CN112975721B - Metal part surface polishing system and method - Google Patents
Metal part surface polishing system and method Download PDFInfo
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- CN112975721B CN112975721B CN202110261559.XA CN202110261559A CN112975721B CN 112975721 B CN112975721 B CN 112975721B CN 202110261559 A CN202110261559 A CN 202110261559A CN 112975721 B CN112975721 B CN 112975721B
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/04—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces
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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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The metal piece surface polishing system comprises a feeding assembly, a polishing liquid supply assembly and a discharging assembly; the feeding assembly comprises a first conveying belt, a pushing channel and a feeding channel are arranged in the middle of the first conveying belt, a first air cylinder and a mounting plate are fixed in the pushing channel, an output shaft of the first air cylinder penetrates through the mounting plate and is fixedly connected with a pushing rod, a U-shaped pushing main body is fixed at the end part of the pushing rod, reverse extending baffles are fixed on two sides of the U-shaped pushing main body and penetrate through the mounting plate, and an outlet of the feeding channel faces the polishing assembly; the polishing assembly comprises a first sliding rod, a screw rod, a first movable mounting plate and a second movable mounting plate, wherein one end of the first sliding rod is fixedly connected with the base, and the other end of the first sliding rod is fixedly connected with the second movable mounting plate.
Description
Technical Field
The invention relates to a polishing system, in particular to a metal part surface polishing system and a metal part surface polishing method.
Background
In precise instruments and aerospace, high-precision spheres are frequently used, the requirement of some precision is below 0.025 mu m and even higher precision, and most of the high-precision spheres are key parts and play a decisive role in the reliability and the service life of equipment, so the method has great practical significance for the research of the precision machining method of the spheres.
At present, among a plurality of machining technologies for high-precision spheres, the more prominent technology is plane grinding and grinding machining of V-shaped grooves, but the two technologies are mainly used for machining spheres with smaller diameters, and among the plurality of machining technologies, a machining method of a four-shaft sphere grinding machine is mostly applied at lower cost. Currently, there is a ball polishing device, and referring to the processing method of a ball polishing device (publication number: CN108000342A) in the chinese patent, when a grinding tool drives a workpiece to rotate and polish in a grinding process, the ball polishing device is rigidly driven and has low processing efficiency, so that a polishing device which drives the workpiece to rotate to be in flexible contact and has higher efficiency needs to be invented.
Disclosure of Invention
In view of the above, the present invention provides a metal surface polishing system, which includes a feeding assembly, a polishing liquid supply assembly, and a discharging assembly;
the feeding assembly comprises a first conveying belt, a pushing channel and a feeding channel are arranged in the middle of the first conveying belt, a first air cylinder and a mounting plate are fixed in the pushing channel, an output shaft of the first air cylinder penetrates through the mounting plate and is fixedly connected with a pushing rod, a U-shaped pushing main body is fixed at the end part of the pushing rod, reverse extending baffles are fixed on two sides of the U-shaped pushing main body and penetrate through the mounting plate, and an outlet of the feeding channel faces the polishing assembly;
the polishing assembly comprises a first sliding rod, a screw rod, a first movable mounting plate and a second movable mounting plate, one end of the first sliding rod is fixedly connected with the base, the other end of the first sliding rod is fixedly connected with the second movable mounting plate, two ends of the screw rod are respectively and rotatably connected with the base and the second movable mounting plate through bearings, and the first movable mounting plate is respectively and slidably connected with the first sliding rod and is in threaded connection with the screw rod;
the polishing machine comprises a first movable mounting plate, a first motor, a second movable mounting plate, a second sliding rod, a third sliding rod, a first polishing disk, a second polishing disk, a third polishing disk, a plurality of arc-shaped grooves, a first spring, a plurality of first arc-shaped through grooves, a plurality of second arc-shaped through grooves, a plurality of hemispheres, a second spring, a plurality of polishing head assemblies and a plurality of polishing head assemblies, wherein the first movable mounting plate is rotatably connected with the first motor through a bearing, the first polishing disk is connected with the first motor through a gear and a chain, the plurality of arc-shaped grooves are formed in the first polishing disk, the second polishing disk is slidably connected with the second polishing disk through the second sliding rod, the third polishing disk is slidably connected with the third polishing disk through the third sliding rod, gaps are reserved among the first polishing disk, the second polishing disk and the third polishing disk, the second spring is sleeved on the second sliding rod and the third sliding rod, the second sliding rod, the first arc-shaped through grooves and the second arc-shaped through grooves are formed into complete hemispheres, the upper part of the third polishing disc is provided with an active polishing disc, the upper part of the active polishing disc is fixedly provided with a main shaft, the main shaft is rotatably connected with a second movable mounting plate through a bearing, and one end of the main shaft penetrating through the second movable mounting plate is fixedly provided with a second worm gear;
a second motor is fixed on the second movable mounting plate, a first worm and a second worm are rotatably connected to the second movable mounting plate through bearings, an output shaft of the second motor is fixedly connected with the second worm, a first gear is fixed on the second worm, and a first inner meshing ratchet mechanism and a second inner meshing ratchet mechanism are fixed on the first worm; the inner pawls of the first inner engaged ratchet mechanism and the second inner engaged ratchet mechanism face opposite directions, the first inner engaged ratchet mechanism comprises a first inner pawl disc fixedly connected with the rod body, pawls of the first inner pawl disc are meshed with an inner tooth surface of a first outer ratchet ring, an outer tooth surface of the first outer ratchet ring is meshed with a first gear, a first worm is meshed with a first worm wheel, and a second worm is meshed with a second worm wheel;
the discharging component comprises a second conveying belt, a discharging channel is arranged in the middle of the second conveying belt, the discharging channel is fixedly connected with an annular discharging disc, the annular discharging disc is obliquely arranged, a mounting table is fixed on one side of the annular discharging disc, a first limiting rod and a second limiting rod are further arranged on two sides of the mounting table, a third motor is fixed on the mounting table, a belt pulley and a third worm are fixed on an output shaft of the third motor, the belt pulley is connected with a second inner meshing ratchet mechanism through a belt, the second inner meshing ratchet mechanism comprises a second inner pawl disc fixedly connected with a rod body, a pawl of the second inner pawl disc is meshed with an inner tooth surface of a second outer ratchet ring, the second outer ratchet ring is connected with the belt pulley through a belt, a third worm wheel is rotatably connected on the mounting table through a bearing, and the third worm wheel is meshed with the third worm, a second cylinder is fixed on the third worm gear, and an output shaft of the second cylinder is fixed with an annular grabbing disc through a first connecting rod;
polishing solution supply assembly includes the hydrops pond of bottom, is equipped with filter and pump machine in the hydrops pond, and the pump machine passes through the pipeline and is connected with the polishing solution shower nozzle, the polishing solution shower nozzle is fixed on the material loading says.
The polishing machine is characterized in that a plurality of bases are fixed to the side edges of the second polishing disc, a second sliding bar is fixed to the lower portion of the base, a third sliding bar is fixed to the upper portion of the base, first springs are sleeved on the second sliding bar and the third sliding bar, a plurality of first sleeves and a plurality of second sleeves are fixed to the side edges of the first polishing disc and the third polishing disc respectively, the first sleeves are sleeved on the second sliding bar, the second sleeves are sleeved on the third sliding bar, and the end portions of the second sliding bar and the third sliding bar are locked and fixed through nuts.
The polishing head assembly comprises a first mounting seat, a plurality of second connecting rods are connected to the first mounting seat through fixing pins, the end portions of the second connecting rods are connected with the connectors in a rotating mode through the fixing pins, the connectors are connected with third connecting rods in a rotating mode through the fixing pins, the third connecting rods are connected with the second mounting seat in a rotating mode through the fixing pins, polishing heads are fixed to the second mounting seat, and second springs are fixed between the first mounting seat and the second mounting seat.
The curvature radius of the polishing head is the same as that of the ball to be processed.
The number of the second connecting rods is larger than three, and the plurality of second connecting rods are uniformly distributed on the first mounting seat.
The connector is located the first mount pad and the second mount pad outside.
The annular grabbing plate is internally provided with a hollow cavity, a plurality of suckers are fixed on the lower side of the annular grabbing plate, and the suckers are connected with a vacuum generator through pipelines.
The first conveying belt and the second conveying belt are both provided with U-shaped limiting frames, and openings of the U-shaped limiting frames face the feeding channel and the discharging channel.
The middle of the annular discharging disc is provided with a fixing column, the fixing column is rotatably connected with a connecting ring through a bearing, a plurality of fixing rods are fixed on the connecting ring and fixedly connected with a limiting ring, a plurality of separating strips are fixed on the limiting ring, and the number of the separating strips is matched with the number of the arc-shaped grooves.
The metal piece surface polishing system polishing method according to the preceding claim:
s1, placing a ball to be processed on the first conveying belt, enabling the conveying belt to move forward one grid after the pushing rod retracts, enabling the ball to be located between the pushing channel and the feeding channel, enabling the polishing liquid spray head to spray polishing liquid on the ball, enabling the pushing rod to extend out, pushing the ball in the U-shaped limiting frame to the polishing assembly, enabling a gap to be reserved between the second polishing disc and the third polishing disc under the action of elastic force of a first spring, enabling the ball to roll into the first arc-shaped through groove, and enabling the ball to be in contact with the polishing head in the first arc-shaped through groove;
s2, after the material pushing rod stretches out and draws back once, the first motor drives the first polishing disc to rotate for one grid, and the first polishing disc drives the second polishing disc and the third polishing disc to rotate for one grid;
s3, repeating S1 and S2 to finish feeding work;
s4, the second motor rotates reversely, the second worm drives the active polishing disk and the screw to rotate, the screw rotates to drive the first movable mounting plate to move upwards along the first sliding rod, the active polishing disk is pressed on the third polishing disk after the first movable mounting plate and the second movable mounting plate are close to each other, the first spring is compressed, when the first polishing disk, the second polishing disk, the third polishing disk and the active polishing disk are not in clearance, the second motor rotates forwards, only the active polishing disk rotates at the moment, the active polishing disk drives the sphere to rotate, and the polishing heads of all the points polish the sphere in the rotating process of the sphere;
s5, after polishing, turning off the second motor, starting the third motor, driving a third worm and a second inner meshing ratchet mechanism to rotate reversely when the third motor rotates reversely, driving a first worm to rotate reversely, driving a screw rod and a second worm to rotate when the first worm rotates reversely, moving a first movable mounting plate downwards, returning a second polishing disc and a third polishing disc under the action of the first spring elasticity, driving a third worm wheel to rotate anticlockwise by the third worm, driving a second cylinder and an annular grabbing disc to rotate by the third worm wheel, when the first connecting rod is contacted with the first limiting rod, the annular grabbing disc is positioned between the second polishing disc and the third polishing disc, the second air cylinder is started, the output shaft of the second air cylinder retracts, the sucker on the annular grabbing plate is contacted with the ball body, the vacuum generator is started, and the ball body is adsorbed by the sucker; starting the second air cylinder, enabling an output shaft of the second air cylinder to extend out, grabbing the ball body by the sucker, enabling the third motor to rotate in the forward direction, only driving the third worm to rotate in the forward direction at the moment, enabling the third worm to drive the third worm wheel to rotate clockwise, enabling the annular grabbing plate to rotate back to the upper side of the annular discharging plate when the first connecting rod is in contact with the second limiting rod, starting the second air cylinder, enabling the output shaft of the second air cylinder to retract, starting the vacuum generator, and enabling the ball body to be placed into the annular discharging plate;
and S6, repeating S1-S5, so that the ball can be continuously ground and polished.
Compared with the prior art, the invention has the following beneficial effects:
1. the active polishing disk drives the ball body to rotate, the polishing heads at all point positions polish the ball body in the rotating process of the ball body, the point positions are distributed uniformly, and when the polishing heads are contacted with the ball body to generate chips, the chips can be timely discharged from a gap between the ball body and the arc-shaped groove, so that the influence of the chips on polishing can be avoided;
2. placing a ball to be processed on a first conveying belt, enabling the conveying belt to move forward one grid after a pushing rod retracts, enabling the ball to be located between a pushing channel and a feeding channel, enabling a polishing liquid spray head to spray polishing liquid on the ball, enabling the pushing rod to extend out, pushing the ball in a U-shaped limiting frame to a polishing assembly, enabling a gap to be reserved between a second polishing disc and a third polishing disc under the action of elastic force of a first spring, enabling the ball to roll into a first arc-shaped through groove, and enabling the ball to be in contact with a polishing head in the first arc-shaped through groove; after the material pushing rod is stretched for one time, the first motor drives the first polishing disc to rotate for one grid, the first polishing disc drives the second polishing disc and the third polishing disc, automatic feeding operation of spheres can be rapidly performed, and grinding and polishing operation can be simultaneously performed on a plurality of spheres;
3. the first arc-shaped through groove and the arc-shaped groove form a complete hemisphere, the second arc-shaped through groove is the same as the first arc-shaped through groove in shape and opposite in direction, and polishing head assemblies are fixed in the arc-shaped groove, the first arc-shaped through groove and the second arc-shaped through groove and can polish a sphere at multiple points at the same time, so that the polishing efficiency and quality are improved;
4. the polishing solution supply assembly comprises a liquid accumulation pool at the bottom, a filter and a pump are arranged in the liquid accumulation pool, the pump is connected with a polishing solution spray head through a pipeline, the polishing solution spray head is fixed on the feeding channel, the polishing solution supply assembly is more environment-friendly, and meanwhile, a ball body is polished by a chemical method, so that the polishing efficiency is improved;
5. can last the polishing to the sphere through material loading subassembly, polishing solution supply assembly and ejection of compact subassembly, can automatic feeding and ejection of compact, and can guarantee the quality and the efficiency of sphere polishing.
Drawings
Fig. 1 is an overall structural view of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a structural view of a first polishing pad.
Fig. 5 is a structural view of a second polishing pad.
Fig. 6 is a structural view of a third polishing pad.
Fig. 7 is a structural view of the first internal ratchet mechanism.
Fig. 8 is a structural view of the second internal ratchet mechanism.
Fig. 9 is a structural view of the partitioning device.
Fig. 10 is a structural view of a base, a second slide bar and a third slide bar.
FIG. 11 is a block diagram of a polishing head assembly.
Reference numerals: 1. a second motor; 2. a second movable mounting plate; 3. a first worm; 4. a second internal engagement ratchet mechanism; 5. a second worm; 6. a second worm gear; 7. a first worm gear; 8. a first slide bar; 9. a first movable mounting plate; 10. a third worm; 11. a base; 12. a first motor; 13. a chain; 14. a liquid accumulation tank; 15. a pump machine; 16. a first conveyor belt; 17. a first cylinder; 18. a reverse extending baffle; 19. mounting a plate; 20. a material pushing rod; 21. a U-shaped material pushing main body; 22. a feeding channel; 23. a second conveyor belt; 24. a U-shaped limit frame; 25. a discharging channel; 26. a polishing solution spray head; 27. a dividing strip; 28. an annular gripping disk; 29. a first link; 30. an active polishing disk; 31. a first sleeve; 32. a first limit rod; 33. a second cylinder; 34. a third motor; 35. a second mounting seat; 36. a second spring; 37. a belt pulley; 38. a belt; 39. an annular discharge disc; 40. a vacuum generator; 41. a first gear; 42. a first outer ratchet ring; 43. a third worm gear; 44. a second limiting rod; 45. a limiting ring; 46. fixing a column; 47. a first inner pawl plate; 48. a second outer ratchet ring; 49. a second inner pawl plate; 50. a connecting ring; 51. fixing the rod; 52. a first spring; 53. a base; 54. a first arc-shaped through groove; 55. a second arc-shaped through groove; 56. a polishing head assembly; 57. an arc-shaped groove; 58. a first polishing pad; 59. a third polishing pad; 60. a second polishing pad; 61. a screw; 62. a polishing head; 63. a third link; 64. a connector; 65. a second link; 66. a first mounting seat; 67. a second sleeve.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
As shown in fig. 1-11, the metal surface polishing system comprises a feeding assembly, a polishing liquid supply assembly and a discharging assembly;
the feeding assembly comprises a first conveying belt 16, a pushing channel and a feeding channel 22 are arranged in the middle of the first conveying belt 16, a first cylinder 17 and a mounting plate 19 are fixed in the pushing channel, an output shaft of the first cylinder 17 penetrates through the mounting plate 19 and is fixedly connected with a pushing rod 20, a U-shaped pushing main body 21 is fixed at the end of the pushing rod 20, reverse extending baffles 18 are fixed on two sides of the U-shaped pushing main body 21, the reverse extending baffles 18 penetrate through the mounting plate 19, and an outlet of the feeding channel 22 faces the polishing assembly;
the polishing assembly comprises a first slide bar 8, a screw rod 61, a first movable mounting plate 9 and a second movable mounting plate 2, one end of the first slide bar 8 is fixedly connected with a base 11, the other end of the first slide bar is fixedly connected with the second movable mounting plate 2, two ends of the screw rod 61 are respectively and rotatably connected with the base 11 and the second movable mounting plate 2 through bearings, and the first movable mounting plate 9 is respectively and slidably connected with the first slide bar 8 and is in threaded connection with the screw rod 61;
the first movable mounting plate 9 is rotatably connected with a first polishing disc 58 through a bearing, the first polishing disc 58 is connected with the first motor 12 through a gear and a chain 13, the first polishing disc 58 is provided with a plurality of arc grooves 57, the upper part of the first polishing disc 58 is slidably connected with a second polishing disc 60 through a second sliding rod, the upper part of the second polishing disc 60 is slidably connected with a third polishing disc 59 through a third sliding rod, gaps are reserved among the first polishing disc 58, the second polishing disc 60 and the third polishing disc 59, the second sliding rod and the third sliding rod are sleeved with a first spring 52, the second polishing disc 60 is provided with a plurality of first arc through grooves 54, the third polishing disc 59 is provided with a plurality of second arc through grooves 55, the first arc through grooves 54 and the arc grooves 57 form a complete hemisphere, the second arc through grooves 55 have the same shape as the first arc through grooves 54 and have the opposite direction, polishing head assemblies 56 are fixed in the arc-shaped groove 57, the first arc-shaped through groove 54 and the second arc-shaped through groove 55, an active polishing disk 30 is arranged at the upper part of the third polishing disk 59, a main shaft is fixed at the upper part of the active polishing disk 30, the main shaft is rotatably connected with the second movable mounting plate 2 through a bearing, and a second worm wheel 6 is fixed at one end of the main shaft penetrating through the second movable mounting plate 2;
a second motor 1 is fixed on the second movable mounting plate 2, a first worm 3 and a second worm 5 are rotatably connected on the second movable mounting plate 2 through bearings, an output shaft of the second motor 1 is fixedly connected with the second worm 5, a first gear 41 is fixed on the second worm 5, and a first inner meshing ratchet mechanism and a second inner meshing ratchet mechanism 4 are fixed on the first worm 3; the inner pawls of the first inner ratchet mechanism and the second inner ratchet mechanism 4 are opposite in direction, the first inner ratchet mechanism comprises a first inner pawl disc 47 fixedly connected with the rod body, pawls of the first inner pawl disc 47 are meshed with an inner tooth surface of a first outer ratchet ring 42, the outer tooth surface of the first outer ratchet ring 42 is meshed with a first gear 41, the first worm 3 is meshed with a first worm wheel 7, and the second worm 5 is meshed with a second worm wheel 6;
the discharging component comprises a second conveying belt 23, a discharging channel 25 is arranged in the middle of the second conveying belt 23, the discharging channel 25 is fixedly connected with an annular discharging disc 39, the annular discharging disc 39 is obliquely arranged, a mounting table is fixed on one side of the annular discharging disc 39, a first limiting rod 32 and a second limiting rod 44 are further arranged on two sides of the mounting table, a third motor 34 is fixed on the mounting table, a belt pulley 37 and a third worm 10 are fixed on an output shaft of the third motor 34, the belt pulley 37 is connected with a second inner meshing ratchet mechanism 4 through a belt 38, the second inner meshing ratchet mechanism 4 comprises a second inner pawl disc 49 fixedly connected with a rod body, pawls of the second inner pawl disc 49 are meshed with inner tooth surfaces of a second outer ratchet ring 48, the second outer ratchet ring 48 is connected with the belt pulley 37 through the belt 38, and a third worm wheel 43 is rotatably connected with the mounting table through a bearing, the third worm wheel 43 is meshed with the third worm 10, a second air cylinder 33 is fixed on the third worm wheel, and an annular grabbing disc 28 is fixed on an output shaft of the second air cylinder 33 through a first connecting rod 29;
the polishing solution supply assembly comprises a liquid accumulation pool 14 at the bottom, a filter and a pump 15 are arranged in the liquid accumulation pool 14, the pump 15 is connected with a polishing solution spray head 26 through a pipeline, and the polishing solution spray head 26 is fixed on the feeding channel 22.
As a further improvement of the above scheme:
preferably, a plurality of bases 53 are fixed to the side edge of the second polishing disk 60, a second sliding rod is fixed to the lower portion of each base 53, a third sliding rod is fixed to the upper portion of each base 53, first springs 52 are sleeved on the second sliding rod and the third sliding rod, a plurality of first sleeves 31 and second sleeves 67 are fixed to the side edges of the first polishing disk 58 and the third polishing disk 59 respectively, the first sleeves 31 are sleeved on the second sliding rods, the second sleeves 67 are sleeved on the third sliding rods, and the end portions of the second sliding rods and the third sliding rods are locked and fixed through nuts.
Preferably, the polishing head assembly 56 includes a first mounting seat 66, a plurality of second connecting rods 65 are connected to the first mounting seat 66 through fixing pins, ends of the second connecting rods 65 are rotatably connected to the connecting head 64 through fixing pins, the connecting head 64 is rotatably connected to a third connecting rod 63 through fixing pins, the third connecting rod 63 is rotatably connected to the second mounting seat 35 through fixing pins, a polishing head 62 is fixed to the second mounting seat 35, and a second spring 36 is fixed between the first mounting seat 66 and the second mounting seat 35.
Preferably, the radius of curvature of the polishing head 62 is the same as the radius of curvature of the ball to be machined.
Preferably, the number of the second connecting rods 65 is greater than three, and the plurality of second connecting rods 65 are uniformly distributed on the first mounting seat 66.
Preferably, the connecting head 64 is located outside the first mounting seat 66 and the second mounting seat 35.
Preferably, the annular grabbing plate 28 is provided with a hollow cavity inside, a plurality of suction cups are fixed on the lower side of the annular grabbing plate 28, and the suction cups are connected with the vacuum generator 40 through pipelines.
Preferably, the first conveying belt 16 and the second conveying belt 23 are both provided with a U-shaped limiting frame 24, and the opening of the U-shaped limiting frame 24 faces the feeding channel 22 and the discharging channel 25.
Preferably, a fixing column 46 is arranged in the middle of the annular discharging disc 39, a connecting ring 50 is rotatably connected to the fixing column 46 through a bearing, a plurality of fixing rods 51 are fixed to the connecting ring 50, the fixing rods 51 are fixedly connected to a limiting ring 45, a plurality of separating strips 27 are fixed to the limiting ring 45, and the number of the separating strips 27 is matched with the number of the arc-shaped grooves 57.
Preferably, the polishing method based on the metal part surface polishing system of the preceding claims:
s1, placing the ball to be processed on the first conveying belt 16, retracting the pushing rod 20, advancing the conveying belt by one grid, positioning the ball between the pushing channel and the feeding channel 22, spraying polishing liquid on the ball by the polishing liquid spray head 26, extending the pushing rod 20, pushing the ball in the U-shaped limiting frame 24 to the polishing assembly, and allowing a gap to be reserved between the second polishing disc 60 and the third polishing disc 59 under the elastic force of the first spring 52, wherein the ball rolls into the first arc-shaped through groove 54 and contacts with the polishing head 62 in the first arc-shaped through groove 54;
s2, after the material pushing rod 20 completes one expansion, the first motor 12 drives the first polishing disk 58 to rotate one grid, and the first polishing disk 58 drives the second polishing disk 60 and the third polishing disk 59 to rotate one grid;
s3, repeating S1 and S2 to finish feeding work;
s4, the second motor 1 rotates reversely, the second worm 5 drives the active polishing disk 30 and the screw 61 to rotate, the screw 61 rotates to drive the first movable mounting plate 9 to move upwards along the first sliding rod 8, the active polishing disk 30 is pressed on the third polishing disk 59 after the first movable mounting plate 9 and the second movable mounting plate 2 approach, the first spring 52 is compressed, when the first polishing disk 58, the second polishing disk 60, the third polishing disk 59 and the active polishing disk 30 have no gap, the second motor 1 rotates forwards, only the active polishing disk 30 rotates at the moment, the active polishing disk 30 drives the sphere to rotate, and the polishing heads 62 at all points polish the sphere in the rotating process of the sphere;
s5, after polishing is completed, the second motor 1 is turned off, the third motor 34 is started, the third motor 34 can drive the third worm 10 and the second inner meshing ratchet mechanism 4 to rotate reversely when rotating reversely, the second inner meshing ratchet mechanism 4 can drive the first worm 3 to rotate reversely, the first worm 3 can drive the screw 61 and the second worm 5 to rotate when rotating reversely, the first movable mounting plate 9 moves downwards, the second polishing disc 60 and the third polishing disc 59 return under the elastic force of the first spring 52, the third worm 10 drives the third worm wheel 43 to rotate anticlockwise, the third worm wheel 43 drives the second air cylinder 33 and the annular grabbing disc 28 to rotate, when the first connecting rod 29 contacts with the first limiting rod 32, the annular grabbing disc 28 is positioned between the second polishing disc 60 and the third polishing disc 59, the second air cylinder 33 is started, the output shaft of the second air cylinder 33 retracts, the sucking disc on the annular grabbing disc 28 contacts with a sphere, starting the vacuum generator 40, and adsorbing the ball by the sucker; starting the second air cylinder 33, extending an output shaft of the second air cylinder 33, grabbing the sphere by the sucker, rotating the third motor 34 in the forward direction, only driving the third worm 10 to rotate in the forward direction at the moment, driving the third worm wheel 43 to rotate clockwise by the third worm 10, rotating the annular grabbing disc 28 to the upper side of the annular discharging disc 39 when the first connecting rod 29 is in contact with the second limiting rod 44, starting the second air cylinder 33, retracting the output shaft of the second air cylinder 33, starting the vacuum generator 40, and putting the sphere into the annular discharging disc 39;
and S6, repeating S1-S5, so that the ball can be continuously ground and polished.
The working principle of the invention is as follows: the control system is a common KPL control system, which is not described herein again, a ball to be processed is placed on the first conveyor belt 16, the conveyor belt advances one grid after the pushing rod 20 retracts, the ball is located between the pushing channel and the feeding channel 22, the polishing solution spray head 26 sprays polishing solution on the ball, the pushing rod 20 extends out to push the ball in the U-shaped limiting frame 24 to the polishing assembly, at this time, a gap is left between the second polishing disc 60 and the third polishing disc 59 under the elastic force of the first spring 52, the ball rolls into the first arc-shaped through groove 54, and the polishing head 62 contacts with the ball in the first arc-shaped through groove 54;
after the material pushing rod 20 is stretched and retracted once, the first motor 12 drives the first polishing disk 58 to rotate for one grid, and the first polishing disk 58 drives the second polishing disk 60 and the third polishing disk 59;
the steps are repeated to complete the feeding work, so that the full-automatic feeding can be realized, and the manual feeding is not needed;
the second motor 1 rotates reversely, the second worm 5 drives the active polishing disk 30 and the screw 61 to rotate, the screw 61 rotates to drive the first movable mounting plate 9 to move upwards along the first slide bar 8, after the first movable mounting plate 9 and the second movable mounting plate 2 approach each other, the active polishing disk 30 is pressed against the third polishing disk 59, the first spring 52 is compressed, when there is no gap between the first polishing disk 58, the second polishing disk 60, the third polishing disk 59 and the active polishing disk 30, the second motor 1 rotates in the positive direction, only the active polishing disk 30 rotates at the moment, the active polishing disk 30 drives the ball to rotate, the polishing heads 62 at all point positions polish the ball in the rotating process of the ball, the point positions are distributed very uniformly, when the polishing head 62 contacts with the ball to generate chips, the chips can be discharged from the gap between the ball and the arc-shaped groove 57 in time, so that the influence of the chips on polishing can be avoided;
after polishing, the second motor 1 is turned off, the third motor 34 is started, the third motor 34 can drive the third worm 10 and the second inner meshing ratchet mechanism 4 to rotate reversely when rotating reversely, the second inner meshing ratchet mechanism 4 can drive the second worm 5 to rotate reversely, the second worm 5 can drive the screw 61 and the first worm 3 to rotate when rotating reversely, the first movable mounting plate 9 moves downwards, the second polishing disc 60 and the third polishing disc 59 return under the elastic force of the first spring 52, the third worm 10 drives the third worm wheel 43 to rotate anticlockwise, the third worm wheel 43 drives the second cylinder 33 and the annular grabbing disc 28 to rotate, when the first connecting rod 29 is in contact with the first limiting rod 32, the annular grabbing disc 28 is positioned between the second polishing disc 60 and the third polishing disc 59, the second cylinder 33 is started, the output shaft of the second cylinder 33 retracts, the sucker on the annular grabbing disc 28 is in contact with the sphere, starting the vacuum generator 40, and adsorbing the ball by the sucker; starting the second air cylinder 33, extending an output shaft of the second air cylinder 33, grabbing the sphere by the sucker, rotating the third motor 34 in the forward direction, only driving the third worm 10 to rotate in the forward direction at the moment, driving the third worm wheel 43 to rotate clockwise by the third worm 10, rotating the annular grabbing disc 28 to the upper side of the annular discharging disc 39 when the first connecting rod 29 is in contact with the second limiting rod 44, starting the second air cylinder 33, retracting the output shaft of the second air cylinder 33, starting the vacuum generator 40, and putting the sphere into the annular discharging disc 39;
the steps are repeated, so that the grinding and polishing can be continuously carried out on the sphere, the automatic feeding and the automatic discharging can be realized, and the quality and the efficiency of the spherical surface polishing can be ensured.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the claims of the present invention should not be limited by the above-mentioned embodiments, because the modifications, equivalent variations, improvements, etc. made in the claims of the present invention still fall within the scope of the present invention.
Claims (10)
1. The metal piece surface polishing system comprises a feeding assembly, a polishing liquid supply assembly and a discharging assembly;
the feeding assembly comprises a first conveying belt, a pushing channel and a feeding channel are arranged in the middle of the first conveying belt, a first air cylinder and a mounting plate are fixed in the pushing channel, an output shaft of the first air cylinder penetrates through the mounting plate and is fixedly connected with a pushing rod, a U-shaped pushing main body is fixed at the end part of the pushing rod, reverse extending baffles are fixed on two sides of the U-shaped pushing main body and penetrate through the mounting plate, and an outlet of the feeding channel faces the polishing assembly;
the polishing assembly comprises a first sliding rod, a screw rod, a first movable mounting plate and a second movable mounting plate, one end of the first sliding rod is fixedly connected with the base, the other end of the first sliding rod is fixedly connected with the second movable mounting plate, two ends of the screw rod are respectively and rotatably connected with the base and the second movable mounting plate through bearings, and the first movable mounting plate is respectively and slidably connected with the first sliding rod and is in threaded connection with the screw rod;
the polishing machine comprises a first movable mounting plate, a first motor, a second movable mounting plate, a second sliding rod, a third sliding rod, a first polishing disk, a second polishing disk, a third polishing disk, a plurality of arc-shaped grooves, a first spring, a plurality of first arc-shaped through grooves, a plurality of second arc-shaped through grooves, a plurality of hemispheres, a second spring, a plurality of polishing head assemblies and a plurality of polishing head assemblies, wherein the first movable mounting plate is rotatably connected with the first motor through a bearing, the first polishing disk is connected with the first motor through a gear and a chain, the plurality of arc-shaped grooves are formed in the first polishing disk, the second polishing disk is slidably connected with the second polishing disk through the second sliding rod, the third polishing disk is slidably connected with the third polishing disk through the third sliding rod, gaps are reserved among the first polishing disk, the second polishing disk and the third polishing disk, the second spring is sleeved on the second sliding rod and the third sliding rod, the second sliding rod, the first arc-shaped through grooves and the second arc-shaped through grooves are formed into complete hemispheres, the upper part of the third polishing disc is provided with an active polishing disc, the upper part of the active polishing disc is fixedly provided with a main shaft, the main shaft is rotatably connected with a second movable mounting plate through a bearing, and one end of the main shaft penetrating through the second movable mounting plate is fixedly provided with a second worm gear;
a second motor is fixed on the second movable mounting plate, a first worm and a second worm are rotatably connected to the second movable mounting plate through bearings, an output shaft of the second motor is fixedly connected with the second worm, a first gear is fixed on the second worm, and a first inner meshing ratchet mechanism and a second inner meshing ratchet mechanism are fixed on the first worm; the inner pawls of the first inner engaged ratchet mechanism and the second inner engaged ratchet mechanism face opposite directions, the first inner engaged ratchet mechanism comprises a first inner pawl disc fixedly connected with the rod body, pawls of the first inner pawl disc are meshed with an inner tooth surface of a first outer ratchet ring, an outer tooth surface of the first outer ratchet ring is meshed with a first gear, a first worm is meshed with a first worm wheel, and a second worm is meshed with a second worm wheel;
the discharging component comprises a second conveying belt, a discharging channel is arranged in the middle of the second conveying belt, the discharging channel is fixedly connected with an annular discharging disc, the annular discharging disc is obliquely arranged, a mounting table is fixed on one side of the annular discharging disc, a first limiting rod and a second limiting rod are further arranged on two sides of the mounting table, a third motor is fixed on the mounting table, a belt pulley and a third worm are fixed on an output shaft of the third motor, the belt pulley is connected with a second inner meshing ratchet mechanism through a belt, the second inner meshing ratchet mechanism comprises a second inner pawl disc fixedly connected with a rod body, a pawl of the second inner pawl disc is meshed with an inner tooth surface of a second outer ratchet ring, the second outer ratchet ring is connected with the belt pulley through a belt, a third worm wheel is rotatably connected on the mounting table through a bearing, and the third worm wheel is meshed with the third worm, a second cylinder is fixed on the third worm gear, and an output shaft of the second cylinder is fixed with an annular grabbing disc through a first connecting rod;
polishing solution supply assembly includes the hydrops pond of bottom, is equipped with filter and pump machine in the hydrops pond, and the pump machine passes through the pipeline and is connected with the polishing solution shower nozzle, the polishing solution shower nozzle is fixed on the material loading says.
2. The metal article surface polishing system of claim 1, wherein: the polishing machine is characterized in that a plurality of bases are fixed to the side edges of the second polishing disc, a second sliding bar is fixed to the lower portion of the base, a third sliding bar is fixed to the upper portion of the base, first springs are sleeved on the second sliding bar and the third sliding bar, a plurality of first sleeves and a plurality of second sleeves are fixed to the side edges of the first polishing disc and the third polishing disc respectively, the first sleeves are sleeved on the second sliding bar, the second sleeves are sleeved on the third sliding bar, and the end portions of the second sliding bar and the third sliding bar are locked and fixed through nuts.
3. The metal article surface polishing system of claim 1, wherein: the polishing head assembly comprises a first mounting seat, a plurality of second connecting rods are connected to the first mounting seat through fixing pins, the end portions of the second connecting rods are connected with the connectors in a rotating mode through the fixing pins, the connectors are connected with third connecting rods in a rotating mode through the fixing pins, the third connecting rods are connected with the second mounting seat in a rotating mode through the fixing pins, polishing heads are fixed to the second mounting seat, and second springs are fixed between the first mounting seat and the second mounting seat.
4. The metal article surface polishing system of claim 3, wherein: the curvature radius of the polishing head is the same as that of the ball to be processed.
5. The metal article surface polishing system of claim 3, wherein: the number of the second connecting rods is larger than three, and the plurality of second connecting rods are uniformly distributed on the first mounting seat.
6. The metal article surface polishing system of claim 3, wherein: the connector is located the first mount pad and the second mount pad outside.
7. The metal article surface polishing system of claim 1, wherein: the annular grabbing plate is internally provided with a hollow cavity, a plurality of suckers are fixed on the lower side of the annular grabbing plate, and the suckers are connected with a vacuum generator through pipelines.
8. The metal article surface polishing system of claim 1, wherein: the first conveying belt and the second conveying belt are both provided with U-shaped limiting frames, and openings of the U-shaped limiting frames face the feeding channel and the discharging channel.
9. The metal article surface polishing system of claim 1, wherein: the middle of the annular discharging disc is provided with a fixing column, the fixing column is rotatably connected with a connecting ring through a bearing, a plurality of fixing rods are fixed on the connecting ring and fixedly connected with a limiting ring, a plurality of separating strips are fixed on the limiting ring, and the number of the separating strips is matched with the number of the arc-shaped grooves.
10. The metal part surface polishing system according to claim 9, wherein a method for polishing a metal surface is provided:
s1, placing a ball to be processed on the first conveying belt, enabling the conveying belt to move forward one grid after the pushing rod retracts, enabling the ball to be located between the pushing channel and the feeding channel, enabling the polishing liquid spray head to spray polishing liquid on the ball, enabling the pushing rod to extend out, pushing the ball in the U-shaped limiting frame to the polishing assembly, enabling a gap to be reserved between the second polishing disc and the third polishing disc under the action of elastic force of a first spring, enabling the ball to roll into the first arc-shaped through groove, and enabling the ball to be in contact with the polishing head in the first arc-shaped through groove;
s2, after the material pushing rod stretches out and draws back once, the first motor drives the first polishing disc to rotate for one grid, and the first polishing disc drives the second polishing disc and the third polishing disc to rotate for one grid;
s3, repeating S1 and S2 to finish feeding work;
s4, the second motor rotates reversely, the second worm drives the active polishing disk and the screw to rotate, the screw rotates to drive the first movable mounting plate to move upwards along the first sliding rod, the active polishing disk is pressed on the third polishing disk after the first movable mounting plate and the second movable mounting plate are close to each other, the first spring is compressed, when the first polishing disk, the second polishing disk, the third polishing disk and the active polishing disk are not in clearance, the second motor rotates forwards, only the active polishing disk rotates at the moment, the active polishing disk drives the sphere to rotate, and the polishing heads of all the points polish the sphere in the rotating process of the sphere;
s5, after polishing, turning off the second motor, starting the third motor, driving a third worm and a second inner meshing ratchet mechanism to rotate reversely when the third motor rotates reversely, driving a first worm to rotate reversely, driving a screw rod and a second worm to rotate when the first worm rotates reversely, moving a first movable mounting plate downwards, returning a second polishing disc and a third polishing disc under the action of the first spring elasticity, driving a third worm wheel to rotate anticlockwise by the third worm, driving a second cylinder and an annular grabbing disc to rotate by the third worm wheel, when the first connecting rod is contacted with the first limiting rod, the annular grabbing disc is positioned between the second polishing disc and the third polishing disc, the second air cylinder is started, the output shaft of the second air cylinder retracts, the sucker on the annular grabbing plate is contacted with the ball body, the vacuum generator is started, and the ball body is adsorbed by the sucker; starting the second air cylinder, enabling an output shaft of the second air cylinder to extend out, grabbing the ball body by the sucker, enabling the third motor to rotate in the forward direction, only driving the third worm to rotate in the forward direction at the moment, enabling the third worm to drive the third worm wheel to rotate clockwise, enabling the annular grabbing plate to rotate back to the upper side of the annular discharging plate when the first connecting rod is in contact with the second limiting rod, starting the second air cylinder, enabling the output shaft of the second air cylinder to retract, starting the vacuum generator, and enabling the ball body to be placed into the annular discharging plate;
and S6, repeating S1-S5, so that the ball can be continuously ground and polished.
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| CN210879142U (en) * | 2019-10-30 | 2020-06-30 | 瑞安市恩博汽车零部件有限公司 | Bulb burnishing machine with detection device |
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Address after: 214000 No.3, Hudai Road, South District, Hudai Industrial Park, Binhu District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Teliliang New Material Technology Co.,Ltd. Address before: 214000 No.3, Hudai Road, South District, Hudai Industrial Park, Binhu District, Wuxi City, Jiangsu Province Patentee before: JIANGSU TELI LIANG COATING TECHNOLOGY CO.,LTD. |
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