CN115026702B - High-efficient burnishing device - Google Patents
High-efficient burnishing device Download PDFInfo
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- CN115026702B CN115026702B CN202210959215.0A CN202210959215A CN115026702B CN 115026702 B CN115026702 B CN 115026702B CN 202210959215 A CN202210959215 A CN 202210959215A CN 115026702 B CN115026702 B CN 115026702B
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- 238000005498 polishing Methods 0.000 claims abstract description 125
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- 230000005484 gravity Effects 0.000 claims description 5
- 208000010727 head pressing Diseases 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000007517 polishing process Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 2
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0084—Other grinding machines or devices the grinding wheel support being angularly adjustable
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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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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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
Abstract
The invention discloses a high-efficiency polishing device which comprises a mounting top plate, a linear guide rail, a rotating shaft mounting seat, a servo motor, a coupler, a bearing seat, a rotating shaft, a spherical polishing head and a double-acting low-friction cylinder. The invention controls the polishing device through the six-degree-of-freedom robot, so that the range of the processing angle is wider; the servo motor is connected with a rotating shaft connected with the spherical polishing head, the spherical polishing head does not eccentrically revolve, the rotating speed is higher, and when the spherical polishing head is inclined at a certain angle and is in contact with a workpiece to be polished, the linear velocity of a contact area is higher, so that the polishing efficiency is higher.
Description
Technical Field
The invention belongs to the technical field of optical polishing devices, and particularly relates to a high-efficiency polishing device.
Background
The polishing disc is used for polishing objects, and is divided into a crystal polishing disc, a wool polishing disc, a flannelette polishing disc and the like, and the polishing disc can be selected according to the requirements according to different hardness.
At present, a small tool polishing technology adopting a polishing disc, such as a planetary motion type small tool and a flat rotating small tool, has low rotating speed and linear velocity due to an eccentric rotating structure, and has low removal efficiency of polishing materials; moreover, the base of the polishing disk cannot be well attached to the aspheric surface and the free-form surface with large deviation, the polishing effect is poor, and the polishing precision cannot meet the optical requirement.
Disclosure of Invention
It is an object of the present invention to provide a high-efficiency polishing apparatus for solving at least one of the above-mentioned problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high-efficient burnishing device, is including installation roof, linear guide, pivot mount pad, servo motor, shaft coupling, bearing frame, rotation axis, spherical burnishing head and two effect low friction cylinders, the installation roof is installed in the flange tip of six degree of freedom robots, and linear guide installs in the lower extreme of installation roof, and the pivot mount pad is installed on linear guide's slider, and the bearing frame is installed on the pivot mount pad, and servo motor installs on the bearing frame, and servo motor passes through the shaft coupling and links to each other with the rotation axis, and spherical burnishing head installs in the rotation axis lower extreme.
As a preferred technical solution of the present invention, the lower end of the installation top plate is installed with an installation side plate, and the linear guide is installed on the installation side plate.
As a preferred technical solution in the present invention, the slider of the linear guide is provided with a photoelectric switch, and the mounting side plate is provided with a photoelectric switch baffle aligned with the detection groove of the photoelectric switch.
As a preferable technical solution of the present invention, the mounting side plate is further mounted with a laser displacement sensor for detecting a position of the slider of the linear guide.
As a preferred technical scheme, a motor mounting seat is mounted at the upper end of the bearing seat, and the servo motor is mounted on the motor mounting seat.
As a preferable technical scheme, the lower end of the mounting top plate is provided with a double-acting low-friction cylinder, an output rod of the double-acting low-friction cylinder is connected with a force sensor, and one end, far away from the double-acting low-friction cylinder, of the force sensor is connected with a sliding block of the linear guide rail.
As a preferred technical scheme, the efficient polishing device further comprises a five-position two-way electromagnetic valve and a servo proportional valve connected with the controller, wherein the servo proportional valve is communicated with the five-position two-way electromagnetic valve, and the five-position two-way electromagnetic valve is respectively connected with an upper cavity and a lower cavity of the double-acting low-friction cylinder.
As a preferable technical solution of the present invention, a biaxial inclination angle sensor is mounted at a lower end of the mounting top plate.
As a preferred technical scheme in the invention, the spherical polishing head comprises a polishing head mounting seat, a rubber ball head, a ball head pressing ring and a ball head locking nut, the polishing head mounting seat is mounted at the lower end of the rotating shaft, the ball head locking nut is connected to the polishing head mounting seat, the rubber ball head is tightly pressed at the lower end of the polishing head mounting seat through the ball head locking nut, and the ball head pressing ring is arranged between the ball head locking nut and the rubber ball head.
As a preferred technical scheme in the invention, the rubber ball head is made of natural rubber with the Shore hardness of 45 degrees, and a foamed polyurethane pad, a damping cloth or a fixed abrasive polishing pad is bonded on the surface of the rubber ball head.
Has the advantages that:
1. according to the invention, the mounting top plate at the upper end of the polishing device is mounted at the flange end part of the six-degree-of-freedom robot, the control of the six-degree-of-freedom robot on the polishing device is realized through the connection of the flange end part and the mounting top plate, and the range of a machinable angle is larger; the linear guide rail is arranged at the lower end of the mounting top plate and can drive the spherical polishing head to move up and down freely; servo motor installs on the bearing frame, servo motor passes through the shaft coupling and links to each other with the rotation axis, guarantee servo motor to the stability control of rotation axis, both can reduce the friction that the rotation axis rotation in-process produced, can guarantee the stability of rotation axis again, and then guarantee spherical polishing head's polishing effect, and simultaneously, servo motor links to each other with the rotation axis of connecting spherical polishing head, spherical polishing head does not have eccentric revolution, the rotational speed is higher, when certain angle of slope of spherical polishing head and the work piece contact of treating the polishing, the contact area linear velocity is bigger, consequently, polishing efficiency is higher.
2. The double-acting low-friction air cylinder is arranged in the polishing device, an output rod of the double-acting low-friction air cylinder is connected with a slide block of the linear guide rail through the force sensor, the double-acting low-friction air cylinder and the force sensor are adopted for polishing pressure closed-loop control, the force control precision is high, the force flexibility is good, and the intermediate frequency error of the polished surface is smaller.
3. The mounting side plate is also provided with a laser displacement sensor for detecting the position of the sliding block of the linear guide rail, the laser displacement sensor is adopted for real-time monitoring of the up-and-down movement position of the spherical polishing head, soft limit can be set for alarm reminding, meanwhile, the sliding block of the linear guide rail is provided with a photoelectric switch, the mounting side plate is provided with a photoelectric switch baffle aligned with a detection groove of the photoelectric switch, a safety limit mechanism is formed by the photoelectric switch and the photoelectric switch baffle, robot movement and rotation of the spherical polishing head can be stopped within a limited time when safety limit occurs, and the safety of two-stage safety guarantee measures is better.
4. The rubber ball head with proper hardness is used as the base of the spherical polishing head, and the spherical polishing head can be attached to a large-deviation aspheric surface and a free-form surface, so that the polishing precision is higher, and the universality is better.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a rear view of the present invention;
FIG. 5 is an exploded view of the spherical polishing head of the present invention.
In the figure: 1-six-degree-of-freedom robot, 2-side mounting plate, 3-top mounting plate, 4-linear guide rail, 5-rotating shaft mounting seat, 6-servo motor, 7-motor mounting seat, 8-coupler, 9-bearing seat, 10-rotating shaft, 11-polishing head mounting seat, 12-ball head fixing nut, 13-rubber ball head, 14-ball head pressing ring, 15-double-acting low-friction cylinder, 16-force sensor, 17-servo proportional valve, 18-five-position two-way electromagnetic valve, 19-photoelectric switch, 20-photoelectric switch baffle, 21-laser displacement sensor and 22-biaxial inclination angle sensor.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the embodiments or the description in the prior art, it is obvious that the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
The first embodiment is as follows:
as shown in fig. 1, 2, 3 and 4, the present embodiment provides a high efficiency polishing apparatus, which includes a mounting top plate 3, a linear guide 4, a rotating shaft mounting seat 5, a servo motor 6, a coupling 8, a bearing seat 9, a rotating shaft 10, a spherical polishing head and a double-acting low friction cylinder 15, wherein the mounting top plate 3 is mounted at a flange end of a six-degree-of-freedom robot 1, and the control of the polishing apparatus by the six-degree-of-freedom robot 1 is realized through the connection of the flange end and the mounting top plate 3, and the range of the machinable angle is wider, wherein the six-degree-of-freedom robot 1 is a prior art and is not within the protection range of the present application, and therefore no specific limitation is made, the linear guide 4 is mounted at a lower end of the mounting top plate 3, the linear guide 4 may be directly connected to the lower end of the mounting top plate 3 or indirectly connected to the lower end of the mounting top plate 3, and the linear guide 4 is mounted on the mounting top plate 2, the mounting side plate 2 may be mounted on the mounting side plate 2, the linear guide 4 may be mounted on the mounting side plate 2, so that the linear guide 4 may be mounted on the lower end of the mounting top plate 3, the linear guide 4, the rotating shaft 6 may be mounted on the rotating shaft 6, the rotating shaft 6 may be mounted on the bearing seat, the servo motor 6, and the rotating shaft 6 may be mounted on the bearing seat, so that the bearing seat 6, the bearing seat may be easily and the rotating shaft 6, and the rotating shaft 6 may be mounted on the bearing seat, and the bearing seat, so that the rotating shaft 6 may be installed on the bearing seat, and the bearing seat, the rotating shaft 6 to control the bearing seat, and the bearing seat 6, and then polishing operation is carried out, the linear guide rail 4 can indirectly drive the spherical polishing head to lift, and then the control of the six-degree-of-freedom robot 1 is combined, the six-degree-of-freedom robot 1 controls the polishing device to tilt for a certain angle during working, so that the spherical surface of the spherical polishing head is contacted with the surface of a workpiece to carry out polishing processing, wherein the servo motor 6 is connected with a rotating shaft 10 connected with the spherical polishing head, the spherical polishing head does not have eccentric revolution, the rotating speed is higher, when the spherical polishing head tilts for a certain angle and is contacted with the workpiece to be polished, the linear velocity of a contact area is higher, and therefore, the polishing efficiency is higher.
It should be noted that, the servo motor 6 is installed on the bearing seat 9, and may be connected with the outer ring of the bearing seat 9, and the rotating shaft 10 passes through the inner ring of the bearing seat 9, and the inner ring and the outer ring of the bearing seat 9 may rotate freely, so that friction generated during the rotation process of the rotating shaft 10 may be reduced, and the stability of the rotating shaft 10 may be ensured, thereby ensuring the polishing effect of the spherical polishing head.
According to the invention, the mounting top plate 3 at the upper end of the polishing device is mounted at the flange end part of the six-degree-of-freedom robot 1, the control of the six-degree-of-freedom robot 1 on the polishing device is realized through the connection of the flange end part and the mounting top plate 3, and the range of a machinable angle is larger; the linear guide rail 4 is arranged at the lower end of the mounting top plate 3 and can drive the spherical polishing head to move up and down freely; servo motor 6 installs on bearing frame 9, servo motor 6 passes through shaft coupling 8 and links to each other with rotation axis 10, guarantee servo motor 6 to the stable control of rotation axis 10, both can reduce the friction that rotation axis 10 rotates the in-process and produce, can guarantee rotation axis 10's stability again, and then guarantee spherical polishing head's polishing effect, and simultaneously, servo motor 6 links to each other with the rotation axis 10 of connecting spherical polishing head, spherical polishing head does not have eccentric revolution, the rotational speed is higher, when certain angle of slope of spherical polishing head and the work piece contact of treating the polishing, the contact area linear velocity is bigger, therefore, the polishing efficiency is higher.
Example two:
the present embodiment is a further improvement on the basis of the first embodiment, and specific differences between the present embodiment and the first embodiment are as follows:
as a preferred embodiment of the present invention, it is further described that, as shown in fig. 1, fig. 2 and fig. 3, a photoelectric switch 19 is installed on a slider of the linear guide rail 4, a photoelectric switch baffle 20 is installed on the installation side plate 2, and the photoelectric switch baffle 20 is aligned with a detection slot of the photoelectric switch 19, a safety limit mechanism is composed of the photoelectric switch 19 and the photoelectric switch baffle 20, an output signal of the photoelectric switch 19 can be collected by a PLC controller or a single chip microcomputer controller, and simultaneously controls an action of a relay, a normally closed contact of the relay is connected to a safety stop loop of the six-degree-of-freedom robot 1, when the six-degree-of-freedom robot 1 moves down all the time due to a misoperation or a program error, a hard contact may be made between a spherical polishing head and a workpiece to be processed, so that the spherical polishing head indirectly drives the slider to slide up passively, further the photoelectric switch 19 and the photoelectric switch baffle 20 trigger a signal, the photoelectric switch 19 triggers the six-degree-of freedom robot 1 to stop suddenly, and the servo motor 6 is electrically connected to the PLC controller, so that the spherical single chip microcomputer rotates under the control of the PLC controller or the single chip microcomputer controller to stop to protect the safety workpiece.
Example three:
the present embodiment is a further improvement made on the basis of the first embodiment or the second embodiment, and the specific differences between the present embodiment and the first embodiment or the second embodiment are:
as a preferred embodiment of the present invention, it should be further explained that, as shown in fig. 1 and fig. 2, the mounting side plate 2 is further provided with a laser displacement sensor 21 for detecting a position of the slider of the linear guide rail 4, the laser displacement sensor 21 is electrically connected to a PLC controller or a single chip microcomputer controller, the PLC controller or the single chip microcomputer controller collects an output signal of the laser displacement sensor 21 in real time and converts the output signal into a displacement amount, a soft limit position amount can be set in the PLC controller or the single chip microcomputer controller, and when the slider of the linear guide rail 4 moves upward to exceed the soft limit, the PLC controller or the single chip microcomputer controller outputs an alarm signal as a safety measure for production, thereby ensuring safe production.
Example four:
the present embodiment is a further improvement made on the basis of any one of the first to third embodiments, and specific differences between the present embodiment and any one of the first to third embodiments are as follows:
as a preferred embodiment of the present invention, it should be further noted that a motor mounting seat 7 is installed at an upper end of the bearing seat 9, the servo motor 6 is installed on the motor mounting seat 7, and the servo motor 6 is installed on the bearing seat 9 through the motor mounting seat 7, so that the installation of the servo motor 6 is easier and more stable without changing the servo motor 6 and the bearing seat 9.
Example five:
the present embodiment is a further improvement made on the basis of any one of the first to fourth embodiments, and specific differences between the present embodiment and any one of the first to fourth embodiments are:
as a preferred embodiment of the present invention, it should be further explained that, as shown in fig. 1 and fig. 3, a double-acting low-friction cylinder 15 is installed at the lower end of the installation top plate 3, an output rod of the double-acting low-friction cylinder 15 is connected with a force sensor 16, one end of the force sensor 16 away from the double-acting low-friction cylinder 15 is connected with a slider of the linear guide 4, and the double-acting low-friction cylinder 15 and the force sensor 16 are used for polishing pressure closed-loop control, so that the force control accuracy is high, the force compliance is good, and the frequency error of the polished surface is smaller.
Example six:
the present embodiment is a further improvement made on the basis of any one of the first to fourth embodiments, and the specific differences between the present embodiment and any one of the first to fourth embodiments are as follows:
as a preferred embodiment of the present invention, it should be further explained that, as shown in fig. 1, fig. 3 and fig. 4, the high-efficiency polishing apparatus further includes a five-position two-way solenoid valve 18 and a servo proportional valve 17 connected to the controller, the servo proportional valve 17 is connected to the five-position two-way solenoid valve 18, the five-position two-way solenoid valve 18 is respectively connected to an upper chamber and a lower chamber of the double-acting low-friction cylinder 15, and the acting force of the spherical polishing head on the workpiece can be controlled by the servo proportional valve 17 and the two-way solenoid valve 18.
As a preferred embodiment in this embodiment, it should be further explained that, as shown in fig. 1, fig. 2 and fig. 3, a biaxial inclination angle sensor 22 is installed at the lower end of the installation top plate 3, the biaxial inclination angle sensor 22 is fixed on the installation top plate 3 and is used for measuring the inclination angle of the whole polishing device relative to the ground level, then the biaxial inclination angle sensor 22 transmits a detection signal to a PLC controller or a single chip microcomputer controller, the PLC controller or the single chip microcomputer controller calculates the air pressure compensation amount of the air cylinder in real time according to the measurement value of the inclination angle, and controls the servo proportional valve 17 to adjust the air pressure to compensate the gravity variation caused by the angle variation.
Example seven:
the present embodiment is a further improvement made on the basis of any one of the first to fifth embodiments, and the specific differences between the present embodiment and any one of the first to fifth embodiments are as follows:
as a preferred embodiment of the present invention, it needs to be further explained that, as shown in fig. 1 to fig. 5, the spherical polishing head includes a polishing head mounting seat 11, a rubber ball 13, a ball pressing ring 14 and a ball lock nut 12, the polishing head mounting seat 11 is mounted at the lower end of the rotating shaft 10, the ball lock nut 12 is connected to the polishing head mounting seat 11, and may be in threaded connection or may be connected by using friction force, preferably, the stability of the ball lock nut 12 is ensured by using threaded connection, then, a mounting cavity is formed between the ball lock nut 12 and the polishing head mounting seat 11, the rubber ball 13 is pressed against the lower end of the polishing head mounting seat 11 by the ball lock nut 12, the tail of the rubber ball 13 is pressed into the mounting cavity, the head of the rubber ball 13 passes through the ball lock nut 12, so as to facilitate the polishing operation, and the ball pressing ring 14 is disposed between the ball lock nut 12 and the rubber ball 13, so as to ensure the stability of the rubber ball 13 between the lock nut 12 and the polishing head mounting seat 11. It should be noted that, in this embodiment, the rubber ball head 13 with appropriate hardness is used as the base of the spherical polishing head, so that an aspheric surface with a large deviation and a free-form surface can be attached, the polishing precision is higher, and the universality is better.
Example eight:
the present embodiment is a further improvement on the basis of the sixth embodiment, and specific differences between the present embodiment and the sixth embodiment are:
as a preferred embodiment of the present invention, it should be further described that the rubber ball 13 is made of natural rubber with shore hardness of 45 degrees, the hardness is moderate, the size of the contact area and the pressure distribution of the contact surface are moderate during polishing, a foamed polyurethane pad, a damping cloth or a fixed abrasive polishing pad is bonded on the surface of the rubber ball 13 to meet the polishing requirements of different materials and different processes, for example, the foamed polyurethane pad has good polishing quality and high polishing efficiency for common optical glass, the damping cloth is suitable for polishing of softer materials, and the fixed abrasive polishing pad has high polishing removal efficiency for superhard workpiece materials to be polished.
The working principle of the invention is as follows:
1. the polishing device is driven by the six-degree-of-freedom robot 1, is in contact with the surface of a workpiece to be processed after being inclined at a certain angle, and performs continuous variable-speed motion on the surface of the workpiece by using a grating track or a spiral track to realize deterministic material removal and polishing, and the six-degree-of-freedom robot 1 controls the normal direction of the polishing device in the motion process to form a certain included angle with the normal direction of the surface of the workpiece to be processed all the time so as to ensure the stability of material removal.
2. The servo motor 6 drives the rotating shaft 10 to rotate through the coupler 8, so that the spherical polishing head rotates at a high speed, the spherical surface of the spherical polishing head is in contact with the surface of a workpiece to be processed, the relative linear velocity of a contact area is not zero, and materials are polished and removed under the combined action of polishing force.
3. The force applied to a workpiece by a polishing head is controlled by a double-acting low-friction cylinder 15, the specific principle is that the pushing force or the pulling force output by the cylinder is determined according to the size relation between the required polishing force and the self-gravity of the polishing head, a five-position two-way electromagnetic valve 18 is adopted to switch and control the upper cavity and the lower cavity of the cylinder to realize the switching of the pushing force and the pulling force, a servo proportional valve 17 is adopted to accurately adjust the air pressure of the double-acting low-friction cylinder 15 to realize the adjustment of the force, and a force sensor 16 is adopted to measure the force to control the servo proportional valve 17 in a closed loop mode.
4. In the polishing process, the polishing device needs to be inclined by a certain angle, and because the normal vector of the aspheric surface or the free-form surface is different everywhere, the included angle between the polishing device and the gravity direction is always changed, the components rx and ry of the included angle between the axial direction of the polishing device and the gravity direction in the two axial directions of the biaxial inclination angle sensor 22 are measured in real time by the biaxial inclination angle sensor 22, and if the dead weight of the polishing head is G, the force Fc required to be compensated by the double-acting low-friction cylinder 15 can be calculated by the following formula:
finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A high-efficiency polishing device is characterized by comprising a mounting top plate (3), a linear guide rail (4), a rotating shaft mounting seat (5), a servo motor (6), a coupler (8), a bearing seat (9), a rotating shaft (10), a spherical polishing head and a double-acting low-friction cylinder (15), wherein the mounting top plate (3) is mounted at the flange end part of a six-freedom-degree robot (1), the linear guide rail (4) is mounted at the lower end of the mounting top plate (3), the rotating shaft mounting seat (5) is mounted on a sliding block of the linear guide rail (4), the bearing seat (9) is mounted on the rotating shaft mounting seat (5), the servo motor (6) is mounted on the bearing seat (9), the servo motor (6) is connected with the rotating shaft (10) through the coupler (8), and the spherical polishing head is mounted at the lower end of the rotating shaft (10);
a photoelectric switch (19) is mounted on a sliding block of the linear guide rail (4), a photoelectric switch baffle plate (20) is mounted on the mounting side plate (2), and the photoelectric switch baffle plate (20) is aligned with a detection groove of the photoelectric switch (19);
the lower end of the mounting top plate (3) is provided with a double-acting low-friction cylinder (15), an output rod of the double-acting low-friction cylinder (15) is connected with a force sensor (16), and one end, far away from the double-acting low-friction cylinder (15), of the force sensor (16) is connected with a sliding block of the linear guide rail (4); the lower end of the mounting top plate (3) is provided with a biaxial inclination angle sensor (22); wherein, in the polishing process, high-efficient burnishing device need incline certain angle to because aspheric surface or free-form surface normal vector everywhere are inequality, burnishing device is all the time changing with the contained angle of gravity direction, through two axle tilt angle sensor (22) real-time measurement burnishing device axial with the weight rx and the ry of contained angle of gravity direction on two axle directions of two axle tilt angle sensor (22), the dead weight of spherical polishing head is G, then the required compensated power size Fc of two effect low friction cylinder (15) can be calculated by following formula:
2. a high efficiency polishing apparatus as claimed in claim 1, wherein said mounting top plate (3) is mounted at its lower end with a mounting side plate (2), and the linear guide (4) is mounted on the mounting side plate (2).
3. A high-efficiency polishing apparatus as claimed in claim 1 or 2, characterized in that a laser displacement sensor (21) for detecting the position of the slider of the linear guide (4) is further mounted on said mounting side plate (2).
4. A high-efficiency polishing device according to claim 1, characterized in that the upper end of the bearing seat (9) is provided with a motor mounting seat (7), and the servo motor (6) is arranged on the motor mounting seat (7).
5. The high-efficiency polishing device according to claim 1, further comprising a five-position two-way solenoid valve (18) and a servo proportional valve (17) connected with the controller, wherein the servo proportional valve (17) is communicated with the five-position two-way solenoid valve (18), and the five-position two-way solenoid valve (18) is respectively connected with the upper chamber and the lower chamber of the double-acting low-friction cylinder (15).
6. The high-efficiency polishing device according to claim 1, wherein the spherical polishing head comprises a polishing head mounting seat (11), a rubber ball head (13), a ball head pressing ring (14) and a ball head locking nut (12), the polishing head mounting seat (11) is mounted at the lower end of the rotating shaft (10), the ball head locking nut (12) is connected to the polishing head mounting seat (11), the rubber ball head (13) is pressed against the lower end of the polishing head mounting seat (11) through the ball head locking nut (12), and the ball head pressing ring (14) is arranged between the ball head locking nut (12) and the rubber ball head (13).
7. The high-efficiency polishing device according to claim 6, wherein the rubber ball head (13) is made of a natural rubber with a shore hardness of 45 degrees, and a foamed polyurethane pad, a damping cloth or a fixed abrasive polishing pad is bonded on the surface of the rubber ball head (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210959215.0A CN115026702B (en) | 2022-08-11 | 2022-08-11 | High-efficient burnishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210959215.0A CN115026702B (en) | 2022-08-11 | 2022-08-11 | High-efficient burnishing device |
Publications (2)
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Effective date of registration: 20231106 Address after: 21-1 # (Industrial Park), No. 469 Qingyun North Road, Puxing Street, Xinjin District, Chengdu City, Sichuan Province, 610000 Patentee after: Sichuan Zhizhen Precision Optics Co.,Ltd. Address before: 21-1 #, No. 469 Qingyun North Road, Jinhua Town, Xinjin County, Chengdu City, Sichuan Province, 610000 (Sichuan Xinjin Industrial Park) Patentee before: Sichuan Zhizhen Optoelectronics Co.,Ltd. |