Dry contact lens carrying mechanism

Abstract

The utility model relates to the technical field of automatic production of contact lenses, in particular to a dry contact lens carrying mechanism which comprises a carrying ring frame, a plurality of carrying sliding tables for loading dry lens carriers, a positioning component for positioning the carrying sliding tables and a carrying driving device for driving the carrying ring frame to feed, the carrying driving device drives the carrying ring frame to rotate in the dry piece operation direction, drives the carrying sliding table to move on the carrying ring frame, and then drives the dry piece carrier to move. The carrying sliding table is positioned by the positioning assembly, so that the positioning of the dry sheet carrier is realized; according to the dry contact lens carrying mechanism, continuous and automatic feeding of a plurality of dry lens carriers is achieved, continuous operation of a plurality of dry lenses is facilitated, the operation efficiency is improved, and batch operation processing of the dry lenses is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to contact lens automation production technical field, specifically is a kind of contact lens dry piece carrying mechanism. BACKGROUND

[0002] In the production of color contact lenses, the conventional lens pattern printing is to print the pattern in the mold, and then to form the liquid raw material in the mold to achieve the color printing effect. This method is relatively complex in the whole process, and it is not possible to quickly produce color contact lenses in large quantities.

[0003] Dry piece printing is a special contact lens manufacturing process. If the printing is placed after the mold separation and piece taking, the production of all previous processes is independent of the pattern style, and it can be mass-produced according to the colorless transparent piece, which is convenient for production scheduling and saves production cost. After mold separation and piece taking, the dry piece is printed with different patterns and colors to become different personalized beauty lens products.

[0004] Currently, the technical support of related equipment is relatively weak, and there is no mature equipment that can directly print on dry pieces. Dry pieces are very fragile before hydration and immersion, and are easily damaged. Therefore, when processing dry pieces, such as printing on dry pieces, how to carry and transport the dry pieces is a technical problem that needs to be solved urgently. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a contact lens dry piece carrying mechanism that can automatically carry dry pieces and facilitate batch processing of dry pieces.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0007] A contact lens dry piece carrying mechanism includes a carrying ring frame, a plurality of carrying slides for loading dry piece carriers, a positioning assembly for positioning the carrying slides, and a carrying drive device for driving the carrying ring frame to feed. The carrying slides are assembled on the carrying ring frame.

[0008] When working, the carrying drive device drives the carrying ring frame to rotate along the dry piece processing direction, drives the carrying slides to move on the carrying ring frame, and then drives the dry piece carriers to move. The positioning assembly positions the carrying slides, thereby positioning the dry piece carriers.

[0009] Further, the carrying ring frame includes a ring track, a transmission wheel and a transmission belt. The transmission belt is wound around the two transmission wheels, and a plurality of transmission protrusions for connecting the carrying slides are provided on the transmission belt. The carrying slides are slidingly assembled on the ring track, and the carrying slides are assembled and connected with the transmission protrusions. The output end of the carrying drive device is connected and drives the transmission wheel to rotate, and the transmission belt drives the carrying slides to move on the ring track through the transmission protrusions.

[0010] Further, the carrying slide table comprises a slide table carrier plate for mounting the dry plate carrier and slide table side plates mounted on both sides of the slide table carrier plate; the lower end of the slide table side plate on one side is provided with a slide table clamping groove for assembly connection with the transmission protrusion, and the outer end face of the slide table side plate on the other side is provided with a positioning groove plate for cooperation with the positioning assembly; the inner side of the slide table side plate is provided with a sliding roller for assembly with the annular track.

[0011] Further, the positioning assembly comprises a positioning wedge block and a positioning driving device for driving the positioning wedge block to be embedded in the positioning groove plate.

[0012] Further, a plurality of positioning wedge blocks are mounted on a positioning rod, and the positioning rod is rotationally mounted on a positioning shaft seat; the execution end of the positioning driving device is drivingly connected with a driving connecting rod, one end of the driving connecting rod is rotationally connected with the positioning driving device, and the other end of the driving connecting rod is connected with the positioning rod.

[0013] The positioning driving device pushes the driving connecting rod, the driving connecting rod drives the positioning rod to rotate with the positioning shaft seat as a reference, and then the positioning rod drives the positioning wedge block to rotate and embed the positioning wedge block in the positioning groove plate.

[0014] Further, the dry plate carrier comprises a carrier base and a dry plate suction head mounted on the carrier base for sucking the dry plate; the carrier base is provided with an air path port, and the air path port is connected with the dry plate suction head.

[0015] Further, the carrier base is provided with an internal air path, the dry plate suction head is provided with a plurality of plate suction holes, the air path port is mounted on one side port of the internal air path, and the dry plate suction head is mounted on the other side port of the internal air path; the air path port, the internal air path and the plate suction holes are communicated.

[0016] Further, a plurality of air path ports are connected with a gas and electricity slip ring, and the gas and electricity slip ring is connected with an external air extraction device.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] When the present dry plate carrying mechanism for contact lenses works, the carrying driving device drives the carrying ring frame to rotate along the dry plate operation direction, drives the carrying slide table to move on the carrying ring frame, and then drives the dry plate carrier to move; the positioning assembly positions the carrying slide table, and then realizes the positioning of the dry plate carrier; the present dry plate carrying mechanism for contact lenses realizes continuous automatic feeding of a plurality of dry plate carriers, facilitates continuous operation of a plurality of dry plates, improves operation efficiency, and facilitates batch operation processing of the dry plates. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present utility model.

[0020] Figure 2 is a three-dimensional structure schematic view of the utility model;

[0021] Figure 3 is Figure 2 is an enlarged structure schematic view of the middle B;

[0022] Figure 4 is a structure schematic view of another perspective of the utility model;

[0023] Figure 5 is a schematic view of the internal structure of the dry sheet carrier of the utility model. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Reference Figures 1-5 As shown in the figure, a contact lens dry sheet carrying mechanism includes a carrying ring frame 320, a plurality of carrying sliding tables 340 for loading dry sheet carriers 800, a positioning assembly 330 for positioning the carrying sliding tables 340, and a carrying drive device 310 for driving the carrying ring frame 320; the carrying sliding tables 340 are assembled on the carrying ring frame 320; during operation, the carrying drive device 310 drives the carrying ring frame 320 to rotate along the dry sheet operation direction, drives the carrying sliding tables 340 to move on the carrying ring frame 320, and then drives the dry sheet carriers 800 to move; the carrying sliding tables 340 are positioned by the positioning assembly 330, and then the dry sheet carriers 800 are positioned.

[0026] In actual use, the carrying drive device 310 can adopt a driving motor, and the positioning assembly 330 positions the carrying sliding tables 340, so that the carrying sliding tables 340 can be stopped at predetermined dry sheet feeding, discharging and dry sheet color printing stations as needed; the contact lens dry sheet carrying mechanism realizes continuous automatic feeding of a plurality of dry sheet carriers 800, facilitates continuous operation of a plurality of dry sheets, improves operation efficiency, and facilitates batch operation processing of the dry sheets.

[0027] In this embodiment, the carrying ring frame 320 includes a ring-shaped track 321, a transmission wheel 322 and a transmission belt 323; the transmission belt 323 is wound around the two transmission wheels 322, and a plurality of transmission protrusions 324 for connecting the carrying sliding tables 340 are arranged on the transmission belt 323; the carrying sliding tables 340 are slidingly assembled on the ring-shaped track 321 and are assembled and connected with the transmission protrusions 324.

[0028] The output end of the carrying driving device 310 is connected and drives the transmission wheel 322 to rotate, the transmission wheel 322 drives the transmission belt 323 to rotate, the transmission belt 323 drives the carrying slide table 340 to move on the annular track 321 through the transmission block 324, realizes the loop circulation of the dry plate carrier 800, continuously transports the dry plate to be operated to the operation direction, improves the carrying efficiency, and facilitates batch operation processing of the dry plate.

[0029] In the embodiment, the carrying slide table 340 includes a slide table carrier plate 342 for mounting the dry plate carrier 800 and slide table side plates 341 mounted on both sides of the slide table carrier plate 342; the lower end of the slide table side plate 341 on one side is provided with a slide table clamping groove 343 for assembly connection with the transmission block 324, and the outer end face of the slide table side plate 341 on the other side is provided with a positioning groove plate 345 for cooperation with the positioning assembly 330; the inner side of the slide table side plate 341 is provided with a sliding roller 344 for assembly with the annular track 321.

[0030] Specifically, the dry plate carrier 800 is mounted on the slide table carrier plate 342, and the slide table side plates 341 are arranged on both sides of the slide table carrier plate 342; the inner side end face of the slide table side plate 341 is provided with a sliding roller 344 for rolling abutment with the annular track 321 to assist the slide table carrier plate 342 to slide; the lower end of the slide table side plate 341 on one side is provided with a slide table clamping groove 343 for assembly with the sliding block 324, and the outer end face of the slide table side plate 341 on the other side is provided with a positioning groove plate 345 for positioning of the carrying slide table 340 by the positioning assembly 330.

[0031] In the embodiment, the positioning assembly 330 includes a positioning wedge block 335 and a positioning driving device 331 for driving the positioning wedge block 335 to be embedded in the positioning groove plate 345; specifically, the positioning driving device 331 can be a pneumatic cylinder for driving the positioning wedge block 335 to be embedded in the positioning groove plate 345.

[0032] In the embodiment, a plurality of positioning wedge blocks 335 are mounted on a positioning rod 333, and the positioning rod 333 is rotatably mounted on a positioning shaft seat 332; the driving end of the positioning driving device 331 is drivingly connected with a driving link 334, one end of the driving link 334 is rotatably connected with the positioning driving device 331, and the other end of the driving link 334 is connected with the positioning rod 333.

[0033] In operation, the positioning driving device 331 pushes the driving link 334 to drive the driving link 334 to drive the positioning rod 333 to rotate with the positioning shaft seat 332 as a reference, and then the positioning rod 333 drives the positioning wedge block 335 to rotate and embed the positioning wedge block 335 in the positioning groove plate 345.

[0034] Specifically, the positioning driving device 331 pushes the driving connecting rod 334, the driving connecting rod 334 in turn drives the positioning rod 333 to rotate, the rotation of the positioning rod 333 further drives the positioning wedge block 335 to rotate, so that the end of the positioning wedge block 335 is embedded in the positioning groove plate 345, and the positioning of the whole carrying sliding table 340 is completed.

[0035] In the embodiment, the dry film carrier 800 comprises a carrier base 810 and a dry film suction head 830 mounted on the carrier base 810 for sucking the dry film; the carrier base 810 is provided with an air path port 820 connected with the dry film suction head 830; the carrier base 810 is provided with an internal air path 811, the dry film suction head 830 is provided with a plurality of film suction holes 831, the air path port 820 is mounted on one side port of the internal air path 811, and the dry film suction head 830 is mounted on the other side port of the internal air path 811; the air path port 820, the internal air path 811 and the film suction hole 831 are communicated; a plurality of air path ports 820 are connected with an air and electricity slip ring 840, and the air and electricity slip ring 840 is connected with an external air extraction equipment;

[0036] Specifically, the external air extraction equipment is used for air extraction, air distribution is carried out through the air and electricity slip ring 840, and a plurality of air path ports 820 are connected; when the dry film is placed on the dry film suction head 830, the film suction hole 831 is blocked, negative pressure is formed, the dry film is adsorbed and stabilized on the dry film suction head 830, and the loading of the dry film is realized.

[0037] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the range defined by the spirit of the utility model.

Claims

1. A contact lens dry sheet carrier, characterized by, The carrier ring frame (320), a plurality of carrier sliding platforms (340) for loading the dry sheet carrier (800), a positioning assembly (330) for positioning the carrier sliding platform (340), and a carrier driving device (310) for driving the carrier ring frame (320) to feed; the carrier sliding platform (340) is assembled on the carrier ring frame (320); In operation, the carrier driving device (310) drives the carrier ring frame (320) to rotate along the dry sheet operation direction, drives the carrier sliding platform (340) to move on the carrier ring frame (320), and further drives the dry sheet carrier (800) to move; the positioning assembly (330) positions the carrier sliding platform (340), thereby realizing the positioning of the dry sheet carrier (800).

2. A contact lens dry pack carrier mechanism according to claim 1, wherein, The carrier ring frame (320) comprises a ring track (321), a transmission wheel (322) and a transmission belt (323); the transmission belt (323) is arranged around the two transmission wheels (322), and a plurality of transmission protrusions (324) for connecting the carrier sliding platform (340) are arranged on the transmission belt (323); the carrier sliding platform (340) is slidingly assembled on the ring track (321), and the carrier sliding platform (340) is assembled and connected with the transmission protrusions (324). The output end of the carrier driving device (310) is connected with and drives the transmission wheel (322) to rotate, the transmission wheel (322) drives the transmission belt (323) to rotate, and the transmission belt (323) drives the carrier sliding platform (340) to move on the ring track (321) through the transmission protrusions (324).

3. A contact lens dry pack carrier mechanism according to claim 2, wherein, The carrier sliding platform (340) comprises a sliding platform carrier plate (342) for mounting the dry sheet carrier (800) and sliding platform side plates (341) mounted on both sides of the sliding platform carrier plate (342); the lower end of the sliding platform side plate (341) on one side is provided with a sliding platform clamping groove (343) for assembly connection with the transmission protrusion (324), and the outer end surface of the sliding platform side plate (341) on the other side is provided with a positioning groove plate (345) for cooperation with the positioning assembly (330); the inner side of the sliding platform side plate (341) is provided with a sliding roller (344) for assembly with the ring track (321).

4. A contact lens dry pack carrier mechanism according to claim 3, wherein, The positioning assembly (330) comprises a positioning wedge block (335) and a positioning driving device (331) for driving the positioning wedge block (335) to be embedded in the positioning groove plate (345).

5. A contact lens dry pack carrier mechanism according to claim 4, wherein, A plurality of positioning wedge blocks (335) are mounted on a positioning rod (333), and the positioning rod (333) is rotatably mounted on a positioning shaft seat (332); the actuating end of the positioning driving device (331) is drivingly connected with a driving connecting rod (334), one end of the driving connecting rod (334) is rotatably connected with the positioning driving device (331), and the other end is connected with the positioning rod (333); The positioning driving device (331) pushes the driving connecting rod (334), the driving connecting rod (334) drives the positioning rod (333) to rotate with the positioning shaft seat (332) as a reference, and then the positioning rod (333) drives the positioning wedge block (335) to rotate and embeds the positioning wedge block (335) in the positioning groove plate (345).

6. The contact lens dry pack carrier of claim 1, wherein, The dry plate carrier (800) comprises a carrier base (810) and a dry plate suction head (830) mounted on the carrier base (810) for sucking the dry plate; the carrier base (810) is provided with an air path port (820) connected with the dry plate suction head (830).

7. A contact lens dry pack carrier mechanism according to claim 6, wherein, The carrier base (810) is provided with an internal air path (811), the dry plate suction head (830) is provided with a plurality of plate suction holes (831), the air path port (820) is mounted on one side port of the internal air path (811), and the dry plate suction head (830) is mounted on the other side port of the internal air path (811); the air path port (820), the internal air path (811) and the plate suction hole (831) are communicated.

8. A contact lens dry pack carrier mechanism according to claim 7, wherein, A plurality of air path ports (820) are connected with a gas and electricity slip ring (840), and the gas and electricity slip ring (840) is connected with an external air extraction device.

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