Contact lens mold splitting and taking equipment

Abstract

The utility model relates to the technical field of contact lens automatic production, in particular to contact lens mold splitting and taking equipment which comprises a mold bin, a mold feeding unit, a mold turntable unit and a taking unit, the mold feeding unit picks up a mold to be split from the mold bin and moves the mold to be split to the mold opening unit, the mold opening unit opens the mold to separate an upper mold from a lower mold and moves the lower mold with a lens to the mold rotating disc unit, and the mold rotating disc unit conveys the lower mold with the lens to the lens taking unit. The lens taking unit takes the lens out of the lower die, and the die turntable unit moves the unloaded lower die out of the lens taking unit; according to the mold splitting and taking equipment for the contact lenses, the mold feeding unit can perform continuous loading and feeding actions, is matched with the mold opening unit and the mold turntable unit to perform high-efficiency mold opening actions and is matched with the taking unit to operate, so that the whole process of automatic operation from loading to taking is realized, the time and the labor cost of manual mold splitting and taking actions are reduced, and the production efficiency is improved. The contact lens production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to contact lens automation production technical field, concretely is a contact lens mold separating and taking equipment. BACKGROUND

[0002] In the production stage of contact lens demolding separation, artificial operation is usually adopted, the labor intensity of this mode is too large, the production efficiency is relatively low, and the lens is easily damaged, and the finished product rate and the qualified rate of the product produced by the artificial mode are relatively low.

[0003] In the prior art, part adopts a mold separating mechanism or a demolding equipment to assist processing, but the overall automation adaptation capability is weak, still relies on manual feeding and transfer handling, and there is still much room for improvement in automatic production. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of contact lens mold separating and taking equipment, which can be automatically fed, high-efficiency demolding and taking, and automatically collected.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] A kind of contact lens mold separating and taking equipment, including mold stock bin, for picking up and transporting the mold unit of mold to be separated, for carrying the mold rotating disc unit of opened mold and picking up the lens taking unit;

[0007] When working, the mold unit picks up the mold to be separated from the mold stock bin, and moves the mold to be separated to the mold opening unit, the mold opening unit opens the mold to separate the upper mold from the lower mold, the mold opening unit moves the lower mold with lens to the mold rotating disc unit, the mold rotating disc unit transports the lower mold with lens to the lens taking unit, the lens taking unit takes out the lens from the lower mold, and the mold rotating disc unit removes the empty lower mold from the lens taking unit.

[0008] Further, the mold stock bin is provided with a disc carrying unit for carrying a disc;The disc carrying unit includes a disc displacement driving device, a disc lifting driving device drivingly connected to the execution end of the disc displacement driving device, and a disc tool drivingly connected to the execution end of the disc lifting driving device.

[0009] When working, the disc lifting driving device drives the disc tool to move up and down, the disc displacement driving device drives the disc lifting driving device to move, and then drives the disc tool to move, so as to move the mold-loaded disc from the outside into the mold stock bin, and move the empty disc from the mold stock bin to the outside.

[0010] Further, the mold feeding unit comprises a mold displacement driving device, a mold lifting driving device connected with the execution end of the mold displacement driving device, a mold pickup tool connected with the execution end of the mold lifting driving device, and a feeder;

[0011] In operation, the mold displacement driving device drives the mold lifting driving device to move with the mold pickup tool between the mold magazine discharge end and the feeder, and the mold pickup tool carries the mold to be separated from the mold magazine to the feeding end of the feeder; the discharge end of the feeder is connected with the mold opening unit, and the feeder feeds the mold to be separated into the mold opening unit.

[0012] Further, the lens taking unit is further provided with a lens magazine at the discharge end; the lens taking unit comprises a first lens taking mechanism, a second lens taking mechanism, a lens temporary storage mechanism, and a lens displacement driving device for driving the first lens taking mechanism and the second lens taking mechanism to move.

[0013] In operation, the first lens taking mechanism takes the lens from the lower mold at the mold disc unit and places the lens on the lens temporary storage mechanism; the second lens taking mechanism places the temporarily stored lens into the lens magazine from the lens temporary storage mechanism.

[0014] Further, the lens taking unit comprises an anti-collision mechanism; the anti-collision mechanism comprises a trigger piece installed on the second lens taking mechanism and a photoelectric sensor installed on the first lens taking mechanism; the photoelectric sensor is signal connected with the lens displacement driving device.

[0015] When the first lens taking mechanism approaches the second lens taking mechanism, the trigger piece triggers the photoelectric sensor, the photoelectric sensor transmits a collision signal to the lens displacement driving device, and the lens displacement driving device drives the first lens taking mechanism and the second lens taking mechanism to pause.

[0016] Further, the first lens taking mechanism comprises a first connecting plate connected with the execution end of the lens displacement driving device, a first lens lifting driving device installed on the first connecting plate, and a first lens tool connected with the execution end of the first lens lifting driving device.

[0017] In operation, after the lens displacement driving device drives the first lens lifting driving device to a specified position, the first lens lifting driving device drives the first lens tool to pick up and place the lens.

[0018] Further, the lens temporary storage mechanism comprises a temporary storage rack and a plurality of lens fixing tools installed on the temporary storage rack.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0020] In actual use, the mold opening unit opens and separates the upper mold and the lower mold, only keeps the lower mold and the lens in the lower mold, sends the lens and the lower mold into the mold turntable unit together, adopts automatic mold opening and mold separating action, improves the overall mold separating efficiency, and reduces lens and mold loss caused by manual operation; the lens taking unit performs batch automatic operation to take the lens out of the lower mold of the mold turntable unit, the mold turntable unit moves the empty lower mold out of the lens taking unit, and finally, the lens taking action is completed.

[0021] The whole structure of the contact lens mold separating and lens taking equipment is compact, the mold feeding unit can continuously feed, the mold opening unit and the mold turntable unit cooperate to perform high-efficiency mold opening action, the lens taking unit cooperates to realize automatic operation from feeding to lens taking, reduces the time and labor cost of manual mold separating and lens taking action, and improves the efficiency of contact lens production. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the contact lens mold separating and lens taking equipment.

[0023] Figure 2 It is a structural schematic view of the contact lens mold separating and lens taking equipment.

[0024] Figure 3 It is Figure 2 It is an enlarged schematic view of A in the middle.

[0025] Figure 4 It is a structural schematic view of the lens taking unit.

[0026] Figure 5 It is a schematic view of another perspective of the lens taking unit. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application.

[0028] Reference Figures 1-5As shown, a contact lens mold splitting and lens picking device includes a mold warehouse 100, a mold feeding unit 300 for picking and conveying the mold to be split, a mold opening unit 400 for opening the mold, a mold carousel unit 500 for carrying the opened mold, and a lens picking unit 600 for picking the lens; in operation, the mold feeding unit 300 picks the mold to be split from the mold warehouse 100, the mold opening unit 400 moves the mold to be split into the mold opening unit 400, the mold opening unit 400 opens the mold to separate the upper mold from the lower mold, and moves the lower mold with the lens to the mold carousel unit 500, the mold carousel unit 500 conveys the lower mold with the lens to the lens picking unit 600, the lens picking unit 600 picks the lens from the lower mold, and the mold carousel unit 500 moves the empty lower mold out of the lens picking unit 600.

[0029] In actual application, the mold warehouse 100 stores the mold to be split, the mold feeding unit 300 continuously picks the mold to be split and feeds it into the mold opening unit 400, the mold opening unit 400 opens and separates the upper mold from the lower mold, only keeps the lower mold and the lens in the lower mold, feeds the lens and the lower mold into the mold carousel unit 500, uses automatic mold opening and splitting action to improve the overall splitting efficiency and reduce lens and mold loss caused by manual operation, and the lens picking unit 600 performs batch automatic operation to pick the lens from the lower mold in the mold carousel unit 500, the mold carousel unit 500 moves the empty lower mold out of the lens picking unit 600, and completes the final lens picking action.

[0030] The contact lens mold splitting and lens picking device has a compact overall structure, the mold feeding unit continuously performs feeding action, cooperates with the mold opening unit and the mold carousel unit to perform mold opening action with high efficiency, cooperates with the lens picking unit to realize automatic operation from feeding to lens picking, reduces the time and labor cost of manual mold splitting and lens picking action, and improves the overall production efficiency of contact lenses.

[0031] In this embodiment, the mold warehouse 100 is also provided with a tray carrying unit 200; the tray carrying unit 200 includes a tray displacement driving device 210, a tray lifting driving device 220 driving connected with the driving end of the tray displacement driving device 210, and a tray tool 230 driving connected with the driving end of the tray lifting driving device 220; in operation, the tray lifting driving device 220 drives the tray tool 230 to perform lifting movement, the tray displacement driving device 210 drives the tray lifting driving device 220 to move, and then drives the tray tool 230 to move, so as to carry the mold carrying tray from the outside into the mold warehouse 100, and carry the empty tray from the mold warehouse 100 to the outside.

[0032] Specifically, the tray displacement driving device 210 can adopt a linear motor; the tray lifting driving device 220 can adopt a pneumatic cylinder; the tray tool 230 can adopt a pneumatic gripper or a suction cup, etc. which can realize the tray grabbing and placing; and the tray unit 200 is used to realize the tray moving in and out of the mold magazine 100.

[0033] In the embodiment, the mold feeding unit 300 includes a mold displacement driving device 310, a mold lifting driving device 320 connected with the execution end of the mold displacement driving device 310, a mold picking tool 330 connected with the execution end of the mold lifting driving device 320, and a feeder 340; in operation, the mold displacement driving device 310 drives the mold lifting driving device 320 to move the mold picking tool 330 between the discharge end of the mold magazine 100 and the feeder 340, and the mold picking tool 330 carries the mold to be separated from the mold magazine 100 to the feeding end of the feeder 340; the discharge end of the feeder 340 is connected with the mold opening unit 400, and the feeder 340 feeds the mold to be separated into the mold opening unit 400.

[0034] Specifically, the feeder 340 can adopt a linear vibration feeder or other existing feeding mechanism, the mold picking tool 330 quickly carries the batch of molds in the mold magazine 100 to the feeder 340, and the feeder 340 continuously feeds the molds into the mold opening unit 400, so as to realize the continuous feeding of the molds and improve the overall efficiency of the mold separation.

[0035] In the embodiment, the mold opening unit 400 is used to open the upper mold and the lower mold, and collect the residual material of the upper mold, and the technical solution of the mold opening unit 400 can be realized by using the existing technology; the mold rotating disc unit 500 is used to transfer the lower mold carrying the lenses after the mold separation, and the mold rotating disc unit 500 can be realized by using the existing technology, so the detailed description is omitted.

[0036] In the embodiment, the lens material bin 700 is arranged at the discharging end of the lens taking unit 600. The lens taking unit 600 comprises a first lens taking mechanism 630, a second lens taking mechanism 620, a lens temporary storage mechanism 640, and a lens taking displacement driving device 610 for driving the first lens taking mechanism 630 and the second lens taking mechanism 620 to move. In operation, the first lens taking mechanism 630 takes the lens from the lower mold of the mold turntable unit 500 and places the lens on the lens temporary storage mechanism 640. The second lens taking mechanism 620 places the lens temporarily stored on the lens temporary storage mechanism 640 into the lens material bin 700. The lens taking unit 600 uses the first lens taking mechanism 630 and the second lens taking mechanism 620 in cooperation with the lens temporary storage mechanism 640, so that the working stroke of the first lens taking mechanism 630 and the second lens taking mechanism 620 is small, the lens taking and placing action is fast, the lens can be quickly transferred, the working efficiency is improved, and the structure is compact.

[0037] In the embodiment, the lens taking unit 600 comprises an anti-collision mechanism 650. The anti-collision mechanism 650 comprises a trigger piece 651 arranged on the second lens taking mechanism 620 and a photoelectric sensor 652 arranged on the first lens taking mechanism 630. The photoelectric sensor 652 is in signal connection with the lens taking displacement driving device 610. When the first lens taking mechanism 630 approaches the second lens taking mechanism 620, the trigger piece 651 triggers the photoelectric sensor 652. The photoelectric sensor 652 transmits a collision signal to the lens taking displacement driving device 610, and then drives the first lens taking mechanism 630 and the second lens taking mechanism 620 to pause.

[0038] Specifically, the anti-collision mechanism 650 is used to avoid the collision between the first lens taking mechanism 630 and the second lens taking mechanism 620. When the lens taking displacement driving device 610 fails or for other reasons, the first lens taking mechanism 630 and the second lens taking mechanism 620 are driven to be too close. The photoelectric sensor 652 is triggered to transmit a signal to the lens taking displacement driving device 610 and / or an external industrial control host computer, so as to pause the first lens taking mechanism 630 and the second lens taking mechanism 620 and avoid the collision.

[0039] In the embodiment, the first lens picking mechanism 630 comprises a first connecting plate 631 drivenly connected with the execution end of the lens displacement driving device 610, a first lens picking lifting driving device 632 installed on the first connecting plate 631, and a first lens picking tool 633 drivenly connected with the execution end of the first lens picking lifting driving device 632; in operation, the lens displacement driving device 610 drives the first lens picking lifting driving device 632 to a specified position, and then the first lens picking lifting driving device 632 drives the first lens picking tool 633 to pick up and place the lens. Specifically, the first lens picking lifting driving device 632 can be a cylinder, and the first lens picking tool 633 can be a suction nozzle or a clamping jaw, etc. which can realize the picking up and placing of the lens; under the driving of the lens displacement driving device 610, the first lens picking mechanism 630 picks up the lens from the lower mold and places it on the lens temporary storage mechanism 640.

[0040] In the embodiment, the second lens picking mechanism 630 has similar technical solutions and structures to the first lens picking mechanism 630; therefore, no further description is given, and the difference between the two lies in that the second lens picking mechanism 630 is used to pick up the lens from the lens temporary storage mechanism 640 and transfer it to the material receiving position.

[0041] In the embodiment, the lens temporary storage mechanism 640 comprises a temporary storage rack 641 and a plurality of lens fixing tools 642 installed on the temporary storage rack 641. Specifically, the lens fixing tool 642 is a lens suction nozzle, which ensures the stability of the lens during the lens picking and transferring process.

[0042] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the scope defined by the spirit of the present application.

Claims

1. A contact lens mold and sheeting apparatus, comprising: The mold warehouse (100), the mold feeding unit (300) for picking up and transporting the mold to be split, the mold opening unit (400) for opening the mold, the mold carousel unit (500) for carrying the opened mold, and the lens picking unit (600) for picking up the lens; In operation, the mold feeding unit (300) picks up the mold to be split from the mold warehouse (100) and moves it into the mold opening unit (400), the mold opening unit (400) opens the mold to separate the upper mold from the lower mold, the mold opening unit (400) moves the lower mold with the lens to the mold carousel unit (500), the mold carousel unit (500) transports the lower mold with the lens to the lens picking unit (600), the lens picking unit (600) takes the lens out of the lower mold, and the mold carousel unit (500) moves the empty lower mold out of the lens picking unit (600).

2. The contact lens mold and pick-up apparatus of claim 1, wherein, The mold warehouse (100) is provided with a tray carrying unit (200) for carrying the tray; the tray carrying unit (200) comprises a tray displacement driving device (210), a tray lifting driving device (220) drivingly connected to the execution end of the tray displacement driving device (210), and a tray tool (230) drivingly connected to the execution end of the tray lifting driving device (220); In operation, the tray lifting driving device (220) drives the tray tool (230) to perform lifting movement, the tray displacement driving device (210) drives the tray lifting driving device (220) to move, thereby driving the tray tool (230) to move, so as to realize the carrying of the mold-loaded tray from the outside into the mold warehouse (100) and the carrying of the empty tray from the mold warehouse (100) to the outside.

3. The contact lens mold and pick-up apparatus of claim 1, wherein, The mold feeding unit (300) comprises a mold displacement driving device (310), a mold lifting driving device (320) drivingly connected to the execution end of the mold displacement driving device (310), a mold picking tool (330) drivingly connected to the execution end of the mold lifting driving device (320), and a feeder (340); In operation, the mold displacement driving device (310) drives the mold lifting driving device (320) to move with the mold picking tool (330) between the discharge end of the mold warehouse (100) and the feeder (340), and the mold picking tool (330) carries the mold to be split from the mold warehouse (100) to the feeding end of the feeder (340); the discharge end of the feeder (340) is communicated with the mold opening unit (400), and the feeder (340) feeds the mold to be split into the mold opening unit (400).

4. The contact lens mold and pick-up apparatus of claim 1, wherein, The lens picking unit (600) is further provided with a lens warehouse (700) at the discharge end; the lens picking unit (600) comprises a first lens picking mechanism (630), a second lens picking mechanism (620), a lens temporary storage mechanism (640), and a lens displacement driving device (610) for driving the first lens picking mechanism (630) and the second lens picking mechanism (620) to move; In operation, the first lens picking mechanism (630) picks up the lens from the lower mold and places it on the lens temporary storage mechanism (640) from the mold carousel unit (500); the second lens picking mechanism (620) places the temporarily stored lens into the lens warehouse (700) from the lens temporary storage mechanism (640).

5. The contact lens mold and pick-up apparatus of claim 4, wherein, The lens picking unit (600) comprises an anti-collision mechanism (650); the anti-collision mechanism (650) comprises a trigger piece (651) installed on the second lens picking mechanism (620) and a photoelectric sensor (652) installed on the first lens picking mechanism (630); the photoelectric sensor (652) is in signal connection with the lens picking displacement driving device (610); When the first lens picking mechanism (630) approaches the second lens picking mechanism (620), the trigger piece (651) triggers the photoelectric sensor (652), and the photoelectric sensor (652) transmits the collision signal to the lens picking displacement driving device (610), which in turn drives the first lens picking mechanism (630) and the second lens picking mechanism (620) to pause.

6. The contact lens mold and pick-up apparatus of claim 4, wherein, The first lens picking mechanism (630) comprises a first connecting plate (631) in driving connection with the execution end of the lens picking displacement driving device (610), a first lens picking lifting driving device (632) installed on the first connecting plate (631), and a first lens picking tool (633) in driving connection with the execution end of the first lens picking lifting driving device (632). In operation, the lens picking displacement driving device (610) drives the first lens picking lifting driving device (632) to the specified position, and then the first lens picking lifting driving device (632) drives the first lens picking tool (633) to pick up and place the lens.

7. The contact lens mold and pick-up apparatus of claim 4, wherein, The lens temporary storage mechanism (640) comprises a temporary storage rack (641) and a plurality of lens fixing tools (642) installed on the temporary storage rack (641).

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