CN207431982U - A kind of grinding and polishing device that can realize variable speed - Google Patents
A kind of grinding and polishing device that can realize variable speed Download PDFInfo
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- CN207431982U CN207431982U CN201721461854.5U CN201721461854U CN207431982U CN 207431982 U CN207431982 U CN 207431982U CN 201721461854 U CN201721461854 U CN 201721461854U CN 207431982 U CN207431982 U CN 207431982U
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- grinding
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- idler wheel
- variable speed
- sliding key
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Abstract
A kind of grinding and polishing device that can realize variable speed, including upper grinding device and lower grinding device, the upper grinding device is by portal frame, two-dimensional linear screw slide and stepless speed changing mechanism, the lower grinding device includes mounting base and abrasive disk, the stepless speed changing mechanism includes input motor, stepless speed changing mechanism and workpiece plate, the upper grinding device is mounted on by portal frame on lower grinding device, and the workpiece plate is located at the top of abrasive disk and is mutually parallel；The stepless speed change device is mounted on by slide unit mounting base in two-dimensional linear screw slide；Stepless speed changing mechanism includes rack, frictional drive wheel assembly, long sliding key shaft and screw slider adjuster, and the wherein shaft of the circular cone idler wheel of one end and the input axis connection of input motor, the long sliding key shaft of wherein one end is connected with workpiece plate.The utility model structure is simplified, of low cost, simple realization variable speed, has certain meaning to the research of the workpiece surface quality under friction speed in grinding and polishing.
Description
Technical field
The utility model belongs to ultraprecision grinding polishing technical field, and being related to a kind of can realize grinding for variable speed
Grinding and polishing 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, aerospace etc.
Field is widely used.Wherein, design processing technology is to obtain light as being an important Ultraprecision Machining
Learn one of the important means of high-precision surfaces such as element, Sapphire Substrate, monocrystalline substrate.Plane lapping is that design adds
Process early period of work technology, 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, there are the grinding track replication problem on workpiece to be machined surface, the roughness for being easy to cause workpiece surface declines, throws
Optical surface forms the defects of ripple and orange peel.Therefore, innovate plane lapping working motion method and realize arbitrary rotating speed ratio
Acquisition, improve the surface quality of plane lapping processing, step up the high-precision control shape technical merit of the process, 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 arbitrary rotating speed ratio, the utility model provides a kind of
Simple realization variable speed, structure simplification, the low-cost grinding and polishing device that can realize variable speed, are passed using friction
It is dynamic to realize the arbitrarily adjustable functional requirement of speed in a certain range with simple realization variable speed, ensure speed in practice
Size requirement is spent, and then studies the workpiece surface quality in grinding and polishing under friction speed.
Technical solution is used by the utility model solves its technical problem：
A kind of grinding and polishing device that can realize variable speed, including upper grinding device and lower grinding device, it is described on
By portal frame, two-dimensional linear screw slide and stepless speed changing mechanism, the lower grinding device includes mounting base and grinds grinding device
Mill, the stepless speed change device include input motor, stepless speed changing mechanism and workpiece plate, the upper grinding device and pass through gantry
Frame is mounted on lower grinding device, and the workpiece plate is located at the top of abrasive disk and is mutually parallel；The stepless speed changing mechanism leads to
Slide unit mounting base is crossed in two-dimensional linear screw slide；
The stepless speed changing mechanism includes rack, frictional drive wheel assembly, long sliding key shaft and screw slider adjuster, described
Rack 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, institute
State the right side that right fixed plate is located at the lower mounting seat；The frictional drive wheel assembly includes circular cone idler wheel and cylindrical roller,
The circular cone idler wheel coordinates with the cylindrical roller pressing friction, and the both ends of the circular cone idler wheel are mounted on institute by bearing respectively
It states in left fixed plate and right fixed plate, wherein the shaft of the circular cone idler wheel of one end and the output axis connection of the input motor；Institute
Cylindrical roller is stated by key connection on the long feather key of long sliding key shaft, the both ends of the long sliding key shaft are mounted on respectively by bearing
In the left fixed plate and right fixed plate, the long sliding key shaft of wherein one end is connected with the workpiece plate；The screw slider is adjusted
Device includes leading screw and guide block, and the both ends of the leading screw are mounted on by bearing in the left fixed plate and right fixed plate respectively, institute
The top for stating guide block is connected with the threads of lead screw, and the lower part of the guide block is sleeved on long sliding key shaft, and cylindrical roller and institute
State the lower part linkage of guide block；The axis of the long sliding key shaft, the axis of leading screw are parallel with the busbar of circular cone idler wheel.
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 base of linear screw slide, and the z is mounted on y to linear screw slide
In the slide unit mounting base of linear screw slide.
Further, wherein the long sliding key shaft of one end is connected by yielding coupling with the workpiece plate.
Further, the leading screw left end has interior hexagonal screw hole, for the die nut that leading screw is adjusted manually with it is described
Hexagonal screw hole coordinates.
The cylindrical roller includes steel wheel and rubber, the outer snare rubber of the steel wheel；It is to ensure and circular cone idler wheel
Compression fit increase friction；The circular cone idler wheel is cast iron idler wheel；Be in order to 3 friction fit coefficient of cylindrical rubber idler wheel more
Greatly, further increase friction can also be to circular cone roller surface annular knurl.
Pairing bearing with the cooperation of long sliding key shaft is angular contact bearing, because long sliding key shaft is by axial force and radial load.
The cone angle of the circular cone idler wheel 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.
The beneficial effects of the utility model are mainly manifested in：Can variable speed be realized by simple mechanism, and can
Speed smooth change is realized with manual adjust；Structure is simplified, of low cost；To the workpiece surface under friction speed in grinding and polishing
Matter quantifier elimination has certain meaning.
Description of the drawings
Fig. 1 is the upper grinding device structure chart for the grinding and polishing device that can realize variable speed.
Fig. 2 is the lower grinding device structure chart for the grinding and polishing device that can realize variable speed.
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.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings.
With reference to Fig. 1~Fig. 5, a kind of grinding and polishing device that can realize variable speed, by upper grinding device and lower grinding
Device two parts form.Upper grinding device is from portal frame 18, two-dimensional linear screw slide (y, z to) 17,2 and stepless speed change device
It forms, lower grinding device is made of mounting base 20 and abrasive disk 21.Stepless speed change device is by input motor 3, stepless speed changer
Structure and workpiece plate 13 form.Upper grinding device is mounted on by portal frame 18 on lower grinding device, and stepless speed change device passes through cunning
Platform mounting base 16 is mounted on z in linear screw slide 2, the axis of component leading screw 6 and long sliding key shaft 9 with circular cone idler wheel 15
Busbar it is parallel, installation is complete, and 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 4 band of shaft coupling
Dynamic circular cone idler wheel 15 rotates, and circular cone idler wheel 15 drives cylindrical roller 8 to rotate by rubbing, and cylindrical roller 8 drives matched
Long sliding key shaft 9 rotates, and long sliding key shaft 9 is used as output shaft, by shaft coupling 10 live spindle 11 is driven to rotate, live spindle 11 is logical
Crossing yielding coupling 12 drives the workpiece plate 13 being attached thereto to rotate, and sample to be ground is posted under workpiece plate 13.Pass through rotation
Leading screw 6 drives guide block 7 to be moved axially along leading screw 6, and guide block 7 stirs axial movement of the cylindrical roller 8 along long sliding key shaft 9, into
And the contact position of cylindrical roller 8 and circular cone idler wheel 15 is adjusted, step-less adjustment can be carried out to the rotating speed of workpiece plate 13, passes through y
It is adjusted to screw slide 17 and z to the position of screw slide 2, can realize the multiposition contact of workpiece plate 13 and abrasive disk 21
Grinding.
The rotating ratio u of workpiece plate 13 and input motor 321For：
Wherein：R is 15 big end radius surface of circular cone idler wheel, and r is parallel between long 9 axis of sliding key shaft and 15 busbar of circular cone idler wheel
Distance, h are the screw pitch of leading screw 6, and the angle that Φ leading screws 6 rotate, γ is the semi-cone angle of circular cone idler wheel 15.
It should be appreciated that the above-mentioned specific embodiment of the utility model is used only for exemplary illustration or explains this reality
With new principle, without forming the limitation to the utility model.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.In addition,
The appended claims for the utility model are intended to cover to fall into scope and border or this scope and border
Whole change and modification examples in equivalents.
Claims (8)
1. a kind of grinding and polishing device that can realize variable speed, it is characterised in that：Including upper grinding device and lower grinding dress
It puts, the upper grinding device includes peace by portal frame, two-dimensional linear screw slide and stepless speed changing mechanism, the lower grinding device
Seat and abrasive disk are filled, the stepless speed change device includes input motor, stepless speed changing mechanism and workpiece plate, the upper grinding device
It is mounted on by portal frame on lower grinding device, the workpiece plate is located at the top of abrasive disk and is mutually parallel；The stepless change
Fast mechanism is mounted on by slide unit mounting base in two-dimensional linear screw slide；
The stepless speed changing mechanism includes rack, frictional drive wheel assembly, long sliding key shaft and screw slider adjuster, the rack
Including lower mounting seat, left fixed plate and right fixed plate, the left fixed plate is located at the left side of the lower mounting seat, the right side
Fixed plate is located at the right side of the lower mounting seat；The frictional drive wheel assembly includes circular cone idler wheel and cylindrical roller, described
Circular cone idler wheel coordinates with the cylindrical roller pressing friction, and the both ends of the circular cone idler wheel are mounted on the left side by bearing respectively
In fixed plate and right fixed plate, wherein the shaft of the circular cone idler wheel of one end with it is described input motor output axis connection；The circle
Column idler wheel is by key connection on the long feather key of long sliding key shaft, and the both ends of the long sliding key shaft are respectively by bearing mounted on described
In left fixed plate and right fixed plate, the long sliding key shaft of wherein one end is connected with the workpiece plate；The screw slider adjuster bag
Leading screw and guide block are included, the both ends of the leading screw are mounted on by bearing in the left fixed plate and right fixed plate respectively, described to lead
The top of block is connected with the threads of lead screw, and the lower part of the guide block is sleeved on long sliding key shaft, and cylindrical roller is led with described
The lower part linkage of block；The axis of the long sliding key shaft, the axis of leading screw are parallel with the busbar of circular cone idler wheel.
2. a kind of grinding and polishing device that can realize variable speed as described 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 base connection, the z to linear screw slide be mounted on slide unit from y to linear screw slide install
On seat.
3. a kind of grinding and polishing device that can realize variable speed as claimed in claim 1 or 2, it is characterised in that：Wherein
The long sliding key shaft of one end is connected by yielding coupling with the workpiece plate.
4. a kind of grinding and polishing device that can realize variable speed as described in claim 1, it is characterised in that：The leading screw
Left end has interior hexagonal screw hole, and the die nut and the hexagonal screw hole for being adjusted manually to leading screw coordinate.
5. a kind of grinding and polishing device that can realize variable speed 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 idler wheel is cast iron idler wheel.
6. a kind of grinding and polishing device that can realize variable speed as claimed in claim 1 or 2, it is characterised in that：With length
The pairing bearing of sliding key shaft cooperation is angular contact bearing.
7. a kind of grinding and polishing device that can realize variable speed as claimed in claim 1 or 2, it is characterised in that：It is described
The cone angle of circular cone idler wheel is at 15 °~45 °.
8. a kind of grinding and polishing device that can realize variable speed 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 |
|---|---|---|---|
| CN201721461854.5U CN207431982U (en) | 2017-11-06 | 2017-11-06 | A kind of grinding and polishing device that can realize variable speed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461854.5U CN207431982U (en) | 2017-11-06 | 2017-11-06 | A kind of grinding and polishing device that can realize variable speed |
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| Publication Number | Publication Date |
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| CN207431982U true CN207431982U (en) | 2018-06-01 |
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| CN201721461854.5U Active CN207431982U (en) | 2017-11-06 | 2017-11-06 | A kind of grinding and polishing device that can realize variable speed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015309A (en) * | 2018-08-21 | 2018-12-18 | 浙江工业大学 | A kind of telescopic wheeled polishing tool |
-
2017
- 2017-11-06 CN CN201721461854.5U patent/CN207431982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015309A (en) * | 2018-08-21 | 2018-12-18 | 浙江工业大学 | A kind of telescopic wheeled polishing tool |
| CN109015309B (en) * | 2018-08-21 | 2024-05-03 | 浙江工业大学 | Telescopic wheel type polishing tool |
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