Lens is cnc engraving and milling machine for runner processing
Technical Field
The invention belongs to the technical field of product processing, and particularly relates to an engraving and milling machine for processing a lens pouring gate.
Background
With the continuous development and popularization of optical devices, the lenses are used more and more widely and the dosage is larger, so that the requirements on the processing quality and the processing efficiency of the lenses are higher and higher. At present, no engraving and milling machine specially used for processing a lens sprue is available in the market; although the conventional engraving and milling machine has wide application range and can process metal and nonmetal, the conventional engraving and milling machine has large volume and high price, most of the conventional engraving and milling machines are positioned by mechanical structures, the positioning precision is poor, dust and impurities are easy to adhere to lenses in the processing process, the processing quality of the lenses is influenced, the lenses cannot be processed alternately and continuously, and the processing efficiency is low; it is difficult to meet the customization requirements of customers as standard products.
In view of this, it is urgently needed to develop and design a structure with simple structure, low cost and strong customizability; and the special processing device can not only meet the requirements of users on the processing precision and quality of the lenses, but also improve the processing efficiency.
Disclosure of Invention
Aiming at overcoming the defects in the prior art, the invention provides the engraving and milling machine for processing the lens sprue, which has the advantages of simple structure, low cost and strong customizability; and the requirements of users on the processing precision and quality of the lens can be met, and the processing efficiency can be improved.
In order to solve the problems in the prior art, the embodiment of the invention provides a finishing impression machine for processing a lens sprue, which comprises a machine base and an outer cover arranged on the machine base; an FFU fan filtering unit is arranged at an air inlet at the top end of the outer cover, and an air outlet structure communicated with the outside is arranged on the base;
two Y-direction carrying mechanisms which are arranged side by side along the X direction are arranged on the base in the outer cover, a support frame is arranged on the base corresponding to the middle position of the Y-direction carrying mechanisms, X-direction carrying mechanisms are respectively arranged on two opposite side parts of the support frame along the Y direction, and a Z-direction carrying mechanism is arranged on each X-direction carrying mechanism;
each Y-direction carrying mechanism comprises a base, a guide rail arranged on the base and two controlled bearing tables which are independently controlled and slide on the guide rail, and each controlled bearing table is provided with a lens pressing and positioning tool; each Z-direction carrying mechanism is provided with an electric spindle module for processing and a CCD visual positioning module; the lens compressing and positioning tool is used for compressing and positioning the lens; the CCD visual positioning module is used for carrying out visual positioning on the lens which is pressed and positioned; the electric spindle module for processing is used for processing the lens which is positioned by vision.
Further, a stator structure is arranged on the base; each controlled bearing table comprises a rotor structure which is matched with the stator structure and can move relatively and a bearing table which is connected with the rotor structure and is slidably mounted on the guide rail; when the rotor structure is electrified, the rotor structure interacts with the stator structure to generate electromagnetic thrust so as to drive the bearing table to move linearly.
Further, a grating ruler component or a magnetic grating ruler component is arranged on the base; and a grating reading head matched with the grating ruler assembly or a magnetic grating reading head matched with the magnetic grating ruler assembly is arranged on the rotor structure.
Further, the stator structure comprises a U-shaped magnetic yoke and stator magnet groups arranged on two opposite inner side walls of the U-shaped magnetic yoke; each rotor structure comprises a rotor base and a coil structure fixed on the rotor base; the coil structure extends into the U-shaped opening of the U-shaped magnetic yoke.
Further, the Z-direction conveying mechanism comprises a mounting plate arranged on the moving part of the X-direction conveying mechanism and a Z-direction moving piece arranged on the mounting plate; and a Z-direction tension spring is hung on the mounting plate, and one end of the Z-direction tension spring is connected with the moving part of the Z-direction moving piece.
Further, two tool setting gauges which are arranged along the Y direction are arranged on the machine base; the two tool setting gauges are positioned on two sides of the support frame;
still be equipped with two on the frame and sweep a yard appearance, Y is located two to transport mechanism sweep between the yard appearance.
Furthermore, a feeding mechanical arm or/and a discharging mechanical arm is/are arranged on the base.
Further, the lens pressing and positioning tool comprises a supporting structure, a lens bearing seat which is installed on the supporting structure in a sliding mode along the Y direction, a Y-direction driving structure which is installed on the supporting structure and used for driving the lens bearing seat to move, a Z-direction driving structure which is arranged on the supporting structure, and a lens pressing seat which is connected with a driving part of the Z-direction driving structure and located above the lens bearing seat; under the drive of the Z-direction drive structure, the lens pressing seat is used for downwards pressing the edge part of the lens on the lens bearing seat which moves in place to realize positioning;
a waste material collecting structure is arranged at the end part of the supporting structure, and an air blowing structure is arranged on the lens bearing seat; when the lens is processed, the blowing structure is used for blowing the scraps generated in the processing process into the waste collecting structure.
Further, a groove structure is arranged on one side, facing the lens bearing seat, of the lens pressing seat; the groove structure is used for being matched with the upper end surface of the lens bearing seat to form an air cavity, the lens is positioned in the air cavity, and an air outlet port of the air cavity corresponds to a collecting port of the waste collecting structure;
the air blowing structure comprises an air passage communicated with the air cavity and an air blowing joint communicated with the air passage.
Further, the lens bearing seat comprises a seat body, and an installation groove is formed in the seat body; a first cutting avoiding opening and a clamping opening matched with one end of the pouring gate, which is far away from the lens, are formed in the base body on one side of the mounting groove; the mounting groove, the first cutting avoidance port and the clamping port are communicated in sequence;
a lens cushion block is arranged in the mounting groove; the lens is arranged on the lens cushion block and is positioned in the mounting groove; the top end of the lens cushion block is provided with a groove, and the groove and the lower surface of the lens form a back pressure cavity; the back pressure chamber is in communication with the air passage.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention relates to an engraving and milling machine for processing a lens sprue, which comprises a base and an outer cover arranged on the base; an air inlet at the top end of the outer cover is provided with an FFU fan filtering unit, and the base is provided with an air outlet structure communicated with the outside; two Y-direction carrying mechanisms which are arranged side by side along the X direction are arranged on the machine base in the outer cover; a support frame is arranged on the machine base corresponding to the middle position of the Y-direction carrying mechanism, X-direction carrying mechanisms are respectively arranged on two opposite side parts of the support frame along the Y direction, and each X-direction carrying mechanism is provided with a Z-direction carrying mechanism; the Y-direction carrying mechanism comprises a base, a guide rail arranged on the base and two controlled bearing tables which are independently controlled and slide on the guide rail, and each controlled bearing table is provided with a lens pressing and positioning tool; each Z-direction carrying mechanism is provided with an electric spindle module for processing and a CCD visual positioning module; the lens compressing and positioning tool is used for compressing and positioning the lens; the CCD visual positioning module is used for carrying out visual positioning on the lens which is pressed and positioned; the electric spindle module for processing is used for processing the lens subjected to visual positioning.
When the lens pressing and positioning device is used, two lens pressing and positioning tools in one Y-direction carrying mechanism move to a feeding station for feeding, and the lens pressing and positioning tools are used for pressing and positioning the fed lenses; then the controlled bearing table carries corresponding lens pressing and positioning tools to respectively move to two processing stations; the CCD visual positioning module carries out visual positioning on the lens below the CCD visual positioning module, and then the electric spindle module for processing automatically and accurately processes the lens subjected to visual positioning under the cooperative action of the X-direction conveying mechanism, the Y-direction conveying mechanism and the Z-direction conveying mechanism; meanwhile, two lens pressing and positioning tools in the other Y-direction carrying mechanism move to a feeding station for feeding, and the lens pressing and positioning tools are used for pressing and positioning the fed lenses; then the controlled bearing table carries corresponding lens pressing and positioning tools to respectively move to two processing stations to wait for processing; after the lens on the first Y-direction carrying mechanism is machined, the machining electric spindle module moves in place, and then the lens positioned by vision on the second Y-direction carrying mechanism can be directly machined without waiting; at the moment, the two lens pressing and positioning tools on the first Y-direction carrying mechanism move to a blanking station for blanking, and then return to the blanking station for preparation of the next cycle. In addition, FFU fan filter unit and air-out structure mutually support in the course of working, can guarantee the cleanliness factor in the dustcoat, prevent that piece dust adhesion is on the lens.
The invention can realize alternate feeding and continuous processing by utilizing two X, Y and Z-direction carrying mechanisms and four lens pressing and positioning tools; the machine does not need to be stopped for waiting, so that the processing time is greatly shortened, and the processing efficiency is improved; the lens is precisely and mechanically positioned by using the lens pressing and positioning tool, and the lens is visually positioned by using the CCD visual positioning module, so that the requirement of a user on the processing precision of the lens can be met to the maximum extent; FFU fan filter unit and air-out structure are mutually supported, have further guaranteed the processingquality of lens.
In conclusion, the invention has simple structure, low cost and strong customizability; and the requirements of users on the processing precision and quality of the lens can be met, and the processing efficiency can be improved.
Drawings
FIG. 1 is a schematic view of a engraving and milling machine for processing a gate of a lens of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the cover omitted;
FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;
FIG. 4 is a partial schematic view of the structure of FIG. 3;
FIG. 5 is a schematic view of the Z-direction conveying mechanism and its components in FIG. 4;
FIG. 6 is a cross-sectional view of the Y-direction conveying mechanism in FIG. 4;
FIG. 7 is an exploded view of the lens pressing and positioning tool of FIG. 4;
FIG. 8 is a reference view of the lens pressing base for pressing and positioning the lens;
FIG. 9 is a cross-sectional view of FIG. 8 taken along a first direction;
FIG. 10 is a cross-sectional view of FIG. 8 taken along a second direction;
in the figure: 1-a machine base, 11-an air outlet, 12-a support frame, a 121-X-direction carrying mechanism, 13-a tool setting gauge, 14-a code scanner, 15-a blanking manipulator, 2-a housing, 21-an FFU fan filtering unit, a 3-Y-direction carrying mechanism, 31-a base, a 311-U-shaped stator structure, 312-a grating ruler component, 32-a guide rail, 33-a controlled bearing table, 331-a rotor structure, 332-a bearing table, 333-a grating reading head, a 4-Z-direction carrying mechanism, 41-a mounting plate, a 42-Z-direction moving part, a 43-Z-direction tension spring, a 5-a lens pressing and positioning tool, 51-a support structure, 52-a lens bearing seat, 521-a first cutting avoiding opening, 522-a clamping opening, 523-a positioning pin, 524-a 53-Y-direction driving structure, a 54-Z-direction driving structure, a 541-Z-direction driving part, a 542-pressing plate, 5421-a second cutting avoiding opening and 55-a lens pressing seat; 551-groove structure, 552-positioning sleeve, 56-waste collecting structure, 57-air blowing structure, 571-air passage, 572-air blowing joint, 58-lens cushion block, 581-groove, 6-processing electric spindle module, 7-CCD visual positioning module, 71-CCD camera, 72-light source, 8-lens, and 81-pouring gate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1 to 6, the present embodiment discloses an engraving and milling machine for processing a lens gate, which includes a base 1 and a cover 2 disposed on the base 1; an FFU fan filtering unit 21 is arranged at an air inlet at the top end of the outer cover 2, and an air outlet structure (an air outlet hole 11 is shown in the figure) communicated with the outside is arranged on the base 1; two Y-direction conveying mechanisms 3 which are arranged side by side along the X direction are arranged on the base 1 in the outer cover 2, a support frame 12 is arranged on the base 1 corresponding to the middle position of the Y-direction conveying mechanisms 3, X-direction conveying mechanisms 121 are respectively arranged on two opposite side parts of the support frame 12 along the Y direction, and a Z-direction conveying mechanism 4 is arranged on each X-direction conveying mechanism 121; each Y-direction carrying mechanism 3 comprises a base 31, a guide rail 32 arranged on the base 31 and two controlled bearing tables 33 which are independently controlled and slide on the guide rail 32, and each controlled bearing table 33 is provided with a lens pressing and positioning tool 5; each Z-direction carrying mechanism 4 is provided with an electric spindle module 6 for processing and a CCD visual positioning module 7; the lens pressing and positioning tool 5 is used for pressing and positioning a lens 8 (see fig. 7); the CCD visual positioning module 7 is used for carrying out visual positioning on the lens 8 which is pressed and positioned; the processing electric spindle module 6 is used for processing the lens 8 subjected to visual positioning.
Wherein: the supporting frame 12 includes two columns disposed on two sides of the Y-direction carrying mechanism 3 and a beam (located above the middle of the guide rail 32) disposed on the columns, and the X-direction carrying mechanism 121 (a linear driving mechanism such as an electric cylinder or a linear motor is selectable) is disposed on the beam. One end of the guide rail 32 corresponds to the feeding station, and the other end corresponds to the discharging station; the guide rails 32 at the lower positions of the Z-direction carrying mechanisms 4 at the two sides of the support frame 12 respectively correspond to one processing station; namely, a Y-direction carrying mechanism 3 corresponds to a feeding station, a processing station, another processing station and a discharging station in sequence along the Y direction.
Wherein, dustcoat 2 includes the rectangle framework, and the top of rectangle framework is equipped with the roof, and the air intake sets up on the roof, and at least one lateral part of rectangle framework is equipped with the emergency exit, and the remaining lateral part is equipped with the curb plate. In order to adapt to the four processing stations, the FFU fan filtering units 21 are arranged in the Y direction, each FFU fan filtering unit 21 comprises a housing arranged at an air inlet, two fans arranged in the housing in the X direction and a filtering net, the top end of the housing is provided with air inlet grids in one-to-one correspondence with the fans, and the filtering nets are located below the corresponding fans.
In this embodiment, a stator structure (preferably, a U-shaped stator structure 311, which may also be a flat-plate stator structure, a cylindrical stator structure, or a stator structure with other shapes)) is provided on the base 31; each controlled bearing table 33 comprises a rotor structure 331 which extends into the U-shaped opening of the U-shaped stator structure 311 and can move relatively, and a bearing table 332 which is connected with the rotor structure 331 and is slidably mounted on the guide rail 32; when the mover structure 331 is energized, it interacts with the U-shaped stator structure 311 to generate an electromagnetic thrust to drive the plummer 332 to perform a linear motion.
The U-shaped stator structure 311 includes a U-shaped magnetic yoke and stator magnet sets disposed on two opposite inner side walls of the U-shaped magnetic yoke; the mover structure 331 includes a mover base and a coil structure fixed on the mover base; the coil structure extends into the U-shaped opening of the U-shaped magnetic yoke. In addition, the flat plate type stator structure includes a plate yoke and a stator magnet group provided on the plate yoke. The cylindrical stator structure includes a cylindrical yoke and a stator magnet group provided on an inner peripheral wall of the cylindrical yoke. The U-shaped stator structure 311 has a greater load bearing capacity than the flat plate type stator structure and the cylindrical stator structure.
In order to realize accurate control of the movement position of the plummer 332, the present embodiment further optimizes the above structure, and sets a grating ruler component 312 (in some embodiments, a magnetic grating ruler component) on the base 31; a grating reading head 333 adapted to the grating scale assembly 312 (or a magnetic grating reading head adapted to the magnetic grating scale assembly) is disposed on the rotor base in the rotor structure 331. The position mark on the grating scale assembly 312 (magnetic grating scale assembly) is read by the grating reading head 333 (magnetic grating reading head), so that the relative position of the movement of the carrier 332 can be obtained.
In this embodiment, the Z-direction conveying mechanism 4 includes a mounting plate 41 disposed on the moving part of the X-direction conveying mechanism 121 and a Z-direction moving member 42 (any linear moving member such as an air cylinder, an electric cylinder, a linear motor, etc.) disposed on the mounting plate 41; a Z-direction tension spring 43 is hung on the mounting plate 41, and one end of the Z-direction tension spring 43 is connected with the moving part of the Z-direction moving member 42. The addition of the Z-direction tension spring 43 can reduce the influence of the gravity of the CCD vision positioning module 7 and the electric spindle module for processing 6 on the moving part of the Z-direction moving member 42, and increase the reliability. The CCD visual positioning module 7 includes a CCD camera 71 and a light source 72 located below the CCD camera 71.
In addition, in this embodiment, two tool setting gauges 13 arranged along the Y direction are arranged on the machine base 1; the two tool setting gauges 13 are positioned on two sides of the support frame 12; the reference coordinate of the electric spindle module 6 for machining can be determined by utilizing the tool setting gauge 13, and the machining precision can be improved. The machine base 1 is also provided with two code scanners 14 arranged along the X direction, the Y-direction carrying mechanism 3 is positioned between the two code scanners 14, and the code scanners 14 are used for acquiring coding information of the lenses 8 so as to be convenient for archiving.
In the embodiment, a blanking manipulator 15 is arranged on the base 1 corresponding to the blanking station; in other embodiments, a feeding manipulator is arranged on the base 1 corresponding to the feeding station; in still other embodiments, the frame 1 is provided with both a loading robot and a unloading robot 15.
A control device is arranged in the machine base 1, and the Y-direction carrying mechanism 3, the tool setting gauge 13, the code scanning gauge 14, the X-direction carrying mechanism 121, the Z-direction carrying mechanism 4, the lens pressing and positioning tool 5, the CCD visual positioning module 7, the electric spindle module 6 for machining and the like are electrically connected with the control device. In addition, the engraving and milling machine further comprises a touch screen electrically connected with the control device.
As shown in fig. 7 to 10, in this embodiment, the lens pressing and positioning tool 5 includes a supporting structure 51 disposed on the plummer 332, a lens holder 52 slidably mounted on the supporting structure 51 along the Y direction, a Y-direction driving structure 53 mounted on the supporting structure 51 and used for driving the lens holder 52 to move, a Z-direction driving structure 54 disposed on the supporting structure 51, and a lens pressing seat 55 connected to a driving portion of the Z-direction driving structure 54 and located above the lens holder 52; the lens pressing block 55 is used to press down the edge of the lens 8 on the lens holding block 52 moved into position for positioning by the driving of the Z-direction driving mechanism 54.
In order to avoid that the scraps adhere to the surface of the lens 8 during the cutting process, and the processing quality is influenced; the embodiment further improves the structure; a waste collection structure 56 is arranged at the end of the support structure 51, and a blowing structure 57 is arranged on the lens bearing seat 52; the blowing structure 57 is used to blow chips generated during cutting into the scrap collecting structure 56 when the gate 81 is cut.
Wherein, one side of the lens pressing seat 55 facing the lens bearing seat 52 is provided with a groove structure 551 matched with the upper surface of the lens 8; when the lens pressing base 55 presses the edge of the lens 8 on the lens bearing base 52 which is in place, the groove structure 551 is also used for matching with the upper end surface of the lens bearing base 52 to form an air cavity, at this time, the lens 8 is located in the air cavity, and the air outlet port of the air cavity (the end of the lens pressing base 55 facing the waste material collecting structure 56 is provided with a notch communicated with the groove structure 551, and the notch is the air outlet port) corresponds to the collecting port of the waste material collecting structure 56.
In this embodiment, the air blowing structure 57 includes an air passage 571 communicated with the air cavity and an air blowing joint 572 communicated with the air passage 571; the blowing connector 572 is for external air supply. The waste collection structure 56 includes a collection box with an outlet connected to the suction unit.
In this embodiment, the lens holder 52 includes a base body having a mounting groove; a first cutting avoiding opening 521 and a clamping opening 522 (for positioning the gate 81) matched with one end of the gate 81 departing from the lens 8 are arranged on the base body on one side of the mounting groove; the mounting groove, the first cutting avoiding port 521 and the clamping port 522 are communicated in sequence; a columnar lens cushion block 58 is arranged in the mounting groove; the lens 8 is disposed on the lens pad 58 and located in the mounting groove.
In order to ensure that the gas in the air cavity can only be blown to the cutting position through the air outlet port, the structure is further optimized in the embodiment, the seat body on the other side of the mounting groove is provided with the sealing groove 524 for mounting the sealing strip, and the sealing strip is utilized to realize the sealing of the air cavity except the air outlet port.
In order to further prevent cutting powder from entering the lower surface of the lens 8 from the peripheral gap between the lens pad 58 and the lens 8 during the cutting process, the present embodiment further optimizes the above structure; a groove 581 is arranged at the top end of the lens cushion block 58, and the groove 581 and the lower surface of the lens 8 form a back pressure cavity; the back pressure chamber is communicated with the air channel 571, so that the air channel 571 is filled with air, and the cutting powder can be prevented from entering.
In order to facilitate the taking and placing of the lenses 8 by the feeding and discharging mechanical arms (three clamping arms), the structure is further optimized in the embodiment, and three feeding and discharging avoiding grooves (avoiding clamping arms) which are distributed around the mounting groove and are communicated with the mounting groove are arranged on the base body; the groove bottom of one of the upper and lower avoiding grooves is provided with a communicating hole for communicating the air passage 571 with the air chamber, and the other two upper and lower avoiding grooves are communicated with the first cutting avoiding hole 521.
In order to further improve the precision of the lens 8 pressing and positioning, the present embodiment further improves the above structure, and the improved lens pressing seat 55 is provided with a positioning sleeve 552 on the side facing the lens holding seat 52; the lens holder base 52 is provided with a positioning pin 523 adapted to the positioning sleeve 552.
In this embodiment, the Z-direction driving structure 54 includes two Z-direction driving elements 541 (preferably, air cylinders, which may be electric cylinders or other linear driving elements) and a pressing plate 542 connected to the driving portion of the Z-direction driving elements 541; the two Z-direction driving elements 541 are respectively disposed on two opposite sides of the supporting structure 51; the lens pressing base 55 is fixed on the pressing plate 542, and a second cutting avoiding opening 5421 is formed in the pressing plate 542. The Y-drive mechanism 53 includes a Y-drive member (preferably an air cylinder, but could also be an electric cylinder or other linear drive member), and the lens holder 52 is connected to a drive portion of the Y-drive member. In still other embodiments, the Y-drive structure 53 comprises a rotary drive, a lead screw rotatably mounted on the support structure 51 and connected to the rotary drive, and a nut structure threaded onto the lead screw; the lens holder block 52 is fixedly connected to the nut structure. When the gate 81 exposed outside the lens holder 55 is cut, the machining electric spindle module 6 cuts the gate 81 through the second cutting escape opening 5421 in the pressing plate 542 and the first cutting escape opening 521 in the lens holder 52.
In order to improve the stability and reliability of the lens holder 52 during the movement process, the support structure 51 of the present embodiment is provided with a slide rail extending in the Y direction, and a slider is slidably mounted on the slide rail; the lens holder block 52 is connected to the slide.
The working principle of the device is briefly explained based on the structure as follows:
for convenience of description of the working principle below, a feeding station corresponding to the first Y-direction carrying mechanism 3 is marked as a first feeding station, a blanking station is marked as a first blanking station, and the two processing stations are respectively a first processing station and a second processing station; and marking the feeding station corresponding to the second Y-direction carrying mechanism 3 as a second feeding station, marking the discharging station as a second discharging station, and respectively marking the two processing stations as a third processing station and a fourth processing station.
Two lens pressing and positioning tools 5 in the first Y-direction carrying mechanism 3 move to a first feeding station at one end of the guide rail 32, a feeding manipulator sequentially clamps the lenses 8 and places the lenses 8 on the two lens pressing and positioning tools 5, and the lens pressing and positioning tools 5 press and position the corresponding lenses 8; then the controlled bearing table 33 carries the corresponding lens pressing and positioning tool 5 to respectively move to a first processing station and a second processing station at two sides of the support frame 12; the CCD visual positioning module 7 and the processing electric spindle module 6 move to a processing station corresponding to the Y-direction carrying mechanism 3 along the X direction; the CCD visual positioning module 7 performs visual positioning on the lens 8 below the CCD visual positioning module, and then the electric spindle module 6 for processing automatically and precisely processes the lens 8 after the visual positioning under the cooperative action of the corresponding X-direction carrying mechanism 121, the Y-direction carrying mechanism 3 and the corresponding Z-direction carrying mechanism 4 (specifically, the electric spindle module 6 for processing performs cutting processing on the gate 81 exposed out of the lens pressing seat 55 through the second cutting avoiding opening 5421 on the pressing plate 542 and the first cutting avoiding opening 521 on the lens supporting seat 52, the air blowing structure 57 blows the debris generated in the cutting process to the inlet of the collecting box of the waste collecting structure 56 in the cutting processing process, the air suction unit connected with the outlet of the collecting box sucks air at the moment, the debris is collected in the collecting box, and the debris is prevented from being adhered to the surface of the lens 8). Meanwhile, the two lens pressing and positioning tools 5 in the second Y-direction carrying mechanism 3 move to a second feeding station at one end of the guide rail 32, the feeding manipulator sequentially clamps the lenses 8 and places the lenses 8 on the two lens pressing and positioning tools 5, and the lens pressing and positioning tools 5 press and position the lenses 8; and then the controlled bearing table 33 carries the corresponding lens pressing and positioning tool 5 to move to a third processing station and a fourth processing station respectively to wait for processing.
After the lens 8 processing on the first Y is to transport mechanism 3 is accomplished, Z is to transport mechanism 4 along X to moving to second Y to transport mechanism 3 department, and processing can directly be processed to second Y to transport mechanism 3 on having moved to third or fourth machining station and lens 8 through vision location after the electric main shaft module 6 for processing moves in place, need not to shut down and waits. Meanwhile, the two lens pressing and positioning tools 5 on the first Y-direction carrying mechanism 3 carry the processed lenses 8 to move to the first unloading station at the other end of the guide rail 32, and after the unloading manipulator 15 takes away the lenses 8, the lens pressing and positioning tools 5 return to the first loading station again to prepare for the next carrying and processing cycle.
The invention utilizes two sets of X, Y and Z-direction carrying mechanisms, four lens pressing and positioning tools, four processing stations and two loading and unloading stations to realize alternate loading and continuous processing; the machine does not need to be stopped for waiting, so that the processing time is greatly shortened, and the processing efficiency is improved; the lens is precisely and mechanically positioned by using the lens pressing and positioning tool, and the lens is visually positioned by using the CCD visual positioning module, so that the requirement of a user on the processing precision of the lens can be met to the maximum extent; FFU fan filter unit and air-out structure mutually support, have further guaranteed the processingquality of lens.
In conclusion, the invention has the advantages of simple structure, low cost and strong customizability; and the requirements of users on the processing precision and quality of the lens can be met, and the processing efficiency can be improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.