CN115742168B - Mold for contact lens and molding process thereof - Google Patents
Mold for contact lens and molding process thereof Download PDFInfo
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- CN115742168B CN115742168B CN202211652964.5A CN202211652964A CN115742168B CN 115742168 B CN115742168 B CN 115742168B CN 202211652964 A CN202211652964 A CN 202211652964A CN 115742168 B CN115742168 B CN 115742168B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The application relates to the technical field of dies of contact lenses, and discloses a die for a contact lens. According to the application, the contact lens forming device is arranged in the injection molding machine, so that the die plate can be prevented from being arranged by using the fastening screw, the die for producing the contact lens resin die can be conveniently and rapidly arranged and disassembled, and the influence on the production efficiency of the contact lens resin die is avoided.
Description
Technical Field
The application relates to the technical field of dies of contact lenses, in particular to a die for a contact lens and a forming process thereof.
Background
Contact lenses, also called corneal contact lenses, are lenses that are worn on the cornea of an eyeball to correct vision or protect the eye, and include rigid, semi-rigid, and soft depending on the hardness of the material. The contact lens not only brings great improvement to patients with ametropia such as myopia, hyperopia, astigmatism and the like from the aspects of appearance and convenience, but also has wide visual field and vivid vision, and in addition, the contact lens also plays a special role in controlling the development of teenagers' myopia and astigmatism, treating special eye diseases and the like;
the method comprises the steps of carrying out production processing on a contact lens by using a resin mold, so that the silicone hydrogel is injected into the resin mold to be cured and molded, carrying out batch processing by using an injection molding machine when the resin mold of the contact lens is produced, and carrying out curing processing on the resin by using the mold when the resin mold of the contact lens is molded, so that the resin mold is used for molding raw materials of the contact lens.
However, the conventional contact lens resin mold still has the following problems when molded by an injection molding machine: the mold for producing the contact lens resin mold in the injection molding machine is troublesome to install and detach, so that a large number of fastening screws are required to fix the mold for producing the contact lens resin mold, the mold for producing the contact lens resin mold is inconvenient to install and detach rapidly, the production efficiency of the contact lens resin mold is affected, and therefore, the mold for the contact lens and the molding process thereof are required to be provided urgently, so that the problems in the background art are solved.
Disclosure of Invention
The present application is directed to a mold for contact lenses and a molding process thereof, which solve the problems set forth in the background art.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a mould for contact lens, includes injection molding machine and contact lens forming device, contact lens forming device fixed mounting is at the inside center of injection molding machine, the inside of injection molding machine includes driver, first spliced eye, locating plate and joint hole, locating plate fixed mounting is at the inside side center of driver, the surface at the locating plate is evenly seted up to the joint hole, the top face at the locating plate is evenly seted up to first spliced eye, contact lens forming device's inside includes positioner, template and automatic butt joint installation device, automatic butt joint installation device fixed connection is at positioner's front end right side edge, template slidable mounting is at automatic butt joint installation device's surface.
Preferably, the inside of positioner includes location inserted bar, cup joints groove, fastening screw, connecting plate, plunger cylinder, limiting plate and first spacing post, the even threaded connection of fastening screw is at the preceding terminal surface both sides edge of connecting plate, cup joint the groove and set up at the preceding terminal surface center of connecting plate, plunger cylinder symmetry fixed mounting is inside the top surface both sides of connecting plate, first spacing post symmetry welding is at the top surface of connecting plate, the limiting plate slides and cup joints the surface at first spacing post, location inserted bar evenly welds at the bottom surface one side edge of first spacing post.
Preferably, contact lens molding die holes are uniformly formed in the front end face of the template, clamping columns are uniformly welded on the rear end face of the template, connecting holes are formed in the outer surfaces of the clamping columns, and first sleeving holes are formed in the upper edges and the lower edges of the end faces of the two sides of the template.
Preferably, the inside of automatic butt joint installation device includes link, spacing frame, screw thread post, spacing guide pillar, driving motor, spacing loop bar, spacing inserted bar, extrusion frame, spacing sliding frame, reset spring, handle, second cup joint hole, spliced pole, spacing draw-in groove, tight spring that rises, spacing fixture block and second spacing post, driving motor fixed connection is at the rear end surface of spacing frame, screw thread post fixed connection is at the front end central surface of screw thread post, spacing guide pillar welding is at the surface of spacing frame, link threaded connection is at the surface of screw thread post, the equal welding of upper and lower both ends surface of spacing loop bar has spacing loop bar, the side edge of link evenly welds the spliced pole, the one end slip grafting of spacing inserted bar is at the terminal surface center of spacing loop bar, spacing sliding frame welding is at the one end surface of spacing inserted bar, extrusion frame joint is inside the side of spacing sliding frame, reset spring evenly cup joints the side inside of spacing sliding frame, the welding is at the outer surface center of extrusion frame, the second joint hole is seted up at the inside the second at the inside of spacing slot of spacing sliding frame, the second joint hole is seted up at the inside of spacing slot of spacing sliding frame.
Preferably, the connecting plate is sleeved on the outer surface of the positioning plate through a sleeve joint groove, the connecting plate is fixedly connected with the inside of the driver through a fastening screw and is positioned at the edge of the positioning plate, and the top end of the plunger type air cylinder is fixedly connected with two sides of the bottom surface of the limiting plate.
Preferably, the limiting plate is in sliding connection with the inside of the first plug hole through the positioning plug rod, the first plug hole is in through connection with the inside of the clamping hole, the template is in clamping connection with the inside of the clamping hole through the clamping column, and the positioning plug rod is in sliding connection with the connecting hole on the outer surface of the clamping column in the inside of the first plug hole.
Preferably, the template is in sliding sleeve connection with the outer surface of the plug-in column through the first sleeve connection hole, and one end of the reset spring is in abutting connection with the outer surface of the extrusion frame in the limiting sliding frame.
Preferably, the extrusion frame is in sliding sleeve connection with the outer surface of one end of the plug-in column through the second sleeve connection hole, and the upper end and the lower end of the connecting frame are in sliding sleeve connection with the outer surface of the limit guide column.
Preferably, a supporting bracket is welded at the bottom edge of the front end face of the connecting plate.
The specific steps of the molding process of the mold for contact lenses are as follows:
s1, when the template is installed, the template is sleeved on the outer surface of the plug-in post through a first sleeve joint hole, then the driving motor is controlled to start to operate, so that the connecting frame is driven to transversely slide through the threaded post until the connecting frame drives the template to be clamped with the side face of the positioning plate through the plug-in post, and then the plunger type cylinder is started to drive the positioning plug rod to descend through the limiting plate to plug in with the connecting hole on the side face of the template, so that the template is automatically installed;
s2, starting an injection molding machine to drive a movable mold to slide and clamp the side face of the template, and then injecting raw materials of the contact lens between the template and the movable mold, so that the raw materials enter the inside of a contact lens molding die hole, and solidifying the raw materials inside the contact lens molding die hole;
s3, after the contact lens is solidified and formed, starting the injection molding machine to drive the movable mold to separate from the side face of the template, and then taking down the contact lens in the contact lens forming mold hole.
Compared with the prior art, the application has the following beneficial effects:
1. according to the application, the positioning inserted rod is arranged at the top of the plunger type cylinder, so that the template on the side face of the positioning plate can be conveniently and quickly locked, the automatic butt joint mounting device is arranged on the outer surface of the connecting plate, the template can be conveniently and automatically aligned to be mounted, and the template is prevented from being fixedly mounted by using the fastening screw, so that the mounting efficiency of the template is improved, the labor intensity of workers is reduced, and the production efficiency of the contact lens mould is prevented from being influenced.
2. According to the application, the contact lens forming device is arranged in the injection molding machine, so that the die plate can be prevented from being arranged by using the fastening screw, the die for producing the contact lens resin die can be conveniently and rapidly arranged and disassembled, and the influence on the production efficiency of the contact lens resin die is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a front perspective view of a main body according to the present application;
FIG. 2 is a schematic view of a perspective view of the front of the injection molding machine according to the present application;
FIG. 3 is a schematic view of a side view structure of an injection molding machine according to the present application;
FIG. 4 is a schematic view of a left side view of a contact lens forming apparatus according to the present application;
FIG. 5 is a schematic view of a right side view of a contact lens forming apparatus according to the present application;
FIG. 6 is a schematic view of a front perspective view of a positioning device according to the present application;
FIG. 7 is a schematic view of a side view of a template according to the present application;
FIG. 8 is a schematic view of a front perspective view of an automatic docking and mounting apparatus according to the present application;
FIG. 9 is a partially enlarged perspective view of the present application at A;
fig. 10 is a front perspective view of a positioning device according to a second embodiment of the application.
In the figure: the device comprises a 1-injection molding machine, a 2-contact lens forming device, a 3-driver, a 4-first inserting hole, a 5-locating plate, a 6-clamping hole, a 7-locating device, an 8-template, a 9-automatic butt joint installation device, a 10-locating inserting rod, a 11-sleeve groove, a 12-fastening screw, a 13-connecting plate, a 14-plunger type cylinder, a 15-locating plate, a 16-first locating column, a 17-contact lens forming die hole, a 18-connecting hole, a 19-clamping column, a 20-first sleeve hole, a 21-connecting frame, a 22-locating frame, a 23-threaded column, a 24-locating guide column, a 25-driving motor, a 26-locating sleeve rod, a 27-locating inserting rod, a 28-extruding frame, a 29-locating slide frame, a 30-reset spring, a 31-handle, a 32-second sleeve hole, a 33-inserting column, a 34-locating clamping groove, a 35-expanding spring, a 36-locating clamping block, a 37-second locating column and a 38-supporting bracket.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The application is further described below with reference to the accompanying drawings.
Example 1
Referring to fig. 1-5, an embodiment of the present application is provided: the utility model provides a mould for contact lens, including injection molding machine 1 and contact lens forming device 2, contact lens forming device 2 fixed mounting is at the inside center of injection molding machine 1, the inside of injection molding machine 1 includes driver 3, first spliced eye 4, locating plate 5 and joint hole 6, locating plate 5 fixed mounting is at the inside side center of driver 3, the surface at locating plate 5 is evenly seted up to joint hole 6, the top face at locating plate 5 is evenly seted up to first spliced eye 4, contact lens forming device 2's inside includes positioner 7, template 8 and automatic butt joint installation device 9, automatic butt joint installation device 9 fixed connection is at the front end right side edge of positioner 7, template 8 slidable mounting is at the surface of automatic butt joint installation device 9.
Referring to fig. 6, the positioning device 7 includes a positioning insert rod 10, a sleeve connection groove 11, fastening screws 12, a connection plate 13, a plunger cylinder 14, a limiting plate 15 and a first limiting post 16, wherein the fastening screws 12 are uniformly connected with two side edges of the front end surface of the connection plate 13 in a threaded manner, the sleeve connection groove 11 is formed in the center of the front end surface of the connection plate 13, the plunger cylinder 14 is symmetrically and fixedly mounted inside two sides of the top surface of the connection plate 13, the first limiting post 16 is symmetrically welded on the top surface of the connection plate 13, the limiting plate 15 is slidably sleeved on the outer surface of the first limiting post 16, and the positioning insert rod 10 is uniformly welded on one side edge of the bottom surface of the first limiting post 16.
Referring to fig. 7, the front end surface of the template 8 is uniformly provided with contact lens molding holes 17, the rear end surface of the template 8 is uniformly welded with clamping columns 19, the outer surface of the clamping columns 19 is provided with connecting holes 18, and the upper and lower edges of the two side end surfaces of the template 8 are provided with first sleeve connecting holes 20.
Referring to fig. 8-9, the automatic butt-joint mounting device 9 comprises a connecting frame 21, a limit frame 22, a threaded column 23, a limit guide column 24, a driving motor 25, a limit sleeve rod 26, a limit inserting rod 27, an extrusion frame 28, a limit sliding frame 29, a reset spring 30, a handle 31, a second sleeve hole 32, an inserting column 33, a limit clamping groove 34, a tension spring 35, a limit clamping block 36 and a second limit column 37, wherein the driving motor 25 is fixedly connected to the outer surface of the rear end of the limit frame 22, the threaded column 23 is fixedly connected to the central outer surface of the front end of the threaded column 23, the limit guide column 24 is welded to the outer surface of the limit frame 22, the connecting frame 21 is in threaded connection with the outer surface of the threaded column 23, the upper and lower outer surfaces of the limit sleeve rod 26 are welded with the limit sleeve rod 26, the side edge of link 21 evenly welds grafting post 33, the one end of spacing inserted bar 27 is slided and is pegged graft in the terminal surface center of spacing loop bar 26, spacing sliding frame 29 welds the one end surface at spacing inserted bar 27, the side inside of extrusion frame 28 joint at spacing sliding frame 29, reset spring 30 evenly cup joints the side inside of spacing sliding frame 29, the outer surface center at extrusion frame 28 is welded to handle 31, the second cup joints hole 32 and is offered at the upper and lower both ends surface of extrusion frame 28, spacing draw-in groove 34 is offered at the one end surface of grafting post 33, second spacing post 37 symmetry fixed connection is at the inside center of spacing draw-in groove 34, tensioning spring 35 cup joints the surface at second spacing post 37, spacing fixture block 36 slip joint is in the inside of spacing draw-in groove 34.
The connecting plate 13 cup joints the surface at locating plate 5 through cup jointing groove 11, and connecting plate 13 passes through the inside of fastening screw 12 and driver 3 and is located the marginal fastening connection of locating plate 5 to guarantee the inside stability of contact lens forming device 2 installation at injection molding machine 1, the top of plunger cylinder 14 and the bottom surface both sides fixed connection of limiting plate 15, thereby be convenient for control the lift of location inserted bar 10 through limiting plate 15.
Limiting plate 15 is through the inside slip grafting of location inserted bar 10 with first spliced eye 4, the inside through connection of first spliced eye 4 and joint hole 6, thereby be convenient for location inserted bar 10 and connecting hole 18 grafting, template 8 passes through joint post 19 and the inside joint of joint hole 6, thereby guarantee template 8 and locating plate 5, stable alignment is connected, avoid appearing the staggered joint phenomenon, influence the quality to contact lens mould production, location inserted bar 10 slides the grafting at the inside of first spliced eye 4 with the connecting hole 18 of joint post 19 surface, thereby can lock template 8 at the surface of locating plate 5 fast, and can accomplish the quick installation of template 8 fast.
The template 8 is in sliding sleeve connection with the outer surface of the plug-in column 33 through the first sleeve connection hole 20, so that the template 8 is conveniently mounted on the outer surface of the plug-in column 33, meanwhile, the automatic butt-joint mounting device 9 is convenient for automatically mounting the template 8, one end of the reset spring 30 is in abutting connection with the outer surface of the extrusion frame 28 in the limiting sliding frame 29, and accordingly the second sleeve connection holes 32 at two ends of the extrusion frame 28 are always aligned with the end parts of the plug-in column 33.
The extrusion frame 28 is slidably sleeved on the outer surface of one end of the plug-in column 33 through the second sleeve-connection hole 32, so that the limiting clamping blocks 36 can be conveniently extruded, the templates 8 can be conveniently and rapidly removed from the outer surface of the plug-in column 33, the upper ends and the lower ends of the connecting frames 21 are slidably sleeved on the outer surface of the limiting guide posts 24, the limiting effect on the sliding of the connecting frames 21 can be achieved, the stable transverse sliding of the connecting frames 21 is ensured, and meanwhile, the stable transportation of the templates 8 is ensured.
The specific steps of the molding process of the mold for contact lenses are as follows:
s1, when the template 8 is installed, the template 8 is sleeved on the outer surface of the plug-in column 33 through the first sleeve-in hole 20, then the driving motor 25 is controlled to start to operate, so that the connecting frame 21 is driven to transversely slide through the threaded column 23 until the connecting frame 21 drives the template 8 to be clamped with the side surface of the positioning plate 5 through the plug-in column 33, and then the plunger type cylinder 14 is started to drive the positioning plug-in rod 10 to descend through the limiting plate 15 to be plugged with the connecting hole 18 on the side surface of the template 8, so that the template 8 is automatically installed;
s2, starting the injection molding machine 1 to drive the movable mold to slide and clamp the side face of the template 8, and then injecting the raw material of the contact lens between the template 8 and the movable mold, so that the raw material enters the inside of the contact lens forming mold hole 17, and solidifying the raw material inside the contact lens forming mold hole 17;
s3, after the contact lens is solidified and molded, starting the injection molding machine 1 to drive the movable mold to separate from the side surface of the template 8, and then taking down the contact lens in the contact lens molding die hole 17.
Working principle of example 1: when the contact lens mold is molded and produced, the template 8 is required to be firstly arranged in the injection molding machine 1, when the template 8 is arranged, the side end of the template 8 is firstly sleeved on the outer surface of the plug-in post 33 in a sliding way through the first sleeve-joint hole 20, when the first sleeve-joint hole 20 is sleeved on the outer surface of one end of the plug-in post 33, the limiting clamping block 36 is extruded to descend in the limiting clamping groove 34, the tensioning spring 35 is extruded to shrink until the other end of the first sleeve-joint hole 20 is separated from the outer surface of the limiting clamping block 36, the limiting clamping block 36 is lifted and reset under the elastic force of the tensioning spring 35, one end of the limiting clamping block 36 is clamped with the side end surface of the template 8, the template 8 is limited on the outer surface of the plug-in post 33, then the driving motor 25 is controlled to start to operate, the driving motor 25 drives the connecting frame 21 to transversely slide through the threaded post 23, when the connecting frame 21 transversely slides, the template 8 is driven to synchronously move until the connecting frame 21 drives the template 8 to be clamped with the side surface of the positioning plate 5 through the inserting posts 33, then the plunger cylinder 14 is started to drive the positioning inserting rod 10 to synchronously descend through the limiting plate 15 to be inserted into the first inserting hole 4, the connecting hole 18 on the outer surface of the side surface clamping post 19 of the template 8 is inserted into the connecting hole along with the descending of the positioning inserting rod 10, so that the template 8 is positioned on the outer surface of the positioning plate 5, meanwhile, the automatic installation of the template 8 is finished, then the injection molding machine 1 is started to drive the inner movable mold to slide to be clamped with the side surface of the template 8, then the raw material of the contact lens is injected between the template 8 and the movable mold, so that the raw material enters the inside of the contact lens forming die hole 17, the raw material inside the contact lens forming die hole 17 is solidified, after the contact lens is solidified and formed, starting the injection molding machine 1 to drive the movable mold to separate from the side surface of the template 8, and then taking down the contact lens in the contact lens forming mold hole 17, wherein when the template 8 needs to be replaced, firstly starting the plunger cylinder 14 to drive the positioning plunger rod 10 to synchronously lift through the limiting plate 15, separating the positioning plunger rod 10 from the inside of the connecting hole 18, then starting the driving motor 25 to drive the threaded column 23 to reversely rotate, simultaneously, the connecting frame 21 drives the template 8 to separate from the side surface of the positioning plate 5 through the inserting column 33 on the outer surface of the threaded column 23 until the clamping column 19 is completely separated from the clamping hole 6 on the side surface of the positioning plate 5, then holding the handle 31 and pushing, so that the extruding frame 28 drives the limiting plunger rod 27 to slide in the limiting sleeve rod 26, and meanwhile, the second sleeve holes 32 at two ends of the extruding frame 28 are sleeved on the outer surface of one end of the inserting column 33, when the second sleeve-connecting hole 32 is sleeved on the outer surface of the plug-in post 33, the limiting clamping block 36 is extruded to retract into the limiting clamping groove 34, then the template 8 is pulled to transversely slide on the outer surface of the plug-in post 33, when the second sleeve-connecting hole 32 is separated from the outer surface of the plug-in post 33, the extrusion frame 28 is pushed to slide on the side surface of the limiting sliding frame 29, so that the two ends of the extrusion frame 28 are far away from the end part of the plug-in post 33, the template 8 is prevented from being blocked from being separated from the outer surface of the plug-in post 33 until the template 8 is completely separated from the outer surface of the plug-in post 33, then a new template 8 is installed on the outer surface of the plug-in post 33 according to the installation method, thereby completing the rapid installation and the disassembly work of the template 8, by installing the contact lens forming device 2 in the injection molding machine 1, the template 8 can be prevented from being installed by using fastening screws, thereby be convenient for carry out quick installation to the mould of contact lens resin mould production usefulness and dismantle, avoid influencing contact lens resin mould production efficiency.
Example 2
On the basis of embodiment 1, as shown in fig. 10, a support bracket 38 is welded to the bottom edge of the front end surface of the connection plate 13.
In the implementation of the present embodiment, by providing the support bracket 38 on the outer surface of the bottom of the connection plate 13, the bottom of the template 8 can be further supported, so that the stability of the template 8 in use is ensured.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A mould for contact lenses, comprising an injection moulding machine (1) and a contact lens forming device (2), the contact lens forming device (2) being fixedly mounted in the centre of the interior of the injection moulding machine (1), characterized in that: the inside of injection molding machine (1) includes driver (3), first spliced eye (4), locating plate (5) and joint hole (6), locating plate (5) fixed mounting is at the inside side end center of driver (3), joint hole (6) evenly offer the surface at locating plate (5), first spliced eye (4) evenly offer the top face at locating plate (5), the inside of contact lens forming device (2) includes positioner (7), template (8) and automatic butt joint installation device (9), automatic butt joint installation device (9) fixed connection is at the front end right side edge of positioner (7), template (8) slidable mounting is at the surface of automatic butt joint installation device (9);
the positioning device is characterized in that the positioning device (7) comprises a positioning inserted rod (10), a sleeving groove (11), fastening screws (12), a connecting plate (13), plunger type air cylinders (14), limiting plates (15) and first limiting columns (16), wherein the fastening screws (12) are uniformly connected with the edges of the two sides of the front end face of the connecting plate (13) in a threaded mode, the sleeving groove (11) is formed in the center of the front end face of the connecting plate (13), the plunger type air cylinders (14) are symmetrically and fixedly arranged in the two sides of the top face of the connecting plate (13), the first limiting columns (16) are symmetrically welded on the top face of the connecting plate (13), the limiting plates (15) are slidably sleeved on the outer surfaces of the first limiting columns (16), and the positioning inserted rod (10) is uniformly welded on the edges of one side of the bottom face of the first limiting columns (16);
the front end face of the template (8) is uniformly provided with contact lens forming die holes (17), the rear end face of the template (8) is uniformly welded with clamping columns (19), the outer surface of each clamping column (19) is provided with a connecting hole (18), and the upper edge and the lower edge of the end faces of the two sides of the template (8) are respectively provided with a first sleeving hole (20);
the automatic butt joint mounting device (9) comprises a connecting frame (21), a limiting frame (22), a threaded column (23), a limiting guide column (24), a driving motor (25), a limiting sleeve rod (26), a limiting inserting rod (27), an extrusion frame (28), a limiting sliding frame (29), a reset spring (30), a grip (31), a second sleeve joint hole (32), a plug-in column (33), a limiting clamping groove (34), a tensioning spring (35), a limiting clamping block (36) and a second limiting column (37), wherein the driving motor (25) is fixedly connected to the outer surface of the rear end of the limiting frame (22), the threaded column (23) is fixedly connected to the central outer surface of the front end of the threaded column (23), the limiting guide column (24) is welded to the outer surface of the limiting frame (22), the connecting frame (21) is in threaded connection with the outer surface of the threaded column (23), the upper end and the lower end outer surfaces of the limiting sleeve rod (26) are respectively welded with the limiting sleeve rod (26), the edge of the side end of the connecting frame (21) is uniformly welded with the plug-in column (33), one end of the limiting sliding rod (27) is welded to the outer surface of the limiting sleeve rod (29), the extrusion frame (28) is clamped inside the side face of the limiting sliding frame (29), the reset spring (30) is uniformly sleeved inside the side face of the limiting sliding frame (29), the handle (31) is welded at the center of the outer surface of the extrusion frame (28), the second sleeve joint holes (32) are formed in the outer surfaces of the upper end and the lower end of the extrusion frame (28), the limiting clamping grooves (34) are formed in the outer surfaces of one ends of the inserting columns (33), the second limiting columns (37) are symmetrically and fixedly connected to the inner center of the limiting clamping grooves (34), the tensioning springs (35) are sleeved on the outer surfaces of the second limiting columns (37), and the limiting clamping blocks (36) are in sliding clamping connection with the inner parts of the limiting clamping grooves (34);
the die plate (8) is in sliding sleeve joint with the outer surface of the plug-in column (33) through the first sleeve joint hole (20), and one end of the return spring (30) is in abutting connection with the outer surface of the extrusion frame (28) in the limiting sliding frame (29);
the extrusion frame (28) is sleeved on the outer surface of one end of the plug-in column (33) in a sliding manner through the second sleeve-in hole (32), and the upper end and the lower end of the connecting frame (21) are sleeved on the outer surface of the limit guide column (24) in a sliding manner.
2. A mold for contact lenses according to claim 1, wherein: the connecting plate (13) is sleeved on the outer surface of the locating plate (5) through the sleeve groove (11), the connecting plate (13) is fixedly connected with the inside of the driver (3) through the fastening screw (12) and the edge of the locating plate (5), and the top end of the plunger cylinder (14) is fixedly connected with two sides of the bottom surface of the limiting plate (15).
3. A mold for contact lenses according to claim 2, wherein: limiting plate (15) are through the inside slip grafting of location inserted bar (10) with first spliced eye (4), the inside through connection of first spliced eye (4) and joint hole (6), template (8) are through joint post (19) and the inside joint of joint hole (6), location inserted bar (10) are inside in first spliced eye (4) and connecting hole (18) of joint post (19) surface slip grafting.
4. A mold for contact lenses according to claim 3, wherein: the bottom edge of the front end face of the connecting plate (13) is welded with a supporting bracket (38).
5. A molding process for contact lenses using a mold for contact lenses according to any one of claims 1 to 4, characterized in that it comprises the steps of:
s1, when the template (8) is installed, the template (8) is sleeved on the outer surface of the plug-in column (33) through a first sleeve-in hole (20), then the driving motor (25) is controlled to start to operate, so that the connecting frame (21) is driven to transversely slide through the threaded column (23), the connecting frame (21) drives the template (8) to be clamped with the side surface of the positioning plate (5) through the plug-in column (33), and then the plunger type air cylinder (14) is started to drive the positioning plug-in rod (10) to descend to be plugged with the connecting hole (18) on the side surface of the template (8) through the limiting plate (15), so that the template (8) is automatically installed;
s2, starting an injection molding machine (1) to drive a movable mold to slide and clamp the side face of a template (8), and then injecting raw materials of the contact lens between the template (8) and the movable mold, so that the raw materials enter the inside of a contact lens forming die hole (17), and solidifying the raw materials in the contact lens forming die hole (17);
s3, after the contact lens is solidified and molded, starting the injection molding machine (1) to drive the movable mold to separate from the side surface of the template (8), and taking down the contact lens in the contact lens molding mold hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211652964.5A CN115742168B (en) | 2022-12-21 | 2022-12-21 | Mold for contact lens and molding process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211652964.5A CN115742168B (en) | 2022-12-21 | 2022-12-21 | Mold for contact lens and molding process thereof |
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| CN115742168A CN115742168A (en) | 2023-03-07 |
| CN115742168B true CN115742168B (en) | 2023-09-26 |
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| KR100572063B1 (en) * | 2004-11-24 | 2006-04-17 | 김영규 | A contact-lens mold separate device |
| TWM467554U (en) * | 2013-04-30 | 2013-12-11 | View Technology Co Ltd O | Mold splitting device for contact lens |
| KR20140032092A (en) * | 2012-09-05 | 2014-03-14 | 주식회사 코렌 | Injection molding apparatus |
| CN210211119U (en) * | 2019-07-04 | 2020-03-31 | 襄阳聚山汽车部件有限公司 | Injection molding machine with double-cylinder mold opening structure |
| CN210336687U (en) * | 2019-06-28 | 2020-04-17 | 荆州市泰克体育用品有限公司 | Plastic injection molding machine for producing helmet |
| CN212888692U (en) * | 2020-07-08 | 2021-04-06 | 福建新永发塑胶模具有限公司 | Mold for plastic lens injection molding |
| CN213972270U (en) * | 2020-07-31 | 2021-08-17 | 广东革云士机车配件有限公司 | High-efficient injection mold convenient to drawing of patterns |
| CN215550662U (en) * | 2021-09-02 | 2022-01-18 | 瑞安市创伟眼镜有限公司 | Novel glasses lens production facility |
| CN216506377U (en) * | 2021-10-14 | 2022-05-13 | 浙江天沐塑业有限公司 | Injection molding machine capable of being quickly cut and having automatic collecting and discharging functions |
| CN217802987U (en) * | 2022-05-13 | 2022-11-15 | 漳州市澳捷光学科技有限公司 | Quick forming die for different-color and same-body glasses with frame lenses |
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2022
- 2022-12-21 CN CN202211652964.5A patent/CN115742168B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100572063B1 (en) * | 2004-11-24 | 2006-04-17 | 김영규 | A contact-lens mold separate device |
| KR20140032092A (en) * | 2012-09-05 | 2014-03-14 | 주식회사 코렌 | Injection molding apparatus |
| TWM467554U (en) * | 2013-04-30 | 2013-12-11 | View Technology Co Ltd O | Mold splitting device for contact lens |
| CN210336687U (en) * | 2019-06-28 | 2020-04-17 | 荆州市泰克体育用品有限公司 | Plastic injection molding machine for producing helmet |
| CN210211119U (en) * | 2019-07-04 | 2020-03-31 | 襄阳聚山汽车部件有限公司 | Injection molding machine with double-cylinder mold opening structure |
| CN212888692U (en) * | 2020-07-08 | 2021-04-06 | 福建新永发塑胶模具有限公司 | Mold for plastic lens injection molding |
| CN213972270U (en) * | 2020-07-31 | 2021-08-17 | 广东革云士机车配件有限公司 | High-efficient injection mold convenient to drawing of patterns |
| CN215550662U (en) * | 2021-09-02 | 2022-01-18 | 瑞安市创伟眼镜有限公司 | Novel glasses lens production facility |
| CN216506377U (en) * | 2021-10-14 | 2022-05-13 | 浙江天沐塑业有限公司 | Injection molding machine capable of being quickly cut and having automatic collecting and discharging functions |
| CN217802987U (en) * | 2022-05-13 | 2022-11-15 | 漳州市澳捷光学科技有限公司 | Quick forming die for different-color and same-body glasses with frame lenses |
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| Publication number | Publication date |
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| CN115742168A (en) | 2023-03-07 |
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