CN109664178A - Change the polishing mechanism of eccentricity value and transmission ratio-variable by eccentric adjusting block - Google Patents
Change the polishing mechanism of eccentricity value and transmission ratio-variable by eccentric adjusting block Download PDFInfo
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- CN109664178A CN109664178A CN201811537155.3A CN201811537155A CN109664178A CN 109664178 A CN109664178 A CN 109664178A CN 201811537155 A CN201811537155 A CN 201811537155A CN 109664178 A CN109664178 A CN 109664178A
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- shaft
- gear
- fixed
- freewheel clutch
- pedestal
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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
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
- B24B41/042—Balancing mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- 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
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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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses the polishing mechanisms for changing eccentricity value and transmission ratio-variable by eccentric adjusting block, including shell, bottom is fixed with guide rail slide block mechanism in shell, firm banking on sliding block, base top is fixed with top cover, rotation connection first between top cover and shell, second, third shaft, first pulley upper surface connects lower table, the fixed eccentric adjusting block of lower table and upper table side, upper table upper surface connects retarder, servo motor is fixed on retarder, outer casing top surface is fixed with end cap, connecting flange is fixed on end cap, first rotating shaft is fixed with belt wheel, freewheel clutch, gear, second shaft is fixed, and there are two gears, third shaft is fixed from bottom to top, and there are two gears, ball spline mother is fixed on bottom in pedestal, the upper fixed pulley of ball spline mother and gear, cylinder connection piece is fixed in pedestal, gas Low rubbing cylinder is fixed on cylinder connector.Working efficiency can be greatly improved using this structure, actual production is suitble to use.
Description
Technical field
The present invention relates to robotic technology fields, and in particular to one kind changes eccentricity value and transmission ratio by eccentric adjusting block
Variable polishing mechanism.
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 machines for changing eccentricity value and transmission ratio-variable by eccentric adjusting block
Structure, mechanism operation when needing to adjust eccentric is simple, improves the operational efficiency of polishing mechanism, and improve machining accuracy,
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 eccentric adjusting block, described
Cover top portion is equipped with closure head, two guide rail mounting grooves is provided with along longitudinal direction in the shell inner bottom wall, described
Longitudinal rail slide block structure is installed in guide rail mounting groove, is fixed with connection on the sliding block of the longitudinal rail slide block structure
Plate, is equipped with cross slide way slide block structure on the connecting plate, and the guide rail and cross slide way of longitudinal rail slide block structure are sliding
The guide rail of block structure is positioned orthogonally to one another, and along casing circumference direction, with respect to opening, there are two arcs to pacify on the side wall of the shell
Tankage, the left end of pedestal pass through the bottom wall and the cunning of cross slide way slide block structure of two arc mounting grooves placements and the pedestal
Block is fixedly linked, and is fixed with pedestal top cover on the top surface that the pedestal exposes casing part；
It is fixed with L shape connecting flange on the closure head, is provided on the vertical plane of connecting flange and mixed connection machine
The centre bore of device people end connection is fixed with servo motor, the servo among the horizontal plane of the connecting flange
The rotary shaft of motor be arranged along the vertical direction and with the input shaft of retarder is concentric is fixedly linked；
The retarder and closure head is fixedly linked by screw, the retarder end face by screw with
Counter-weight flywheel is fixedly linked, and the counter-weight flywheel bottom end is fixed among upper table, and lower table and the upper table are logical
Crossing oat tail groove structure opposite can be slidably connected, and the vertical section of a L shape eccentric adjusting block becomes placed against with upper table side wall
And the setting so that upper and lower workbench is staggered that the end of the horizontal segment of L shape eccentric adjusting block and lower table side wall hold out against setting
The horizontal segment of distance, the L shape eccentric adjusting block is fixedly connected with lower table, the L shape eccentric adjusting block it is vertical
Section is fixedly connected with upper table；
The top boss of first pulley is mounted in the groove among the lower table bottom and connects by the way that screw is fixed
It connects, the lower end of the wheel shaft of the first pulley is mounted on the base by bearing；
The first pulley is connected by the first synchronous toothed belt with the second belt wheel；
Along the longitudinal direction of pedestal successively between left and right every being rotatably equipped with first between the bottom plate and base plate top cover of the pedestal
The upper and lower ends of shaft, the second shaft and third shaft, second shaft of first rotating shaft and third shaft are led to respectively
The bottom plate and base plate top cover for crossing bearing and pedestal is rotatablely connected；
Successively be fixed with from bottom to up in the first rotating shaft the second belt wheel, lower freewheel clutch and on surmount from
Clutch, first gear are fixed on the upper freewheel clutch outer ring, and upper freewheel clutch is by being mounted in first rotating shaft
Sleeve separated with lower freewheel clutch, the lower freewheel clutch and third belt wheel connection direction and upper freewheel clutch
It is contrary with the connection of first gear so that first rotating shaft rotate when, the upper freewheel clutch and first gear engagement or
The state of disconnection is opposite with lower freewheel clutch and the engagement of third belt wheel or the state disconnected.
Third gear, second gear have been connected by key respectively in the lower part of second shaft and top, second turn
It is separated by between the bearing and third gear of axis bottom by the axle sleeve being mounted in the second shaft, the third gear and
It is separated by between two gears by the axle sleeve being mounted in the second shaft, the first gear and second gear engagement cooperation；
4th gear is mounted on the shaft shoulder of third shaft lower end by key, and the 4th gear is mutually nibbled with third gear
It closes, the 4th gear upper surface is separated by by axle sleeve with the 5th gear for being mounted on third shaft upper end, and the 5th gear passes through
Key is connect with third shaft；
6th gear is engaged with the 5th gear, and the 4th belt wheel and the third belt wheel pass through the second timing belt phase
Even；
6th gear and the 4th belt wheel are fixed on the spline mother of rotary ball spline by long spiro nail, the flower
Key mother is fixed on the base by flange outer ring, the splined shaft for the rotary ball spline being arranged along the vertical direction and the flower
Key mother engagement, base connector are fixed by screws on the pedestal, and the base connector top surface passes through boss and low
The cylinder that rubs is connected, and the output shaft of the low rubbing cylinder is fixedly connected with the upper end of splined shaft, so that spline shaft end
The executive component of connection can move up and down in certain stroke.
Present invention has an advantage that polishing mechanism adjusts the eccentricity of upper lower table by different eccentric adjusting blocks
From, the eccentric definite value of entire polishing process may be implemented, can adjust, while the design of eccentric adjusting block is outside, replacement easy to disassemble.
The strainer of timing belt is designed as through jackscrew tensioning block top to suitable position tightening fixation by two nuts,
Jackscrew and nut are adjustable at any time from outside, while space utilization is more reasonable.Mechanism uses freewheel clutch, passes through motor
The positive and negative dress of freewheel clutch on reversion and axis is rotated forward to realize the work and disconnection of different drive paths, is divided according to actual needs
With the gear on drive path, the belt wheel number of teeth, it is not required to dismantle to restructure that different ratio transmissions can be realized.Design is simple
Reliably, while working efficiency is greatly improved, actual production is suitble to use.
Design has swivel joint at polishing fluid injection, increases the diameter of injection polishing fluid entrance, while after generating abrasion
Replacement is simple, does not need all to dismantle cylinder into steel pipe inside replacement cylinder cylinder rod.
All design has hollow placement lead structure in counter-weight flywheel and pedestal, is calculated and is placed rationally by dynamic balancing static balance
Weight keeps polishing mechanism mass motion steady, guarantees 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 pedestal of polishing mechanism described in the present embodiment and the assembling schematic diagram of cross guide rail；
Fig. 4 is the decomposition diagram of the drive mechanism of polishing mechanism described in the present embodiment；
Fig. 5 is the shell of polishing mechanism described in the present embodiment and the schematic top plan view of cross guide rail assembly；
Fig. 6 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. 7 is the eccentric adjustment Standard schematic diagram 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 eccentric adjusting block as shown in drawings, packet
Cylindrical outer casing 35 is included, closure head 33 is installed in the cover top portion, is provided with along longitudinal direction in the shell inner bottom wall
Two guide rail mounting grooves are equipped with longitudinal rail slide block structure in the guide rail mounting groove, sliding in the longitudinal rail
It is fixed with connecting plate 11 on the sliding block of block structure, cross slide way slide block structure is installed on the connecting plate 11, is longitudinally led
The guide rail of rail slide block structure and the guide rail 10 of cross slide way slide block structure are positioned orthogonally to one another, on the side wall of the shell 35
It opens there are two arc mounting groove along casing circumference direction is opposite, the left end of pedestal 34 passes through two arc mounting grooves and places and described
The bottom wall of pedestal 34 be fixedly linked with the sliding block 9 of cross slide way slide block structure.Expose 35 part of shell in the pedestal 34
Pedestal top cover 36 is fixed on top surface.
L shape connecting flange 32 is fixed on the closure head 33, be provided on the vertical plane of connecting flange 32 with
The centre bore of series-parallel robot end connection.Robot can be moved in certain space with band polishing machine structure, in the company
Be fixed with servo motor 1 among the horizontal plane of acting flange 32, the rotary shaft of the servo motor 1 be arranged along the vertical direction and with
The input shaft of retarder 2 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 linked with closure head 33 by screw, and 2 end face of retarder passes through spiral shell
Nail be fixedly linked with counter-weight flywheel 3,3 bottom end of counter-weight flywheel is fixed among upper table 4, lower table 6 with it is described on
Workbench 4 opposite can be slidably connected by oat tail groove structure, the vertical section of a L shape eccentric adjusting block 5 and upper table side
Wall becomes placed against and the end of the horizontal segment of L shape eccentric adjusting block 5 and lower table side wall hold out against setting so that upper and lower work
Platform is staggered set distance, and the horizontal segment of the L shape eccentric adjusting block 5 is fixedly connected with lower table, the L shape bias tune
The vertical section of locking nub 5 is fixedly connected with upper table.The horizontal section length that different eccentric adjusting blocks lower end is contacted with lower table
Difference is changed solid by screw with the upper lower table again after corresponding eccentric adjusting block according to needs of production eccentricity
Fixed connection, opens fixed range from central axis for lower table 6, to realize the eccentric distance definite value of polishing process and adjustable
It is whole.
The top boss of first pulley 7 is mounted in the groove among 6 bottom of lower table and is fixed by screw
Connection, the lower end of the wheel shaft of the first pulley 7 is mounted on pedestal 34 by bearing.
The first pulley 7 is connected by the first synchronous toothed belt 8 with the second belt wheel 17.
Along the longitudinal direction of pedestal successively between left and right every being rotatably equipped between the bottom plate and base plate top cover of the pedestal 34
One shaft 12, the second shaft 18 and third shaft 21, the first rotating shaft 12, the second shaft 18 and third shaft 21
Upper and lower ends pass through bearing respectively and the bottom plate and base plate top cover of pedestal is rotatablely connected.
Successively be fixed with from bottom to up in the first rotating shaft 12 second belt wheel 17, lower freewheel clutch 14-1 and
Upper freewheel clutch 14-2, third belt wheel 16 are fixed on the outer ring lower freewheel clutch 14-1, and first gear 15 is fixed
On the outer ring upper freewheel clutch 14-2, upper freewheel clutch 14-2 by the sleeve that is mounted in first rotating shaft 12 with
Lower freewheel clutch 14-1 is separated.Direction and upper freewheel clutch that the lower freewheel clutch and third belt wheel 16 connect and
The connection of first gear 15 it is contrary so that first rotating shaft 12 rotate when, the upper freewheel clutch and first gear engagement
Or the state disconnected is opposite with lower freewheel clutch and the engagement of third belt wheel 16 or the state disconnected.
Preferably upper freewheel clutch (commercially available) and lower freewheel clutch are all made of Wedge type over running clutch, 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 first rotating shaft 12 under freewheel clutch and Wedge-type.The third belt wheel 16 and voussoir
It is connected between freewheel clutch by the wedge 13 being arranged in the groove that the two is oppositely arranged under formula, first gear 15 and voussoir
It is connected between freewheel clutch also by the wedge 13 being arranged in the groove that the two is oppositely arranged in formula.Surmount under Wedge-type from
The direction that clutch and third belt wheel 16 connect it is contrary with the connection of freewheel clutch on Wedge-type and first gear 15 so that
When first rotating shaft 12 rotates, on the Wedge-type under freewheel clutch and the state and Wedge-type of first gear engagement or disconnection
Freewheel clutch and the engagement of third belt wheel 16 or the state disconnected are opposite.So that top first gear 15 and lower section third band
The work of two drive paths or disconnect, the variable ratio of implementation mechanism that wheel 16 passes.Certain freewheel clutch can be with
Using roller ball type clutch etc..
It has been connected by key third gear 20, second gear 19 respectively in the lower part of second shaft and top, the
It is separated by between the bearing and third gear 20 of two shaft bottoms by the axle sleeve being mounted in the second shaft, the third gear
It is separated by between 20 and second gear 19 by the axle sleeve being mounted in the second shaft.The first gear 15 and second gear
19 engagement cooperations.
4th gear 22 is mounted on the 21 lower end shaft shoulder of third shaft by key, the 4th gear 22 and third gear
20 are meshed, and 22 upper surface of the 4th gear is separated by by axle sleeve 23 with the 5th gear 24 for being mounted on 21 upper end of third shaft, institute
The 5th gear 24 is stated to connect by key with third shaft 21.
6th gear 25 is engaged with the 5th gear 24, and the 4th belt wheel 26 is synchronous by second with the third belt wheel 16
Tooth-like belt 27 is connected.
6th gear 25 and the 4th belt wheel 26 are fixed on the spline mother 31 of swing roller spline by long spiro nail.Institute
Spline mother 31 is stated to be fixed on pedestal 34 by flange outer ring.The splined shaft 30 for the swing roller spline being arranged along the vertical direction with
The spline mother 31 engages.The working principle of swing roller spline is by revolving the spline engaged with splined shaft 30 mother 31
Turn, so that splined shaft 30 rotates, the end of splined shaft 30 is for connecting executive component, so that 30 end of splined shaft connected
The executive components such as polishing disk are rotated, its advantage is that direction of rotation zero clearance, high position precision.High-speed motion is adapted to,
Run smooth, work noise is low, simple installation, saves space.
Base connector 29 is fixed by screws on the pedestal 34, and 29 top surface of base connector passes through boss
Be connected with low rubbing cylinder 28, 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 28 is fixedly connected with the upper end of the splined shaft 30, so that the executive component of 30 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 placement lead is emptied in inside, and structure is simple, saves simultaneously
Space.
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 the deceleration of retarder, and upper table is fixedly connected with counter-weight flywheel, and synchronous rotary.
First pulley 7 is connected in 6 center groove of lower table, realizes that definite value is eccentric by different eccentric adjusting blocks 5, first pulley
7 are mounted on pedestal 34, and entire pedestal and end rubbing head are sliding by the cross guide rail and guide rail being mounted on 35 bottom surface of shell
Block realizes the translation in plane.First pulley 7 realizes the transmission of the transmission ratio of setting by synchronous belt, in first rotating shaft 12
Belt wheel and gear is positive and negative respectively fills a freewheel clutch, when motor rotates forward, torque is by retarder, counter-weight flywheel, up and down
Workbench, first pulley 7, the first timing belt 8, the second belt wheel 17 and key are transferred to first rotating shaft 12, and first gear 15 exists
Freewheel clutch effect is lower to be disconnected, and the engagement rotation of third belt wheel 16 transmits torque, end by 27 terminad belt wheel of the second synchronous belt
End spline rotation and the transmission for realizing a kind of transmission ratio, when motor reversal, belt wheel disconnects under freewheel clutch effect, gear
Engagement rotation transmits torque to junior, drives spline rotation, realizes the transmission of another transmission ratio.
In actual installation use process, counter-weight flywheel and upper table from bottom to top pass through screw and are installed to retarder end
End, lower table and first pulley 7 are equally assembled by screw from bottom to top, consolidate Liang Ge mechanism finally by eccentric adjusting block
Fixed connection.Axis in pedestal, gear, belt wheel are put into shell after the assembly is completed, and pedestal and guide rail slide block are connected, finally will be pre-
The timing belt of dress, the belt wheel being assembled together, upper lower table, counter-weight flywheel, retarder and servo motor are placed on bottom
On seat.
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 (4)
1. changing the polishing mechanism of eccentricity value and transmission ratio-variable by eccentric adjusting block, it is characterised in that: including cylindrical outer casing
(35), closure head (33) are installed in the cover top portion, are provided with two along longitudinal direction in the shell inner bottom wall and lead
Rail mounting groove is equipped with longitudinal rail slide block structure in the guide rail mounting groove, in the longitudinal rail slide block structure
Sliding block on be fixed with connecting plate (11), cross slide way slide block structure, longitudinal rail sliding block are installed on the connecting plate
The guide rail of structure and the guide rail (10) of cross slide way slide block structure are positioned orthogonally to one another, the edge on the side wall of the shell (35)
Casing circumference direction is opposite to open there are two arc mounting groove, and the left end of pedestal (34) passes through two arc mounting grooves and places and described
The bottom wall of pedestal (34) be fixedly linked with the sliding block (9) of cross slide way slide block structure, the pedestal expose shell (35) portion
Pedestal top cover (36) are fixed on the top surface divided；
It is fixed with L shape connecting flange (32) on the closure head (33), is provided with and mixes on the vertical plane of connecting flange
The centre bore for joining robot end's connection, is fixed with servo motor (1) among the horizontal plane of the connecting flange, described
Servo motor rotary shaft be arranged along the vertical direction and with the input shaft of retarder (2) is concentric is fixedly linked；
The retarder (2) is fixedly linked with closure head (33) by screw, and the retarder (2) end face passes through
Screw is fixedly linked with counter-weight flywheel (3), and counter-weight flywheel (3) bottom end is fixed among upper table (4), lower table
(6) it opposite can be slidably connected with the upper table by oat tail groove structure, the vertical section of a L shape eccentric adjusting block (5)
It is become placed against with upper table side wall and the end of the horizontal segment of L shape eccentric adjusting block holds out against setting with lower table side wall and makes
Upper and lower workbench is staggered set distance, the horizontal segment of the L shape eccentric adjusting block is fixedly connected with lower table, described
The vertical section of L shape eccentric adjusting block (5) be fixedly connected with upper table；
The top boss of first pulley (7) is mounted in the groove among the lower table (6) bottom and is fixed by screw
Connection, the lower end of the wheel shaft of the first pulley is mounted on pedestal (34) by bearing；
The first pulley (7) is connected by the first synchronous toothed belt (8) with the second belt wheel (17)；
Along the longitudinal direction of pedestal successively between left and right every being rotatably equipped with first between the bottom plate and base plate top cover of the pedestal (34)
Shaft (12), the second shaft (18) and third shaft (21), second shaft of first rotating shaft and third shaft it is upper
Lower both ends pass through bearing respectively and the bottom plate and base plate top cover of pedestal is rotatablely connected；
Successively be fixed with from bottom to up in the first rotating shaft (12) the second belt wheel (17), lower freewheel clutch (14-1) with
And upper freewheel clutch (14-2), third belt wheel (16) are fixed on the lower freewheel clutch outer ring, first gear (15)
It is fixed on the upper freewheel clutch outer ring, upper freewheel clutch is by the sleeve that is mounted on first rotating shaft (12) under
Freewheel clutch separates, the direction and upper freewheel clutch and first gear of the lower freewheel clutch and the connection of third belt wheel
Connection it is contrary so that first rotating shaft rotate when, the upper freewheel clutch and first gear engagement or disconnect state
It is opposite with lower freewheel clutch and the engagement of third belt wheel or the state disconnected.
It has been connected by key third gear (20), second gear (19) respectively in the lower part of second shaft and top, the
It is separated by between the bearing and third gear (20) of two shaft bottoms by the axle sleeve being mounted in the second shaft, the third tooth
Wheel (20) and second gear (19) between be separated by by the axle sleeve being mounted in the second shaft, the first gear (15) and
Second gear (19) engagement cooperation；
4th gear (22) is mounted on the shaft shoulder of third shaft (21) lower end by key, the 4th gear (22) and third tooth
Wheel (20) is meshed, and the 4th gear upper surface is separated by by axle sleeve with the 5th gear (24) for being mounted on third shaft upper end, institute
The 5th gear is stated to connect by key with third shaft；
6th gear (25) is engaged with the 5th gear, and the 4th belt wheel (26) is synchronous by second with the third belt wheel (16)
Tooth-like belt (27) is connected；
The spline that 6th gear (25) and the 4th belt wheel (26) are fixed on rotary ball spline by long spiro nail is female (31)
On, the spline female (31) is fixed on pedestal (34) by flange outer ring, the rotary ball spline being arranged along the vertical direction
Splined shaft (30) engage with the spline female (31), base connector (29) be fixed by screws in described in pedestal (34)
On, base connector (29) top surface is connected by boss with low rubbing cylinder (28), the output shaft of the low rubbing cylinder
It is fixedly connected with the upper end of splined shaft, so that the executive component of spline shaft end connection can be transported up and down in certain stroke
It is dynamic.
2. the polishing mechanism according to claim 1 for changing eccentricity value and transmission ratio-variable by eccentric adjusting block, special
Sign is: the counter-weight flywheel is semicircle dish type.
3. the polishing mechanism according to claim 1 or 2 for changing eccentricity value and transmission ratio-variable by eccentric adjusting block,
It is characterized by: the retarder is using accurate planetary reducer.
4. the polishing mechanism according to claim 3 for changing eccentricity value and transmission ratio-variable by eccentric adjusting block, special
Sign is: the upper freewheel clutch and lower freewheel clutch are all made of Wedge type over running clutch, surmount on Wedge-type from
Freewheel clutch passes through key and is connected with first rotating shaft under clutch and Wedge-type, surmount under the third belt wheel and Wedge-type from
Pass through the wedge connection being arranged in the groove that the two is oppositely arranged, first gear and freewheel clutch on Wedge-type between clutch
Between connected also by the wedge that is arranged in the groove that the two is oppositely arranged, freewheel clutch and third belt wheel connect under Wedge-type
The direction connect it is contrary with the connection of freewheel clutch on Wedge-type and first gear so that first rotating shaft rotate when, it is described
Freewheel clutch and third belt wheel connect under freewheel clutch and first gear are engaged or disconnected on Wedge-type state and Wedge-type
The state closed or disconnected is opposite.
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| CN201811537155.3A CN109664178B (en) | 2018-12-14 | 2018-12-14 | Polishing mechanism with variable transmission ratio and eccentric value changed through eccentric adjusting block |
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| CN201811537155.3A CN109664178B (en) | 2018-12-14 | 2018-12-14 | Polishing mechanism with variable transmission ratio and eccentric value changed through eccentric adjusting block |
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| CN112548834A (en) * | 2020-12-31 | 2021-03-26 | 长沙航空职业技术学院 | Working method of five-axis linkage numerical control polishing machine |
| CN117226643A (en) * | 2023-10-31 | 2023-12-15 | 安徽海岸线玻璃制品有限公司 | Four-side edging line for curved toughened glass |
| CN117260516A (en) * | 2023-11-22 | 2023-12-22 | 北京特思迪半导体设备有限公司 | Eccentric driving mechanism and polishing machine |
| CN117644470A (en) * | 2024-01-29 | 2024-03-05 | 北京特思迪半导体设备有限公司 | Eccentric driving mechanism for polishing machine and polishing machine |
| CN117644471A (en) * | 2024-01-29 | 2024-03-05 | 北京特思迪半导体设备有限公司 | Method for precisely adjusting eccentricity of eccentric driving mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117644470A (en) * | 2024-01-29 | 2024-03-05 | 北京特思迪半导体设备有限公司 | Eccentric driving mechanism for polishing machine and polishing machine |
| CN117644471A (en) * | 2024-01-29 | 2024-03-05 | 北京特思迪半导体设备有限公司 | Method for precisely adjusting eccentricity of eccentric driving mechanism |
| CN117644470B (en) * | 2024-01-29 | 2024-04-05 | 北京特思迪半导体设备有限公司 | Eccentric driving mechanism for polishing machine and polishing machine |
| CN117644471B (en) * | 2024-01-29 | 2024-04-16 | 北京特思迪半导体设备有限公司 | Method for precisely adjusting eccentricity of eccentric driving mechanism |
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