions along the radial direction of the top end of the second limiting cylinder (2235) is arranged at the outer edge of the rotating nut (2231), and the positioning ring (2236) is abutted against the outer edge of the rotating nut (2231).
7. A rolling element grinding and polishing device for ceramic ball bearings of washing machines according to claim 4, characterized in that said liquid pumping mechanism (3) further comprises a second spring (39), said second spring (39) being coaxially arranged in said sealing block (34), said second spring (39) being located at the bottom end of the transmission shaft (33).
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| CN202311372108.9A CN117102981B (en) | 2023-10-23 | 2023-10-23 | Rolling body grinding and polishing equipment for ceramic ball bearing of washing machine |
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| CN202311372108.9A CN117102981B (en) | 2023-10-23 | 2023-10-23 | Rolling body grinding and polishing equipment for ceramic ball bearing of washing machine |
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