Contact lens mold classifying and placing equipment

The contact lens mold sorting and traying equipment, which integrates carrier transport and tray conveying units, solves the problems of large space occupation and time-consuming process in mold production, realizes rapid mold closing and efficient placement, and reduces production costs.

CN223802999UActive Publication Date: 2026-01-16SIGMA SQUARES (BEIJING) TECH CO LTD
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Patent Information

Application Number
CN202520047190.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-01-16
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

In the current contact lens mold production process, the mold occupies a large space, requires a lot of storage, and the mold closing and sorting processes are time-consuming, labor-intensive, and have high equipment costs.

Method used

Design a contact lens mold sorting and tray placement device that integrates a carrier transmission unit, a material tray conveying unit, and a tray placement robotic arm. Through a matching mold closing unit, it realizes the automated mold closing and sorting of the upper and lower molds, reducing the turnover process.

Benefits of technology

It enables rapid mold closing and material placement, shortens the turnover process, reduces equipment costs, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of contact lens automatic production, in particular to contact lens mold classifying and tray arranging equipment which comprises a carrier conveying unit, a material tray conveying unit arranged in the conveying direction of the carrier conveying unit, a plurality of tray arranging mechanical arms arranged in the conveying direction of the carrier conveying unit and a pairing mold closing unit. The pairing mold closing unit is used for closing and pairing the upper mold and the plurality of upper and lower molds in the mold carrier; the carrier conveying unit is used for conveying the mold carrier; in the conveying process, the upper dies and the lower dies of the same type are placed in trays of the tray conveying unit in a classified mode through the multiple tray placing mechanical arms. According to the utility model, the whole structure is simple, and the matching mold closing unit and the carrier conveying unit are integrated in a placing and sorting process, so that continuous and stable material supply is provided for the classified tray placing action; rapid die assembly and placement and material collection after processing of the contact lens upper die and the contact lens lower die are realized; the overall turnover process is shortened, time and equipment cost is reduced, and the overall production and machining efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to contact lens automation production technical field, specifically is a contact lens mold classification tray equipment. BACKGROUND

[0002] In the production and processing of contact lens mold, the contact lens upper die and lower die are respectively made by injection molding machine.

[0003] In the prior art, the contact lens upper die and lower die injection molding machines are placed separately, and the injection molded upper die and lower die are placed in the tray for turnover, the overall equipment occupies a large space, many trays need to be turned over, and the required storage space is also large, which increases the production cost of the manufacturer; during the mold closing and sorting tray process, the carrier also needs to be turned over and circulated, the conventional carrier turnover needs to occupy a large planar space, and turnover personnel need to be equipped to cooperate, and the overall time process and cost consumption are also large. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a contact lens mold classification tray equipment which saves space, integrates mold closing and tray functions, and can hover and sort as needed to improve turnover efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A contact lens mold classification tray equipment, comprising a carrier transmission unit for carrying and turning over the mold carrier, a tray conveying unit arranged along the transmission direction of the carrier transmission unit and used for conveying the tray, a plurality of tray mechanical arms arranged along the conveying direction of the carrier transmission unit, and a matched mold closing unit.

[0007] The matched mold closing unit is used for matching and pairing several upper dies and lower dies of multiple types in the mold carrier; the carrier transmission unit transmits the mold carrier; during the transmission process, the plurality of tray mechanical arms classify and place the upper dies and lower dies of the same type in the trays of the tray conveying unit.

[0008] Further, the matched mold closing unit comprises an upper die material guiding mechanism, a lower die material guiding mechanism and a mold closing mechanism.

[0009] The upper die material guiding mechanism connects and moves the plurality of upper dies to the upper die feeding position, and the lower die material guiding mechanism connects and moves the plurality of lower dies to the lower die feeding position; the mold closing mechanism moves the lower die from the lower die feeding position to the mold carrier, and then moves the upper die from the upper die feeding position to the mold carrier by the mold closing mechanism, and places the upper die in the lower die with the same degree or model, so as to realize the matched mold closing of the plurality of upper dies and lower dies.

[0010] Further, the upper die feeding mechanism comprises an upper die receiving assembly for receiving the upper die and an upper die moving assembly for moving the upper die to the feeding position; after the upper die receiving assembly receives the upper die, the upper die moving assembly moves the upper die from the upper die receiving assembly to the feeding position;

[0011] The upper die receiving assembly comprises an upper die receiving tool, an upper die turnover drive for driving the upper die receiving tool to turn over, and an upper die lifting drive installed on the front frame for pushing the upper die turnover drive to descend;

[0012] The upper die moving assembly comprises an upper die jig for placing the upper die and an upper die linear drive for driving the upper die jig to move;

[0013] The upper die turnover drive turns the orientation of the upper die receiving tool to the upper die feeding position; after the upper die receiving tool receives and fixes the upper die, the upper die turnover drive turns the orientation of the upper die receiving tool to the upper die moving assembly, the upper die lifting drive makes the upper die turnover drive descend, and the upper die receiving tool places the upper die in the upper die moving assembly;

[0014] When the upper die receiving assembly receives the upper die feeding position, the upper die linear drive drives the upper die jig to the upper die receiving tool to wait for the upper die to be loaded, and after the upper die receiving assembly loads the upper die, the upper die linear drive drives the upper die jig to the upper die feeding position.

[0015] Further, the die closing mechanism comprises a die closing linear drive, a die closing connecting frame installed at the execution end of the die closing linear drive, and two die closing lifting drives installed on the die closing connecting frame, and the execution end of each die closing lifting drive is installed with a die closing tool;

[0016] The die closing linear drive drives the die closing connecting frame to move, thereby driving one of the die closing lifting drives and the die closing tool to reciprocate between the upper die feeding mechanism and the mold carrier, and the other die closing lifting drive and the die closing tool reciprocate between the lower die feeding mechanism and the mold carrier;

[0017] The die closing lifting drive pushes the die closing tool to ascend and descend to pick up the upper die and the lower die at the upper die feeding mechanism or the lower die feeding mechanism, and then the die closing linear drive drives the die closing lifting drive to the upper die or the lower die in the mold carrier; the die closing lifting drive pushes the die closing tool to ascend and descend to place the lower die in the mold carrier or the upper die in the lower die, thereby completing the die closing.

[0018] Further, the carrier transmission unit comprises a material feeding device for unidirectionally conveying the mold carrier, an empty feeding device, a first material moving mechanism, and a second material moving mechanism for moving the mold carrier;

[0019] The in-line end of the loaded conveying device and the empty conveying device is respectively provided with a first feeding mechanism and a second feeding mechanism, and the out-line end of the loaded conveying device and the empty conveying device is respectively provided with a first discharging mechanism and a second discharging mechanism;

[0020] The loaded conveying device drives the mold carrier with the mold to move, and when the mold carrier moves to the second conveying mechanism, the mold on the mold carrier is classified and completed, and the mold carrier is sent into the second conveying mechanism by the first discharging mechanism; the second conveying mechanism carries the mold carrier without load at the out-line end of the loaded conveying device to the in-line end of the empty conveying device, and the mold carrier is sent into the empty conveying device by the second feeding mechanism for conveying; when the mold carrier moves to the out-line end of the empty conveying device, the mold carrier is sent into the first conveying mechanism by the second discharging mechanism, and the first conveying mechanism carries the mold carrier without load to the in-line end of the loaded conveying device;

[0021] The matched mold unit matches the upper mold and the lower mold in the mold carrier without load, and the mold carrier with the matched mold is sent into the loaded conveying device by the first feeding mechanism again to realize the rotation cycle of the mold carrier.

[0022] Further, the first feeding mechanism comprises a first feeding push plate, a first feeding frame plate and a first feeding drive; the first feeding frame plate is installed on one side of the loaded conveying device, the first feeding drive is installed on the first feeding frame plate, and the first feeding drive drives the first feeding push plate to push the mold carrier into the loaded conveying device from the first conveying mechanism;

[0023] The second discharging mechanism comprises a second discharging push plate, a second discharging drive, a second discharging stop block, a second stop drive and a second discharging frame plate; the second discharging frame plate is installed on one side of the empty conveying device, and the second discharging drive and the second stop drive are both installed on the second discharging frame plate; the second discharging drive drives the second discharging push plate to push the mold carrier without load into the first conveying mechanism; and the second stop drive drives the second discharging stop block to block the mold carrier to be connected;

[0024] The first conveying mechanism comprises a carrier support plate for carrying the mold carrier and a conveying drive for driving the carrier support plate to move; the carrier support plate is sleeved on the moving frame body in a sliding sleeve manner; the execution end of the conveying drive penetrates through the moving frame body and is connected with the carrier support plate; during the carrying process, the conveying drive drives the carrier support plate to move, and then drives the mold carrier to move, so that the mold carrier is moved from the out-line end of the empty conveying device to the in-line end of the loaded conveying device.

[0025] Further, the mold carrier transmission unit further comprises a mold carrier positioning mechanism, which comprises a positioning assembly for blocking the mold carrier, a jacking assembly for jacking the blocked mold carrier, and a blocking assembly for blocking the mold carrier without jacking.

[0026] The mold carrier carrying the mold is transported to the tray arranging station, the mold carrier to be processed is positioned and blocked by the jacking assembly, the mold carrier to be processed is jacked up by the jacking assembly, and waits for the tray arranging mechanical arm to arrange; the mold carriers in the material carrying device that are not jacked up are blocked by the blocking assembly;

[0027] The positioning assembly and the jacking assembly are hoisted on the material carrying device by a first mounting plate; the blocking assembly is hoisted on the material carrying device by a second mounting plate;

[0028] The positioning assembly comprises a positioning baffle and a positioning drive for driving the positioning baffle to lift;

[0029] The jacking assembly comprises a jacking frame plate and a jacking drive for driving the jacking frame plate to lift;

[0030] The blocking assembly comprises a blocking vertical plate and a blocking drive for driving the blocking vertical plate to lift;

[0031] The positioning drive and the jacking drive are mounted on the first mounting plate, and the blocking drive is mounted on the second mounting plate.

[0032] Further, the execution end of the tray arranging mechanical arm is provided with a plurality of tray arranging tools by a tool connecting plate; each independent tray arranging mechanical arm drives the tray arranging tools of the execution end to pick up and arrange the same type of mold after mold clamping in the mold carriers;

[0033] Further, the tray conveying unit is provided with a tray conveying mechanism at the tray entering end and the tray exiting end; each tray conveying mechanism is provided with a tray conveying trolley;

[0034] Further, the material entering end of the mold clamping unit is further provided with an upper mold injection device and a lower mold injection device for respectively forming the mold to be clamped;

[0035] The upper mold injection device is located on one side of the upper mold material guiding mechanism; and the lower mold injection device is located on one side of the lower mold material guiding mechanism;

[0036] Further, the carrier conveying unit is provided with two, and the material entering ends of the two carrier conveying units are provided at the mold clamping unit, and the conveying directions of the two carrier conveying units are opposite;

[0037] The two sides of each carrier conveying unit are provided with a tray conveying unit, and the tray conveying units are located within the working range of the tray arranging mechanical arm, and the tray conveying directions of the adjacent two tray conveying units are consistent.

[0038] Compared with the prior art, the utility model has the beneficial effects as follows:

[0039] In actual use, a plurality of upper dies and lower dies are placed in a mold carrier after being correspondingly paired by the pairing and clamping unit, and a plurality of mold carriers loaded with the clamped molds are continuously transported by the carrier transmission unit; during the transportation, a plurality of tray placing mechanical arms arranged along the conveying direction of the carrier transmission unit sort and place different molds in the mold carriers;

[0040] The utility model discloses, the overall structure is simple, and the pairing and clamping unit is integrated in the placing and sorting process with the carrier transmission unit, provides continuous and stable feeding for classified tray placing action, realizes the quick clamping and placing of the material after the processing of the upper die and lower die of contact lens, shortens the overall turnover process, reduces time and equipment cost, improves the overall production and processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 It is the overall schematic view of the utility model;

[0042] Figure 2 It is the partial hidden schematic view of the utility model;

[0043] Figure 3 It is the plan view of the pairing and clamping mechanism of the utility model;

[0044] Figure 4 It is the inclined view of the pairing and clamping mechanism of the utility model;

[0045] Figure 5 It is the inclined view of the carrier transmission unit of the utility model;

[0046] Figure 6 It is the local enlarged schematic view of the carrier transmission unit of the utility model;

[0047] Figure 7 It is the schematic view of the carrier positioning mechanism structure of the utility model;

[0048] Figure 8 It is the schematic view of the tray placing mechanical hand of the utility model;

[0049] Figure 9 It is the schematic view of the feeding injection molding machine of the utility model. DETAILED DESCRIPTION

[0050] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0051] Reference Figures 1-9As shown, a contact lens mold classification tray placing device comprises a carrier conveying unit for carrying and circulating mold carriers, a tray conveying unit arranged along the conveying direction of the carrier conveying unit and used for conveying trays, a plurality of tray placing mechanical arms arranged along the conveying direction of the carrier conveying unit, and a matched mold unit;

[0052] The matched mold unit is used for matching a plurality of upper molds and lower molds of multiple types in a mold carrier; the carrier conveying unit conveys the mold carrier; during the conveying process, the plurality of tray placing mechanical arms classify and place upper molds and lower molds of the same type in the trays of the tray conveying unit.

[0053] In actual use, the plurality of upper molds and lower molds are placed in the mold carriers 200 after being correspondingly matched by the matched mold unit 300, and the mold carriers 200 carrying the matched molds are continuously conveyed by the carrier conveying unit 400; during the conveying process, the plurality of tray placing mechanical arms 600 arranged along the conveying direction of the carrier conveying unit 400 sort and place different molds in the mold carriers 200.

[0054] The contact lens mold classification tray placing device has a simplified overall structure, integrates the matched mold unit and the carrier conveying unit in the placing and sorting process, provides continuous and stable feeding for the classification and tray placing action, realizes rapid matching and placing of contact lens upper molds and lower molds after processing, shortens the overall circulation process, reduces time and equipment cost, and improves the overall production and processing efficiency.

[0055] In the embodiment, the matched mold unit 300 comprises an upper mold material guiding mechanism 320, a lower mold material guiding mechanism 330, and a matched mold mechanism 340; the upper mold material guiding mechanism 320 connects and moves a plurality of upper molds to the upper mold feeding position, the lower mold material guiding mechanism 330 connects and moves a plurality of lower molds to the lower mold feeding position; the matched mold mechanism 340 moves the lower mold from the lower mold feeding position to the mold carrier 200, and then moves the upper mold from the upper mold feeding position to the mold carrier 200 by the matched mold mechanism 340, and places the upper mold in the lower mold with the same degree or model, so as to realize matching of the plurality of upper molds and lower molds.

[0056] The upper die receiving and transferring is performed by the upper die guide mechanism 320 and the lower die guide mechanism 330, and a plurality of dies can be operated simultaneously in a single receiving and transferring; after the upper die and the lower die are transferred to the feeding position by the upper die guide mechanism 320 and the lower die guide mechanism 330, the lower die is first placed in the die carrier 200 by the die closing mechanism 340, and then the upper die is placed in the lower die, thereby completing the paired die closing; the placement position of the upper die on the die carrier 200 corresponds to the distribution position of the die picked up by the execution end of the upper die guide mechanism 320, the lower die guide mechanism 330 and the die closing mechanism 340; the overall structure is simplified, the feeding of the upper die and the lower die is realized in an integrated manner, the die transfer path is reduced, the upper die and the lower die are quickly paired by the die closing mechanism, further transfer is reduced, the die closing pairing is completed quickly, the time, the economic and labor costs caused by long-distance transfer are saved, and the overall production and processing efficiency is improved.

[0057] Specifically, the upper die guide mechanism 320, the lower die guide mechanism 330 and the die closing mechanism 340 are all installed on the die closing support 310; the die closing support 310 includes a front support 312, a rear support 313, and a die closing cross support 311 arranged at the top of the front support 312 and the rear support 313; the upper die guide mechanism 320 is installed on the front support 312, the lower die guide mechanism 330 is installed on the rear support 313, and the die closing mechanism 340 is installed on the die closing cross support 311.

[0058] The front support 312, the rear support 313 and the die closing cross support 311 are profile supports, which have low modification cost and can be quickly adjusted and built in length and height as needed; the upper die guide mechanism 320, the lower die guide mechanism 330 and the die closing mechanism 340 have a linear layout structure and double-end feeding, thereby further reducing the transfer cost.

[0059] In the embodiment, the upper die guide mechanism 320 includes an upper die receiving assembly 321 for receiving the upper die and an upper die moving assembly 322 for moving the upper die to the feeding position; after the upper die is received by the upper die receiving assembly 321, the upper die moving assembly 322 moves the upper die from the upper die receiving assembly 321 to the upper die feeding position.

[0060] The upper die receiving assembly 321 includes an upper die receiving tool 3213, an upper die turnover drive 3212 for driving the upper die receiving tool 3213 to turn over, and an upper die lifting drive 3211 installed on the front support 312 for pushing the upper die turnover drive 3212 to descend; the upper die moving assembly 322 includes an upper die jig 3222 for placing the upper die and an upper die linear drive 3221 for driving the upper die jig 3222 to move.

[0061] The upper mold turnover drive 3212 rotates the orientation of the upper mold receiving tool 3213 to the upper mold incoming material position. After the upper mold receiving tool 3213 receives and fixes the upper mold, the upper mold turnover drive 3212 rotates the orientation of the upper mold receiving tool 3213 to the upper mold moving assembly 322. The upper mold lifting drive 3211 drives the upper mold turnover drive 3212 to descend, and the upper mold receiving tool 3213 places the upper mold in the upper mold moving assembly 322.

[0062] When the upper mold receiving assembly 321 receives the upper mold incoming material, the upper mold linear drive 3221 drives the upper mold jig 3222 to the upper mold receiving tool 3213 to wait for the upper mold loading. After the upper mold receiving assembly 321 loads the upper mold, the upper mold linear drive 3221 drives the upper mold jig 3222 to the upper mold incoming material position.

[0063] Preferably, the upper mold receiving assembly 321 is used to receive the upper mold that needs to be clamped, and place the upper mold in the upper mold moving assembly 322 to transport the upper mold to the incoming material position, thereby reducing the number of turnovers and combining the actions of receiving and moving.

[0064] Preferably, the upper mold turnover drive 3212 is a rotary cylinder, the upper mold lifting drive 3211 is a slide cylinder, and the upper mold receiving tool 3213 is a suction cup or a clamping jaw that can pick up and place the mold.

[0065] In the embodiment, the lower mold guiding mechanism 330 includes a lower mold receiving assembly 331 for receiving the lower mold and a lower mold moving assembly 332 for moving the lower mold to the incoming material position. The structural features of the lower mold guiding mechanism 330 are the same as those of the upper mold guiding mechanism 320, except that the object implemented by the technical solution is the lower mold.

[0066] In the embodiment, the clamping mechanism 340 includes a clamping linear drive 341, a clamping connecting frame 342 installed at the execution end of the clamping linear drive 341, and two clamping lifting drives 343 installed on the clamping connecting frame 342. The execution end of each clamping lifting drive 343 is installed with a clamping tool 344.

[0067] The clamping linear drive 341 drives the clamping connecting frame 342 to move, thereby driving one of the clamping lifting drives 343 and the clamping tool 344 to reciprocate between the upper mold guiding mechanism 320 and the mold carrier 200, and driving the other clamping lifting drive 343 and the clamping tool 344 to reciprocate between the lower mold guiding mechanism 330 and the mold carrier 200.

[0068] The mold closing lifting drive 343 pushes the mold closing tool 344 to lift the upper mold and the lower mold at the upper mold material guiding mechanism 320 or the lower mold material guiding mechanism 330, and then the mold closing linear drive 341 drives the mold closing lifting drive 343 to the upper mold or the lower mold in the mold carrier 200; the mold closing lifting drive 343 pushes the mold closing tool 344 to lift the lower mold in the mold carrier 200 or the upper mold in the lower mold, and the mold closing is completed.

[0069] Preferably, the mold closing linear drive 341 is a linear motor, the mold closing lifting drive 343 is a sliding table air cylinder, and the mold closing tool 344 is a suction cup or a clamping jaw which can pick up and place the mold;

[0070] In the embodiment, the carrier conveying unit 400 includes a material carrying conveying device 410 and an empty carrying conveying device 420 for unidirectional conveying of the mold carrier 200, and a first material moving mechanism 500 and a second material moving mechanism 800 for moving the mold carrier 200;

[0071] The material carrying conveying device 410 and the empty carrying conveying device 420 are respectively provided with a first feeding mechanism 430 and a second feeding mechanism 450 at the inlet end, and are respectively provided with a first discharging mechanism 460 and a second discharging mechanism 470 at the outlet end;

[0072] By being provided with the first feeding mechanism 430 and the second feeding mechanism 450, and the corresponding first discharging mechanism 460 and the second discharging mechanism 470, the mold carrier 200 is quickly fed and discharged, and the redundant mold circulation and handling steps are reduced.

[0073] The material carrying conveying device 410 drives the mold carrier 200 carrying the mold to move, and when the mold carrier 200 moves to the second material moving mechanism 800, the mold on the mold carrier 200 is classified, and the first discharging mechanism 460 is used to send the mold carrier 200 into the second material moving mechanism 800; the second material moving mechanism 800 carries the mold carrier 200 empty at the outlet end of the material carrying conveying device 410 to the inlet end of the empty carrying conveying device 420, and the second feeding mechanism 450 is used to send the mold carrier 200 into the empty carrying conveying device 420 for conveying; when the mold carrier 200 moves to the outlet end of the empty carrying conveying device 420, the second discharging mechanism 470 is used to send the mold carrier 200 into the first material moving mechanism 500, and the first material moving mechanism 500 carries the empty mold carrier 200 to the inlet end of the material carrying conveying device 410;

[0074] The mold closing unit 300 is used to cooperate and close the upper mold and the lower mold in the empty mold carrier 200, and the mold carrier 200 carrying the mold after the mold closing is sent into the material carrying conveying device 410 by the first feeding mechanism 430 again, so that the mold carrier 200 is circulated;

[0075] In the embodiment, the first feeding mechanism 430 comprises a first feeding push plate 431, a first feeding rack plate 433 and a first feeding drive 432. The first feeding rack plate 433 is installed on one side of the material carrying conveying device 410, the first feeding drive 432 is installed on the first feeding rack plate 433, and the first feeding drive 432 drives the first feeding push plate 431 to push the mold carrier 200 from the first material conveying assembly 500 into the material carrying conveying device 410.

[0076] Preferably, the first feeding drive 432 is a pneumatic cylinder, which drives the first feeding push plate 431 to push the mold carrier 200.

[0077] In the embodiment, the second feeding mechanism 450 is a separately installed pneumatic cylinder, and the execution end of the pneumatic cylinder is connected with a push rod. The second feeding mechanism 450 drives the push rod of the execution end to send the empty mold carrier 200 from the second material conveying assembly 800 into the empty mold conveying device 420.

[0078] In the embodiment, the first feeding mechanism 460 and the second feeding mechanism 470 have the same structural features, and the difference is only that the installation positions are different. The first feeding mechanism 460 operates and implements the object of the empty mold carrier located at the outlet end of the material carrying conveying device 410.

[0079] In the embodiment, the second feeding mechanism 470 comprises a second feeding push plate 471, a second feeding drive 472, a second feeding stop block 475, a second stop drive 474 and a second feeding rack plate 473. The second feeding rack plate 473 is installed on one side of the empty mold conveying device 420. The second feeding drive 472 and the second stop drive 474 are both installed on the second feeding rack plate 473. The second feeding drive 472 drives the second feeding push plate 471 to push the empty mold carrier 200 into the first material conveying assembly 500. The second stop drive 474 drives the second feeding stop block 475 to block the mold carrier 200 to be conveyed.

[0080] When the mold carrier 200 is about to enter the first material conveying assembly 500 from the outlet end of the empty mold conveying device 420, the second stop drive 474 drives the second feeding stop block 475 to lift and block other mold carriers 200 ready to flow out of the empty mold conveying device 420, so as to avoid interference and collision of other mold carriers 200 with the mold carrier 200 to be conveyed. The second feeding drive 472 drives the second feeding push plate 471 to push the mold carrier 200 to be conveyed into the first material conveying assembly 500.

[0081] In the embodiment, the first material conveying mechanism 500 can be a manipulator or a lifting structure or other mechanism satisfying the material conveying function. Preferably, the first material conveying mechanism 500 comprises a carrier pallet 510 for carrying the mold carrier 200 and a material conveying drive 530 for driving the carrier pallet 510 to move. The carrier pallet 510 is sleeved on a material conveying frame body 550 by a sliding sleeve 540. The execution end of the material conveying drive 530 is connected to the carrier pallet 510 through the material conveying frame body 550. During the material conveying process, the material conveying drive 530 drives the carrier pallet 510 to move, thereby driving the mold carrier 200 to move from the outlet end of the empty carrier conveying device 420 to the inlet end of the material carrying conveying device 410. The carrier pallet 510 is further provided with a carrier roller 520.

[0082] The material conveying drive 530 is a pneumatic cylinder, which can change the height of the carrier pallet 510 to ensure that the height of the carrier pallet 510 is consistent with the height of the material carrying conveying device 410 and the empty carrier conveying device 420. The carrier roller 520 is provided, and the mold carrier 200 can be quickly slid into or out of the carrier pallet 510 through the carrier roller, thereby achieving rapid feeding and discharging.

[0083] In the embodiment, the structure of the second material conveying mechanism 500 is consistent with that of the first material conveying mechanism 500, and the difference is only that the installation positions are different.

[0084] In the embodiment, the carrier conveying unit 400 further comprises a carrier positioning mechanism 440, which comprises a positioning assembly 441 for blocking the mold carrier 200, a jacking assembly 442 for jacking the blocked mold carrier 200, and a blocking assembly 443 for blocking the mold carrier 200 that has not been jacked. The mold carrier 200 carrying the mold is conveyed to the tray arranging position, the jacking assembly 442 positions and blocks the mold carrier 200 to be processed, and the jacking assembly 442 jacks the mold carrier 200 to be processed, waiting for the tray arranging mechanical arm 600 to arrange the tray. The blocking assembly 443 blocks the mold carrier 200 in the material carrying conveying device 410 that has not been jacked.

[0085] The carrier positioning mechanism 440 is used to position and jack up the mold carrier 200 at a specified position of the material carrying conveying device 410, so as to facilitate the tray arranging mechanical arm 600 to arrange the tray. Jacking up the mold carrier 200 can avoid the vibration and other problems caused by the material carrying conveying device 410 when only the blocking action is performed. The positioning assembly 441 blocks and positions the mold carrier 200 that needs to be jacked, and the jacking assembly 442 lifts up the mold carrier 200, thereby facilitating the subsequent equipment to operate.

[0086] In the embodiment, the positioning assembly 441 and the jacking assembly 442 are hoisted on the material carrying conveying device 410 by the first mounting plate 444; the blocking assembly 443 is hoisted on the material carrying conveying device 410 by the second mounting plate 445; the positioning assembly 441 comprises a positioning baffle 4411 and a positioning drive 4412 for driving the positioning baffle 4411 to lift; the jacking assembly 442 comprises a jacking frame plate 4421 and a jacking drive 4422 for driving the jacking frame plate 4421 to lift; the blocking assembly 443 comprises a blocking vertical plate 4432 and a blocking drive 4431 for driving the blocking vertical plate 4432 to lift; the positioning drive 4412 and the jacking drive 4422 are mounted on the first mounting plate 444, and the blocking drive 4431 is mounted on the second mounting plate 445.

[0087] The positioning baffle 4411 is pushed up by the positioning drive 4412 to block and position the mold carrier 200 to be jacked, and after being blocked, the jacking frame plate 4421 is pushed up by the jacking drive 4422 to lift the mold carrier 200, so that the mold carrier 200 is stable and convenient for subsequent equipment operation; the blocking vertical plate 4432 is pushed up by the blocking drive 4431 to block the mold carrier 200 in the material carrying conveying device 410 which is not jacked, so as to avoid the influence of the mold carrier 200 being operated.

[0088] In the embodiment, the execution end of the tray placing mechanical arm 600 is provided with a plurality of tray placing tools 610 mounted on a tool connecting plate 620; each independent tray placing mechanical arm 600 drives the execution end of the tray placing tool 610 to pick up and place the same type of mold in the mold carrier 200; the layout mode of the tray placing tool 610 is set corresponding to the number of mold cavities on the mold carrier 200, and can be adjusted as needed according to different sorting and placing requirements.

[0089] In the embodiment, the tray conveying unit 900 is provided with a tray conveying mechanism 700 at the tray feeding end and the tray discharging end;

[0090] In the embodiment, the material feeding end of the matched mold unit 300 is further provided with an upper mold injection molding device 110 and a lower mold injection molding device 120 for respectively forming the mold to be matched;

[0091] The upper mold injection molding device 110 is located on one side of the upper mold material guiding mechanism 320; and the lower mold injection molding device 120 is located on one side of the lower mold material guiding mechanism 330.

[0092] The seamless connection of the mold is realized, the excess tray or other turnover means is reduced, the cost is reduced, and the efficiency is improved; the upper mold injection equipment 110 and the lower mold injection equipment 120 are provided with the mold ejection mechanical arm 111, and the execution end of the mold ejection mechanical arm 111 is provided with the mold ejection suction cup 112; the suction position of the mold ejection suction cup 112 corresponds to the suction position of the upper mold receiving suction cup 323 and the lower mold receiving suction cup 333, so that the smooth handover is realized; corresponding to different mold requirements and discharge requirements, the mold ejection suction cup 112 only needs to be replaced to complete the debugging and adaptation of the production line.

[0093] In the embodiment, the two carrier conveying units 400 are arranged at the paired mold closing unit 300, and the conveying directions of the two carrier conveying units 400 are opposite.

[0094] The tray conveying unit 900 is arranged on each side of the carrier conveying unit 400, the tray conveying unit 900 is located in the working range of the tray turning mechanical arm 600, and the tray conveying directions of the two adjacent tray conveying units 900 are consistent.

[0095] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the range defined by the spirit of the utility model.

Claims

1. A contact lens mold sorting tray apparatus, comprising: The mold carrier (200) is transported by a carrier transport unit (400), the trays are transported by a tray conveying unit (900) arranged along the transport direction of the carrier transport unit, a plurality of tray placing robots (600) are arranged along the transport direction of the carrier transport unit (400), and a mold pairing unit (300) is arranged. The mold pairing unit (300) is used for pairing a plurality of upper molds and lower molds of a plurality of types in the mold carrier (200), the mold carrier (200) is transported by the carrier transport unit (400), and the upper molds and the lower molds of the same type are classified and placed in the trays of the tray conveying unit (900) during the transportation.

2. A contact lens mold sorting tray apparatus as claimed in claim 1, wherein, The mold pairing unit (300) comprises an upper mold guiding mechanism (320), a lower mold guiding mechanism (330) and a mold pairing mechanism (340). The upper mold guiding mechanism (320) receives a plurality of upper molds and moves the upper molds to an upper mold feeding position, the lower mold guiding mechanism (330) receives a plurality of lower molds and moves the lower molds to a lower mold feeding position, the mold pairing mechanism (340) moves the lower molds from the lower mold feeding position to the mold carrier (200), and the mold pairing mechanism (340) moves the upper molds from the upper mold feeding position to the mold carrier (200) and places the upper molds in the lower molds of the same degree or type, so as to pair the upper molds and the lower molds.

3. A contact lens mold sorting tray apparatus as claimed in claim 2, wherein, The upper mold guiding mechanism (320) comprises an upper mold receiving assembly (321) for receiving the upper molds and an upper mold moving assembly (322) for moving the upper molds to the upper mold feeding position; after the upper mold receiving assembly (321) receives the upper molds, the upper mold moving assembly (322) moves the upper molds from the upper mold receiving assembly (321) to the upper mold feeding position. The upper mold receiving assembly (321) comprises an upper mold receiving tool (3213), an upper mold turnover drive (3212) for driving the upper mold receiving tool (3213) to turn over, and an upper mold lifting drive (3211) installed on a front frame (312) and used for driving the upper mold turnover drive (3212) to descend; the upper mold moving assembly (322) comprises an upper mold jig (3222) for placing the upper molds and an upper mold linear drive (3221) for driving the upper mold jig (3222) to move. The upper mold turnover drive (3212) turns the orientation of the upper mold receiving tool (3213) to the upper mold feeding position, the upper mold receiving tool (3213) receives and fixes the upper molds, the upper mold turnover drive (3212) turns the orientation of the upper mold receiving tool (3213) to the upper mold moving assembly (322), the upper mold lifting drive (3211) drives the upper mold turnover drive (3212) to descend, and the upper mold receiving tool (3213) places the upper molds in the upper mold moving assembly (322). When the upper mold receiving assembly (321) receives the upper molds, the upper mold linear drive (3221) drives the upper mold jig (3222) to the upper mold receiving tool (3213) to wait for the upper molds to be loaded, and after the upper mold receiving assembly (321) loads the molds, the upper mold linear drive (3221) drives the upper mold jig (3222) to the upper mold feeding position.

4. A contact lens mold sorting tray apparatus as claimed in claim 2, wherein, The mold closing mechanism (340) comprises a mold closing linear drive (341), a mold closing connecting frame (342) installed at the execution end of the mold closing linear drive (341), and two mold closing lifting drives (343) installed on the mold closing connecting frame (342), and the execution end of each of the mold closing lifting drives (343) is installed with a mold closing tool (344); The mold closing linear drive (341) drives the mold closing connecting frame (342) to move, and then drives one of the mold closing lifting drives (343) and the mold closing tool (344) to reciprocate between the upper mold material guiding mechanism (320) and the mold carrier (200), and the other mold closing lifting drive (343) and the mold closing tool (344) reciprocate between the lower mold material guiding mechanism (330) and the mold carrier (200); The mold closing lifting drive (343) pushes the mold closing tool (344) to lift to pick up the upper mold and the lower mold at the upper mold material guiding mechanism (320) or the lower mold material guiding mechanism (330), and then the mold closing linear drive (341) drives the mold closing lifting drive (343) to the upper mold or the lower mold in the mold carrier (200); the mold closing lifting drive (343) pushes the mold closing tool (344) to lift to place the lower mold in the mold carrier (200) or place the upper mold in the lower mold, and complete the mold closing.

5. The contact lens mold sorting tray apparatus of claim 1, wherein, The carrier conveying unit (400) comprises a material carrying conveying device (410) and an empty carrying conveying device (420) for unidirectionally conveying the mold carrier (200), and a first material moving mechanism (500) and a second material moving mechanism (800) for moving the mold carrier (200); The infeed end of the material carrying conveying device (410) and the empty carrying conveying device (420) is respectively provided with a first feeding mechanism (430) and a second feeding mechanism (450), and the outfeed end of the material carrying conveying device (410) and the empty carrying conveying device (420) is respectively provided with a first discharging mechanism (460) and a second discharging mechanism (470); The material carrying conveying device (410) drives the mold carrier (200) carrying the mold to move, when the mold carrier (200) moves to the second material moving mechanism (800), the mold on the mold carrier (200) is classified, and the first discharging mechanism (460) sends the mold carrier (200) into the second material moving mechanism (800); the second material moving mechanism (800) carries the mold carrier (200) empty at the outfeed end of the material carrying conveying device (410) to the infeed end of the empty carrying conveying device (420), and the second feeding mechanism (450) sends the mold carrier (200) into the empty carrying conveying device (420) for conveying; when the mold carrier (200) moves to the outfeed end of the empty carrying conveying device (420), the second discharging mechanism (470) sends the mold carrier (200) into the first material moving mechanism (500), and the first material moving mechanism (500) carries the empty mold carrier (200) to the infeed end of the material carrying conveying device (410); The matching die unit (300) matches the upper die and the lower die into the empty die carrier (200), and the die carrier (200) loaded with the matched die is sent into the material loading conveying device (410) by the first material loading mechanism (430) again to realize the rotation cycle of the die carrier (200).

6. A contact lens mold sorting tray apparatus as claimed in claim 5, wherein, The first material loading mechanism (430) comprises a first material loading push plate (431), a first material loading rack plate (433) and a first material loading drive (432); the first material loading rack plate (433) is installed on one side of the material loading conveying device (410), the first material loading drive (432) is installed on the first material loading rack plate (433), and the first material loading drive (432) drives the first material loading push plate (431) to push the die carrier (200) into the material loading conveying device (410) from the first material conveying mechanism (500); The second material unloading mechanism (470) comprises a second material unloading push plate (471), a second material unloading drive (472), a second material unloading blocking block (475), a second blocking drive (474) and a second material unloading rack plate (473); the second material unloading rack plate (473) is installed on one side of the empty conveying device (420), and the second material unloading drive (472) and the second blocking drive (474) are both installed on the second material unloading rack plate (473); the second material unloading drive (472) drives the second material unloading push plate (471) to push the empty die carrier (200) into the first material conveying mechanism (500); and the second blocking drive (474) drives the second material unloading blocking block (475) to block the die carrier (200) to be connected. The first material conveying mechanism (500) comprises a carrier support plate (510) for carrying the die carrier (200) and a material conveying drive (530) for driving the movement of the carrier support plate (510); the carrier support plate (510) is sleeved on a moving frame body (550) in the form of a sliding sleeve (540); the execution end of the material conveying drive (530) penetrates through the moving frame body (550) and is connected to the carrier support plate (510); during the conveying process, the material conveying drive (530) drives the carrier support plate (510) to drive the movement of the die carrier (200), and moves the die carrier from the outlet end of the empty conveying device (420) to the inlet end of the material loading conveying device (410).

7. A contact lens mold sorting tray apparatus as claimed in claim 5, wherein, The carrier conveying unit (400) further comprises a carrier positioning mechanism (440), which comprises a positioning assembly (441) for blocking the die carrier (200), a jacking assembly (442) for jacking the blocked die carrier (200), and a blocking assembly (443) for blocking the die carrier (200) that is not jacked; The die carrier (200) loaded with the die is conveyed to the tray placing station, the die carrier (200) to be processed is positioned and blocked by the jacking assembly (442), the die carrier (200) to be processed is jacked by the jacking assembly (442), and waits for the tray placing mechanical arm (600) to place the tray; the die carrier (200) in the material loading conveying device (410) that is not jacked is blocked by the blocking assembly (443); The positioning assembly (441) and the jacking assembly (442) are hoisted on the material carrying conveying device (410) by a first mounting plate (444); the blocking assembly (443) is hoisted on the material carrying conveying device (410) by a second mounting plate (445); The positioning assembly (441) comprises a positioning baffle (4411) and a positioning drive (4412) for driving the positioning baffle (4411) to lift; The jacking assembly (442) comprises a jacking frame plate (4421) and a jacking drive (4422) for driving the jacking frame plate (4421) to lift; The blocking assembly (443) comprises a blocking vertical plate (4432) and a blocking drive (4431) for driving the blocking vertical plate (4432) to lift; The positioning drive (4412) and the jacking drive (4422) are mounted on the first mounting plate (444), and the blocking drive (4431) is mounted on the second mounting plate (445).

8. The contact lens mold sorting tray apparatus of claim 1, wherein, The execution end of the disc arranging mechanical arm (600) is provided with a plurality of disc arranging tools (610) through a tool connecting plate (620); each independent disc arranging mechanical arm (600) drives the disc arranging tool (610) at the execution end to pick up and arrange the same type of closed mold in the mold carriers (200).

9. The contact lens mold sorting tray apparatus of claim 1, wherein, The tray conveying unit (900) is provided with a tray carrying mechanism (700) at the tray entering end and the tray exiting end; each tray carrying mechanism (700) is provided with a tray conveying trolley.

10. The contact lens mold sorting tray apparatus of claim 1, wherein, The material entering end of the matched mold closing unit (300) is further provided with an upper mold injection device (110) and a lower mold injection device (120) for respectively forming a mold to be closed; The upper mold injection device (110) is located on one side of the upper mold material guiding mechanism (320); and the lower mold injection device (120) is located on one side of the lower mold material guiding mechanism (330).

11. The contact lens mold sorting tray apparatus of claim 1, wherein, The carrier conveying unit (400) is provided with two, and the material entering ends of the two carrier conveying units (400) are arranged at the matched mold closing unit (300), and the conveying directions of the two carrier conveying units (400) are opposite; Each carrier conveying unit (400) is provided with a tray conveying unit (900) on both sides, and the tray conveying unit (900) is located within the working range of the disc arranging mechanical arm (600), and the tray conveying directions of the adjacent two tray conveying units (900) are consistent.