CN119140372B - A slit coating device for flexible ultra-thin glass - Google Patents
A slit coating device for flexible ultra-thin glass Download PDFInfo
- Publication number
- CN119140372B CN119140372B CN202411667035.0A CN202411667035A CN119140372B CN 119140372 B CN119140372 B CN 119140372B CN 202411667035 A CN202411667035 A CN 202411667035A CN 119140372 B CN119140372 B CN 119140372B
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- Prior art keywords
- glue
- storage tank
- fixedly arranged
- ultrathin glass
- glue storage
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
- B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
- B05C11/028—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with a body having a large flat spreading or distributing surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
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Abstract
The invention discloses a slit coating device for flexible ultrathin glass, which relates to the field of ultrathin glass processing and comprises a glue storage tank and a triaxial driving structure for driving the glue storage tank to move, wherein an assembly frame is fixedly arranged on the side wall of the glue storage tank, a glue dripping unit is assembled on the glue storage tank through the assembly frame and used for continuously and uniformly dripping filling glue into a bending area of the flexible ultrathin glass, the triaxial driving structure is a triaxial moving assembly commonly used in the prior art, and the glue scraping unit can continuously scrape and gather redundant glue solution at the bending area of the flexible ultrathin glass along with the glue dripping operation of the glue dripping unit, and can directly return the gathered redundant glue solution to the inside of the glue storage tank for reuse under the action of a glue solution recycling unit, so that the glue solution only at the glue dripping area is smoothed, the glue solution is prevented from being scattered in a large area, the redundant glue solution is converged and recycled, and the utilization rate of the glue solution is further improved.
Description
Technical Field
The invention relates to the field of ultrathin glass processing, in particular to a slit coating device for flexible ultrathin glass.
Background
The flexible cover plate made of flexible ultrathin glass is widely used for folding screen electronic products nowadays, the flexible ultrathin glass for folding screens belongs to non-uniform thickness flexible ultrathin glass, namely, the thickness of a bending part is smaller than that of a non-bending part, the bending part of the flexible ultrathin glass is thinner, bending performance is reduced, in order to avoid the problem, the prior publication (CN 220371482U) describes that a thickness detector is arranged on a coating mechanism, the thickness detector is used for detecting the thickness of the flexible ultrathin glass, a driving module controls the descending height of a scraper according to the thickness of the flexible ultrathin glass, the scraper is just contacted with the upper surface of the flexible ultrathin glass, the situation that a gap exists between the scraper and the flexible ultrathin glass to ensure that the scraping effect is poor is avoided, the flexible ultrathin glass is prevented from being deformed due to the fact that the scraper and the flexible ultrathin glass are extruded mutually, and a groove of a glue injection assembly for the folding position of the flexible ultrathin glass is filled with optical glue, finally, the scraper is used for scraping the optical glue at the bending part of the flexible ultrathin glass, and after the optical glue is cured, the bending part of the flexible ultrathin glass can be improved.
In the above-mentioned publication, the glue injection subassembly is with the mode of glue dripping, pour into the optical cement of liquid state into ultra-thin flexible glass's kink, then scrape the optical cement through the scraper blade, and with ultra-thin flexible glass's non-kink parallel and level, but because ultra-thin flexible glass need carry out the position that glue dripping fills is narrower (similar slit), and the scraper blade's volume is great, in order to guarantee that the optical cement that drips into can effectively fill ultra-thin flexible glass's kink simultaneously, can drip into the volume more than this position volume of glue, so the massive scraper blade can appear obvious overflow condition to the optical cement in-process of stricken the kink of ultra-thin flexible glass, and the overflow volume can pile up more and more, and because the volume of scraper blade is big, liquid optical cement also possesses better mobility before unset, the surface of scraper blade and ultra-thin flexible glass's non-position very easy adhesion, or pile up optical cement, also can cause the waste of optical cement.
Disclosure of Invention
The invention aims to provide a slit coating device for flexible ultrathin glass, which is used for solving the problems in the background technology.
The slit coating device for the flexible ultrathin glass comprises a glue storage tank and a triaxial driving structure for driving the glue storage tank to move, wherein an assembly frame is fixedly arranged on the side wall of the glue storage tank, the glue storage tank is provided with a glue dripping unit through the assembly frame, the glue dripping unit is used for continuously and uniformly dripping filling glue into a bending area of the flexible ultrathin glass, and the triaxial driving structure is a triaxial moving assembly commonly used in the prior art, namely, the triaxial driving structure is used for carrying the glue storage tank to perform longitudinal, transverse and axial three-way adjusting movement;
The glue scraping unit is used for scraping glue overflowed from a bending area of the flexible ultrathin glass, and moves along with the glue dripping unit;
The glue solution recovery unit is used for recovering the excessive glue collected by the glue scraping unit into the glue storage tank;
the glue storage tank is made of copper alloy materials, the heat preservation materials are fixedly coated outside, a resistance heating structure is further arranged inside the glue storage tank and used for keeping the internal temperature of the glue storage tank, the resistance heating structure is a resistance wire heating structure commonly used in the prior art, resistance wires are distributed inside the glue storage tank, the glue storage tank made of copper alloy materials is heated and preserved, the temperature inside the tank body is kept, and the glue solution inside the tank body is always in a fluid state.
Preferably, the glue dropping unit is including fixed setting up two glue injection barrels that are symmetrical distribution in the assembly jig, the inside slip of glue injection barrel is equipped with first piston block, just the fixed being provided with in at the top of first piston block slip runs through in the first piston rod of glue injection barrel, the fixed intercommunication in bottom of glue injection barrel is provided with first conveyer pipe, two first conveyer pipe keep away from the one end intersection of glue injection barrel is a port, and the fixed assembly in below of port is equipped with the point gum syringe needle, every the fixed intercommunication of bottom surface of glue injection barrel is provided with the second conveyer pipe, just the other end of second conveyer pipe with the fixed intercommunication of bottom of glue storage tank, every first conveyer pipe with the surface of second conveyer pipe is overlapped respectively and is equipped with check valve and check valve, the top of assembly jig still erects two the drive part that the first piston rod was pulled in turn, and the direction of check valve is glue injection barrel to first conveyer pipe check valve, and the direction of check valve is the second conveyer pipe circulation to the one-way valve circulation.
Preferably, the driving component comprises a worm wheel disc positioned between the glue injection cylinders, two end faces of the worm wheel disc are respectively and rotatably sleeved with a hollow sleeve frame, the bottom of the hollow sleeve frame is fixed with the assembly frame, two driving rods which are circumferentially equidistant are fixedly inserted in the worm wheel disc, the two driving rods respectively extend towards the two first piston rods, a transverse plate is fixed on the top of each first piston rod, the first piston rods are positioned on the middle vertical line of the transverse plate, a straight groove is formed in the transverse plate, the two driving rods are respectively and slidably inserted into the two straight grooves, a driving motor is further fixed on the side wall of the glue storage tank, the driving motor is positioned above the assembly frame, and the output end of the driving motor is fixedly sleeved with a worm which is engaged with the disc in a transmission manner.
Preferably, the radius of the circumscribed circles of the two shifting levers is smaller than the radius of the inner ring of the hollow sleeve frame, and the diameter of the circumscribed circles of the two shifting levers is smaller than the length of the straight groove, so that the shifting levers cannot be blocked in the moving process of following the worm wheel disc.
Preferably, the glue scraping unit comprises a first bracket fixedly hoisted below the glue storage tank, two sliding rods are inserted in the first bracket in a sliding manner, extension blocks are fixedly arranged at the bottom of each sliding rod, the extension blocks and the sliding rods are vertically distributed, scraping plates are fixedly arranged at one ends, far away from the sliding rods, of the two extension blocks, a first spring is sleeved on the outer surface of each sliding rod, and two ends of the first spring are respectively fixed with the first bracket and the extension blocks;
The scraper blade includes straight board portion and curl portion, straight board portion is slope distribution, just curl portion fixed the setting is in straight board portion's wherein one end, straight board portion that is the slope form can be with the glue solution guide of scraping to curl portion to let the glue solution assemble in curl portion's center department.
Preferably, the glue solution recycling unit is fixedly arranged at the suction head at the upper end part of the curling part, a suction port of the suction head faces the bottom of the curling part, a second support is fixedly arranged at one side, far away from the scraping plate, of the first support, a transfer cylinder is fixedly arranged at the center of the top of the second support, a second piston block is slidably arranged in the transfer cylinder, a second piston rod penetrating through the transfer cylinder in a sliding manner is fixedly arranged at the bottom of the second piston block, a third spring is fixedly arranged at the top of the second piston block, a third conveying pipe is fixedly arranged between the bottom of the transfer cylinder and the top of the suction head in a communicating manner, a fourth conveying pipe is fixedly arranged between the transfer cylinder and the top of the glue storage tank in a communicating manner, a one-way valve and a one-way valve are respectively arranged at the outer part of the third conveying pipe, a touch part for pushing the second piston rod is also arranged in the second support, the flow direction of the one-way valve is from the suction head to the transfer cylinder, and the one-way valve is in the one-way direction of the glue storage tank.
Preferably, the touch component comprises two sliding blocks which are assembled in the second bracket in a sliding manner and are distributed oppositely, the transfer cylinder is positioned between the two sliding blocks, a rotating shaft is arranged between the two sliding blocks in a rotating manner, a second spring is fixedly arranged between one end, close to the transfer cylinder, of the sliding block and the second bracket, two symmetrically distributed pressing wheels are fixedly sleeved on the outer surface of the rotating shaft, cams are fixedly arranged on opposite end surfaces of the two pressing wheels, a connecting plate is fixedly arranged at the bottom of the second piston rod, two ends of the connecting plate are arranged right above the two cams, a plurality of rubber pads which are distributed circumferentially at equal intervals are fixedly sleeved on the outer surface of the pressing wheel, and friction force between the pressing wheel and the surface of the flexible ultrathin glass can be increased through the rubber pads.
Preferably, the one end that the fourth conveyer pipe was kept away from the transportation section of thick bamboo is by the outside top of storing up gluey jar is stretched into towards inside, just the fourth conveyer pipe stretches into the inside one end below of storing up gluey jar is still provided with the defoaming part that plays the bubble removal effect to retrieving the glue solution, the defoaming part is including fixing to erect two fixing bases at storing up gluey jar top, driving motor's output is two the symmetry center of fixing base, two the fixed dress has inlayed the locating pin between the fixing base, just the outward appearance of locating pin is the axial slip cover and is equipped with the cover post, the fixed guide plate that is provided with of surface of cover post, the guide plate is the tilting activity and stretches into the inside of storing up gluey jar, just the guide plate is located the fourth conveyer pipe is kept away from under the transportation section of thick bamboo one end, the cover post with still be provided with between the driving motor, the fourth conveyer pipe carries into the inside glue solution of storing up gluey jar, can drip on the guide plate in the drip process, can spread glue solution to move towards the bottom of storing up the jar again.
Preferably, the toggle assembly comprises tension springs arranged between two ends of the sleeve column and the two fixing seats, the two ends of the tension springs are fixedly assembled with the sleeve column and the fixing seats respectively, a curved rod is fixedly arranged at one end, far away from the guide plate, of the sleeve column, and a toggle wheel is fixedly sleeved on the outer surface of the output end of the driving motor;
the outer surface of thumb wheel includes slick and slash portion, just the bent lever is kept away from the one end of cover post is short board portion, short board portion with the up end of glue storage jar is parallel distribution, just short board portion slides and supports the lateral wall of slick and down portion, the thumb wheel is in the output rotation in-process of following driving motor, and the ratchet portion can transversely push the bent lever a short distance through short board portion, after pushing to maximum value, ratchet portion and short board portion are separated again, and under the effect of two extension springs, a moment of ratchet portion and short board portion separation can let cover post and bent lever reset fast to realize the vibration effect.
Preferably, the guide plate is made of metal copper, the sleeve column and the fixing seat are sleeved with a protective cover which plays a protective role, the outer part of the protective cover and the top of the glue storage tank are respectively provided with a first notch and a second notch which are used for the bent rod to move, and the guide plate made of metal copper has better heat conductivity and can heat along with the temperature in the tank body due to the fact that the inside of the glue storage tank is provided with certain heat.
Compared with the prior art, the invention has the beneficial effects that:
the glue scraping unit can continuously scrape and gather the redundant glue solution at the bending area of the flexible ultrathin glass along with the glue dripping operation of the glue dripping unit, and can directly send the gathered redundant glue solution back to the inside of the glue storage tank for reuse under the action of the glue solution recovery unit, so that the glue solution at the glue dripping area is only smoothed, the large-area diffusion of the glue solution is avoided, the redundant glue solution can be gathered and recycled, and the utilization rate of the glue solution can be further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic diagram of the position distribution structure of the glue dropping unit and the glue scraping unit of the invention;
FIG. 4 is a schematic view of the internal structure of the glue injection cylinder according to the present invention;
FIG. 5 is a schematic view of the structure of the lever and cross plate of the present invention;
FIG. 6 is a schematic view of the structure of the scraper of the present invention;
FIG. 7 is a schematic view of the suction head structure of the present invention;
FIG. 8 is a schematic diagram of the puck and cam configuration of the present invention;
FIG. 9 is a schematic illustration of the thumb wheel and toggle lever configuration of the present invention;
FIG. 10 is a schematic view of a baffle structure according to the present invention.
1, A glue storage tank, 2, an assembly frame, 3, a glue injection cylinder, 4, a first conveying pipe, 5, a glue dispensing needle head, 6, a first piston block, 7, a first piston rod, 8, a transverse plate, 9, a hollow sleeve frame, 10, a worm wheel disc, 11, a worm, 12, a driving motor, 13, a second conveying pipe, 14, a first bracket, 15, a scraping plate, 15a, a straight plate part, 15b, a curling part, 16, an extension block, 17, a sliding rod, 18, a first spring, 19, a transfer cylinder, 20, a suction head, 21, a third conveying pipe, 22, a fourth conveying pipe, 23, a second bracket, 24, a sliding block, 25, a second spring, 26, a rotating shaft, 27, a pinch roller, 28, a deflector rod, 29, a deflector plate, 30, a third spring, 31, a second piston block, 32, a second piston rod, 33, a connecting plate, 34, a cam, 35, a protective cover, 36, a deflector wheel, 37, a positioning pin, 38, a sleeve column, 39, a tension spring and 40.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, a slit coating device for flexible ultrathin glass in the drawings comprises a glue storage tank 1 and a triaxial driving structure for driving the glue storage tank 1 to move, wherein an assembly frame 2 is fixedly arranged on the side wall of the glue storage tank 1, the glue storage tank 1 is provided with a glue dripping unit through the assembly frame 2, the glue dripping unit is used for continuously and uniformly dripping filling glue into a bending area of the flexible ultrathin glass, and the triaxial driving structure is a triaxial moving component commonly used in the prior art, namely, the triaxial driving structure is used for carrying the glue storage tank 1 to perform longitudinal, transverse and axial three-way adjusting movement;
the glue scraping unit is used for scraping the glue overflowed from the bending area of the flexible ultrathin glass, and moves along with the glue dripping unit;
the glue solution recovery unit is used for recovering the excessive glue collected by the glue scraping unit into the glue storage tank 1;
the glue storage tank 1 is made of copper alloy materials, the heat preservation materials are fixedly coated outside, a resistance heating structure is further arranged inside the glue storage tank 1 and used for keeping the internal temperature of the glue storage tank 1, the resistance heating structure is a resistance wire heating structure commonly used in the prior art, resistance wires are distributed inside the glue storage tank 1, the glue storage tank 1 made of copper alloy materials is heated and preserved, the temperature inside the tank body is kept, and the glue solution inside the tank body is always in a fluid state.
The glue dripping unit comprises two glue injection barrels 3 which are symmetrically distributed and fixedly arranged inside an assembly frame 2, first piston blocks 6 are slidably assembled inside the glue injection barrels 3, first piston rods 7 which penetrate through the glue injection barrels 3 in a sliding mode are fixedly arranged at the tops of the first piston blocks 6, first conveying pipes 4 are fixedly communicated with the bottoms of the glue injection barrels 3, one ends of the two first conveying pipes 4, which are far away from the glue injection barrels 3, are intersected to form a port, glue dispensing needles 5 are fixedly assembled below the port, second conveying pipes 13 are fixedly communicated with the outer surfaces of the bottoms of the glue injection barrels 3, the other ends of the second conveying pipes 13 are fixedly communicated with the bottoms of the glue storage tanks 1, one-way valves A and one-way valves B are sleeved on the outer surfaces of the first conveying pipes 4 and the second conveying pipes 13 respectively, driving parts which alternately drag the two first piston rods 7 are arranged at the tops of the assembly frame 2 in a one-way, the glue injection barrels 3 are in one-way circulation mode to the first conveying pipes 4, and the one-way valves B are in one-way circulation mode, and the two conveying pipes 13 are in one-way circulation mode.
The driving part comprises a worm wheel disc 10 positioned between two glue injection cylinders 3, two end faces of the worm wheel disc 10 are respectively and rotatably sleeved with a hollow sleeve frame 9, the bottom of the hollow sleeve frame 9 is fixed with an assembly frame 2, two circumferentially equidistant deflector rods 28 are fixedly inserted in the worm wheel disc 10, the two deflector rods 28 respectively extend towards two first piston rods 7, a transverse plate 8 is fixedly arranged at the top of each first piston rod 7, the first piston rods 7 are positioned on the middle vertical line of the transverse plate 8, straight grooves are formed in the transverse plate 8, the two deflector rods 28 are respectively and slidably inserted in the two straight grooves, a driving motor 12 is further fixedly arranged on the side wall of the glue storage tank 1, the driving motor 12 is positioned above the assembly frame 2, a worm 11 is fixedly sleeved at the output end of the driving motor 12, the worm 11 is in transmission engagement with the worm wheel disc 10, and when the worm wheel disc 10 rotates, the two circumferentially equidistant deflector rods 28 can drive the two transverse plates 8 to alternately move up and down.
The radius of the circumscribed circle of the two deflector rods 28 is smaller than the radius of the inner ring of the hollow sleeve frame 9, and the diameter of the circumscribed circle of the two deflector rods 28 is smaller than the length of the straight groove, so that the deflector rods 28 cannot be blocked in the process of following the movement of the worm wheel disc 10.
The glue scraping unit comprises a first bracket 14 fixedly hung below the glue storage tank 1, two sliding rods 17 are inserted in the first bracket 14 in a sliding manner, extension blocks 16 are fixedly arranged at the bottom of each sliding rod 17, the extension blocks 16 and the sliding rods 17 are vertically distributed, scraping plates 15 are fixedly arranged at one ends, far away from the sliding rods 17, of the two extension blocks 16 together, a first spring 18 is sleeved on the outer surface of each sliding rod 17, and two ends of the first spring 18 are respectively fixed with the first bracket 14 and the extension blocks 16;
The scraper 15 includes a straight plate portion 15a and a curled portion 15b, the straight plate portion 15a is obliquely distributed, the curled portion 15b is fixedly disposed at one end of the straight plate portion 15a, and the obliquely straight plate portion 15a can guide the scraped-off glue solution to the curled portion 15b and make the glue solution gather at the center of the curled portion 15 b.
Before the glue dripping operation, fixing the flexible ultrathin glass on a workbench, then placing the glue dispensing needle head 5 right above a bending area of the flexible ultrathin glass through a triaxial driving structure, and starting a driving motor 12 after adjustment is finished to enable glue solution to be extruded from the bottom of the glue dispensing needle head 5 and simultaneously drive the glue dispensing needle head 5 to horizontally move along the bending area of the flexible ultrathin glass;
The driving motor 12 is meshed with the worm 11 and the worm wheel disc 10, so that the worm wheel disc 10 can rotate with the two deflector rods 28, and the two first piston rods 7 can move up and down alternately, and the purpose of the up and down alternate movement is to enable glue to drop through the glue dispensing needle 5 uniformly and uninterruptedly.
It is noted that, in the process of moving the dispensing needle 5 to the correct position, the glue storage tank 1 presses the scraping plate 15 on the upper end surface of the flexible ultrathin glass, and the first spring 18 is in a compressed state, so that the stability of the pasting between the scraping plate 15 and the flexible ultrathin glass can be ensured, when the dispensing needle 5 moves, the scraping plate 15 also moves along, glue solution dripped into the bending area of the flexible ultrathin glass is smoothed through the straight plate portion 15a, and the straight plate portion 15a is inclined, so that redundant glue solution can be guided into the curled portion 15b, thereby avoiding the surface of the flexible ultrathin glass, which is randomly distributed with redundant glue solution, and avoiding causing redundant cleaning burden.
Embodiment two: referring to fig. 2 and 6-8, in this embodiment, for further explanation of the first embodiment, the glue recycling unit is fixedly arranged on the suction head 20 at the upper end of the curling portion 15b, the suction port of the suction head 20 faces the bottom of the curling portion 15b, the first support 14 is fixedly arranged with a second support 23 at one side far away from the scraping plate 15, the top center of the second support 23 is fixedly arranged with a transferring cylinder 19, the inside of the transferring cylinder 19 is slidably embedded with a second piston block 31, the bottom of the second piston block 31 is fixedly arranged with a second piston rod 32 slidably penetrating through the transferring cylinder 19, and the top of the second piston block 31 is fixedly provided with a third spring 30, a third conveying pipe 21 is fixedly communicated between the bottom of the transfer cylinder 19 and the top of the suction head 20, a fourth conveying pipe 22 is fixedly communicated between the transfer cylinder 19 and the top of the glue storage tank 1, a check valve C and a check valve D are respectively arranged outside the third conveying pipe 21 and the fourth conveying pipe 22, a touch part pushing the second piston rod 32 is further arranged inside the second bracket 23, the circulation direction of the check valve C is that the suction head 20 is in unidirectional circulation with the transfer cylinder 19, and the circulation direction of the check valve D is that the transfer cylinder 19 is in unidirectional circulation with the glue storage tank 1.
The touch component comprises two sliding blocks 24 which are arranged in the second support 23 in a sliding manner and are distributed oppositely, the transfer cylinder 19 is positioned between the two sliding blocks 24, a rotating shaft 26 is rotatably arranged between the two sliding blocks 24, a second spring 25 is fixedly arranged between one end, close to the transfer cylinder 19, of the sliding block 24 and the second support 23, two symmetrically distributed pressing wheels 27 are fixedly sleeved on the outer surface of the rotating shaft 26, cams 34 are fixedly arranged on opposite end surfaces of the two pressing wheels 27, a connecting plate 33 is fixedly arranged at the bottom of a second piston rod 32, two ends of the connecting plate 33 are arranged right above the two cams 34, a plurality of rubber pads which are distributed circumferentially at equal intervals are fixedly sleeved on the outer surface of the pressing wheels 27, and friction force between the pressing wheels 27 and the surface of flexible ultrathin glass can be increased through the rubber pads.
In this embodiment, referring to fig. 2, the horizontal tangential plane of the lower end of the pressing wheel 27 is lower than the bottom surface of the scraper 15, that is, when the scraper 15 can effectively abut against the surface of the flexible ultrathin glass, the pressing wheel 27 can also elastically press the upper end surface of the flexible ultrathin glass under the action of the second spring 25, and the interval between the cam 34 and the connecting plate can be shortened in the process that the pressing wheel 27 is pressed down, so that the glue storage tank 1 can be pushed against the connecting plate 33 frequently by the cam 34 when the pressing wheel 27 rolls on the surface of the flexible ultrathin glass in the moving process, and the second piston block 31 can be expanded and contracted up and down in the transfer cylinder 19 by matching with the action of the third spring 30, so that the surplus glue collected in the curled portion 15b can be sucked by the suction head 20 and conveyed into the glue storage tank 1, thereby realizing that the surplus glue is not wasted, avoiding the glue from being accumulated in the curled portion 15b and spreading everywhere, and improving the effective utilization rate of the glue.
Referring to fig. 8-10, in this embodiment, further description is made of other embodiments, one end of the fourth conveying pipe 22, which is far away from the transfer cylinder 19, extends into the glue storage tank 1 from the top of the outer side of the glue storage tank 1, a defoaming component for removing bubbles from the recovered glue solution is further disposed below one end of the fourth conveying pipe 22, which extends into the glue storage tank 1, the defoaming component includes two fixing seats fixedly mounted on the top of the glue storage tank 1, the output end of the driving motor 12 is the symmetrical center of the two fixing seats, a positioning pin 37 is fixedly mounted between the two fixing seats, the outer surface of the positioning pin 37 is axially sleeved with a sleeve column 38 in a sliding manner, a guide plate 29 is fixedly disposed on the outer surface of the sleeve column 38, the guide plate 29 extends into the glue storage tank 1 in an inclined manner, a stirring component is disposed between the sleeve column 38 and the driving motor 12, the glue solution conveyed into the glue storage tank 1 by the fourth conveying pipe 22 can be dripped on the guide plate 29 in the dripping process, and the glue solution can be moved to the bottom of the glue storage tank 1.
The toggle assembly comprises tension springs 39 arranged between two ends of the sleeve column 38 and two fixed seats, the two ends of the two tension springs 39 are fixedly assembled with the sleeve column 38 and the fixed seats respectively, a curved rod 40 is fixedly arranged at one end of the sleeve column 38 away from the guide plate 29, and a toggle wheel 36 is fixedly sleeved on the outer surface of the output end of the driving motor 12;
The outer surface of the thumb wheel 36 comprises a smooth part and a ratchet part, one end of the curved bar 40 far away from the sleeve column 38 is a short plate part, the short plate part is distributed in parallel with the upper end face of the glue storage tank 1, the short plate part slides against the side wall of the smooth part, the ratchet part can transversely push the curved bar 40 for a small distance through the short plate part in the rotation process of the output end of the following driving motor 12, after pushing to the maximum value, the ratchet part is separated from the short plate part, and under the action of the two tension springs 39, the sleeve column 38 and the curved bar 40 can be reset quickly at the moment of separation of the ratchet part and the short plate part, so that the vibration effect is realized.
The guide plate 29 is made of metal copper, the sleeve column 38 and the outer sleeve of the fixing seat are provided with the protective cover 35 with protective effect, the outer part of the protective cover 35 and the top of the glue storage tank 1 are respectively provided with a first notch and a second notch for the bent rod 40 and the guide plate 29 to move, and the guide plate 29 made of metal copper has better heat conductivity and can heat up along with the temperature in the tank body because the inside of the glue storage tank 1 is provided with certain heat.
In this embodiment, the glue solution pumped into the glue storage tank 1 drops onto the guide plate 29, and the gravitational potential energy is converted into kinetic energy due to the fact that the glue solution drops from above, so that the glue solution can be beaten onto the guide plate 29, the deflector 36 is driven by the output end of the driving motor 12, the sleeve column 38 can carry the guide plate 29 with frequent transverse vibration movements under the action of the tension spring 39, the degree of glue solution beaches is more sufficient, a large number of bubbles exist in the recovered glue solution, if the bubbles are not treated, the bubbles are output into the bending area of the flexible ultrathin glass in the later period, the filling density of the bubbles is reduced, and therefore, when the recovered glue solution is dripped into the glue storage tank 1 and mixed with the glue solution in the tank, defoaming treatment is needed, the mixed bubbles can be quickly ruptured after the glue solution dripped onto the guide plate 29 is fully beaten, and the guide plate 29 made of metal copper can also absorb heat in the glue storage tank 1, and when the temperature of the guide plate 29 is slightly raised, the speed of the bubbles can be increased.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The slit coating device for the flexible ultrathin glass is characterized by comprising a glue storage tank (1) and a triaxial driving structure for driving the glue storage tank (1) to move, wherein an assembly frame (2) is fixedly arranged on the side wall of the glue storage tank (1), the glue storage tank (1) is provided with a glue dripping unit through the assembly frame (2), and the glue dripping unit is used for continuously and uniformly dripping filling glue into a bending area of the flexible ultrathin glass;
further comprises:
The glue scraping unit is used for scraping the glue overflowing the bending area of the flexible ultrathin glass, and moves along with the glue dripping unit;
the glue solution recovery unit is used for recovering the redundant glue collected by the glue scraping unit into the glue storage tank (1);
the glue storage tank (1) is made of copper alloy materials, a heat insulation material is fixedly coated outside the glue storage tank (1), a resistance heating structure is further arranged inside the glue storage tank (1), and the resistance heating structure is used for keeping the internal temperature of the glue storage tank (1);
The glue dripping unit comprises two symmetrically distributed glue injection barrels (3) fixedly arranged in the assembly frame (2), a first piston block (6) is slidably arranged in the glue injection barrels (3), a first piston rod (7) penetrating through the glue injection barrels (3) in a sliding mode is fixedly arranged at the top of the first piston block (6), a first conveying pipe (4) is fixedly communicated with the bottom of the glue injection barrels (3), one end, far away from the glue injection barrels (3), of each first conveying pipe (4) is provided with a port, a glue dispensing needle head (5) is fixedly arranged below the port, a second conveying pipe (13) is fixedly communicated with the outer surface of the bottom of each glue injection barrel (3), the other end of each second conveying pipe (13) is fixedly communicated with the bottom of the glue storage tank (1), a one-way valve A and a one-way valve B are sleeved on the outer surface of each first conveying pipe (4) and the outer surface of each second conveying pipe (13) respectively, and the two piston rods (7) of the assembly frame are alternately pulled by one;
The driving component comprises worm wheel discs (10) positioned between two glue injection cylinders (3), two end faces of each worm wheel disc (10) are respectively sleeved with a hollow sleeve frame (9) in a rotating mode, the bottoms of the hollow sleeve frames (9) are respectively fixed with the assembly frame (2), two circumferentially equidistant deflector rods (28) are fixedly inserted into the worm wheel discs (10), the two deflector rods (28) respectively extend towards the two first piston rods (7), a transverse plate (8) is fixedly arranged at the top of each first piston rod (7), the first piston rods (7) are positioned on the middle vertical line of the transverse plate (8), a vertical groove is formed in the transverse plate (8), the two deflector rods (28) are respectively inserted into the two vertical grooves in a sliding mode, a driving motor (12) is further arranged on the side wall of each glue storage tank (1), the driving motor (12) is positioned above the assembly frame (2), and the output end of each driving motor (12) is fixedly provided with a worm wheel disc (11);
The glue scraping unit comprises a first bracket (14) fixedly hoisted below the glue storage tank (1), two sliding rods (17) are inserted into the first bracket (14) in a sliding manner, extension blocks (16) are fixedly arranged at the bottom of each sliding rod (17), the extension blocks (16) and the sliding rods (17) are vertically distributed, scraping plates (15) are fixedly arranged at one ends, far away from the sliding rods (17), of the two extension blocks (16), a first spring (18) is sleeved on the outer surface of each sliding rod (17), and two ends of each first spring (18) are respectively fixed with the first bracket (14) and the corresponding extension block (16);
the scraping plate (15) comprises a straight plate portion (15 a) and a curled portion (15 b), wherein the straight plate portion (15 a) is obliquely distributed, and the curled portion (15 b) is fixedly arranged at one end of the straight plate portion (15 a);
The glue solution recovery unit is fixed to be set up suction head (20) of portion (15 b) upper end, just the suction port orientation of suction head (20) the bottom of portion (15 b) is curled, first support (14) are kept away from one side of scraper blade (15) is fixed to be provided with second support (23), just the fixed transport section of thick bamboo (19) that is provided with in top center of second support (23), the inside slip of transport section of thick bamboo (19) is equipped with second piston block (31), the fixed second piston rod (32) that are provided with of second piston block (31) slide run through in transport section of thick bamboo (19), just the fixed third spring (30) that is provided with in top of second piston block (31), the bottom of transport section of thick bamboo (19) with fixed intercommunication is provided with third conveyer pipe (21) between the top of suction head (20), just the fixed intercommunication is provided with fourth conveyer pipe (22) between the top of transport section of thick bamboo (19) with storage tank (1), third conveyer pipe (21) and fourth conveyer pipe (21) and second piston rod (32) are equipped with respectively the inside one-way valve (C) of moving the inside of second piston rod (23) is equipped with respectively.
2. The slit coating apparatus of flexible ultrathin glass as recited in claim 1, wherein the radius of the circumscribed circle of the two deflector rods (28) is smaller than the radius of the inner ring of the hollow sleeve frame (9), and the diameter of the circumscribed circle of the two deflector rods (28) is smaller than the length of the straight groove.
3. The device of claim 1, wherein the touch component comprises two sliding blocks (24) which are assembled in the second bracket (23) in a sliding manner and are distributed oppositely, the transfer cylinder (19) is positioned between the two sliding blocks (24), a rotating shaft (26) is rotatably arranged between the two sliding blocks (24), a second spring (25) is fixedly arranged between one end, close to the transfer cylinder (19), of the sliding block (24) and the second bracket (23), two symmetrically distributed pressing wheels (27) are fixedly sleeved on the outer surface of the rotating shaft (26), cams (34) are fixedly arranged on opposite end faces of the two pressing wheels (27), a connecting plate (33) is fixedly arranged at the bottom of the second piston rod (32), and two ends of the connecting plate (33) are arranged right above the two cams (34).
4. The slit coating device for flexible ultrathin glass according to claim 1, wherein one end of the fourth conveying pipe (22) far away from the transferring cylinder (19) stretches into the adhesive storage tank (1) from the outer top to the inside, a defoaming component playing a role in bubble removal for recycling adhesive solution is further arranged below one end of the fourth conveying pipe (22) stretching into the adhesive storage tank (1), the defoaming component comprises two fixing seats fixedly arranged at the top of the adhesive storage tank (1), the output end of the driving motor (12) is the symmetrical center of the two fixing seats, a positioning pin (37) is fixedly arranged between the two fixing seats, the outer surface of the positioning pin (37) is axially sleeved with a sleeve column (38) in a sliding mode, a deflector (29) is fixedly arranged on the outer surface of the sleeve column (38), the deflector (29) stretches into the adhesive storage tank (1) in an inclined mode, the deflector (29) is positioned between the transferring cylinder (19) and the driving assembly, and the sleeve column (38) is further arranged right below the transferring motor (22).
5. The slit coating device of flexible ultrathin glass as recited in claim 4, wherein the poking assembly comprises tension springs (39) arranged between two ends of the sleeve column (38) and the two fixing seats, two ends of the two tension springs (39) are fixedly assembled with the sleeve column (38) and the fixing seats respectively, a curved rod (40) is fixedly arranged at one end, far away from the guide plate (29), of the sleeve column (38), and a poking wheel (36) is fixedly sleeved on the outer surface of the output end of the driving motor (12);
The outer surface of the poking wheel (36) comprises a smooth part and a ratchet part, one end of the curved rod (40) far away from the sleeve column (38) is a short plate part, the short plate part and the upper end surface of the glue storage tank (1) are distributed in parallel, and the short plate part slides against the side wall of the smooth part.
6. The slit coating apparatus of flexible ultrathin glass as recited in claim 5, wherein the guide plate (29) is made of metal copper, a protective cover (35) with protective effect is sleeved outside the sleeve column (38) and the fixing seat, and a first notch and a second notch for moving the bent rod (40) and the guide plate (29) are respectively formed in the outer part of the protective cover (35) and the top of the glue storage tank (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411667035.0A CN119140372B (en) | 2024-11-21 | 2024-11-21 | A slit coating device for flexible ultra-thin glass |
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| CN202411667035.0A CN119140372B (en) | 2024-11-21 | 2024-11-21 | A slit coating device for flexible ultra-thin glass |
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| CN119140372B true CN119140372B (en) | 2025-04-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109764040A (en) * | 2019-03-19 | 2019-05-17 | 昆山希盟自动化科技有限公司 | A kind of LOCA make-up machine |
| CN115365060A (en) * | 2022-09-02 | 2022-11-22 | 安徽艺云玻璃有限公司 | Toughened glass production and processing is with processing gluey spraying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100858889B1 (en) * | 2003-03-03 | 2008-09-17 | 도레이 가부시끼가이샤 | Slit die, and method and device for producing base material with coating film |
| CN217342103U (en) * | 2022-04-11 | 2022-09-02 | 江苏润泽节能科技有限公司 | Full-automatic hollow glass spreading machine |
| CN220371482U (en) * | 2023-07-21 | 2024-01-23 | 东莞市友辉光电科技有限公司 | Slit coating device for flexible ultrathin glass |
| CN221907852U (en) * | 2024-02-28 | 2024-10-29 | 山东润弘铝业有限公司 | Aluminum surface coating device |
| CN118358636B (en) * | 2024-06-19 | 2024-09-17 | 江苏苏钏科技有限公司 | Sheet taking device in ultrathin coated glass production |
| CN118751483B (en) * | 2024-09-09 | 2024-11-22 | 南通辉森胶粘科技有限公司 | An automatic glue coating machine for producing polyester fiber self-adhesive tape |
| CN118950571B (en) * | 2024-10-17 | 2024-12-17 | 江苏苏钏科技有限公司 | Ultrathin flexible glass cleaning device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764040A (en) * | 2019-03-19 | 2019-05-17 | 昆山希盟自动化科技有限公司 | A kind of LOCA make-up machine |
| CN115365060A (en) * | 2022-09-02 | 2022-11-22 | 安徽艺云玻璃有限公司 | Toughened glass production and processing is with processing gluey spraying device |
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