Automatic demoulding and contact lens removal equipment

Abstract

The invention discloses an automatic demoulding and removing contact lens equipment, belonging to the technical field of demoulding and removing lenses for contact lenses. An automatic demoulding and removing contact lens equipment comprises a frame, and an automatic feeding device, a demoulding device, a waste material cutting device, a material dividing device, a front material taking device, a heating device, a rear material taking device, a lens separation device, a lens transfer device, and a tray storage device are connected to the top wall of the frame, and the demoulding device is connected to the top of the output end of the automatic feeding device, and the waste material cutting device, the material dividing device, the front material taking device, the heating device, the rear material taking device, the lens separation device, the lens transfer device, and the tray storage device are sequentially connected to the top wall of the frame; the automatic demoulding and removing lens machine for contact lenses provided by the invention realizes the full-automatic demoulding, waste material cutting, heating, lens separation, and lens loading of contact lenses, and only requires one operator to replenish materials and collect and release material trays, which greatly improves production efficiency and saves costs.

Description

Technical Field

[0001] The invention relates to the technical field of contact lens demoulding and lens taking, in particular to an automatic contact lens demoulding and lens taking device. Background Art

[0002] In the manufacturing process of contact lenses, contact lenses are made by combining upper and lower molds. When taking out the lenses, the upper and lower molds are first separated. After separation, the lenses adhere to the curved surface of the upper mold, the excess material on the side of the upper mold is cut off, and then the upper mold is heated, and the lens is taken out using a lens taking mechanism. Existing equipment uses semi-automatic tooling to connect the above processes in series, especially the method of manually taking out the lenses, manually putting the upper mold containing the lens into the semi-automatic tooling, then squeezing the upper mold, and finally taking out the lens with a suction cup, and the productivity of existing equipment is very low and cannot meet the needs of automated production. Summary of the invention

[0003] The purpose of the present invention is to solve the problems in the prior art and to provide an automatic demoulding and contact lens removal device.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] An automatic demoulding and contact lens taking device comprises a frame, wherein an automatic feeding device, a demoulding device, a waste material cutting device, a material dividing device, a front material taking device, a heating device, a rear material taking device, a lens separation taking device, a lens transfer device, and a tray receiving and placing device are connected to the top wall of the frame, and the demoulding device is connected to the top of the output end of the automatic feeding device, and the waste material cutting device, the material dividing device, the front material taking device, the heating device, the rear material taking device, the lens separation taking device, the lens transfer device, and the tray receiving and placing device are sequentially connected to the top wall of the frame.

[0006] Preferably, a receiving plate is connected to the outlet of the automatic feeding device, a feeding fork mechanism is connected to the side wall of the receiving plate, a guide mechanism is connected to the bottom of the receiving plate, a notch is drilled on the side wall of the receiving plate, a lower mold slide groove is connected to the notch, an end of the receiving plate away from the automatic feeding device is connected to an upper mold feeding mechanism, and an end of the upper mold feeding mechanism away from the automatic feeding device is connected to a waste material cutting device.

[0007] Preferably, the demoulding device comprises a stamping cylinder, the output end of the stamping cylinder is connected to a push rod, the end of the push rod away from the stamping cylinder is connected to a stamping head, and a buffer spring is connected to the outer wall of the push rod.

[0008] Preferably, the waste material cutting device includes a waste material cutting device base, a rotating motor is connected to the side wall of the waste material cutting device base, a rotating gear is connected to the output end of the rotating motor, a fixed gear is connected to the top wall of the waste material cutting device base through a connecting plate, a cutter is connected to the top wall of the fixed gear, and a dust box is also connected to the top wall of the fixed gear, and an air blowing pipe is connected to the side wall of the dust box.

[0009] Preferably, the material dividing device includes a material dividing bracket, a conveyor belt driving motor is connected to the side wall of the material dividing bracket, the output end of the conveyor belt driving motor is connected to the conveyor belt, the conveyor belt is connected to the top wall of the material dividing bracket, a material dividing fork driving cylinder is connected to the inner wall of the material dividing bracket, and the output end of the material dividing fork driving cylinder is connected to the material dividing fork.

[0010] Preferably, the material picking device includes a material picking suction head, a material picking lifting cylinder is connected to the top wall of the material picking suction head, the material picking lifting cylinder is connected to the material picking telescopic cylinder through a connecting plate, the material picking telescopic cylinder is connected to the top wall of the frame through a support frame, the heating device is connected to the bottom of the material picking device, and the heating device includes a heating device base, a stepping drive cylinder is connected to the side wall of the heating device base, the output end of the stepping drive cylinder is connected to the stepping lifting cylinder through a connecting plate, the output end of the stepping lifting cylinder is connected to a heating plate, a heating rod is connected to the inside of the heating plate, and a stepping grid plate is connected to the inner wall of the heating plate.

[0011] Preferably, the lens separation and removal device includes a lens separation and removal device base, the bottom wall of the lens separation and removal device base is connected to a translation drive motor, the output end of the translation drive motor is connected to an extrusion drive motor via a connecting plate, the output end of the extrusion drive motor is connected to a moving rack, the top wall of the lens separation and removal device base is also connected to a fixed rack, the moving rack abuts against the fixed rack, the lens separation and removal device base is also connected to an upper mold support plate driving cylinder, the output end of the upper mold support plate driving cylinder is connected to the upper mold support plate, the base of the lens separation and removal device is internally connected to an upper mold connecting funnel, and the upper mold connecting funnel matches the upper mold support plate.

[0012] Preferably, a support frame is connected to the side wall of the base of the lens separation and removal device, a suction cup lifting drive cylinder is connected to the bottom of the support frame, a suction cup rotation drive cylinder is connected to the output end of the suction cup lifting drive cylinder, and a lens removal suction cup is connected to the output end of the suction cup rotation drive cylinder.

[0013] Preferably, the lens transfer device comprises a lens transfer device base, a top wall of the lens transfer device base is connected to a horizontal transfer drive motor, an output end of the horizontal transfer drive motor is connected to a lifting drive motor, and an output end of the lifting drive motor is connected to a lens transfer suction cup.

[0014] Preferably, the tray folding and unfolding device includes a fixed frame, a belt-driven motor is connected to the side wall of the fixed frame, a belt is connected to the outer wall of the output end of the belt-driven motor, the bottom of the fixed frame is respectively connected to an empty tray lifting drive motor and a receiving tray lifting drive motor through the tray folding and unfolding device base, the output ends of the empty tray lifting drive motor and the receiving tray lifting drive motor are both connected to a lens placement tray, the top wall of the fixed frame is connected to an empty tray guide groove and a receiving tray guide groove, the top wall of the fixed frame is also connected to a card tray cylinder, and the side wall of the fixed frame is connected to a conveyor line blocking cylinder.

[0015] Compared with the prior art, the present invention provides an automatic demoulding and contact lens removal device, which has the following beneficial effects:

[0016] 1. The automatic demoulding and contact lens taking equipment, when working, manually puts the mold parts of the contact lens into the automatic feeding device, the automatic feeding device automatically arranges the upper and lower mold parts, and arranges them on the receiving plate of the demoulding device, the feeding fork mechanism automatically divides the workpiece to the bottom of the punch head, the guide mechanism is lifted and inserted into the upper mold, the punching cylinder is pressed down, and the upper and lower molds are separated under the action of the buffer spring, and then the guide mechanism is lowered to put the upper mold on the guide groove of the upper mold feeding mechanism. The lower mold after mold separation is waste, the lower mold is squeezed by the feeding fork mechanism, flows into the lower mold chute along the arc groove of the receiving plate, and then slides to the waste box, the contact lens is automatically arranged by the upper mold feeding mechanism together with the upper mold to the turntable of the cutting device, and the rotating motor drives the rotating gear to rotate The upper die is brought into the gap between the rotating gear and the fixed gear by the cutter, and the residual material on the side of the upper die is cut by the cutter. The upper die rotates under the action of the rotating gear and the fixed gear, thereby rotating and cutting the residual material on the entire side circumference of the upper die. While cutting the residual material, the air blower blows air, and the dust box sucks air under the action of the external vacuum cleaner to remove the cut residual material. The turntable of the residual material cutting device drives the upper die to rotate to the front end of the material dividing device, and the conveyor belt driving motor drives the conveyor belt to transfer the upper die to the material dividing position. The material dividing fork driving cylinder drives the material dividing fork to divide the upper die into equal intervals. After the division, the material dividing fork driving cylinder retracts, and the spacing between the upper dies is equal to the spacing between the holes in a row of the stepping grid plate. The material picking telescopic cylinder drives the material picking lifting cylinder and the material picking suction head to extend together, and the material picking lifting cylinder drives the material picking. The suction head descends to suck up the separated upper molds, and then the material picking lifting cylinder retracts. After the material picking telescopic cylinder retracts into place, the material picking lifting cylinder drives the material picking suction head down again to place the upper molds into a row of holes on the stepping grid plate, and the stepping drive cylinder drives the stepping grid plate to advance one position, and then the stepping lifting cylinder rises, and the stepping drive cylinder drives the stepping grid plate back to its original position, and the stepping lifting cylinder descends. At this time, a row of upper molds have advanced one position, and the upper molds are pushed forward on the heating plate in turn. The upper molds slide on the heating plate, and the heating plate is heated by the heating rod, so that the upper molds are heated and softened, which is convenient for the subsequent separation and retrieval device to squeeze and take the lens. When there is material in the last row of the heating plate, the rear material picking device absorbs this row of materials and places them on the upper mold support plate, and then the extrusion drive motor drives The moving rack squeezes the upper mold forward onto the fixed rack. After the upper mold is squeezed and deformed to a certain extent, the translation drive motor drives the extrusion drive motor and the moving rack to translate together. The upper mold rotates under the action of the fixed rack and the moving rack, so that the lens is evenly stressed all around and thus detaches from the curved surface of the upper mold. After the upper mold rotates one circle, the translation drive motor drives the moving rack to reset to the initial position, and the suction cup lifting drive cylinder drives the suction cup rotation drive cylinder and the lens taking suction cup to descend together. The lens taking suction cup absorbs the contact lens on the curved surface of the upper mold. Then, after the suction cup lifting drive cylinder rises into place, the suction cup rotation drive cylinder drives the lens taking suction cup to rotate, so that the notch of the contact lens faces upwards, which is convenient for the subsequent automatic material taking mechanism to take and place the lens. After the lens taking suction cup absorbs the contact lens,The upper mold support plate driving cylinder drives the upper mold support plate to retract, and at the same time, the extrusion driving motor drives the moving rack to retract. At this time, the upper mold that has taken the lens will fall from the bottom of the upper mold support plate and fall into the upper mold funnel. A material box connected to the upper mold is placed under the upper mold funnel to collect waste materials. The lifting driving motor drives the lens transfer suction cup to descend to absorb the lens on the lens suction cup, and then the lifting driving motor drives the lens transfer suction cup to rise. The horizontal transfer driving motor drives the lens transfer suction cup to move to the top of the hole position of the lens placement tray. The lifting driving motor drives the lens transfer suction cup to move to the top of the hole position of the lens placement tray. The motor drives the lens transfer suction cup to descend and place the lenses on the lens placement tray. The stacked empty trays are manually placed into the empty tray guide slots. The tray card cylinder initially holds the lens placement tray. The empty tray lifting drive motor moves upward to lift the empty lens placement tray. Then the tray card cylinder retracts. After the empty tray lifting drive motor descends to the height of one tray, the tray card cylinder extends out to hold the tray again. The empty tray lifting drive motor continues to descend and places the bottom row of lens placement trays on the belt conveyor line. The belt drive motor drives the belt The belt rotates to transport the lens placement tray to the block position of the conveyor line blocking cylinder, the conveyor line stops, and the lens transfer device starts to place lenses. After the lens placement tray is full, the conveyor line blocking cylinder descends, and the belt drive motor drives the belt to rotate to transport the lens placement tray to the bottom of the receiving tray guide slot. The conveyor line stops rotating, and the receiving tray receiving tray lifting drive motor moves upward to lift the lens placement tray. When approaching the card tray cylinder, the receiving tray lifting drive motor pauses, and the card tray cylinder retracts at the same time. The receiving tray lifting drive motor drives the lens placement tray to continue to move upward by the height of a tray, and then the card tray cylinder extends out, and the receiving tray lifting drive motor retracts to its original position. After the lens placement tray in the receiving tray guide slot is full, the stacked lens placement tray is manually taken out. The automatic demoulding and lens removal machine for contact lenses provided by the present invention realizes the full-automatic demoulding, cutting of excess materials, heating, separation and removal of lenses, and lens tray loading of contact lenses. Only one operator is required to replenish materials and collect and discharge trays, which greatly improves production efficiency. The stacked lens placement tray is manually taken out.

[0017] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The automatic demoulding and lens taking machine for contact lenses provided by the present invention realizes the full-automatic demoulding, cutting of excess materials, heating, separation and taking out of lenses, and lens loading trays of contact lenses. Only one operator is needed to replenish materials and collect and put away material trays, which greatly improves production efficiency and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the automatic demoulding and lens taking machine for contact lenses provided by the present invention;

[0019] Figure 2 It is a top view of the automatic contact lens demoulding and lens taking machine provided by the present invention;

[0020] Figure 3 It is a three-dimensional diagram of the automatic feeding device provided by the present invention;

[0021] Figure 4 is a stereoscopic diagram of the demoulding device provided by the present invention;

[0022] Figure 5 is a three-dimensional diagram of the excess material cutting device provided by the present invention;

[0023] Figure 6 is a three-dimensional diagram of a heating device provided by the present invention;

[0024] Figure 7 is a three-dimensional diagram of the material distribution device provided by the present invention;

[0025] Figure 8 It is a stereoscopic diagram of the front and rear material taking devices provided by the present invention;

[0026] Fig. 9 is a three-dimensional diagram of the lens separation and removal device provided by the present invention;

[0027] Fig.10 is a three-dimensional diagram of the lens transfer device provided by the present invention;

[0028] Fig.11 It is a three-dimensional diagram of the tray storage device provided by the present invention.

[0029] In the figure: 1, frame; 2, automatic feeding device; 3, demoulding device; 4, excess material cutting device; 5, heating device; 6, material dividing device; 7, front material taking device; 8, rear material taking device; 9, lens separation device; 10, lens transfer device; 11, tray storage device; 12, receiving plate; 13, guide mechanism; 14, lower die slide; 15, upper die feeding mechanism; 16, feeding fork mechanism; 17, stamping cylinder; 18, Buffer spring; 19, punch head; 20, cutting device base; 21, cutter; 22, dust box; 23, rotating gear; 24, air blowing pipe; 25, rotating motor; 26, fixed gear; 27, heating device base; 28, stepping drive cylinder; 29, stepping lifting cylinder; 30, heating rod; 31, stepping grid plate; 32, heating plate; 33, material dividing fork; 34, conveyor belt; 35, conveyor belt drive motor; 36. Material dispensing fork driving cylinder; 37. Material taking suction head; 38. Material taking lifting cylinder; 39. Material taking telescopic cylinder; 40. Extrusion driving motor; 41. Translation driving motor; 42. Separation lens taking device base; 43. Upper mold support plate driving cylinder; 44. Upper mold support plate; 45. Upper mold connecting funnel; 46. Moving rack; 47. Lens taking suction cup; 48. Suction cup lifting driving cylinder; 49. Suction cup rotation driving cylinder; 50. Lens transfer device base; 51. Horizontal transfer driving motor; 52. Lifting driving motor; 53. Lens transfer suction cup; 54. Material receiving tray lifting driving motor; 55. Tray receiving and placing device base; 56. Belt driving motor; 57. Tray card cylinder; 58. Material receiving tray guide groove; 59. Conveyor line blocking cylinder; 60. Lens placement tray; 61. Empty tray guide groove; 62. Empty tray lifting driving motor; 63. Fixed rack. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] Reference Figure 1-11, an automatic demoulding and contact lens taking device, comprising a frame 1, on the top wall of the frame 1 are connected an automatic feeding device 2, a demoulding device 3, a waste material cutting device 4, a material dividing device 6, a front material taking device 7, a heating device 5, a rear material taking device 8, a lens separation device 9, a lens transfer device 10, and a tray receiving and placing device 11, and the demoulding device 3 is connected to the top of the output end of the automatic feeding device 2, and the waste material cutting device 4, the material dividing device 6, the front material taking device 7, the heating device 5, the rear material taking device 8, the lens separation device 9, the lens transfer device 10, and the tray receiving and placing device 11 are sequentially connected to the top wall of the frame 1.

[0033] Reference Figure 1-3 A receiving plate 12 is connected to the outlet of the automatic feeding device 2, a feeding fork mechanism 16 is connected to the side wall of the receiving plate 12, a guide mechanism 13 is connected to the bottom of the receiving plate 12, a groove is cut on the side wall of the receiving plate 12, a lower mold slide groove 14 is connected to the groove, an end of the receiving plate 12 away from the automatic feeding device 2 is connected to an upper mold feeding mechanism 15, and an end of the upper mold feeding mechanism 15 away from the automatic feeding device 2 is connected to the excess material cutting device 4.

[0034] Reference Figure 1 and Figure 4 The demoulding device 3 includes a stamping cylinder 17, an output end of the stamping cylinder 17 is connected to a push rod, an end of the push rod away from the stamping cylinder 17 is connected to a stamping head 19, and a buffer spring 18 is connected to the outer wall of the push rod.

[0035] Reference Figure 1 and Figure 5 The waste material cutting device 4 includes a waste material cutting device base 20, a rotating motor 25 is connected to the side wall of the waste material cutting device base 20, and a rotating gear 23 is connected to the output end of the rotating motor 25. A fixed gear 26 is connected to the top wall of the waste material cutting device base 20 through a connecting plate, a cutter 21 is connected to the top wall of the fixed gear 26, and a dust box 22 is also connected to the top wall of the fixed gear 26, and an air blowing pipe 24 is connected to the side wall of the dust box 22.

[0036] Reference Figure 1 and Figure 7 The material distribution device 6 includes a material distribution bracket, a conveyor belt driving motor 35 is connected to the side wall of the material distribution bracket, a conveyor belt 34 is connected to the output end of the conveyor belt driving motor 35, the conveyor belt 34 is connected to the top wall of the material distribution bracket, a material distribution fork driving cylinder 36 is connected to the inner wall of the material distribution bracket, and a material distribution fork 33 is connected to the output end of the material distribution fork driving cylinder 36.

[0037] Reference Figure 1 , Figure 7 and Figure 8The material picking device includes a material picking suction head 37, a material picking lifting cylinder 38 is connected to the top wall of the material picking suction head 37, the material picking lifting cylinder 38 is connected to the material picking telescopic cylinder 39 through a connecting plate, the material picking telescopic cylinder 39 is connected to the top wall of the frame 1 through a supporting frame, the heating device 5 is connected to the bottom of the material picking device, and the heating device 5 includes a heating device base 27, a stepping drive cylinder 28 is connected to the side wall of the heating device base 27, the output end of the stepping drive cylinder 28 is connected to the stepping lifting cylinder 29 through a connecting plate, the output end of the stepping lifting cylinder 29 is connected to a heating plate 32, a heating rod 30 is connected inside the heating plate 32, and a stepping grid plate 31 is connected to the inner wall of the heating plate 32.

[0038] Reference Figure 1 and 9 The lens separation and removal device 9 includes a lens separation and removal device base 42, a translation drive motor 41 is connected to the bottom wall of the lens separation and removal device base 42, an output end of the translation drive motor 41 is connected to the extrusion drive motor 40 through a connecting plate, an output end of the extrusion drive motor 40 is connected to a moving rack 46, a fixed rack 63 is also connected to the top wall of the lens separation and removal device base 42, the moving rack 46 abuts against the fixed rack 63, an upper mold support plate driving cylinder 43 is also connected to the lens separation and removal device base 42, an upper mold support plate 44 is connected to the output end of the upper mold support plate driving cylinder 43, an upper mold funnel 45 is connected inside the lens separation and removal device base 42, and the upper mold funnel 45 matches the upper mold support plate 44.

[0039] Reference Figure 1 and Fig. 9 A support frame is connected to the side wall of the lens separation and removal device base 42, and a suction cup lifting drive cylinder 48 is connected to the bottom of the support frame. The output end of the suction cup lifting drive cylinder 48 is connected to the suction cup rotation drive cylinder 49, and the output end of the suction cup rotation drive cylinder 49 is connected to the lens removal suction cup 47.

[0040] Reference Figure 1 and Fig.10 The lens transfer device 10 includes a lens transfer device base 50, a top wall of which is connected to a horizontal transfer drive motor 51, an output end of the horizontal transfer drive motor 51 is connected to a lifting drive motor 52, and an output end of the lifting drive motor 52 is connected to a lens transfer suction cup 53.

[0041] Reference Figure 1 and Fig.11The tray receiving and placing device 11 includes a fixed frame, a belt drive motor 56 is connected to the side wall of the fixed frame, a belt is connected to the outer wall of the output end of the belt drive motor 56, the bottom of the fixed frame is respectively connected to the empty tray lifting drive motor 62 and the receiving tray lifting drive motor 54 through the tray receiving and placing device base 55, the output ends of the empty tray lifting drive motor 62 and the receiving tray lifting drive motor 54 are both connected to the lens placement tray 60, the top wall of the fixed frame is connected to the empty tray guide groove 61 and the receiving tray guide groove 58, the top wall of the fixed frame is also connected to the card tray cylinder 57, and the side wall of the fixed frame is connected to the conveyor line blocking cylinder 59.

[0042] During the specific operation, the mold parts of the contact lens are manually placed into the automatic feeding device 2, and the automatic feeding device 2 automatically arranges the upper and lower mold parts and arranges them on the receiving plate 12 of the demolding device 3. The feeding fork mechanism 16 automatically divides the two workpieces to the bottom of the punch head 19, and the guide mechanism 13 is lifted and inserted into the upper mold. The punching cylinder 17 is pressed down, and the upper and lower molds are separated under the action of the buffer spring 18. Then the guide mechanism 13 descends and puts the upper mold on the guide groove of the upper mold feeding mechanism 15. The lower mold after mold separation is waste. The lower mold is squeezed by the feeding fork mechanism 16, flows along the arc groove of the receiving plate 12 into the lower mold chute 14, and then slides to the waste box. The contact lens is automatically arranged by the upper mold feeding mechanism 15 together with the upper mold to the turntable of the trimming device 4. On the upper part, the rotating motor 25 drives the rotating gear 23 to rotate, and brings the upper mold into the gap between the rotating gear 23 and the fixed gear 26. The cutter 21 cuts the residual material on the side of the upper mold. The upper mold rotates under the action of the rotating gear 23 and the fixed gear 26, so as to rotate and cut the residual material of the entire side circumference of the upper mold. While cutting the residual material, the air blowing pipe 24 blows air, and the dust collecting box 22 sucks air under the action of the external vacuum cleaner to remove the cut residual material. The turntable of the residual material cutting device 4 rotates to drive the upper mold to rotate to the front end of the material dividing device 6, and the conveyor belt driving motor 35 drives the conveyor belt 34 to transfer the upper mold to the material dividing position. The material dividing fork driving cylinder 36 drives the material dividing fork 33 to divide 10 upper molds at equal intervals. After the division, the material dividing fork driving cylinder 36 retracts, and the spacing between the 10 upper molds is consistent with the stepping mesh The spacing of 10 holes in a row of the grid plate 31 is equal. The material picking telescopic cylinder 39 drives the material picking lifting cylinder 38 and the material picking suction head 37 to extend together. The material picking lifting cylinder 38 drives the material picking suction head 37 to descend and absorb the 10 divided upper molds, and then the material picking lifting cylinder 38 retracts. After the material picking telescopic cylinder 39 retracts to its position, the material picking lifting cylinder 38 drives the material picking suction head 37 to descend again and puts the 10 upper molds into a row of holes in the stepping grid plate 31. The stepping driving cylinder 28 drives the stepping grid plate 31 to advance one position, and then the stepping lifting cylinder 29 rises, and the stepping driving cylinder 28 drives the stepping grid plate 31 to return to its original position. The stepping lifting cylinder 29 descends. At this time, a row of 10 upper molds have advanced one position, and the upper molds are pushed forward on the heating plate 32 in turn. The upper mold slides on the heating plate 32, and the heating plate 32 is heated by the heating rod 30, so that the upper mold is heated and softened, which is convenient for the subsequent separation and lens taking device 9 to squeeze and take the lens. When there is material in the last row of the heating plate 32, the rear material taking device 8 absorbs this row of materials and places it on the upper mold support plate 44, and then the extrusion drive motor 40 drives the moving rack 46 to extrude the upper mold forward onto the fixed rack 63. After the upper mold is extruded and deformed to a certain extent, the translation drive motor 41 drives the extrusion drive motor 40 and the moving rack 46 to translate together. The upper mold rotates under the action of the fixed rack 63 and the moving rack 46, so that the lens is evenly stressed all around and thus separated from the curved surface of the upper mold. After the upper mold rotates one circle, the translation drive motor 41 drives the moving rack 46 to return to the initial position.The suction cup lifting drive cylinder 48 drives the suction cup rotation drive cylinder 49 and the lens taking suction cup 47 to descend together, and the lens taking suction cup 47 sucks the contact lens on the curved surface of the upper mold. Then, after the suction cup lifting drive cylinder 48 rises to its position, the suction cup rotation drive cylinder 49 drives the lens taking suction cup 47 to rotate, so that the notch of the contact lens faces upward, which is convenient for the subsequent automatic material taking mechanism to take and place the lens. After the lens taking suction cup 47 sucks the contact lens, the upper mold support plate driving cylinder 43 drives the upper mold support plate 44 to retract, and at the same time, the extrusion drive motor 40 drives the moving rack 46 to retract. At this time, the upper mold that has taken the lens will fall from the bottom of the upper mold support plate 44 and fall into the upper mold connecting funnel 45. A connecting funnel 45 is placed below the upper mold connecting funnel 45. The material box of the upper mold can collect the waste material, the lifting drive motor 52 drives the lens transfer suction cup 53 to descend and absorb the lens on the lens suction cup 47, and then the lifting drive motor 52 drives the lens transfer suction cup 53 to rise, the horizontal transfer drive motor 51 drives the lens transfer suction cup 53 to move to the top of the hole position of the lens placement tray 60, the lifting drive motor 52 drives the lens transfer suction cup 53 to descend and place the lens on the lens placement tray 60, manually put the stacked empty trays into the empty tray guide groove 61, the card tray cylinder 57 initially holds the lens placement tray 60, the empty tray lifting drive motor 62 moves upward to lift the empty lens placement tray 60, and then the card tray cylinder 57 retracts, and the empty tray lifting drive After the motor 62 descends to the height of a tray, the tray cylinder 57 extends out to hold the tray again, and the empty tray lifting drive motor 62 continues to descend, and the bottom row of lens placement trays 60 are placed on the belt conveyor line. The belt drive motor 56 drives the belt to rotate and transport the lens placement tray 60 to the block position of the conveyor line blocking cylinder 59, and the conveyor line stops. The lens transfer device 10 starts to place lenses. After the lens placement tray 60 is full, the conveyor line blocking cylinder 59 descends, and the belt drive motor 56 drives the belt to rotate and transport the lens placement tray 60 to the bottom of the receiving tray guide groove 58. The conveyor line stops rotating, and the receiving tray receiving tray lifting drive motor 54 moves upward to lift the lens placement tray 60 When approaching the card tray cylinder 57, the receiving tray lifting drive motor 54 stops moving, and the card tray cylinder 57 retracts at the same time. The receiving tray lifting drive motor 54 drives the lens placement tray 60 to continue to move upward by the height of a tray, and then the card tray cylinder 57 extends, and the receiving tray lifting drive motor 54 retracts to its original position. After the lens placement tray 60 in the receiving tray guide groove 58 is full of material, the stacked lens placement tray 60 is manually taken out. The automatic demoulding and lens removal machine for contact lenses provided by the present invention realizes the full-automatic demoulding, cutting of excess materials, heating, separation and removal of lenses, and lens tray loading of contact lenses. Only one operator is required to replenish materials and collect and release the material trays, which greatly improves production efficiency and saves costs.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic demoulding and contact lens removal device, comprising a frame (1), characterized in that: The top wall of the frame (1) is connected with an automatic feeding device (2), a demoulding device (3), a waste material cutting device (4), a material dividing device (6), a front material taking device (7), a heating device (5), a rear material taking device (8), a lens separation device (9), a lens transfer device (10), and a tray storage device (11), and the demoulding device (3) is connected to the top of the output end of the automatic feeding device (2), and the waste material cutting device (4), the material dividing device (6), the front material taking device (7), the heating device (5), the rear material taking device (8), the lens separation device (9), and the lens transfer device (10) , and a tray storage device (11) are sequentially connected to the top wall of the frame (1); the front material picking device and the rear material picking device include a material picking suction head (37), the top wall of the material picking suction head (37) is connected to a material picking lifting cylinder (38), the material picking lifting cylinder (38) is connected to a material picking telescopic cylinder (39) via a connecting plate, the material picking telescopic cylinder (39) is connected to the top wall of the frame (1) via a supporting frame, the heating device (5) is connected to the bottom of the material picking device, and the heating device (5) includes a heating device base (27), and the side wall of the heating device base (27) is connected to a stepping drive air cylinder (39). The stepping drive cylinder (28) is connected to a stepping lift cylinder (29) at its output end via a connecting plate, the stepping lift cylinder (29) is connected to a heating plate (32) at its output end, the heating plate (32) is internally connected to a heating rod (30), and the inner wall of the heating plate (32) is connected to a stepping grid plate (31); the lens separation and removal device (9) comprises a lens separation and removal device base (42), the bottom wall of the lens separation and removal device base (42) is connected to a translation drive motor (41), and the output end of the translation drive motor (41) is connected to an extrusion drive motor via a connecting plate. The lens separation device (40) is provided with a lens separation device, wherein the output end of the extrusion drive motor (40) is connected to a movable rack (46), the top wall of the lens separation device base (42) is also connected to a fixed rack (63), the movable rack (46) abuts against the fixed rack (63), the lens separation device base (42) is also connected to an upper mold support plate driving cylinder (43), the output end of the upper mold support plate driving cylinder (43) is connected to an upper mold support plate (44), and the interior of the lens separation device base (42) is connected to an upper mold connecting funnel (45), the upper mold connecting funnel (45) matches the upper mold support plate (44).

2. The automatic demoulding and contact lens removal device according to claim 1, characterized in that: The outlet of the automatic feeding device (2) is connected to a receiving plate (12), a feeding fork mechanism (16) is connected to the side wall of the receiving plate (12), a guiding mechanism (13) is connected to the bottom of the receiving plate (12), a notch is cut on the side wall of the receiving plate (12), a lower die slide groove (14) is connected to the notch, an upper die feeding mechanism (15) is connected to the end of the receiving plate (12) away from the automatic feeding device (2), and an end of the upper die feeding mechanism (15) away from the automatic feeding device (2) is connected to the excess material cutting device (4).

3. The automatic demoulding and contact lens removal device according to claim 1, characterized in that: The demoulding device (3) comprises a punching cylinder (17), the output end of the punching cylinder (17) is connected to a push rod, the end of the push rod away from the punching cylinder (17) is connected to a punching head (19), and a buffer spring (18) is connected to the outer wall of the push rod.

4. The automatic demoulding and contact lens removal device according to claim 2, characterized in that: The waste material cutting device (4) comprises a waste material cutting device base (20), a rotating motor (25) is connected to the side wall of the waste material cutting device base (20), an output end of the rotating motor (25) is connected to a rotating gear (23), a top wall of the waste material cutting device base (20) is connected to a fixed gear (26) via a connecting plate, a cutter (21) is connected to the top wall of the fixed gear (26), a dust collecting box (22) is also connected to the top wall of the fixed gear (26), and an air blowing pipe (24) is connected to the side wall of the dust collecting box (22).

5. The automatic demoulding and contact lens removal device according to claim 1, characterized in that: The material distribution device (6) comprises a material distribution bracket, a conveyor belt drive motor (35) is connected to the side wall of the material distribution bracket, the output end of the conveyor belt drive motor (35) is connected to the conveyor belt (34), the conveyor belt (34) is connected to the top wall of the material distribution bracket, a material distribution fork drive cylinder (36) is connected to the inner wall of the material distribution bracket, and the output end of the material distribution fork drive cylinder (36) is connected to the material distribution fork (33).

6. The automatic demoulding and contact lens removal device according to claim 1, characterized in that: A support frame is connected to the side wall of the lens separation and removal device base (42), a suction cup lifting drive cylinder (48) is connected to the bottom of the support frame, an output end of the suction cup lifting drive cylinder (48) is connected to a suction cup rotation drive cylinder (49), and an output end of the suction cup rotation drive cylinder (49) is connected to a lens removal suction cup (47).

7. The automatic demoulding and contact lens removal device according to claim 1, characterized in that: The lens transfer device (10) comprises a lens transfer device base (50), a top wall of the lens transfer device base (50) being connected to a horizontal transfer drive motor (51), an output end of the horizontal transfer drive motor (51) being connected to a lifting drive motor (52), and an output end of the lifting drive motor (52) being connected to a lens transfer suction cup (53).

8. The automatic demoulding and contact lens removal device according to claim 1, characterized in that: The tray storage device (11) comprises a fixed frame, a belt drive motor (56) is connected to the side wall of the fixed frame, a belt is connected to the outer wall of the output end of the belt drive motor (56), the bottom of the fixed frame is respectively connected to an empty tray lifting drive motor (62) and a receiving tray lifting drive motor (54) through a tray storage device base (55), the output ends of the empty tray lifting drive motor (62) and the receiving tray lifting drive motor (54) are both connected to a lens placement tray (60), the top wall of the fixed frame is connected to an empty tray guide groove (61) and a receiving tray guide groove (58), the top wall of the fixed frame is also connected to a tray card cylinder (57), and the side wall of the fixed frame is connected to a conveyor line blocking cylinder (59).

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