CN207534613U - 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
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- CN207534613U CN207534613U CN201721461120.7U CN201721461120U CN207534613U CN 207534613 U CN207534613 U CN 207534613U CN 201721461120 U CN201721461120 U CN 201721461120U CN 207534613 U CN207534613 U CN 207534613U
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- grinding
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- idler wheel
- splined shaft
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Abstract
A kind of grinding and polishing device with stepless shift function, 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, splined 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 wherein splined shaft of one end is connect with the 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, is related to a kind of grinding with stepless shift function
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, some special rotating speed ratios, such as irrational number are difficult to realize, 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, innovation plane lapping working motion method realizes 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 theory of smooth low injured surface has important theory significance and scientific value.
Invention content
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 with stepless shift function, 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 with stepless shift function, 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, 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 idler wheel and cylindrical roller, institute
It states circular cone idler wheel with the cylindrical roller pressing friction to coordinate, the both ends of the circular cone idler wheel are respectively by bearing mounted on described
In left fixed plate and right fixed plate, wherein the shaft of the circular cone idler wheel of one end with it is described input motor input axis connection；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 connect 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 mounted on the left fixed plate by bearing respectively and the right side is consolidated
On fixed board, the top of the guide block is connect with the threads of lead screw, and the lower part of the guide block is sleeved on splined shaft, and cylinder rolls
It links the lower part of wheel and the guide block；The axis of the splined 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 connect 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 splined shaft of one end is connect 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 splined shaft cooperation is angular contact bearing, because splined 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, and can by simple mechanism
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 of the grinding and polishing device with stepless shift function.
Fig. 2 is the lower grinding 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.
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 with stepless shift function, 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 8 and splined shaft 9 with circular cone idler wheel 14
Busbar is parallel, and 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 6 to rotate by friction, and cylindrical roller 6 drives matched
Splined shaft 9 rotates, and splined shaft 9 is used as output shaft, live spindle 11 is driven 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 idler wheel 6 and circular cone idler wheel 14 can carry out step-less adjustment to the rotating speed of workpiece plate 13, by y to silk
Thick stick slide unit 17 and z are adjusted to the position of screw slide 2, can realize that workpiece plate 13 and the multiposition contact of abrasive disk 21 are ground
Mill.
The rotating ratio u of workpiece plate 13 and input motor 321For：
Wherein：R be 15 big end radius surface of circular cone idler wheel, r between 9 axis of splined shaft and 15 busbar of circular cone idler wheel it is parallel away from
From h is the screw pitch of leading screw 8, and the angle that Φ leading screws 8 rotate, γ is the semi-cone angle of circular cone idler wheel 15.
It should be understood that the above-mentioned specific embodiment of the utility model is used only for exemplary illustration or explains this reality
With novel 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 boundary or this range and boundary
Whole change and modification examples in equivalent form.
Claims (8)
1. a kind of grinding and polishing device with stepless shift function, 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 lower grinding device by portal frame, 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, splined shaft and screw slider adjuster, the rack packet
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 idler wheel and cylindrical roller, the circle
Cone roller coordinates with the cylindrical roller pressing friction, and the both ends of the circular cone idler wheel are mounted on the left side admittedly by bearing respectively
On fixed board and right fixed plate, wherein the shaft of the circular cone idler wheel of one end with it is described input motor input axis connection；The cylinder
The endoporus of idler wheel is internal spline, and the cylindrical roller is sleeved on the splined shaft, and the both ends of the splined shaft pass through axis respectively
It holds in the left fixed plate and right fixed plate, wherein the splined shaft of one end is connect 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 mounted on the left fixed plate and right fixed plate by bearing respectively
On, the top of the guide block is connect with the threads of lead screw, and the lower part of the guide block is sleeved on splined shaft, and cylindrical roller with
The lower part linkage of the guide block；The axis of the splined shaft, the axis of leading screw are parallel with the busbar of circular cone idler wheel.
2. a kind of grinding and polishing device with stepless shift function 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 with stepless shift function as claimed in claim 1 or 2, it is characterised in that：Wherein
The splined shaft of one end is connect by yielding coupling with the workpiece plate.
4. a kind of grinding and polishing device with stepless shift function 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 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 idler wheel is cast iron idler wheel.
6. a kind of 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 of key axis cooperation is angular contact bearing.
7. a kind of 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 idler wheel is at 15 °~45 °.
8. a kind of 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 |
|---|---|---|---|
| CN201721461120.7U CN207534613U (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 |
|---|---|---|---|
| CN201721461120.7U CN207534613U (en) | 2017-11-06 | 2017-11-06 | A kind of grinding and polishing device with stepless shift function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207534613U true CN207534613U (en) | 2018-06-26 |
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ID=62612371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721461120.7U Active CN207534613U (en) | 2017-11-06 | 2017-11-06 | A kind of grinding and polishing device with stepless shift function |
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| CN (1) | CN207534613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400107A (en) * | 2021-06-22 | 2021-09-17 | 陈日裕 | Scissor blade grinding device convenient to adjust grinding speed and improve work efficiency |
-
2017
- 2017-11-06 CN CN201721461120.7U patent/CN207534613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400107A (en) * | 2021-06-22 | 2021-09-17 | 陈日裕 | Scissor blade grinding device convenient to adjust grinding speed and improve work efficiency |
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