CN109129177B - A kind of wheeled end burnishing device of public affairs rotation - Google Patents

A kind of wheeled end burnishing device of public affairs rotation Download PDF

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Publication number
CN109129177B
CN109129177B CN201810802921.8A CN201810802921A CN109129177B CN 109129177 B CN109129177 B CN 109129177B CN 201810802921 A CN201810802921 A CN 201810802921A CN 109129177 B CN109129177 B CN 109129177B
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CN
China
Prior art keywords
driving
bevel gear
axis
shaft
burnishing
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CN201810802921.8A
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Chinese (zh)
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CN109129177A (en
Inventor
姚永胜
李奇炘
赵蒙
丁蛟腾
马臻
樊学武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Institute of Optics and Precision Mechanics of CAS
University of Chinese Academy of Sciences
Original Assignee
Xian Institute of Optics and Precision Mechanics of CAS
University of Chinese Academy of Sciences
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Application filed by Xian Institute of Optics and Precision Mechanics of CAS, University of Chinese Academy of Sciences filed Critical Xian Institute of Optics and Precision Mechanics of CAS
Priority to CN201810802921.8A priority Critical patent/CN109129177B/en
Publication of CN109129177A publication Critical patent/CN109129177A/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/04Headstocks; Working-spindles; Features relating thereto
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/22Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation

Abstract

The present invention relates to optical element surface manufacture fields, the revolution and rotation of polishing wheel need to be realized using two driving devices for existing revolution, rotation burnishing device, and the disadvantage of apparatus structure complexity, there is provided a kind of public rotation wheeled end burnishing device, including pedestal, rotary shaft, wheel carrier, transmission mechanism and polishing wheel;Transmission mechanism includes fixed bevel gear, the first transmission shaft, rotating bevel gear, the first driving member, the second driving member and second driving shaft;Fixed bevel gear is mounted on pedestal;Wheel carrier is that one end is trunk, and the other end is the class Y-shaped component of Liang Ge branch;Rotary shaft passes through pedestal and fixed bevel gear and trunk is connected;First transmission shaft is threaded through on trunk;Rotating bevel gear and the first driving member are installed on the first transmission shaft, and rotating bevel gear is engaged with fixed bevel gear;Second driving shaft is threaded through in the branch of wheel carrier;Second driving member and polishing wheel are installed on second driving shaft;First driving member is connected with the second driving member.

Description

A kind of wheeled end burnishing device of public affairs rotation
Technical field
The present invention relates to optical element surface processing technique fields, and in particular to a kind of wheeled end polishing dress of public affairs rotation It sets.
Background technique
In recent years, due to the excellent properties of aspherical optical element, obtained it in optical system of new generation extensively Application.However, due to aspherical non-uniform curvature feature, Ultraprecision Machining restricts always aspherical into one How step development and application increase substantially the face shape error convergence rate of optical aspherical surface and are the key that one and urgently to be resolved ask Topic.
Currently, computer control optical surface formation technology is widely used in aspherical mirror machining field, which is utilized Obtained quantitative face shape error data are detected, in conjunction with removal function and preset machining path, acquires and stays according to certain algorithm The time is stayed, so that the convergence of face shape error gradually, is finally reached processing request.
Wheeled polishing is one kind of computer control optical surface formation technology.
Chinese patent (application number: 201510661414.3) discloses a kind of for obtaining the twin-runner type of super-smooth surface Elastic emission machining device, the device realize the revolution and rotation of wheel, while rotation electricity by revoluting motor and spinning motor Machine also revolves with wheel, and in order to avoid coiling, the power of spinning motor is sliding by the conduction to link together with hollow shaft Ring access.But so that device rotary inertia increases, conducting slip ring makes apparatus structure complicated for the rotation of spinning motor.
Chinese patent (application number: 201610147306.9) discloses a kind of mold freedom curved surface burnishing device and polishing side Method, the device make spindle motor and vice axle motor fixed by using bevel gear, reduce rotary inertia, but its gear is nibbled Close more, structure is excessively complicated.
Summary of the invention
The purpose of the present invention is overcome existing revolution, rotation burnishing device that need to realize polishing wheel using two driving devices The deficiency of revolution and rotation and apparatus structure complexity, and a kind of public affairs wheeled end burnishing device of rotation is provided, it can be achieved that high-precision The polishing for spending optical element, especially suitable for the precise polished of aperture aspherical element.
To achieve the above object, present invention provide the technical scheme that a kind of wheeled end burnishing device of public affairs rotation, special Different place is, including pedestal, rotary shaft, wheel carrier, transmission mechanism and polishing wheel;Transmission mechanism includes fixed bevel gear, first Transmission shaft, rotating bevel gear, the first driving member, the second driving member and second driving shaft;The middle part of pedestal and fixed bevel gear is equal Equipped with through-hole, fixed bevel gear is mounted on pedestal;Wheel carrier is located at the lower section of fixed bevel gear, and wheel carrier is that one end is trunk, separately One end is the class Y-shaped component of Liang Ge branch;The axis of rotary shaft is overlapped with fixed cone Gear axis, rotary shaft pass through pedestal and The top of through-hole in the middle part of fixed bevel gear, output end and wheel carrier trunk is connected;Between rotary shaft and pedestal, fixed bevel gear There is gap;Trunk top lower part is equipped with first through hole, and the axis of first through hole and the axis of rotary shaft are vertical;First transmission Axis is threaded through on trunk by the first through hole, can be rotated relative to wheel carrier;Rotating bevel gear and the first driving member are solid It is located on the first transmission shaft, rotating bevel gear is meshed with fixed bevel gear;The Liang Ge branch of wheel carrier is respectively equipped with one second Through-hole, two the second through-hole is coaxial and its axis is vertical with the axis of rotary shaft;Second driving shaft passes through two described second Through-hole is threaded through in the Liang Ge branch of wheel carrier, can be rotated relative to wheel carrier;Second driving member and polishing wheel are installed in second On transmission shaft;Polishing wheel is located between the Liang Ge branch of wheel carrier;The input terminal of the output end of first driving member and the second driving member It is connected.
Preferably, above-mentioned fixed bevel gear is installed on the base by linear moving mechanism, and fixed bevel gear can be along its axis Line opposite base is mobile.
Preferably, above-mentioned linear moving mechanism includes linear axis and connector sleeve;Linear axis at least two and it is evenly arranged on base On seat, axis is parallel with the axis of rotary shaft;Connector sleeve is the tubular structure being open up and down, and one end outer wall corresponds to pedestal Lug is arranged in the position for installing linear axis, is equipped with linear bearing compatible with the linear axis in lug;The other end and solid Determine bevel gear to be connected.
Preferably, above-mentioned rotating bevel gear and the first driving member are located at the same end of the first transmission shaft, convenient for rotating cone The encapsulation of gear, the first driving member, the second driving member;Or rotating bevel gear and the first driving member are located at the first transmission shaft Both ends, the structure being arranged symmetrically can reduce the rotary inertia of burnishing device.
Preferably, the through-hole in the middle part of above-mentioned fixed bevel gear is ladder hole, and rotary shaft is multi-diameter shaft;Multi-diameter shaft passes through axis It holds and is mounted on the ladder hole of fixed bevel gear, bearing can be improved the precision of rotary shaft, reduce jerk value.
Preferably, above-mentioned first driving member and the second driving member are respectively driving pulley and driven pulley, and driving pulley is logical Transmission belt is crossed to be connected with driven pulley.
Preferably, above-mentioned driving pulley and driven pulley are main synchronous pulley and from synchronous pulley, the transmission belt respectively For synchronous belt, rotating ratio can be adjusted by replacing the belt wheel of the different numbers of teeth.
Preferably, above-mentioned first driving member and the second driving member are respectively driving gear and driven gear, driving gear and Driven gear is meshed.
Preferably, the axle journal at the top of above-mentioned rotary shaft output end is equipped with external screw thread, the top of wheel carrier trunk be equipped with it is described The internal thread hole of external screw thread cooperation.
Preferably, said base is rectangular hollow cabinet, and upper and lower surfaces have two through-holes, through-hole it is straight Diameter is less than box house length of short sides.
The working principle of the invention: the pedestal of the device is fixed on robot optical instrument mechanical arm tail end or lathe etc. On movement mechanism.
In polishing, fixed bevel gear remain stationary with pedestal, and rotary shaft rotation drives wheel carrier rotation, the polishing on wheel carrier Wheel revolves therewith;
While wheel carrier rotates, the rotating bevel gear of the first transmission shaft is around fixed bevel gear rotation on wheel carrier;Rotating cone tooth Wheel drive the first transmission shaft and thereon the first driving member rotation;First driving member drives the rotation of the second driving member, to drive Polishing wheel rotation on second driving shaft;Realize the revolution motion and spinning motion of polishing wheel.
Meanwhile the present invention can also be realized along the up and down motion in rotating shaft axis direction by linear moving mechanism.
The invention has the advantages that
1, the revolution and rotation of polishing wheel are realized using two driving devices relative to existing burnishing device, the present invention uses Non-rotary fixed cone gear structure only can just realize the revolution and rotation of polishing wheel with a motor, so that rubbing head is whole Structure is simple, weight is small.
2, polish pressure is controlled by the volume under pressure of elastic polished wheel relative to existing burnishing device, control precision is low, right The running precision of movement executing mechanism requires high;The present invention realizes the fortune up and down along shaft axis direction using linear moving mechanism It is dynamic, can accurately control polish pressure by devices such as low rubbing cylinders, reduce to high-precision control movement executing mechanism according to Rely.
Detailed description of the invention
Fig. 1 is the shaft side figure of the wheeled end burnishing device one embodiment of public rotation of the invention;
Fig. 2 is the cross-sectional view of the wheeled end burnishing device embodiment of Fig. 1 public affairs rotation;
Fig. 3 is the cross-sectional view of another embodiment of the public wheeled end burnishing device of rotation of the invention.
Each label is described as follows in figure:
1-pedestal, 11-linear axis, 12-connector sleeves, 121-lugs;
2-rotary shafts, 3-wheel carriers, 31-bearings,;
41-fixed bevel gears, the 42-the first transmission shaft, 43-rotating bevel gears, 44-main synchronous pulleys, 441-synchronize Band, 45-are from synchronous pulley, 46-second driving shafts;
5-polishing wheels, 51-axle sleeves.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment one
A kind of wheeled end burnishing device of public rotation as shown in Figure 1 and Figure 2, including pedestal 1, rotary shaft 2, wheel carrier 3, biography Motivation structure and polishing wheel 5;Transmission mechanism includes fixed bevel gear 41, the first transmission shaft 42, the transmission of rotating bevel gear 43, first Part, the second driving member and second driving shaft 46;First driving member and the second driving member be respectively main synchronous pulley 44 with from synchronous Belt wheel 45.
Pedestal 1 is rectangular hollow cabinet, and top plate and bottom plate open up a through-hole respectively, and the center of circle of two through-holes is total The diameter of line, through-hole is less than box roof length of short sides.Pedestal 1 is fixedly mounted on the Motor executions such as robot arm or lathe In mechanism.Fixed bevel gear 41 is mounted on pedestal 1 by linear moving mechanism.Linear moving mechanism includes connector sleeve 12 and two A linear axis 11;The both ends of linear axis 11 are respectively and fixedly installed on the top plate and bottom plate of pedestal 1, and two linear axis 11 symmetrically divide Cloth is in the two sides of 1 through-hole of pedestal;The axis of linear axis 11 is parallel with the axis of rotary shaft 2.Here linear moving mechanism can also To use the similar means such as guide rail, sliding sleeve.
Connector sleeve 12 is the tubular structure for being up and down opening, and one end outer wall corresponds to the position that pedestal 1 installs linear axis 11 Two lugs 121 are installed, linear bearing compatible with linear axis 11 is installed in lug 121;The other end and fixed cone tooth Wheel 41 is connected.Fixed bevel gear 41 can move along its axis opposite base 1.
Wheel carrier 3 is located at the lower section of fixed bevel gear 41, and wheel carrier 3 is that one end is trunk, and the other end is the class Y word of Liang Ge branch Shape component.
Ladder hole is equipped in the middle part of fixed bevel gear 41, rotary shaft 2 is multi-diameter shaft;The axis and fixed cone tooth of rotary shaft 2 The coincidence of 41 axis is taken turns, rotary shaft 2 passes through the through-hole of pedestal 1 and fixed bevel gear 41, between pedestal 1, fixed bevel gear 41 There is gap;Rotary shaft 2 is mounted on the ladder hole of fixed bevel gear 41 by bearing 31, and deep-groove ball can be used in bearing 31 Bearing or tapered roller bearing etc..Axle journal at the top of 2 output end of rotary shaft is equipped with external screw thread, the top of 3 trunk of wheel carrier be equipped with The internal thread hole of external screw thread cooperation.The top of 2 output end of rotary shaft and 3 trunk of wheel carrier is connected by screw thread.
The trunk top lower part of wheel carrier (3) is equipped with first through hole, and the axis of first through hole is vertical with the axis of rotary shaft 2; First transmission shaft 42 is threaded through on trunk by first through hole, can be rotated relative to wheel carrier 3;Rotating bevel gear 43 with it is main synchronous Belt wheel 44 is installed in the same end of the first transmission shaft 42, and rotating bevel gear 43 is meshed with fixed bevel gear 41.
The Liang Ge branch of wheel carrier 3 is respectively equipped with second through-hole, two the second through-holes are coaxial and its axis with rotation The axis of axis 2 is vertical;Second driving shaft 46 is threaded through in the Liang Ge branch of wheel carrier 3 by two the second through-holes, can be relative to Wheel carrier 3 rotates.It is mounted on second driving shaft 46 from synchronous pulley 45, polishing wheel 5 is mounted on the two transmissions by axle sleeve 51 On axis 46.It is adapted from the installation site of synchronous pulley 45 with the installation site of the first driving member, polishing wheel 5 is located at 3 liang of wheel carrier Between a branch.
Main synchronous pulley 44 is connected by synchronous belt 441 with from synchronous pulley 45.
The course of work of the present embodiment:
In polishing, fixed bevel gear 41 remain stationary with pedestal 1, and the rotation of rotary shaft 2 drives wheel carrier 3 to rotate, on wheel carrier 3 Polishing wheel 5 revolve therewith;
While wheel carrier 3 rotates, the rotating bevel gear 43 of first transmission shaft is rotated around fixed bevel gear 41 on wheel carrier 3;Turn Dynamic bevel gear 43 drives the first transmission shaft 42 and main synchronous pulley 44 thereon to rotate;Main synchronous pulley 44 passes through synchronous belt 441 It drives from synchronous pulley 45 and rotates, to drive 5 rotation of polishing wheel on second driving shaft 46;Realize the revolution fortune of polishing wheel 5 Dynamic and spinning motion;
Meanwhile rotary shaft 2 can also realize the up and down motion along 2 axis direction of rotary shaft by linear moving mechanism.
When work, the movement executing mechanisms such as mechanical arm or lathe drive rotary shaft according to preset machining path and it is resident when Between optical element is polished.
Rotary shaft can move up and down and rotary motion.Chinese patent (application number: 201710433948.X) is to driving sheet Invention moves up and down and the structure of rotary motion is discussed in detail, i.e., during the polishing process, the piston rod of low rubbing cylinder passes through Axial load is passed to polishing drive shaft by rotating separation shaft coupling, and polishing drive shaft passes through rotary shaft again and pressure is passed to throwing The accurate control of polish pressure may be implemented in halo;The hollow motor shaft of stepper motor or servo motor passes through collimation driving group Turning moment is passed to polishing drive shaft by part, and polishing drive shaft drives polishing wheel rotation to be polished by rotary shaft again.This Place repeats no more.
Embodiment two
The present embodiment provides the wheeled end burnishing devices of another public rotation, as shown in figure 3, the difference of itself and embodiment one It is, rotating bevel gear 43 and main synchronous pulley 44 are located at the both ends of the first driving member;This structure energy being arranged symmetrically Enough effectively reduce the rotary inertia of burnishing device.
The above is only the preferred embodiment of the present invention is described, technical solution of the present invention is not limited to This, those skilled in the art's made any known deformation on the basis of major technique of the present invention is conceived belongs to institute of the present invention Technology scope to be protected.

Claims (10)

1. a kind of wheeled end burnishing device of public affairs rotation, it is characterised in that: including pedestal (1), rotary shaft (2), wheel carrier (3), pass Motivation structure and polishing wheel (5);Transmission mechanism includes fixed bevel gear (41), the first transmission shaft (42), rotating bevel gear (43), the One driving member, the second driving member and second driving shaft (46);
Through-hole is equipped in the middle part of pedestal (1) and fixed bevel gear (41), fixed bevel gear (41) are mounted on pedestal (1);Wheel Frame (3) is located at the lower section of fixed bevel gear (41), and wheel carrier (3) is that one end is trunk, and the other end is the class Y-shaped structure of Liang Ge branch Part;
The axis of rotary shaft (2) is overlapped with fixed bevel gear (41) axis, and rotary shaft (2) passes through pedestal (1) and fixed bevel gear (41) top of the through-hole in the middle part of, output end and wheel carrier (3) trunk is connected;Rotary shaft (2) and pedestal (1), fixed bevel gear (41) there is gap between;
The trunk top lower part of wheel carrier (3) is equipped with first through hole, and the axis of first through hole is vertical with the axis of rotary shaft (2);The One transmission shaft (42) is threaded through on trunk by the first through hole, can be rotated relative to wheel carrier (3);
Rotating bevel gear (43) and the first driving member are installed on the first transmission shaft (42), rotating bevel gear (43) and fixed cone Gear (41) is meshed;
The Liang Ge branch of wheel carrier (3) is respectively equipped with second through-hole, two the second through-holes are coaxial and its axis and rotary shaft (2) axis is vertical;Second driving shaft (46) is threaded through in the Liang Ge branch of wheel carrier (3) by two second through-holes, It can be rotated relative to wheel carrier (3);
Second driving member and polishing wheel (5) are installed on second driving shaft (46);Polishing wheel (5) is located at two of wheel carrier (3) Between branch;
The output end of first driving member is connected with the input terminal of the second driving member.
2. a kind of wheeled end burnishing device of public rotation according to claim 1, it is characterised in that: the fixed bevel gear (41) it is mounted on pedestal (1) by linear moving mechanism, fixed bevel gear (41) can be mobile along its axis opposite base (1).
3. a kind of wheeled end burnishing device of public rotation according to claim 2, it is characterised in that: the linear movement machine Structure includes linear axis (11) and connector sleeve (12);
Linear axis (11) at least two and interval is fixedly mounted on pedestal (1), the axis of axis and rotary shaft (2) is flat Row;
Connector sleeve (12) is the tubular structure being open up and down, and one end outer wall corresponds to the position of pedestal (1) installation linear axis (11) It installs lug (121), the compatible linear bearing with the linear axis (11) is installed in lug (121);The other end and solid Determine bevel gear (41) to be connected.
4. a kind of wheeled end burnishing device of public rotation according to any one of claims 1 to 3, it is characterised in that: described turn Dynamic bevel gear (43) and the first driving member are located at the same end of the first transmission shaft (42) or rotating bevel gear (43) and first is driven Part is located at the both ends of the first transmission shaft.
5. a kind of wheeled end burnishing device of public rotation according to claim 4, it is characterised in that: the fixed bevel gear (41) through-hole in the middle part of is ladder hole, and rotary shaft (2) is multi-diameter shaft;Multi-diameter shaft is mounted on fixed bevel gear by bearing (31) (41) on ladder hole.
6. a kind of wheeled end burnishing device of public rotation according to claim 5, it is characterised in that: first driving member It is respectively driving pulley and driven pulley with the second driving member, driving pulley is connected by transmission belt with driven pulley.
7. a kind of public wheeled end burnishing device of rotation according to claim 6, it is characterised in that: the driving pulley and Driven pulley is main synchronous pulley (44) and from synchronous pulley (45) respectively, and the transmission belt is synchronous belt (441).
8. a kind of wheeled end burnishing device of public rotation according to claim 5, it is characterised in that: first driving member It is respectively driving gear and driven gear with the second driving member, driving gear and driven gear are meshed.
9. a kind of wheeled end burnishing device of public rotation according to claim 8, it is characterised in that: the rotary shaft (2) Axle journal at the top of output end is equipped with external screw thread, and the top of wheel carrier (3) trunk is equipped with the internal thread hole cooperated with the external screw thread.
10. a kind of wheeled end burnishing device of public rotation according to any one of claims 1 to 3, it is characterised in that: the base Seat (1) is rectangular hollow cabinet, and top plate and bottom plate open a through-hole respectively, and the diameter of through-hole is less than box house short side side It is long.
CN201810802921.8A 2018-07-20 2018-07-20 A kind of wheeled end burnishing device of public affairs rotation Active CN109129177B (en)

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CN110497287B (en) * 2019-09-09 2021-01-26 吉林大学 Single-motor double-degree-of-freedom variable-speed wheel type air bag polishing device
CN111015437B (en) * 2019-12-30 2021-05-07 长光卫星技术有限公司 Numerical control polishing self-adaptive wheel type mechanism

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