CN107825288A - A kind of grinding and polishing device with stepless shift function - Google Patents
A kind of grinding and polishing device with stepless shift function Download PDFInfo
- Publication number
- CN107825288A CN107825288A CN201711077652.5A CN201711077652A CN107825288A CN 107825288 A CN107825288 A CN 107825288A CN 201711077652 A CN201711077652 A CN 201711077652A CN 107825288 A CN107825288 A CN 107825288A
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- Prior art keywords
- grinding
- stepless
- fixed plate
- roller
- shift function
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- 238000005498 polishing Methods 0.000 title claims abstract description 25
- 230000008859 change Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 3
- 229910001018 Cast iron Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 238000011160 research Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A kind of grinding and polishing device with stepless shift function, including upper lapping device and lower lapping device, the upper lapping device is by portal frame, two-dimensional linear screw slide and stepless speed change device, the lower lapping device includes mounting seat and abrasive disk, the stepless speed change device includes input motor, stepless speed changing mechanism and workpiece plate, the upper lapping device is arranged on lower lapping device by portal frame, and the workpiece plate is located at the top of abrasive disk and is parallel to each other；The stepless speed change device is arranged in two-dimensional linear screw slide by slide unit mounting seat；Stepless speed changing mechanism includes frame, frictional drive wheel assembly, splined shaft and screw slider adjuster, and the wherein rotating shaft of the circular cone roller of one end and the input axis connection of input motor, the wherein splined shaft of one end is connected with the workpiece plate.Structure of the present invention is simplified, cost is cheap, simple realization variable speed, and the research to the workpiece surface quality under friction speed in grinding and polishing has certain meaning.
Description
Technical field
The invention belongs to ultraprecision grinding polishing technical field, is related to a kind of grinding with stepless shift function and throws
Electro-optical device.
Background technology
Current Ultraprecision Machining, premised on not changing workpiece material physical characteristic, to obtain the shape of the limit
Precision, dimensional accuracy, surface roughness, surface integrity are target, in electronics, communication, computer, laser, Aero-Space etc.
Field is widely used.Wherein, design process technology is to obtain light as being an important Ultraprecision Machining
Learn one of important means of high-precision surface such as element, Sapphire Substrate, monocrystalline substrate.Plane lapping is that design adds
Process early stage of work technology, its machining accuracy have vital influence to the quality of final products, and work will further be made by polishing
Part surface roughness reduces, and improves the surface integrity of workpiece.
In plane lapping polishing the rotating ratio of abrasive disk and workpiece plate to the quality such as flatness of workpiece surface to be machined and
Roughness has important influence.Traditional plane lapping polishing machine may only be adjusted by motor speed and realize simple rotating speed
Than changing, it is difficult to realize for some special rotating speed ratios, such as irrational number, and is ground using rational rotating ratio
Polishing, the grinding track replication problem on workpiece to be machined surface be present, easily cause the roughness of workpiece surface to decline, throw
Optical surface forms the defects of ripple and orange peel.Therefore, innovation plane lapping working motion method realizes any rotating speed ratio
Acquisition, improve the surface quality of plane lapping processing, the high accuracy control shape technical merit of the process stepped up, to abundant super
The abrasive machining of smooth low injured surface is theoretical to have important theory significance and scientific value.
The content of the invention
In order to overcome the shortcomings of that existing grinding and polishing device can not obtain any rotating speed ratio, the present invention provides a kind of simple
The grinding and polishing device with stepless shift function that variable speed, structure are simplified, cost is cheap is realized, can using frictional drive
With simple realization variable speed, the arbitrarily adjustable functional requirement of speed in certain limit is realized, ensures that speed in practice is big
Small demand, and then study the workpiece surface quality in grinding and polishing under friction speed.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of grinding and polishing device with stepless shift function, including upper lapping device and lower lapping device, it is described on
By portal frame, two-dimensional linear screw slide and stepless speed change device, the lower lapping device includes mounting seat and ground lapping device
Mill, the stepless speed change device include input motor, stepless speed changing mechanism and workpiece plate, the upper lapping device and pass through gantry
Frame is arranged on lower lapping device, and the workpiece plate is located at the top of abrasive disk and is parallel to each other；The stepless speed change device leads to
Slide unit mounting seat is crossed in two-dimensional linear screw slide；
The stepless speed changing mechanism includes frame, frictional drive wheel assembly, splined shaft and screw slider adjuster, the machine
Frame includes lower mounting seat, left fixed plate and right fixed plate, and the left fixed plate is located at the left side of the lower mounting seat, described
Right fixed plate is located at the right side of the lower mounting seat；The frictional drive wheel assembly includes circular cone roller and cylindrical roller, institute
State circular cone roller with the cylindrical roller pressing friction to coordinate, the both ends of the circular cone roller are respectively by bearing installed in described
In left fixed plate and right fixed plate, the wherein rotating shaft of the circular cone roller of one end and the input axis connection of the input motor；It is described
The endoporus of cylindrical roller is internal spline, and the cylindrical roller is sleeved on the splined shaft, and the both ends of the splined shaft lead to respectively
Bearing is crossed in the left fixed plate and right fixed plate, wherein the splined shaft of one end is connected with the workpiece plate；The silk
Thick stick sliding block adjuster includes leading screw and guide block, and the both ends of the leading screw are arranged on the left fixed plate by bearing respectively and the right side is consolidated
On fixed board, the top of the guide block is connected with the threads of lead screw, and the bottom of the guide block is sleeved on splined shaft, and cylinder rolls
Link the bottom of wheel and the guide block；The axis of the splined shaft, the axis of leading screw are parallel with the bus of circular cone roller.
Further, the two-dimensional linear screw slide includes y to linear screw slide and z to linear screw slide, described
Stepless speed change device is connected with the z to the slide unit mounting seat of linear screw slide, and the z is arranged on y to linear screw slide
To in the slide unit mounting seat of linear screw slide.
Further, wherein the splined shaft of one end is connected by yielding coupling with the workpiece plate.
Further, the leading screw left end has interior hexagonal screw, for the die nut to the manual regulation of leading screw with it is described
Hexagonal screw coordinates.
The cylindrical roller includes steel wheel and rubber, the outer snare rubber of the steel wheel；It is to ensure and circular cone roller
Compression fit increase friction；The circular cone roller is cast iron roller；Be in order to the friction fit coefficient of cylindrical rubber roller 3 more
Greatly, further increase friction can also be to circular cone roller surface annular knurl.
The pairing bearing coordinated with splined shaft is angular contact bearing, because splined shaft is by axial force and radial load.
The cone angle of the circular cone roller is at 15 °~45 °.
Bearing installation in the left fixed plate is compressed using end cap, bearing installation and bearing block in the right fixed plate
Interference fit.
Beneficial effects of the present invention are mainly manifested in：Variable speed can be realized by simple mechanism, and can be with hand
Speed smooth change is realized in dynamic regulation；Structure is simplified, cost is cheap；To the workpiece surface quality under friction speed in grinding and polishing
Research have certain meaning.
Brief description of the drawings
Fig. 1 is the upper lapping device structure chart of the grinding and polishing device with stepless shift function.
Fig. 2 is the lower lapping device structure chart of the grinding and polishing device with stepless shift function.
Fig. 3 is stepless speed changing mechanism left view.
Fig. 4 is the axonometric drawing of stepless speed changing mechanism.
Fig. 5 is the axonometric drawing of stepless speed changing mechanism.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
1~Fig. 5 of reference picture, a kind of grinding and polishing device with stepless shift function, by upper lapping device and lower grinding
Device two parts form.Upper lapping device is from portal frame 18, two-dimensional linear screw slide (y, z to) 17,2 and stepless speed change device
Form, lower lapping device is made up of mounting seat 20 and abrasive disk 21.Stepless speed change device is by input motor 3, stepless speed changer
Structure and workpiece plate 13 form.Upper lapping device is arranged on lower lapping device by portal frame 18, and stepless speed change device passes through cunning
Platform mounting seat 16 is arranged on z in linear screw slide 2, the axis of its component leading screw 8 and splined shaft 9 with circular cone roller 14
Bus is parallel, and installation workpiece plate 13 is parallel with abrasive disk 21.
Main working process is：Y works to slide unit motor 19 and z to slide unit motor 1, can be by y to screw slide 17
With z to screw slide 2 realize stepless speed change device y, z to displacement, stepless speed change device input motor 3 pass through the band of shaft coupling 4
Dynamic circular cone roller 15 rotates, and circular cone roller 15 drives cylindrical roller 6 to rotate by rubbing, and cylindrical roller 6 drives matched
Splined shaft 9 rotates, and splined shaft 9 is used as output shaft, drives live spindle 11 to rotate by shaft coupling 10, live spindle 11 passes through
Yielding coupling 12 drives the workpiece plate 13 being attached thereto to rotate, and sample to be ground is posted under workpiece plate 13.By rotating silk
Thick stick 8 drives guide block 7 to be moved axially along leading screw 8, and guide block 7 stirs axial movement of the cylindrical roller 6 along splined shaft 9, and then adjusts
The contact position of pitch cylinder roller 6 and circular cone roller 14, step-less adjustment can be carried out to the rotating speed of workpiece plate 13, by y to silk
The position adjustments of thick stick slide unit 17 and z to screw slide 2, it is possible to achieve the multiposition contact of workpiece plate 13 and abrasive disk 21 is ground
Mill.
The rotating ratio u of workpiece plate 13 and input motor 321For：
Wherein：R is the large end face radius of circular cone roller 15, r between the axis of splined shaft 9 and the bus of circular cone roller 15 it is parallel away from
From h is the pitch of leading screw 8, and the angle that Φ leading screws 8 rotate, γ is the semi-cone angle of circular cone roller 15.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.In addition, appended claims purport of the present invention
Covering the whole changes fallen into scope and border or this scope and the equivalents on border and repairing
Change example.
Claims (8)
- A kind of 1. grinding and polishing device with stepless shift function, it is characterised in that：Including upper lapping device and lower grinding dress Put, the upper lapping device includes peace by portal frame, two-dimensional linear screw slide and stepless speed change device, the lower lapping device Seat and abrasive disk are filled, the stepless speed change device includes input motor, stepless speed changing mechanism and workpiece plate, the upper lapping device It is arranged on by portal frame on lower lapping device, the workpiece plate is located at the top of abrasive disk and is parallel to each other；The stepless change Speed variator is arranged in two-dimensional linear screw slide by slide unit mounting seat；The stepless speed changing mechanism includes frame, frictional drive wheel assembly, splined shaft and screw slider adjuster, the frame bag Lower mounting seat, left fixed plate and right fixed plate are included, the left fixed plate is located at the left side of the lower mounting seat, described right solid Fixed board is located at the right side of the lower mounting seat；The frictional drive wheel assembly includes circular cone roller and cylindrical roller, the circle Bore roller with the cylindrical roller pressing friction to coordinate, the both ends of the circular cone roller are respectively by bearing installed in described left solid On fixed board and right fixed plate, the wherein rotating shaft of the circular cone roller of one end and the input axis connection of the input motor；The cylinder The endoporus of roller is internal spline, and the cylindrical roller is sleeved on the splined shaft, and the both ends of the splined shaft pass through axle respectively Hold in the left fixed plate and right fixed plate, wherein the splined shaft of one end is connected with the workpiece plate；The leading screw is slided Block adjuster includes leading screw and guide block, and the both ends of the leading screw are arranged on the left fixed plate and right fixed plate by bearing respectively On, the top of the guide block is connected with the threads of lead screw, and the bottom of the guide block is sleeved on splined shaft, and cylindrical roller with The bottom linkage of the guide block；The axis of the splined shaft, the axis of leading screw are parallel with the bus of circular cone roller.
- A kind of 2. grinding and polishing device with stepless shift function as claimed in claim 1, it is characterised in that：The two dimension Linear screw slide includes y to linear screw slide and z to linear screw slide, and the stepless speed change device and the z are to line Property screw slide slide unit mounting seat connection, the z to linear screw slide be arranged on slide unit from y to linear screw slide install On seat.
- A kind of 3. grinding and polishing device with stepless shift function as claimed in claim 1 or 2, it is characterised in that：Wherein The splined shaft of one end is connected by yielding coupling with the workpiece plate.
- A kind of 4. grinding and polishing device with stepless shift function as claimed in claim 1, it is characterised in that：The leading screw Left end has interior hexagonal screw, coordinates for the die nut to the manual regulation of leading screw and the hexagonal screw.
- A kind of 5. grinding and polishing device with stepless shift function as claimed in claim 1 or 2, it is characterised in that：It is described Cylindrical roller includes steel wheel and rubber, the outer snare rubber of the steel wheel；The circular cone roller is cast iron roller.
- A kind of 6. grinding and polishing device with stepless shift function as claimed in claim 1 or 2, it is characterised in that：With flower The pairing bearing that key axle coordinates is angular contact bearing.
- A kind of 7. grinding and polishing device with stepless shift function as claimed in claim 1 or 2, it is characterised in that：It is described The cone angle of circular cone roller is at 15 °~45 °.
- A kind of 8. grinding and polishing device with stepless shift function as claimed in claim 1 or 2, it is characterised in that：It is described Bearing installation in left fixed plate is compressed using end cap, and the bearing installation in the right fixed plate is interference fitted with bearing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077652.5A CN107825288A (en) | 2017-11-06 | 2017-11-06 | A kind of grinding and polishing device with stepless shift function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077652.5A CN107825288A (en) | 2017-11-06 | 2017-11-06 | A kind of grinding and polishing device with stepless shift function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107825288A true CN107825288A (en) | 2018-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711077652.5A Pending CN107825288A (en) | 2017-11-06 | 2017-11-06 | A kind of grinding and polishing device with stepless shift function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107825288A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590830A (en) * | 2018-10-29 | 2019-04-09 | 泉州智驰自动化机械有限公司 | A kind of high-efficiency ceramic product inner hole grinding apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550995A (en) * | 2009-05-25 | 2009-10-07 | 孔劲松 | Stepless speed change device of circularly arranged cone pulleys |
| CN102734423A (en) * | 2011-04-02 | 2012-10-17 | 湖北汽车工业学院 | Spatial swing cam type stepless variable drive |
| CN106737127A (en) * | 2016-12-30 | 2017-05-31 | 浙江工业大学 | A kind of automatic irrational number rotating ratio polished machine |
-
2017
- 2017-11-06 CN CN201711077652.5A patent/CN107825288A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550995A (en) * | 2009-05-25 | 2009-10-07 | 孔劲松 | Stepless speed change device of circularly arranged cone pulleys |
| CN102734423A (en) * | 2011-04-02 | 2012-10-17 | 湖北汽车工业学院 | Spatial swing cam type stepless variable drive |
| CN106737127A (en) * | 2016-12-30 | 2017-05-31 | 浙江工业大学 | A kind of automatic irrational number rotating ratio polished machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590830A (en) * | 2018-10-29 | 2019-04-09 | 泉州智驰自动化机械有限公司 | A kind of high-efficiency ceramic product inner hole grinding apparatus |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180323 |