KR101070858B1 - A Lens Mold Separate device For Contact Lens Automation System - Google Patents

Abstract

According to the present invention, the contact lenses and lens molds are automatically separated, and then the contact lenses and the lens molds are picked up and transported, respectively. Lens mold supply means for supplying molds to the contact lens cutting means one by one; Contact lens cutting means for processing a contact lens attached to the supplied lens mold; Outer surface polishing means for removing uneven portions by machining the cut surface portion of the cut contact lens with a polishing machine; And a lens mold separating means for separating the externally polished contact lens from the lens mold, wherein the lens mold separating means comprises: a housing having a driving unit and a control unit therein; A mold separation device rotatably installed on the housing, and a plurality of heating means for heating the lens mold by the heating of the heating member provided on the inner side thereof; A crimping part which is fixedly spaced apart from the mold separation device at a predetermined distance and compresses the lens mold which is bound to the heating means; A lens carrier installed on the housing and collecting the lens separated from the lens mold through the pressing unit on one side; A mold discharge path installed at an inclined side to the frame provided at one side of the mold separation device; A first pickup device installed on the frame provided with the mold discharge path so as to move left and right reciprocally along the guide rail and picking up the lens separated from the lens mold and transferring the lens to the lens carrier; Contact lens semi-molded manufacturing method comprising a; a second pickup device for picking up the lens mold separated from the lens and installed to reciprocate from side to side along the guide rail at one side of the first pickup device to transfer to the mold discharge; Provided is a lens mold separation device for an automated system.

Description

Contact lens semi-molded manufacturing automation system {A Lens Mold Separate device For Contact Lens Automation System}

The present invention relates to a lens mold separation apparatus of a contact lens semi-molded manufacturing automation system, and more particularly, a structure in which a lens mold and a lens are picked up and transported after an automatic separation of a lens bound to a lens mold. The present invention relates to a lens mold separation device of a contact lens semi-molded manufacturing automation system configured to supply contact lenses so that they can be easily and easily processed, and to increase productivity by quickly separating them.

Unlike well known eyeglasses, contact lenses are inserted and worn in direct contact with the corneal surface of the eye, which acts to correct vision by refracting light in contact with the corneal surface, and protrudes outwardly like the eyeglasses when worn. Not only does it improve the wearer's activity, it is also widely used as a cosmetic contact lens that can produce a variety of eye colors by implementing a color and design on the contact lens.

As shown in FIG. 1, the contact lens has a first curved surface A that performs an optical function by refracting light at a central portion corresponding to the wearer's eyes, and has a foreign body feeling when worn outside the first curved surface. In order to reduce, the second curved surface B and the third curved surface C are formed to reduce the overall thickness of the contact lens.

Such a contact lens is typically manufactured in a half-molded type, that is, when a monomer that is a raw material of a contact lens is injected into a concave mold and the convex mold is inserted into the concave mold for a predetermined time, the monomer is cured and then contacted. While forming the lens, it is bound to the convex mold. As described above, the convex mold in which the monomer is hardened and bound is inserted into the jig of the shelf to cut and polish the convex surface of the contact lens, and then remove the contact lens from the convex mold. The manufacturing method is widely used.

In relation to the above manufacturing method, Korean Patent No. 10-0902658 discloses a method of manufacturing a contact lens by injecting a monomer between a concave mold forming a convex outer surface of a contact lens and a convex mold fitted to the concave mold. Corresponding to the recessed mold, the fitting groove fitted to the jig of the shelf has a cylindrical body stepped to reduce the diameter in multiple stages, the display projection is formed on the outer periphery of the bottom of the body while the astigmatism at the top end Injecting a convex mold having a convex surface formed according to the same; Marking step of marking the correct position by digging a groove using a drill on one side of the body of the convex mold; Injecting a monomer into a concave mold, pressing the hardened marking convex mold from a convex surface, and pressing and curing the convex mold from the concave mold; Cutting the convex mold into the jig of the lathe to cut the thickness of the contact lens peripheral portion bound to the convex surface of the convex mold to be 0.04 to 0.08 mm; Cutting the upper part including the convex surface of the convex mold through the cutting step using a cutter; Axial myopia cutting of the contact lenses bound to the convex surface by inserting the upper end of the cut convex mold into the jig of the toric lathe; The method of manufacturing a contact lens is characterized in that the step of: polishing the convex surface of the contact lens is completed myopia and then separating the contact lens from the convex mold to complete.

In addition, Korean Patent No. 10-0537857 step of manufacturing a convex mold and a concave mold by molding; Completely stirring and mixing the monomer mixture which is a raw material of the contact lens after the step; Injecting the monomer mixture between the convex mold and the concave mold to irradiate ultraviolet rays to polymerize the injected monomer mixture; Confirming whether the polymerized material is formed of a normal contact lens after detaching the concave mold from the resultant; Inserting and fixing a shelf jig into the convex mold jig fitting hole; In the method of manufacturing a contact lens comprising the step of cutting the convex mold contact lens, The step of cutting the convex mold contact lens, the front of the convex mold contact lens, except for the front portion of the front cutting processing portion Cutting to form an optical surface portion and a cutting surface portion; A method of manufacturing a contact lens using lathe cutting is known, which comprises the step of removing the uneven portion by machining the cutting surface of the contact lens with a polishing machine after the above step.

In addition, Korean Patent No. 10-0902658 fills a molding groove formed in a lower mold with a predetermined amount of a molding liquid, and an upper mold pressurizes the molding groove filled with the molding liquid to form a hemispherical contact lens between the lower mold and the upper mold. A contact lens molding apparatus is known, in which a press is formed by an image mold at all times to be realized by a normalized angle, position, and pressure, thereby reducing the occurrence of defects caused by forming a contact lens. .

In particular, as a contact lens cutting apparatus, Korean Patent No. 10-0908291 is provided with a machining shaft that is rotated, and one or more cutting edges are to be processed to cut the contact lens while moving at the end of the machining shaft, but at the end of the machining shaft. A mold supply means which is provided on one side of the processing shaft so as to automatically supply and combine a lens mold with a lens attached thereto, and uniformly aligns a plurality of lens molds and simultaneously supplies lens molds one by one; And a mold moving means for moving the lens molds one by one to fix them to the ends of the processing shaft; and a mold discharge means for discharging the lens mold after the processing of the contact lens is completed. Of contact lens cutting equipment that not only drastically reduces, but also increases productivity. A mold's automatic supply device has been developed.

In addition, the Korean Patent No. 10-0913432 is provided with a processing shaft that is coupled to the drive motor to rotate, the lens mold with a contact lens is fixed to the end of the processing shaft, one or more cutting edges are moved from the end of the processing shaft In the contact lens cutting and discharging device for cutting the contact lens while cutting, the mold release portion for moving away from the lens mold coupled to the processing axis while moving from the outer end of the processing shaft, the lens mold separated by the mold release portion It is provided with a hopper into which the lens mold is injected to discharge to a predetermined position, and a mold discharge guide formed to be inclined downward toward the lower side of the hopper is provided to facilitate the production and maintenance of the contact lens cutting discharge device is increased productivity , The collection and post-treatment of the finished lens mold is easy Contact lens cutting and ejection apparatus has been developed.

Meanwhile, as shown in FIG. 2, in the conventional method of manufacturing a contact lens, the contact lens is separated from the convex mold (mold separation) after cutting (turning) the contact lens and then cutting the surface (polishing). After polishing (edge polishing) the edges, the contact lenses are soft-nitrated (hydrated) in saline, washed (wet-washed), and then used for lens diameter, radius of curvature, appearance and frequency (peak refractive power) to produce soft lenses. After checking (inspecting) and dissolution process, the product is put into a packaging container and undergoes a final inspection process.

However, the conventional contact lens manufacturing process as described above, except for the contact lens cutting process, external polishing-mold separation-edge polishing-hydration-wet cleaning-inspection-elution-container injection-packaging process all depend on manual work, There is a problem that the mass production is difficult due to the long working time due to the complicated process sequence, which is collected and transferred in batch form for each process, and the contact lens half mold is configured to manufacture and manufacture precise contact lenses easily and easily. There is an urgent need for the development of food manufacturing automation systems.

In addition, as a contact lens mold separating apparatus, Korean Patent No. 10-0572063 discloses a contact lens mold separating apparatus that separates a contact lens mold from a mold base, the body being formed by connecting a frame to a lower upper plate, and formed on the upper body plate. And a plurality of grooves to be engaged with the stepped cylinder formed on the side of the body frame, and a step formed in the upper portion of the contact lens mold, one side of which is fixed to the frame and the other side of which is moved by the guide cylinder. As the contact lens mold separation operation is automatically performed, as it comprises a pair of mold guides formed to be possible, and a plurality of pipes that separate from the contact lens mold by applying pressure to the mold base by operation of the press cylinder. Speed to increase productivity and increase productivity To a contact lens mold so as to have a separation device have been developed.

However, the conventional mold separating apparatus is not easily made by deformation of the mold by pressing the mold base with a press cylinder, so that some of the plurality of lenses attached to the mold may not be separated, requiring manual labor of the operator. There was a problem that the lens is damaged and the quality is degraded as the lens falls vertically as it is stored without a separate moving means.

The present invention has been made in view of the above, and the contact lens semi-molded manufacturing automation system configured to enable a smooth lens manufacturing by separately supplying the lens and the lens mold to process the precise contact lens simply and easily. It is an object of the present invention to provide a lens mold separation apparatus.

In addition, by heating the lens mold to a certain temperature and softening it, the mold is pressed to automatically separate the lens bound to the lens mold, and the separate lens mold and the lens are separately picked up and transported. Contact lens semi-molded manufacturing automation system that can be supplied to enable easy and easy processing, reduce the incidence of product defects through process automation, improve the quality by safe lens transfer, and increase productivity through rapid separation. To provide a lens mold separation apparatus of the.

The lens mold separation device of the contact lens semi-molded manufacturing automation system proposed by the present invention uniformly aligns a plurality of lens molds to which contact lenses are attached, and simultaneously supplies lens molds to the contact lens cutting means one by one. ; Contact lens cutting means for processing a contact lens attached to the supplied lens mold; Outer surface polishing means for removing uneven portions by machining the cut surface portion of the cut contact lens with a polishing machine; And a lens mold separating means for separating the externally polished contact lens from the lens mold, wherein the lens mold separating means comprises: a housing having a driving unit and a control unit therein; A mold separating apparatus rotatably installed on the housing, and a plurality of heating means installed on the upper portion of the circumferential portion of the rotating plate to heat the lens mold by the heating of the heating member provided therein; A crimping part which is fixedly spaced apart from the mold separation device at a predetermined distance and compresses the lens mold which is bound to the heating means; A lens carrier installed on the housing and collecting the lens separated from the lens mold through the pressing unit on one side; A mold discharge path installed at an inclined side to the frame provided at one side of the mold separation device; A first pickup device installed on the frame provided with the mold discharge path so as to move left and right reciprocally along the guide rail and picking up the lens separated from the lens mold and transferring the lens to the lens carrier; And a second pickup device configured to reciprocate from side to side along the guide rail at one side of the first pickup device and to pick up the lens mold from which the lens is separated and transfer the lens mold to the mold discharge path.

The rotating plate of the mold separator is formed by a circular shape and rotated by the drive unit and includes a groove portion formed around the circumference to install the plurality of heating means.

 The heating means is installed at equal intervals on the upper circumferential portion of the rotating plate, and forms a shape corresponding to the inner shape of the lens mold so that the lens mold can be inserted therein but is formed to have a smaller outer diameter than the inner diameter of the lens mold. A constant clearance is maintained from the lens mold.

 The pressing part is fixedly installed at both sides at a predetermined distance on the upper part of the housing, and the first fixing member for partitioning the pressing area, and both ends are respectively connected to each of the first fixing member is installed and the rotating plate It comprises a pressing member for pressing the lens mold to be moved by passing through to remove the lens.

The pressing member is installed on the first fixing member and the inner circumferential surface is provided with a toothed pressing member having a plurality of teeth formed at equal intervals, and a second fixing member on the upper surface of the toothed pressing member to be connected to each other. It is provided with a plurality of rotatably installed in the corresponding position and comprises a rolling-type pressing member for pressing so that the lens is smoothly separated from the lens mold moved by the rotating plate.

The first and second pickup devices are connected to the guide rails, respectively, and move horizontally and horizontally in a partitioned movement range. And a pick-up part fixed to the guide rod of the lifting member and provided with a guide rod for vacuum suction of the lens or the lens mold, respectively.

The pick-up part includes a vacuum adsorption part formed at an end of the suction hole and generating a vacuum to adsorb a lens or lens mold, and a packing for smoothly maintaining a vacuum state inside the vacuum adsorption part.

The lens carrier is rotatably installed on the housing and includes a carrier plate having a plurality of fastening portions formed with insertion grooves, which are inserted into the fastening portions of the carrier plate and extend long upwards so that the lens is introduced or discharged at the end. The loading space is formed in a perforated form, and includes a lens receiving member for receiving a plurality of lenses inward, and a drive motor connected to the carrier plate is installed into the housing and transmits a rotational force to the carrier plate.

According to the lens mold separating apparatus of the contact lens semi-molded manufacturing automation system according to the present invention, the contact lens and the lens mold are separated and supplied to provide a smooth lens. The continuous working process is possible, so that the processing can be performed quickly.

In addition, the lens mold separation apparatus of the contact lens semi-molded manufacturing automation system according to the present invention is to soften the lens mold by heating to a constant temperature, and then press-mold the mold to automatically separate the lens bound to the lens mold and each separated. It is a structure that pick-up and transfer lens mold and lens separately, so that precise contact lens can be processed easily and easily, and defects generated during processing of contact lens are greatly reduced and safe contact lens transfer due to the fully automated process. It is possible to improve the quality, it is possible to increase the productivity of the precise and sophisticated contact lens by a quick separation operation, there is an effect that can significantly reduce the manufacturing cost and productivity of the contact lens.

1 is a cross-sectional view of a contact lens.
2 is a process chart showing a conventional contact lens manufacturing method
Figure 3 is a front view showing an embodiment according to the present invention.
Figure 4 is a plan view showing an embodiment according to the present invention.
Figure 5 is a rear view showing an embodiment according to the present invention.
Figure 6 is a front view showing a mold separation apparatus in one embodiment according to the present invention.
7 is a cross-sectional view showing a crimping portion in one embodiment according to the present invention.
8 is a plan view showing a state of use of the mold separation apparatus in the present invention.
9 is a front view showing a state of use of the first pickup device in the present invention.

Next, a preferred embodiment of the lens mold separation apparatus of the contact lens semi-molded manufacturing automation system according to the present invention will be described in detail with reference to the drawings.

First, a preferred embodiment of the lens mold separation apparatus of the contact lens semi-molded manufacturing automation system according to the present invention is to uniformly align a plurality of lens molds with contact lenses, as shown in Figs. Lens mold supply means for simultaneously supplying the lens molds to the contact lens cutting means one by one; Contact lens cutting means for processing a contact lens attached to the supplied lens mold; Outer surface polishing means for removing uneven portions by machining the cut surface portion of the cut contact lens with a polishing machine; And a lens mold separating means for separating the externally polished contact lens from the lens mold, wherein the lens mold separating means includes a housing 10, a mold separating apparatus 20, a pressing unit 30, and a lens. And a carrier 40, a mold discharge path 50, a first pickup device 60, and a second pickup device 70.

The housing 10 forms a box shape, forms a space in which the driving unit 1 and the control unit 5 can be provided, and has a mold at a height that allows a worker to smoothly work at a position away from the ground. It serves as a workbench so that the components of the present invention, including the separator 20, are installed.

It is also possible to include a controller 8 on the housing 10 that is connected to the control unit 5 and controls the power supply operation and the job setting to signal the control unit 5.

The front of the housing 10 may be formed in an open state, or may be formed in a closed state, but may be formed in a state that can be opened and closed artificially.

A plurality of ventilation holes 13 may be formed at the rear of the housing 10 to prevent overheating of the driving unit 1 and the control unit 5 when the housing 10 is operated in a sealed state.

It is also possible to install the case 14 to protect it from the outside when the upper portion of the housing 10 does not operate.

It is also possible to form the wheel 11 in the lower portion so that the housing 10 can be moved if necessary, and when installed in a certain work place, the leg for supporting the housing 10 and prevent the fine movement ( It is also possible to form 12).

The housing 10 may be formed in a box shape of a rectangular parallelepiped, or may be formed in various cross-sectional shapes such as an ellipse or a circle.

The mold separation device 20 is installed on the housing 10 and serves to move and move the lens mold 2 to which the lens L, which is polished by external polishing means, is bound.

The mold separation device 20 is installed on the housing 10 and rotated by receiving a rotational force from the driving unit 1, and is installed on the inner circumferential portion of the rotating plate 21 and the inside It comprises a plurality of heating means 25 for heating the lens mold 2 by the heat of the heating member 26 provided in the.

The rotating plate 21 includes a groove 23 formed to rotate by the drive unit 1 and have a circular shape and to install the plurality of heating means 25 at the periphery.

The rotary plate 21 is a connection passage 24 through which an electric wire (not shown) may enter or exit to supply energy to the heating member 26 by a power supply source (not shown) provided inward. Is formed.

The connection passage 24 is formed at a position corresponding to the heating means 25 to facilitate the connection from the power supply source to the heating member 26.

Since the heating means 25 can be implemented by applying a variety of heating schemes generally used in the device that generates heat by electrical energy, detailed description thereof will be omitted.

The heating means 25 is installed at equal intervals on the upper circumferential portion of the rotating plate 21, and formed so that the lens mold (2) can be inserted into an outer shape corresponding to the inner shape of the lens mold (2). However, by forming a smaller outer diameter than the inner diameter of the lens mold (2) is made to maintain a constant clearance from the bound lens mold (2).

The heating means 25 is preferably formed of a material having excellent thermal conductivity such as copper alloy and aluminum alloy to minimize energy consumption as the lens mold 2 is heated only by minute heat of the heating member 26.

The pressing part 30 serves to press the lens mold 2 fixedly spaced apart from the mold separation apparatus 20 at a predetermined distance and bound to the heating means 25.

The pressing portion 30 is fixed to both sides at a predetermined distance on the upper portion of the housing 10, the first fixing member 31 for partitioning the pressing area, and both ends of each of the first fixing member It comprises a pressing member 32, which is installed to be coupled to each other and the lens mold (2) to be moved by the rotation plate 21 is pressed to pass through the lens (2) to separate the lens (L).

The pressing member 32 is installed on the first fixing member 31 and the toothed pressing member 33 having a plurality of teeth 32a are formed on the inner circumferential surface at equal intervals and the toothed pressing member 33. The second fixing member 35 is provided on the upper surface thereof, and coupled to each other, but a plurality of lenses are installed to be rotatable at a corresponding position from the teeth 32a and moved from the lens mold 2 moved by the rotating plate 21. L) is made of a rolling-type pressing member 34 for pressing so as to be separated smoothly.

When the toothed pressing member 33 is coupled to the first fixing member 31, the second fixing member 35 is coupled to the rolling type pressing member 34 to move back and forth, thereby moving the toothed pressing member. Compression adjustment holes (32b) are formed to adjust the gap between the 33 and the rolling-type pressing member 34, respectively.

The rolling pressing member 34 may also have teeth (not shown) on the outer circumferential surface of the lens mold 2 in contact with each other.

 The pressing member 32 is a toothed pressing member 33 and the rolling-type pressing member (32) by using the pressing adjustment hole (32b) formed in the serrated pressing member 33 and the second fixing member 35, respectively ( By adjusting the distance to the 34, it is possible to adjust the compressive force acting on the lens mold (2). That is, when the lens mold 2 is compressed by adjusting the distance between the toothed pressing member 33 and the rolling pressing member 34, the pressing force is generated in the lens mold 2, and the distance is increased. As the compression and control are farther from each other, a lower compression force is generated to compress the lens mold 2.

In addition, in fixing the rolling type pressing member 34 to both the pressing adjusting holes 32b formed in the toothed pressing member 33 and the pressing adjusting holes 32b formed in the second fixing agent, the same clearance is provided. It is also possible to press the lens mold 2 with the same pressing force by adjusting, and the gap between the toothed pressing member 33 and the rolling pressing member 34 is differently adjusted by the pressing adjusting holes 32b respectively formed. As the distance between the toothed pressing member 33 and the rolling-type pressing member 34 becomes narrower or wider, it is possible to apply a higher pressing force or a lower pressing force to the moving lens mold 2. Do.

The lens carrier 40 is installed on the housing 10 and collects the lens L separated from the lens mold 2 through the pressing part 30 on one side.

The lens carrier 40 is rotatably installed on the housing 10 and has a plurality of fastening portions 42 having insertion grooves 42a formed therein, and the carrier plate 41 of the carrier plate 41. The lens accommodating member 43 accommodates a plurality of lenses inwardly and is installed in the fastening part 42 and extends upwardly and has a loading space 43a formed in a shape that is perforated to introduce or discharge the lens L at the end thereof. And a driving motor 44 connected to the carrier plate 41 and installed inwardly of the housing 10 and transmitting rotational force to the carrier plate 41.

The carrier plate 41 of the lens carrier 40 forms a circular shape and is connected to the driving motor 44 to rotate as the rotational force is transmitted.

The lens receiving member 43 of the lens carrier 40 is provided on the carrier plate 41 at equal intervals and is provided to be coupled and detachable, and is formed in a slender tubular shape of a long shape.

The mold discharge path 50 is installed to be inclined so that one side is downward in the frame 69 provided on one side of the mold separation device 20.

”형태의 단면형상으로 형성하는 것도 가능하고, “∪”형태 등의 렌즈(L)가 분리된 렌즈몰드(2)를 원활하게 유도하도록 상부에서 홈이 형성된 다양한 단면형상으로 형성하는 것도 가능하다.The mold discharge path 50 is a lens mold (2) is inducible "

It is also possible to form the cross-sectional shape of "" shape, and to form the various cross-sectional shape in which the groove | channel was formed in the upper part so that the lens mold 2 in which the lens L, such as "∪" shape, etc. may be smoothly guide | induced may be formed.

The first pickup device 60 is installed on the frame 69 provided with the mold discharge path 50 so as to move left and right reciprocally along the guide rail 61 and is separated from the lens mold 2. Pick up and transfer to the lens carrier 40.

The first pick-up device 60 is connected to the guide rail 61 and is fixed to the horizontal conveying member 62 and the horizontal conveying member 62 to smoothly move left and right within the partitioned moving range. A lifting member 63 provided with a guide rod 63a installed at the bottom and operating up and down from the bottom, and fixed to the guide rod 63a of the lifting member 63, respectively, for vacuum suction of the lens L. It comprises a pickup 65 to be made.

The horizontal carrier member 62 is the lens carrier for collecting the lens (L) uniformly transferable from the position provided with the heating means 25 for separating the lens (L) of the mold separation apparatus (20) ( Repeat operation by setting the movement range up to 40).

At least one guide rod 63a is provided at the elevating member 63 to form the pickup 65 so as to stably move up and down.

The pick-up part 65 has a suction hole 66a formed at a tip thereof, and generates a vacuum to suck the lens L, and the vacuum suction part 66 smoothly inside the vacuum suction part 66. Packing 67 to maintain the state.

The second pick-up device 70 is installed to be reciprocated from side to side along the guide rail 71 on one side of the first pick-up device 60 and picks up the lens mold 2 from which the lens L is separated. Transfer to the mold discharge path (50).

The vacuum suction input by the vacuum suction unit 76 of the second pickup device 70 acts more strongly than the vacuum suction input by the vacuum suction unit 66 of the first pickup device 60. That is, in the vacuum adsorption portion 66 of the first pickup device 60 which vacuum-adsorbs a relatively light lens L, the light lens L may be vacuum-absorbed, but the weight of the lens mold 2 The weak suction force that cannot be vacuumed is applied.

In the second pickup device 70, the lens mold 2 in which the lens L is separated as described above is disposed at the mold discharge path 50 at the position where the heating means 25 of the mold separation device 20 is provided. The guide rail 71, the horizontal conveying member 72, and the guide rod 73a are provided except for operating by setting the moving range to) and a stronger suction force than the vacuum suction input of the first pickup device 60. Since the structure of the pickup part 75 provided with the elevating member 73 and the vacuum suction part 76 can be implemented in the same structure as the above-mentioned 1st pick-up apparatus 60, detailed description is abbreviate | omitted.

Next, look at the operation relationship of the lens mold separation apparatus of the contact lens half-molded manufacturing automation system according to a preferred embodiment of the present invention.

First, the process of manufacturing the contact lens is made through a lens mold supply means, cutting means, external polishing means, lens mold separation means, edge polishing means, dry cleaning means, inspection means, hydration means, elution means, automatic injection means .

Here, the present invention is a lens mold separation device of a contact lens semi-molded manufacturing automation system which is a lens mold separation means. Referring to FIG. 8 and FIG. 9, a polymer such as HEMA is first injected into a lens female mold. After coupling the male to the female to polymerize the polymer, the female is separated, and the lens mold 2, which has been cut and processed by the lathe so that the outer surface of the contact lens L bound to the male, has a refractive index suitable for the desired frequency, is picked up. Then, the lens mold 2 having the polished lens L in the outer surface polishing means is transferred and supplied to the mold separation device 20. That is, the lens mold 2, which is separated from the female mold by the lens mold supply means and the contact lens L is bound, is uniformly aligned on the conveyor and transferred to the cutting means, and the cut lens L is cut through the cutting means. Transfers the lens mold 2 to which the binder is attached and is polished by the external polishing means, and the lens mold 2 to which the polished lens L is bound is transferred to the heating means 25 of the mold separation device 20. As a result, the standby state of the process of separating the lens L from the lens mold 2 is maintained.

At this time, when the lens mold 2 of which the outer surface of the lens L is polished is supplied to the heating means 25 provided in the rotating plate 21, the heat of the heating member 26 that continuously generates heat from the inside is The lens mold 2, which is conducted to the heating means 25 and supplied to the heating means 25, is softened by heat.

Subsequently, the lens mold 2 enters the compression zone in which the compression unit 30 is installed due to the continuously rotating rotating plate 21, and the lens mold 2 is deformed and bound as much as the pressing force acting. Is separated from the lens mold (2). Specifically, when the lens mold 2 enters the pressing part 30, the rolling mold pressing member 34 and the tooth are formed by pressing the lens mold 2 by the pressing member 32 to separate the lens L. The lens mold 2 is rolled automatically by the teeth formed in the mold pressing member 33, and the lens mold 2 is attached to the lens mold 2 by repeated pressing and rolling operations at the position where the rolling mold pressing member 34 is provided. The lens L has been removed.

Subsequently, at the end point of the crimping section 30, the first pickup device 60 is positioned on the vertical line above the lens mold 2 provided in the heating means 25, and the suction section of the pick-up section 65 is operated. After vacuum-absorbing only the lens L separated from the lens mold 2, the lens L is moved to the position of the lens carrier 40 along the guide rail 61 from the horizontal transfer member 62. The member 43 is transferred.

At this time, the lens carrier 40 is rotated by the drive motor 44 when the lens carrier 40 reaches the predetermined capacity of the lens (L) and the set number of reciprocating movements of the first pickup device 60 corresponding thereto. Another empty lens receiving member 43 is positioned.

When the lens L is filled in all the lens receiving members 43 of the lens carrier 40 by repeating the above operation, the lens receiving member 43 is separated from the carrier plate 41 and the lens L is edged. Transfer to grinding means.

On the other hand, the lens mold 2 from which the lens L is separated is rotated by the rotating plate 21 which is continuously rotated so that the pick-up part 65 is located at a point where the second pickup device 70 is positioned upward in a vertical line. After suctioning the lens mold (2) by the suction action of, the lens mold (2), which is moved along the guide rails (61) and is separated from the lens (L), is transferred to the mold discharge path (50).

That is, according to the lens mold separation apparatus of the contact lens semi-molded manufacturing automation system according to the present invention, which is configured as described above, the contact lens and the lens mold that are precisely processed so as to manufacture a smooth lens are separated and supplied. As it is made, it is possible that a continuous working process of the contact lens is possible, so that processing can be made quickly.

In addition, by heating the lens mold to a certain temperature and softening it, the mold is pressed to automatically separate the lens bound to the lens mold, and the separate lens mold and the lens are separately picked up and transported. It is supplied so that it can be processed easily and easily, and the defects that occur during the processing of contact lenses are greatly reduced due to the full automation of the process, and the safety of the contact lenses can be transported to improve the quality. Since the productivity of the lens can be increased, it is possible to significantly reduce the manufacturing cost and productivity of the contact lens.

In the above, a preferred embodiment of the lens mold separation apparatus of the contact lens half-molded manufacturing automation system according to the present invention has been described, but the present invention is not limited thereto, but the scope of the claims and the detailed description of the invention and the accompanying drawings. Various modifications can be made therein and this also falls within the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Drive part 2 Lens mold 5 Control part
8 controller 10 housing 11 wheels
12 leg 13 vent hole 14 case
20: mold separation device 21: rotating plate 22: step
32a: tooth 25: heating means 26: heating member
30: pressing part 31: first fixing member 32: pressing member
32b: crimp adjustment hole 33: toothed crimping member 34: rolling crimping member
35: second fixing member 40, 140: lens carrier 41: carrier plate
42: fastening portion 42a: insertion groove 43: lens receiving member
43a, 141a: Loading space 44: Drive motor 50: Mold discharge path
60,70: 1st, 2nd pick-up device 61,71: guide rail 62,72: horizontal conveying member
63, 73: elevating member 63a, 73a: guide rod 65, 75: pickup
66: vacuum adsorption portion 66a: adsorption holes 67: packing
69: frame L: lens

Claims (8)

Lens mold supply means for uniformly aligning a plurality of lens molds having contact lenses attached thereto and simultaneously supplying lens molds to the contact lens cutting means one by one; Contact lens cutting means for processing a contact lens attached to the supplied lens mold; Outer surface polishing means for removing uneven portions by machining the cut surface portion of the cut contact lens with a polishing machine; And a lens mold separating means for separating the externally polished contact lens from the lens mold.
The lens mold separating means includes a housing having a driving unit and a control unit therein;
A mold separating apparatus rotatably installed on the housing, and a plurality of heating means installed on the upper portion of the circumferential portion of the rotating plate to heat the lens mold by the heating of the heating member provided therein;
A crimping part which is fixedly spaced apart from the mold separation device at a predetermined distance and compresses the lens mold which is bound to the heating means;
A lens carrier installed on the housing and collecting the lens separated from the lens mold through the pressing unit on one side;
A mold discharge path installed at an inclined side to the frame provided at one side of the mold separation device;
A first pickup device installed on the frame provided with the mold discharge path so as to move left and right reciprocally along the guide rail and picking up the lens separated from the lens mold and transferring the lens to the lens carrier;
And a second pickup device configured to reciprocate from side to side along the guide rail at one side of the first pickup device, and to pick up the lens mold from which the lens is separated and transfer the lens mold to the mold discharge path. Lens mold separation device of a lens semi-molded manufacturing automation system.
The method according to claim 1,
The rotating plate of the mold separation device, the contact lens semi-molded manufacturing automation system, characterized in that it comprises a groove which is rotated by the drive unit is formed in a circular shape and formed around the circumference to install the plurality of heating means. Lens mold separation device.
The method according to claim 1,
The heating means is installed at equal intervals on the upper circumferential portion of the rotating plate, and formed to have an outer shape corresponding to the inner shape of the lens mold so that the lens mold can be inserted therein but having a smaller outer diameter than the inner diameter of the lens mold. A lens mold separation apparatus for a contact lens semi-molded manufacturing automation system, characterized in that a constant clearance is maintained from a binder lens mold.
The method according to claim 1,
The pressing portion, the first fixing member which is fixed to each side at a predetermined distance on the upper portion of the housing to partition the pressing area,
Both end portions are connected to each of the first fixing members, respectively, and are coupled to each other, and a pressing member for pressing and separating the lens when the lens mold moved by the rotating plate is passed. Lens mold separation apparatus of contact lens semi-molded manufacturing automation system.
The method according to claim 4,
The pressing member is a toothed pressing member which is provided on the first fixing member and a plurality of teeth are formed on the inner peripheral surface at equal intervals,
A second fixing member is coupled to the upper surface of the sawtooth pressing member to be coupled to each other, and a plurality of rotatably installed parts are rotatable at a corresponding position from the sawtooth, and the lens is pressed to smoothly separate from the lens mold moved by the rotating plate. Lens mold separation apparatus of a contact lens semi-molded manufacturing automation system comprising a rolling-type pressing member.
The method according to claim 1,
The first and second pick-up devices, respectively, is connected to the guide rail is installed in the horizontal transfer member to move smoothly left and right within the partitioned moving range,
An elevating member fixedly installed at the front of the horizontal conveying member and provided with a guide rod operating from the bottom to an upside / downside;
The lens mold separation apparatus of the contact lens semi-molded manufacturing automation system, characterized in that it is fixed to the guide rod of the elevating member and comprises a pickup for vacuum suction of the lens or lens mold, respectively.
The method of claim 6,
The pick-up unit, the suction hole is formed in the front end and generates a vacuum to adsorb the lens or lens mold, the vacuum adsorption portion, and the inside of the vacuum adsorption portion comprises a packing to keep the vacuum state smoothly Lens mold separation apparatus of contact lens semi-molded manufacturing automation system.
The method according to claim 1,
The lens carrier may include a carrier plate rotatably installed on the housing and having a plurality of fastening portions formed with insertion grooves;
A lens accommodating member installed in the fastening part of the carrier plate and extending upwardly to form a loading space in the form of a hole formed at an end thereof so as to penetrate or discharge the lens, and accommodate a plurality of lenses inwardly;
And a drive motor connected to the carrier plate and installed inside the housing and transmitting a rotational force to the carrier plate.

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