Die head lip surface cleaning device

Abstract

The utility model discloses a die head lip surface cleaning device which comprises a cleaning mechanism, the cleaning mechanism comprises a cleaning tank body, a soaking tank body is arranged in the cleaning tank body, a soaking tank is arranged in the soaking tank body, and the cleaning mechanism further comprises two sliding cover plates and two cover plate driving mechanisms. The two sliding cover plates are oppositely arranged and slidably arranged at the top end of the cleaning tank body, the soaking tank is located below the position between the two sliding cover plates, and the two cover plate driving mechanisms are used for driving the two sliding cover plates to move in the direction close to or away from the soaking tank. The die head lip surface cleaning device further comprises two scraper atomization mechanisms and two blowing mechanisms, and the two scraper atomization mechanisms are oppositely arranged and correspond to the two sliding cover plates respectively. According to the utility model, the cleaning time can be saved, the cleaning efficiency is improved, and the condition of liquid hanging on the surface of the lip of the die head can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coating, specifically relates to a die lip surface cleaning device. BACKGROUND

[0002] At present, after or before adopting the slot coating equipment to coat the photoresist on the surface of, for example, an optical film, the die lip surface cleaning device is generally adopted to clean the two surfaces of the die lip of the slot coating equipment to remove the photoresist residues on the die lip surface.

[0003] The existing die lip surface cleaning device generally comprises a cleaning mechanism, the cleaning mechanism comprises a cleaning tank body, a soaking tank body is arranged in the cleaning tank body, a soaking tank is arranged in the soaking tank body, two sliding blocks are slidably arranged on the inner walls of the two sides of the soaking tank, a moving drive mechanism for driving the two sliding blocks to reciprocate along the length direction of the soaking tank is arranged on the cleaning tank body, a wiping member and an atomizing nozzle are sequentially arranged on the sliding block along the direction from one end of the soaking tank to the other end of the soaking tank, and the movement of the sliding block can drive the wiping member and the atomizing nozzle to move synchronously. In actual application, the two sliding blocks, the wiping members and the atomizing nozzles on the two sliding blocks are respectively located at one end of the soaking tank, the die is correspondingly arranged above the die lip surface cleaning device, the die is first driven to move downward by the lifting drive device of the slot coating equipment so that the die lip of the die is inserted into the soaking tank, at this time, the two wiping members are respectively in contact with one end of the two surfaces of the die lip, then the two sliding blocks, the wiping members and the atomizing nozzles on the two sliding blocks are driven to move toward the other end of the soaking tank by the moving drive mechanism, in the process of movement, the atomizing nozzles on the two sliding blocks can respectively spray the mist-shaped cleaning agent to the two surfaces of the die lip, so that the two surfaces of the die lip can be cleaned, the wiping members on the two sliding blocks can respectively wipe the two surfaces of the die lip along the length direction of the die lip until the wiping members on the two sliding blocks reach the other end of the two surfaces of the die lip, so that the two surfaces of the die lip are cleaned.

[0004] In the above structure, on the one hand, during the wiping of the wiping member on the corresponding surface of the die lip, the surface of the die lip is not dried, so that the cleaning agent is easily left on the surface of the die lip, resulting in the liquid hanging phenomenon, on the other hand, the wiping member wipes the corresponding surface of the die lip along the length direction of the die lip, and the length of the die lip is generally relatively long, so that the cleaning time is increased and the cleaning efficiency is reduced. SUMMARY

[0005] In order to overcome the prior art, the utility model provides a die lip surface cleaning device, can save cleaning time, has improved cleaning efficiency and can avoid the die lip surface from appearing liquid hanging.

[0006] The utility model solves technical scheme that its technical problem adopts:

[0007] A die lip surface cleaning device, including cleaning mechanism, the cleaning mechanism includes cleaning tank body, be equipped with soaking tank body in the cleaning tank body, be equipped with soaking groove in the soaking tank body, the cleaning mechanism still includes two sliding cover plates and two cover plate drive mechanisms, two sliding cover plates are opposite and respectively slidingly arranged at the top of the cleaning tank body, the soaking groove is below between two sliding cover plates, two cover plate drive mechanisms are used for respectively driving two sliding cover plates move to the direction close to or away from the soaking groove, the die lip surface cleaning device still includes two scraper atomization mechanisms and two blowing mechanisms, two scraper atomization mechanisms are opposite and respectively with two sliding cover plates correspond, the scraper atomization mechanism includes scraper atomization subassembly and scraper drive assembly, the scraper atomization subassembly with the soaking groove corresponds, one side of the scraper atomization subassembly is hinged with the inside of corresponding sliding cover plate, the other side of the scraper atomization subassembly is inclined upwardly arranged to the direction close to the soaking groove, the scraper drive assembly is set up in the inside of corresponding sliding cover plate and is used for driving the scraper atomization subassembly rotation, two blowing mechanisms are opposite and respectively set up at the top of two sliding cover plates, two blowing mechanisms are respectively with two scraper atomization subassembly correspond, the length of scraper atomization subassembly, blowing mechanism all is greater than the length of die lip.

[0008] As a preferred technical scheme, the scraper atomization subassembly includes a scraper, a pressing plate, and a scraper atomization nozzle, the inside of the sliding cover plate is formed with a protrusion, one side of the scraper atomization nozzle is hinged with the protrusion of the corresponding sliding cover plate, the other side of the scraper atomization nozzle is inclined upwardly arranged to the direction close to the soaking groove, the scraper is arranged at the top of the scraper atomization nozzle, one side of the scraper is flush with one side of the scraper atomization nozzle, the other side of the scraper protrudes from the other side of the scraper atomization nozzle, the pressing plate is arranged at the top of the scraper, one side of the pressing plate is flush with one side of the scraper atomization nozzle, the other side of the pressing plate is flush with the other side of the scraper atomization nozzle, the length of the scraper, the pressing plate, and the scraper atomization nozzle is greater than the length of the die lip.

[0009] As a preferred technical scheme, the scraper driving assembly comprises a scraper driving member and a driving rod, the inner side of the sliding cover plate is provided with a mounting groove, the mounting groove is located at one side of the protruding part and extends to one end of the sliding cover plate, the scraper driving member is arranged on the bottom of the mounting groove of the corresponding sliding cover plate, the driving rod is rotatably arranged on the bottom of the mounting groove of the corresponding sliding cover plate, one end of the driving rod is connected with the output end of the scraper driving member, the other end of the driving rod is sleeved with a disc, the disc is provided with a connecting rod away from one end of the driving rod, the connecting rod is connected with one end of the pressing plate away from the disc, and the axis of the connecting rod is located above the center of the disc.

[0010] As a preferred technical scheme, the blowing mechanism comprises a wind knife, the wind knives of the two blowing mechanisms are oppositely arranged and respectively arranged at the top ends of the two sliding cover plates, the wind knives of the two blowing mechanisms correspond to the two scraper atomization assemblies respectively, and the length of the wind knife is greater than the length of the die lip.

[0011] As a preferred technical scheme, the top ends of the two sliding cover plates are respectively provided with two oppositely arranged blowing atomization nozzles, the two blowing atomization nozzles correspond to the two scraper atomization assemblies respectively, the wind knives of the two blowing mechanisms are respectively arranged at the top ends of the two blowing atomization nozzles, and the length of the blowing atomization nozzle is greater than the length of the die lip.

[0012] As a preferred technical scheme, the die lip surface cleaning device further comprises an atomization bottle and a conduit, one end of the conduit is connected with the atomization bottle, the other end of the conduit is connected with a first branch pipe and a second branch pipe, the first branch pipe is connected with two first connecting pipes, the two first connecting pipes are respectively connected with the scraper atomization nozzles of the two scraper atomization mechanisms, the second branch pipe is connected with two second connecting pipes, and the two second connecting pipes are respectively connected with the two blowing atomization nozzles.

[0013] As a preferred technical scheme, the first branch pipe is provided with a first on-off valve, and the second branch pipe is provided with a second on-off valve.

[0014] As a preferred technical scheme, the cover plate driving mechanism comprises a cover plate driving member, a lead screw and a nut, both sides of the cleaning tank body are respectively provided with two through grooves, the two through grooves are respectively located below the two sliding cover plates, the lead screws of the two cover plate driving mechanisms are respectively located in the two through grooves, one end of the lead screw is rotatably connected with the bottom of the corresponding through groove, the other end of the lead screw is connected with the output end of the cover plate driving member, the nut is in threaded connection with the lead screw, the top end of the nut is provided with a connecting block, and the top end of the connecting block extends out of the corresponding through groove and is connected with the bottom end of the corresponding sliding cover plate.

[0015] As a preferred technical scheme, the die lip surface cleaning device further comprises two drop detection mechanisms, the two drop detection mechanisms are oppositely arranged and respectively arranged at top ends of the two air blowing mechanisms, and lengths of the drop detection mechanisms are matched with a length of the die lip.

[0016] As a preferred technical scheme, the drop detection mechanism comprises a detection seat and a detection camera, the detection seats of the two drop detection mechanisms are respectively arranged at the top ends of the two air blowing mechanisms, one side of the detection seat of each of the two drop detection mechanisms is flush with an inner side of the two sliding cover plates, and the detection camera is arranged at the one side of the detection seat.

[0017] The die lip surface cleaning device has the following beneficial effects: the sliding cover plates, the two cover plate driving mechanisms, the two scraper atomization mechanisms and the two air blowing mechanisms are arranged, lengths of the scraper atomization assemblies of the two scraper atomization mechanisms and lengths of the two air blowing mechanisms are greater than a length of the die lip, the scraper atomization assemblies of the two scraper atomization mechanisms can respectively spray cleaning agents in a misty form to two surfaces of the die lip, so that the two surfaces of the die lip can be cleaned, the scraper driving assemblies of the two scraper atomization mechanisms can respectively drive the corresponding scraper atomization assemblies to rotate downward, so that the two surfaces of the die lip can be wiped by the scraper atomization assemblies of the two scraper atomization mechanisms, the two surfaces of the die lip are thus cleaned, the two air blowing mechanisms can respectively blow air to the two surfaces of the die lip, so that the two surfaces of the die lip can be dried, compared with the prior art, the die lip surface cleaning device adopts the mode that the scraper atomization assemblies rotate to clean the surfaces of the die lip, the cleaning is from top to bottom, the cleaning time can be saved, the cleaning efficiency is improved, and the two surfaces of the die lip can be dried by the two air blowing mechanisms, so that the surfaces of the die lip can be prevented from being liquid-hung. BRIEF DESCRIPTION OF DRAWINGS

[0018] The die lip surface cleaning device will be further described below in combination with the drawings and embodiments.

[0019] Figure 1 is a structure schematic view of a first angle of the die lip surface cleaning device provided by an embodiment of the die lip surface cleaning device;

[0020] Figure 2 is Figure 1 is a sectional view of the die lip surface cleaning device;

[0021] Figure 3 is Figure 2 is an enlarged view of a part A shown in the die lip surface cleaning device;

[0022] Figure 4 is Figure 1The first angle structure diagram of the die lip surface cleaning device shown in the figure after removing the atomizing bottle, the conduit, the first branch pipe, the second branch pipe, the two first connecting pipes, the two second connecting pipes, the first switch valve and the second switch valve;

[0023] Figure 5 is Figure 1 The second angle structure diagram of the die lip surface cleaning device shown in the figure after removing the atomizing bottle, the conduit, the first branch pipe, the second branch pipe, the two first connecting pipes, the two second connecting pipes, the first switch valve and the second switch valve;

[0024] Figure 6 is Figure 1 The structure diagram of the cleaning mechanism of the die lip surface cleaning device shown in the figure after removing the two sliding cover plates;

[0025] Figure 7 is Figure 1 The structure diagram of the two sliding cover plates, the two scraper atomizing mechanisms, the two air blowing mechanisms and the two air blowing atomizing nozzles of the die lip surface cleaning device shown in the figure;

[0026] Figure 8 is Figure 1 The structure diagram of the sliding cover plate, the scraper atomizing mechanism, the air blowing mechanism and the air blowing atomizing nozzle of the die lip surface cleaning device shown in the figure;

[0027] Figure 9 is Figure 8 The structure diagram of the scraper atomizing mechanism shown in the figure;

[0028] Figure 10 is Figure 8 The structure diagram of the scraper atomizing assembly, the air blowing mechanism and the air blowing atomizing nozzle of the scraper atomizing mechanism shown in the figure;

[0029] Figure 11 is Figure 1 The structure diagram of the die lip surface cleaning device shown in the figure after removing the cleaning mechanism.

[0030] Reference signs:

[0031] 10, cleaning mechanism; 11, cleaning tank body; 111, through groove; 112, sliding rail; 113, sliding block; 12, soaking tank body; 121, soaking groove; 13, sliding cover plate; 131, protruding part; 132, mounting groove; 14, cover plate driving mechanism; 141, cover plate driving piece; 142, screw rod; 143, nut; 144, connecting block;

[0032] 20, scraper atomization mechanism; 21, scraper atomization assembly; 211, scraper; 212, pressing plate; 213, scraper atomization nozzle; 214, hinge; 22, scraper driving assembly; 221, scraper driving member; 222, driving rod; 2221, bearing seat; 223, disc; 224, connecting rod;

[0033] 30, blowing mechanism; 31, air knife;

[0034] 40, blowing atomization nozzle;

[0035] 50, droplet detection mechanism; 51, detection seat; 511, detection groove;

[0036] 60, atomization bottle;

[0037] 70, conduit; 71, first branch pipe; 72, second branch pipe; 73, first connecting pipe; 74, second connecting pipe; 75, first on-off valve; 76, second on-off valve;

[0038] 100, die lip; 101, die lip lip; 102, surface of die lip lip. DETAILED DESCRIPTION

[0039] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the coupling / connection relationships involved in the patent do not mean that the components are directly connected, but means that a better coupling structure can be composed by adding or reducing coupling auxiliary components according to the specific implementation situation. The various technical features in the present application can be interactively combined without mutual contradiction and conflict.

[0040] Please refer to Figure 1 and Figure 2 , an embodiment of the present application provides a die lip surface cleaning device, which comprises a cleaning mechanism 10, two scraper atomization mechanisms 20 and two blowing mechanisms 30.

[0041] Combined with Figures 3 to 8 , the cleaning mechanism 10 comprises a cleaning tank body 11, two sliding cover plates 13 and two cover plate driving mechanisms 14.

[0042] The cleaning tank 11 is provided with a soaking tank 12, and the length direction of the soaking tank 12 is the same as that of the cleaning tank 11. The soaking tank 12 is provided with a soaking groove 121, and the length direction of the soaking groove 121 is the same as that of the soaking tank 12. The length of the soaking groove 121 is greater than that of the die lip 101. The soaking groove 121 is used to contain cleaning agent, such as PGMEA (propylene glycol methyl ether acetate) cleaning agent. In actual application, the cleaning tank 11 is arranged on a coating support of the slot coating device.

[0043] The two sliding cover plates 13 are oppositely arranged and respectively slidably arranged at the top end of the cleaning tank 11. The length direction of the sliding cover plates 13 is the same as that of the cleaning tank 11. The soaking tank 12 is located below the two sliding cover plates 13, and the soaking groove 121 is located below the two sliding cover plates 13. The two cover plate driving mechanisms 14 are respectively used to drive the two sliding cover plates 13 to move along the width direction of the cleaning tank 11 towards or away from the soaking groove 121. The cover plate driving mechanism 14 is electrically connected with the control system.

[0044] In the embodiment, the top end of the cleaning tank 11 is provided with two sliding rails 112, and the length direction of the sliding rails 112 is the same as the width direction of the cleaning tank 11. The two sliding rails 112 are respectively close to the two ends of the cleaning tank 11. The bottom end of the sliding cover plate 13 is provided with a sliding block 113 corresponding to the sliding rail 112, and the sliding block 113 is slidably connected with the corresponding sliding rail 112. The number of the sliding blocks 113 can be arranged according to actual conditions.

[0045] The cover plate driving mechanism 14 includes a cover plate driving member 141, a screw rod 142 and a nut 143. The cover plate driving member 141 is a motor, and the cover plate driving member 141 is electrically connected with the control system. The two sides of the cleaning tank 11 are respectively provided with two through grooves 111, and the two through grooves 111 are respectively located below the two sliding cover plates 13. The screw rod 142 of the two cover plate driving mechanisms 14 is respectively located in the two through grooves 111. One end of the screw rod 142 is rotatably connected with the bottom of the corresponding through groove 111, and the other end of the screw rod 142 is connected with the output end of the cover plate driving member 141. The nut 143 is threadedly connected with the screw rod 142. The top end of the nut 143 is provided with a connecting block 144, and the top end of the connecting block 144 extends out of the corresponding through groove 111 and is connected with the bottom end of the corresponding sliding cover plate 13. The cover plate driving member 141 is used to drive the screw rod 142 to rotate, so as to drive the nut 143 to move towards or away from the soaking groove 121, and then the corresponding sliding cover plate 13 can be driven to move towards or away from the soaking groove 121 through the connecting block 144. In actual application, the cover plate driving member 141 is arranged on the coating support of the slot coating device.

[0046] One end of the screw rod 142 is rotatably connected with the bottom of the corresponding through groove 111, in particular, the bottom of the through groove 111 is provided with a mounting hole, and the one end of the screw rod 142 is rotatably arranged in the mounting hole of the bottom of the corresponding through groove 111 through a bearing or the like.

[0047] The two scraper atomization mechanisms 20 are oppositely arranged and correspond to the two sliding cover plates 13 respectively. The scraper atomization mechanism 20 comprises a scraper atomization assembly 21 and a scraper driving assembly 22. The scraper atomization assembly 21 corresponds to the soaking groove 121, one side of the scraper atomization assembly 21 is hinged to the inner side of the corresponding sliding cover plate 13, the inner side of the sliding cover plate 13 is the side of the two sliding cover plates 13 close to each other, and the other side of the scraper atomization assembly 21 is arranged upwardly and obliquely towards the direction close to the soaking groove 121. The scraper atomization assemblies 21 of the two scraper atomization mechanisms 20 are respectively used for spraying the cleaning agent in the form of mist to the two surfaces 102 of the die lip 101, the cleaning agent being the PGMEA (propylene glycol methyl ether acetate) cleaning agent mentioned above, which can dissolve the photoresist residues and the like on the surfaces 102 of the die lip 101, so as to clean the surfaces 102 of the die lip 101, and are respectively used for wiping the two surfaces 102 of the die lip 101. The scraper driving assembly 22 is arranged on the inner side of the corresponding sliding cover plate 13 and is used for driving the scraper atomization assembly 21 to rotate, so that the corresponding surface 102 of the die lip 101 can be wiped by the scraper atomization assembly 21 through the rotation of the scraper atomization assembly 21. The scraper driving assembly 22 is electrically connected with the control system.

[0048] The two blowing mechanisms 30 are oppositely arranged and are arranged at the top ends of the two sliding cover plates 13 respectively, the two blowing mechanisms 30 correspond to the two scraper atomization assemblies 21 respectively, and the two blowing mechanisms 30 are respectively used for blowing air to the two surfaces 102 of the die lip 101. The lengths of the scraper atomization assemblies 21 and the blowing mechanisms 30 are all greater than the length of the die lip 101 and are all less than the length of the soaking groove 121. The movement of the sliding cover plate 13 can drive the corresponding scraper atomization mechanism 20 and blowing mechanism 30 to move synchronously. The blowing mechanism 30 is connected with the air source, and the air source is electrically connected with the control system.

[0049] Through the above structure, in actual application, the cleaning agent is filled into the soaking groove 121, the die lip 100 corresponds to the soaking groove 121 and is located above the die lip surface cleaning device, the two sliding cover plates 13 are first driven by the two cover plate driving mechanisms 14 to move towards the direction close to the soaking groove 121 to the predetermined position respectively, so that the corresponding scraper atomization mechanism 20 and blowing mechanism 30 can be driven by the sliding cover plate 13 to move synchronously to the predetermined position, like Figure 2As shown, at this time, the soaking tank 121 is located below the scraper atomization assemblies 21 of the two scraper atomization mechanisms 20, then the die head 100 is driven downward by the lifting driving device of the slot coating equipment, so that the die head lip 101 is located above the soaking tank 121 and between the scraper atomization assemblies 21 of the two scraper atomization mechanisms 20 and the two air blowing mechanisms 30, at this time, the other side of the scraper atomization assemblies 21 of the two scraper atomization mechanisms 20 respectively contacts the side of the two surfaces 102 of the die head lip 101 away from the tip, then the scraper atomization assemblies 21 of the two scraper atomization mechanisms 20 respectively spray the mist cleaning agent to the two surfaces 102 of the die head lip 101, the two surfaces 102 of the die head lip 101 can be cleaned by the cleaning agent to remove the photoresist residues and the like on the two surfaces 102 of the die head lip 101, at the same time, the corresponding scraper atomization assemblies 21 are driven downward by the scraper driving assemblies 22 of the two scraper atomization mechanisms 20, in the process of the rotation of the scraper atomization assemblies 21 of the two scraper atomization mechanisms 20, the other side of the scraper atomization assemblies 21 of the two scraper atomization mechanisms 20 and the two surfaces 102 of the die head lip 101 rub against each other, so that the two surfaces 102 of the die head lip 101 are wiped, thus the two surfaces 102 of the die head lip 101 are cleaned, in the process of wiping the two surfaces 102 of the die head lip 101, the wiped cleaning agent, photoresist residues and the like can enter the soaking tank 121. When the other side of the scraper atomization assemblies 21 reaches the position corresponding to the tip of the die head lip 101, the scraper atomization assemblies 21 of the two scraper atomization mechanisms 20 stop spraying the mist cleaning agent to the two surfaces 102 of the die head lip 101, when the scraper atomization assemblies 21 of the two scraper atomization mechanisms 20 partially extend into the cleaning agent in the soaking tank 121, the corresponding scraper atomization assemblies 21 are stopped from rotating by the scraper driving assemblies 22 of the two scraper atomization mechanisms 20, the scraper atomization assemblies 21 can be cleaned by the cleaning agent in the soaking tank 121. Then the two surfaces 102 of the die head lip 101 are blown by the two air blowing mechanisms 30 respectively, so that the two surfaces 102 of the die head lip 101 can be dried, avoiding the liquid hanging on the surfaces 102 of the die head lip 101. After reaching the predetermined time, the die head 100 is driven upward by the lifting driving device to return to the initial position, in the process of the upward movement of the die head 100, the two surfaces 102 of the die head lip 101 can continue to be blown by the two air blowing mechanisms 30. Thus the two surfaces 102 of the die head lip 101 are cleaned.

[0050] In addition, in actual application, the die head lip 101 can be soaked in the cleaning agent in the soaking tank 121, so that the inside of the die head lip 101 can be cleaned by the cleaning agent in the soaking tank 121.

[0051] The utility model discloses a sliding cover plate 13, two cover plate drive mechanism 14, two scraper atomization mechanism 20 and two blow mechanism 30 are set up, and the length of scraper atomization component 21 of scraper atomization mechanism 20, the length of blow mechanism 30 are all greater than the length of mould lip 101, and the scraper atomization component 21 of two scraper atomization mechanism 20 can respectively spray the cleaning agent of mist to the two surfaces 102 of mould lip 101, thereby can clean the two surfaces 102 of mould lip 101, and simultaneously the scraper drive assembly 22 of two scraper atomization mechanism 20 can respectively drive corresponding scraper atomization component 21 to rotate downwards, thereby the scraper atomization component 21 of two scraper atomization mechanism 20 can respectively wipe the two surfaces 102 of mould lip 101, so realize the cleaning of the two surfaces 102 of mould lip 101, and two blow mechanism 30 can respectively blow the two surfaces of mould lip 101, thereby can realize the drying of the two surfaces 102 of mould lip 101, compared with prior art, the utility model adopts the mode of scraper atomization component 21 rotation and cleans the surface of mould lip 101, and the cleaning is from top to bottom, can save cleaning time, improves the cleaning efficiency, and two blow mechanism 30 can realize the drying of the two surfaces 102 of mould lip 101, thereby can avoid the situation that the surface 102 of mould lip 101 appears to hang liquid.

[0052] In combination Figures 3 to 5 , Figures 7 to 10The scraper atomization assembly 21 comprises a scraper 211, a pressing plate 212 and a scraper atomization nozzle 213. The inner side of the sliding cover plate 13 is formed with a protrusion 131, one side of the scraper atomization nozzle 213 is hinged to the corresponding protrusion 131 of the sliding cover plate 13 through a hinge 214. In the embodiment, there are two hinges 214, which are arranged in a spaced manner along the length direction of the scraper atomization nozzle 213. It can be understood that the number of the hinges 214 can be set according to actual conditions. The other side of the scraper atomization nozzle 213 is arranged in an upwardly inclined manner towards the direction close to the soaking groove 121. The scraper atomization nozzles 213 of the two scraper atomization mechanisms 20 are respectively used for spraying the cleaning agent in a misty manner to the two surfaces 102 of the die lip 101. The scraper 211 is arranged at the top end of the scraper atomization nozzle 213, one side of the scraper 211 is flush with one side of the scraper atomization nozzle 213, and the other side of the scraper 211 protrudes from the other side of the scraper atomization nozzle 213. The scrapers 211 of the two scraper atomization mechanisms 20 are respectively used for wiping the two surfaces 102 of the die lip 101. The pressing plate 212 is arranged at the top end of the scraper 211, one side of the pressing plate 212 is flush with one side of the scraper atomization nozzle 213, and the other side of the pressing plate 212 is flush with the other side of the scraper atomization nozzle 213. The lengths of the scraper 211, the pressing plate 212 and the scraper atomization nozzle 213 are all greater than the length of the die lip 101 and all less than the length of the soaking groove 121. In the embodiment, the lengths of the scraper 211, the pressing plate 212 and the scraper atomization nozzle 213 are the same. It can be understood that the lengths of the scraper 211, the pressing plate 212 and the scraper atomization nozzle 213 can also be different. The scraper 211, the pressing plate 212 and the scraper atomization nozzle 213 correspond to the soaking groove 121.

[0053] The scraper 211 is made of rubber, for example, fluoro rubber, polytetrafluoroethylene rubber, ethylene-propylene-diene rubber, etc.

[0054] The scraper driving assembly 22 comprises a scraper driving member 221 and a driving rod 222. The scraper driving member 221 is a motor, and the scraper driving member 221 is electrically connected with the control system. The inner side of the sliding cover plate 13 is provided with a mounting groove 132 located at one side of the protruding part 131 and extending to one end of the sliding cover plate 13, and the scraper driving member 221 is arranged on the bottom of the corresponding mounting groove 132 of the sliding cover plate 13. The driving rod 222 is rotatably arranged on the bottom of the corresponding mounting groove 132 of the sliding cover plate 13 through a bearing seat 2221, one end of the driving rod 222 is connected with the output end of the scraper driving member 221, the other end of the driving rod 222 is sleeved with a disc 223, the disc 223 is provided with a connecting rod 224 away from one end of the disc 223, and the other end of the connecting rod 224 away from the disc 223 is connected with one end of the pressing plate 212. The axis of the connecting rod 224 is located above the center of the disc 223, that is, the connecting rod 224 is eccentrically arranged. The scraper driving member 221 is used to drive the driving rod 222 to rotate, so as to drive the disc 223 to rotate, and then drive the connecting rod 224 to rotate, and the rotation of the connecting rod 224 can drive the pressing plate 212, the scraper 211 and the scraper atomizing nozzle 213 to rotate. In actual application, when the die lip 101 is located above the soaking tank 121 and between the scraper atomizing assemblies 21 of the two scraper atomizing mechanisms 20 and the two air blowing mechanisms 30, at this time, the other side of the scraper 211 of the two scraper atomizing mechanisms 20 is respectively in contact with the side of the two surfaces 102 of the die lip 101 away from the sharp end, then the scraper atomizing nozzles 213 of the two scraper atomizing mechanisms 20 can respectively spray the cleaning agent in the form of mist to the two surfaces 102 of the die lip 101, and at the same time, the scraper driving members 221 of the two scraper driving assemblies 22 drive the scraper 211, the pressing plate 212 and the scraper atomizing nozzle 213 of the two scraper atomizing mechanisms 20 to rotate downward, and through the friction force between the other side of the scraper 211 and the two surfaces 102 of the die lip 101, the two surfaces 102 of the die lip 101 are wiped, so that the two surfaces 102 of the die lip 101 are cleaned, when the other side of the scraper 211 reaches the position corresponding to the sharp end of the die lip 101, the scraper atomizing nozzles 213 of the two scraper atomizing mechanisms 20 stop spraying the cleaning agent in the form of mist to the two surfaces 102 of the die lip 101, and when the scraper 211, the pressing plate 212 and the scraper atomizing nozzle 213 of the two scraper atomizing mechanisms 20 partially extend into the cleaning agent in the soaking tank 121, the scraper driving members 221 of the two scraper atomizing mechanisms 20 respectively stop driving the corresponding scraper 211, the pressing plate 212 and the scraper atomizing nozzle 213 to rotate, and the scraper 211, the pressing plate 212 and the scraper atomizing nozzle 213 are cleaned by the cleaning agent. The axis of the connecting rod 224 is located above the center of the disc 223, so that the corresponding surface 102 of the die lip 101 is wiped by the scraper 211.

[0055] The blowing mechanism 30 comprises a wind knife 31, the wind knives 31 of the two blowing mechanisms 30 are oppositely arranged and respectively arranged at the top ends of the two sliding cover plates 13, the wind knives 31 of the two blowing mechanisms 30 respectively correspond to the two scraper atomization assemblies 21, and the length of the wind knife 31 is greater than the length of the die lip 101. The wind knife 31 is used for being connected with the air source. The wind knives 31 of the two blowing mechanisms 30 are respectively used for blowing air to the two surfaces 102 of the die lip 101. In actual application, compressed air can be introduced into the wind knives 31 of the two blowing mechanisms 30 through the air source, so that air can be blown to the corresponding surfaces 102 of the die lip 101 through the wind knives 31.

[0056] In the embodiment, the top ends of the two sliding cover plates 13 are respectively provided with two blowing atomization nozzles 40 which are oppositely arranged, the two blowing atomization nozzles 40 respectively correspond to the two scraper atomization assemblies 21, the wind knives 31 of the two blowing mechanisms 30 are respectively arranged at the top ends of the two blowing atomization nozzles 40, and the length of the blowing atomization nozzle 40 is greater than the length of the die lip 101. The two blowing atomization nozzles 40 are respectively used for spraying the cleaning agent in the form of mist to the two surfaces 102 of the die lip 101. The side of the wind knife 31 close to the soaking groove 121 and the side of the blowing atomization nozzle 40 close to the soaking groove 121 are flush with the inner side of the corresponding sliding cover plate 13.

[0057] In actual application, when the two surfaces 102 of the die lip 101 do not need to be cleaned by the scrapers 211 of the two scraper atomization mechanisms 20, the two sliding cover plates 13 are first driven by the two cover plate driving mechanisms 14 to move towards the soaking groove 121 to the predetermined position, so that the corresponding scraper atomization mechanism 20 and blowing mechanism 30 can be driven to move synchronously to the predetermined position, such as Figure 2As shown, at this time, the soaking tank 121 is located below the scraper atomization assemblies 21 of the two scraper atomization mechanisms 20, then the scraper driving members 221 of the two scraper atomization mechanisms 20 drive the scrapers 211, the pressing plates 212 and the scraper atomization nozzles 213 of the two scraper atomization mechanisms 20 to rotate downward, so that the scrapers 211, the pressing plates 212 and the scraper atomization nozzles 213 of the two scraper atomization mechanisms 20 partially extend into the cleaning agent in the soaking tank 121, then the lifting driving device of the slot coating equipment drives the die lip 100 to move downward to a predetermined position, at this time, the die lip lip 101 is located above the soaking tank 121 and between the scraper atomization assemblies 21 of the two scraper atomization mechanisms 20 and the two air blowing mechanisms 30, then the two air blowing atomization nozzles 40 spray the cleaning agent in the form of mist to the two surfaces 102 of the die lip lip 101, so that the two surfaces 102 of the die lip lip 101 are cleaned to remove the photoresist residues and the like on the two surfaces 102 of the die lip lip 101, after a predetermined time is reached, the two air blowing atomization nozzles 40 stop spraying the cleaning agent in the form of mist to the two surfaces 102 of the die lip lip 101, then the air knives 31 of the two air blowing mechanisms 30 blow air to the two surfaces 102 of the die lip lip 101, so that the two surfaces 102 of the die lip lip 101 are dried, and the two surfaces 102 of the die lip lip 101 are cleaned. After a predetermined time is reached, the lifting driving device drives the die lip 100 to move upward to return to the initial position, in the process of moving upward of the die lip 100, the two air blowing mechanisms 30 continue to blow air to the two surfaces 102 of the die lip lip 101. In this way, the two surfaces 102 of the die lip lip 101 are cleaned.

[0058] In combination Figure 11 As shown, the die lip surface cleaning device further comprises an atomization bottle 60 and a conduit 70, one end of the conduit 70 is connected with the atomization bottle 60, the atomization bottle 60 is used for containing the cleaning agent and is used for being connected with an air source, the air source is electrically connected with a control system, the other end of the conduit 70 is connected with a first branch pipe 71 and a second branch pipe 72, the first branch pipe 71 is connected with two first connecting pipes 73, the two first connecting pipes 73 are respectively connected with the scraper atomization nozzles 213 of the two scraper atomization mechanisms 20, the second branch pipe 72 is connected with two second connecting pipes 74, the two second connecting pipes 74 are respectively connected with the two air blowing atomization nozzles 40. The first branch pipe 71 is provided with a first switch valve 75, and the second branch pipe 72 is provided with a second switch valve 76. The first switch valve 75 and the second switch valve 76 are electrically connected with the control system. The cleaning agent in the form of mist can more fully clean the surfaces 102 of the die lip lip 101.

[0059] In actual application, the cleaning agent is filled in the atomizing bottle 60, when the two surfaces 102 of the die lip 101 need to be cleaned by the doctor blade 211 of the two doctor blade atomizing mechanisms 20, the first switch valve 75 is opened, the second switch valve 76 is closed, the compressed air is introduced into the atomizing bottle 60 through the gas source, the compressed air in the atomizing bottle 60 can scatter the cleaning agent in the atomizing bottle 60 into small particles, so that the atomized cleaning agent is formed, then the atomized cleaning agent can enter into the conduit 70, then the atomized cleaning agent can enter into the two first connecting pipes 73 through the first branch pipe 71, then the atomized cleaning agent can enter into the doctor blade atomizing nozzles 213 of the two doctor blade atomizing mechanisms 20, then the atomized cleaning agent can be sprayed to the two surfaces 102 of the die lip 101 through the doctor blade atomizing nozzles 213 of the two doctor blade atomizing mechanisms 20, when the doctor blade atomizing assembly 21 reaches the position corresponding to the tip of the die lip 101, the first switch valve 75 is closed, so that the atomized cleaning agent sprayed to the two surfaces 102 of the die lip 101 through the doctor blade atomizing nozzles 213 of the two doctor blade atomizing mechanisms 20 is stopped. When the two surfaces 102 of the die lip 101 do not need to be cleaned by the doctor blade 211 of the two doctor blade atomizing mechanisms 20, the second switch valve 76 is opened, the first switch valve 75 is closed, the compressed air is introduced into the atomizing bottle 60 through the gas source, the compressed air in the atomizing bottle 60 can scatter the cleaning agent in the atomizing bottle 60 into small particles, so that the atomized cleaning agent is formed, then the atomized cleaning agent can enter into the conduit 70, then the atomized cleaning agent can enter into the two second connecting pipes 74 through the second branch pipe 72, then the atomized cleaning agent can enter into the two blowing atomizing nozzles 40, then the atomized cleaning agent can be sprayed to the two surfaces 102 of the die lip 101 through the two blowing atomizing nozzles 40, after reaching the predetermined time, the second switch valve 76 is closed, so that the atomized cleaning agent sprayed to the two surfaces 102 of the die lip 101 through the two blowing atomizing nozzles 40 is stopped.

[0060] Further, as shown in Figures 3 to 5 、 Figure 7 、 Figure 8 and Figure 10 , the die lip surface cleaning device further comprises two drop detection mechanisms 50, the two drop detection mechanisms 50 are oppositely arranged and respectively arranged at the top end of the air knife 31 of the two blowing mechanisms 30, the length of the drop detection mechanism 50 is matched with the length of the die lip 101. The two drop detection mechanisms 50 are respectively used for detecting whether there is drop on the two surfaces 102 of the die lip 101. The drop detection mechanism 50 is used for electrically connecting with the control system.

[0061] Specifically, the drop detection mechanism 50 comprises a detection seat 51 and a detection camera (not shown in the figure), the detection seat 51 of the two drop detection mechanisms 50 is arranged at the top end of the air knife 31 of the two air blowing mechanisms 30 respectively, one side of the detection seat 51 of the two drop detection mechanisms 50 is flush with the inner side of the two sliding cover plates 13 respectively, and the detection camera is arranged on one side of the detection seat 51. The detection camera is electrically connected with the control system. The detection camera of the two drop detection mechanisms 50 is used for shooting the two surfaces 102 of the die lip 101 respectively, and whether the two surfaces 102 of the die lip 101 have drops can be obtained by analyzing the pictures uploaded to the control system, so that the detection is realized.

[0062] In actual application, after the air knife 31 of the two air blowing mechanisms 30 blows air to the two surfaces 102 of the die lip 101, the detection camera of the two drop detection mechanisms 50 shoots the two surfaces 102 of the die lip 101 respectively in the process of driving the die 100 to move upwards by the lifting driving device of the slot coating equipment, so as to detect whether the two surfaces 102 of the die lip 101 have drops, and if the two surfaces 102 of the die lip 101 have drops, the control system sends an alarm to remind the operator, so as to facilitate the operator to perform corresponding operation.

[0063] In the embodiment, one side of the detection seat 51 is provided with a detection groove 511, the length direction of the detection groove 511 is the same as the length direction of the detection seat 51, the detection camera is arranged in the detection groove 511, and the detection camera is, for example, a strip-shaped CCD camera. The length of the detection seat 51 is matched with the length of the die lip 101, and the length of the detection camera is slightly smaller than the length of the die lip 101.

[0064] The above is a specific description of the preferred embodiment of the utility model, but the utility model is not limited to the above-mentioned embodiment, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. A die lip surface cleaning device comprising a cleaning mechanism, the cleaning mechanism comprising a cleaning tank body, the cleaning tank body having an immersion tank body disposed therein, the immersion tank body having an immersion tank disposed therein, the die lip surface cleaning device characterized by, The cleaning mechanism further comprises two sliding cover plates and two cover plate driving mechanisms, the two sliding cover plates are oppositely arranged and are respectively slidably arranged at the top end of the cleaning tank body, the soaking tank is located below the two sliding cover plates, and the two cover plate driving mechanisms are respectively used for driving the two sliding cover plates to move towards the direction of approaching or moving away from the soaking tank; the die lip surface cleaning device further comprises two scraper atomization mechanisms and two air blowing mechanisms, the two scraper atomization mechanisms are oppositely arranged and correspond to the two sliding cover plates respectively, the scraper atomization mechanism comprises a scraper atomization assembly and a scraper driving assembly, the scraper atomization assembly corresponds to the soaking tank, one side of the scraper atomization assembly is hinged to the inner side of the corresponding sliding cover plate, and the other side of the scraper atomization assembly is arranged to be inclined upward towards the direction of approaching the soaking tank, the scraper driving assembly is arranged on the inner side of the corresponding sliding cover plate and is used for driving the scraper atomization assembly to rotate, and the two air blowing mechanisms are oppositely arranged and are respectively arranged at the top end of the two sliding cover plates, the two air blowing mechanisms correspond to the two scraper atomization assemblies respectively, and the lengths of the scraper atomization assemblies and the air blowing mechanisms are greater than the length of the die lip.

2. The die lip surface cleaning device of claim 1, wherein, The scraper atomization assembly comprises a scraper, a pressing plate and a scraper atomization nozzle, the inner side of the sliding cover plate is formed with a protruding portion, one side of the scraper atomization nozzle is hinged to the protruding portion of the corresponding sliding cover plate, the other side of the scraper atomization nozzle is arranged to be inclined upward towards the direction of approaching the soaking tank, the scraper is arranged at the top end of the scraper atomization nozzle, one side of the scraper is flush with one side of the scraper atomization nozzle, the other side of the scraper protrudes from the other side of the scraper atomization nozzle, the pressing plate is arranged at the top end of the scraper, one side of the pressing plate is flush with one side of the scraper atomization nozzle, and the other side of the pressing plate is flush with the other side of the scraper atomization nozzle, and the lengths of the scraper, the pressing plate and the scraper atomization nozzle are greater than the length of the die lip.

3. The die lip surface cleaning device of claim 2, wherein, The scraper driving assembly comprises a scraper driving member and a driving rod, the inner side of the sliding cover plate is provided with a mounting groove, the mounting groove is located at one side of the protruding portion and extends to one end of the sliding cover plate, the scraper driving member is arranged on the bottom of the mounting groove of the corresponding sliding cover plate, the driving rod is rotatably arranged on the bottom of the mounting groove of the corresponding sliding cover plate, one end of the driving rod is connected with the output end of the scraper driving member, the other end of the driving rod is sleeved with a disc, one end of a connecting rod away from the disc is connected with one end of the pressing plate, and the axis of the connecting rod is located above the center of the disc.

4. The die lip surface cleaning device of claim 2, wherein, The air blowing mechanism comprises an air knife, the air knives of the two air blowing mechanisms are oppositely arranged and are respectively arranged at the top end of the two sliding cover plates, the air knives of the two air blowing mechanisms correspond to the two scraper atomization assemblies respectively, and the length of the air knife is greater than the length of the die lip.

5. The die lip surface cleaning device of claim 4, wherein, The top end of each sliding cover plate is provided with two air blowing atomizing nozzles arranged oppositely, the two air blowing atomizing nozzles correspond to two scraper atomizing assemblies respectively, the air knives of the two air blowing mechanisms are arranged at the top end of the two air blowing atomizing nozzles respectively, and the length of the air blowing atomizing nozzle is greater than the length of the die lip.

6. The die lip surface cleaning device of claim 5, wherein, The die lip surface cleaning device further comprises an atomizing bottle and a conduit, one end of the conduit is connected with the atomizing bottle, the other end of the conduit is connected with a first branch pipe and a second branch pipe, the first branch pipe is connected with two first connecting pipes, the two first connecting pipes are connected with the scraper atomizing nozzles of the two scraper atomizing mechanisms respectively, the second branch pipe is connected with two second connecting pipes, and the two second connecting pipes are connected with the two air blowing atomizing nozzles respectively.

7. The die lip surface cleaning device of claim 6, wherein, The first branch pipe is provided with a first on-off valve, and the second branch pipe is provided with a second on-off valve.

8. The die lip surface cleaning device of claim 1, wherein, The cover plate driving mechanism comprises a cover plate driving member, a lead screw and a nut, both sides of the cleaning tank body are respectively provided with two through grooves, the two through grooves are located below the two sliding cover plates respectively, the lead screws of the two cover plate driving mechanisms are located in the two through grooves respectively, one end of the lead screw is rotatably connected with the bottom of the corresponding through groove, the other end of the lead screw is connected with the output end of the cover plate driving member, the nut is threadedly connected with the lead screw, the top end of the nut is provided with a connecting block, the top end of the connecting block extends out of the corresponding through groove and is connected with the bottom end of the corresponding sliding cover plate.

9. The die lip surface cleaning device of claim 1, wherein, The die lip surface cleaning device further comprises two drop detection mechanisms, the two drop detection mechanisms are arranged oppositely and are arranged at the top end of the two air blowing mechanisms respectively, and the length of the drop detection mechanism is matched with the length of the die lip.

10. The die lip surface cleaning device of claim 9, wherein, The drop detection mechanism comprises a detection seat and a detection camera, the detection seats of the two drop detection mechanisms are arranged at the top end of the two air blowing mechanisms respectively, one side of the detection seat of each drop detection mechanism is flush with the inner side of the corresponding sliding cover plate, and the detection camera is arranged on one side of the detection seat.

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