CN110667150A

CN110667150A - Automatic contact lens machine is got in drawing of patterns

Info

Publication number: CN110667150A
Application number: CN201911001377.8A
Authority: CN
Inventors: 苏延浩; 温定进
Original assignee: Suzhou Mao Te Si Automation Equipment Co Ltd
Current assignee: Suzhou Mao Te Si Automation Equipment Co Ltd
Priority date: 2019-08-26
Filing date: 2019-10-21
Publication date: 2020-01-10
Also published as: CN211105761U

Abstract

The invention discloses an automatic demolding contact lens taking machine, and belongs to the field of demolding contact lenses and taking the contact lenses. An automatic demolding contact lens taking machine comprises a rack and a controller, wherein the outer wall of the top of the rack is respectively connected with an automatic feeding device, a demolding device, a surplus material cutting device, a heating device, a material distributing device, a front material taking device, a rear material taking device, a lens separating device, a lens transferring device and a tray folding and unfolding device; the automatic feeding device mainly comprises a vibrating disc, a guide mechanism, an upper die feeding mechanism and a feeding shifting fork mechanism; the material distributing device comprises a material distributing shifting fork, a conveying belt, a conveying driving motor and a shifting fork driving cylinder; the automatic demolding and lens taking machine for the contact lenses provided by the invention realizes full-automatic demolding, excess material cutting, heating, lens taking and separating, and lens loading and tray of the contact lenses, only one operator is needed to supplement materials and receive and place a material tray, the production efficiency is greatly improved, and the cost is saved.

Description

Automatic contact lens machine is got in drawing of patterns

Technical Field

The invention relates to the technical field of contact lens demoulding and taking, in particular to an automatic demoulding and taking contact lens machine.

Background

In the production and manufacturing process of contact lenses, the contact lenses are manufactured by closing an upper die and a lower die, the upper die and the lower die are separated when the lenses are taken, the lenses are adhered to the curved surface of the upper die after the lenses are separated, excess materials on the side surface of the upper die are required to be cut off completely, then the upper die is heated, and the lenses are taken out by using a lens taking mechanism; the existing equipment has low production rate and cannot meet the requirement of automatic production.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an automatic demolding contact lens taking machine.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic demolding contact lens taking machine comprises a rack and a controller, wherein the outer wall of the top of the rack is respectively connected with an automatic feeding device, a demolding device, a surplus material cutting device, a heating device, a material distributing device, a front material taking device, a rear material taking device, a lens separating device, a lens transferring device and a tray folding and unfolding device;

the automatic feeding device mainly comprises a vibrating disc, a guide mechanism, an upper die feeding mechanism and a feeding shifting fork mechanism, wherein the vibrating disc is connected with the guide mechanism through a material receiving plate, and the upper die feeding mechanism and the feeding shifting fork mechanism are matched with the guide mechanism;

the outer wall of the material receiving plate is also connected with a lower die sliding groove;

the material distributing device comprises a material distributing shifting fork, a conveying belt, a conveying driving motor and a shifting fork driving cylinder;

conveyer belt, transport driving motor and shift fork drive actuating cylinder all connect at the top outer wall of frame through the mount, just the conveyer belt is connected at the output of carrying driving motor, divide material shift fork sliding connection on the mount.

Preferably, shedder includes punching press cylinder and punching press head, the punching press cylinder passes through the support frame and connects the top outer wall at the frame, the output at punching press cylinder is connected to the punching press head, punching press cylinder's output still is connected with and punches first matched with buffer spring.

Preferably, the excess material cutting device comprises a cutting device base, a cutter, a rotating gear, a rotating motor and a fixed gear, wherein the cutting device base is connected to the outer wall of the top of the rack, the rotating motor is connected to the cutting device base, the fixed gear is connected to the output end of the rotating motor through a speed reducer, the fixed gear and the rotating gear are both connected to the cutting device base, and the fixed gear is meshed with the rotating gear;

preferably, the outer wall of the top of the base of the blanking device is also respectively connected with a dust collecting box and an air blowing pipe which are matched with each other.

Preferably, the heating device comprises a direct vibration device, a material shifting plate, a material shifting cylinder, a humidifying device, a heating rod and a heating plate, the material shifting cylinder is connected to the outer wall of the direct vibration device, the material shifting plate is connected to the output end of the material shifting cylinder, and the heating rod is matched with the heating plate;

preferably, preceding extracting device and back extracting device all include first backup pad, second backup pad, get material vacuum chuck, get material lift cylinder, get material telescopic cylinder, guide rail, it all connects at the top outer wall of frame through screw fixed connection to get material telescopic cylinder and guide rail, first backup pad is connected at the output of getting material telescopic cylinder, it connects the outer wall at first backup pad to get material lift cylinder, the second backup pad is connected at the output of getting material lift cylinder, it connects the bottom outer wall at the second backup pad to get material vacuum chuck.

Preferably, the material distributing shifting fork is provided with ten material distributing grooves, and the material taking vacuum chucks are ten material taking vacuum chucks.

Preferably, the lens separating device mainly comprises a fixed base, the outer wall of the fixed base is respectively connected with an extrusion driving motor and a translation driving motor, and the extrusion driving motor is connected with the output end of the translation driving motor;

the output end of the extrusion driving motor is connected with a movable rack, and the outer wall of the fixed base is also connected with an upper die driving cylinder;

an upper mold connecting funnel is also arranged in the fixed base;

the output end of the upper die driving cylinder is connected with an upper die supporting plate, the upper die supporting plate is connected with an optical fiber plate, and the optical fiber plate is connected with a fixed rack matched with the moving rack.

Preferably, move and carry lens device including moving and carrying lens base, horizontal moving and carrying driving motor, lift driving motor, move and carry lens sucking disc, horizontal moving and carrying driving motor connects on moving and carrying lens base, it connects at lift driving motor's output to move and carry lens sucking disc.

Preferably, the tray collecting and releasing device mainly comprises a tray collecting and releasing base, the bottom of the tray collecting and releasing base is respectively connected with a material collecting tray jacking driving motor and an empty tray jacking driving motor, and the tray collecting and releasing base is further connected with a belt driving motor, a tray clamping cylinder, a material collecting tray guide groove, a conveying line blocking cylinder, a lens placing tray and an empty tray guide groove.

Compared with the prior art, the invention provides an automatic demolding contact lens taking machine, which has the following beneficial effects:

1. when the automatic demolding and contact lens taking machine works, a mold closing part of a contact lens is manually placed into an automatic feeding device, the automatic feeding device automatically arranges an upper mold closing part and a lower mold closing part and arranges the upper mold closing part and the lower mold closing part on a material receiving plate of a demolding device, a feeding shifting fork mechanism automatically divides two workpieces to be right below a punching head, a guide mechanism is jacked and inserted into an upper mold, a punching cylinder is pressed downwards, the upper mold and the lower mold are separated under the action of a buffer spring, and then the guide mechanism descends to place the upper mold on a guide groove of an upper mold feeding mechanism; the lower die after die splitting is waste, the lower die is extruded by a feeding shifting fork mechanism, flows into a lower die sliding groove along an arc-shaped groove of a material receiving plate and then slides to a waste box, contact lenses are automatically arranged on a rotary disc of a residual material cutting device along with an upper die by an upper die feeding mechanism, a rotary motor drives a rotary gear to rotate, the upper die is brought into a gap between the rotary gear and a fixed gear, a cutter cuts residual materials on the side surface of the upper die, the upper die rotates under the action of the rotary gear and the fixed gear, so that the residual materials on the whole side circumferential surface of the upper die are rotated, and when the residual materials are cut, an air blowing pipe blows air, a dust collecting box sucks air under the action of an external dust collector, and the cut residual materials are sucked; a turntable of the surplus material cutting device rotates to drive an upper die to rotate to the front end of the material distributing device, a conveying driving motor drives a conveying belt to convey the upper die to a material distributing position, a shifting fork driving cylinder drives a material distributing shifting fork to divide 10 upper dies at equal intervals, a divided rear shifting fork driving cylinder retracts, the interval between the 10 upper dies is equal to the interval between one row of 10 holes of a stepping grid plate, a material taking telescopic cylinder drives a material taking lifting cylinder and a material taking vacuum chuck to extend out together, the material taking lifting cylinder drives the material taking vacuum chuck to descend to suck the divided 10 upper dies, then the material taking lifting cylinder retracts, after the material taking telescopic cylinder retracts in place, the material taking lifting cylinder drives the material taking vacuum chuck to descend again to place the 10 upper dies into one row of grooves of a heating plate, a material shifting cylinder drives a material shifting plate to advance to one position, the material shifting cylinder drives the material, the upper die is pushed forward to advance on the heating plate in sequence, the upper die slides on the heating plate, the heating plate is heated by the heating rod, so that the upper die is heated and softened, a lens can be conveniently extruded by a subsequent lens separating device, when materials exist in the last row of the heating plate, the rear material taking device sucks and places the row of materials on the upper die supporting plate, then an extrusion driving motor drives a moving rack to extrude the upper die to the fixed rack forward, the upper die is extruded and deformed to a certain degree and then is driven by a translation driving motor to translate together with the moving rack, the upper die rotates under the action of the fixed rack and the moving rack, so that a circle of the lenses are uniformly stressed to be separated from the cambered surface of the upper die, after the upper die rotates for one circle, the translation driving motor drives the moving rack to reset to the initial position, and a lifting driving motor drives a lens, after the lens transferring chuck absorbs the contact lens, the upper mold driving cylinder drives the upper mold supporting plate to retract, and simultaneously the extrusion driving motor drives the movable rack to retract, at the moment, the upper mold after taking the lens falls from the lower part of the upper mold supporting plate and falls into the upper mold receiving funnel, a material box connected with the upper mold is placed below the upper mold receiving funnel to collect waste materials, then the lifting driving motor drives the lens transferring chuck to ascend, the horizontal transfer driving motor drives the lens transferring chuck to move to be right above the position of the lens placing tray relative to the hole position, the lifting driving motor drives the lens transferring chuck to descend to place the lens on the lens placing tray, the stacked empty tray is manually placed into an empty tray guide groove, the tray clamping cylinder initially supports the tray, the empty tray jacking driving motor moves upwards to jack the empty lens placing tray, then the tray clamping cylinder retracts, and the empty tray jacking driving motor descends by the height of one tray, the card tray cylinder stretches out to support the tray again, the empty tray jacking driving motor continues to descend, a row of lens placing trays at the lowest layer are placed on the belt conveying line, the belt driving motor drives the belt to rotate to convey the lens placing trays to the position of a stop block of the conveying line stop cylinder, the conveying line stops, the lens transferring device starts to place lenses, after the lens placing trays are full of materials, the conveying line stop cylinder descends, the belt driving motor drives the belt to rotate to convey the lens placing trays to the position under a guide groove of the material receiving tray, the conveying line stops rotating, the material receiving tray jacking driving motor moves upwards to jack the lens placing trays, when the lens placing trays approach the card tray cylinder, the material receiving tray jacking driving motor stops moving, the card tray cylinder retracts, the material receiving tray jacking driving motor drives the lens placing trays to move upwards by the height of one tray, and then the card tray cylinder stretches out, the receiving tray jacking driving motor retracts to the original position, and after the lens placing tray in the receiving tray guide groove is full of materials, the stacked lens placing tray is manually taken out.

Drawings

FIG. 1 is a perspective view of an automatic contact lens demolding and taking machine provided by the present invention;

FIG. 2 is a top view of an automatic contact lens demolding and taking machine provided by the present invention;

FIG. 3 is a perspective view of the automatic feeding device provided by the present invention;

FIG. 4 is a perspective view of a demolding device provided by the present invention;

FIG. 5 is a perspective view of a trimming device provided in the present invention;

FIG. 6 is a perspective view of a heating and humidifying device provided by the present invention;

FIG. 7 is a perspective view of a feed divider provided by the present invention;

FIG. 8 is a perspective view of front and rear take off devices provided by the present invention;

FIG. 9 is a perspective view of a split lens apparatus provided in accordance with the present invention;

FIG. 10 is a perspective view of a lens transfer apparatus according to the present invention;

fig. 11 is a perspective view of the tray housing device provided by the present invention.

In the figure: 1. a frame; 2. an automatic feeding device; 3. a demolding device; 4. a surplus material cutting device; 5. a heating device; 6. a material distributing device; 7. a front material taking device; 8. a rear material taking device; 9. a lens separating device; 10. a lens transfer device; 11. a tray retraction device; 12. a material receiving plate; 13. a guide mechanism; 14. a lower die chute; 15. an upper die feeding mechanism; 16. a feeding fork-shifting mechanism; 17. punching a cylinder; 18. a buffer spring; 19. punching a head; 20. a blanking device base; 21. a cutter; 22. a dust collecting box; 23. a rotating gear; 24. an air blowing pipe; 25. a rotating electric machine; 26. fixing a gear; 27. directly shaking; 28. a kick-out plate; 29. a material poking cylinder; 30. a humidifying device; 31. a heating rod; 32. heating plates; 33. a material distributing shifting fork; 34. a conveyor belt; 35. a conveying drive motor; 36. the shifting fork drives the cylinder; 37. taking a material vacuum chuck; 38. a material taking lifting cylinder; 39. a material taking telescopic cylinder; 40. a guide rail; 41. a squeezing drive motor; 42. a translation drive motor; 43. an upper die driving cylinder; 44. an upper die supporting plate; 45. a fixed base; 46. connecting an upper mold funnel; 47. moving the rack; 48. fixing a rack; 49. a fiber optic plate; 50. transferring a lens base; 51. a horizontal transfer driving motor; 52. a lifting drive motor; 53. transferring a lens sucker; 54. the material receiving plate jacks a driving motor; 55. a tray receiving and releasing base; 56. a belt drive motor; 57. a card tray cylinder; 58. a receiving tray guide groove; 59. the conveying line blocks the cylinder; 60. a lens placement tray; 61. an empty tray guide slot; 62. and (5) jacking a driving motor of the empty tray.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-11, an automatic demolding contact lens taking machine comprises a frame 1 and a controller, wherein the outer wall of the top of the frame 1 is respectively connected with an automatic feeding device 2, a demolding device 3, a cutting excess material device 4, a heating device 5, a material distributing device 6, a front material taking device 7, a rear material taking device 8, a lens separating device 9, a lens transferring device 10 and a tray retracting device 11;

the automatic feeding device 2 mainly comprises a vibrating disc, a guide mechanism 13, an upper die feeding mechanism 15 and a feeding shifting fork mechanism 16, wherein the vibrating disc is connected with the guide mechanism 13 through a material receiving plate 12, and the upper die feeding mechanism 15 and the feeding shifting fork mechanism 16 are matched with the guide mechanism 13;

the outer wall of the material receiving plate 12 is also connected with a lower die sliding groove 14;

the material distributing device 6 comprises a material distributing shifting fork 33, a conveying belt 34, a conveying driving motor 35 and a shifting fork driving cylinder 36;

conveyer belt 34, transport driving motor 35 and shift fork drive actuating cylinder 36 all connect at the top outer wall of frame 1 through the mount, and conveyer belt 34 connects at the output of carrying driving motor 35, divides material shift fork 33 sliding connection on the mount.

Demoulding device 3 includes punching press cylinder 17 and punching press head 19, and punching press cylinder 17 passes through the support frame to be connected at the top outer wall of frame 1, and punching press head 19 is connected at punching press cylinder 17's output, and punching press cylinder 17's output still is connected with and punching press head 19 matched with buffer spring 18.

The excess material cutting device 4 comprises a cutting device base 20, a cutter 21, a rotating gear 23, a rotating motor 25 and a fixed gear 26, the cutting device base 20 is connected to the outer wall of the top of the rack 1, the rotating motor 25 is connected to the cutting device base 20, the fixed gear 26 is connected to the output end of the rotating motor 25 through a speed reducer, the fixed gear 26 and the rotating gear 23 are both connected to the cutting device base 20, and the fixed gear 26 is meshed with the rotating gear 23;

the top outer wall of the blanking device base 20 is also respectively connected with a dust collecting box 22 and an air blowing pipe 24 which are matched with each other.

The heating device 5 comprises a direct vibration 27, a material shifting plate 28, a material shifting cylinder 29, a humidifying device 30, a heating rod 31 and a heating plate 32, wherein the material shifting cylinder 29 is connected to the outer wall of the direct vibration 27, the material shifting plate 28 is connected to the output end of the material shifting cylinder 29, and the heating rod 31 is matched with the heating plate 32;

preceding extracting device 7 and back extracting device 8 all include first backup pad, the second backup pad, get material vacuum chuck 37, get material lift cylinder 38, get material telescopic cylinder 39, guide rail 40, it all passes through screw fixed connection at the top outer wall of frame 1 to get material telescopic cylinder 39 and guide rail 40, first backup pad is connected at the output of getting material telescopic cylinder 39, it connects the outer wall at first backup pad to get material lift cylinder 38, the second backup pad is connected at the output of getting material lift cylinder 38, it connects the bottom outer wall at the second backup pad to get material vacuum chuck 37.

The material distributing shifting fork 33 is provided with ten material distributing grooves, and the material taking vacuum chucks 37 are ten in number.

The lens separating device 9 mainly comprises a fixed base 45, the outer wall of the fixed base 45 is respectively connected with an extrusion driving motor 41 and a translation driving motor 42, and the extrusion driving motor 41 is connected with the output end of the translation driving motor 42;

the output end of the extrusion driving motor 41 is connected with a movable rack 47, and the outer wall of the fixed base 45 is also connected with an upper die driving cylinder 43;

an upper mold connecting funnel 46 is also arranged in the fixed base 45;

the output end of the upper die driving cylinder 43 is connected with an upper die supporting plate 44, the upper die supporting plate 44 is connected with an optical fiber plate 49, and the optical fiber plate 49 is connected with a fixed rack 48 matched with the moving rack 47.

The lens transfer device 10 includes a lens transfer base 50, a horizontal transfer driving motor 51, a lifting driving motor 52, and a lens transfer suction cup 53, wherein the horizontal transfer driving motor 51 is connected to the lens transfer base 50, and the lens transfer suction cup 53 is connected to an output end of the lifting driving motor 52.

The tray collecting and releasing device 11 mainly comprises a tray collecting and releasing base 55, the bottom of the tray collecting and releasing base 55 is respectively connected with a tray collecting jacking driving motor 54 and an empty tray jacking driving motor 62, and the tray collecting and releasing base 55 is further connected with a belt driving motor 56, a tray clamping cylinder 57, a collecting tray guide groove 58, a conveying line blocking cylinder 59, a lens placing tray 60 and an empty tray guide groove 61.

In the invention, during specific work, the mold closing part of the contact lens is manually placed into the automatic feeding device 2, the automatic feeding device 2 automatically arranges the upper mold closing part and the lower mold closing part to be arranged on the material receiving plate 12 of the demolding device 3, the feeding shifting fork mechanism 16 automatically divides two workpieces to be under the punching head 19, the guide mechanism 13 is jacked up and inserted into the upper mold, the punching cylinder 17 is pressed downwards, the upper mold and the lower mold are separated under the action of the buffer spring 18, and then the guide mechanism 13 descends to place the upper mold on the guide groove of the upper mold feeding mechanism 15; the lower die after die division is waste, the lower die is extruded by a feeding shifting fork mechanism 16, flows onto a lower die sliding groove 14 along an arc-shaped groove of a material receiving plate 12 and then slides to a waste box, contact lenses are automatically arranged on a rotary disc of the excess material cutting device 4 along with an upper die by an upper die feeding mechanism 15, a rotary motor 25 drives a rotary gear 23 to rotate, the upper die is brought into a gap between the rotary gear 23 and a fixed gear 26, a cutter 21 cuts excess materials on the side surface of the upper die, the upper die rotates under the action of the rotary gear 23 and the fixed gear 26, accordingly, the excess materials on the whole side circumferential surface of the upper die are cut in a circle, an air blowing pipe 24 blows air while the excess materials are cut, a dust collecting box 22 sucks air under the action of an external dust collector, and the cut excess materials are; the turntable of the excess material cutting device 4 rotates to drive the upper die to rotate to the front end of the material distributing device 6, the conveying driving motor 35 drives the conveying belt 34 to convey the upper die to a material distributing position, the shifting fork driving cylinder 36 drives the material distributing shifting fork 33 to divide 10 upper dies at equal intervals, the shifting fork driving cylinder 36 retracts after the division is completed, and the interval between the 10 upper dies is equal to the interval between 10 holes in a row of the stepping grid plate; the material taking telescopic cylinder 39 drives the material taking lifting cylinder 38 and the material taking vacuum chuck 37 to extend together, the material taking lifting cylinder 38 drives the material taking vacuum chuck 37 to descend to suck 10 divided upper dies, then the material taking lifting cylinder 38 retracts, after the material taking telescopic cylinder 39 retracts to the right position, the material taking lifting cylinder 38 drives the material taking vacuum chuck 37 to descend again to place the 10 upper dies into a row of grooves of the heating plate 32, the material shifting cylinder 29 drives the material shifting plate 28 to advance for one position, the material shifting cylinder 29 drives the material shifting plate 28 to return to the original position, at the moment, a row of 10 upper dies advances for one position, the upper dies are sequentially pushed forwards to advance on the heating plate 32, the upper dies slide on the heating plate 32, the heating plate 32 is heated by the heating rod 31, the upper dies are heated and softened, the lens is conveniently extruded by the subsequent lens separating device 9, when the last row of the heating plate 32 has materials, the subsequent material taking device 8, then the extrusion driving motor 41 drives the moving rack 47 to extrude the upper mold to the fixed rack 48 forwards, after the upper mold is extruded and deformed to a certain degree, the translation driving motor 42 drives the extrusion driving motor 41 and the moving rack 47 to translate together, the upper mold rotates under the action of the fixed rack 48 and the moving rack 47, so that a circle of the lens is uniformly stressed to be separated from the arc surface of the upper mold, after the upper mold rotates for a circle, the translation driving motor 42 drives the moving rack 47 to reset to the initial position, the lifting driving motor 52 drives the transfer lens sucker 53 to descend to the position right above the upper mold to suck the lens, after the transfer lens sucker 53 sucks the contact lens, the upper mold driving cylinder 43 drives the upper mold supporting plate 44 to retract, meanwhile, the extrusion driving motor 41 drives the moving rack 47 to retract, at the moment, the upper mold which has taken the lens falls from the lower part of the upper mold supporting plate 44 to fall into, a material box connected with an upper mold is placed below an upper mold funnel 46 to collect waste materials, then a lifting drive motor 52 drives a transfer lens sucker 53 to ascend, a horizontal transfer drive motor 51 drives the transfer lens sucker 53 to move to a position right above a hole position of a lens placing tray 60, the lifting drive motor 52 drives the transfer lens sucker 53 to descend to place a lens on the lens placing tray 60, a stacked empty tray is manually placed in an empty tray guide groove 61, a tray clamping cylinder 57 initially holds the tray, an empty tray jacking drive motor 62 moves upwards to jack the empty lens placing tray 60, then the tray clamping cylinder 57 retracts, after the empty tray jacking drive motor 62 descends by the height of one tray, the tray clamping cylinder 57 extends to hold the tray again, the empty tray jacking drive motor 62 continues to descend to place the lens placing tray 60 on the lowest layer on a belt conveying line, the belt driving motor 56 drives the belt to rotate to convey the lens placing tray 60 to the stop block position of the conveying line blocking cylinder 59, the conveying line stops, the lens transferring device 10 starts to place lenses, after the lens placing tray 60 is full, the conveying line blocking cylinder 59 descends, the belt driving motor 56 drives the belt to rotate to convey the lens placing tray 60 to the position under the material receiving tray guide groove 58, the conveying line stops rotating, the material receiving tray jacking driving motor 54 moves upwards to jack up the lens placing tray 60, when the lens placing tray is close to the card tray cylinder 57, the material receiving tray jacking driving motor 54 stops moving, the card tray cylinder 57 retracts, the material receiving tray jacking driving motor 54 drives the lens placing tray 60 to continue moving upwards for the height of one tray, then the card tray cylinder 57 extends, the material receiving tray jacking driving motor 54 retracts to the original position, after the lens placing tray 60 in the material receiving tray guide groove 58 is full, the stacked lens placing tray 60 is manually taken out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An automatic demolding contact lens taking machine comprises a rack (1) and a controller, and is characterized in that the outer wall of the top of the rack (1) is respectively connected with an automatic feeding device (2), a demolding device (3), a residual material cutting device (4), a heating device (5), a material distributing device (6), a front material taking device (7), a rear material taking device (8), a lens separating device (9), a lens transferring and placing device (10) and a tray retracting and releasing device (11);

the automatic feeding device (2) mainly comprises a vibrating disc, a guide mechanism (13), an upper die feeding mechanism (15) and a feeding shifting fork mechanism (16), wherein the vibrating disc is connected with the guide mechanism (13) through a material receiving plate (12), and the upper die feeding mechanism (15) and the feeding shifting fork mechanism (16) are matched with the guide mechanism (13);

the outer wall of the material receiving plate (12) is also connected with a lower die sliding groove (14);

the material distributing device (6) comprises a material distributing shifting fork (33), a conveying belt (34), a conveying driving motor (35) and a shifting fork driving cylinder (36);

conveyer belt (34), transport driving motor (35) and shift fork drive actuating cylinder (36) all connect the top outer wall in frame (1) through the mount, just conveyer belt (34) are connected the output of carrying driving motor (35), divide material shift fork (33) sliding connection on the mount.

2. The machine for automatically demoulding and taking the contact lens according to claim 1, wherein the demoulding device (3) comprises a punching cylinder (17) and a punching head (19), the punching cylinder (17) is connected to the outer wall of the top part of the frame (1) through a supporting frame, the punching head (19) is connected to the output end of the punching cylinder (17), and the output end of the punching cylinder (17) is further connected with a buffer spring (18) matched with the punching head (19).

3. An automatic contact lens demolding machine as claimed in claim 2, wherein the cutting device (4) comprises a cutting device base (20), a cutting knife (21), a rotating gear (23), a rotating motor (25) and a fixed gear (26), the cutting device base (20) is connected to the outer wall of the top of the machine frame (1), the rotating motor (25) is connected to the cutting device base (20), the fixed gear (26) is connected to the output end of the rotating motor (25) through a speed reducer, the fixed gear (26) and the rotating gear (23) are both connected to the cutting device base (20), and the fixed gear (26) is meshed with the rotating gear (23).

4. An automatic contact lens demolding and taking machine as claimed in claim 3, wherein the top outer wall of the blanking device base (20) is further connected with a dust collecting box (22) and an air blowing pipe (24) which are matched with each other respectively.

5. The automatic contact lens demolding and taking machine as claimed in claim 1, wherein the heating device (5) comprises a vertical vibration device (27), a material poking plate (28), a material poking cylinder (29), a humidifying device (30), a heating rod (31) and a heating plate (32), the material poking cylinder (29) is connected to the outer wall of the vertical vibration device (27), the material poking plate (28) is connected to the output end of the material poking cylinder (29), and the heating rod (31) is matched with the heating plate (32).

6. The automatic demolding contact lens taking machine as claimed in claim 1, wherein each of the front material taking device (7) and the rear material taking device (8) comprises a first supporting plate, a second supporting plate, a material taking vacuum chuck (37), a material taking lifting cylinder (38), a material taking telescopic cylinder (39) and a guide rail (40), the material taking telescopic cylinder (39) and the guide rail (40) are fixedly connected to the outer wall of the top of the rack (1) through screws, the first supporting plate is connected to the output end of the material taking telescopic cylinder (39), the material taking lifting cylinder (38) is connected to the outer wall of the first supporting plate, the second supporting plate is connected to the output end of the material taking lifting cylinder (38), and the material taking vacuum chuck (37) is connected to the outer wall of the bottom of the second supporting plate.

7. The machine for automatically removing the contact lenses from the mold according to claim 6, wherein the distribution fork (33) is provided with ten distribution grooves, and the number of the distribution grooves is ten, and the number of the material-removing vacuum suction cups (37) is ten.

8. An automatic contact lens demolding and taking machine as claimed in claim 1, wherein the lens separating device (9) mainly comprises a fixed base (45), the outer wall of the fixed base (45) is connected with a squeezing driving motor (41) and a translation driving motor (42) respectively, and the squeezing driving motor (41) is connected with the output end of the translation driving motor (42);

the output end of the extrusion driving motor (41) is connected with a movable rack (47), and the outer wall of the fixed base (45) is also connected with an upper die driving cylinder (43);

an upper mold connecting funnel (46) is also arranged in the fixed base (45);

the output end of the upper die driving cylinder (43) is connected with an upper die supporting plate (44), the upper die supporting plate (44) is connected with an optical fiber plate (49), and the optical fiber plate (49) is connected with a fixed rack (48) matched with the movable rack (47).

9. The machine for automatically removing contact lenses from a mold according to claim 8, wherein the lens transfer device (10) comprises a lens transfer base (50), a horizontal transfer driving motor (51), a lifting driving motor (52), and a lens transfer suction cup (53), the horizontal transfer driving motor (51) is connected to the lens transfer base (50), and the lens transfer suction cup (53) is connected to the output end of the lifting driving motor (52).

10. The automatic demolding and contact lens taking machine as claimed in claim 9, wherein the tray retracting device (11) mainly comprises a tray retracting base (55), the bottom of the tray retracting base (55) is respectively connected with a tray retracting driving motor (54) and an empty tray retracting driving motor (62), and the tray retracting base (55) is further connected with a belt driving motor (56), a tray clamping cylinder (57), a tray receiving guide groove (58), a conveyor line blocking cylinder (59), a lens placing tray (60) and an empty tray guide groove (61).