Search

CN-121973406-A - Sorting device for contact lens mold production and application method thereof

CN121973406ACN 121973406 ACN121973406 ACN 121973406ACN-121973406-A

Abstract

The invention discloses a sorting device for producing contact lens molds and a using method thereof, wherein the sorting device comprises a frame, an injection runner aggregate conveying mechanism, a picking and placing manipulator mechanism, a positioning tool distance-changing mechanism, a lower die frame mechanism, a cutting driving mechanism, an internal expansion type cutting mold mechanism, an upper die frame mechanism, a feed bin mechanism, a valve plate driving mechanism and a valve plate mechanism.

Inventors

  • LI YANG

Assignees

  • 浦生(上海)工业自动化设备有限公司

Dates

Publication Date
20260505
Application Date
20260409

Claims (9)

  1. 1. The utility model provides a sorting device is used in contact lens mould production, includes frame (100), runner aggregate conveying mechanism and getting blowing manipulator mechanism of moulding plastics, its characterized in that still includes: the positioning tool distance-changing mechanism is arranged in the frame (100) and corresponds to the position of the material taking and placing manipulator mechanism, and is used for driving the piece to be cut to rotate and adjusting the distance between the pieces to be cut; The lower die carrier mechanism is fixedly arranged at the top of the frame (100); the lower die carrier mechanism includes: the lower die frames (201) are provided with a pair, each lower die frame (201) is fixedly arranged in the frame (100) respectively and corresponds to the position of the positioning tool distance-changing mechanism, and a groove (2011) is formed in the top of each lower die frame (201); the cutting driving mechanism is arranged in the lower die frame mechanism and provides power for cutting work; the internal expansion type cutting die mechanism is arranged in the lower die frame mechanism, is matched with the cutting driving mechanism, and can move under the pressing of the cutting driving mechanism, so that the middle part of the internal expansion type cutting die mechanism is outwards expanded to clamp a piece to be cut; The internal expanding type cutting die mechanism comprises: the inner expansion type cutting dies (306) are provided with a pair, each inner expansion type cutting die (306) is respectively arranged in a groove (2011) of the corresponding lower die frame (201), and the top of each inner expansion type cutting die is abutted against the cutting driving mechanism; the first springs (307) are provided with two groups, and each group of first springs (307) is respectively arranged in a groove (2011) of the corresponding lower die frame (201) and matched with the corresponding inner expansion type cutting die (306); The outer shields (308) are provided with a pair, and each outer shield (308) is respectively arranged on the corresponding internal expansion type cutting die (306) and extends vertically; The eight-inclined-plane lower die supporting inner cores (309) are provided with a pair, each eight-inclined-plane lower die supporting inner core (309) is respectively arranged in a groove (2011) of the corresponding lower die frame (201) and is matched with the middle part of the corresponding inner expansion type cutting die (306), when the inner expansion type cutting die (306) moves downwards, the eight-inclined-plane lower die supporting inner cores (309) force the middle part of the inner expansion type cutting die (306) to expand outwards, and when the inner expansion type cutting die (306) resets upwards, the middle part of the inner expansion type cutting die (306) loses support and retracts inwards; The upper die carrier mechanism is arranged on the cutting driving mechanism, corresponds to the position of the internal expansion type cutting die mechanism, can move along the vertical direction under the driving of the cutting driving mechanism and is used for cutting materials from aggregate in cooperation with the internal expansion type cutting die mechanism; The feed bin mechanism is arranged at the bottom of the lower die frame mechanism; the valve plate driving mechanism is arranged in the frame (100); the valve plate mechanism is arranged on the valve plate driving mechanism and is matched with the bottom of the stock bin mechanism.
  2. 2. The sorting device for producing contact lens molds of claim 1, wherein the positioning tooling distance changing mechanism comprises: a divider (101) fixedly mounted in the frame (100); A first driving motor (102) of which the power output shaft is connected with the power input shaft of the divider (101); A variable-pitch chute plate (103) which is arranged in the frame (100), wherein an elliptical variable-pitch chute (1031) is arranged in the variable-pitch chute plate (103); A positioning tool turntable (104) which is mounted on a power output shaft of the divider (101); the first linear slide rails (105) are arranged, each first linear slide rail (105) is respectively arranged at the top of the positioning tool turntable (104), and the first linear slide rails are sequentially arranged at intervals of 90 degrees along the circumferential direction of the positioning tool turntable (104); the first positioning tool (106) is slidably assembled on a corresponding first linear slide rail (105) through a slide block; The positioning tool II (107) is assembled on the corresponding linear slide rail I (105) in a sliding way through a sliding block; The positioning tool III (108) is assembled on the corresponding linear slide rail I (105) in a sliding way through a sliding block; the positioning tool IV (109) is assembled on the corresponding linear slide rail I (105) in a sliding way through a sliding block; The positioning tool cams (110) are arranged in four, each positioning tool cam (110) is respectively and rotatably arranged at the bottoms of the corresponding first positioning tool (106), the second positioning tool (107), the third positioning tool (108) and the fourth positioning tool (109) and matched with the variable-pitch chute (1031), when the first positioning tool (106), the second positioning tool (107), the third positioning tool (108) and the fourth positioning tool (109) are driven by the positioning tool turntable (104) to rotate 90 degrees through the positioning tool cams (110), the first positioning tool (106) and the third positioning tool (108) are moved to the discharging position to discharge materials, the second positioning tool (107) and the fourth positioning tool (109) are moved to the receiving position to receive materials, and when the positioning tool turntable (104) is rotated by 90 degrees again, the first positioning tool (106) and the third positioning tool (108) are rotated to the receiving position to receive materials, and the second positioning tool (107) and the fourth positioning tool (109) are rotated to the discharging position to discharge materials.
  3. 3. The sorting apparatus for producing contact lens molds of claim 1, wherein the lower mold frame mechanism comprises: the mould supports (202) are provided with two groups, and each group of mould supports (202) are respectively arranged at the top of a corresponding lower mould frame (201) and are arranged along the vertical direction; And a pair of cylinder fixing plates (203), wherein each cylinder fixing plate (203) is connected with the top of a corresponding group of the mould supporting columns (202).
  4. 4. A contact lens mold production sorter as in claim 3 wherein the cutting drive comprises: A pair of cutting cylinders (301), each cutting cylinder (301) being mounted in a corresponding cylinder fixing plate (203) and extending in the vertical direction; the electric cylinder driving servo motors (302) are provided with a pair, and each electric cylinder driving servo motor (302) is respectively connected with the power input end of the corresponding cutting electric cylinder (301); The lower die expansion driving cylinders (303) are provided with a pair, and each lower die expansion driving cylinder (303) is respectively arranged on the upper end surface of the cylinder body of the corresponding cutting electric cylinder (301) and extends along the vertical direction; the connecting rods (304) are provided with two pairs, and each pair of connecting rods (304) is respectively connected with the piston heads of the corresponding lower die expansion driving cylinders (303); The pressure plates (305) are provided with a pair, and each pressure plate (305) is respectively connected with the bottoms of the two corresponding connecting rods (304) and is positioned above the lower die carrier (201).
  5. 5. The device of claim 4, wherein the upper mold frame mechanism comprises: the guide posts (401) are provided with two pairs, and each pair of guide posts (401) is respectively arranged in the corresponding lower die frame (201) and extends along the vertical direction; The upper die frames (402) are provided with a pair, each upper die frame (402) is fixedly connected with a power output shaft of a corresponding cutting electric cylinder (301) respectively, two ends of the upper die frames are respectively matched with corresponding guide posts (401) in a sliding manner through guide sleeves, each upper die frame (402) is internally provided with a back-blowing air runner (4021), and the back-blowing air runners (4021) penetrate through the upper die frames (402); two springs (403), which are provided with a pair, wherein each two spring (403) is respectively arranged in the corresponding upper die frame (402); The elastic pressing heads (404) are provided with a pair, each elastic pressing head (404) is respectively arranged in the corresponding upper die frame (402) and is abutted against the bottom of the corresponding second spring (403), and the elastic pressing heads (404) can move along the vertical direction; The upper cutting edges (405) are provided with two groups, each group of upper cutting edges (405) is respectively arranged in a corresponding upper die frame (402) and corresponds to the corresponding inner expansion type cutting die (306), each upper cutting edge (405) is provided with an air outlet hole (4051), and the air outlet holes (4051) are communicated with the back blowing air flow channel (4021); and the springs III (406) are provided with two pairs, and each pair of springs III (406) is sleeved on a corresponding pair of guide posts (401) respectively.
  6. 6. The sorting apparatus for contact lens mold production of claim 1, wherein: the feed bin mechanism includes: The material flow passages (501) are provided with a pair, each material flow passage (501) is respectively arranged at the bottom of the corresponding lower die frame (201), and the feeding end of each material flow passage is communicated with the cutting position of the internal expansion cutting die (306); The material conveying device comprises material bins (502), wherein two groups of material bins (502) are arranged, each group of material bins (502) is respectively arranged in a rack (100), a through groove I (5021) is formed in each material bin (502), and the top end of each through groove I (5021) is communicated with the discharge end of a corresponding material runner (501); the first bin cover plates (503) are provided with a pair, and each first bin cover plate (503) is respectively arranged in the frame (100) and is positioned above the corresponding bin (502); and the second bin cover plates (504) are provided with a pair, and each second bin cover plate (504) is respectively installed in the rack (100) and is positioned above the corresponding bin (502).
  7. 7. The sorting apparatus for contact lens mold production of claim 6, wherein: the valve plate driving mechanism includes: a first servo motor (601) fixedly mounted on the frame (100) and arranged in the transverse direction; the first driving belt structure (602) is arranged on the frame (100) and is connected with a power output shaft of the first servo motor (601); a first transmission shaft (603) rotatably installed in the frame (100) and connected at one end to the first transmission belt structure (602); the first synchronous belt pulleys (604), the first synchronous belt pulleys (604) are provided with a pair, and each first synchronous belt pulley (604) is respectively arranged at two ends of the first transmission shaft (603); A transmission shaft II (605) rotatably mounted in the frame (100); A second synchronous pulley (606) provided with a pair, wherein each second synchronous pulley (606) is respectively arranged at two ends of the second transmission shaft (605) and corresponds to the first synchronous pulley (604); One end of each synchronous belt I (607) is sleeved on the corresponding synchronous belt wheel I (604), and the other end of each synchronous belt I (607) is sleeved on the corresponding synchronous belt wheel II (606); A second linear slide rail (608) provided with a pair, wherein each second linear slide rail (608) is respectively arranged on the frame (100); The valve plate mechanism includes: The two ends of the split valve plate I (701) are fixedly arranged on upper belt bodies of the two synchronous belt I (607) respectively, are positioned at the bottom of the stock bin (502) and are in sliding fit with the corresponding linear slide rail II (608) through a sliding block; And the two ends of the split valve plate II (702) are respectively and fixedly arranged on the lower belt bodies of the two synchronous belts I (607), are positioned at the bottom of the stock bin (502) and are in sliding fit with the corresponding linear slide rail II (608) through the sliding blocks.
  8. 8. The sorting device for contact lens mold production of claim 1, wherein the pick-and-place robot mechanism comprises: the linear motion module I (801) is fixedly arranged on the frame (100); The linear motion module II (802) is fixedly arranged on the frame (100); A module parallel connecting rod (803), one end of which is connected with the power input shaft of the first linear motion module (801), and the other end of which is connected with the power input shaft of the second linear motion module (802); A traversing driving servo motor (804) which is arranged on the first linear motion module (801) and the power output shaft of which is connected with the power input shaft of the first linear motion module (801); The two ends of the material taking manipulator beam (805) are fixedly connected with the movable ends of the first linear motion module (801) and the second linear motion module (802) respectively; the upper and lower cylinders (806) are provided with a pair, and each upper and lower cylinder (806) is respectively arranged on the cross beam (805) of the material taking manipulator and corresponds to the position of the internal expansion type cutting die (306); a pair of suction cup holders (807), each suction cup holder (807) being mounted on the end of a piston rod of a corresponding upper and lower cylinder (806); and the vacuum chucks (808) are provided with two groups, and each group of vacuum chucks (808) are respectively arranged in the corresponding chuck frame (807).
  9. 9. A method of using a contact lens mold production sorter as claimed in any one of claims 1 to 8, comprising the steps of: A1, respectively placing two pieces to be cut in a positioning tool distance-changing mechanism, driving the two pieces to be cut to rotate 90 degrees by the positioning tool distance-changing mechanism, and pulling the distance between the two pieces to be cut apart to enable the positions of the two pieces to be cut to be matched with a material taking and discharging manipulator mechanism; a2, moving the material taking and placing manipulator mechanism to the position above the piece to be cut, adsorbing the piece to be cut, driving the piece to be cut to move to the position above the internal expansion type cutting die mechanism, then releasing the piece to be cut, placing the piece to be cut into the internal expansion type cutting die mechanism, and resetting the material taking and placing manipulator mechanism; a3, starting a cutting driving mechanism, driving an internal expansion type cutting die mechanism to move downwards, expanding the middle part of an internal expansion type cutting die (306) in the downward moving process, fastening a piece to be cut, then moving downwards an upper die frame mechanism and matching with the internal expansion type cutting die mechanism, cutting a material from aggregate, blowing high-pressure air in a back-blowing air flow channel (4021) in the upper die frame mechanism, and blowing the material into a stock bin mechanism; A4, resetting the upper die frame mechanism and the internal expansion type cutting die, moving the material taking and placing manipulator mechanism towards the internal expansion type cutting die mechanism, taking out the residual aggregate in the internal expansion type cutting die mechanism, transferring the aggregate into an injection runner aggregate conveying mechanism, and conveying the aggregate out of the frame (100) by the injection runner aggregate conveying mechanism; a5, moving the cut and dropped materials to a bin mechanism, and storing the cut and dropped materials separately; And A6, when discharging, the valve plate driving mechanism drives the valve plate mechanisms to be mutually far away, so that the valve plate mechanisms are enabled to release the sealing of the bottom of the bin mechanism, the bottom of the bin mechanism is opened, materials are discharged out of the bin (502) and fall into the AGV trolley, then the valve plate driving mechanism drives the valve plate mechanisms to be mutually close, the bottom of the bin mechanism is closed, and the device is ready for the next round of operation.

Description

Sorting device for contact lens mold production and application method thereof Technical Field The invention relates to the technical field of contact lens mold processing, in particular to a sorting device for contact lens mold production and a using method thereof. Background Contact lens molds are an indispensable manufacturing tool in the contact lens manufacturing process. In order to maximize the materials with various types and degrees in the single-time injection molding process, most of the products processed by the injection molding machine are petal-shaped to-be-cut pieces, the petal-shaped to-be-cut pieces comprise runner rod aggregates and annular equidistant materials distributed on the runner rods, the degrees of each material are different, then the materials are required to be cut off from the aggregates, and the materials with different degrees are stored and conveyed separately. But current downcut the material and be mostly artifical or semi-automatic going on, artifical blank inefficiency can appear the condition that the material of different degrees was confused simultaneously, and semi-automatic letter sorting needs artifical cooperation machine to go on simultaneously, and same inefficiency. Therefore, there is a need for an improvement in such a structure to overcome the above-mentioned drawbacks. Disclosure of Invention The invention aims to provide a sorting device for producing contact lens molds and a using method thereof, so as to solve the problems in the background art. The invention adopts the technical proposal for solving the technical problems that: the utility model provides a sorting device is used in contact lens mould production, includes frame, runner aggregate conveying mechanism and gets blowing manipulator mechanism of moulding plastics, still includes: The positioning tool distance-changing mechanism is arranged in the frame, corresponds to the position of the material taking and placing manipulator mechanism, and is used for driving the piece to be cut to rotate and adjusting the distance between the pieces to be cut; The lower die carrier mechanism is fixedly arranged at the top of the frame; The lower die frame mechanism comprises a pair of lower die frames, wherein each lower die frame is fixedly arranged in the frame and corresponds to the position of the positioning tool distance-changing mechanism, and the top of each lower die frame is provided with a groove; the cutting driving mechanism is arranged in the lower die frame mechanism and provides power for cutting work; the internal expansion type cutting die mechanism is arranged in the lower die frame mechanism, is matched with the cutting driving mechanism, and can move under the pressing of the cutting driving mechanism, so that the middle part of the internal expansion type cutting die mechanism is outwards expanded to clamp a piece to be cut; the internal expansion type cutting die mechanism comprises a pair of internal expansion type cutting dies, wherein each internal expansion type cutting die is respectively arranged in a groove of a corresponding lower die frame, and the top of each internal expansion type cutting die is abutted against the cutting driving mechanism; the first springs are provided with two groups, and each group of first springs are respectively arranged in the grooves of the corresponding lower die frames and are matched with the corresponding internal expansion cutting dies; the outer shields are provided with a pair, and each outer shield is respectively arranged on the corresponding internal expansion type cutting die and extends vertically; the eight-inclined-plane lower die supporting inner cores are provided with a pair of eight-inclined-plane lower die supporting inner cores, are respectively arranged in the grooves of the corresponding lower die frames and are matched with the middle parts of the corresponding inner expansion type cutting dies, when the inner expansion type cutting dies move downwards, the eight-inclined-plane lower die supporting inner cores force the middle parts of the inner expansion type cutting dies to expand outwards, and when the inner expansion type cutting dies reset upwards, the middle parts of the inner expansion type cutting dies lose support and retract inwards; The upper die carrier mechanism is arranged on the cutting driving mechanism, corresponds to the position of the internal expansion type cutting die mechanism, can move along the vertical direction under the driving of the cutting driving mechanism and is used for cutting materials from aggregate in cooperation with the internal expansion type cutting die mechanism; The feed bin mechanism is arranged at the bottom of the lower die frame mechanism; The valve plate driving mechanism is arranged in the rack; the valve plate mechanism is arranged on the valve plate driving mechanism and is matched with the bottom of the stock bin mechanism. The positioning tool distance-changing mecha