CN209998978U - planetary polishing device - Google Patents
planetary polishing device Download PDFInfo
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- CN209998978U CN209998978U CN201920445301.3U CN201920445301U CN209998978U CN 209998978 U CN209998978 U CN 209998978U CN 201920445301 U CN201920445301 U CN 201920445301U CN 209998978 U CN209998978 U CN 209998978U
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- 238000009434 installation Methods 0.000 claims description 20
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Abstract
The utility model relates to an end device for polishing, to current planet burnishing device transmission unstability, the structure is complicated, defects such as inertia of motion is big, planet burnishing devices are provided, the device includes mount pad, driving motor, driving shaft, driven shaft and sun gear subassembly, the sun gear subassembly includes sun gear cover, carousel, hollow slider, transition connecting piece and polishing dish, sun gear cover is the arch form adapter sleeve of upper and lower open-ended, its tip rotatably sets up in the mount pad lower part, the big end is located the mount pad outside, the driving shaft passes through drive mechanism and is connected with the driven shaft, the driving shaft passes through the second drive mechanism and is connected with sun gear cover, the through-hole is seted up to the carousel axle center, the lower part is equipped with T font groove, hollow slider upper end is equipped with the draw-in groove, the driven shaft is worn to be established on sun gear cover, end and carousel link to, sun gear cover big end solid dress sun gear, transition connecting piece upper portion rotatably is installed in hollow.
Description
Technical Field
The utility model relates to an end device for polishing , concretely relates to kind planet burnishing device.
Background
However, because the aspheric optical element is not curvature-induced, the required ultra-precision machining technology directly restricts the further development and application of the aspheric surface , and how to greatly improve the surface shape error convergence rate of the optical aspheric surface is a key problem to be solved urgently in .
At present, the computer-controlled optical surface forming technology is widely applied to the field of aspheric surface processing by , and the technology utilizes quantitative surface shape error data obtained by detection, combines a removal function and a preset processing path, and obtains residence time according to an algorithm determined by , so that the surface shape error is gradually converged, and finally meets the processing requirement.
The planet polishing technology is kinds of polishing technology commonly used in the current computer control optical surface forming technology, but the existing planet polishing device has the problems of large moment of inertia, complex structure of the polishing head, unstable power transmission and the like.
For example, chinese patent (application No. CN200810051132.1) discloses a planetary active polishing device and method for optical elements, which uses a parallel four-bar linkage mechanism to realize flat rotation, and a planetary motor drives a polishing mold to rotate by a flexible shaft.
For another example, chinese patent (application No. CN201410554563.5) discloses large-caliber aspheric robot planetary polishing devices, in which rotation and revolution of the device are driven by two servo motors respectively, a revolution transmission mechanism realizes the flat rotation of planetary motion, and a rotation transmission mechanism adopts a secondary belt transmission to fix the rotation motor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming current planet burnishing device transmission is not steady, the structure is complicated, motion inertia is big etc. not enough, and provides kinds of planet burnishing devices, this burnishing device if combine computer control technology, can realize high-efficient high accuracy optical element's polishing, is applicable to the precision polishing of heavy-calibre aspheric surface component.
The technical scheme includes that the planetary polishing device is characterized by comprising an installation seat, a driving motor, a driving shaft, a driven shaft and a sun wheel assembly, wherein the driving motor, the driving shaft, the driven shaft and the sun wheel assembly are arranged on the installation seat, the sun wheel assembly comprises a sun wheel sleeve, a rotary disc, a hollow slide block, a transition connecting piece and a polishing disc, the sun wheel sleeve is a convex connecting sleeve with an opening at the upper part and the lower part, the small end of the convex connecting sleeve is rotatably arranged at the lower part of the installation seat, the large end of the convex connecting sleeve is positioned outside the installation seat, an output shaft of the driving motor is connected with the driving shaft, the driving shaft is connected with the driven shaft through a transmission mechanism, the driving shaft is connected with the sun wheel sleeve through a second transmission mechanism, a through hole is formed in the axis of the rotary disc, a T-shaped groove transversely penetrating through the rotary disc is formed in the lower part, the upper end of the hollow slide block is provided with a clamping groove matched with the T-shaped groove, the upper end of the T-shaped groove can move along the T-shaped groove, the driven shaft penetrates through the sun wheel sleeve, the end of the hollow slide block is connected with the rotary disc arranged in the large end of the sun wheel sleeve, the rotary disc through the through.
, the cross section of the through hole is polygonal and can be rectangular, square or regular hexagon, the shape of end of the driven shaft connected with the turntable is matched with the shape of the through hole, the inner wall of the big end of the sun wheel sleeve is provided with a turntable bearing, the inner ring of the turntable bearing is sleeved on the outer surface of the turntable, a pressing ring used for pressing the turntable bearing is further arranged between the turntable bearing and the sun wheel, the outer wall of the pressing ring is tightly attached to the inner wall of the big end of the sun wheel sleeve, and the steps are carried out to reduce the rotation swing of the turntable and enable the turntable to run more stably by arranging the turntable bearing.
the transition piece is hinged with the polishing disk, which can be pressed to the mirror surface by the spherical hinge to ensure the stability of the polishing removal of the workpiece.
, the driven shaft is a hollow stepped shaft, the upper end of the driven shaft is provided with an upper rotary joint, the transition connecting piece is a cylinder, the air inlet at the upper end of the cylinder is provided with a lower rotary joint, and the lower rotary joint is communicated with the lower end of the hollow driven shaft through a pipeline.
, the upper end of the outer circumference of the rotary disk is provided with circles of flanges for axially positioning the rotary disk.
, the transmission mechanism is a gear transmission mechanism, a belt transmission mechanism or a chain transmission mechanism, and the second transmission mechanism is a gear transmission mechanism, a belt transmission mechanism or a chain transmission mechanism.
, the transmission mechanism comprises a small driving belt wheel arranged on a driving shaft, a large driven belt wheel arranged on a driven shaft and a toothed belt connecting the small driving belt wheel and the large driven belt wheel.
the second transmission mechanism comprises a big driving belt wheel arranged on the driving shaft, a belt wheel seat sleeved on the driven shaft and fixedly connected with the sun wheel sleeve, a small driven belt wheel arranged on the belt wheel seat and a second toothed belt connecting the big driving belt wheel and the small driven belt wheel.
, the driving shaft and the driven shaft are parallel and spaced, the mounting base comprises a base and a supporting shell fixedly arranged on the upper surface of the base, the base is provided with a mounting hole for mounting the driving shaft and a second mounting hole for mounting the sun wheel sleeve, the top of the supporting shell is provided with a third mounting hole for mounting the driving motor, the driving shaft is mounted in a mounting hole through a bearing, the small end of the sun wheel sleeve is fixedly mounted in the second mounting hole, the supporting shell seals the transmission mechanism and the second transmission mechanism to prevent the fragments of the toothed belt from falling to the mirror surface, and the structure of the supporting shell is adopted, so that the supporting shell is easy to disassemble, the transmission belt wheel can be conveniently replaced, and the revolution-rotation speed ratio can be adjusted.
the upper part of the transition piece is installed in the hollow slide block by rolling bearing or sliding bearing, and the small end of the sun wheel sleeve is installed in the second installation hole by rolling bearing or sliding bearing.
Compared with the prior art, the utility model has the advantages that:
1. the utility model discloses a planetary gear train structure only uses motors just to realize the revolution and the rotation of polishing dish for burnishing device simple structure, light in weight, inertia are little.
2. The utility model discloses a drive mechanism, second drive mechanism and sun gear subassembly can be through changing the convenient eccentricity and the revolution speed ratio of regulation polishing dish of gear or band pulley.
3. The utility model supplies compressed air to the cylinder through the upper rotary joint, the central hole of the driven shaft and the lower rotary joint, and controls the polishing pressure of the polishing disk; and the polishing disc can be positively pressed on the mirror surface through the spherical hinge, so that the stability of the polishing removal amount of the processed workpiece is effectively ensured.
4. The utility model discloses a burnishing device combines computer control technology, can realize high-efficient high accuracy optical element's polishing, is applicable to the precision polishing of heavy-calibre aspheric surface component.
Drawings
FIG. 1 is a schematic view of the overall structure of the polishing apparatus of the present invention;
FIG. 2 is an isometric view of the turntable of the polishing apparatus of the present invention;
FIG. 3 is a perspective view of the hollow slide block of the polishing device of the present invention;
FIG. 4 is a front cross-sectional view of an embodiment of the polishing apparatus of the present invention;
FIG. 5 is a front sectional view of a second embodiment of the polishing apparatus of the present invention;
FIG. 6 is a front sectional view of a third embodiment of the polishing apparatus of the present invention;
fig. 7 is a front sectional view of a fourth embodiment of the polishing apparatus of the present invention.
The reference numerals in the drawings are explained as follows:
1-mounting seat, 11-base, 12-supporting shell;
2, driving a motor;
3-driving shaft;
4- th transmission mechanism, 41-driving small belt wheel, 42- th toothed belt and 43-driven large belt wheel;
5-driven shaft, 51-upper rotary joint;
6-a sun wheel assembly;
61-sun gear sleeve, 611-turntable bearing, 612-pressing ring, 613-sun gear;
62-rotary table, 621-through hole, 622-T-shaped groove;
63-hollow slide block;
64-transition piece, 641-planet, 642-lower rotary joint;
65-polishing disc;
7-second transmission mechanism, 71-driving large belt wheel, 72-second toothed belt, 73-driven small belt wheel, 74-belt wheel seat.
Detailed Description
The present invention will be described in further detail in with reference to the following drawings and examples.
Example
As shown in fig. 1 and 4, the present embodiment provides planetary polishing apparatuses, which include a mounting base 1, a driving motor 2, a driving shaft 3, a th transmission mechanism 4, a second transmission mechanism 7, a driven shaft 5 and a sun gear assembly 6.
The mounting seat 1 comprises a base 11 and a supporting shell 12 fixedly arranged on the upper surface of the base 11, wherein the base 11 is provided with a th mounting hole and a second mounting hole, the top of the supporting shell 12 is provided with a third mounting hole, a driving motor 2 is arranged in the third mounting hole of the supporting shell 12, a driving shaft 3 is arranged in the th mounting hole through a bearing, and driven shafts 5 are arranged in the mounting seat 1 in parallel with the driving shaft 3 at intervals.
The sun wheel assembly 6 comprises a sun wheel sleeve 61, a rotary disc 62, a hollow slide block 63, a transition connecting piece 64 and a polishing disc 65; the sun gear sleeve 61 is a convex connecting sleeve with an opening at the upper part and the lower part, the small end of the connecting sleeve is installed in the second installation hole of the installation base 1 through a rolling bearing, and the large end of the connecting sleeve is located outside the installation base 1.
The output shaft of the driving motor 2 is connected with the driving shaft 3 through a coupling, the driving shaft 3 is connected with the driven shaft 5 through a transmission mechanism 4 and is connected with the sun gear sleeve 61 through a second transmission mechanism 7, the transmission mechanism 4 comprises a small driving belt wheel 41 arranged on the driving shaft 3, a large driven belt wheel 43 arranged on the driven shaft 5 and a th toothed belt 42 connected with the small driving belt wheel 41 and the large driven belt wheel 43, the second transmission mechanism 7 comprises a large driving belt wheel 71 arranged on the driving shaft 3, a belt wheel seat 74 sleeved on the driven shaft 5 and fixedly connected with the sun gear sleeve 61, a small driven belt wheel 73 arranged on the belt wheel seat and a second toothed belt 72 connected with the large driving belt wheel 71 and the small driven belt wheel 73.
As shown in fig. 2, the axis of the turntable 62 is provided with a through hole 621, and the lower part of the turntable 62 is provided with a T-shaped groove 622 transversely penetrating through the turntable 62; the upper end of the hollow slide block 63 is provided with a clamping groove (see fig. 3) matched with the T-shaped groove 622, the upper end of the hollow slide block is arranged on the T-shaped groove 622 of the turntable 62, the hollow slide block 63 can move along the T-shaped groove 622, and after the eccentricity is adjusted, the hollow slide block 63 is fixed by a screw on the hollow slide block 63.
The driven shaft 5 is arranged on the sun wheel sleeve 61 in a penetrating mode through a bearing, the end of the driven shaft extends into the large end through the small end of the sun wheel sleeve 61, and the driven shaft 5 is fixedly connected with the rotary disc 62 arranged in the large end of the sun wheel sleeve 61 through interference fit or welding with the through hole 621, so that the driven shaft 5 drives the rotary disc 62 to rotate.
A sun gear 613 with internal teeth is fixedly arranged on the inner wall of the end head of the large end of the sun gear sleeve 61; the upper part of the transition connecting piece 64 is arranged in the hollow sliding block 63 through a rolling bearing; the polishing disk 65 is connected with the transition connecting piece 64 through a spherical hinge; the lower part of the transition piece 64 extends out of the hollow slide block 63, and the outer circumference of the transition piece is fixedly sleeved with a planet wheel 641 engaged with the sun wheel 613.
The working process of the embodiment:
when polishing operation is carried out, the driving motor 2 drives the driving shaft 3 to rotate.
The driving shaft 3 rotates the driven shaft 5 through the th transmission mechanism 4, the driven shaft 5 drives the turntable 62 to rotate, the turntable 62 enables the transition connecting piece 64 to revolve around the driven shaft 5 through the hollow slide block 63, the transition connecting piece 64 drives the polishing disk 65 to revolve around the driven shaft 5 through the planet wheel 641 meshed with the sun wheel 613 in the sun wheel sleeve 61, and the polishing disk 65 rotates around the central axis thereof while revolving;
meanwhile, the driving shaft 3 drives the sun gear sleeve 61 to rotate through the second transmission mechanism 7, and the sun gear sleeve 61 rotates around the central axis thereof through the sun gear 613 and the planet gear 641 which are meshed with each other; the sun gear sleeve 61 rotates while pushing the planet gears 641 to rotate.
During polishing, the eccentricity of the polishing disk can be adjusted by replacing the planet gears 641 with different numbers of teeth and adjusting the position of the hollow slide block on the turntable 62.
The revolution-to-rotation speed ratio of the polishing disk 65 can also be adjusted by replacing the number of teeth of the pulleys in the th transmission mechanism 4 and the second transmission mechanism 7.
Example two
As shown in fig. 1 and 5, the present embodiment provides planetary polishing apparatuses, which include a mounting base 1, a driving motor 2, a driving shaft 3, a transmission mechanism 4, a second transmission mechanism 7, a driven shaft 5 and a sun gear assembly 6, wherein the driven shaft 5 is a hollow stepped shaft, and the upper end of the driven shaft is provided with a rotary joint 51.
The mounting seat 1 comprises a base 11 and a supporting shell 12 fixedly arranged on the upper surface of the base 11, wherein the base 11 is provided with a th mounting hole and a second mounting hole, the top of the supporting shell 12 is provided with a third mounting hole, a driving motor 2 is arranged in the third mounting hole of the supporting shell 12, a driving shaft 3 is arranged in the th mounting hole through a bearing, and driven shafts 5 are arranged in the mounting seat 1 in parallel with the driving shaft 3 at intervals.
The sun wheel assembly 6 comprises a sun wheel sleeve 61, a rotary disc 62, a hollow slide block 63, a transition connecting piece 64 and a polishing disc 65; the sun gear sleeve 61 is a convex connecting sleeve with an opening at the upper part and the lower part, the small end of the connecting sleeve is installed in the second installation hole of the installation base 1 through a rolling bearing, and the large end of the connecting sleeve is located outside the installation base 1. The transition connecting piece 64 is a cylinder, a lower rotary joint 642 is arranged at an air inlet at the upper end of the cylinder, and the lower rotary joint 642 is communicated with the lower end of the hollow driven shaft 5 through a pipeline.
The output shaft of the driving motor 2 is connected with the driving shaft 3 through a coupling, the driving shaft 3 is connected with the driven shaft 5 through a -th transmission mechanism 4 and is connected with the sun gear sleeve 61 through a second transmission mechanism 7, the -th transmission mechanism 4 comprises a driving small belt wheel 41 arranged on the driving shaft 3, a driven large belt wheel 43 arranged on the driven shaft 5 and a -th toothed belt 42 connecting the driving belt wheel and the driven belt wheel, and the second transmission mechanism 7 comprises a driving large belt wheel 71 arranged on the driving shaft 3, a belt wheel seat 74 sleeved on the driven shaft 5 and fixedly connected with the sun gear sleeve 61, a driven small belt wheel 73 arranged on the belt wheel seat and a second toothed belt 72 connecting the driving large belt wheel 71 and the driven small belt wheel 73.
As shown in fig. 2, the axis of the turntable 62 is provided with a through hole 621, and the lower part of the turntable 62 is provided with a T-shaped groove 622 transversely penetrating through the turntable 62; the upper end of the hollow slide block 63 is provided with a clamping groove (see fig. 3) matched with the T-shaped groove 622, the upper end of the hollow slide block is arranged on the T-shaped groove 622 of the turntable 62, the hollow slide block 63 can move along the T-shaped groove 622, and after the eccentricity is adjusted, the hollow slide block 63 is fixed by a screw on the hollow slide block 63.
The driven shaft 5 is arranged on the sun wheel sleeve 61 in a penetrating mode through a bearing, the end of the driven shaft extends into the large end through the small end of the sun wheel sleeve 61, and the driven shaft 5 is fixedly connected with the rotary disc 62 arranged in the large end of the sun wheel sleeve 61 through interference fit or welding with the through hole 621, so that the driven shaft 5 drives the rotary disc 62 to rotate.
A sun gear 613 with internal teeth is fixedly arranged on the inner wall of the end head of the large end of the sun gear sleeve 61; the upper part of the transition connecting piece 64 is arranged in the hollow sliding block 63 through a rolling bearing; the polishing disk 65 is connected with the transition connecting piece 64 through a spherical hinge; the lower part of the transition piece 64 extends out of the hollow slide block 63, and the outer circumference of the transition piece is fixedly sleeved with a planet wheel 641 engaged with the sun wheel 613.
The working process of the embodiment:
when polishing operation is carried out, the driving motor 2 drives the driving shaft 3 to rotate.
The driving shaft 3 rotates the driven shaft 5 through the th transmission mechanism 4, the driven shaft 5 drives the turntable 62 to rotate, the turntable 62 enables the transition connecting piece 64 to revolve around the driven shaft 5 through the hollow slide block 63, the transition connecting piece 64 drives the polishing disk 65 to revolve around the driven shaft 5 through the planet wheel 641 meshed with the sun wheel 613 in the sun wheel sleeve 61, and the polishing disk 65 rotates around the central axis thereof while revolving;
meanwhile, the driving shaft 3 drives the sun gear sleeve 61 to rotate through the second transmission mechanism 7, and the sun gear sleeve 61 rotates around the central axis thereof through the sun gear 613 and the planet gear 641 which are meshed with each other; the sun gear sleeve 61 rotates while pushing the planet gears 641 to rotate.
During polishing, the eccentricity of the polishing disk can be adjusted by replacing the planet gears 641 with different numbers of teeth and adjusting the position of the hollow slide block on the turntable 62.
The revolution-to-rotation speed ratio of the polishing disk 65 can also be adjusted by replacing the number of teeth of the pulleys in the th transmission mechanism 4 and the second transmission mechanism 7.
The polishing pressure of the polishing disk 65 can also be controlled by supplying compressed air to the air cylinder through the upper rotary joint 51, the center hole of the driven shaft 5, and the lower rotary joint 642.
EXAMPLE III
As shown in fig. 1 and 6, the present embodiment provides planetary polishing apparatuses, which include a mounting base 1, a driving motor 2, a driving shaft 3, a th transmission mechanism 4, a second transmission mechanism 7, a driven shaft 5 and a sun gear assembly 6.
The mounting seat 1 comprises a base 11 and a supporting shell 12 fixedly arranged on the upper surface of the base 11, wherein the base 11 is provided with a th mounting hole and a second mounting hole, the top of the supporting shell 12 is provided with a third mounting hole, a driving motor 2 is arranged in the third mounting hole of the supporting shell 12, a driving shaft 3 is arranged in the th mounting hole through a bearing, and driven shafts 5 are arranged in the mounting seat 1 in parallel with the driving shaft 3 at intervals.
The sun wheel assembly 6 comprises a sun wheel sleeve 61, a rotary disc 62, a hollow slide block 63, a transition connecting piece 64 and a polishing disc 65; the sun gear sleeve 61 is a convex connecting sleeve with an opening at the upper part and the lower part, the small end of the connecting sleeve is installed in the second installation hole of the installation base 1 through a rolling bearing, and the large end of the connecting sleeve is located outside the installation base 1.
The output shaft of the driving motor 2 is connected with the driving shaft 3 through a coupling, the driving shaft 3 is connected with the driven shaft 5 through a -th transmission mechanism 4 and is connected with the sun gear sleeve 61 through a second transmission mechanism 7, the -th transmission mechanism 4 comprises a driving small belt wheel 41 arranged on the driving shaft 3, a driven large belt wheel 43 arranged on the driven shaft 5 and a -th toothed belt 42 connecting the driving belt wheel and the driven belt wheel, and the second transmission mechanism 7 comprises a driving large belt wheel 71 arranged on the driving shaft 3, a belt wheel seat 74 sleeved on the driven shaft 5 and fixedly connected with the sun gear sleeve 61, a driven small belt wheel 73 arranged on the belt wheel seat and a second toothed belt 72 connecting the driving large belt wheel 71 and the driven small belt wheel 73.
As shown in fig. 2, the axis of the turntable 62 is provided with a through hole 621 with a square cross section, and the lower part of the turntable 62 is provided with a T-shaped groove 622 transversely penetrating through the turntable 62; the upper end of the hollow slide block 63 is provided with a clamping groove (see fig. 3) matched with the T-shaped groove 622, the upper end of the hollow slide block is arranged on the T-shaped groove 622 of the turntable 62, the hollow slide block 63 can move along the T-shaped groove 622, and after the eccentricity is adjusted, the hollow slide block 63 is fixed by a screw on the hollow slide block 63.
The driven shaft 5 penetrates through the sun wheel sleeve 61 through a bearing, the end connected with the rotary disc 62 is matched with the through hole 621 in shape, the end extends into the large end through the small end of the sun wheel sleeve 61 and is inserted into the square through hole 621, so that the driven shaft 5 can drive the rotary disc 62 arranged in the large end of the sun wheel sleeve 61 to rotate, the end of the driven shaft 5 can be fixedly connected with the through hole 621 in other modes such as interference fit or welding, and the like.
The inner wall of the big end of the sun wheel sleeve 61 is provided with a turntable bearing 611, the inner ring of the turntable bearing 611 is sleeved on the outer surface of the turntable 62, and the upper end of the outer circumference of the turntable 62 is provided with rings of flanges for axially positioning the turntable 62.
A sun gear 613 with internal teeth is fixedly arranged on the inner wall of the end head of the large end of the sun gear sleeve 61; a pressing ring 612 for pressing the turntable bearing 611 is arranged between the turntable bearing 611 and the sun gear 613, and the outer wall of the pressing ring 612 is tightly attached to the inner wall of the large end of the sun gear sleeve 61. The turntable 62 can be rotated more smoothly by the turntable bearing 611 and the flange.
The upper part of the transition connecting piece 64 is arranged in the hollow sliding block 63 through a rolling bearing; the polishing disk 65 is connected with the transition connecting piece 64 through a spherical hinge; the lower part of the transition piece 64 extends out of the hollow slide block 63, and the outer circumference of the transition piece is fixedly sleeved with a planet wheel 641 engaged with the sun wheel 613.
The working process of the embodiment:
when polishing operation is carried out, the driving motor 2 drives the driving shaft 3 to rotate.
The driving shaft 3 rotates the driven shaft 5 through the th transmission mechanism 4, the driven shaft 5 drives the turntable 62 to rotate, the turntable 62 enables the transition connecting piece 64 to revolve around the driven shaft 5 through the hollow slide block 63, the transition connecting piece 64 drives the polishing disk 65 to revolve around the driven shaft 5 through the planet wheel 641 meshed with the sun wheel 613 in the sun wheel sleeve 61, and the polishing disk 65 rotates around the central axis thereof while revolving;
meanwhile, the driving shaft 3 drives the sun gear sleeve 61 to rotate through the second transmission mechanism 7, and the sun gear sleeve 61 rotates around the central axis thereof through the sun gear 613 and the planet gear 641 which are meshed with each other; the sun gear sleeve 61 rotates while pushing the planet gears 641 to rotate.
During polishing, the eccentricity of the polishing disk can be adjusted by replacing the planet gears 641 with different numbers of teeth and adjusting the position of the hollow slide block on the turntable 62.
The revolution-to-rotation speed ratio of the polishing disk 65 can also be adjusted by replacing the number of teeth of the pulleys in the th transmission mechanism 4 and the second transmission mechanism 7.
Example four
As shown in fig. 1 and 7, the present embodiment provides planetary polishing apparatuses, which include a mounting base 1, a driving motor 2, a driving shaft 3, a -th transmission mechanism 4, a second transmission mechanism 7, a driven shaft 5 and a sun gear assembly 6, wherein the driven shaft 5 is a hollow stepped shaft, and the upper end of the driven shaft is provided with a rotary joint 51.
The mounting seat 1 comprises a base 11 and a supporting shell 12 fixedly arranged on the upper surface of the base 11, wherein the base 11 is provided with a th mounting hole and a second mounting hole, the top of the supporting shell 12 is provided with a third mounting hole, a driving motor 2 is arranged in the third mounting hole of the supporting shell 12, a driving shaft 3 is arranged in the th mounting hole through a bearing, and driven shafts 5 are arranged in the mounting seat 1 in parallel with the driving shaft 3 at intervals.
The sun wheel assembly 6 comprises a sun wheel sleeve 61, a rotary disc 62, a hollow slide block 63, a transition connecting piece 64 and a polishing disc 65; the sun gear sleeve 61 is a convex connecting sleeve with an opening at the upper part and the lower part, the small end of the connecting sleeve is installed in the second installation hole of the installation base 1 through a rolling bearing, and the large end of the connecting sleeve is located outside the installation base 1. The transition connecting piece 64 is a cylinder, a lower rotary joint 642 is arranged at an air inlet at the upper end of the cylinder, and the lower rotary joint 642 is communicated with the lower end of the hollow driven shaft 5 through a pipeline.
The output shaft of the driving motor 2 is connected with the driving shaft 3 through a coupling, the driving shaft 3 is connected with the driven shaft 5 through a -th transmission mechanism 4 and is connected with the sun gear sleeve 61 through a second transmission mechanism 7, the -th transmission mechanism 4 comprises a driving small belt wheel 41 arranged on the driving shaft 3, a driven large belt wheel 43 arranged on the driven shaft 5 and a -th toothed belt 42 connecting the driving belt wheel and the driven belt wheel, and the second transmission mechanism 7 comprises a driving large belt wheel 71 arranged on the driving shaft 3, a belt wheel seat 74 sleeved on the driven shaft 5 and fixedly connected with the sun gear sleeve 61, a driven small belt wheel 73 arranged on the belt wheel seat and a second toothed belt 72 connecting the driving large belt wheel 71 and the driven small belt wheel 73.
As shown in fig. 2, the axis of the turntable 62 is provided with a through hole 621 with a square cross section, and the lower part of the turntable 62 is provided with a T-shaped groove 622 transversely penetrating through the turntable 62; the upper end of the hollow slide block 63 is provided with a clamping groove (see fig. 3) matched with the T-shaped groove 622, the upper end of the hollow slide block is arranged on the T-shaped groove 622 of the turntable 62, the hollow slide block 63 can move along the T-shaped groove 622, and after the eccentricity is adjusted, the hollow slide block 63 is fixed by a screw on the hollow slide block 63.
The driven shaft 5 penetrates through the sun wheel sleeve 61 through a bearing, the end connected with the rotary disc 62 is matched with the through hole 621 in shape, the end extends into the large end through the small end of the sun wheel sleeve 61 and is inserted into the square through hole 621, so that the driven shaft 5 can drive the rotary disc 62 arranged in the large end of the sun wheel sleeve 61 to rotate, the end of the driven shaft 5 can be fixedly connected with the through hole 621 in other modes such as interference fit or welding, and the like.
The inner wall of the big end of the sun wheel sleeve 61 is provided with a turntable bearing 611, the inner ring of the turntable bearing 611 is sleeved on the outer surface of the turntable 62, the upper end of the outer circumference of the turntable 62 is provided with circles of flanges for axially positioning the turntable 62, and the turntable 62 can rotate more stably through the turntable bearing 611 and the flanges.
A sun gear 613 with internal teeth is fixedly arranged on the inner wall of the end head of the large end of the sun gear sleeve 61; a pressing ring 612 for pressing the turntable bearing 611 is arranged between the turntable bearing 611 and the sun gear 613, and the outer wall of the pressing ring 612 is tightly attached to the inner wall of the large end of the sun gear sleeve 61.
The upper part of the transition connecting piece 64 is arranged in the hollow sliding block 63 through a rolling bearing; the polishing disk 65 is connected with the transition connecting piece 64 through a spherical hinge; the lower part of the transition piece 64 extends out of the hollow slide block 63, and the outer circumference of the transition piece is fixedly sleeved with a planet wheel 641 engaged with the sun wheel 613.
The working process of the embodiment:
when polishing operation is carried out, the driving motor 2 drives the driving shaft 3 to rotate.
The driving shaft 3 rotates the driven shaft 5 through the th transmission mechanism 4, the driven shaft 5 drives the turntable 62 to rotate, the turntable 62 enables the transition connecting piece 64 to revolve around the driven shaft 5 through the hollow slide block 63, the transition connecting piece 64 drives the polishing disk 65 to revolve around the driven shaft 5 through the planet wheel 641 meshed with the sun wheel 613 in the sun wheel sleeve 61, and the polishing disk 65 rotates around the central axis thereof while revolving;
meanwhile, the driving shaft 3 drives the sun gear sleeve 61 to rotate through the second transmission mechanism 7, and the sun gear sleeve 61 rotates around the central axis thereof through the sun gear 613 and the planet gear 641 which are meshed with each other; the sun gear sleeve 61 rotates while pushing the planet gears 641 to rotate.
During polishing, the eccentricity of the polishing disk can be adjusted by replacing the planet gears 641 with different numbers of teeth and adjusting the position of the hollow slide block on the turntable 62.
The revolution-to-rotation speed ratio of the polishing disk 65 can also be adjusted by replacing the number of teeth of the pulleys in the th transmission mechanism 4 and the second transmission mechanism 7.
The polishing pressure of the polishing disk 65 can also be controlled by supplying compressed air to the air cylinder through the upper rotary joint 51, the center hole of the driven shaft 5, and the lower rotary joint 642.
The above description is only for the preferred embodiment of the present invention, and the technical solution of the present invention is not limited thereto, and any known modifications made by those skilled in the art on the basis of the main technical idea of the present invention belong to the technical scope to be protected by the present invention.
Claims (10)
- The planetary polishing device is characterized by comprising an installation seat (1), and a driving motor (2), a driving shaft (3), a driven shaft (5) and a sun wheel assembly (6) which are arranged on the installation seat (1);the sun wheel assembly (6) comprises a sun wheel sleeve (61), a rotary disc (62), a hollow slide block (63), a transition connecting piece (64) and a polishing disc (65);the sun wheel sleeve (61) is a convex connecting sleeve with an opening at the upper part and the lower part, the small end of the sun wheel sleeve is rotatably arranged at the lower part of the mounting seat (1), and the large end of the sun wheel sleeve is positioned outside the mounting seat (1);the output shaft of the driving motor (2) is connected with the driving shaft (3), the driving shaft (3) is connected with the driven shaft (5) through an th transmission mechanism (4), and the driving shaft (3) is connected with the sun wheel sleeve (61) through a second transmission mechanism (7);a through hole (621) is arranged at the axis of the rotary table (62), and a T-shaped groove (622) transversely penetrating through the rotary table (62) is arranged at the lower part of the rotary table (62);the upper end of the hollow sliding block (63) is provided with a clamping groove matched with the T-shaped groove (622), and the upper end of the hollow sliding block is clamped in the T-shaped groove (622) and can move along the T-shaped groove (622);the driven shaft (5) is arranged on the sun wheel sleeve (61) in a penetrating way, and the end of the driven shaft extends into the big end through the small end of the sun wheel sleeve (61) and is connected with the turntable (62) arranged in the big end of the sun wheel sleeve (61) through the through hole (621);a sun gear (613) with internal teeth is fixedly arranged on the inner wall of the end head of the large end of the sun gear sleeve (61);the upper part of the transition connecting piece (64) is rotatably arranged in the hollow sliding block (63), and the polishing disk (65) is connected with the transition connecting piece (64); the lower part of the transition connecting piece (64) extends out of a hollow slide block (63), and the outer circumference of the transition connecting piece is fixedly sleeved with a planet wheel (641) meshed with the sun wheel (613).
- 2. kinds of planetary polishing apparatus according to claim 1, wherein the through hole (621) has a polygonal cross-section, the end of the driven shaft (5) connected to the turntable (62) has a shape matching the shape of the through hole (621);a turntable bearing (611) is arranged on the inner wall of the large end of the sun wheel sleeve (61), and the inner ring of the turntable bearing (611) is sleeved on the outer surface of the turntable (62);a pressing ring (612) used for pressing the turntable bearing (611) is further arranged between the turntable bearing (611) and the sun wheel (613), and the outer wall of the pressing ring (612) is tightly attached to the inner wall of the large end of the sun wheel sleeve (61).
- 3. planetary polishing device according to claim 2, wherein the transition piece is hinged to the polishing disk (65).
- 4. A planetary polishing device of kinds according to claim 1, 2 or 3, characterized in that the driven shaft (5) is a hollow stepped shaft, and an upper rotary joint (51) is installed on the upper end thereof;the transition connecting piece (64) is a cylinder, a lower rotary joint (642) is installed at an air inlet at the upper end of the cylinder, and the lower rotary joint (642) is communicated with the lower end of a hollow driven shaft (5) through a pipeline.
- 5. planetary polishing device according to claim 4, wherein the upper end of the outer circumference of the turntable (62) is provided with rings of flanges for axial positioning of the turntable (62).
- 6. The planetary polishing apparatus according to claim 5, wherein:the th transmission mechanism (4) is a gear transmission mechanism or a belt transmission mechanism or a chain transmission mechanism;the second transmission mechanism (7) is a gear transmission mechanism or a belt transmission mechanism or a chain transmission mechanism.
- 7. kinds of planetary polishing device according to claim 6, wherein the transmission mechanism (4) includes a small driving pulley (41) provided on the driving shaft (3), a large driven pulley (43) provided on the driven shaft (5), and a th toothed belt (42) connecting the small driving pulley (41) and the large driven pulley (43).
- 8. A planetary polishing device as claimed in claim 7 in , wherein the second transmission mechanism (7) comprises a large driving pulley (71) disposed on the driving shaft (3), a pulley holder (74) sleeved on the driven shaft (5) and fixedly connected with the sun gear sleeve (61), a small driven pulley (73) mounted on the pulley holder, and a second toothed belt (72) connecting the large driving pulley (71) and the small driven pulley (73).
- 9. A planetary polishing device according to claim 8, wherein the driving shaft (3) and the driven shaft (5) are parallel to each other and spaced apart from each other, the mounting base (1) comprises a base (11) and a supporting shell (12) fixed on the upper surface of the base (11), the base (11) is provided with a th mounting hole for mounting the driving shaft (3) and a second mounting hole for mounting the sun gear sleeve (61), and the top of the supporting shell (12) is provided with a third mounting hole for mounting the driving motor (2).
- 10. A planetary polishing device according to claim 9, wherein the upper part of the transition piece (64) is mounted in the hollow slider (63) by a rolling bearing or a sliding bearing;the small end of the sun wheel sleeve (61) is installed in the second installation hole through a rolling bearing or a sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920445301.3U CN209998978U (en) | 2019-04-03 | 2019-04-03 | planetary polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920445301.3U CN209998978U (en) | 2019-04-03 | 2019-04-03 | planetary polishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209998978U true CN209998978U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920445301.3U Withdrawn - After Issue CN209998978U (en) | 2019-04-03 | 2019-04-03 | planetary polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209998978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026899A (en) * | 2019-04-03 | 2019-07-19 | 中国科学院西安光学精密机械研究所 | A kind of planetary polishing device |
| CN114715500A (en) * | 2022-04-22 | 2022-07-08 | 武汉理工大学 | Track device |
-
2019
- 2019-04-03 CN CN201920445301.3U patent/CN209998978U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026899A (en) * | 2019-04-03 | 2019-07-19 | 中国科学院西安光学精密机械研究所 | A kind of planetary polishing device |
| CN110026899B (en) * | 2019-04-03 | 2024-04-05 | 中国科学院西安光学精密机械研究所 | Planetary polishing device |
| CN114715500A (en) * | 2022-04-22 | 2022-07-08 | 武汉理工大学 | Track device |
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