CN113400529A - Contact lens demoulding and taking machine and demoulding and taking method thereof - Google Patents
Contact lens demoulding and taking machine and demoulding and taking method thereof Download PDFInfo
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- CN113400529A CN113400529A CN202110746071.6A CN202110746071A CN113400529A CN 113400529 A CN113400529 A CN 113400529A CN 202110746071 A CN202110746071 A CN 202110746071A CN 113400529 A CN113400529 A CN 113400529A
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- taking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
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- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a contact lens demoulding and taking machine and a demoulding and taking method thereof, belonging to the technical field of contact lens preparation; the automatic sheet taking and conveying device comprises a supporting assembly, wherein a feeding vibration disc, a demolding mechanism, a conveying mechanism, a sheet taking mechanism, a carrying mechanism and a material taking mechanism are sequentially and adjacently arranged on the supporting assembly; one end of the demoulding mechanism is connected with the feeding vibrating disc, the other end of the demoulding mechanism is connected with the transmission mechanism, a mould to be processed enters the demoulding mechanism from the feeding vibrating disc, preliminary demoulding is completed through repeated extrusion, and then the mould enters the transmission mechanism; the conveying mechanism comprises a heating pipe and is used for heating and softening the primary demolding mold in the conveying process so as to facilitate the subsequent demolding and sheet taking operation; the carrying mechanism is arranged on the conveying mechanism, the sheet taking mechanism and the material taking mechanism and used for conveying the mold which is heated and softened on the conveying mechanism to the sheet taking mechanism to take sheets, and finally conveying the mold to the material taking mechanism for subpackaging and collecting. The invention reduces the process flow and improves the production efficiency.
Description
Technical Field
The invention belongs to the technical field of contact lens preparation, and particularly relates to a contact lens demolding and taking machine and a demolding and taking method thereof.
Background
In the current society, the electronic products are increasingly popularized, which affects the work and life of each person, and work and entertainment equipment such as computers and mobile phones become an essential part of the life of people. With the occurrence of vision problems, the population wearing the contact lenses is gradually increased, the contact lenses are more concealed compared with the traditional contact lenses, the influence on the external image is avoided, and the contact lenses are gradually accepted and favored by more and more people.
In the prior contact lens demolding and taking machine, the demolding quality, the automation degree and the processing speed are unsatisfactory, and the requirements of users on various aspects cannot be met, so in order to improve the conditions, the prior contact lens demolding and taking machine and the demolding and taking method are improved, and the problems are solved in a targeted manner.
Disclosure of Invention
The invention aims to provide a contact lens demolding and taking machine and a demolding and taking method thereof, aiming at the problems in the prior art, the contact lens demolding and taking machine and the demolding and taking method thereof are provided, the demolding and taking automation operation is realized, and the production efficiency and the product quality are improved.
In order to achieve the purpose, the specific technical scheme of the contact lens demolding and taking machine and the demolding and taking method thereof is as follows:
a contact lens demoulding and taking machine comprises a supporting component, wherein a feeding vibrating disc, a demoulding mechanism, a transmission mechanism, a taking mechanism, a carrying mechanism and a taking mechanism are sequentially and adjacently arranged on the supporting component;
one end of the demoulding mechanism is connected with the feeding vibrating disc, the other end of the demoulding mechanism is connected with the transmission mechanism, a mould to be processed enters the demoulding mechanism from the feeding vibrating disc, preliminary demoulding is completed through repeated extrusion, and then the mould enters the transmission mechanism;
the conveying mechanism comprises a heating pipe and is used for heating and softening the primary demolding mold in the conveying process so as to facilitate the subsequent demolding and sheet taking operation;
the carrying mechanism is arranged on the conveying mechanism, the sheet taking mechanism and the material taking mechanism and used for conveying the mold which is heated and softened on the conveying mechanism to the sheet taking mechanism to take sheets, and finally conveying the mold to the material taking mechanism for subpackaging and collecting.
Further, the demolding mechanism comprises a stripping fluted disc arranged on the supporting component, the stripping fluted disc comprises an inner fluted disc, an extrusion fluted disc coaxially arranged and a fluted disc motor connected with the inner fluted disc, a certain gap is reserved between the inner fluted disc and the extrusion fluted disc to form a mold slot position, and a mold to be processed is repeatedly extruded through the mold slot position to complete primary demolding;
a dust removal box is arranged right above the material removal fluted disc and connected with a dust removal fan.
Furthermore, first sawteeth are arranged on the peripheral side of the die to be processed, and second sawteeth matched with the first sawteeth are arranged on the inner fluted disc and the extrusion fluted disc;
the inner tooth disc is circular, and the extrusion fluted disc comprises a plurality of arc pieces, and a plurality of arc pieces distribute along the inner tooth disc, and each arc piece one end is arranged for being close to the inner tooth disc gradually to the other end, makes when treating the mold processing and passing through the mould trench, is extrudeed repeatedly.
Further, the conveying mechanism comprises a conveying belt connected with the demolding mechanism, a limiting device and a top mold device are arranged on two sides of the conveying belt respectively, a plurality of conveying chains are arranged on one side, away from the top mold device, of the limiting device in parallel, and heating pipes are arranged in a box body below the conveying chains;
one end of the conveying chain, which is far away from the limiting device, is provided with a positioning device, and the positioning device is connected with the carrying mechanism.
Furthermore, the sheet taking mechanism comprises an extrusion main shaft and a static extrusion plate which are arranged on the supporting component, the output end of the extrusion main shaft is provided with a movable extrusion plate, the movable extrusion plate corresponds to the static extrusion plate, and a die placing groove is arranged between the movable extrusion plate and the static extrusion plate.
Further, the material taking mechanism comprises a material receiving sliding table arranged on the supporting assembly, a top disc cylinder is arranged on the material receiving sliding table in a sliding mode, a material taking disc clamping jaw, a feeding clamping jaw and a dust removing cylinder are arranged on the periphery side of the material receiving sliding table in parallel, and a material receiving disc is clamped in the material taking disc clamping jaw or the feeding clamping jaw.
Further, the feed clamping jaw is including setting up the support on supporting component, fixed setting on the support with material collecting tray assorted cavity rectangle frame, edge department sets up the one-way triangle stopper that rotates in the rectangle frame.
Further, feeding mechanism is including setting up the vibration disk controller on supporting component, and vibration disk controller top sets up the vibration dish, sets up the feed tank on the vibration dish, and the feed tank is connected with demoulding mechanism.
Further, the carrying mechanism comprises a first carrying mechanism and a second carrying mechanism, the first carrying mechanism is arranged on the conveying mechanism and the sheet taking mechanism, and the second carrying mechanism is arranged on the sheet taking mechanism and the material taking mechanism.
The invention also provides a method for taking a contact lens taking machine, which comprises the following steps in sequence:
step S1, mold feeding
Placing the die to be processed into a vibrating disc, arranging and transporting the die to be processed through the vibrating disc, and conveying the die to be processed into a demoulding mechanism from a feeding groove;
step S2, demolding the die
A mold to be processed enters the mold groove position through the feeding mechanism, demolding operation is carried out through mutual extrusion of the inner fluted disc and the extrusion fluted disc, a dust removal box in the demolding operation process cleans material slag generated in the operation process so as to ensure normal operation of the demolding mechanism, and the mold is conveyed to a conveying belt of the conveying mechanism after processing;
step S3, heating for mold transportation
After the mold is preliminarily processed by the demolding mechanism, the mold is placed on a conveying belt of the conveying mechanism, the mold is conveyed to a limiting device through the conveying belt, the top mold device pushes the mold out of the limiting device to the conveying chain according to design requirements, the mold is heated and softened through a heating pipe below the conveying chain and then conveyed to a positioning device, and the first conveying mechanism is waited for conveying the mold to the sheet taking mechanism;
step S3, taking lens
The die is heated by the conveying mechanism and then conveyed to a die placing groove in the film taking mechanism through the conveying mechanism, the film taking mechanism drives the extrusion plate to extrude the die for multiple times according to the setting through the extrusion main shaft until the lens is separated from the die, and then the die is conveyed to the material receiving mechanism through the conveying mechanism;
step S4, taking lens
The receiving tray is placed on the receiving sliding table, the receiving tray is conveyed to the lens receiving position after dust removal operation, the mold after processing is placed into the receiving tray by the carrying mechanism, and the jacking cylinder jacks the receiving tray and cooperates with the receiving clamping jaws to clamp the receiving tray which finishes receiving the material and wait for receiving the material.
The contact lens demoulding and taking machine and the demoulding and taking method thereof have the following advantages:
1. the material receiving part adopts a material receiving disc structure, so that the work of lens split charging after demoulding is omitted;
2. the heating process and the transmission process are combined, in order to ensure the demolding quality of the mold, the transmission mechanism is provided with a plurality of heating pipes to heat and soften the mold, so that the demolding operation quality is ensured, the process flow is reduced, and the production efficiency is improved;
3. the demoulding device adopts a fluted disc mode to carry out primary demoulding, so that the time for waiting for pressing is saved, the yield is higher, the processing stability can be further improved, and the yield is improved.
Drawings
FIG. 1 is a schematic structural view of a contact lens demolding molding machine according to the present invention.
Fig. 2 is a schematic view of the internal structure of a contact lens demolding molding machine according to the present invention.
Fig. 3 is a top view of the internal structure of a contact lens demolding molding machine of the present invention.
Fig. 4 is a first schematic structural diagram of a demolding mechanism of a contact lens demolding molding machine according to the invention.
Fig. 5 is a second schematic structural view of a demolding mechanism of a contact lens demolding molding machine according to the invention.
Fig. 6 is a first schematic structural view of a conveying mechanism of a contact lens demolding and molding machine of the invention.
Fig. 7 is a second schematic structural view of a conveying mechanism of a contact lens demolding and molding machine according to the invention.
Fig. 8 is a partial enlarged view of fig. 7 at B.
FIG. 9 is a schematic structural view of a first conveying mechanism of a conveying structure part of a contact lens demolding and molding machine of the invention;
FIG. 10 is a schematic structural view of a second conveying mechanism of a conveying structure part of a contact lens demolding and molding machine of the invention;
FIG. 11 is a schematic structural view of a lens taking mechanism of a contact lens demolding and molding machine according to the invention;
fig. 12 is a partial enlarged view of fig. 11 at a.
Fig. 13 is a first structural schematic view of a lens taking mechanism of the contact lens demolding and molding machine of the invention.
Fig. 14 is a second structural schematic view of a lens taking mechanism of the contact lens demolding molding machine of the invention.
Fig. 15 is a third schematic structural view of a lens taking mechanism of the contact lens demolding molding machine of the invention.
The notation in the figure is: 1. a support assembly; 2. a main control board; 3. an alarm lamp; 4. a feeding mechanism; 401. a vibration disk controller; 402. a vibrating pan; 403. a feeding tank; 5. a demolding mechanism; 501. an inner fluted disc; 502. extruding a fluted disc; 5021. an arc-shaped block; 503. a mold slot position; 504. a dust removal fan; 505. a dust removal box; 6. a transport mechanism; 601. a conveyor chain; 602. a conveyor belt; 603. a top mold device; 604. a limiting device; 605. heating a tube; 606. a positioning device; 607. a conveyor belt motor; 7. a sheet taking mechanism; 701. a mold placing groove; 702. a static compression plate; 703. extruding the main shaft; 704. moving the extrusion plate; 8. a first carrying mechanism; 801. a first carrying slide rail; 802. a first upper and lower cylinder; 803. a first carrying suction head; 9. a material taking mechanism; 901. taking a plate clamping jaw; 9011. a first rectangular jaw; 9012. a second rectangular jaw; 9013. a clamping jaw cylinder; 902. a material receiving disc; 903. a dust removal cylinder; 904. taking a lens sliding table; 905. a top plate cylinder; 906. a material receiving clamping jaw; 9061. a support; 9062. a rectangular frame; 9063. a triangular limiting block; 9064. a fixed block; 10. a second carrying mechanism; 1001. a second carrying slide rail; 1002. a second carrying suction head; 1003. a second upper and lower cylinder; 11. a humidifying device; 12. and (5) processing the die.
Detailed Description
For better understanding of the objects, structure and functions of the present invention, a contact lens stripper and a method for stripping a contact lens will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-15, the contact lens demolding and taking machine of the present invention comprises a supporting assembly 1, wherein a feeding mechanism 4, a demolding mechanism 5, a conveying mechanism 6, a taking mechanism 7, a carrying mechanism and a taking mechanism 9 are sequentially and adjacently arranged on the supporting assembly 1;
one end of the demoulding mechanism 5 is connected with the feeding mechanism 4, the other end is connected with the transmission mechanism 6, the die 12 to be processed enters the demoulding mechanism 5 from the feeding mechanism 4, preliminary demoulding is completed through repeated extrusion, and then the die enters the transmission mechanism 6;
the conveying mechanism 6 comprises a heating pipe 605 for heating and softening the primary demolding mold in the conveying process so as to facilitate the subsequent demolding and sheet taking operation;
the carrying mechanism is arranged on the conveying mechanism 6, the sheet taking mechanism 7 and the material taking mechanism 9 and is used for conveying the mold which is heated and softened on the conveying mechanism 6 to the sheet taking mechanism 7 for sheet taking, and finally conveying the mold to the material taking mechanism 9 for subpackaging and collecting.
In this embodiment, the demolding mechanism 5 includes a material-removing fluted disc disposed on the support assembly 1, the material-removing fluted disc includes an inner fluted disc 501, an extrusion fluted disc 502 coaxially disposed on the support assembly 1, and a fluted disc motor connected to the inner fluted disc 501, and a certain gap is reserved between the inner fluted disc 501 and the extrusion fluted disc 502 to form a mold slot 503, the mold slot 503 is connected to a conveyor belt of the conveying mechanism 6, and the mold 12 to be processed is repeatedly extruded through the mold slot 503 to complete preliminary demolding;
set up dust removal case 505 directly over the material fluted disc of taking off, dust removal case 505 links to each other with dust exhausting fan 504, opens dust removal case 505 and dust exhausting fan 504 for the female mould that drops after will treating the preliminary drawing of mold 12 of processing blows out mould trench 503, clears up the material residue on demoulding mechanism 5.
In this embodiment, first saw teeth are arranged on the peripheral side of the mold 12 to be processed, second saw teeth matched with the first saw teeth are arranged on the internal gear 501 and the extrusion gear 502, and when the mold 12 to be processed passes through the first saw teeth, the joint of the female mold of the mold 12 to be processed is primarily damaged, so that the female mold can fall off later, which is not shown in the attached drawings of the specification;
the inner toothed disc 501 is circular, the extrusion toothed disc 502 is composed of a plurality of arc-shaped blocks 5021, the arc-shaped blocks 5021 are distributed along the inner toothed disc 501, and one end of each arc-shaped block 5021 to the other end of each arc-shaped block 5021 is gradually close to the inner toothed disc 501, so that the die 12 to be processed is repeatedly extruded when passing through the die slot 503.
In this embodiment, the conveying mechanism 6 includes a conveyor belt 602 connected with the demolding mechanism 5, specifically, the conveyor belt 602 is connected with a conveyor belt motor 607, the conveyor belt motor 607 drives the conveyor belt motor 607 to move, and one end of the conveyor belt is located at the outlet of the mold slot 503 to receive the mold after the preliminary demolding, a limiting device 604 and a top mold device 603 are respectively arranged at two sides of the conveyor belt 602, a plurality of conveyor chains 601 are arranged in parallel at one side of the limiting device 604 far away from the top mold device 603, a heating pipe 605 is arranged in a box body below the conveyor chains 601, and the mold 12 to be processed after the preliminary demolding is heated and softened on the heating pipe 605 so as to facilitate the subsequent demolding and sheet taking operation, where the principle is applied: the ratio of the lens to the lens is different after the mold is softened, and the lens is separated from the mold after the mold is deformed by pressurization and has small tension;
one end of the conveying chain 601, which is far away from the limiting device 604, is provided with a positioning device 606, the positioning device 606 is connected with the carrying mechanism, and one side of the conveying mechanism 6 is provided with a humidifying device 11 for humidifying the mold 12 to be processed on the heating pipe 605 so as to prevent potential safety hazards.
In this embodiment, the film taking mechanism 7 includes an extrusion main shaft 703 and a static extrusion plate 702 disposed on the supporting assembly 1, the output end of the extrusion main shaft 703 is provided with a movable extrusion plate 704, the movable extrusion plate 704 corresponds to the static extrusion plate 702, a mold placing groove 701 is disposed between the movable extrusion plate 702 and the static extrusion plate 704, specifically, the top end of the mold placing groove 701 is flush with the bottom ends of the movable extrusion plate 702 and the static extrusion plate 704, and the mold placing groove 701 is disposed under the first carrying mechanism 8, generally, 4 times of extrusion are performed, the force is increased from small to large, after the third extrusion, the lens is taken away by the first carrying mechanism 8 mentioned below, after the fourth extrusion, the mold is crushed by the fourth extrusion, and the crushed mold is collected in a box below.
In this embodiment, the material taking mechanism 9 includes the lens sliding table 904 that is arranged on the support component 1, the top tray cylinder 905 that slides on the lens sliding table 904 is arranged, the side of the lens sliding table 904 is arranged side by side to form the tray clamping jaw 901, the material receiving clamping jaw 906 and the dust removing cylinder 903, the material receiving tray 902 is clamped in the tray clamping jaw 901 or the material receiving clamping jaw 906, specifically, the tray clamping jaw 901 includes the first rectangular clamping jaw 9011 and the second rectangular clamping jaw 9012 that are symmetrically arranged, and the first/second rectangular clamping jaw 9011,9012 is connected through the clamping jaw cylinder 9013.
In this embodiment, the material receiving clamping jaw 906 includes a support 9061 arranged on the supporting component 1, a hollow rectangular frame 9062 matched with the material receiving disc 902 is fixedly arranged on the support 9061, a one-way rotating triangular limiting block 9063 is arranged at the inner edge of the rectangular frame 9062, specifically, a fixing block 9064 is arranged at the top end of the rectangular frame 9062, a triangular limiting block 9063 is rotatably arranged at the inner edge of the rectangular frame 9062, the triangular limiting block 9063 is connected with the fixing block 9064 through a return spring, and when the material receiving disc 902 moves upwards, the triangular limiting block 9063 is in contact with the triangular limiting block 9063 and is driven to rotate until the material receiving disc 902 integrally passes through the rectangular frame 9062, the triangular limiting block 9063 returns to an initial state under the tension of the return spring, and the material receiving disc 902 is supported through one side of the triangular limiting block 9063.
In the present embodiment, the feeding mechanism 4 includes a vibration disk controller 401 disposed on the support member 1, a vibration disk 402 is disposed on the top end of the vibration disk controller 401, a feeding groove 403 is disposed on the vibration disk 402, and the feeding groove 403 is connected to the demolding mechanism 5.
In the present embodiment, the conveying mechanism includes a first conveying mechanism 8 and a second conveying mechanism 10, and the first conveying mechanism 8 is disposed on the conveying mechanism 6 and the sheet taking mechanism 7, and the second conveying mechanism 10 is disposed on the sheet taking mechanism 7 and the material taking mechanism 9; specifically, the first carrying mechanism 8 includes a first carrying slide rail 801 arranged on the support assembly 1, a first up-down cylinder 802 is arranged on the first carrying slide rail 801 in a sliding manner, and a first carrying suction head 803 is arranged at an output end of the first up-down cylinder 802; the second carrying mechanism 10 includes a second carrying slide 1001 disposed on the support assembly 1, a second up-down cylinder 1003 is slidably disposed on the second carrying slide 1001, and a second carrying suction head 1002 is disposed at an output end of the second up-down cylinder 1003.
In this embodiment, the support assembly 1 is provided with a main control board 2, the main control board 2 is electrically connected with a feeding mechanism 4, a demolding mechanism 5, a conveying mechanism 6, a sheet taking mechanism 7, a first carrying mechanism 8, a material taking mechanism 9, a second carrying machine 10 and a humidifying device 11, and the operation of each station of the device can be realized through the main control board 2.
In the embodiment, the supporting component 1 is also provided with an alarm lamp 3, the alarm lamp 3 can give an alarm when the equipment is abnormal, and the equipment fault is timely processed, so that the potential safety hazard is prevented.
A method of taking a lens using a contact lens taking machine, comprising the steps of, in order:
step S1, mold feeding
Placing the die 12 to be processed into the vibrating plate 402, arranging and transporting the die 12 to be processed through the vibrating plate 402, and feeding the die 12 to be processed into the demolding mechanism 5 from the feeding groove 403;
step S2, demolding the die
A to-be-processed mold 12 enters a mold groove 503 through a feeding mechanism 4, demolding operation is performed through mutual extrusion of an inner fluted disc 501 and an extrusion fluted disc 502, a dust removal box 505 cleans material slag generated in the operation process in the demolding operation process so as to ensure normal operation of a demolding mechanism 5, and the mold is conveyed to a conveying belt 602 of a conveying mechanism 6 after processing;
step S3, heating for mold transportation
After being preliminarily processed by the demolding mechanism 5, the mold is placed on a conveyor belt 602 of the transmission mechanism 6, the mold is conveyed to a position limiting device 604 through the conveyor belt 602, a top mold device 603 pushes the mold out of the position limiting device 604 to a conveying chain 601 according to design requirements, and the mold is heated and softened through a heating pipe 605 below the conveying chain 601 and then conveyed to a positioning device 606 to wait for a first conveying mechanism 8 to convey the mold to a sheet taking mechanism 7;
step S3, taking lens
The mold is heated by the conveying mechanism 6 and then conveyed to a mold placing groove 701 in the film taking mechanism 7 through the conveying mechanism, the film taking mechanism 7 drives the extrusion plate 704 through the extrusion main shaft 703 to extrude the mold for multiple times according to the setting until the lens is separated from the mold, and then the mold is conveyed to the material taking mechanism 9 through the second conveying mechanism 10;
step S4, taking lens
The receiving tray 902 is placed on getting lens slip table 904, transports to the lens and collects the position after the dust removal operation, and the second handling mechanism 10 puts into the receiving tray 902 with the mould after processing, and the jack-up cylinder will receive the material tray 902 jack-up and will accomplish the receiving tray 902 clamp that receives the material with the cooperation of receiving clamping jaw 906 and get and wait to collect.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A contact lens demoulding and taking machine comprises a supporting component (1), and is characterized in that a feeding mechanism (4), a demoulding mechanism (5), a transmission mechanism (6), a taking mechanism (7), a carrying mechanism and a taking mechanism (9) are sequentially and adjacently arranged on the supporting component (1);
one end of the demoulding mechanism (5) is connected with the feeding mechanism (4), the other end is connected with the transmission mechanism (6), a mould (12) to be processed enters the demoulding mechanism (5) from the feeding mechanism (4), preliminary demoulding is completed through repeated extrusion, and then the mould enters the transmission mechanism (6);
the conveying mechanism (6) comprises a heating pipe (605) for heating and softening the primary demolding mold in the conveying process;
the carrying mechanism is arranged on the conveying mechanism (6), the sheet taking mechanism (7) and the material taking mechanism (9) and is used for conveying the mold which is heated and softened on the conveying mechanism (6) to the sheet taking mechanism (7) for sheet taking, and finally conveying the mold to the material taking mechanism (9) for subpackaging and collecting.
2. The contact lens demolding and taking machine as claimed in claim 1, wherein the demolding mechanism (5) comprises a material-removing fluted disc arranged on the support assembly (1), the material-removing fluted disc comprises an inner fluted disc (501), a coaxially arranged extrusion fluted disc (502) and a fluted disc motor connected with the inner fluted disc (501), a certain gap is reserved between the inner fluted disc (501) and the extrusion fluted disc (502) to form a mold slot (503), and the mold (12) to be processed is repeatedly extruded through the mold slot (503) to complete primary demolding;
a dust removal box (505) is arranged right above the material removal fluted disc, and the dust removal box (505) is connected with a dust removal fan (504).
3. A contact lens demolding and taking machine as claimed in claim 2, wherein the mold (12) to be processed is provided with first saw teeth on the periphery side, and the inner toothed disc (501) and the extruding toothed disc (502) are provided with second saw teeth matched with the first saw teeth;
the inner fluted disc (501) is circular, the extrusion fluted disc (502) is composed of a plurality of arc-shaped blocks (5021), the arc-shaped blocks (5021) are distributed along the inner fluted disc (501), one end of each arc-shaped block (5021) is gradually close to the inner fluted disc (501) to the other end, and the die (12) to be processed is repeatedly extruded when passing through the die slot position (503).
4. A contact lens demolding and taking machine according to claim 1, wherein the conveying mechanism (6) comprises a conveyor belt (602) connected with the demolding mechanism (5), and a limiting device (604) and a top mold device (603) are respectively arranged at two sides of the conveyor belt (602);
a plurality of conveying chains (601) are arranged in parallel on one side of the limiting device (604) far away from the top die device (603), and heating pipes (605) are arranged in a box body below the conveying chains (601);
one end of the conveying chain (601) far away from the limiting device (604) is provided with a positioning device (606), and the positioning device (606) is connected with the carrying mechanism.
5. A contact lens demolding and taking machine according to claim 1, wherein the taking mechanism (7) comprises an extrusion main shaft (703) and a static extrusion plate (702) which are arranged on the supporting assembly (1), a movable extrusion plate (704) is arranged at the output end of the extrusion main shaft (703), the movable extrusion plate (704) corresponds to the static extrusion plate (702), and a mold placing groove (701) is arranged between the movable extrusion plate (702) and the static extrusion plate (704).
6. The contact lens demolding and taking machine as claimed in claim 1, wherein the taking mechanism (9) comprises a lens taking sliding table (904) arranged on the supporting assembly (1), a top disc cylinder (905) is arranged on the lens taking sliding table (904) in a sliding manner, a disc taking clamping jaw (901), a material receiving clamping jaw (906) and a dust removing cylinder (903) are arranged on the periphery of the lens taking sliding table (904) in a side-by-side manner, and a material receiving disc (902) is clamped in the disc taking clamping jaw (901) or the material receiving clamping jaw (906).
7. The contact lens demolding and taking machine as claimed in claim 6, wherein the material receiving clamping jaw (906) comprises a support (9061) arranged on the supporting assembly (1), a hollow rectangular frame (9062) matched with the material receiving disc (902) is fixedly arranged on the support (9061), and a one-way rotating triangular limiting block (9063) is arranged at the inner edge of the rectangular frame (9062).
8. A contact lens stripper as defined in claim 1, wherein the feeding mechanism (4) comprises a vibration disc controller (401) disposed on the support member (1), a vibration disc (402) is disposed on the top of the vibration disc controller (401), a feeding groove (403) is disposed on the vibration disc (402), and the feeding groove (403) is connected to the stripping mechanism (5).
9. A contact lens stripper as defined in claim 1, wherein the carrying mechanism comprises a first carrying mechanism (8) and a second carrying mechanism (10), and the first carrying mechanism (8) is arranged on the conveying mechanism (6) and the taking mechanism (7), and the second carrying mechanism (10) is arranged on the taking mechanism (7) and the taking mechanism (9).
10. A method of taking a contact lens using a contact lens taking machine according to any one of claims 1 to 9, comprising the steps, in sequence:
step S1, mold feeding
Placing the die (12) to be processed into a vibrating disc (402), arranging and transporting the die (12) to be processed through the vibrating disc (402), and feeding the die (12) to be processed into a demolding mechanism (5) from a feeding groove (403);
step S2, demolding the die
A to-be-processed mold (12) enters a mold groove position (503) through a feeding mechanism (4), demolding operation is carried out through mutual extrusion of an inner fluted disc (501) and an extrusion fluted disc (502), a dust removal box (505) cleans material slag generated in the operation process in the demolding operation process so as to ensure the normal operation of a demolding mechanism (5), and the mold is conveyed to a conveyor belt (602) of a conveying mechanism (6) after the processing is finished;
step S3, heating for mold transportation
After being preliminarily processed by the demolding mechanism (5), the mold is placed on a conveyor belt (602) of a transmission mechanism (6), the mold is conveyed to a position of a limiting device (604) through the conveyor belt (602), a top mold device (603) ejects the mold out of the limiting device (604) to a conveying chain (601) according to design requirements, the mold is heated and softened through a heating pipe (605) below the conveying chain (601), then the mold is conveyed to a positioning device (606), and a first conveying mechanism (8) is waited for conveying the mold to a sheet taking mechanism (7);
step S3, taking lens
The mold is heated by the conveying mechanism (6) and then conveyed to a mold placing groove (701) in the film taking mechanism (7) through the conveying mechanism, the film taking mechanism (7) drives the extrusion plate (704) to extrude the mold for multiple times according to setting through the extrusion main shaft (703) until the lens is separated from the mold, and then the mold is conveyed to the position of the material taking mechanism (9) through the second conveying mechanism (10);
step S4, taking lens
The receiving tray (902) is placed on the lens taking sliding table (904), and is conveyed to the lens receiving position after dust removal operation, the second carrying mechanism (10) puts the processed die into the receiving tray (902), and the jacking cylinder jacks up the receiving tray (902) and cooperates with the receiving clamping jaws (906) to clamp the receiving tray (902) which finishes receiving materials and waits for receiving.
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| CN215242255U (en) * | 2021-07-01 | 2021-12-21 | 美瞳科技(广州)有限公司 | Contact lens demoulding and lens taking machine |
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| JPH0899370A (en) * | 1994-06-10 | 1996-04-16 | Johnson & Johnson Vision Prod Inc | Method and device for removing ocular contact lens from mold |
| JPH10109316A (en) * | 1996-10-08 | 1998-04-28 | Hoya Corp | Mold for producing contact lens and production of contact lens |
| KR20100010221A (en) * | 2008-07-22 | 2010-02-01 | 김쌍호 | A contact-lens mold separate device |
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| CN110696396A (en) * | 2019-08-26 | 2020-01-17 | 苏州茂特斯自动化设备有限公司 | Contact lens drawing of patterns integration production facility |
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| CN113400529B (en) | 2023-07-21 |
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