CN119773120A - Contact lens filling die closing method and system - Google Patents
Contact lens filling die closing method and system Download PDFInfo
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- CN119773120A CN119773120A CN202411978566.1A CN202411978566A CN119773120A CN 119773120 A CN119773120 A CN 119773120A CN 202411978566 A CN202411978566 A CN 202411978566A CN 119773120 A CN119773120 A CN 119773120A
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Abstract
The invention relates to the technical field of automatic production of contact lenses, in particular to a method and a system for filling and closing a die of a contact lens, which comprises the following steps that S10, a feeding unit die is conveyed to a jig assembly; S20, driving a jig assembly to enter a filling liquid area by a turnover unit, S30, opening and closing the die by a die opening and closing unit, filling liquid by a liquid filling unit, closing the die by a die opening and closing unit, S40, driving the jig assembly to enter a blanking area by the turnover unit, checking the quality of the checking assembly, S50, conveying the die to an empty tray by the blanking unit, receiving and blanking, S60, driving the jig assembly to enter a feeding area by the turnover unit, and feeding so as to perform cyclic operation.
Description
Technical Field
The invention relates to the technical field of automatic production of contact lenses, in particular to a method and a system for filling and closing a die of a contact lens.
Background
Contact lenses are increasingly popular because of their vision correction and beautification;
at present, the compression molding method is a recently emerging contact lens molding process. In the existing compression molding process for preparing the contact lens, liquid materials such as high molecular polymers are mostly used for manufacturing, liquid injection is an important ring in the compression molding process for preparing the contact lens, partial automation is realized in the liquid injection process, but in conventional automatic equipment, the specific actions of raw materials are injection-suction separation, the action of the whole liquid injection operation is complex, faults are easy to occur, liquid injection precision is poor, the upper and lower mold closing processes are not concentric and horizontal, thick and thin edges of the lens are caused, the quality of a finished product of the contact lens is influenced, the pressing process is not synchronous and unstable, bubbles in a mold are not completely removed, the bubble rate of the lens is easy to be high, and the qualification rate of the lens is also influenced.
Disclosure of Invention
The invention aims to provide a method and a system for filling a contact lens, which can automatically open and close the mold, realize multi-cavity synchronization, have high functional integration level and stably operate.
In order to achieve the above object, the present invention provides the following technical solutions;
the invention provides a contact lens filling and die closing method, which comprises a turnover unit for turnover jig components, wherein the turnover unit is provided with a feeding area, a filling and liquid injecting area and a discharging area, and comprises the following specific steps:
S10, carrying a die to be filled onto a jig assembly positioned in a feeding area by a feeding unit;
S20, the turnover unit drives the jig assembly and the mold to be filled to enter a filling liquid area;
S30, in a filling and liquid injecting area, opening an upper die and a lower die of the die by a die opening and closing unit, and after liquid injection is carried out by the liquid injecting unit in the lower die, closing the upper die and the lower die of the die by the die opening and closing unit;
S40, driving the jig assembly and the filled and injected die into a blanking area by the turnover unit, and waiting for blanking after quality inspection of the filled and injected die by the inspection assembly;
S50, conveying the die subjected to quality inspection to an empty tray by a blanking unit to finish receiving and blanking;
S60, the turnover unit drives the empty jig assembly to enter the feeding area again, and the feeding unit carries out feeding again, so that the circulation operation is carried out.
The feeding unit comprises a tray conveying trolley, a group of tray moving modules and a tray temporary storage table, wherein the tray moving modules are arranged in parallel, and a tray carrying gripper and a tray carrying module for driving the tray carrying grippers to move are arranged at the front end of each tray moving module;
The tray moving module drives the tray carrying grippers to move so as to carry the trays with the moulds on the tray conveying trolley to the tray moving module, the tray moving module moves the trays with the moulds to the side part of the feeding area, the tray carrying manipulator carries the moulds on the trays to the jig assembly positioned in the feeding area, and the empty trays after half empty are carried to the tray temporary storage table by the tray carrying manipulator for caching.
Further, in step S30:
s31, fixing a lower die of the die from the lower part of the die to be filled by a lower die positioning mechanism of the die opening and closing unit;
S32, after an upper die positioning mechanism of the die opening and closing unit fixes an upper die of the die from above the die to be filled, the upper die of the die is opened by a die opening mechanism of the die opening and closing unit, and is moved away from the lower die by the upper die positioning mechanism;
S33, filling liquid into a lower die by a liquid filling unit;
s34, the upper die positioning mechanism moves the upper die back to the lower die, and the upper die is placed in the lower die;
s35, applying pressure to the upper die by the upper die positioning mechanism to enable the upper die to be in compression with the lower die;
Further, in step S33:
S331, under the action of pumping liquid, a liquid injection valve group of the liquid injection unit is in a liquid pumping state, and a liquid injector component of the liquid injection unit pumps out raw materials from a constant temperature bin for temporary storage;
s332, switching a liquid injection valve group of the liquid injection unit into a liquid injection state under liquid injection, and driving a liquid injection needle group to be above a jig assembly by a needle group module of the liquid injection unit;
S333, pushing liquid into the liquid injection needle group by the liquid injector assembly to fill the lower die, and completing liquid injection filling.
The lower die positioning mechanism comprises a lower die positioning suction nozzle arranged below the jig assembly and a lower die positioning drive for pushing the lower die positioning suction nozzle to lift, wherein the die opening mechanism comprises at least one die opening drive, a shifting fork connecting plate arranged at the execution end of the die opening drive and a die opening fork arranged on the shifting fork connecting plate and used for inserting and separating an upper die and a lower die of the contact lens;
the upper die positioning mechanism comprises a suction nozzle assembly, an upper die module for pushing the suction nozzle assembly to lift, the upper die module comprises an upper die lifting drive fixed on an upper die support, an upper die sliding frame is installed at the execution end of the upper die lifting drive, the upper die sliding frame is slidably installed on the upper die support, a suction nozzle installation frame for installing the suction nozzle assembly is arranged at the bottom of an upper die sliding plate, the suction nozzle assembly comprises a plurality of suction nozzle sliding rods slidably installed on the suction nozzle installation frame, an upper die suction nozzle is installed at the tail end of each suction nozzle sliding rod, a die clamping counterweight is installed on the rod body of each suction nozzle sliding rod, and the upper die suction nozzle is located above the jig assembly.
Furthermore, the injector assembly and the constant temperature bin are both arranged on the liquid injection main frame, the liquid injection needle set is connected with the liquid injection valve group through a liquid injection hose, the liquid injection needle set is arranged at the execution end of the needle set module, and the needle set module is arranged at the side part of the liquid injection main frame through a liquid injection side frame.
The inspection unit comprises an inspection camera, an inspection drive for driving the inspection camera to transversely move, a light supplementing lamp plate, a lamp plate drive for driving the light supplementing lamp plate to horizontally move, and a top die assembly of a plurality of lifting dies, wherein the inspection drive is positioned above a blanking area of the turnover unit and drives the inspection camera to sweep the jig assembly;
the top die assembly comprises a top die rubber head arranged below the blanking area of the turnover unit and a top die cylinder for driving the top die rubber head to lift.
The jig assembly comprises a jig plate, a lower die positioning mechanism, an upper die positioning mechanism and a lower die positioning mechanism, wherein the jig plate is arranged on the turnover unit, and is provided with a first row of die grooves and a second row of die grooves which are arranged in parallel;
The turnover unit comprises Zhou Zhuaihuan rails and a plurality of turnover driving mechanisms which are arranged on the Zhou Zhuaihuan rails in a sliding mode and are used for driving the turnover driving mechanisms to turnover around the Zhou Zhuaihuan rails, the jig plates are arranged on the turnover driving mechanisms, the turnover driving mechanisms are connected through chain transmission or belt transmission and drive the turnover driving mechanisms to slide on turnover sliding rails, two filling liquid injection areas are arranged on the side faces of the Zhou Zhuaihuan rails, and the two filling liquid injection areas are located between procedures of a feeding area and a discharging area.
The invention also provides a contact lens filling mould closing system which is used for implementing the contact lens filling mould closing method, and comprises a turnover unit for turnover jig components, a mould opening and closing unit, a liquid filling unit, a feeding unit for providing a mould to be filled, a discharging unit for collecting the filled mould and a vision inspection unit, wherein the mould opening and closing unit and the liquid filling unit are distributed on the side part of the turnover unit;
Compared with the prior art, the invention has the following beneficial effects:
In actual use, the turnover unit is a rectangular circulating rail, the jig components are used for bearing the contact lens molds, the turnover unit is divided into a feeding area, a plurality of filling liquid areas and a discharging area according to the functional area, wherein the feeding area is adjacent to the discharging area, the two filling liquid areas are adjacent to each other, rectangular layout and equipment space are reasonably utilized, the equipment volume is reduced, two groups of mold opening and closing units and liquid filling units are arranged in each filling liquid area, the turnover unit drives the plurality of jig components to enter the filling liquid areas simultaneously during filling and closing operation, the two filling liquid areas respectively operate half of the jig components, the rectangular distribution structure is fully utilized, the installation space of the mold opening and closing units and the filling liquid units is reasonably reserved, the whole operation time of the molds and the time of filling operation are reduced through the rapid synchronous turnover of the turnover unit, after the filling liquid filling of raw materials is finished, the molds are jacked from the jig components through vision inspection jacking components, and the discharging units are waited for material loading and disk loading, and automatic mold opening and filling operation are completed, and automatic mold filling operation is carried out on the mold opening and closing operation;
The contact lens filling and die closing device integrates die opening, filling and die closing actions, is compact in overall structure, high in functional integration level, and capable of synchronously filling liquid in batches by multiple filling liquid areas, reducing the overall operation period of a die, improving the filling efficiency of liquid filling, reducing the risk of manual operation by matching with an automatic feeding and discharging unit, and improving the overall production and processing quality and the processing efficiency of the contact lens.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a partially hidden schematic illustration of the present invention;
FIG. 3 is a schematic top view of the loading unit of the present invention;
FIG. 4 is a schematic diagram of the overall structure of the present invention;
FIG. 5 is a schematic diagram of an open/close mold unit according to the present invention;
Fig. 6 is a partially enlarged schematic view of the mold opening and closing unit D of the present invention;
FIG. 7 is a side view of the construction of the mold opening and closing unit of the present invention;
FIG. 8 is a partially enlarged schematic view of the mold opening and closing unit B of the present invention;
fig. 9 is a partially enlarged schematic view of the mold opening and closing unit C of the present invention;
FIG. 10 is a schematic diagram of a liquid injection unit according to the present invention;
FIG. 11 is a partially enlarged schematic illustration of the liquid injection unit A of the present invention;
FIG. 12 is a schematic view of a visual inspection unit according to the present invention;
fig. 13 is a schematic structural diagram of the turnover unit and the jig assembly of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-13, the present invention provides a method for filling and closing a mold of a contact lens, comprising a turnover unit 200 for a turnover jig assembly 300, wherein the turnover unit 200 is provided with a loading area, a filling and liquid injecting area and a discharging area, and the method comprises the following specific steps:
s10, carrying a die to be filled onto a jig assembly 300 positioned in a feeding area by a feeding unit 100;
S20, the turnover unit 200 drives the jig assembly 300 and the mold to be filled to enter a filling liquid area;
s30, in a filling and liquid-injecting area, an upper die and a lower die of the die are opened by a die opening and closing unit 500, and after liquid injection is carried out by the liquid-injecting unit 400 in the lower die, the upper die and the lower die of the die are clamped by the die opening and closing unit 500;
s40, driving the jig assembly 300 and the filled and injected die into a blanking area by the turnover unit 200, and waiting for blanking after quality inspection of the filled and injected die by the inspection assembly 600;
s50, conveying the die subjected to quality inspection to an empty tray by a blanking unit 700, and finishing material receiving and blanking;
S60, driving the empty jig assembly 300 to enter a loading area again by the turnover unit 200, and loading the jig assembly into the loading area again by the loading unit 100, so that the cyclic operation is realized;
In actual use, the turnover unit 200 is a rectangular circulating rail, the jig assembly 300 is used for bearing contact lens molds, the turnover unit 200 is divided into a feeding area, a plurality of filling liquid areas and a discharging area according to functional areas, the feeding area is adjacent to the discharging area, the two filling liquid areas are adjacent to each other, rectangular layout and equipment space are reasonably utilized, the equipment volume is reduced, two groups of mold opening and closing units 500 and liquid filling units 400 are arranged in each filling liquid area, the turnover unit 200 drives the plurality of jig assemblies 300 to enter the filling liquid areas simultaneously during filling and closing operation, the two filling liquid areas operate half of the jig assemblies 300, the rectangular distribution structure is fully utilized, the station distribution layout is reasonably reserved, the installation space of the mold opening and closing units 500 and the filling liquid units 400 is reasonably reserved, the overall operation time of the molds and the time of the filling operation are reduced through rapid synchronous turnover of the turnover unit 200, after the filling liquid filling operation of raw materials is finished, the molds are lifted from the jig assembly 300 through the vision inspection jacking assembly 600, the molds wait for the automatic mold opening and closing operation of the filling liquid filling units 700 to complete the contact lens molds.
The contact lens filling and die closing method integrates die opening, filling and die closing actions, is compact in overall structure, high in functional integration level, and capable of achieving batch-to-batch synchronous filling of multiple filling liquid areas, reducing the overall operation period of the die, improving the filling efficiency of the filling liquid, reducing the risk of manual operation by matching with an automatic feeding and discharging unit, and improving the overall production and processing quality and the processing efficiency of the contact lens.
In this embodiment, the loading unit 100 includes a tray cart 110, a set of tray moving modules 140 and a tray temporary storage table 150 that are disposed in parallel, a tray gripper 130 and a tray module 120 for driving the tray gripper 130 to move are disposed at the front end of each tray moving module 140, and a tray handling manipulator 160 is disposed at the ends of two tray moving modules 140, the tray module 120 drives the tray gripper 130 to move to transfer the tray with the mold on the tray cart 110 onto the tray moving module 140, the tray moving module 140 moves the tray with the mold to the side of the loading area, the tray handling manipulator 160 transfers the mold on the tray onto the jig assembly 300 located in the loading area, and the empty tray after the empty tray is transferred by the tray handling manipulator 160 onto the tray temporary storage table 150 for buffering;
The tray transporting trolley 110 is an AGV trolley and can transport trays to a specified position, the tray transporting module 120 is a linear motor module, the tray transporting module 120 drives the tray gripper 130 to grip the trays filled with the molds to be filled from the AGV trolley onto the tray moving module 140, the tray moving module 140 transports the trays to the side of a loading area, the molds on the trays are transported to the jig module 300 through the tray transporting manipulator 160, the empty trays are transferred to the tray temporary storage table 150 through the tray moving module 140, and the loading unit 100 is provided with one transporting manipulator 160 responsible for the two tray moving modules 140, so that the overall production efficiency of the equipment is further improved.
In this embodiment, the step S30 includes the following steps:
in step S30:
S31, fixing a lower die of a die from below of the die to be filled by a lower die positioning mechanism 560 of the die opening and closing unit 500;
S32, after an upper die positioning mechanism of the die opening and closing unit 500 fixes an upper die of the die from above the die to be filled, a die opening mechanism 550 of the die opening and closing unit 500 opens the upper die of the die, and the upper die positioning mechanism moves the upper die away from the lower die;
S33, filling liquid into the lower die by the liquid filling unit 400;
s34, the upper die positioning mechanism moves the upper die back to the lower die, and the upper die is placed in the lower die;
s35, applying pressure to the upper die by the upper die positioning mechanism to enable the upper die to be in compression with the lower die;
in step S33:
S331, under the action of pumping liquid, the liquid injection unit 400 is in a liquid pumping state, and a liquid injection valve group 450 of the liquid injection unit 400 pumps out raw materials from a constant temperature bin 430 for temporary storage;
S332, under the action of liquid injection, the liquid injection valve group 450 of the liquid injection unit 400 is switched to a liquid injection state, and the needle group module 420 of the liquid injection unit 400 drives the liquid injection needle group 410 to the upper part of the jig assembly 300;
s333. the injector assembly 460 pushes the liquid into the injection needle set 410 to fill the lower mold, completing the injection filling;
when filling, the liquid injection valve group 450 is a reversible three-way valve group, the injector assembly 460 performs raw material extraction and liquid injection filling actions, when the liquid extraction action is performed, the liquid injection valve group 450 is in a liquid extraction mode, the liquid injector assembly 460 extracts raw materials from the constant temperature bin 430 for temporary storage, the constant temperature bin 430 is a small constant temperature refrigerator, when the liquid injection action is performed, the liquid injection valve group 450 is switched to a liquid injection mode, the needle assembly 420 drives the liquid injection needle assembly 410 to move to the upper side of the jig assembly 300, and the liquid injector assembly 460 pushes the raw materials into the liquid injection needle assembly 410 to finish filling and liquid injection actions.
In this embodiment, the lower mold positioning mechanism 560 comprises a lower mold positioning suction nozzle 562 arranged below the jig assembly 300 and a lower mold positioning drive 561 for pushing the lower mold positioning suction nozzle 562 to lift, wherein the mold opening mechanism 550 comprises at least one mold opening drive 551, a shifting fork connecting plate 552 arranged at the execution end of the mold opening drive 551 and a mold opening fork 553 arranged at the shifting fork connecting plate 552 for inserting and separating an upper mold and a lower mold of the contact lens;
The upper die positioning mechanism comprises a suction nozzle assembly 540, an upper die module 520 for pushing the suction nozzle assembly 540 to lift, the upper die module 520 comprises an upper die lifting drive 521 fixed on an upper die support 510, an upper die sliding frame 522 is mounted at the execution end of the upper die lifting drive 521, the upper die sliding frame 522 is slidably mounted on the upper die support 510, a suction nozzle mounting frame 530 for mounting the suction nozzle assembly 540 is arranged at the bottom of the upper die sliding plate 522, the suction nozzle assembly 540 comprises a plurality of suction nozzle sliding rods 542 slidably mounted on the suction nozzle mounting frame 530, an upper die suction nozzle 541 is mounted at the tail end of each suction nozzle sliding rod 542, a die clamping weight 541 is mounted on the rod body of each suction nozzle sliding rod 542, and the upper die suction nozzle 541 is positioned above the jig assembly 300.
When the jig assembly 300 enters the station, the lower die positioning drive 561 is used for pushing the lower die positioning suction nozzle 562 to ascend so as to perform adsorption positioning; the lower die positioning suction nozzle 562 is used for adsorbing and fixing the lower die in the jig assembly 300, so as to ensure the stability of the lower die in the processes of die opening, filling and die closing; after the mold closing is finished, the lower mold positioning drive 561 is used for pushing the lower mold positioning suction nozzle 562 to descend, waiting for the next fixture assembly 300 to enter a station, and starting the next working cycle; the mold opening mechanism 550 is positioned at the side part of the filling station, the mold opening drive 551 is an air cylinder, each mold opening drive 551 corresponds to a mold on one jig assembly 300, the mold opening drive 551 pushes the shifting fork connecting plate 552 to move forward, the mold opening fork 553 is inserted into the mold on the jig assembly 300, only the upper mold is inserted by the mold opening fork 553 and hovers on the mold opening fork 553 to wait for the suction nozzle assembly 540 to absorb, a plurality of upper mold modules 520 can be arranged on the upper mold bracket 510 according to the requirement, the upper mold lifting drive 521 is an electric cylinder module, the upper mold lifting drive 521 can push the upper mold sliding frame 522 to perform lifting motion so as to drive the suction nozzle assembly 540 to realize lifting motion after the upper mold is absorbed, a plurality of suction nozzle sliding rods 542 are slidably arranged on the suction nozzle mounting frame 530, in a sliding installation mode, the descending motion is avoided, the lower motion is directly transmitted to the mold, the risk of damaging the mold is reduced, the bottom of each suction nozzle 542 is connected with the upper mold suction nozzle counterweight 541, each upper mold counterweight corresponds to the weight, the upper mold lifting drive 521 can push the upper mold sliding frame 522 to perform lifting motion to drive the suction nozzle assembly 540 to realize lifting motion after the suction of the upper mold is absorbed by the upper mold, the suction nozzle sliding frame 522, the suction nozzle sliding frame 542 is in a sliding motion, the suction motion is not damaged by the suction nozzle sliding frame, the suction rod sliding frame is in a sliding mode, only the mold clamping weight 543 on the nozzle slide 542 needs to be replaced.
In this embodiment, the injector assembly 460 and the constant temperature cabin 430 are both mounted on the injection main frame 470, the injection needle set 410 is connected with the injection valve set 450 by adopting an injection hose 411, the injection needle set 410 is mounted at the execution end of the needle set module 420, and the needle set module 420 is mounted at the side of the injection main frame 470 by adopting an injection side frame 412;
the liquid injection valve group 450 realizes the switching of the pumping and injecting actions of raw materials, reduces the whole volume and the complexity of the liquid injection and filling equipment, and improves the liquid injection efficiency.
In this embodiment, the needle assembly module 420 includes a needle assembly forward driving device 421 mounted on the injection side frame 412, a displacement adjustment table 422 mounted on an execution end of the needle assembly forward driving device 421, and a needle assembly pressing driving device 423 mounted on the execution end of the displacement adjustment table 422, wherein the needle assembly forward driving device 421 is a linear module, the needle assembly pressing driving device 423 is a cylinder, the needle assembly forward driving device 421 is used for driving the needle assembly pressing driving device 423 to move above the jig assembly 300, the needle assembly pressing driving device 423 drives the needle assembly module 420 to press the injection liquid, and a manually adjusted displacement adjustment table 422 is further arranged between the needle assembly forward driving device 421 and the needle assembly pressing driving device 423 to realize accurate position adjustment of the execution end, so that quality problems caused by errors are avoided.
In this embodiment, the needle set mounting plate 424 is mounted at the execution end of the needle set pressing drive 423, a plurality of injection needles are mounted on the needle set mounting plate 424 to form the injection needle set 410, and when the number of injection needles needs to be adjusted, only the corresponding needle set mounting plate 424 needs to be replaced, so as to realize rapid equipment adjustment and adjustment, so as to adapt to more types of relevant jigs of contact lenses.
In this embodiment, a liquid leakage collecting bucket 480 is further installed below the liquid injection needle set 410, and after the liquid injection is completed, the liquid injection needle set 410 is driven by the needle set module 420 to return to the initial rest position, and the liquid leakage collecting bucket 480 can prevent the residual raw material of the needle from dripping.
In this embodiment, the inspection unit 600 includes a detection camera 620, an inspection drive 610 for driving the detection camera 620 to move laterally, a light filling lamp plate 630, a lamp plate drive 650 for driving the light filling lamp plate 630 to translate, and a top mold assembly of a plurality of lifting molds, wherein the inspection drive 610 is located above a blanking area of the turnover unit 200, the inspection drive 620 is driven to sweep the jig assembly 300, the lamp plate drive 650 is located below the blanking area, the light filling lamp plate 630 is driven to move below the jig assembly 300, and the top mold assembly includes a top mold glue head 660 installed below the blanking area of the turnover unit 200, and a top mold cylinder 670 for driving the top mold glue head 660 to lift;
The vision inspection drive 610 is a linear module, the execution end of the vision inspection drive 610 is connected with a group of inspection cameras 620 through a frame plate, the inspection cameras 620 are driven by the vision inspection drive 610 to move to cover all jig components 300 in the blanking area to realize the vision inspection, the lamp panel drive 620 is an air cylinder, when the vision inspection is carried out, the lamp panel drive 620 moves the light supplementing lamp panel 630 to the lower part of the jig components 300 to supplement light through a mould so as to facilitate the vision inspection shooting of the inspection cameras 620, after the vision inspection is finished, the lamp panel drive 620 pushes the light supplementing lamp panel 630 away, the top mould air cylinder 670 pushes the top mould glue head 660 to push up the mould in the jig components 300, and the operation of the blanking unit 700 is waited.
In this embodiment, the structural features of the blanking unit 700 are the same as those of the loading unit 100, and the working state flows are opposite, so in the blanking process, the tray transporting trolley 110 is used for transporting empty trays, the tray transporting module 120 drives the tray gripper 130 to grab the empty trays from the AGV trolley to the tray moving module 140, the tray moving module 140 transports the empty trays to the side of the blanking area, waits for the vision inspection unit 600 to finish working, when the molds are jacked up, the filled molds on the jig assembly 300 are transported to the empty trays by the tray transporting manipulator 160, after the filled molds are transported to the tray temporary storage table 150 by the tray moving module 140, and after filling is finished, the filled molds are received.
In the embodiment, the jig assembly 300 comprises a jig plate 310 installed on the turnover unit 200, wherein the jig plate 310 is provided with a first row of die grooves 320 and a second row of die grooves 330 which are arranged in parallel, and the side surfaces of the first die grooves 320 and the side surfaces of the second die grooves 330 are respectively provided with a die opening mechanism 550;
Preferably, two mold opening mechanisms 550 are arranged on two sides of the jig assembly 300 with double mold grooves for opening the upper mold and the lower mold on each filling station, an upper mold positioning mechanism and a lower mold positioning mechanism 560 are arranged for positioning and sucking the upper mold and the lower mold, and the double-groove design is used for accommodating the molds and matched with the double mold opening mechanisms 550, so that the whole structure is more compact, and the disposable filling efficiency is improved.
The turnover unit 200 comprises a turnover ring rail 210 and a plurality of turnover plates 220 which are arranged on the Zhou Zhuaihuan rail 210 in a sliding manner, wherein the turnover driving mechanism 230 is used for driving the turnover plates 220 to turnover around the Zhou Zhuaihuan rail 210, the jig plate 310 is arranged on the turnover plates 220, the turnover driving mechanism 230 is connected by adopting chain transmission or belt transmission and drives the turnover plates 220 to slide on the turnover sliding rail 210, two filling and liquid injecting areas are arranged, the two filling and liquid injecting areas are positioned on the side surface of the Zhou Zhuaihuan rail 210, and the two filling and liquid injecting areas are positioned between the working procedures of the feeding area and the discharging area;
The turnover driving mechanism 230 is a motor, the Zhou Zhuaihuan rail 210 is a round rectangular annular rail with four sides, the output end of the turnover driving mechanism 230 drives a fluted disc, the fluted disc drives a toothed chain, a plurality of turnover turntables 220 are connected to the toothed chain, the turnover driving mechanism 230 realizes batch synchronous one-time turnover of the turnover turntables 220 on a single side under one-time rotation action, two adjacent filling liquid areas are arranged between a feeding area and a discharging area on the four sides, the single filling liquid area realizes filling of a mould in part of the jig assemblies 300, for example, 4 jig assemblies on a single side, the first filling liquid area carries out filling liquid operation of the first jig assembly 300 and the third jig assembly 300, the second filling liquid area carries out filling liquid operation of the second fourth jig assembly 300, the whole structure layout is compact and reasonable, synchronous turnover and batch operation are carried out, and the whole processing efficiency is improved.
The invention also provides a contact lens filling and mold closing system, and the contact lens filling and mold closing method comprises a turnover unit 200 for turnover of a jig assembly 300, a mold opening and closing unit 500, a liquid filling unit 400, a feeding unit 100 for providing a mold to be filled, a discharging unit 700 for collecting the filled mold and a vision inspection unit 600, wherein the mold opening and closing unit 500, the liquid filling unit 400, the feeding unit 100, the discharging unit 700 and the vision inspection unit 600 are distributed on the side parts of the turnover unit.
The contact lens filling and die closing system integrates die opening, filling and die closing actions, is compact in overall structure, high in functional integration level, and capable of synchronously filling liquid in batches by multiple filling liquid areas, reduces the overall operation period of a die, improves the filling efficiency of liquid filling, reduces the risk of manual operation by matching with an automatic feeding and discharging unit, and improves the overall production and processing quality and the processing efficiency of the contact lens.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411978566.1A CN119773120A (en) | 2024-12-31 | 2024-12-31 | Contact lens filling die closing method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411978566.1A CN119773120A (en) | 2024-12-31 | 2024-12-31 | Contact lens filling die closing method and system |
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| CN119773120A true CN119773120A (en) | 2025-04-08 |
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Cited By (1)
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| CN120716209A (en) * | 2025-08-15 | 2025-09-30 | 平方和(北京)科技有限公司 | A contact lens automatic filling and mold closing method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111113962A (en) * | 2018-10-30 | 2020-05-08 | 上海冉本智能科技有限公司 | Equipment and method for liquid injection and mold closing of contact lenses |
| CN110696395A (en) * | 2019-09-25 | 2020-01-17 | 苏州茂特斯自动化设备有限公司 | Contact lens compound die former |
| CN114084673A (en) * | 2021-12-21 | 2022-02-25 | 重庆宇海精密制造股份有限公司 | Visual defect detection equipment |
| CN114643775A (en) * | 2022-05-20 | 2022-06-21 | 苏州茂特斯自动化设备有限公司 | Automatic pad printing machine for contact lenses |
| CN218593512U (en) * | 2022-06-07 | 2023-03-10 | 江苏海伦隐形眼镜有限公司 | Glasses upper and lower die injection molding system capable of automatically feeding and discharging |
| CN218535349U (en) * | 2022-10-24 | 2023-02-28 | 平方和(北京)科技有限公司 | Contact lens filling and mold closing equipment |
| CN223618083U (en) * | 2024-12-31 | 2025-12-02 | 平方和(北京)科技有限公司 | Contact lens filling die clamping equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120716209A (en) * | 2025-08-15 | 2025-09-30 | 平方和(北京)科技有限公司 | A contact lens automatic filling and mold closing method and system |
| CN120716209B (en) * | 2025-08-15 | 2026-02-17 | 平方和(北京)科技股份有限公司 | Automatic filling and die closing method and system for contact lens |
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