CN220482351U - Contact lens demoulding device - Google Patents
Contact lens demoulding device Download PDFInfo
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- CN220482351U CN220482351U CN202322123151.3U CN202322123151U CN220482351U CN 220482351 U CN220482351 U CN 220482351U CN 202322123151 U CN202322123151 U CN 202322123151U CN 220482351 U CN220482351 U CN 220482351U
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- 238000001125 extrusion Methods 0.000 claims description 55
- 238000003825 pressing Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 29
- 238000007688 edging Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 235000009074 Phytolacca americana Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a contact lens production process, in particular to a contact lens demolding device in the contact lens production and processing process, which comprises a die return turntable and an upper turntable which are coaxially connected; the mould arranging turntable and the upper turntable are all circular in outline, the diameter size of the upper turntable is larger than that of the mould arranging turntable, the upper turntable is positioned above the mould arranging turntable, the bottom end of the mould arranging turntable is connected to the top end of the workbench, and the mould arranging turntable and the upper turntable intermittently rotate around the center; one side of the die return turntable is provided with a first arc block along the clockwise direction of a feed inlet of the die assembly, the height of the first arc block is larger than that of the die return turntable and smaller than that of the die assembly, the bottom end of the first arc block is fixed at the top end of the workbench through a connecting piece, and a limiting channel M is formed between the inner side of the first arc block and the outer side of the die return turntable; the utility model meets the requirements of the existing production process and realizes the simultaneous separation of the upper die and the scraps when the die components are separated.
Description
Technical Field
The utility model relates to a contact lens production process, in particular to a contact lens demoulding device in the contact lens production and processing process.
Background
In the production of contact lenses, no matter which process is used, no matter what equipment is used, molds are required, so that a demolding process is inevitably present in most contact lens production.
The demolding device comprises an upper mold and a lower mold of the existing contact lens, wherein the upper mold is sucked away by a vacuum collector through a suction pipe, for example, the publication number is CN210256954U, the upper mold is firstly removed, the leftover materials are removed through an outer circular block, and finally compressed air is blown into a cover box through an air blowing pipe, meanwhile, the vacuum collector works, the upper mold is sucked away by the upper suction pipe, however, the technology of the demolding device cannot realize that the upper mold and the leftover materials of a mold assembly are simultaneously removed, and the existing production technology requirements cannot be met.
Therefore, a contact lens demolding device needs to be designed, the requirement of the existing production process is met, and the upper die and the leftover materials are separated simultaneously when the die components are separated.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a contact lens demolding device.
The utility model provides a contact lens demolding device, which comprises a die arranging turntable and an upper turntable which are coaxially connected, wherein the die arranging turntable and the upper turntable are both turntable with circular outer contours;
the diameter size of the upper turntable is larger than that of the mold arranging turntable, the upper turntable is positioned above the mold arranging turntable, the bottom end of the mold arranging turntable is connected to the top end of the workbench, and the mold arranging turntable and the upper turntable intermittently rotate around the center;
a first arc-shaped block is arranged on one side of the die return turntable along the clockwise direction of the feed inlet of the die assembly, the height of the first arc-shaped block is larger than that of the die return turntable and smaller than that of the die assembly, the bottom end of the first arc-shaped block is fixed at the top end of the workbench through a connecting piece, and a limiting channel M is formed between the inner side of the first arc-shaped block and the outer side of the die return turntable;
the die resetting rotary table is used for outputting the lower die through a limiting channel M;
an extrusion device, a hammering device and a pulling-off device are sequentially arranged above the upper turntable along the clockwise direction of a feeding hole of the die assembly, and one ends of the extrusion device, the hammering device and the pulling-off device are respectively connected with the top end of the workbench;
the extrusion device is connected with the controller and used for extruding the upper die edge of the die assembly;
the hammering device is connected with the controller and is used for separating the upper die from the lower die and simultaneously downwards molding the separated upper die into a limiting channel M of the die arranging turntable,
the poking device is connected with the controller and is used for removing the upper die and the scrap edges;
further, the edge of the bottom end of the die return turntable is provided with a plurality of second arc blocks, the top ends of the second arc blocks are slightly higher than the bottom end of the die return turntable, the bottom ends of the second arc blocks are connected with the bottom ends of the grooves at the top end of the workbench, and a circular ring channel P is formed between the second arc blocks and the edge of the die return turntable ， Is used for placing the lower die and is provided with a lower die,
the circular channel P coincides with the limiting channel M;
the tail part of the limiting channel M is provided with a steering stop block, and the steering stop block is flush with the first arc-shaped block in height;
the arc surface at one end of the steering stop block is overlapped with the circle center of the arc surface at the tail part of the limiting channel M;
the steering stop block is fixed at the top end of the workbench through a connecting piece, a mold assembly channel is formed between the steering stop block and the tail of the limiting channel M, one end of the mold assembly channel is communicated with the tail of the limiting channel M, and the other end of the mold assembly channel, which is far away from the limiting channel M, is connected with a trough inclining towards the top end of the workbench;
further, N mould clamping grooves are uniformly distributed at the edge of the upper turntable, the numerical value of N is more than or equal to 6, and the N clamping grooves are defined as a first clamping groove, a second clamping groove, … …, an N-1 clamping groove and an N clamping groove in the clockwise direction; in an initial state, stations corresponding to N clamping grooves in the clockwise direction are defined as a first station, a second station, a … … station, an N-1 station and an N station, and the extrusion device, the hammering device and the separating device are sequentially arranged between the first station and the N station in the clockwise direction;
further, the extrusion device comprises two extrusion heads and a first fixing frame;
the extruding device is arranged close to the first station ， The two extrusion heads are semicircular clamps, one ends of the two extrusion heads are provided with first telescopic rods, one ends of the first telescopic rods are connected with one ends of the two extrusion heads, the other ends of the two extrusion heads face the top end of the upper rotary table, the other ends of the first telescopic rods are connected to the top end of a first fixing frame, and the bottom end of the first fixing frame is connected with the top end of the workbench;
the controller is connected with the first telescopic rod and the two extrusion heads and is used for controlling the first telescopic rod to stretch out and draw back in place and then clamping the upper die edge in the die assembly through the two extrusion heads to extrude;
further, the hammering device comprises a hammering head and a second fixing frame;
the hammer pressing device is arranged close to the two extrusion heads, the hammer pressing heads are of cylindrical structures, and the diameter size of the hammer pressing heads is slightly larger than that of the upper die; one end of the hammer pressing head is provided with a second telescopic rod; one end of the second telescopic rod is connected with one end of the hammer pressing head, the other end of the hammer pressing head faces to the top end of the upper rotary table, the other end of the second telescopic rod is connected with the top end of the second fixing frame, and the bottom end of the second fixing frame is connected with the top end of the workbench;
the controller is connected with the second telescopic rod and is used for controlling the second telescopic rod to drive the hammer pressing head to press the lower die into the limiting channel M of the die return turntable
Further, the poking device comprises a poking rod and a third fixing frame;
the bottom end of the third fixing frame is connected with the top end of the workbench;
a material leakage opening is arranged on the workbench positioned below the poking device,
the poking device is arranged close to the hammer pressing head, the poking rod is a rectangular connecting rod, one end of the poking rod is nested with a rotating shaft, the rotating shaft is positioned at the bottom end of the third fixing frame, the rotating shaft is connected with the bottom end of the third fixing frame through a driving motor mounting seat, the input end of the rotating shaft is connected with a driving motor, one end of the poking rod is nested in the rotating shaft, the other end of the poking rod is positioned at one side of the upper rotating disc, and a controller is connected with the driving motor of the rotating shaft and is used for controlling the rotating shaft of the driving motor to drive the upper die and the leftover materials to be poked away through the movement of the poking rod and throwing the upper die and the leftover materials into a material leakage opening;
further, N has a value of 12, and 12 slots are defined as a first slot, a second slot, … …, an eleventh slot and a twelfth slot in the clockwise direction;
the first clamping groove, the second clamping groove, the … …, the eleventh clamping groove and the twelfth clamping groove are all communicated with guide grooves along the circle center of the upper rotary table, and the guide grooves are matched with the poking device and are used for removing upper dies and leftover materials on stations;
in the initial state, defining the stations corresponding to the first clamping groove as a first station, and then analogizing the first station, the second station, the third station, the fourth station, the fifth station, the sixth station, the seventh station, the eighth station, the ninth station, the tenth station, the eleventh station and the twelfth station 12;
the first station is a feeding station, and the die assembly is placed in a clamping groove corresponding to the first station; the second station corresponds to the extrusion device, the third station corresponds to the hammering device, and the tenth station corresponds to the pulling-out device;
further, the first clamping groove, the second clamping groove, the … …, the eleventh clamping groove and the twelfth clamping groove are respectively provided with a step hole, the step holes comprise an upper through hole and a lower through hole, the diameter size of the upper through hole is smaller than the edge of the upper die, and the diameter size of the lower through hole is larger than the diameter size of the bottom end of the lower die;
compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the upper die and the leftover materials are separated from the lower die by arranging the die return turntable and the upper turntable which are coaxially connected, and arranging the first extrusion device and the hammer pressing device above the upper turntable in a clockwise direction along a feed inlet of the die assembly, and the upper die and the leftover materials are simultaneously separated from a station of the upper turntable by the separating device along with the rotation of the upper turntable, so that the existing production requirements are met;
(2) According to the utility model, the lower die is extruded into the limiting channel M along with the rotation of the die return turntable, a die assembly channel is formed between the steering stop block and the tail of the limiting channel M at the end of the limiting channel M, and the lower die is output from the channel.
Drawings
The following drawings are illustrative of the utility model and are not intended to limit the scope of the utility model, in which:
fig. 1: schematic drawing of a contact lens demolding device mounted on a work table;
fig. 2: schematic of the installation of a contact lens demolding device for a display channel;
fig. 3: the upper rotary table structure of the demolding and mirror taking rotary table device in the embodiment is schematically shown;
fig. 4: a working object-mould assembly structure schematic diagram of the utility model in the embodiment;
fig. 5: is a schematic structural diagram of a first extrusion device of the utility model;
fig. 6: the structure of the hammering device is schematically shown;
in the figure: 1-first station, 2-second station, 3-third station, 4-fourth station, 5-fifth station, 6-sixth station, 7-seventh station, 8-eighth station, 9-ninth station, 10-tenth station, 11-eleventh station, 12-twelfth station, 13-die return turntable, 13-1-second arc block, 13-2-turning block, 14-upper turntable, 15-extrusion device, 15-1-extrusion head, 16-hammer device, 16-1-hammer head, 17-stripping device, 17-1-deflector rod, 17-2-discharge opening, 18-upper die, 19-lower die, 20-step.
Detailed Description
The present utility model will be further described in detail with reference to the following specific examples, which are given by way of illustration, in order to make the objects, technical solutions, design methods and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-3, the utility model provides a contact lens demolding device, which comprises a mold return turntable 13 and an upper turntable 14 which are coaxially connected, wherein the mold return turntable 13 and the upper turntable 14 are all turntables with circular outer contours;
the diameter size of the upper turntable 14 is larger than that of the die arranging turntable 13, the upper turntable 14 is positioned above the die arranging turntable 13, the bottom end of the die arranging turntable 13 is connected to the top end of the workbench, and the die arranging turntable 13 and the upper turntable 14 intermittently rotate around the center;
a first arc-shaped block 13-1 is arranged on one side of the die arranging turntable 13 along the clockwise direction of a feed inlet of the die assembly, the height of the first arc-shaped block 13-1 is larger than that of the die arranging turntable 13 and smaller than that of the die assembly, the bottom end of the first arc-shaped block 13-1 is fixed at the top end of the workbench through a connecting piece, and a limiting channel M is formed between the inner side of the first arc-shaped block 13-1 and the outer side of the die arranging turntable 13;
the die setting turntable 13 is used for outputting a lower die 19 through a limiting channel M;
an extrusion device 15, a hammer pressing device 16 and a poking device 17 are sequentially arranged above the upper turntable 14 along the clockwise direction of a feeding hole of the die assembly; one end of the extrusion device 15, the hammer pressing device 16 and the poking device 17 are respectively connected with the top end of the workbench;
it should be noted that, the mold assembly is an upper mold 18 and a lower mold 19 assembled together by injection molding, and the feed inlet of the mold assembly is communicated with the clamping groove of the upper turntable 14, so that the mold assembly is placed into the clamping groove of the upper turntable 14 after injection molding;
the extrusion device 15 is connected with the controller and is used for extruding the edge of the upper die 18 of the die assembly;
the hammering device 16 is connected with a controller and is used for separating the upper die 18 from the lower die 19, simultaneously pressing the separated lower die 19 into a limiting channel M of the die arranging turntable 13,
the pulling-out device 17 is connected with the controller and is used for removing the upper die 18 and the scrap edges;
further, the edge of the bottom end of the die return turntable 13 is provided with a plurality of second arc blocks, the top ends of the second arc blocks are slightly higher than the bottom end of the die return turntable 13, the bottom ends of the second arc blocks are connected with the bottom ends of the grooves at the top end of the workbench, and a circular ring channel P is formed between the second arc blocks and the edge of the die return turntable 13 ， For the placement of the lower die 19,
the circular channel P coincides with the limiting channel M;
the tail part of the limiting channel M is provided with a steering stop block 13-2, and the steering stop block 13-2 is level with the first arc-shaped block 13-1 in height;
the arc surface at one end of the steering stop block 13-2 is overlapped with the circle center of the arc surface at the tail part of the limiting channel M;
the steering stop block 13-2 is fixed at the top end of the workbench through a connecting piece, a die assembly channel 13-3 is formed between the steering stop block 13-2 and the tail part of the limiting channel M, one end of the die assembly channel 13-3 is communicated with the tail part of the limiting channel M, and a trough inclined towards the top end of the workbench is connected to the other end of the die assembly channel 13-3 far away from the limiting channel M;
further, N mold clamping grooves are uniformly distributed at the edge of the upper turntable 14, the numerical value of N is greater than or equal to 6, and the N clamping grooves are defined as a first clamping groove, a second clamping groove, … …, an N-1 clamping groove and an N-th clamping groove in the clockwise direction; in the initial state, stations corresponding to N clamping grooves along the clockwise direction are defined as a first station, a second station, … …, an N-1 station and an N station, and the extrusion device 15, the hammer pressing device 16 and the separating device 17 are sequentially arranged between the first station and the N station along the clockwise direction;
further, the extrusion device 15 comprises two extrusion heads 15-1 and a first fixing frame;
the extrusion device 15 is arranged near the first station ， The two extrusion heads 15-1 are semicircular clamps, one end of each extrusion head 15-1 is provided with a first telescopic rod, one end of each first telescopic rod is connected with one end of each extrusion head 15-1, the other end of each extrusion head 15-1 faces towards the top end of the upper rotary table 14, the other end of each first telescopic rod is connected to the top end of a first fixing frame, and the bottom end of each first fixing frame is connected with the top end of the workbench;
the controller is connected with the first telescopic rod and the two extrusion heads 15-1 and is used for controlling the first telescopic rod to stretch in place and then clamping the edge of an upper die 18 in the die assembly through the two extrusion heads 15-1 to extrude;
further, the hammering device 16 comprises a hammering head 16-1 and a second fixing frame;
the hammer pressing device 16 is arranged close to the two extrusion heads 15-1, the hammer pressing head 16-1 is of a cylindrical structure, and the diameter size of the hammer pressing head 16-1 is slightly larger than that of the upper die 18; a second telescopic rod is arranged at one end of the hammer pressing head 16-1;
one end of the second telescopic rod is connected with one end of the hammer pressing head 16-1, the other end of the hammer pressing head 16-1 faces towards the top end of the upper rotary table 14, the other end of the second telescopic rod is connected with the top end of the second fixing frame, and the bottom end of the second fixing frame is connected with the top end of the workbench;
the controller is connected with the second telescopic rod and is used for controlling the second telescopic rod to drive the hammer pressing head 16-1 to press the lower die 19 into the limiting channel M of the die return turntable 13 ；
Further, the pulling-out device 17 comprises a pulling rod 17-1 and a third fixing frame;
the bottom end of the third fixing frame is connected with the top end of the workbench;
a material leakage opening 17-2 is arranged on the workbench below the poking device 17,
the poking device 17 is arranged close to the hammer pressing head 16-1, the poking rod 17-1 is a rectangular connecting rod, one end of the poking rod 17-1 is nested with a rotating shaft, the rotating shaft is positioned at the bottom end of the third fixing frame, the rotating shaft is connected with the bottom end of the third fixing frame through a driving motor mounting seat, the input end of the rotating shaft is connected with a driving motor, one end of the poking rod 17-1 is nested on the rotating shaft, the other end of the poking rod 17-1 is positioned at one side of the upper rotary table 14, a controller is connected with a driving motor of the rotating shaft and is used for controlling the rotating shaft of the driving motor to drive the upper die 18 and the leftover materials to be poked away through the movement of the poking rod 17-1 and to throw the upper die 18 and the leftover materials into the feed leakage opening 17-2;
it should be noted that, the extrusion head 15-1 of the extrusion device 15 is formed by enclosing 2 semicircular clips, the extrusion device 15 can stretch in the vertical direction, after stretching in place, the 2 semicircular clips clamp the edge of the upper die 18 of the die assembly to extrude, so that the upper die 18 deforms, and therefore, the upper die 18 and the lens can be loosened, and the upper die 18 and the lower die 19 can be loosened, so that the subsequent separation is facilitated, but the extrusion will not deform the lower die 19, and therefore, any effect will not be generated between the lower die 19 and the lens; the hammer pressing head 16-1 of the hammer pressing device 16 can stretch in the vertical direction, and in the process of pressing down the upper die 18, a gap between the upper die 18 and the lower die 19 is utilized, so that the lens and the leftover materials are disconnected, any influence on the space between the lower die 19 and the lens is avoided in the process of hammering the upper die 18, and as the clamping grooves are stepped holes, the stepped holes comprise an upper through hole and a lower through hole, the diameter size of the upper through hole is smaller than the edge of the upper die 18, and the diameter size of the lower through hole is larger than the diameter size of the bottom end of the lower die 19, so that when the hammer pressing head 16-1 of the hammer pressing device 16 works in the vertical direction, the upper die 18 and the leftover materials are separated from the lower die 19, and the lower die 19 is forced to be pressed into a limiting channel M of the die setting turntable 13; the poking device 17 pokes the upper die 18 and the leftover materials into the material leakage opening 17-2 from the tenth station 10 through the guide groove by using the poking rod 17-1, and falls into the collecting barrel below the material leakage opening 17-2;
further, the value of N is 12, and 12 slots are defined as a first slot, a second slot, … …, an eleventh slot and a twelfth slot in the clockwise direction;
the first clamping groove, the second clamping groove, the … …, the eleventh clamping groove and the twelfth clamping groove are all communicated with guide grooves along the circle center of the upper turntable 14, and the guide grooves are matched with the deflector rod 17-1 of the poking device 17 and are used for removing the upper die 18 and the scraps on the station;
in the initial state, the corresponding stations of the first clamping groove are defined as a first station 1, and then a second station 2, a third station 3, a fourth station 4, a fifth station 5, a sixth station 6, a seventh station 7, an eighth station 8, a ninth station 9, a tenth station 10, an eleventh station 11 and a twelfth station 12 are analogically defined;
the first station is a feeding station, and the die assembly is placed in a clamping groove corresponding to the first station; the second station corresponds to the extrusion device 15, the third station corresponds to the hammering device 16, and the tenth station corresponds to the pulling-off device 17;
further, the first clamping groove, the second clamping groove, the … …, the eleventh clamping groove and the twelfth clamping groove are respectively provided with a step hole, the step holes comprise an upper through hole and a lower through hole, the diameter size of the upper through hole is smaller than the edge of the upper die 18, and the diameter size of the lower through hole is larger than the diameter size of the bottom end of the lower die 19;
it should be noted that, in the present application, the lower mold 19 passing through the mold has a step 20, for the lens body, the upper portion of the step 20 is a lens layer, the side portion of the step 20 is a rim material layer, and the thickness of rim material is far less than that of the lens;
the contact lens demolding device comprises a mold return turntable 13 and an upper turntable 14 which are coaxially connected,
the upper rotary table 14 is sequentially provided with an extrusion device 15, a hammer pressing device 16 and a pulling-out device 17 along the clockwise direction of a feeding hole of the die assembly, the edge of an upper die 18 of the die assembly is extruded through the extrusion device 15, and the upper die 18 is deformed by extrusion, so that the upper die 18 and a lens can be loosened, and looseness can be generated between the upper die 18 and a lower die 19, thereby facilitating subsequent separation;
the hammering device 16 is arranged, and the gap between the upper die 18 and the lower die 19 is utilized, so that the purpose is to break the lenses and the leftover materials, any influence on the lower die 19 and the lenses is avoided in the hammering process of the upper die 18, and the clamping grooves are all stepped holes, wherein the stepped holes comprise upper through holes and lower through holes, the diameter size of the upper through holes is smaller than the edge of the upper die 18, and the diameter size of the lower through holes is larger than the diameter size of the bottom end of the lower die 19, so that when the hammering head 16-1 of the hammering device 16 works in the vertical direction, the upper die 18 and the leftover materials are separated from the lower die 19, and the lower die 19 is forced to be pressed into a limiting channel M of the die resetting turntable 13; as the mold return turntable 13 rotates, the lower mold 19 is extruded into the limiting passage M, a mold assembly passage 13-3 is formed between the turning stop 13-2 and the tail of the limiting passage M at the end of the limiting passage M, and the lower mold 19 is output from the passage 13-3 to the trough;
the upper die 18 and the leftover materials are separated from each other through the deflector rod 17-1 of the separating device 17 along with the rotation of the upper rotary table 14, and are fed into the material leakage opening 17-2, so that the existing production requirements are met, and the upper die and the leftover materials are taken away simultaneously.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (8)
1. A contact lens demolding device, which is characterized by comprising a mold return turntable (13) and an upper turntable (14) which are coaxially connected;
the die arranging turntable (13) and the upper turntable (14) are all turntable with circular outer contours, the diameter size of the upper turntable (14) is larger than that of the die arranging turntable (13), the upper turntable (14) is positioned above the die arranging turntable (13), the bottom end of the die arranging turntable (13) is connected in a groove formed in the top end of the workbench, and the die arranging turntable (13) and the upper turntable (14) intermittently rotate around the center;
a first arc-shaped block (13-1) is arranged on one side of the die return turntable (13) along the clockwise direction of a feed inlet of the die assembly, the height of the first arc-shaped block (13-1) is larger than that of the die return turntable (13) and smaller than that of the die assembly, the bottom end of the first arc-shaped block (13-1) is fixed at the top end of the workbench through a connecting piece, and a limiting channel M is formed between the inner side of the first arc-shaped block (13-1) and the outer side of the die return turntable (13);
the die arranging turntable (13) is used for outputting the lower die (19) through a limiting channel M;
an extrusion device (15), a hammering device (16) and a poking device (17) are sequentially arranged above the upper rotary table (14) along the clockwise direction of a feeding hole of the die assembly, one ends of the extrusion device (15), the hammering device (16) and the poking device (17) are respectively connected with the top end of the workbench,
the extrusion device (15) is connected with the controller and is used for extruding the edge of an upper die (18) of the die assembly;
the hammering device (16) is connected with the controller and is used for separating the upper die (18) from the lower die (19) and simultaneously pressing the separated lower die (19) into a limiting channel M of the die return turntable (13),
the pulling-out device (17) is connected with the controller and used for removing the upper die (18) and the edging scraps.
2. A contact lens demolding device according to claim 1, characterized in that,
the edge of the bottom end of the die return rotary table (13) is provided with a plurality of second arc blocks, the top ends of the second arc blocks are slightly higher than the bottom end of the die return rotary table (13), the bottom ends of the second arc blocks are connected with the bottom ends of the grooves at the top end of the workbench, and a circular ring channel P is formed between the second arc blocks and the edge of the die return rotary table (13) ， For placing the lower die (19),
the circular channel P coincides with the limiting channel M;
the tail part of the limiting channel M is provided with a steering stop block (13-2), and the steering stop block (13-2) is level with the first arc-shaped block (13-1);
an arc surface at one end of the steering stop block (13-2) is overlapped with the circle center of the arc surface at the tail part of the limiting channel M;
the steering stop block (13-2) is fixed at the top end of the workbench through a connecting piece, a die assembly channel (13-3) is formed between the steering stop block (13-2) and the tail part of the limiting channel M, one end of the die assembly channel (13-3) is communicated with the tail part of the limiting channel M, and the other end of the die assembly channel (13-3) far away from the limiting channel M is connected with a trough inclined towards the top end of the workbench.
3. A contact lens demolding device according to claim 1, characterized in that,
n mould clamping grooves are uniformly distributed at the edge of the upper rotary table (14), the numerical value of N is more than or equal to 6, and the N clamping grooves are defined as a first clamping groove, a second clamping groove, … …, an N-1 clamping groove and an N clamping groove in the clockwise direction; in the initial state, stations corresponding to N clamping grooves along the clockwise direction are defined as a first station, a second station, a … … station, an N-1 station and an N station, and the extrusion device (15), the hammer pressing device (16) and the poking device (17) are sequentially arranged between the first station and the N station along the clockwise direction.
4. A contact lens demolding device according to claim 3, characterized in that,
the extrusion device (15) comprises two extrusion heads (15-1) and a first fixing frame;
the extrusion device (15) is arranged close to the first station ， The two extrusion heads (15-1) are semicircular clamps, one ends of the two extrusion heads (15-1) are provided with first telescopic rods, one ends of the first telescopic rods are connected with one ends of the two extrusion heads (15-1), the other ends of the two extrusion heads (15-1) face towards the top end of the upper rotary table (14), the other ends of the first telescopic rods are connected to the top end of a first fixing frame, and the bottom end of the first fixing frame is connected with the top end of the workbench;
the controller is connected with the first telescopic rod and the two extrusion heads (15-1) and is used for controlling the first telescopic rod to stretch out and draw back in place and then clamping the edge of an upper die (18) in the die assembly through the two extrusion heads (15-1) to extrude.
5. A contact lens demolding device as claimed in claim 4, characterized in that,
the hammering device (16) comprises a hammering head (16-1) and a second fixing frame;
the hammer pressing device (16) is arranged close to the two extrusion heads (15-1), the hammer pressing head (16-1) is of a cylindrical structure, and the diameter size of the hammer pressing head (16-1) is slightly larger than that of the upper die (18); one end of the hammer pressure head (16-1) is provided with a second telescopic rod;
one end of the second telescopic rod is connected with one end of the hammer pressing head (16-1), the other end of the hammer pressing head (16-1) faces to the top end of the upper rotary table (14), the other end of the second telescopic rod is connected with the top end of the second fixing frame, and the bottom end of the second fixing frame is connected with the top end of the workbench;
the controller is connected with the second telescopic rod and is used for controlling the second telescopic rod to drive the hammer pressure head (16-1) to press the lower die (19) into the limiting channel M of the die return turntable (13).
6. A contact lens demolding device as claimed in claim 5, characterized in that,
the poking device (17) comprises a poking rod (17-1) and a third fixing frame;
the bottom end of the third fixing frame is connected with the top end of the workbench;
a material leakage opening (17-2) is arranged on the workbench below the poking device (17),
the device is characterized in that the poking device (17) is arranged close to the hammer pressing head (16-1), the poking rod (17-1) is a rectangular connecting rod, a rotating shaft is nested at one end of the poking rod (17-1), the rotating shaft is located at the bottom end of the third fixing frame and connected with the bottom end of the third fixing frame through a driving motor mounting seat, the input end of the rotating shaft is connected with a driving motor, one end of the poking rod (17-1) is nested in the rotating shaft, the other end of the poking rod (17-1) is located at one side of the upper rotary table (14), and a controller is connected with the driving motor of the rotating shaft and used for controlling the rotating shaft of the driving motor to drive the upper die (18) and the leftover materials to be poked away through the movement of the poking rod (17-1) and throw the leftover materials into the leakage opening (17-2).
7. A contact lens demolding device according to claim 3, characterized in that,
n takes a value of 12, and 12 clamping grooves are defined as a first clamping groove, a second clamping groove, … …, an eleventh clamping groove and a twelfth clamping groove along the clockwise direction;
a guide groove is arranged between the first clamping groove, the second clamping groove, the … …, the eleventh clamping groove, the twelfth clamping groove and the circle center of the upper rotary table (14), the guide grooves are used for communicating the clamping grooves with the circle center of the upper rotary table (14), and the guide grooves are matched with the poking-off device (17) and are used for removing the upper die (18) and the leftover materials on the station;
in the initial state, defining a station corresponding to the first clamping groove as a first station (1), and then analogizing the first station, the second station (2), the third station (3), the fourth station (4), the fifth station (5), the sixth station (6), the seventh station (7), the eighth station (8), the ninth station (9), the tenth station (10), the eleventh station (11) and the twelfth station (12);
the first station is a feeding station, the die assembly is placed in a clamping groove corresponding to the first station, the second station corresponds to the extrusion device (15), the third station corresponds to the hammering device (16), and the tenth station corresponds to the pulling-out device (17).
8. A contact lens demolding device as claimed in claim 7, characterized in that,
the first clamping groove, the second clamping groove, the … …, the eleventh clamping groove and the twelfth clamping groove are respectively provided with a step hole, each step hole comprises an upper through hole and a lower through hole, the diameter size of the upper through hole is smaller than the edge of the upper die (18), and the diameter size of the lower through hole is larger than the diameter size of the bottom end of the lower die (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322123151.3U CN220482351U (en) | 2023-08-08 | 2023-08-08 | Contact lens demoulding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322123151.3U CN220482351U (en) | 2023-08-08 | 2023-08-08 | Contact lens demoulding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220482351U true CN220482351U (en) | 2024-02-13 |
Family
ID=89833568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322123151.3U Active CN220482351U (en) | 2023-08-08 | 2023-08-08 | Contact lens demoulding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220482351U (en) |
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2023
- 2023-08-08 CN CN202322123151.3U patent/CN220482351U/en active Active
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