CN210821366U - Lens transfer printing equipment - Google Patents

Abstract

The utility model discloses a lens pad printing device, which comprises a transmission mechanism, a pad printing mechanism and a stacking mechanism; the conveying mechanism comprises a conveying bracket, two rollers and a conveying belt provided with a conveying channel; the pad printing mechanism comprises a pad printing machine body and a stamp pad component; the ink pad assembly comprises an ink pad bracket, a lens placing table and a transferring mechanical arm for transferring the lenses from the lens placing table to the conveying channel; the stacking mechanism comprises a stacking support, a stacking box for containing the lenses and a stacking manipulator; the stacking bracket is arranged on the conveying bracket, the stacking box and the stacking manipulator are arranged on the stacking bracket, and the stacking manipulator moves to and fro the conveying channel and the stacking box to stack the lenses in the stacking box from the conveying channel; through the mutual cooperation of the pad printing mechanism, the conveying mechanism and the stacking mechanism, the automatic production of pad printing and stacking of the lenses is realized, and the production efficiency of the lenses is greatly improved.

Description

Lens transfer printing equipment

Technical Field

The utility model relates to a technical field of lens production facility especially relates to a lens bat printing equipment.

Background

When lens manufacturers produce lenses, branded logos or anti-counterfeiting marks are usually required to be printed on the surfaces of the lenses so as to play a role in identification or anti-counterfeiting. Because the surface of the lens is concave-convex, a pad printing machine is usually used for printing, and a pad printing head made of a silica gel material in the pad printing machine can be adapted to the shape of the surface of the lens.

The existing pad printing machine generally comprises a machine body, a pad printing offset head movably arranged on the machine body, a printing plate matched below the pad printing offset head and a placing table; the printing plate is provided with a mark area and an ink supply box for supplying ink to the mark area. When carrying out the bat printing, need operating personnel to place the lens is fixed on placing the bench to through supplying the ink horn to providing printing ink in the identification area of offset plate, later, the bat printing rubber head moves on to the offset plate and dip in the printing ink in the identification area, later, the bat printing rubber head moves on to the lens of placing the platform and with printing ink printing in order to form the sign on the surface of lens, treats that the bat printing of lens sign can be accomplished to the printing ink after drying.

The transfer printing of the lens identification has the following defects through observation: place the lens on placing the platform or take off to and the lens pile after will drying is in the same place unified handover to next process, all needs the manual lens of taking of operating personnel to accomplish, can't realize the automated production to lens bat printing, greatly reduced the production efficiency of lens.

In view of this, the present designer is able to make a deep conception on the defects and inconveniences caused by the structural design of the above-mentioned lens production equipment, and actively research, improve and try to develop and design the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lens bat printing equipment to improve the production efficiency of lens.

In order to achieve the above purpose, the solution of the present invention is:

a lens pad printing device comprises a transmission mechanism, at least one pad printing mechanism and at least one stacking mechanism; the conveying mechanism comprises a conveying bracket, two rollers and a conveying belt; the two rollers are respectively and rotatably arranged at the two ends of the conveying bracket; the conveying belt is movably matched on the two rollers and is provided with at least one conveying channel; the pad printing mechanism is matched with the starting end of the conveying channel and comprises a pad printing machine body and a pad printing assembly; the ink pad assembly comprises an ink pad bracket, a lens placing table and a transferring manipulator; the pad printing machine comprises a pad printing machine body, a lens placing table, a transfer manipulator, a lens conveying channel and a lens conveying mechanism, wherein the pad printing machine body is provided with a pad printing machine body; the stacking mechanism is arranged on the conveying support and matched at the tail end of the conveying channel, and comprises a stacking support, a stacking box and a stacking manipulator; the stacking support is arranged on the conveying support, the stacking box and the stacking manipulator are arranged on the stacking support, and the stacking manipulator moves to and fro the conveying channel and the stacking box.

The pad printing machine body comprises a machine body main body, a printing plate provided with a mark area, a pad printing rubber head and an ink supply box for supplying ink to the mark area; the printing plate is arranged on the machine body, and the identification area on the printing plate is arranged towards the pad printing rubber head; the pad printing rubber head is movably matched on the machine body and movably moves to and fro the lens placing table and the printing plate; the ink supply box is movably arranged on the machine body, and the lower end of the ink supply box is in movable sealing contact with the printing plate.

The pad printing machine body further comprises a first piston cylinder, a second piston cylinder and a third piston cylinder, wherein the first piston cylinder is arranged on the machine body and is connected with the ink supply box through a piston rod so as to drive the ink supply box; the second piston cylinder is arranged on the machine body main body and is connected with the third piston cylinder through a cylinder body so as to drive the third piston cylinder; the third piston cylinder is connected with the pad printing rubber head through a piston rod to drive the pad printing rubber head.

The transfer manipulator comprises a first rotary cylinder, a fourth piston cylinder, a first sucker connecting rod and a first sucker for sucking and fixing the lens; the first rotary cylinder is arranged on the ink pad bracket and is connected with the fourth piston cylinder through a turntable so as to drive the fourth piston cylinder; the fourth piston cylinder is connected with one end of the first sucking disc connecting rod through a piston rod and used for driving the first sucking disc connecting rod; the first sucking disc is arranged at the other end of the first sucking disc connecting rod; the stacking manipulator comprises a second rotary cylinder, an eighth piston cylinder, a second sucker connecting rod and a third sucker for sucking and fixing lenses; the second rotary cylinder is arranged on the stacking support and is connected with the eighth piston cylinder through a turntable so as to drive the eighth piston cylinder; the eighth piston cylinder is connected with one end of the second sucker connecting rod through a piston rod and used for driving the second sucker connecting rod; the third sucker is arranged at the other end of the second sucker connecting rod.

The ink pad assembly further comprises a lens bin mounted on the ink pad support, the lens bin comprising a bin support, a bin panel, at least two bin guide rods, and at least one clamping mechanism provided with a clamping member; one end of the bin bracket is arranged on the ink pad bracket, and the other end of the bin bracket is connected with the bin panel; the bin panel is provided with a discharging hole for the lens to pass through; each bin guide rod is arranged on the bin panel and arranged around the blanking hole so as to form a blanking groove by enclosing above the blanking hole; the clamping mechanism is arranged on the bin panel, a clamping piece on the clamping mechanism movably enters and exits the blanking groove to clamp or loosen the lens in the blanking groove, and a space for one lens is reserved between the lower end surface of the clamping piece and the lower end surface of the blanking groove; the lens placing table comprises a placing table body for placing lenses, a fifth piston cylinder and a sixth piston cylinder; the fifth piston cylinder is arranged on the stamp pad bracket, is connected with the sixth piston cylinder through a cylinder body and is used for driving the sixth piston cylinder to move to and fro under the blanking hole and the pad printing machine body; the sixth piston cylinder is connected with the placing table body through a piston rod and used for driving the placing table body to move to and fro and the lower end face of the blanking groove.

The lens placing table also comprises a second sucker for sucking and fixing the lenses, and the second sucker is detachably arranged at one end, facing the lower trough, of the placing table body; and one end of the second sucker facing the lower trough is provided with an arc-shaped surface matched with the lens.

The lens feed bin still includes the feed bin carousel, the feed bin carousel rotates to be installed in the unloading hole of feed bin panel to be equipped with one with the through-hole of unloading hole intercommunication, feed bin guide arm and fixture all install on the feed bin carousel.

The clamping mechanism further comprises a seventh piston cylinder, an L-shaped adjusting seat and an L-shaped adjusting connecting rod; the seventh piston cylinder is arranged on the bin turntable, is connected with the clamping element through a piston rod and is used for driving the clamping element to movably enter and exit the blanking groove; one end of the adjusting seat is installed at the end part of the piston rod of the seventh piston cylinder, and the other end of the adjusting seat is connected to the cylinder body of the seventh piston cylinder in a sliding manner; one end of the adjusting connecting rod, which faces the adjusting seat, is provided with an adjusting hole, the adjusting connecting rod is locked and fixed on the adjusting seat through a screw rod which penetrates through the adjusting hole, and the other end of the adjusting connecting rod is connected with the clamping piece.

The conveying mechanism further comprises a UV oven, the UV oven is mounted on the conveying support, and the conveying belt movably passes through the UV oven; the stacking mechanism further comprises a laser detector matched with the stacking manipulator, the laser detector is installed on the stacking support, and detection laser of the laser detector irradiates towards the conveying channel.

The stacking box comprises a box body, a stacking baffle and a magnetic part; the box body is installed on piling up the support, pile up separation blade clearance fit in the box body, magnetism is inhaled the piece and is inhaled the cooperation through inhaling with the box body magnetism and will pile up the separation blade and press admittedly in the box body.

After the scheme is adopted, the utility model is provided with the conveying mechanism, the transfer printing mechanism and the stacking mechanism, when in use, the lens is firstly placed on the lens placing table, one surface of the lens to be printed with the mark faces the transfer printing machine body, then the mark is printed on the surface of the lens through the transfer printing machine body, then the lens printed with the mark is transferred to the conveying channel from the lens placing table through the operation transfer mechanical arm, then the conveying belt is driven to rotate by driving the two rollers of the conveying mechanism, the lens is conveyed to the tail end from the starting end of the conveying channel by utilizing the conveying belt, when the lens is conveyed to the tail end of the conveying channel, the lens is stacked in the stacking box from the conveying channel through the operation stacking mechanical arm, so far, the transfer printing and stacking work of the lens mark can be completed, through the mutual matching of the transfer printing mechanism, the conveying mechanism and the stacking mechanism, thereby realizing the automatic production of the transfer printing and stacking of the lens, the production efficiency of the lens is greatly improved.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a transfer mechanism according to a preferred embodiment of the present invention;

FIG. 3 is a schematic view of a pad printing machine according to a preferred embodiment of the present invention;

FIG. 4 is a schematic view of a preferred embodiment of the ink pad assembly of the present invention;

FIG. 5 is a schematic view of a transfer robot according to a preferred embodiment of the present invention;

FIG. 6 is a schematic structural view of a lens holding table according to a preferred embodiment of the present invention;

FIG. 7 is a schematic view of a lens storage bin according to a preferred embodiment of the present invention;

FIG. 8 is a schematic structural view of a clamping mechanism according to a preferred embodiment of the present invention;

fig. 9 is a schematic structural view of a bin panel according to a preferred embodiment of the present invention;

fig. 10 is a schematic structural view of a bin carousel according to a preferred embodiment of the present invention;

fig. 11 is a schematic structural diagram of a stacking mechanism according to a preferred embodiment of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

Referring to fig. 1 to 11, a lens pad printing apparatus according to a preferred embodiment of the present invention includes a conveying mechanism 100, at least one pad printing mechanism 200, and at least one stacking mechanism 300.

The conveying mechanism 100 comprises a conveying bracket 1, two rollers 2 and a conveying belt 3; the two rollers 2 are respectively and rotatably arranged at the two ends of the conveying bracket 1; the conveyor belt 3 is movably matched on the two rollers 2 for conveying the lenses, and at least one conveying channel 31 is arranged on the conveyor belt 3.

The pad printing mechanism 200 is matched at the starting end of the conveying channel 31, and the pad printing mechanism 200 comprises a pad printing machine body 5 for pad printing the lens and a stamp pad assembly 6 matched with the pad printing machine body 5 for placing the lens; the stamp pad assembly 6 includes a stamp pad holder 61, a lens placing table 62, and a transfer robot 63; the pad stand 61 is mounted on the pad body 5, the lens placing table 62 and the transfer robot 63 are both mounted on the pad stand 61, and the transfer robot 63 is movable to and from the lens placing table 62 and the conveying path 31 for transferring the lenses from the lens placing table 62 to the conveying path 31.

The stacking mechanism 300 is installed on the conveying bracket 1 and is matched at the tail end of the conveying channel 31, and the stacking mechanism 300 comprises a stacking bracket 7, a stacking box 8 for containing lenses and a stacking manipulator 9; the stacking support 7 is mounted on the transfer support 1, the stacking cassette 8 and the stacking robot 9 are both mounted on the stacking support 7, and the stacking robot 9 moves to and from the transport path 31 and the stacking cassette 8 to stack the lenses from the transport path 31 into the stacking cassette 8.

When in use, the lens is firstly placed on the lens placing table 62, one surface of the lens to be printed with the mark faces the pad printing machine body 5, then the mark is printed on the surface of the lens through the pad printing machine body 5, then the lens printed with the mark is transferred to the conveying channel 31 from the lens placing table 62 through operating the transfer manipulator 63, then the conveying belt 3 is driven to rotate by driving the two rollers 2 of the conveying mechanism 100, the lens is conveyed from the starting end to the tail end of the conveying channel 31 by the conveying belt 3, when the lens is conveyed to the tail end of the conveying channel 31, the lens is stacked in the stacking box 8 from the conveying channel 31 through operating the stacking manipulator 9, so that the pad printing and stacking work of the lens mark can be completed, and the pad printing and stacking work of the lens can be realized through the mutual matching of the pad printing mechanism 200, the conveying mechanism 100 and the stacking mechanism 300, the production efficiency of the lens is greatly improved.

The above-mentioned transfer mechanism 100 further comprises a UV oven 4, the UV oven 4 being mounted on the transfer frame 1, and a conveyor belt 3 for conveying the lenses is movable through the UV oven 4. When utilizing conveyer belt 3 to carry the lens, the lens of placing on conveyer belt 3 can pass through UV oven 4, under the stoving of UV oven 4, can accelerate the stoving of printing ink on the lens to avoid appearing not dry printing ink adhesion on other lenses piling up the in-process, thereby reduce the yields of lens production.

The pad printing machine body 5 comprises a machine body 51, a printing plate 52 provided with an identification area 521, a pad printing rubber head 53 and an ink supply box 54 for supplying ink to the identification area 521; the printing plate 52 is arranged on the machine body 51, and the identification area 521 on the printing plate 52 is arranged towards the pad printing glue head 53; the pad printing rubber head 53 is movably matched on the machine body 51 and movably reciprocates the lens placing table 62 and the printing plate 52; the ink supply box 54 is movably mounted on the machine body 51, and the lower end of the ink supply box 54 is in movable sealing contact with the printing plate 52.

When in use, firstly, the ink for printing the mark is added into the ink supply box 54, then, the ink supply box 54 is operated to move towards the mark area 521 of the printing plate 52, the ink is added into the mark area 521, and then the printing plate is returned to the initial position; then, the pad printing rubber head 53 is operated to move to the upper part of the mark area 521 and move towards the mark area 521 until the ink in the mark area 521 is dipped on the pad printing rubber head 53; thereafter, the pad printing head 53 is moved above the lens placing table 62 by operation and moved toward the lens until the marking ink is printed on the lens, thereby completing pad printing of the lens mark.

The pad printing machine body 5 further includes a first piston cylinder 55, and the first piston cylinder 55 is mounted on the machine body 51 and connected to the ink supply cartridge 54 through a piston rod to drive the ink supply cartridge 54. In use, first piston cylinder 55 is capable of moving ink supply cartridge 54 back and forth across platen 52 via the piston rod to cooperate with ink supply cartridge 54 to add ink to an identification area 521 of platen 52.

The pad printing machine body 5 further comprises a second piston cylinder 56 and a third piston cylinder 57, wherein the second piston cylinder 56 is mounted on the machine body main body 51 and is connected with the third piston cylinder 57 through a cylinder body to drive the third piston cylinder 57; the third piston cylinder 57 is connected to the pad head 53 through a piston rod to drive the pad head 53. During the use, second piston cylinder 56 can place the platform 62 through cylinder body drive third piston cylinder 57 at the top of seal plate 52 and lens and move back and forth, and simultaneously, third piston cylinder 57 can place the platform 62 through piston rod drive bat printing head 53 and remove towards seal plate 52 or lens to cooperation bat printing head 53 dips in the printing ink in seal plate 52 sign district 521, or will bat printing ink on the printing ink head 53 on the surface of lens.

The pad printing machine body 5 further comprises a one-way translation stage 58, one end of the one-way translation stage 58 is connected to the piston rod of the third piston cylinder 57, and the other end is connected with the pad printing rubber head 53. During the use, because pad printing head 53 and seal plate 52 all have machining tolerance and installation tolerance, lead to pad printing head 53 can't be counterpointed with the mark zone 521 on seal plate 52 accurate, and through being equipped with one-way translation platform 58, can adjust the position of pad printing head 53 on third piston cylinder 57 for pad printing head 53 and the accurate counterpoint of mark zone 521 on seal plate 52.

The pad printer body 5 further comprises a body support leg 59, and the body support leg 59 is screwed to the bottom of the body main body 51. The body support leg 59 is provided to stably support the body main body 51, and since the body support leg 59 is screwed to the body main body 51, the support height of the body support leg 59 can be rotatably adjusted so that the body main body 51 is kept horizontal to fit the ground with different flatness.

The transfer robot 63 includes a first rotary cylinder 631, a fourth piston cylinder 632, a first suction pad link 633 and a first suction pad 634 for sucking and fixing the lens; the first rotary cylinder 631 is mounted on the stamp pad holder 61 and is connected to the fourth piston cylinder 632 through a turntable to drive the fourth piston cylinder 632; the fourth piston cylinder 632 is connected with one end of the first suction disc connecting rod 633 through a piston rod to drive the first suction disc connecting rod 633; the first suction cup 634 is mounted on the other end of the first suction cup link 633. When in use, the first rotary cylinder 631 can drive the fourth piston cylinder 632 to rotate through the turntable, and simultaneously drive the first suction disc connecting rod 633 and the first suction disc 634 to rotate together, so that the first suction disc 634 can movably move to and fro above the lens placing table 62 and the conveying channel 31; when the first suction disc 634 rotates above the lens placing table 62, the fourth piston cylinder 632 can drive the first suction disc connecting rod 633 to move towards the lens placing table 62 through the piston rod, and simultaneously, the first suction disc 634 is linked to move towards the lens until the first suction disc 634 can suck and fix the lens; when the first suction cup 634 rotates above the conveying channel 31, the fourth piston cylinder 632 can drive the first suction cup connecting rod 633 to move towards the conveying channel 31 through the piston rod, and simultaneously, the first suction cup 634 is linked to move towards the conveying channel 31 until the lens is placed on the conveying channel 31, so that the lens is transferred to the conveying channel 31 from the lens placing table 62 in a matching manner.

The transfer robot 63 further includes a first bi-directional translation stage 635, and the first rotary cylinder 631 is mounted to the pad support 61 via the first bi-directional translation stage 635. Through being equipped with first bidirectional translation platform 635, can adjust the position of first revolving cylinder 631 on the plane of first bidirectional translation platform 635, interlock fourth piston cylinder 632 and first sucking disc connecting rod 633 simultaneously for adjust the position of first sucking disc 634, make first sucking disc 634 can be accurate absorb the lens fixed, avoid first sucking disc 634 to touch the mark that the lens surface just printed, cause the sign to damage.

The first suction cup link 633 is provided with a suction cup adjusting groove 6331, and the first suction cup 634 is movably installed in the suction cup adjusting groove 6331. By providing the suction cup adjustment groove 6331, the first suction cup 634 can move the adjustment position in the direction of the first suction cup link 633 within the suction cup adjustment groove 6331 so that the first suction cup 634 is held directly above the lens placing table 62 or the conveying path 31; meanwhile, for the production of lenses with different specifications, the central positions of the lenses are different, and the adjusted first suction cups 634 can always correspond to the central positions of the lenses, so as to keep the balance of the lenses during the transfer.

The pad assembly 6 further includes a lens cartridge 64 mounted to the pad support 61, the lens cartridge 64 including a cartridge support 641, a cartridge faceplate 642, at least two cartridge guides 643, and at least one clamping mechanism 644 including a clamping member 6441; one end of the bin bracket 641 is installed on the stamp pad bracket 61, and the other end is connected with the bin panel 642; a blanking hole 6421 for the lens to pass through is arranged on the bin panel 642; each bin guide 643 is mounted on a bin panel 642 and arranged around a blanking aperture 6421 to enclose a blanking slot 645 above the blanking aperture 6421; the clamping mechanism 644 is installed on the bin panel 642, a clamping piece 6441 on the clamping mechanism 644 moves in and out of the blanking groove 645 to clamp or release the lens in the blanking groove 645, and a space for one lens is reserved between the lower end surface of the clamping piece 6441 and the lower end surface of the blanking groove 645; the lens placing table 62 includes a placing table body 621 on which lenses are placed, a fifth piston cylinder 622, and a sixth piston cylinder 623; the fifth piston cylinder 622 is installed on the stamp pad bracket 61 and is connected with the sixth piston cylinder 623 through a cylinder body so as to drive the sixth piston cylinder 623 to move to and fro under the blanking hole 6421 and the pad printing machine body 5; the sixth piston cylinder 623 is connected to the placing table body 621 through a piston rod, and is configured to drive the placing table body 621 to move back and forth to the lower end surface of the feeding groove 645.

In this embodiment, the lens cartridge 64 includes four cartridge guides 643, and the four cartridge guides 643 are respectively fitted to four corners of the lens. Through being equipped with four feed bin guide arms 643 to respectively cooperate on four angles of lens, when adding the lens to silo 645 down in, each feed bin guide arm 643 homoenergetic plays the guide effect to the lens, makes the bottom of silo 645 down of landing that the lens can be steady.

In this embodiment, the lens storage bin 64 includes two clamping mechanisms 644, and the two clamping mechanisms 644 are symmetrically arranged with respect to the center of the feeding trough 645. When the clamping mechanism 644 is used, the lens placed between the two clamping mechanisms 644 is clamped and fixed through the two symmetrically arranged clamping mechanisms 644, so that when the lens is clamped, stress is balanced and stable, and the phenomenon that the lens cannot be clamped and fixed due to sliding caused by independent stress is avoided.

Before the lenses are subjected to pad printing, the fifth piston cylinder 622 drives the sixth piston cylinder 623 to move below the blanking hole 6421 through the cylinder body, then the sixth piston cylinder 623 drives the placing table body 621 to move to the lower end face of the blanking groove 645 through the piston rod, the clamping piece 6441 is made to exit from the blanking groove 645 by operating the clamping mechanism 644, and at the moment, the lenses can be added into the blanking groove 645, so that the lenses are stacked in the blanking groove 645 from the placing table body 621; after the lens is added, the clamping member 6441 enters the blanking groove 645 by operating the clamping mechanism 644, and the other lenses except for the bottommost end of the blanking groove 645 are clamped and fixed in the blanking groove 645, so that the preparation work before the lens pad printing is completed.

When the transfer printing of the lenses is needed, because the lens at the bottommost end of the discharging groove 645 is not clamped by the clamping mechanism 644, the sixth piston cylinder 623 can drive the placing table body 621 to move downwards through the piston rod, so that the placing table body 621 carries one lens away from the discharging groove 645, other lenses are still clamped in the discharging groove 645 by the clamping mechanism 644, and then the fifth piston cylinder 622 drives the sixth piston cylinder 623 to move to the lower side of the transfer printing machine body 5 through the cylinder body, and simultaneously the placing table body 621 on the sixth piston cylinder 623 is linked to move to the lower side of the transfer printing machine body 5, so that the transfer printing machine body 5 can transfer print the lens on the placing table body 621; after the transfer printing of the lens is completed, the lens is transferred from the placing table main body 621 to the transfer path 31 by the transfer robot 63.

When the next lens needs to be pad-printed, the placing table body 621 is moved to the lower end face of the blanking groove 645 again through the fifth piston cylinder 622 and the sixth piston cylinder 623, then the clamping piece 6441 is made to exit from the blanking groove 645 by operating the clamping mechanism 644, at this time, the lens in the blanking groove 645 falls onto the placing table body 621 below, then the clamping piece 6441 is made to enter the blanking groove 645 by operating the clamping mechanism 644, the other lenses except the bottommost end of the blanking groove 645 are clamped and fixed in the blanking groove 645, and then pad printing of the next lens can be performed according to the above steps, which is not described again.

The lens placement stage 62 also includes a second bi-directional translation stage 624, and the sixth piston cylinder 623 is mounted to the cylinder of the fifth piston cylinder 622 via the second bi-directional translation stage 624. Through being equipped with second bidirectional translation platform 624, can adjust the position of sixth piston cylinder 623 on the plane of second bidirectional translation platform 624, the platform body 621 is placed in the interlock simultaneously for the position of placing the platform body 621 is adjusted, make and place the below of platform body 621 can accurate removal to feed trough 645 or bat printing machine body 5, make the lens in feed trough 645 can be smooth drop to place on the platform body 621, perhaps bat printing machine body 5 can be accurate print the sign on the surface of lens.

The lens placing table 62 further includes a second suction cup 625 for sucking and fixing the lens, and the second suction cup 625 is mounted on one end of the placing table body 621 facing the lower chute 645. Through being equipped with second sucking disc 625 for the lens place the platform 62 can initiatively absorb the fixed lens of silo 645 down, avoid the lens to remove the dislocation at the bat printing in-process, thereby improve the success rate of lens bat printing.

The second suction cup 625 is detachably mounted on the placing table body 621, and an arc-shaped surface 6251 fitted with the lens is provided at one end of the second suction cup 625 facing the lower chute 645. Because the specifications of the lenses are various, the shapes and the sizes of the lenses are different, the second sucking disc 625 is detachably mounted on the placing table body 621, an arc-shaped surface 6251 matched with the lenses is arranged at one end, facing the lower trough 645, of the second sucking disc 625, the second sucking disc 625 matched with the lenses can be produced, and in the process of pad printing different lenses, only the corresponding second sucking disc 625 needs to be replaced, so that pad printing of the lenses with different specifications is facilitated; in addition, the lens can be attached to the arc-shaped surface 6251 of the second suction cup 625, so that the suction and fixation of the second suction cup 625 to the lens are more stable.

The lens cartridge 64 further includes a cartridge turntable 646, the cartridge turntable 646 is rotatably installed in the blanking hole 6421 of the cartridge panel 642 and is provided with a through hole 6461 communicated with the blanking hole 6421, and the cartridge guide 643 and the holding mechanism 644 are both installed on the cartridge turntable 646. During use, the bin turntable 646 can rotate on the bin panel 642, meanwhile, the bin guide rod 643 and the clamping mechanism 644 which are installed on the bin turntable 646 also rotate together, and the lenses which are clamped and fixed in the blanking groove 645 by the clamping mechanism 644 also rotate together, so that the angles of the lenses can be adjusted by rotating the bin turntable 646, the angles of the lenses placed on the lens placing table 62 are accurate, and accurate pad printing is performed on the lenses by matching with the pad printer body 5.

An arc hole 6462 is formed in the bin rotary disc 646, and the bin rotary disc 646 is locked and fixed on the bin panel 642 through a screw rod penetrating through the arc hole 6462. When carrying out angle modulation to the lens, only need the loosening screw rod, it is fixed to relieve the locking between feed bin carousel 646 and the feed bin panel 642, can rotate regulation feed bin carousel 646 on feed bin panel 642 to the angle of lens is adjusted in the cooperation, after angle modulation accomplished, the rethread tight screw rod is fixed feed bin carousel 646 locking on feed bin panel 642.

The bin rotary disc 646 is provided with a positioning pointer 6463, and the bin panel 642 is provided with an angle scale 6422 matched with the positioning pointer 6463. Through being equipped with location pointer 6463 and the angle scale 6422 of mutually supporting for operating personnel can carry out accurate regulation through the scale when carrying out the angle modulation to the lens.

The bin rotary table 646 is provided with a plurality of positioning holes 6464 on the same circumference, one end of the bin guide 643 facing the bin rotary table 646 is provided with a long hole 6431, and the bin guide 643 is locked and fixed in the positioning hole 6464 of the bin rotary table 646 through a screw rod penetrating through the long hole 6431. Because the specification of lens has the multiple, the shape and the size of lens are all different, so, can be through installing feed bin guide 643 in different locating hole 6464, and through the unscrewing screw rod, remove the locking between feed bin guide 643 and the feed bin carousel 646 and fix, can adjust the mounted position of feed bin guide 643 and the distance between feed bin guide 643 and the unloading hole 6421 central line on feed bin carousel 646, thereby make feed bin guide 643 enclose and form the different lower silo 645 of specification, with the lens of different specifications of adaptation, make the bat printing equipment can the different specifications of lens of bat printing.

The clamping mechanism 644 further includes a seventh piston cylinder 6442, and the seventh piston cylinder 6442 is mounted on the bin turntable 646 and connected to the clamping member 6441 through a piston rod, so as to drive the clamping member 6441 to move in and out of the discharging chute 645. In use, the seventh piston cylinder 6442 drives the clamping piece 6441 into the blanking groove 645 through the piston rod, so that the clamping piece 6441 abuts against the lens in the blanking groove 645 to clamp and fix the lens in the blanking groove 645; alternatively, the seventh piston cylinder 6442 drives the clamp 6441 out of the lower channel 645 via the piston rod, so that the clamp 6441 releases the lens in the lower channel 645, allowing the lens to drop onto the underlying lens placement table 62.

The clamping mechanism 644 further comprises an L-shaped adjusting seat 6443 and an L-shaped adjusting link 6444; one end of the adjusting seat 6443 is mounted at the end of the piston rod of the seventh piston cylinder 6442, and the other end is connected to the cylinder body of the seventh piston cylinder 6442 in a sliding manner; the adjusting link 6444 has an adjusting hole 6445 at one end facing the adjusting seat 6443, and is fastened to the adjusting seat 6443 by a screw passing through the adjusting hole 6445, and the other end is connected to the clamping member 6441. When the lens clamping device is used, the seventh piston cylinder 6442 drives the adjusting seat 6443 through the piston rod, and drives the adjusting connecting rod 6444 and the clamping piece 6441 to move in and out of the lower trough 645, so that the clamping piece 6441 clamps and fixes a lens or loosens the lens. Through the L-shaped adjusting seat 6443 and the L-shaped adjusting connecting rod 6444, the position of the adjusting connecting rod 6444 on the adjusting seat 6443 can be adjusted through the adjusting hole 6445, and further the distance between the clamping piece 6441 and the blanking groove 645 is adjusted, without increasing the length and the stroke of the piston rod of the seventh piston cylinder 6442; and one end of the adjusting seat 6443 is also slidably connected to the cylinder of the seventh piston cylinder 6442, so that the adjusting link 6444 and the clamping element 6441 can move smoothly and stably into and out of the feeding groove 645 to clamp or loosen the lens.

The stacking robot 9 includes a second rotary cylinder 91, an eighth piston cylinder 92, a second suction cup connecting rod 93, and a third suction cup 94 for sucking and fixing the lens; the second rotary cylinder 91 is mounted on the stacking support 7 and is connected with the eighth piston cylinder 92 through a turntable to drive the eighth piston cylinder 92; the eighth piston cylinder 92 is connected with one end of the second sucker connecting rod 93 through a piston rod to drive the second sucker connecting rod 93; the third suction cup 94 is mounted on the other end of the second suction cup link 93. When the device is used, the second rotary air cylinder 91 can drive the eighth piston cylinder 92 to rotate through the turntable, and simultaneously the second suction cup connecting rod 93 and the third suction cup 94 are linked to rotate together, so that the third suction cup 94 can movably move to and fro above the conveying channel 31 and in front of the stacking box 8; when the third suction cup 94 rotates to the upper part of the conveying channel 31, the eighth piston cylinder 92 can drive the second suction cup connecting rod 93 to move towards the conveying channel 31 through the piston rod, and simultaneously the third suction cup 94 is linked to move towards the lens until the third suction cup 94 can suck and fix the lens; when the third suction cup 94 rotates to the front of the stacking box 8, the eighth piston cylinder 92 can drive the second suction cup connecting rod 93 to move towards the stacking box 8 through the piston rod, and simultaneously the third suction cup 94 is linked to move towards the stacking box 8 until the lens is placed in the stacking box 8, so that the lens is stacked in the stacking box 8 from the conveying channel 31 in a matching manner.

The above-mentioned stacking mechanism 300 further includes a laser detector 10 which is engaged with the stacking robot 9, the laser detector 10 being mounted on the stacking support 7, and the detection laser 101 of the laser detector 10 being irradiated toward the conveying passage 31. In use, the lens conveyed towards the stacking mechanism 300 through the conveying channel 31 blocks the detection laser 101 of the laser detector 10 when passing through the laser detector 10, and meanwhile, the laser detector 10 recognizes the arrival of the lens and transmits a signal to the stacking manipulator 9 to control the stacking manipulator 9 to stack the arrived lens in the stacking box 8.

The stacking box 8 comprises a box body 81, a stacking baffle 82 and a magnetic part 83; the box body 81 is installed on the stacking support 7, the stacking blocking piece 82 is movably matched in the box body 81, and the magnetic attraction piece 83 is used for pressing and fixing the stacking blocking piece 82 in the box body 81 through magnetic attraction matching with the box body 81. In this embodiment, the magnetic member 83 magnetically engaged with the case body 81 is a magnet; when the stacking device is used, the eighth piston cylinder 92 can drive the second sucker connecting rod 93 to move towards the stacking box 8 through the piston rod, and simultaneously, the third sucker 94 is linked to move towards the stacking box 8 until a first lens is placed on the stacking blocking piece 82 in the box body 81, and then the third sucker 94 loosens the first lens to stack the next lens; when the second lens is moved into the box body 81 by the third suction cup 94, under the pushing of the piston rod of the eighth piston cylinder 92, the second lens overcomes the magnetic attraction between the magnetic attraction piece 83 and the box body 81, pushes the first lens to move the distance of one lens into the box body 81, then the third suction cup 94 loosens the second lens, and then the next lens is stacked, so on, and the lenses are sequentially stacked in the stacking box 8.

The pad printing device further comprises a PLC controller, wherein the PLC controller is electrically connected with the conveying mechanism 100, the pad printing mechanism 200 and the stacking mechanism 300 respectively, and is used for controlling the conveying mechanism 100, the pad printing mechanism 200 and the stacking mechanism 300. In the present embodiment, the PLC controller is electrically connected to the first to eighth piston cylinders 92, the first to second rotary cylinders 91, the first to third suction cups 94, the pad printer body 5, the UV oven 4, and the laser detector 10, and is configured to control the first to eighth piston cylinders 92, the first to second rotary cylinders 91, the first to third suction cups 94, the pad printer body 5, the UV oven 4, and the laser detector 10; can carry out automated control to the bat printing equipment through being equipped with the PLC controller to bat printing and piling up to the lens realize automated production.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims (10)

1. A lens pad printing apparatus, characterized by: it comprises a transmission mechanism, at least one transfer printing mechanism and at least one stacking mechanism; the conveying mechanism comprises a conveying bracket, two rollers and a conveying belt; the two rollers are respectively and rotatably arranged at the two ends of the conveying bracket; the conveying belt is movably matched on the two rollers and is provided with at least one conveying channel; the pad printing mechanism is matched with the starting end of the conveying channel and comprises a pad printing machine body and a pad printing assembly; the ink pad assembly comprises an ink pad bracket, a lens placing table and a transferring manipulator; the pad printing machine comprises a pad printing machine body, a lens placing table, a transfer manipulator, a lens conveying channel and a lens conveying mechanism, wherein the pad printing machine body is provided with a pad printing machine body; the stacking mechanism is arranged on the conveying support and matched at the tail end of the conveying channel, and comprises a stacking support, a stacking box and a stacking manipulator; the stacking support is arranged on the conveying support, the stacking box and the stacking manipulator are arranged on the stacking support, and the stacking manipulator moves to and fro the conveying channel and the stacking box.

2. The lens pad printing apparatus of claim 1 wherein: the pad printing machine body comprises a machine body main body, a printing plate provided with a mark area, a pad printing rubber head and an ink supply box for supplying ink to the mark area; the printing plate is arranged on the machine body, and the identification area on the printing plate is arranged towards the pad printing rubber head; the pad printing rubber head is movably matched on the machine body and movably moves to and fro the lens placing table and the printing plate; the ink supply box is movably arranged on the machine body, and the lower end of the ink supply box is in movable sealing contact with the printing plate.

3. The lens pad printing apparatus of claim 2 wherein: the pad printing machine body further comprises a first piston cylinder, a second piston cylinder and a third piston cylinder, wherein the first piston cylinder is arranged on the machine body and is connected with the ink supply box through a piston rod so as to drive the ink supply box; the second piston cylinder is arranged on the machine body main body and is connected with the third piston cylinder through a cylinder body so as to drive the third piston cylinder; the third piston cylinder is connected with the pad printing rubber head through a piston rod to drive the pad printing rubber head.

4. The lens pad printing apparatus of claim 1 wherein: the transfer manipulator comprises a first rotary cylinder, a fourth piston cylinder, a first sucker connecting rod and a first sucker for sucking and fixing the lens; the first rotary cylinder is arranged on the ink pad bracket and is connected with the fourth piston cylinder through a turntable so as to drive the fourth piston cylinder; the fourth piston cylinder is connected with one end of the first sucking disc connecting rod through a piston rod and used for driving the first sucking disc connecting rod; the first sucking disc is arranged at the other end of the first sucking disc connecting rod; the stacking manipulator comprises a second rotary cylinder, an eighth piston cylinder, a second sucker connecting rod and a third sucker for sucking and fixing lenses; the second rotary cylinder is arranged on the stacking support and is connected with the eighth piston cylinder through a turntable so as to drive the eighth piston cylinder; the eighth piston cylinder is connected with one end of the second sucker connecting rod through a piston rod and used for driving the second sucker connecting rod; the third sucker is arranged at the other end of the second sucker connecting rod.

5. The lens pad printing apparatus of claim 1 wherein: the ink pad assembly further comprises a lens bin mounted on the ink pad support, the lens bin comprising a bin support, a bin panel, at least two bin guide rods, and at least one clamping mechanism provided with a clamping member; one end of the bin bracket is arranged on the ink pad bracket, and the other end of the bin bracket is connected with the bin panel; the bin panel is provided with a discharging hole for the lens to pass through; each bin guide rod is arranged on the bin panel and arranged around the blanking hole so as to form a blanking groove by enclosing above the blanking hole; the clamping mechanism is arranged on the bin panel, a clamping piece on the clamping mechanism movably enters and exits the blanking groove to clamp or loosen the lens in the blanking groove, and a space for one lens is reserved between the lower end surface of the clamping piece and the lower end surface of the blanking groove; the lens placing table comprises a placing table body for placing lenses, a fifth piston cylinder and a sixth piston cylinder; the fifth piston cylinder is arranged on the stamp pad bracket, is connected with the sixth piston cylinder through a cylinder body and is used for driving the sixth piston cylinder to move to and fro under the blanking hole and the pad printing machine body; the sixth piston cylinder is connected with the placing table body through a piston rod and used for driving the placing table body to move to and fro and the lower end face of the blanking groove.

6. The lens pad printing apparatus of claim 5 wherein: the lens placing table also comprises a second sucker for sucking and fixing the lenses, and the second sucker is detachably arranged at one end, facing the lower trough, of the placing table body; and one end of the second sucker facing the lower trough is provided with an arc-shaped surface matched with the lens.

7. The lens pad printing apparatus of claim 5 wherein: the lens feed bin still includes the feed bin carousel, the feed bin carousel rotates to be installed in the unloading hole of feed bin panel to be equipped with one with the through-hole of unloading hole intercommunication, feed bin guide arm and fixture all install on the feed bin carousel.

8. The lens pad printing apparatus of claim 5 wherein: the clamping mechanism further comprises a seventh piston cylinder, an L-shaped adjusting seat and an L-shaped adjusting connecting rod; the seventh piston cylinder is arranged on the bin turntable, is connected with the clamping element through a piston rod and is used for driving the clamping element to movably enter and exit the blanking groove; one end of the adjusting seat is installed at the end part of the piston rod of the seventh piston cylinder, and the other end of the adjusting seat is connected to the cylinder body of the seventh piston cylinder in a sliding manner; one end of the adjusting connecting rod, which faces the adjusting seat, is provided with an adjusting hole, the adjusting connecting rod is locked and fixed on the adjusting seat through a screw rod which penetrates through the adjusting hole, and the other end of the adjusting connecting rod is connected with the clamping piece.

9. The lens pad printing apparatus of claim 1 wherein: the conveying mechanism further comprises a UV oven, the UV oven is mounted on the conveying support, and the conveying belt movably passes through the UV oven; the stacking mechanism further comprises a laser detector matched with the stacking manipulator, the laser detector is installed on the stacking support, and detection laser of the laser detector irradiates towards the conveying channel.

10. The lens pad printing apparatus of claim 1 wherein: the stacking box comprises a box body, a stacking baffle and a magnetic part; the box body is installed on piling up the support, pile up separation blade clearance fit in the box body, magnetism is inhaled the piece and is inhaled the cooperation through inhaling with the box body magnetism and will pile up the separation blade and press admittedly in the box body.

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