CN109719587A - Change the polishing mechanism of eccentricity value and transmission ratio-variable by thread lead screw - Google Patents
Change the polishing mechanism of eccentricity value and transmission ratio-variable by thread lead screw Download PDFInfo
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- CN109719587A CN109719587A CN201811537146.4A CN201811537146A CN109719587A CN 109719587 A CN109719587 A CN 109719587A CN 201811537146 A CN201811537146 A CN 201811537146A CN 109719587 A CN109719587 A CN 109719587A
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Abstract
The invention discloses the polishing mechanism for changing eccentricity value and transmission ratio-variable by thread lead screw, including shell, bottom is fixed with guide rail slide block mechanism, firm banking on sliding block in shell, and base top is stamped top cover, rotation connection shaft between top cover and shell.The bearing for being fixed with the freewheel clutch being mounted in gear in slide unit shaft and being mounted in thrust supporting plate, thrust supporting plate are fixed on the base；Slide unit two sides are fixed in counter-weight flywheel by guide rail slide block mechanism, fixed thread lead screw among counter-weight flywheel and slide unit, counter-weight flywheel upper end connect retarder, fix servo motor on retarder, retarder is fixed on connecting flange, and connecting flange is fixed on the shell.Shaft is fixed there are three gear, and spline mother is fixed on bottom in pedestal, and gear is fixed on spline mother, and cylinder connection piece is fixed in pedestal, and low rubbing cylinder is fixed on cylinder connection piece.Space can substantially be saved using this structure, mitigate weight, Precision Machining is suitble to use.
Description
Technical field
The present invention relates to robotic technology fields, and in particular to one kind changes eccentricity value by thread lead screw and transmission ratio can
The polishing mechanism of change.
Background technique
With scientific and technological progress and economic development, society is to aspherical optical element, especially aperture aspherical high-precision
The demand of optical element is growing day by day, and the most precision of existing polishing mechanism is not high, and dynamic property is not sufficiently stable, it is difficult to full
Sufficient optical element Ultra-precision Turning requirement, and polishing range and speed are all unadjustable during the polishing process.It is right around society
Non-spherical element high efficiency, high reliability, the process requirements of engineering, the present invention polish aperture aspherical robot ' NC
Mechanism optimizes research.
Application No. is 201410695226.8 Chinese patents to disclose a kind of " eccentric adjustable automatic polishing dress of advanceable
Set ", which includes supporting mechanism, feed mechanism and eccentric adjustable polishing mechanism.Overall structure is exposed outside, polishing operation mistake
The a large amount of dust generated in journey can run mechanism and produce bigger effect, while entire mechanism is driven using three motors,
The degree of modularity is low, and compact-sized degree is low, eccentric to adjust without Par value.
Application No. is 201810233223.0 Chinese patents to disclose " a kind of eyeglass polishing machine ", which includes machine
Bed, working bin, axle bed, the structures such as bistrique, while there are pressure sensor systems, structure is complicated, polishing nozzle for liquid and bistrique point
It opens, integrated degree is low, while processable eyeglass radius is too small, is against eyeglass by using thimble and processes on bistrique
Mode is unable to satisfy the required precision of slightly higher resolution optical equipment.
Summary of the invention
The purpose of the present invention is to provide a kind of polishing mechanism for changing eccentricity value and transmission ratio-variable by thread lead screw,
Mechanism uses counter-weight flywheel, thread lead screw, Mobile Slide, train, and the structures such as freewheel clutch realize the inclined of polishing mechanism
Center value adjustment and ratio changing, while when needing to adjust eccentric, operation is simple, improves the operational efficiency of polishing mechanism, and
Machining accuracy is improved, meets the needs of society carries out high-precision processing to aperture aspherical element.
The technical scheme is that
Change the polishing mechanism of eccentricity value and transmission ratio-variable, including cylindrical outer casing by thread lead screw, inside the shell bottom
Two guide rail mounting grooves are provided on wall along longitudinal direction, longitudinal rail slide block structure are installed in the guide rail mounting groove, in institute
It is fixed with connecting plate on the sliding block for the longitudinal rail slide block structure stated, cross slide way slide block knot is installed on the connecting plate
Structure, the guide rail of longitudinal rail slide block structure and the guide rail of cross slide way slide block structure are positioned orthogonally to one another, in the shell
Open there are two arc mounting groove on side wall along casing circumference direction is opposite, the left end of pedestal pass through two arc mounting grooves place and
The bottom wall of the pedestal and the sliding block of cross slide way slide block structure are fixedly linked, and expose the top surface of casing part in the pedestal
On be fixed with pedestal top cover；
It is fixed with connecting flange on the shell, is equipped in the connecting flange side and connects with series-parallel robot end
The screw hole connect is fixed with servo motor, the rotary shaft edge of the servo motor among the connecting flange top surface
Vertical direction setting and with the input shaft of retarder is concentric is fixedly linked；
The retarder is fixedly connected on connecting flange by screw, and the retarder end face passes through screw
It is fixedly linked with counter-weight flywheel, among the counter-weight flywheel bottom surface inwardly and the sliding block sliding side of guide rail slide block structure along longitudinal direction
To mounting groove is provided with, it is sliding that the longitudinal direction on the front-rear side walls of the mounting groove along mounting groove is fixedly installed with internal guide rail respectively
The sliding block of block structure is respectively fixed with and the internal guide rail slide block structure of corresponding side on the front-rear side walls of a Mobile Slide
The internal guide rail that sliding block is slidably connected has among the Mobile Slide top surface and among the bottom surface of counter-weight flywheel
Semi-cylindrical lead screw mounting hole, two semi-cylindrical lead screw mounting holes form a cylindrical lead screw mounting hole, in cylindrical wire
A piece thread lead screw is installed in the horizontal direction in thick stick mounting hole, is set in the semi-cylindrical lead screw inner wall of the hole installing of Mobile Slide
It is equipped with the internal screw thread that cooperation is engaged with thread lead screw, the left end of the thread lead screw is connected with a disk rotational, described
Disk is fixed in counter-weight flywheel left wall；
Be provided with slide unit shaft along the vertical direction among the Mobile Slide bottom wall, the slide unit shaft from up to
Under sequentially pass through the bearing being mounted in thrust supporting plate and upper freewheel clutch and lower freewheel clutch, the slide unit shaft
It is rotatedly connected with bearing, the slide unit shaft is fixedly linked respectively with upper freewheel clutch and lower freewheel clutch, the axis
It holds top surface and compresses and be arranged under the shaft shoulder of slide unit shaft, the thrust supporting plate is fixedly connected with pedestal by screw, described
The bottom surface of bearing is separated with upper freewheel clutch by sleeve, and first gear is fixed on the lower freewheel clutch outer ring,
Second gear is fixed on the upper freewheel clutch outer ring, and upper freewheel clutch is turned by being mounted on the slide unit of Mobile Slide
Sleeve on axis is separated with lower freewheel clutch, and lower freewheel clutch passes through the sleeve being mounted on the base and realizes axial restraint,
The direction of the lower freewheel clutch and first gear connection is contrary with the connection of upper freewheel clutch and second gear
So that the upper freewheel clutch and second gear engagement or the state disconnected are under when the slide unit shaft rotation of Mobile Slide
Freewheel clutch and first gear engagement or the state disconnected are opposite；
Between the bottom plate and base plate top cover of the pedestal above and below the shaft that is longitudinally provided with of pedestal, the shaft
Both ends pass through bearing respectively and the bottom plate and base plate top cover of pedestal is rotatablely connected, and lead to respectively in the lower end of the shaft and middle part
Crossing key connection has third gear, the 4th gear, is separated between the third gear and the 4th gear by the shaft shoulder in shaft,
The third gear passes through the boss that is set on the base and carries out axially position, and the 5th gear is fixedly connected on the by screw
Above four gear tops, second gear will drive the 4th gear simultaneously and rotate and be driven backward when engaging with the 5th gear, described
Second gear and first gear respectively with the 5th gear and third gear engaged transmission；
6th gear is engaged with the 4th gear, and the 6th gear is fixed on swing roller spline by long spiro nail
On spline mother, the spline mother is fixed on the base by flange outer ring, the flower for the swing roller spline being arranged along the vertical direction
Key axis is engaged with the spline mother, and base connector is fixed by screws on the pedestal, the base connector top
Face is connected by boss with low rubbing cylinder, and the output shaft of the low rubbing cylinder is fixedly connected with the upper end of the splined shaft.
Present invention has an advantage that polishing mechanism adjusts the inclined of Mobile Slide axis and electrical axis by threading lead screw
The bias quickly adjustment of entire polishing process may be implemented in heart distance.Entire mechanism is all made of gear engaged transmission, space utilization
More sufficiently.Mechanism uses freewheel clutch, is realized by the positive and negative dress of freewheel clutch on the rotating forward reversion of motor and axis
The work and disconnection of different drive paths distribute the number of gear teeth on drive path according to actual needs, are not required to disassembly change knot
Different ratio transmissions can be realized in structure.It designs simple and reliable, while greatly improving working efficiency, suitable actual production makes
With.
Counter-weight flywheel two sides can add external detachable balance weight block, and design has hollow placement lead structure in pedestal, lead to
It crosses dynamic balancing static balance and calculates the reasonable weight of placement, keep polishing mechanism mass motion steady, guarantee high manufacturing accuracy.
Detailed description of the invention
Fig. 1 is the decomposition diagram of the internal structure of polishing mechanism described in the present embodiment；
Fig. 2 is the elevational schematic view of polishing mechanism top cover described in the present embodiment；
Fig. 3 is the decomposition diagram of the drive mechanism of polishing mechanism described in the present embodiment；
Fig. 4 is the shell of polishing mechanism described in the present embodiment and the schematic top plan view of cross guide rail assembly；
Fig. 5 is the whole assembly signal of the removal shell of polishing mechanism described in the present embodiment and pedestal top cover, connecting flange
Figure；
Fig. 6 is the eccentric adjustment Standard schematic diagram of polishing mechanism described in the present embodiment；
Fig. 7 is the eccentric adjustment structural profile illustration of polishing mechanism described in the present embodiment.
Fig. 8 is the whole assembling schematic diagram of polishing mechanism described in the present embodiment.
Specific embodiment
To facilitate the understanding of the present invention, the present invention is explained in detail with specific installment work mode with reference to the accompanying drawing
It states.Better embodiment of the invention is given in attached drawing.But the invention can be realized in many different forms, and
It is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making in disclosure of the invention
Hold the more thorough and comprehensive of understanding.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes, it is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
The polishing mechanism of the invention for changing eccentricity value and transmission ratio-variable by thread lead screw as shown in drawings, including
Cylindrical outer casing 27 is provided with two guide rail mounting grooves along longitudinal direction in 27 inner bottom wall of shell, installs in the guide rail mounting groove
There is longitudinal rail slide block structure, connecting plate 15 is fixed on the sliding block of the longitudinal rail slide block structure, in the company
Cross slide way slide block structure, the guide rail 14 of longitudinal rail slide block structure and leading for cross slide way slide block structure are installed on fishplate bar 15
Rail is positioned orthogonally to one another, and along casing circumference direction, with respect to opening, there are two arc mounting groove, bottoms on the side wall of the shell 27
The left end of seat 26 passes through the bottom wall and the sliding block of cross slide way slide block structure of two arc mounting grooves placements and the pedestal 26
It is fixedly linked.Pedestal top cover 28 is fixed on the top surface that the pedestal 26 exposes 27 part of shell.
It is fixed with connecting flange 25 on the shell 27, is equipped with and series-parallel robot in 25 side of connecting flange
The screw hole of end connection.Robot can be moved in certain space with band polishing machine structure, be pushed up in the connecting flange 25
Servo motor 1 is fixed among face, the rotary shaft of the servo motor 1 is arranged along the vertical direction and the input with retarder 2
Axis is concentric to be fixedly linked.
The preferred retarder is using accurate planetary reducer, its advantage is that small in size, light-weight, carrying energy
The characteristics of power is high, and long service life, smooth running, noise is low, output torque is big, and speed ratio is big, high-efficient, performance safety.It has both
The private characteristic of power dividing, multi-tooth meshing.
The retarder 2 is fixedly connected on connecting flange 25 by screw, and 2 end face of retarder passes through
Screw is fixedly linked with counter-weight flywheel 3, among 3 bottom surface of counter-weight flywheel inwardly and the sliding block of guide rail slide block structure along longitudinal direction
Glide direction is provided with mounting groove, and the longitudinal direction on the front-rear side walls of the mounting groove along mounting groove is fixedly installed with inside respectively
The sliding block of guide rail slide block structure is respectively fixed with sliding with the internal guide rail of corresponding side on the front-rear side walls of a Mobile Slide 5
The internal guide rail that the sliding block of block structure is slidably connected, among 5 top surface of Mobile Slide and in the bottom surface of counter-weight flywheel 3
Between have a semi-cylindrical lead screw mounting hole, two semi-cylindrical lead screw mounting holes form a cylindrical lead screw mounting holes,
A piece thread lead screw 4 is installed in the horizontal direction in cylindrical lead screw mounting hole, is pacified in the semi-cylindrical lead screw of Mobile Slide 5
The internal screw thread that cooperation is engaged with thread lead screw 4, the left end of the thread lead screw 4 and a disk 29 are provided on dress hole inner wall
It is rotatedly connected, the disk 29 is fixed in 3 left wall of counter-weight flywheel.Preferably convenient for rotation thread lead screw 4, described
A Hexagon hole is provided among the left end of thread lead screw 4.
It is provided with slide unit shaft 10 along the vertical direction among 5 bottom wall of Mobile Slide, it is described in initial position
The axis of slide unit shaft 10 be overlapped with electrical axis, eccentric distance zero passes through the interior hexagonal of tool threading screw head
Hole, so that thread lead screw rotates, Mobile Slide 5 is connect by the screw thread at center with thread lead screw 4, because thread lead screw 4 passes through circle
Disk 29 is rotatably connected in counter-weight flywheel 3 and can not slide, therefore Mobile Slide will mobile corresponding distance.
The slide unit shaft 10 sequentially pass through from top to bottom the bearing 6 being mounted in thrust supporting plate 7 and on surmount from
Clutch 8 and lower freewheel clutch 11, the slide unit shaft 10 are rotatedly connected with bearing 6, and the slide unit shaft 10 surpasses with upper
More clutch 8 and lower freewheel clutch 11 is fixedly linked respectively.6 top surface of bearing compresses the shaft shoulder that slide unit shaft 10 is arranged in
Under, the thrust supporting plate 7 is fixedly connected with pedestal 26 by screw, and the bottom surface of the bearing 6 and upper freewheel clutch are logical
It crosses sleeve to separate, first gear 12 is fixed on 11 outer ring of lower freewheel clutch, and second gear 9 is fixed on described upper
On 8 outer ring of freewheel clutch, upper freewheel clutch 8 is surmounted under by the sleeve being mounted in the slide unit shaft 10 of Mobile Slide
Clutch 11 separates, and lower freewheel clutch 11 passes through the sleeve being mounted on the base and realizes axial restraint.Surmount under described from
The direction that clutch 11 and first gear 12 connect is contrary with the connection of upper freewheel clutch 8 and second gear 9 so that mobile
When the slide unit shaft 10 of slide unit rotates, the upper freewheel clutch 8 and the engagement of second gear 9 or the state disconnected surmount under
The state that clutch 11 is engaged or disconnected with first gear 12 is opposite.
Preferably upper freewheel clutch and lower freewheel clutch are all made of Wedge type over running clutch (commercially available), voussoir
Formula freewheel clutch is the device for having voluntarily clutch function using the transformation of the direction of rotation of driving and driven part, on Wedge-type
Freewheel clutch passes through key and is connected with slide unit shaft 10 under freewheel clutch and Wedge-type.The first gear 12 and voussoir
Pass through the wedge connection being arranged in the groove that the two is oppositely arranged, second gear 9 and Wedge-type under formula between freewheel clutch
It is connected between upper freewheel clutch also by the wedge being arranged in the groove that the two is oppositely arranged.Freewheel clutch under Wedge-type
It is contrary with the connection of freewheel clutch on Wedge-type and first gear 12 so that mobile with the direction connected of first gear 12
When slide unit axis rotates, surmount under freewheel clutch and first gear engagement or the state and Wedge-type that disconnect on the Wedge-type
Clutch and the engagement of first gear 12 or the state disconnected are opposite.So that top second gear 9 and lower section first gear 12
The work of two drive paths or disconnection passed, the variable ratio of implementation mechanism.Certain freewheel clutch can also use
Roller ball type clutch etc..
The second gear and first gear respectively with the 5th gear 18 and the engaged transmission of third gear 16.
Shaft 19, the shaft are longitudinally provided with along pedestal between the bottom plate and base plate top cover 28 of the pedestal 26
19 upper and lower ends pass through bearing respectively and the bottom plate and base plate top cover of pedestal is rotatablely connected.In the lower end of the shaft in
Portion has been connected by key third gear 16, the 4th gear 17 respectively, passes through between the third gear 16 and the 4th gear 17
The shaft shoulder in shaft 19 separates, and the third gear 16 passes through the boss being set on the base and carries out axially position, the 5th tooth
Wheel 18 is fixedly connected on 17 top face of the 4th gear by screw, simultaneously can band when second gear 9 is engaged with the 5th gear 18
Dynamic 4th gear 17 rotates simultaneously to be driven backward, the second gear and first gear respectively with the 5th gear 18 and third gear
16 engaged transmissions.
6th gear 22 is engaged with the 4th gear 17, and the 6th gear 22 is fixed on swing roller by long spiro nail
On the spline mother 23 of spline.The spline mother 23 is fixed on base plate 26 by flange outer ring.The rotation being arranged along the vertical direction
The splined shaft 24 of ball spline is engaged with the spline mother 23.The working principle of swing roller spline is by making and splined shaft
The spline mother 23 of 24 engagements rotates, so that splined shaft 24 rotates, the end of splined shaft 24 is used to connect executive component, so that
The executive components such as the polishing disk of 24 end of splined shaft connection are rotated, its advantage is that direction of rotation zero clearance, Gao Dingwei
Precision.High-speed motion is adapted to, operation is smooth, and work noise is low, simple installation, saves space.
Base connector 21 is fixed by screws on the pedestal 26, and 21 top surface of base connector passes through boss
Be connected with low rubbing cylinder 20, the low rubbing cylinder is commercially available, and internal structure is mature, its working principle is that by up and down into
The air inlet and exhaust of port push internal structure to move up and down in stroke, small with resistance to sliding, move smoothly special
Point, while certain power output can be kept, especially suitable for lens, the sanding and polishing occasion of glass etc..The low friction gas
The output shaft of cylinder 20 is fixedly connected with the upper end of the splined shaft 24, so that the executive component of 24 end of splined shaft connection can
To move up and down in certain stroke.
Preferred counter-weight flywheel 3 of the invention is semicircle dish type, and structure is simple, while can according to need additional counterweight,
Meet actual production requirement.
The course of work of polishing mechanism of the invention are as follows: entire polishing mechanism is driven by servo motor, servo motor output
Torque, torque are transferred to counter-weight flywheel by retarder, and thread lead screw, Mobile Slide are fixedly connected with counter-weight flywheel therefore can be synchronous
Rotation.In initial position, the axis of Mobile Slide and motor output shaft are concentric, eccentricity value zero, real by threading lead screw 4
Existing eccentric distance is adjustable, and thrust supporting plate 7 is installed on base plate 26, and Mobile Slide axis upper end pushes thrust supporting plate 7 by bearing, into
And it is flat to drive entire pedestal and end rubbing head to realize by the cross guide rail and guide rail slide block that are mounted on 27 inner bottom surface of shell
Translation on face.It is positive and negative respectively in the first gear and second gear in Mobile Slide shaft 19 to fill a freewheel clutch,
When motor rotates forward, second gear disconnects under freewheel clutch effect, and torque is by retarder, counter-weight flywheel, thread lead screw,
Mobile Slide, first gear 12, third gear 16, the 4th gear 17 and key are transferred to shaft 19, the 4th gear and the 6th gear
Engaged transmission, the 6th gear drive the rotation of end spline to realize a kind of transmission of transmission ratio, when motor reversal, the first tooth
Wheel disconnects under freewheel clutch effect, and second gear engagement rotation transmits torque to junior, drives spline rotation, realizes another
The transmission of transmission ratio.
In actual installation use process, motor reducer is first coupled on connecting flange, and counter-weight flywheel from bottom to top leads to
Cross screw and be installed to retarder end, Mobile Slide is fixedly connected by two sides guide rail slide block with counter-weight flywheel, Mobile Slide with
Thread lead screw is installed between counter-weight flywheel, adjusts eccentric distance by adjusting thread lead screw, pedestal is placed across shell
On guide rail slide block, shaft in pedestal, which is assembled, to be completed, the first, second gear be well placed after by above-mentioned motor reducer, connection
Flange, counter-weight flywheel, adjusting screw, Mobile Slide penetrate in the first, second gear after the assembly is completed as a whole, will even
Acting flange is connected on shell, and finally pedestal end cap is connected on pedestal.
Each technical characteristic of embodiment described above can carry out any combination, to make to describe brief introduction, not to above-mentioned implementation
The all possible combination of each technical characteristic in example is all described, as long as however, the combination of these technical characteristics is not present
Contradiction all should be considered as described in this specification.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to institutes
The specific embodiment stated, the specific embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
To make several modifications and improvements, within these are all belonged to the scope of protection of the present invention.Therefore, the scope of protection of the patent of the present invention
It should be determined by the appended claims.
Claims (5)
1. changing the polishing mechanism of eccentricity value and transmission ratio-variable, including cylindrical outer casing (27) by thread lead screw, feature exists
In: it is provided with two guide rail mounting grooves on bottom wall along longitudinal direction inside the shell, longitudinal rail is installed in the guide rail mounting groove
Slide block structure is fixed with connecting plate (15) on the sliding block of the longitudinal rail slide block structure, pacifies on the connecting plate
Equipped with cross slide way slide block structure, the guide rail (14) of longitudinal rail slide block structure and the guide rail of cross slide way slide block structure hang down each other
Straight to place, along casing circumference direction, with respect to opening, there are two arc mounting groove, pedestals (26) on the side wall of the shell (27)
Left end pass through two arc mounting grooves and place and the sliding block stationary phase of the bottom wall of the pedestal and cross slide way slide block structure
Even, pedestal top cover (28) are fixed on the top surface that the pedestal exposes casing part；
It is fixed with connecting flange (25) on the shell, is equipped in the connecting flange side and connects with series-parallel robot end
The screw hole connect is fixed with servo motor (1), the rotary shaft of the servo motor among the connecting flange top surface
Along the vertical direction setting and with the input shaft of retarder (2) is concentric is fixedly linked；
The retarder (2) is fixedly connected on connecting flange (25) by screw, and the retarder end face passes through
Screw is fixedly linked with counter-weight flywheel (3), among the counter-weight flywheel bottom surface inwardly and the cunning of guide rail slide block structure along longitudinal direction
Block glide direction is provided with mounting groove, and the longitudinal direction on the front-rear side walls of the mounting groove along mounting groove is fixedly installed with interior respectively
The sliding block of portion's guide rail slide block structure is respectively fixed on the front-rear side walls of a Mobile Slide (5) and leads with the inside of corresponding side
The internal guide rail that the sliding block of rail slide block structure is slidably connected, among the Mobile Slide top surface and the bottom surface of counter-weight flywheel
Centre has semi-cylindrical lead screw mounting hole, and two semi-cylindrical lead screw mounting holes form a cylindrical lead screw installation
Hole is equipped with a thread lead screw (4), in the semi-cylindrical silk of Mobile Slide in the horizontal direction in cylindrical lead screw mounting hole
The internal screw thread that cooperation is engaged with thread lead screw, the left end of the thread lead screw and a disk are provided in thick stick inner wall of the hole installing
(29) it is rotatedly connected, the disk is fixed in counter-weight flywheel left wall；
Be provided with along the vertical direction slide unit shaft (10) among described Mobile Slide (5) bottom wall, the slide unit shaft from
The bearing (6) being mounted in thrust supporting plate (7) and upper freewheel clutch (8) and lower freewheel clutch are sequentially passed through under
(11), the slide unit shaft is rotatedly connected with bearing, the slide unit shaft and upper freewheel clutch and lower freewheel clutch
It is fixedly linked respectively, the bearing top surface, which compresses, to be arranged under the shaft shoulder of slide unit shaft, and the thrust supporting plate passes through with pedestal
Screw is fixedly connected, and the bottom surface of the bearing is separated with upper freewheel clutch by sleeve, and first gear (12) is fixed on institute
On the lower freewheel clutch outer ring stated, second gear (9) is fixed on the upper freewheel clutch outer ring, upper freewheel clutch
It is separated by the sleeve and lower freewheel clutch that are mounted in the slide unit shaft of Mobile Slide, lower freewheel clutch is by being mounted on
Sleeve on pedestal realizes axial restraint, and the direction that the lower freewheel clutch (11) and first gear (12) connect surpasses with upper
The connection of more clutch (8) and second gear (9) is contrary so that when the slide unit shaft rotation of Mobile Slide, described upper super
The state phase that the state that more clutch and second gear are engaged or disconnected is engaged or disconnected with lower freewheel clutch and first gear
Instead；
Being longitudinally provided with shaft (19) along pedestal between the bottom plate and base plate top cover of the pedestal, the shaft up and down
Both ends pass through bearing respectively and the bottom plate and base plate top cover of pedestal is rotatablely connected, and lead to respectively in the lower end of the shaft and middle part
Crossing key connection has third gear (16), the 4th gear (17), by shaft between the third gear and the 4th gear
The shaft shoulder separates, and the third gear passes through the boss being set on the base and carries out axially position, and the 5th gear is solid by screw
Surely it is connected to above the 4th gear top, when second gear (9) is engaged with the 5th gear (18) while will drive the 4th gear turn
It is dynamic and be driven backward, the second gear and first gear respectively with the 5th gear and third gear engaged transmission；
6th gear (22) is engaged with the 4th gear, and the 6th gear is fixed on swing roller spline by long spiro nail
On spline mother (23), the spline mother is fixed on the base by flange outer ring, the swing roller spline being arranged along the vertical direction
Splined shaft (24) engaged with the spline mother, base connector (21) is fixed by screws on the pedestal, described
Base connector top surface is connected by boss with low rubbing cylinder (20), the output shaft of the low rubbing cylinder and the splined shaft
(24) upper end is fixedly connected.
2. the polishing mechanism according to claim 1 for changing eccentricity value and transmission ratio-variable by thread lead screw, feature
Be: the retarder is using accurate planetary reducer.
3. the polishing mechanism according to claim 1 or 2 for changing eccentricity value and transmission ratio-variable by thread lead screw,
It is characterized in that: being provided with a Hexagon hole among the left end of the thread lead screw.
4. the polishing mechanism according to claim 3 for changing eccentricity value and transmission ratio-variable by thread lead screw, feature
Be: the counter-weight flywheel is semicircle dish type.
5. the polishing mechanism according to claim 4 for changing eccentricity value and transmission ratio-variable by thread lead screw, feature
Be: the upper freewheel clutch and lower freewheel clutch are all made of Wedge type over running clutch, overdrive clutch on Wedge-type
Freewheel clutch passes through key and is connected with Mobile Slide shaft under device and Wedge-type, surmounts under the first gear and Wedge-type
Pass through the wedge connection being arranged in the groove that the two is oppositely arranged, second gear and overdrive clutch on Wedge-type between clutch
It is connected between device also by the wedge being arranged in the groove that the two is oppositely arranged, freewheel clutch and first gear under Wedge-type
The direction of connection it is contrary with the connection of freewheel clutch on Wedge-type and first gear so that Mobile Slide shaft rotate when,
Freewheel clutch and first under freewheel clutch and first gear are engaged or disconnected on the Wedge-type state and Wedge-type
Gear engagement or the state disconnected are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537146.4A CN109719587B (en) | 2018-12-14 | 2018-12-14 | Polishing mechanism with variable transmission ratio and eccentric value changed through threaded lead screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537146.4A CN109719587B (en) | 2018-12-14 | 2018-12-14 | Polishing mechanism with variable transmission ratio and eccentric value changed through threaded lead screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109719587A true CN109719587A (en) | 2019-05-07 |
| CN109719587B CN109719587B (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811537146.4A Active CN109719587B (en) | 2018-12-14 | 2018-12-14 | Polishing mechanism with variable transmission ratio and eccentric value changed through threaded lead screw |
Country Status (1)
| Country | Link |
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| CN (1) | CN109719587B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157526A (en) * | 2020-09-28 | 2021-01-01 | 中国科学院光电技术研究所 | Flat-rotating polishing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2164341Y (en) * | 1993-05-29 | 1994-05-11 | 刘九珠 | Planetary light decoration machine |
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| CN107336105A (en) * | 2017-07-19 | 2017-11-10 | 天津大学 | A kind of compact-sized planetary polishing device |
| CN107414631A (en) * | 2017-08-17 | 2017-12-01 | 天津大学 | Aperture aspherical robot eccentric planetary burnishing device |
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| CN2164341Y (en) * | 1993-05-29 | 1994-05-11 | 刘九珠 | Planetary light decoration machine |
| JP2000015554A (en) * | 1998-07-01 | 2000-01-18 | Nisshin Seisakusho:Kk | Oscillation device for honing grinding wheel and honing device |
| CN2406770Y (en) * | 1999-12-13 | 2000-11-22 | 黄计高 | Clutch for polish wheel of polisher |
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| CN103286661A (en) * | 2013-05-06 | 2013-09-11 | 广州市敏嘉制造技术有限公司 | Grinder for grinding cycloidal gear |
| CN106736880A (en) * | 2016-12-28 | 2017-05-31 | 沪东重机有限公司 | For the milling tool and method of combustion gas control block inverted cone bottom of chamber sealing surface |
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| CN107414631A (en) * | 2017-08-17 | 2017-12-01 | 天津大学 | Aperture aspherical robot eccentric planetary burnishing device |
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| CN112157526A (en) * | 2020-09-28 | 2021-01-01 | 中国科学院光电技术研究所 | Flat-rotating polishing device |
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