CN112605788B - Full-automatic lens polishing machine tool - Google Patents
Full-automatic lens polishing machine tool Download PDFInfo
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- CN112605788B CN112605788B CN202110236471.2A CN202110236471A CN112605788B CN 112605788 B CN112605788 B CN 112605788B CN 202110236471 A CN202110236471 A CN 202110236471A CN 112605788 B CN112605788 B CN 112605788B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/005—Blocking means, chucks or the like; Alignment devices
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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
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a full-automatic lens polishing machine tool, comprising: the polishing platform comprises a base, a polishing component and a controller; the base is used for fixing the lens to be polished and driving the lens to rotate in all directions; the polishing component is used for polishing the lens; the controller is used for controlling the base and the polishing assembly to carry out polishing operation according to the set polishing parameters; the feeding manipulator is used for feeding the lens to be polished into the polishing platform; and the blanking manipulator is used for taking the polished lens out of the polishing platform. The base drives the lens to rotate in all directions and the polishing component is matched to polish the lens, so that the lens can be polished without repeatedly taking and placing the lens by personnel in the lens polishing process; meanwhile, the polishing parameters are controlled by the controller, so that the polishing effect of the lenses is better, and the consistency among the lenses is higher; in addition, the automatic feeding and discharging of the lenses are completed through the mechanical arm, so that the labor is saved. Therefore, the problem that the polishing effect of the existing polishing machine is not ideal is solved.
Description
Technical Field
The invention relates to the technical field of polishing machine tools, in particular to a full-automatic lens polishing machine tool.
Background
At present, many high-precision instruments and equipment have optical systems. The optical system is a system formed by combining a plurality of optical elements such as a lens, a reflector, a prism and a diaphragm in a certain order, for example, a plurality of lenses in a camera form a set of optical system. In one set of optical system, each lens has a certain influence on the final optical path, so that in order to ensure that the final optical system can achieve the designed effect, the optical surface of each lens must meet the design requirement, which puts a severe requirement on the processing precision of the lens.
The conventional lens polishing machine generally includes a housing, a clamping device and a grinding and polishing device, wherein the clamping device is located in the housing, the clamping device is used for fixing the lens, and the grinding and polishing device is used for grinding and polishing the lens. After the clamping device of the lens polishing machine clamps the lens, the position and the angle of the lens cannot be changed, and the lens only rotates along the axial direction of the clamping device; similarly, after the grinding parameters are set, the position of the grinding and polishing device relative to the lens is also fixed, and the grinding of the lens is realized through the rotation of the edge of the grinding roller.
When the existing polishing machine is used, a person is generally required to continuously adjust the clamping position of the lens and/or the position of the grinding and polishing device relative to the lens to grind different areas of the lens with different curvatures. Polishing in this manner not only requires labor, but also results in less than ideal lens polishing and less lens uniformity.
Disclosure of Invention
The invention aims to provide a full-automatic lens polishing machine tool, which at least solves the problem that the polishing effect of the existing polishing machine is not ideal.
In order to solve the above technical problems, the present invention provides a full-automatic lens polishing machine comprising: a polishing platform comprising a base, a polishing assembly, and a controller; the base is used for fixing a lens to be polished and driving the lens to rotate in all directions; the polishing component is used for polishing one surface of the lens far away from the base; the controller is used for setting polishing parameters and controlling the base and the polishing component according to the polishing parameters so as to polish the lens; the feeding mechanical arm is used for feeding the lens to be polished into the polishing platform; and the blanking manipulator is used for taking the polished lens out of the polishing platform.
Optionally, in the full-automatic lens polishing machine tool, the base includes the supporting seat and is located the sucking disc at supporting seat top, the material of sucking disc is the elasticity material, just be provided with a plurality of through-holes on the sucking disc, the through-hole is used for providing vacuum negative pressure, the sucking disc utilizes vacuum negative pressure will the lens is fixed.
Optionally, in the fully automatic lens polishing machine, the polishing assembly includes a connecting rod and a plurality of polishing heads with different roughness located at one end of the connecting rod, and the angle of the polishing heads relative to the connecting rod is adjustable; a plurality of the polishing heads are configured to: and sequentially polishing the lenses by utilizing at least one grinding head under the control of the controller.
Optionally, in the full-automatic lens polishing machine tool, the polishing assembly further includes a cleaning head, and the cleaning head is used for spraying a cleaning solution to the lens to clean the lens.
Optionally, in the full-automatic lens polishing machine tool, the full-automatic lens polishing machine tool further includes a detection platform for performing appearance detection and imaging detection on the polished lens.
Optionally, in the full-automatic lens polishing machine tool, the detection platform includes a conveyor belt, an appearance detection platform, an imaging detection platform, and a defective product box; the conveying belt is used for sequentially conveying the polished lens into the appearance detection platform and the imaging detection platform; the appearance detection platform is used for carrying out appearance detection on the polished lens; the imaging detection platform is used for carrying out imaging detection on the lens qualified in appearance detection; the defective product box is used for placing lenses with unqualified appearance detection and lenses with unqualified imaging detection.
Optionally, in the fully automatic lens polishing machine, the appearance inspection platform includes a placing table, an image sensor located above the placing table, and a first gripper; the minimum surface cleanliness of the placing table is 10000 grades, and the placing table is used for placing polished lenses; the image sensor is used for acquiring an image of the lens to analyze whether the lens meets the appearance requirement; the first grabbing clamp is used for grabbing the lenses which do not accord with the appearance requirements and placing the lenses into a defective product box, and placing the lenses which accord with the appearance requirements into the conveying belt.
Optionally, in the full-automatic lens polishing machine tool, the imaging detection platform includes a clamp, a light source, an imaging surface, and a second gripper; the clamp is used for clamping the lens and is positioned between the light source and the imaging surface so as to enable light rays emitted by the light source to form an image on the imaging surface through the lens; the imaging detection platform is configured to: forming different images on the imaging surface by changing the mutual distances among the lens, the light source and the imaging surface, analyzing the images formed on the imaging surface and the corresponding distances, and determining whether the optical performance of the lens meets the requirements or not; the second grabbing clamp is used for grabbing the lenses which do not meet the optical performance requirements and placing the lenses into a defective product box, and placing the lenses which meet the optical performance requirements into the conveying belt.
Optionally, in the full-automatic lens polishing machine, the full-automatic lens polishing machine further includes a cleaning device, and the cleaning device is used for cleaning the inside of the full-automatic lens polishing machine.
Optionally, in the fully automatic lens polishing machine tool, the cleaning device includes a shower head and a plasma air gun; the spray header is arranged in the polishing platform and used for cleaning the interior of the polishing platform; the plasma air gun is arranged in the detection platform and used for cleaning the inside of the detection platform.
The invention provides a full-automatic lens polishing machine tool, comprising: a polishing platform comprising a base, a polishing assembly, and a controller; the base is used for fixing a lens to be polished and driving the lens to rotate in all directions; the polishing component is used for polishing one surface of the lens far away from the base; the controller is used for setting polishing parameters and controlling the base and the polishing component according to the polishing parameters so as to polish the lens; the feeding mechanical arm is used for feeding the lens to be polished into the polishing platform; and the blanking manipulator is used for taking the polished lens out of the polishing platform. The base drives the lens to rotate in all directions and the polishing component is matched to polish the lens, so that the lens can be polished without repeatedly taking and placing the lens by personnel in the lens polishing process; meanwhile, the polishing parameters are controlled by the controller, so that the polishing effect of the lenses is better, and the consistency among the lenses is higher; in addition, the automatic feeding and discharging of the lenses are completed through the mechanical arm, so that the labor is saved. Therefore, the problem that the polishing effect of the existing polishing machine is not ideal is solved.
Drawings
Fig. 1 is a schematic structural diagram of a full-automatic lens polishing machine provided in this embodiment;
fig. 2 is a schematic structural diagram of a polishing platform of the fully automatic lens polishing machine provided in this embodiment;
FIG. 3 is a schematic structural diagram of a preferred full-automatic lens polishing machine according to the present embodiment;
wherein the reference numerals are as follows:
100-a polishing platform; 110-a base; 111-a support base; 112-a suction cup; 120-a polishing assembly; 121-connecting rod; 122-a grinding head; 210-a loading manipulator; 220-a blanking manipulator; 300-a detection platform; 310-a conveyor belt; 320-appearance detection platform; 330-imaging detection platform; 340-defective product box.
Detailed Description
The fully automatic lens polishing machine according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, and it is to be understood that such structures as are used are interchangeable where appropriate. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present embodiment provides a full-automatic lens polishing machine, as shown in fig. 1 and 2, including a polishing platform 100, a feeding robot 210 and a discharging robot 220; wherein:
a polishing platform 100 comprising a base 110, a polishing assembly 120, and a controller (not shown); the base 110 is used for fixing a lens to be polished and driving the lens to rotate in all directions; the polishing component 120 is used for polishing the surface of the lens away from the base; the controller is used for setting polishing parameters and controlling the base and the polishing component according to the polishing parameters so as to polish the lens;
a feeding robot 210 for feeding a lens to be polished into the polishing platform 100;
and a feeding robot 220 for taking the polished lens out of the polishing platform 100.
According to the full-automatic lens polishing machine tool provided by the embodiment, the base 110 drives the lens to rotate in all directions and the polishing component 120 is matched to polish the lens, so that the lens can be polished without repeatedly taking and placing the lens by personnel in the lens polishing process; meanwhile, the polishing parameters are controlled by the controller, so that the polishing effect of the lenses is better, and the consistency among the lenses is higher; in addition, the automatic feeding and discharging of the lenses are completed through the mechanical arm, so that the labor is saved. Therefore, the problem that the polishing effect of the existing polishing machine is not ideal is solved.
Preferably, in this embodiment, as shown in fig. 2, the base 110 includes a supporting base 111 and a suction cup 112 located at the top of the supporting base 111, the suction cup 112 is made of an elastic material, and a plurality of through holes are disposed on the suction cup 112, the through holes are used for providing vacuum negative pressure, and the suction cup 112 fixes the lens by using the vacuum negative pressure.
Specifically, the material of the suction cup 112 may be rubber, plastic, or a hard material coated with an elastic material. The material of the suction cup 112 is selected to be elastic, so that the lens can be prevented from being scratched, damaged, fractured and the like when being adsorbed and fixed, and the polishing yield is improved. The number of the through holes of the suction cup 112 can be any, and when the outer diameter of the suction cup 112 is 30-50 mm, the aperture size of the through holes is preferably 1-3 mm. The vacuum negative pressure can be provided by providing a connection pipe inside the support base 111, one end of which is connected to the suction cup 112 and the other end of which is connected to the vacuum machine. The pressure of the vacuum negative pressure can be set according to the size, weight and the like of the lens actually fixed. In addition, considering that general lenses are convex surfaces, the suction cup 112 can be made to be a concave surface in a free state, so that the suction cup 112 can be better attached to the lenses, and the reliability of fixation is improved.
Preferably, the chuck 112 is rotatable about an axis relative to the support base 111, so that the polishing assembly can polish the side edges of the lens.
In the present embodiment, with continued reference to fig. 2, the polishing assembly 120 includes a connecting rod 121 and a plurality of polishing heads 122 with different roughness located at one end of the connecting rod 121, wherein the angle of the polishing heads 122 relative to the connecting rod 121 is adjustable; the plurality of polishing heads 122 are configured to: the lenses are sequentially polished by at least one of the polishing heads 122 under the control of the controller.
The roughness of the material of the plurality of grinding heads 122 can be 600 meshes-10000 meshes, and the specific material can be sand paper, deerskin, flannelette and the like. It should be noted that the polishing effect of the polishing head 122 gradually decreases as the polishing time increases, and therefore, the polishing head 122 needs to be replaced periodically.
In order to reduce the number of times of replacement and maintenance of the polishing head 122, in this embodiment, the material of the contact area between the polishing head 122 and the lens may be selected to be a smooth surface material; and a through hole is provided in the center of the grinding head 122 for delivering a polishing agent during polishing. Specifically, the material of the grinding head can be rubber, plastic, even glass, ceramic and the like. In this embodiment, the roughness Ra of the contact area between the polishing head 122 and the lens is less than or equal to 0.01, and the polishing head 122 has a mirror effect. If the mirror effect of the polishing head 122 is missing or a rough surface is evident, it is indicated that the polishing head 122 needs to be replaced, which facilitates a person to quickly and easily confirm the lifetime of the polishing head 122. The polishing agent can be polishing liquid, polishing glue or polishing paste with different roughness. A delivery conduit may be disposed in the through-hole, through which the polishing agent is extruded and delivered to the polishing head 122 for polishing. When a different polishing agent needs to be replaced, the delivery conduit need only be removed for replacement, rather than disassembling the entire polishing head 122, which improves maintenance and replacement efficiency.
Preferably, in this embodiment, the polishing assembly 120 further includes a cleaning head, and the cleaning head is used for spraying a cleaning solution onto the lens to clean the lens. In this embodiment, it is preferable that the cleaning liquid sprayed by the cleaning head is in the form of high-pressure atomized water, so that the problems of cracking, pits and the like caused by the high-pressure beam-shaped water flow to the lens can be avoided, and the lens can be cleaned completely.
When a polishing operation is performed, first, parameters of polishing, including three-axis parameter values, polishing time, and the like of each polishing head 122, are set in the controller; then the lens is taken out from the tray by the feeding manipulator 210 and put on the suction cup 112 of the polishing platform 100, and the suction cup 112 fixes the lens by using vacuum negative pressure; then, starting the polishing platform, and polishing the lens by using the suction disc 112 and the polishing head 122 according to the set parameters, for example, firstly polishing the surface of the lens by using the polishing head 122 with a roughness of 600 meshes for about 5min, at the moment, the polishing head 122 with a roughness of 600 meshes is over against the lens, and simultaneously, the suction disc 112 drives the lens to perform three-axis rotation so as to complete polishing, and then polishing the surface of the lens by using the polishing head 122 with a roughness of 2000 meshes for about 8min, and finally polishing the surface of an area with 80% of the center of the lens by using the polishing head 122 with a roughness of 5000 meshes for about 10 min; after each polishing is finished, the cleaning head can clean the lens for 30s, and the powder generated by the polishing and the redundant polishing agent are washed; finally, the polished lens is removed from the chuck 112 by the unloading robot 220.
Of course, in other embodiments, the polishing process may be more complex, as may the polishing parameters, including the real-time three-axis angle of chuck rotation, the real-time three-axis angle of polishing head rotation, the location, time of polishing, the roughness of the polishing head, and so forth.
It should be noted that the robot grips the lateral edges of the lenses when gripping the lenses, so as to prevent scratching the lenses, and of course, a flexible protective layer, such as rubber, may be disposed in the gripping area of the robot to protect the lenses.
The embodiment further provides a better full-automatic lens polishing machine, as shown in fig. 3, in addition to the above-mentioned polishing platform 100, feeding robot 210 and discharging robot 220, the full-automatic lens polishing machine further comprises a detection platform 300 for performing appearance detection and imaging detection on the polished lens.
Through testing platform 300, can confirm automatically whether the lens after the polishing accords with the polishing requirement, save the manpower of back process and detect the outward appearance, still guaranteed that the lens after the polishing accords with the optical performance requirement simultaneously.
Specifically, in this embodiment, the inspection platform 300 includes a conveyor belt 310, an appearance inspection platform 320, an imaging inspection platform 330, and a defective product box 340; the conveyor 310 is used for sequentially conveying the polished lenses into the appearance detection platform 320 and the imaging detection platform 330; the appearance detection platform 320 is used for performing appearance detection on the polished lens; the imaging detection platform 330 is used for performing imaging detection on the lens qualified in appearance detection; the defective product box 340 is used for placing lenses with unqualified appearance detection and lenses with unqualified imaging detection.
Further, in this embodiment, the appearance inspection platform 320 includes a placing table, an image sensor located above the placing table, and a first gripper; the minimum surface cleanliness of the placing table is 10000 grades, and the placing table is used for placing polished lenses; the image sensor is used for acquiring an image of the lens to analyze whether the lens meets the appearance requirement; the first grabbing clamp is used for grabbing the lenses which do not accord with the appearance requirements and placing the lenses into a defective product box, and placing the lenses which accord with the appearance requirements into the conveying belt.
The appearance inspection platform 320 is mainly used for inspecting whether white spots, cracks, gaps and the like exist in the polished lens. Because the lens is transparent material for the most part, consequently place the platform and can be the black surface, the preferred be the cotton flannel surface to can avoid light reflection of light etc. to make image sensor acquire clear lens image. The placing table needs to be guaranteed to have higher cleanliness, so that misjudgment of the appearance of the lens due to dirt on the surface of the placing table and the like can be avoided. The image sensor can select a CCD, and the pixel is more than 500 ten thousand pixels in general, so as to ensure the identification of the tiny defects. The intelligent determination of the appearance by using the image sensor is realized by those skilled in the relevant art, and is not described herein again. The accommodating degree (i.e. the judgment standard) of each type of defect can be set according to the actual requirement. Preferably, the visual inspection platform 320 can be inspected by using a calibration sample before production to confirm that the visual inspection platform 320 is operating normally.
And, in this embodiment, the imaging detection platform 330 includes a clamp, a light source, an imaging surface, and a second gripper; the clamp is used for clamping the lens and is positioned between the light source and the imaging surface so as to enable light rays emitted by the light source to form an image on the imaging surface through the lens; the imaging detection platform is configured to: forming different images on the imaging surface by changing the mutual distances among the lens, the light source and the imaging surface, analyzing the images formed on the imaging surface and the corresponding distances, and determining whether the optical performance of the lens meets the requirements or not; the second grabbing clamp is used for grabbing the lenses which do not meet the optical performance requirements and placing the lenses into a defective product box, and placing the lenses which meet the optical performance requirements into the conveying belt.
The detection principle of the imaging detection platform 330 is similar to that the lens is disposed in a specific optical system, and whether the lens meets the optical performance requirement is determined by analyzing the image of the optical system. The imaging detection platform 330 provided in this embodiment only includes a light source and an imaging surface, and is a simpler optical system. The preferred, anchor clamps can the centre gripping lens carry out the translation in optical axis axial direction and perpendicular axial direction to form a plurality of images, through carrying out the analysis to a plurality of images, alright with the formation of image effect that obtains the different regional positions of lens, and then can make the judgement to the optical property of lens.
Preferably, a database can be established in the imaging inspection platform 330, which includes images of all positions and areas of the qualified lenses, images of all positions and areas of the unqualified lenses, and images of all positions and areas of the marginal lenses, and the determination is performed by comparing the images of the inspected lenses with the images in the database. The data in the database can be imported by using relevant optical simulation software or can be imported by actual detection.
Of course, in other embodiments, the imaging detection platform 330 may also include other lenses or optical components to confirm the optical performance of the lenses. The specific design thereof can be selected according to actual requirements, and can be realized by those skilled in the art, and is not described herein again.
In other embodiments, the imaging detection platform may also be: the method comprises the steps of irradiating a lens by using a laser beam, receiving reflected light and refracted light generated on the lens by the laser beam to form a 3D model of the lens, analyzing and processing the 3D model to obtain parameters such as curvature and thickness of each part of the lens, and comparing the parameters with designed values to confirm whether the optical performance of the lens meets requirements. Similarly, the design value may be imported by optical simulation software, or may be manually measured and input.
It should be noted that, when the first gripping clamp and the second gripping clamp grip the lens, the first gripping clamp and the second gripping clamp should grip the side edge of the lens to prevent the lens from being scratched, and preferably, a protective material such as rubber can be disposed at the gripping position to prevent the lens from being scratched. The function of the gripper is to take the product to be detected off the conveyor belt 310 and put the lens into the defective box 340 or put the lens back to the conveyor belt 310 according to the detection result after the detection is completed. The conveyor 310 may be configured to stop conveying when a gripper is engaged in a grabbing operation; and when detecting that the products flow into the corresponding detection windows and the grippers do not clamp, stopping conveying and waiting to prevent the products from being missed. The realization of the function can be realized by arranging components such as a sensor and a counter, the specific design can be realized by technical personnel in the related field, and the details are not repeated here.
Still further, in this embodiment, the fully automatic lens polishing machine further includes a cleaning device, and the cleaning device is used for cleaning the inside of the fully automatic lens polishing machine.
By arranging the cleaning device, impurities such as dust and the like formed by polishing can be prevented from polluting the lenses, and the cleanness of the inside of the machine table can be ensured; in addition, the accuracy and reliability of subsequent detection results can be ensured.
Specifically, in this embodiment, the cleaning device includes a shower head and a plasma air gun; the spray header is arranged in the polishing platform and used for cleaning the interior of the polishing platform; the plasma air gun is arranged in the detection platform and used for cleaning the inside of the detection platform.
Because the polishing platform can generate a large amount of grinding powder and polishing agent residues, the powder, the polishing agent and the like can be washed and drenched by spraying cleaning liquid through the spray head. In the detection platform, static electricity may be generated due to the related circuits, optical paths, and the like; meanwhile, part of dust particles can be adsorbed, so that static electricity can be removed by using the plasma air gun, the adsorbed dust particles can be blown off, the environment of the detection platform is ensured, and the reliability of the detection result is further ensured.
In summary, the full-automatic lens polishing machine provided by the embodiment comprises: a polishing platform comprising a base, a polishing assembly, and a controller; the base is used for fixing a lens to be polished and driving the lens to rotate in all directions; the polishing component is used for polishing one surface of the lens far away from the base; the controller is used for setting polishing parameters and controlling the base and the polishing component according to the polishing parameters so as to polish the lens; the feeding mechanical arm is used for feeding the lens to be polished into the polishing platform; and the blanking manipulator is used for taking the polished lens out of the polishing platform. The base drives the lens to rotate in all directions and the polishing component is matched to polish the lens, so that the lens can be polished without repeatedly taking and placing the lens by personnel in the lens polishing process; meanwhile, the polishing parameters are controlled by the controller, so that the polishing effect of the lenses is better, and the consistency among the lenses is higher; in addition, the automatic feeding and discharging of the lenses are completed through the mechanical arm, so that the labor is saved. Therefore, the problem that the polishing effect of the existing polishing machine is not ideal is solved.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (6)
1. A full-automatic lens polishing machine, characterized in that, full-automatic lens polishing machine includes:
a polishing platform comprising a base, a polishing assembly, and a controller; the base is used for fixing a lens to be polished and driving the lens to rotate in all directions; the polishing component is used for polishing one surface of the lens far away from the base; the controller is used for setting polishing parameters and controlling the base and the polishing component according to the polishing parameters so as to polish the lens;
the detection platform comprises a conveyor belt, an appearance detection platform, an imaging detection platform and a defective product box; the conveying belt is used for sequentially conveying the polished lens into the appearance detection platform and the imaging detection platform; the appearance detection platform is used for carrying out appearance detection on the polished lens; the imaging detection platform is used for carrying out imaging detection on the lens qualified in appearance detection; the defective product box is used for placing lenses with unqualified appearance detection and lenses with unqualified imaging detection; the appearance detection platform comprises a placing table, an image sensor and a first gripper, wherein the image sensor and the first gripper are positioned above the placing table; the minimum surface cleanliness of the placing table is 10000 grades, and the placing table is used for placing polished lenses; the image sensor is used for acquiring an image of the lens to analyze whether the lens meets the appearance requirement; the first grabbing clamp is used for grabbing the lenses which do not meet the appearance requirements and placing the lenses into a defective product box, and placing the lenses which meet the appearance requirements into the conveying belt; the imaging detection platform comprises a clamp, a light source, an imaging surface and a second gripper; the clamp is used for clamping the lens and is positioned between the light source and the imaging surface so as to enable light rays emitted by the light source to form an image on the imaging surface through the lens; the imaging detection platform is configured to: forming different images on the imaging surface by changing the mutual distances among the lens, the light source and the imaging surface, analyzing the images formed on the imaging surface and the corresponding distances, and determining whether the optical performance of the lens meets the requirements or not; the second gripping clamp is used for gripping the lenses which do not meet the optical performance requirement and placing the lenses into a defective product box, and placing the lenses which meet the optical performance requirement into the conveying belt;
the feeding mechanical arm is used for feeding the lens to be polished into the polishing platform;
and the blanking manipulator is used for taking the polished lens out of the polishing platform.
2. The automatic lens polishing machine according to claim 1, wherein the base comprises a support base and a suction cup located on top of the support base, the suction cup is made of elastic material, and a plurality of through holes are provided on the suction cup, the through holes are used for providing vacuum negative pressure, and the suction cup fixes the lens by using the vacuum negative pressure.
3. The fully automatic lens polishing machine of claim 1 wherein the polishing assembly includes a connecting rod and a plurality of differently roughened grinding heads at one end of the connecting rod, the grinding heads being angularly adjustable relative to the connecting rod; a plurality of the polishing heads are configured to: and sequentially polishing the lenses by utilizing at least one grinding head under the control of the controller.
4. The fully automatic lens polishing machine of claim 3 wherein the polishing assembly further comprises a cleaning head for spraying a cleaning fluid against the lens to clean the lens.
5. The fully automatic lens polishing machine of claim 1 further comprising a cleaning device for cleaning the interior of the fully automatic lens polishing machine.
6. The fully automatic lens polishing machine of claim 5 wherein said cleaning device comprises a showerhead and a plasma air gun; the spray header is arranged in the polishing platform and used for cleaning the interior of the polishing platform; the plasma air gun is arranged in the detection platform and used for cleaning the inside of the detection platform.
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Address after: 215300 Room 009, No. 55, Shengchuang Road, Yushan Town, Kunshan, Suzhou, Jiangsu Province Patentee after: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 215300 no.1689-5 Zizhu Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Country or region before: China |