TWI821116B - Top film mechanism and contact lens demoulding equipment and operating method thereof - Google Patents

Abstract

The invention discloses a top piece mechanism and contact lens demoulding equipment and an operating method thereof. It is a permeable top piece mechanism. The top piece mechanism of the invention at least includes: a clamping claw module and an ejector module. The ejector rod module includes a plurality of inner ejector rods and a plurality of corresponding outer ejector rods surrounding the inner ejector rod, wherein a plurality of the inner ejector rods and a plurality of the outer ejector rods are correspondingly arranged below the accommodating groove; Therefore, the present invention effectively separates the lens from the plastic mold through the design of the inner and outer ejector pins, thereby improving the success of lens removal.

Description

Top film mechanism and contact lens demoulding equipment and operating methods thereof

The present invention relates to a contact lens demoulding equipment, in particular to an ejector module with an inner ejector pin and an outer ejector pin, so that it can effectively improve the success of lens removal, as well as the contact lens demoulding equipment and its Action method.

Due to the popularization of electronic products, long-term use of electronic products has doubled the number of people wearing contact lenses, which has increased the demand for contact lenses. Therefore, how to increase the production time of contact lenses and improve lens yields has gradually become an urgent issue for the industry.

Known contact lens demoulding equipment is roughly divided into hydration demoulding, ultrasonic demoulding, ejection demoulding and other demoulding methods. However, during the manufacturing process of hydration demoulding, the lens must be soaked in liquid to soften and demould. Finally, Manual inspection is also required, which is not only cumbersome and time-consuming, but also requires a lot of manpower. Ultrasonic demoulding uses ultrasonic waves to detach the lens from the mold through frequency and vibration. However, if the lens material is If the viscosity is high, it will take a long time to demould and it is not easy to vibrate, which may lead to incomplete demoulding. It may also easily lead to lens damage and increase the number of defective products. The next step is ejection and demoulding. , the ejector pin is used to directly push against the mold to push out the lens. However, the known ejector rods are all solid rod bodies, and most of them directly push against the mold through the top surface of the solid rod body. Therefore, if the pushing position is offset, it is easy to cause problems. The problem of lens damage will cause undesirable situations, and if the lens material is highly viscous, if the lens is forced to be ejected, the damage will be more serious.

In view of the above-mentioned shortcomings, therefore, how to effectively avoid the problem of lens damage through innovative hardware design and improve the yield of lens removal is a question that developers and related researchers in contact lens equipment related industries need to continue to work on. Work hard to overcome and solve the problems.

Now, in view of the fact that there are still many shortcomings in the actual implementation, the inventor has worked tirelessly to improve it and created it based on his rich professional knowledge and years of practical experience. invention.

The main purpose of the present invention is to provide a top-piece mechanism and contact lens demolding equipment and an operating method thereof. The top-piece mechanism has a structural design of an inner ejector rod and an outer ejector rod, which can effectively improve the success of lens removal.

In order to achieve the above-mentioned implementation purpose, the inventor of the present invention proposes a top-piece mechanism, which is installed in a contact lens demoulding equipment. The top-piece mechanism at least includes: a clamping jaw module, which includes at least a first module block and a second module block, and a plurality of receiving slots are formed between the first module block and the second module block; an ejector pin module includes a plurality of inner ejector pins and a plurality of corresponding Surrounding the inner ejector rod and the outer ejector rod, a plurality of the inner ejector rods and a plurality of the outer ejector rods are correspondingly arranged below the accommodating groove; wherein the plurality of outer ejector rods of the ejector rod module are opposite to each other. The other end of the accommodating groove is in contact with an outer ejector linking block, and an outer ejector driving unit is provided on one side of the outer ejector linking block; and a plurality of the inner ejector pins of the ejector module are relative to the accommodation The other end of the slot is in contact with an inner ejector linking block. One side of the inner ejector linking block is further provided with an inner ejector driving unit, wherein the inner ejector driving unit and the outer ejector driving unit are arranged in parallel. Accordingly, the structural design of the top lens mechanism with inner and outer push rods can effectively improve the success of lens removal.

In the top piece mechanism as mentioned above, a pressing module is further provided above the clamping jaw module. The pressing module includes at least one pressing part. A plurality of slots are provided above the pressing part, and the pressing part is electrically connected to a pressing driving unit. , a plurality of the slots are correspondingly arranged on a plurality of the receiving grooves of the clamping jaw module, and the pressing driving unit is driven downward, and drives the pressing part downwardly to press and contact the clamping jaw module.

The top piece mechanism as mentioned above further includes a bracket group, and at least one track module is provided above the bracket group for the ejector module to move laterally.

In the top plate mechanism as described above, the first module block of the clamping jaw module is electrically connected to a first opening and closing driving unit; and the second module block is electrically connected to a second opening and closing driving unit.

As mentioned above, the top of the outer push rod protrudes from the top of the inner push rod.

In the above top piece mechanism, the top of the outer push rod is flush with the top of the inner push rod.

As mentioned above, the outer ejector pin and the inner ejector pin are lifted synchronously and gradually peel off the lens from the plasticizing mold.

In the top piece mechanism as described above, the outer push rod and the inner push rod are lifted in a staggered manner to gradually peel off the lens from the plasticizing mold.

In order to achieve another implementation purpose mentioned above, the inventor of the present invention also proposes a contact lens demolding equipment, which at least includes: a feeding mechanism that provides a plurality of plasticizing molds, wherein the plasticizing mold includes an upper mold and a corresponding upper mold. A lower mold on one side of the mold, in which a contact lens lens is provided between the upper mold and the lower mold; a mold splitting mechanism, which is provided after the feeding mechanism and is used to separate the upper mold and the lower mold of the plasticizing mold; a A flipping mechanism is provided after the mold splitting mechanism to flip the lower mold and contact lens lens retained after mold splitting; a top piece mechanism as mentioned above is disposed after the flipping mechanism, and the push rod module is used to perform this process. The lower mold is squeezed to separate the contact lens lens from the lower mold; a mechanical hand taking-out mechanism is provided behind the top lens mechanism, and is equipped with a suction nozzle to take out the contact lens lens from the lower mold and place it on a glass On the vehicle. Accordingly, through the structural design of the top lens mechanism with inner and outer push rods, the yield rate of lens removal can be effectively improved.

The above-mentioned contact lens demoulding equipment is further provided with a residual material detection mechanism. The remaining material detection mechanism is provided between the mold parting mechanism and the flipping mechanism to detect residual material on the lower mold and the contact lens lens. detection.

The contact lens demoulding equipment as described above is further provided with a pre-clamping mechanism. The pre-clamping mechanism is disposed between the top sheet mechanism and the flipping mechanism. The lower part of the plasticizing mold is clamped through a pre-clamping jaw module. The mold applies lateral pressure at least once to create a micro gap between the contact lens lens and the lower mold.

The contact lens demoulding equipment as described above is further provided with a residual material detection mechanism. The remaining material detection mechanism is arranged between the top film mechanism and the flipping mechanism to detect the residual material of the lower mold and the contact lens. detection.

The contact lens ejection equipment as described above is further provided with a pre-ejection mechanism, which is disposed between the feeding mechanism and the mold parting mechanism, and is clamped and fixed on the lower part through a pre-ejection clamping jaw module. mold, and then use at least one pre-ejector pin provided at one end of the pre-ejector clamping jaw module to press down the lower mold, so that a slight gap is generated between the upper mold and the lower mold.

In order to achieve another of the above-mentioned implementation goals, the inventor also proposes an operating method of a contact lens demolding equipment, which is suitable for a contact lens demolding equipment as described above, which at least includes the following steps: Step 1: Feeding step , through the feeding mechanism, a plurality of the plasticizing molds are provided; Step 2: The plasticizing mold splitting step is through the mold splitting mechanism, which is arranged behind the feeding mechanism and is used to separate the upper mold of the plasticizing mold. Separate the lower mold with the lower mold; Step 3: Flip step, through the flip mechanism, which is arranged behind the mold splitting mechanism, to flip the lower mold and the contact lens lens retained after mold splitting; Step 4: Lens top Step 1: Through the top film mechanism arranged behind the flipping mechanism, the lower mold is squeezed by the ejector module to separate the contact lens lens from the lower mold; Step 5: The step of taking the lens with the robotic arm , take out the contact lens lens from the lower mold through the robot arm disposed behind the top lens mechanism, and use the suction nozzle to take out the contact lens lens from the lower mold and place it on a glass carrier; Step 6: Automatic optical inspection of the lens step, Detect the quality of the contact lens through at least one testing station; and step 7: the step of sorting, sorting and discharging. After testing, the contact lens lens is sorted and discharged.

The operation method of the contact lens demoulding equipment as described above, after the second step and before the third step, further includes the following steps: a remaining material detection step, through the remaining material detection mechanism, the lower mold and the contact lens lens are tested Detection of remaining materials.

The operation method of the contact lens demoulding equipment as described above, between the third step and the fourth step, further includes the following steps: a pre-clamping step, through the pre-clamping mechanism, it can pass through a pre-clamping claw mold The group applies lateral pressure to the lower mold of the plasticizing mold at least once to create a micro gap between the contact lens lens and the lower mold.

The operation method of the contact lens ejection equipment as described above, wherein the following steps are further included between the first step and the second step: a pre-ejection mold separation step, through the pre-ejection mechanism and through a pre-ejection clamping jaw module The lower mold is clamped and fixed, and then the lower mold is pressed down with at least one pre-ejector pin provided at one end of the pre-ejector clamping jaw module, so that a slight gap is generated between the upper mold and the lower mold.

The operation method of the contact lens demoulding equipment as described above, after the third step and before the fourth step, further includes the following steps: a remaining material detection step, through the remaining material detection mechanism, the lower mold and the contact lens lens are tested Detection of remaining materials.

The operation method of the contact lens demoulding equipment as described above, wherein after this step and before step four, the following steps are further included: a clamping and pressing step, where the clamp module of the top sheet mechanism laterally clamps the The lower mold is pressed down and fixed on the outer ring of the lower mold through a pressing module.

Therefore, the top-piece mechanism and the contact lens demoulding equipment and their operating methods of the present invention mainly have the main advantages of effectively improving the success of removing the lens through the structural design of the inner and outer push rods.

In order to help the examiner understand the technical features, content and advantages of the present invention and the effects it can achieve, the present invention is described in detail below in conjunction with the accompanying drawings and in the form of embodiments. The drawings used therein are as follows. The subject matter is only for illustration and auxiliary description, and does not necessarily represent the actual proportions and precise configurations after implementation of the present invention. Therefore, the proportions and configuration relationships of the attached drawings should not be interpreted to limit the scope of rights of the present invention in actual implementation. Let’s explain first.

First, please refer to Figures 1 and 2, which are a perspective view of the ejector module and a perspective view of the top plate mechanism according to a preferred embodiment of the present invention. A top piece mechanism is provided, which is installed in a contact lens demoulding equipment. The top piece mechanism (100) at least includes: a clamp module (10); and an ejector module (20). The rod module (20) includes a plurality of inner push rods (21) and a plurality of corresponding outer push rods (22) surrounding the inner push rods (21). Accordingly, through the structural design of the top lens mechanism with inner and outer push rods, the success of lens removal can be effectively improved.

Please refer to Figures 3A and 3B, which are a side view and another side view of a preferred embodiment of the top plate mechanism of the present invention. In one embodiment of the present invention, the top rod module (20) , including a plurality of inner push rods (21) and a plurality of outer push rods (22), wherein a plurality of inner push rods (21) and a plurality of outer push rods (22) are correspondingly arranged in the container. Below the slot (13); the plurality of outer push rods (22) of the push rod module (20) are in contact with an outer push rod linking block (221) relative to the other end of the accommodation groove (13). An outer ejector driving unit (222) is further provided on one side of the ejector linkage block (221); and a plurality of the inner ejector pins (21) of the ejector pin module (20) are opposite to the other side of the accommodation slot (13). One end is in contact with an inner ejector linking block (211). One side of the inner ejector linkage block (211) is further provided with an inner ejector driving unit (212). The inner ejector driving unit (212) is connected with the outer ejector. The rod driving unit (222) is arranged in parallel; in one embodiment of the invention, the top end of the outer ejector rod (22) protrudes from the top end of the inner ejector rod (21), and the outer ejector rod (22) is connected to the top end of the inner ejector rod (21). The inner ejector rod (21) gradually causes the lens to peel off the plastic mold in any manner such as synchronous lifting, progressive lifting, or staggered lifting. In another embodiment of the present invention, the top end of the outer ejector rod (22) and The top of the inner ejector rod (21) is aligned, and the outer ejector rod (22) and the inner ejector rod (21) gradually peel off the plasticized lens in any manner such as synchronous lifting, progressive lifting, or staggered lifting. According to this, the inner ejector pin (21) and the outer ejector pin (22) can operate independently through the outer ejector pin driving unit (222) and the inner ejector pin driving unit (212), and can be lifted separately This way, it presses against the plasticizing mold so that the lens can be completely peeled off, improving the yield rate.

Please also refer to Figures 4A to 4C, which are schematic diagrams (1), (2) and (3) of the operation of a preferred embodiment of the top sheet mechanism of the present invention. In one embodiment of the present invention, a plurality of the The other end of the inner ejector rod (21) relative to the accommodation groove (13) is in contact with the inner ejector rod linkage block (211). The inner ejector rod linkage block (211) is further provided with the inner ejector rod driving unit on one side. (212), and a plurality of the outer ejector pins (22) are correspondingly arranged below the accommodation groove (13); wherein a plurality of the outer ejector pins (22) of the ejector pin module (20) are opposite to the accommodation groove (13). The other end of the groove (13) is in contact with the outer ejector linking block (221), and one side of the outer ejector linking block (221) is further provided with the outer ejector driving unit (222); when the present invention is actually implemented, , first, the clamp module (10) of the ejector mechanism (100) can clamp and fix at least one lower mold (PD) of the plasticizing mold (P) (as shown in Figure 4A), and through the ejector mold The outer ejector pin (22) of the group (20) presses the outer ring of the lower mold (PD) of the plasticizing mold (P) (as shown in Figure 4B); then, the inner ejector pin (21) presses The center of the lower mold (PD) of the plasticizing mold (P) (as shown in Figure 4C), and then gradually lifts the contact lens lens of the plasticizing mold (P) using a staggered lifting method, a progressive lifting method or a synchronous lifting method. (G) Creating a gap and peeling off completely can effectively reduce the peeling fragmentation rate, but the lifting method of the present invention is not limited to this and will not be described again.

Please also refer to Figure 5, which is a perspective view of the clamping jaw module of a preferred embodiment of the top plate mechanism of the present invention. In an embodiment, the clamping jaw module (10) includes at least a first module block (11) and a second module block (12), and the first module block (11) and the second module block (12) are A plurality of accommodating grooves (13) are formed between the module blocks (12), and a plurality of the accommodating grooves (13) are correspondingly provided with a plurality of plasticizing molds (P). In an embodiment of the present invention, the clamp The first module block (11) of the claw module (10) is electrically connected to a first opening and closing driving unit (111); and the second module block (12) is electrically connected to a second opening and closing driving unit. (121); When the present invention is actually implemented, the first module block (11) and the second module block (12) are respectively driven by the first opening and closing driving unit (111) and the second opening and closing driving unit (121). ) moves linearly so that the first module block (11) and the second module block (12) can be close to or away from each other to achieve the function of clamping and positioning the plasticizing mold.

Please refer to Figure 6 and Figures 7A and 7B, which are a perspective view, a side view and another side view of two preferred embodiments of the top sheet mechanism of the present invention. In the second preferred embodiment of the top film mechanism of the present invention, the present invention also provides a top film mechanism (100), which is installed in a contact lens demoulding equipment. The top film mechanism (100) at least includes: a Clamp module (10); and an ejector module (20). The ejector module (20) includes a plurality of inner ejector rods (21) and a plurality of corresponding inner ejector rods (21) surrounding the inner ejector rod (21). The outer ejector pin (22) is further provided with a pressing module (30) above the clamping jaw module (10). The pressing module (30) at least includes a pressing part (31), and the pressing part (31) ) is provided with a plurality of slots (311) above, and the pressed part (31) is electrically connected to a pressing drive unit (32), so that the plurality of slots (311) are correspondingly arranged on the clamping jaw module (10) ) on the plurality of accommodating slots (13), and the pressing driving unit (32) operates downward, and drives the pressing part (31) downward to press and contact the clamping jaw module (10) The accommodating groove (13) can effectively suppress and position the plasticizing mold (P) to prevent the displacement of the plasticizing mold from causing problems when the lens is peeled off or causing the lens to be sticky and difficult to peel off due to its characteristics.

Please refer to Figures 8 and 10, which are schematic diagrams of one preferred embodiment of the contact lens demolding equipment of the present invention and schematic diagrams of two preferred embodiments. The present invention provides a contact lens demolding equipment (1000) , the contact lens demoulding equipment (1000) at least includes: a feeding mechanism (200), which provides a plurality of plasticizing molds (P), wherein the plasticizing mold (P) includes an upper mold (PU) and a corresponding setting A lower mold (PD) is placed on one side of the upper mold (PU), and a contact lens (G) is provided between the upper mold (PU) and the lower mold (PD); a mold splitting mechanism (300) is provided After the feeding mechanism (200), it is used to separate the upper mold (PU) and the lower mold (PD) of the plasticizing mold (P); a turning mechanism (500) is provided on the parting mold. After the mechanism (300), it is used to flip the lower mold (PD) and the contact lens lens (G) retained after mold separation; a top film mechanism (100) as described above (as shown in Figure 2 or Figure 6 Figure), is installed behind the flipping mechanism (500), and uses the ejector module (20) to squeeze the lower mold (PD) to separate the contact lens lens (G) from the lower mold (PD). ; A robot-hand lens taking mechanism (700) is provided behind the top lens mechanism (100), and is provided with a suction nozzle (710) for taking out the contact lens lens (G) from the lower mold (PD) and Placed on a glass carrier; accordingly, the present invention also provides an operating method of a contact lens demolding equipment, which is suitable for a contact lens demolding equipment as described above, which at least includes the following steps: Step 1 (S1 ): In the material feeding step, through the feeding mechanism (200), a plurality of the plasticizing molds (P) are provided to feed the materials into the rows through the vibration plate, and the number of the rows is customized according to the user's needs. Step 2 (S2): The plasticizing mold parting step is through the mold parting mechanism (300), which is arranged behind the feeding mechanism (200) and is used to separate the upper mold (PU) of the plasticizing mold (P). Separate the lower mold (PD) with the lower mold (PD); step three (S3): flipping step, through the flipping mechanism (500), which is provided behind the mold splitting mechanism (300) to flip the lower mold retained after the mold splitting. The mold (PD) and the contact lens lens (G); step four (S4): lens ejection step, through the top film mechanism (100) provided after the flipping mechanism (500), through the ejector module (20) Extrude the lower mold (PD) to separate the contact lens lens (G) from the lower mold (PD); Step 5 (S5): The step of taking the lens by the robotic arm, through the top lens mechanism (100) Afterwards, the robot takes out the lens (700) and takes out the contact lens (G) from the lower mold (PD) through the suction nozzle (710) and places it on a glass carrier; Step 6 (S6): The step of automatic optical inspection of the lens, detecting the quality of the contact lens lens (G) through at least one inspection station; and step seven (S7): The step of sorting, sorting and discharging, the step of inspecting the contact lens lens (G) The materials are sorted and discharged. Accordingly, the structural design of the top lens mechanism with inner and outer push rods can effectively improve the yield of the lenses.

Please refer to Figures 8 and 9 together, which are schematic diagrams and flow charts of a preferred embodiment of the contact lens demolding equipment of the present invention. In one embodiment of the present invention, the contact lens demolding equipment is The demoulding equipment for color lens contact lenses is further provided with a residual material detection mechanism (400). The residual material detection mechanism (400) is arranged between the mold splitting mechanism (300) and the turning mechanism (500) to detect The lower mold (PD) and the contact lens lens (G) are used to detect remaining material; a pre-clamping mechanism (600) is provided between the top film mechanism (100) and the flipping mechanism (500) ), a pre-clamping jaw module (610) applies at least one lateral pressure to the lower mold (PD) of the plasticizing mold (P), so that the contact lens lens (G) and the lower mold ( PD) creates micro gaps. Furthermore, the present invention provides an operating method of a contact lens demolding equipment, which is suitable for a contact lens demolding equipment as described above (i.e., color contact lens demolding equipment), which at least includes the following steps:

Step 1 (S1): In the material feeding step, a plurality of plastic molds (P) are provided through the feeding mechanism (200) for feeding materials into rows through the vibration plate, and the number of rows is customized according to user needs.

Step 2 (S2): Plasticizing mold parting step; please refer to Figure 20, which is a three-dimensional view of the mold parting mechanism of the contact lens demoulding equipment of the present invention, in which the mold parting mechanism (300) includes an upper clamping claw (301 ) and a lower clamping jaw (302), wherein the upper clamping jaw (301) further includes a first upper clamping jaw module block (3011) and a second upper clamping jaw module block (3012), wherein the upper clamping jaw The first module block (3011) of the upper clamping jaw of (301) is electrically connected to a first driving unit (not shown) of the upper clamping jaw; and the second module block (3012) of the upper clamping jaw is electrically connected to an upper clamping jaw first driving unit (not shown). The upper clamping jaw second driving unit (not shown), through the clamping of the upper clamping jaw first module block (3011) and the upper clamping jaw second module block (3012), causes the plasticizing mold (P) to The lower mold (PD) is fixed; please also refer to Figures 12 to 14, which are three-dimensional views of the lower clamping jaws of the mold parting mechanism and the upper part of the mold parting mechanism of a preferred embodiment of the contact lens demoulding equipment of the present invention. Schematic diagram of mold clamping and lower mold clamping, wherein the lower clamping jaw (302) further includes a first lower clamping jaw module block (3021) and a lower lower clamping jaw second module block (3022), wherein the lower clamping jaw The first module block (3021) of the lower jaw of (302) is electrically connected to the first drive unit (3023) of the lower jaw; and the second module block (3022) of the lower jaw is electrically connected to the first module block (3022) of the lower jaw. The two driving units (3024) are mainly arranged behind the feeding mechanism (200) through the mold splitting mechanism (300), and are used to connect the upper mold (PU) and the lower mold (PU) of the plasticizing mold (P) PD) to perform mold splitting. Specifically, the mold splitting mechanism (300) clamps the lower mold (PD) of the plasticizing mold (P) by the upper clamping claw (301), and then clamps the lower mold (PD) of the plasticizing mold (P) by the lower clamping claw (302). ) deforms the upper mold (PU) with the amount of overpressure, causing a gap to separate the upper mold (PU) and the lower mold (PD). The ground clamp (301) is further pulled upward and moved to the inspection station for inspection. The step after step two (S2) and before step three (S3) further includes the following steps (S21): a remaining material detection step, through a remaining material detection mechanism (400), the lower mold (PD) and the contact lens The lens (G) is used to detect the remaining material, and based on this, it is used to detect the quality of the contact lens in the mold under the plastic mold.

Step 3 (S3): Turning step. Please also refer to Figure 15, which is a perspective view of the turning mechanism of a preferred embodiment of the contact lens demoulding equipment of the present invention. It is to turn the inspected plasticizing mold (P ) The lower mold (PD) is placed on the carrier tray (510), and the flipping mechanism (500) uses a flip drive unit (520) to move the carrier tray (510) through the mold splitting mechanism (300). A 180-degree flip is performed to flip the lower mold (PD) and the contact lens lens (G) retained after mold separation, so that the contact lens lens (G) side is placed upward.

Between the third step (S3) and the fourth step (S4), the following step (S31) is further included: the pre-clamping step, please also refer to Figure 16, which is one of the contact lens demoulding equipment of the present invention. A three-dimensional view of the pre-clamping mechanism of the preferred embodiment, which uses a pre-clamping mechanism (600) to enable it to pass a pre-clamping jaw module (610) to the lower mold (PD) of the plasticizing mold (P). ) applies at least one lateral pressure to create a micro gap between the contact lens lens (G) and the lower mold (PD), which can effectively improve the integrity and success of the finished lens after the post-processing process. The pre-clamping jaw module (610) and the lower clamping jaw (302) have substantially the same structure, so they will not be described again here.

Step 4 (S4): In the lens ejection step, the lower mold (PD) is extruded by the ejector module (20) through the top film mechanism (100) provided after the flipping mechanism (500). , the contact lens lens (G) is separated from the lower mold (PD); when the present invention is actually implemented, the clamp module (10) of the top piece mechanism (100) can clamp and fix the plasticizing mold (P) ) lower mold (PD), and presses the outer ring of the lower mold (PD) of the plasticizing mold (P) through the outer ejector pin (22) of the ejector pin module (20); then, the inner The ejector pin (21) then presses the center of the lower mold (PD) of the plasticizing mold (P), and then gradually creates a gap in the contact lens lens (G) of the plasticizing mold (P) in a staggered lifting manner. Complete peeling can effectively reduce the peeling fragmentation rate.

Step Five (S5): The step of removing the lens by the robotic arm. Please also refer to Figure 17, which is a schematic diagram of the lens removal action of a preferred embodiment of the contact lens demolding equipment of the present invention. The contact lens demoulding equipment (1000) passes through the robot take-up mechanism (700) located behind the top film mechanism (100), and removes the contact lens lens (G) from the suction nozzle (710). The lower mold (PD) is taken out and placed on a glass carrier; the robot arm of the robot pick-up mechanism (700) can effectively drive the suction nozzle clamp and take the contact lens lens (G) to the glass of the automatic optical inspection station vehicle. Among them, the negative pressure air of the suction nozzle (710) of the suction nozzle gripper sucks the contact lens lens (G) through the hole in the outer ring of the suction nozzle (710) to the insertion point, and then the positive pressure air blows and releases the contact lens lens (G) through the central hole. G), in order to prevent the lens from being easily misaligned due to air flow.

Step six (S6): the step of automatic optical inspection of the lens, detecting the quality of the contact lens lens (G) through at least one inspection station; and step seven (S7): the step of sorting and sorting out the materials, the step of inspecting the contact lens lens (G) G) for classifying and discharging materials; the contact lens demoulding equipment (1000) can effectively test the quality of the contact lens lenses (G) through the inspection station, and can achieve automatic peeling method, effectively improving the success of removing the lenses.

Furthermore, please refer to Figures 10 and 11 together, which are schematic diagrams and flow charts of two preferred embodiments of the contact lens demoulding equipment of the present invention. In another embodiment of the present invention, the contact lens demolding equipment The mold equipment is a dry film contact lens demoulding equipment, which is further provided with a remaining material detection mechanism (400). The remaining material detection mechanism (400) is provided between the top film mechanism (100) and the flipping mechanism (500). , used to detect the remaining material of the lower mold (PD) and the contact lens lens (G). A pre-ejection mechanism (800) is provided. The pre-ejection mechanism (800) is arranged between the feeding mechanism (200) and the mold splitting mechanism (300), and is clamped by a pre-ejection clamping jaw module (810). It is fixed on the lower mold (PD), and then presses down the lower mold (PD) with at least one pre-ejector pin (820) provided at one end of the pre-ejector clamping jaw module (810), so that the upper mold (PU) ) and the lower mold (PD) create a micro gap. Furthermore, the present invention further provides an operating method of a contact lens demolding equipment, which is suitable for a contact lens demolding equipment as described above (i.e., dry film contact lens demolding equipment), which at least includes the following steps:

Step 1 (S1): In the material feeding step, a plurality of the plasticizing molds (P) are provided through the feeding mechanism (200) for feeding material through the material tube, and the quantity of single feeding is adjusted according to the user's needs. . The step one (S1) and the step two (S2) further include the following step (S11): the pre-ejection molding step, please refer to Figures 18 to 19 as well, for removing the contact lens of the present invention. The three-dimensional view and the operation diagram of the pre-ejection mechanism of the second preferred embodiment of the mold equipment, in which the contact lens demolding equipment (1000) further has a pre-ejection mechanism (800), and molds through a pre-ejection clamping jaw The group (810) is clamped and fixed on the lower mold (PD), and then the lower mold (PD) is pressed down with at least one pre-ejector pin (820) provided at one end of the pre-ejector jaw module (810). A micro gap is generated between the upper mold (PU) and the lower mold (PD).

Step 2 (S2): Plasticizing mold parting step. Please also refer to Figures 20 to 21, which are three-dimensional views of the mold parting mechanism and mold parting mechanism of the second preferred embodiment of the contact lens demoulding equipment of the present invention. A three-dimensional view of the mechanism, which is used to separate the upper mold (PU) and the lower mold (PD) of the plasticizing mold (P) through the mold splitting mechanism (300) located behind the feeding mechanism (200). Carry out mold splitting; specifically, the upper clamping claw (301) of the mold splitting mechanism (300) clamps the lower mold (PD) of the fixed plasticizing mold (P), and the lower clamping claw (301) of the mold splitting mechanism (300) 302) clamps and fixes the upper mold (PU) of the plasticizing mold (P), and the lower clamping claw (302) exerts lateral pressure to slightly deform the upper mold (PU) and then pulls it downward to separate and plasticize it. The mold (P), the upper mold (PU) and the lower mold (PD).

Step Three (S3): Turning step, please refer to Figure 15, which is a perspective view of the turning mechanism of a preferred embodiment of the contact lens demoulding equipment of the present invention. Through the turning mechanism (500), it is disposed on the After the mold parting mechanism (300), it is used to flip the lower mold (PD) and the contact lens lens (G) retained after the mold parting. Specifically, it is to separate the lower mold (PD) and the contact lens (G) after mold parting. The glasses lens (G) is placed on a carrier tray (510), and the flip mechanism (500) is installed on the mold parting mechanism (300) and uses a flip drive unit (520) to carry out the operation on the carrier tray (510). The 180-degree flip allows the contact lens lens (G) side to be placed upward; the following steps (S32) are included after step three (S3) and before step four (S4): the residual material detection step, through a residual material The material detection mechanism (400) detects the remaining material of the lower mold (PD) and the contact lens lens (G), and based on this, is used to detect the quality of the contact lens in the mold under the plastic mold. After the step (S32) and before the fourth step (S4), the following step (S33) is further included: a clamping and pressing step, where the clamping jaw module (10) of the top sheet mechanism (100) clamps laterally. Hold the lower mold (PD) and press down and fix it on the outer ring of the lower mold (PD) through a pressing module (30), which can effectively suppress and position the plasticizing mold (P) to avoid displacement of the plasticizing mold. There is a problem when the lens is peeled off or it is difficult to peel off due to the adhesive properties of the lens.

Step 4 (S4): In the lens ejection step, the lower mold (PD) is extruded by the ejector module (20) through the top film mechanism (100) provided after the flipping mechanism (500). To separate the contact lens lens (G) and the lower mold (PD), the main method is to gradually press the spherical area of the lower mold (PD) of the plasticizing mold (P) through a progressive lifting method to achieve a close state. A micro-gap is created between the contact lens lens (G) and the plasticizing mold (P) until the mold (PD) and the contact lens lens (G) under the plasticizing mold (P) are completely peeled off, which can effectively reduce the peeling breakage rate.

Step five (S5): The robot arm takes out the lens step, through the robot arm taking out the lens mechanism (700) installed behind the top lens mechanism (100), and through the suction nozzle (710), the contact lens lens (G) Take out the lower mold (PD) and place it on a glass carrier; the robot arm of the robot pick-up mechanism (700) can effectively drive the suction nozzle clamp, and take the contact lens lens (G) to the automatic optical inspection station Glass carrier. Among them, the negative pressure air of the suction nozzle (710) of the suction nozzle gripper sucks the contact lens lens (G) through the hole in the outer ring of the suction nozzle (710) to the insertion point, and then the positive pressure air blows and releases the contact lens lens (G) through the central hole. G), in order to prevent the lens from being easily misaligned due to air flow.

Step six (S6): the step of automatic optical inspection of the lens, detecting the quality of the contact lens lens (G) through at least one inspection station; and step seven (S7): the step of sorting and sorting out the materials, the step of inspecting the contact lens lens (G) G) for classifying and discharging materials; the contact lens demoulding equipment (1000) can effectively test the quality of the contact lens lenses (G) through the inspection station, and can achieve automatic peeling method, effectively improving the success of removing the lenses.

It can be seen from the above implementation description that compared with the existing technologies and products, the present invention has the following advantages:

1. The ejector mechanism of the present invention uses the design of the inner ejector rod and the outer ejector rod to effectively separate the lens from the plastic mold, which is the main advantage of improving the success of lens removal.

2. The ejector module of the present invention gradually creates gaps and completely peels off the contact lens of the plasticizing mold through staggered lifting, progressive lifting or synchronous lifting, which can effectively reduce the peeling fragmentation rate.

To sum up, the top sheet mechanism and contact lens demolding equipment and their operating methods of the present invention can indeed achieve the expected effects through the above disclosed embodiments, and the present invention has not been disclosed before the application. Cheng has fully complied with the provisions and requirements of the patent law. If you submit an application for an invention patent in accordance with the law, I sincerely request you to review it and grant a patent, which will be of great benefit.

However, the above-mentioned illustrations and descriptions are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Generally, those familiar with the art will make other decisions based on the characteristics and scope of the present invention. Equivalent changes or modifications should be considered as not departing from the design scope of the present invention.

(100): Top piece mechanism (10): Gripper module (11): First module block (111): First opening and closing drive unit (12): Second module block (121): Second opening and closing drive unit (13): Accommodation tank (20): Ejector module (21): Inner ejector rod (211): Inner ejector linkage block (212): Inner ejector drive unit (22): Outer push rod (221): External ejector linkage block (222): External ejector drive unit (24): Bracket set (25): Track module (30): Suppression module (31): Pressed parts (311): Grooving (32): Pressure drive unit (200): Feeding mechanism (300): Mold splitting mechanism (301): Upper jaw (3011) Upper clamping jaw first module block (3012) Upper clamping jaw second module block (302): Lower jaw (3021) Lower clamping jaw first module block (3022) Lower clamping jaw second module block (3023) Lower clamping jaw first drive unit (3024) Lower jaw second drive unit (400): Remaining material detection mechanism (500): flip mechanism (510): load disk (520): Flip drive unit (600): Pre-clamping mechanism (610): Pre-clamping jaw module (700): Robotic arm pickup mechanism (710): Nozzle (800): Pre-jacking mechanism (810): Pre-clamping jaw module (820): Pre-ejector rod (1000): Contact lens release equipment (P): Plasticizing mold (PU): upper mold (PD): Lower mold (G): Lens (S1): Step 1 (S2): Step 2 (S3): Step three (S4): Step 4 (S5): Step five (S6): Step six (S7): Step seven (S11), (S21), (S31), (S32), (S33): steps

Figure 1: A three-dimensional view of the ejector module of a preferred embodiment of the ejector mechanism of the present invention. Figure 2: A perspective view of a preferred embodiment of the top sheet mechanism of the present invention. Figure 3A: Side view of a preferred embodiment of the top sheet mechanism of the present invention. Figure 3B: Another side view of a preferred embodiment of the top sheet mechanism of the present invention. Figure 4A: Schematic diagram (1) of the operation of a preferred embodiment of the top sheet mechanism of the present invention. Figure 4B: Schematic diagram (2) of the operation of a preferred embodiment of the top sheet mechanism of the present invention. Figure 4C: Schematic diagram (3) of the operation of a preferred embodiment of the top sheet mechanism of the present invention. Figure 5: A perspective view of the clamping jaw module of a preferred embodiment of the top plate mechanism of the present invention. Figure 6: A perspective view of the second preferred embodiment of the top sheet mechanism of the present invention. Figure 7A: Side view of the second preferred embodiment of the top sheet mechanism of the present invention. Figure 7B: Another side view of the second preferred embodiment of the top sheet mechanism of the present invention. Figure 8: A schematic diagram of a preferred embodiment of the contact lens demoulding equipment of the present invention. Figure 9: A flow chart of a preferred embodiment of the contact lens demoulding equipment of the present invention. Figure 10: Schematic diagram of the second preferred embodiment of the contact lens demoulding equipment of the present invention. Figure 11: Flow chart of the second preferred embodiment of the contact lens demoulding equipment of the present invention. Figure 12: A three-dimensional view of the lower clamping claw of the mold parting mechanism of a preferred embodiment of the contact lens demolding equipment of the present invention. Figure 13: Schematic diagram of upper mold clamping of the mold parting mechanism of a preferred embodiment of the contact lens demoulding equipment of the present invention. Figure 14: Schematic diagram of the mold clamping under the mold parting mechanism of a preferred embodiment of the contact lens demoulding equipment of the present invention. Figure 15: A perspective view of the flipping mechanism of a preferred embodiment of the contact lens demolding equipment of the present invention. Figure 16: A perspective view of the pre-clamping mechanism of a preferred embodiment of the contact lens demolding equipment of the present invention. Figure 17: A schematic diagram of the lens taking action of a preferred embodiment of the contact lens demolding equipment of the present invention. Figure 18: A three-dimensional view of the pre-top mechanism of the second preferred embodiment of the contact lens demolding equipment of the present invention. Figure 19: Operation diagram of the pre-top mechanism of the second preferred embodiment of the contact lens demolding equipment of the present invention. Figure 20: A three-dimensional view of the mold separation mechanism of the second preferred embodiment of the contact lens demoulding equipment of the present invention. Figure 21: Schematic diagram of the mold parting mechanism of the second preferred embodiment of the contact lens demolding equipment of the present invention.

(20): Ejector module (21): Inner ejector rod (211): Inner ejector linkage block (212): Inner ejector drive unit (22): Outer push rod (221): External ejector linkage block (222): External ejector drive unit (24): Bracket set (25): Track module

Claims (11)

A contact lens demoulding equipment, including at least: A feeding mechanism (200) provides a plurality of plasticizing molds (P), wherein the plasticizing mold (P) includes an upper mold (PU) and a corresponding lower mold (PU) disposed on one side of the upper mold (PU). PD), wherein a contact lens (G) is provided between the upper mold (PU) and the lower mold (PD); A mold splitting mechanism (300) is provided after the feeding mechanism (200) and is used to split the upper mold (PU) and the lower mold (PD) of the plasticizing mold (P); A flipping mechanism (500) is provided behind the mold parting mechanism (300), and is used to flip the lower mold (PD) and the contact lens lens (G) retained after mold splitting; A top piece mechanism (100) is installed behind the flipping mechanism (500), and uses a top rod module (20) to squeeze the lower mold (PD) so that the contact lens lens (G) and the lower mold are pressed together. Die (PD) separate; A robotic lens taking mechanism (700) is provided behind the top lens mechanism (100), and is provided with a suction nozzle (710) for taking out the contact lens lens (G) from the lower mold (PD) and placing it on a glass carrier; The top piece mechanism (100) at least includes: A clamping jaw module (10) includes at least a first module block (11) and a second module block (12), and the first module block (11) and the second module block (12) A plurality of accommodation slots (13) are formed between 12); A push rod module (20) includes a plurality of inner push rods (21) and a plurality of corresponding outer push rods (22) surrounding the inner push rod (21), wherein a plurality of the inner push rods (21) ) and a plurality of the outer push rods (22) are correspondingly arranged below the accommodating groove (13); The plurality of outer ejector pins (22) of the ejector pin module (20) are in contact with an outer ejector pin linkage block (221) at the other end of the accommodation groove (13). The outer ejector pin linkage block (221) ) is further provided with an outer ejector driving unit (222) on one side; and a plurality of the inner ejector pins (21) of the ejector module (20) are in contact with an inner ejector at the other end of the accommodating groove (13). Rod linkage block (211), one side of the inner ejector rod linkage block (211) is further provided with an inner ejector rod driving unit (212), wherein the inner ejector rod driving unit (212) and the outer ejector rod driving unit (222) System is set in parallel. The contact lens demoulding equipment according to claim 1 is further provided with a residual material detection mechanism (400), which is disposed between the mold splitting mechanism (300) and the turning mechanism (500). , used to detect the remaining material of the lower mold (PD) and the contact lens lens (G). The contact lens demoulding equipment according to claim 2 is further provided with a pre-clamping mechanism (600). The pre-clamping mechanism (600) is disposed between the top sheet mechanism (100) and the flipping mechanism (500). A pre-clamping jaw module (610) applies at least one lateral pressure to the lower mold (PD) of the plasticizing mold (P) to create a micro gap between the contact lens lens (G) and the lower mold (PD). . The contact lens demoulding equipment according to claim 1 is further provided with a remaining material detection mechanism (400), and the remaining material detection mechanism (400) is provided between the top sheet mechanism (100) and the flipping mechanism (500) , used to detect the remaining material of the lower mold (PD) and the contact lens lens (G). The contact lens demoulding equipment described in claim 4 is further provided with a pre-ejection mechanism (800), and the pre-ejection mechanism (800) is disposed between the feeding mechanism (200) and the mold-parting mechanism (300), It is clamped and fixed to the lower mold (PD) through a pre-ejector clamp module (810), and then pressed down by at least one pre-ejector pin (820) provided at one end of the pre-ejector clamp module (810). The lower mold (PD) creates a micro gap between the upper mold (PU) and the lower mold (PD). An operating method of contact lens demolding equipment, suitable for the contact lens demolding equipment (1000) described in claim 1, which at least includes the following steps: Step one (S1): feeding step, providing a plurality of plasticizing molds (P) through the feeding mechanism (200); Step 2 (S2): The plasticizing mold parting step is through the mold parting mechanism (300), which is arranged behind the feeding mechanism (200) and is used to separate the upper mold (PU) of the plasticizing mold (P). Part the mold with the lower mold (PD); Step three (S3): flipping step, through the flipping mechanism (500), which is arranged behind the mold parting mechanism (300), to flip the lower mold (PD) and the contact lens lens (G) retained after mold splitting ); Step 4 (S4): In the lens ejection step, the lower mold (PD) is extruded by the ejector module (20) through the top film mechanism (100) provided after the flipping mechanism (500). , separating the contact lens lens (G) and the lower mold (PD); Step five (S5): The robot arm takes out the lens step, through the robot arm taking out the lens mechanism (700) installed behind the top lens mechanism (100), and through the suction nozzle (710), the contact lens lens (G) Take out the lower mold (PD) and place it on a glass carrier; Step six (S6): Automatic optical lens detection step, detecting the quality of the contact lens lens (G) through at least one testing station; and Step Seven (S7): Classification and discharging step. After testing, the contact lens lenses (G) are classified and discharged. The operation method of the contact lens demoulding equipment as described in claim 6, wherein after the second step (S2) and before the third step (S3), the following steps (S21) are further included: a remaining material detection step, through a remaining material detection step The mechanism (400) detects the remaining material of the lower mold (PD) and the contact lens lens (G). The operation method of the contact lens demolding equipment as described in claim 7, wherein between the step three (S3) and the step four (S4), the following step (S31) is further included: a pre-clamping step, through a pre-clamping step The mechanism (600) enables it to exert at least one lateral pressure on the lower mold (PD) of the plasticizing mold (P) through a pre-clamping jaw module (610), so that the contact lens lens (G) and This lower mold (PD) generates micro gaps. The operation method of the contact lens demolding equipment as described in claim 6, wherein the following step (S11) is further included between the step one (S1) and the step two (S2): a pre-ejection molding step, through a pre-ejection molding step The top mechanism (800) is clamped and fixed to the lower mold (PD) through a pre-top clamp module (810), and then at least one pre-top provided at one end of the pre-top clamp module (810) The rod (820) presses down the lower mold (PD) to create a micro gap between the upper mold (PU) and the lower mold (PD). The operation method of the contact lens demolding equipment as described in claim 9, wherein after the third step (S3) and before the fourth step (S4), the following steps (S32) are further included: a remaining material detection step, through a remaining material detection step The mechanism (400) detects the remaining material of the lower mold (PD) and the contact lens lens (G). The operating method of contact lens demolding equipment as described in claim 10, wherein after the step (S32) and before the step four (S4), the following step (S33) is further included: a clamping and pressing step, through the top sheet The clamp module (10) of the mechanism (100) laterally clamps the lower mold (PD), and is pressed and fixed to the outer ring of the lower mold (PD) through a pressing module (30).