CN115780192B - PET composite copper foil is with base film coating equipment - Google Patents
PET composite copper foil is with base film coating equipment Download PDFInfo
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- CN115780192B CN115780192B CN202310089779.8A CN202310089779A CN115780192B CN 115780192 B CN115780192 B CN 115780192B CN 202310089779 A CN202310089779 A CN 202310089779A CN 115780192 B CN115780192 B CN 115780192B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to the technical field of coating equipment, and discloses base film coating equipment for a PET (polyethylene terephthalate) composite copper foil, which comprises a rack, a base film roll, a static electricity removing box, a coating assembly, a coating roller, an extrusion roller, a processing assembly and a film collecting roll, wherein the static electricity removing box, the coating assembly, the coating roller, the extrusion roller and the processing assembly are all arranged in the rack, the base film roll is arranged at one end of the rack, the film collecting roll is arranged at the other end of the rack, the base film on the base film roll is drawn to pass through the static electricity removing box, and the base film penetrates out of the static electricity removing box and is transferred to the coating assembly. According to the invention, the material injection end divides the feeding of each connecting pipe through the material distribution pipe, the discharging amount and the discharging time of the outer discharging hole and the inner discharging hole are consistent, the coating liquid amount and the coating position on two sides of the film surface are synchronous, the scraper is provided with the pressure sensor, the pressure sensor is used for measuring the coating liquid scraped from the scraper at regular time, and the regulation and control feedback of the coating liquid amount can be realized by measuring and controlling the coating liquid spraying amount.
Description
Technical Field
The invention relates to the field of coating equipment, in particular to base film coating equipment for a PET (polyethylene terephthalate) composite copper foil.
Background
The PET base film has the characteristics of large crystallinity, small polarity, smooth surface and the like of a film body, so that the adhesion force between a coating and the base film can be influenced, and most of high polymer materials are non-conductive insulators, so that direct electroplating cannot be performed, and the high polymer materials need to be subjected to surface treatment, activation and the like firstly, so that a layer of conductive metal film is deposited on the surface of the high polymer materials.
Firstly, an ultrathin copper foil with the thickness of about 50nm is plated on a PET base film through a vacuum magnetron sputtering coating process, and then a copper layer is thickened in a water electroplating mode until the thickness of the copper layer reaches about 1 mu m.
The main process difficulty of the magnetron sputtering link is that the base film is thin, wrinkling and deformation are easy to occur during winding and unwinding, and the temperature is increased in the film plating process and heat dissipation is needed.
Therefore, the tensile strength and the heat resistance of the base film need to be improved by coating the coating liquid on the base film, the coating amount is difficult to control during coating of the existing base film, if the coating is too thick, a large amount of coating liquid is pushed onto the film surface during subsequent scraping, and if the coating is too thin, the film thickness of partial base film is different, pits appear during coating of the base film, and the film surface is not flat.
Disclosure of Invention
The invention provides a base film coating device for a PET (polyethylene terephthalate) composite copper foil, which solves the technical problem that the coating amount of a coating liquid is difficult to control in the related technology.
The utility model provides a PET composite copper foil is with base film coating equipment, including the frame, the base film book, destatic case, the coating subassembly, the coating roll, the squeeze roll, processing unit and receipts membrane book, destatic case, the coating subassembly, the coating roll, the squeeze roll, processing unit all locate in the frame, and the base film book is installed in one end of frame, receive the membrane book and locate the other end of frame, the base film book is gone up the base film and is drawn to destatic case's input side, the base film is worn out and is transmitted to the coating subassembly in destatic case, the coating subassembly evenly coats the processing to the base film surface, the coating roll, the squeeze roll locate the inboard of frame, and pass through between coating roll and the squeeze roll after the base film coating, its surface is dried and detected through the processing unit, the base film is rolled up through receiving the membrane book after processing;
the coating component comprises a support, a coating part, a material injection part, a scraping plate part and a pushing frame, the coating part is arranged on the inner side of the end part of the support, the material injection part is arranged on the outer wall of the coating part, the scraping plate part is clamped at the joint of the coating part and the material injection part, the end part of the scraping plate part is connected to the outer side of the bottom end of the coating roller in an abutting mode, the pushing frame is arranged on the outer wall of the material injection part, and the pushing frame can move in the length direction perpendicular to the support to enable the connecting distance between the coating part and the material injection part to be changed and extrude redundant coating liquid on the coating roller;
the coating piece includes the coating seat, go out the discharge opening, interior discharge opening, go out membranous groove and distributing pipe, go out the middle part that the membranous groove located the coating seat, the cell wall in-connection that the base film passes through out the membranous groove is to the coating roller, go out the discharge opening and locate out the both sides of membranous groove with interior discharge opening branch, go out the hole of discharge opening and interior discharge opening to and go out the groove of membranous groove to be 45-60 contained angles between to setting up, distributing pipe intercommunication goes out the discharge opening and interior discharge opening, and the tip of distributing pipe extends has the connecting pipe, one side of material piece is annotated to the connecting pipe orientation.
Further: the material injection part comprises a combination seat and a control measuring head, the vertical section of the combination seat is L-shaped, the control measuring head is arranged on the inner wall of one side of the combination seat close to the coating part, and the end part of the control measuring head extends out of the outer wall of the combination seat.
Further: the control measuring head comprises a base body, an inserting rod, a sliding piece and an outer sleeve, wherein the inserting rod is vertically inserted into the outer wall of the base body, the outer sleeve is sleeved on the outer wall of the inserting rod, the sliding piece is sleeved on the outer wall of the inserting rod, and the top end of the sliding piece is abutted against and connected to the inner wall of the outer sleeve.
Further, the method comprises the following steps: the slider includes gleitbretter and supporting spring, and four side outer walls of inserted bar all are equipped with out the liquid groove, and the gleitbretter removes along the pole length direction of inserted bar, and the inboard of gleitbretter is equipped with the bellying, and bellying sliding connection is in the cell wall of liquid groove, and the supporting spring cover is located on the outer wall of inserted bar, and supporting spring's both ends are supported respectively to lean on the outer wall of connecting at pedestal and gleitbretter on.
Further: the connecting pipe is a double-layer concentric pipe body structure, a through hole is formed between the inner side walls of double layers of pipelines of the connecting pipe, the inner diameter of the outer layer of the connecting pipe is matched with the outer diameter of the outer sleeve, the inner diameter of the inner layer of the connecting pipe is matched with the outer diameter of the inserted rod, and the end part of the inner layer pipeline of the connecting pipe is abutted to the outer wall of the sliding piece.
Further: the scraper component is of a Z-shaped structure and comprises a connecting plate and a scraper, the scraper is arranged at the tail end of the connecting plate, the inner side of the connecting plate is provided with a through groove, and an internal rotating roller is arranged on the inner side of the through groove.
Further: the processing assembly comprises a dryer, a film surface humidity sensor and a roller set, the roller set is arranged between the coating roller and the film collecting roll, the dryer is arranged on two sides of the roller set close to one side of the coating roller, the operation end of the dryer is aligned to the outer wall of the base film between the roller sets, the film surface humidity sensor is arranged on two sides of the roller set on one side of the film collecting roll, and the detection end of the film surface humidity sensor is aligned to the outer wall of the base film between the roller sets.
Further, the method comprises the following steps: and the two ends of the extrusion roller are both provided with extrusion cylinders, and the expansion direction of the extrusion cylinders is towards one side of the coating roller.
Further, the method comprises the following steps: tensioning frames are arranged at two ends of one roller body of the roller group, which is close to the film collecting roll, the tensioning frames can drive the roller body in the roller group to move along the length direction of the tensioning frames, and the tensioning frames are tensioned to abut against a base film connected between the roller body and the film collecting roll.
Further, the method comprises the following steps: the inner wall interlude of support has the pivot, and the both ends of pivot are connected with the frame, and install adjusting cylinder between the inside wall of the top of support and frame.
Further: the outer wall cover of pivot is equipped with the switching roller.
The invention has the beneficial effects that:
the material injection end divides the material to the feeding of every connecting pipe through the cloth pipe in this coating equipment, the load and the ejection of compact opportunity at outer discharge opening and interior discharge opening are unanimous, the coating liquid volume and the coating position of having guaranteed face both sides are synchronous, improve the coating effect of two side face, be equipped with pressure sensor on the scraper, pressure sensor is used for scraping the coating liquid survey of getting regularly on the scraper, through the coating liquid volume after the survey, the volume of regulation and control coating liquid spraying, the realization is to the regulation and control feedback of coating process, the dynamic control of coating volume has been realized.
Drawings
FIG. 1 is a schematic structural view of a base film coating apparatus for a PET composite copper foil according to the present invention;
FIG. 2 is a front view of a base film coating operation of a base film coating apparatus for a PET composite copper foil according to the present invention;
FIG. 3 is a schematic structural view of a coating assembly of a base film coating apparatus for a PET composite copper foil according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;
FIG. 5 is a schematic view of the coating and injection member combination of FIG. 3;
FIG. 6 is a schematic view of the scraper member of FIG. 3;
FIG. 7 is a schematic view of the control head structure of FIG. 5.
In the figure: 100. rolling the base film; 200. a corona assembly; 300. a coating assembly; 310. a support; 320. a rotating shaft; 330. an adjusting cylinder; 340. coating a piece; 341. a material outlet hole; 342. an inner discharge hole; 343. a film outlet groove; 344. a distributing pipe; 345. a coating seat; 346. a connecting pipe; 350. injecting a material part; 351. a coupling seat; 352. a measuring head is controlled; 352a, a seat body; 352b, an insert rod; 352c, a liquid outlet groove; 352d, a slip sheet; 352e, a support spring; 352f, an outer sleeve; 352g, a leak hole; 360. a wiper blade member; 361. a connecting plate; 362. an internal rotating roller; 363. a scraper; 370. a transfer roller; 380. a propulsion frame; 390. adjusting the bolt; 400. a squeeze roll; 500. a processing component; 510. a dryer; 520. a membrane surface humidity sensor; 530. an extrusion cylinder; 540. a roller set; 550. a tension frame; 560. a coating roll; 600. rolling the film; 700. a control cabinet; 800. static-removing box.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that such embodiments are discussed merely to enable others skilled in the art to better understand and thereby implement the subject matter described herein, and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as needed. In addition, features described with respect to some examples may also be combined in other examples.
Example one
Referring to fig. 1-7, a base film coating apparatus for PET composite copper foil includes a frame, a base film roll 100, a static electricity removing box 800, a coating assembly 300, a coating roller 560, a squeezing roller 400, a processing assembly 500 and a film collecting roll 600, wherein the static electricity removing box 800, the coating assembly 300, the coating roller 560, the squeezing roller 400 and the processing assembly 500 are all arranged in the frame, the base film roll 100 is installed at one end of the frame, the film collecting roll 600 is arranged at the other end of the frame, the base film on the base film roll 100 is drawn to the input side of the static electricity removing box 800, the base film passes through the static electricity removing box 800 and is transferred to the coating assembly 300, the coating assembly 300 uniformly coats the surface of the base film, the coating roller 560 and the squeezing roller 400 are arranged at the inner side of the frame, the base film passes between the coating roller 560 and the squeezing roller 400 after being coated, the surface is dried and detected by the processing assembly 500, and the base film is wound up by the film collecting roll 600 after being treated;
the control cabinet 700 is arranged on one side of the rack, the control panel 700 is provided with a control panel, the control panel is provided with a control key group, the control key group is electrically connected with the corresponding electric element, and the control cabinet 700 is used for controlling the coating process of the base film coating equipment and monitoring the operation condition of the electric element.
The corona assembly 200 is arranged at the film outlet end of the base film roll 100, the external surface tension of the base film is more than 40mN/m when the base film is not subjected to surface treatment, but the surface treatment is often required for the purpose of adding adhesion fastness for the binding force between the subsequent magnetron sputtering coating and the external surface of the base film, and the corona assembly 200 on the surface of the film body is the prior art and is used for improving the binding force on the surface of the base film and improving the subsequent coating and film coating operation effects.
The coating assembly 300 comprises a support 310, a coating piece 340, a material injection piece 350, a scraper piece 360 and a pushing frame 380, wherein the coating piece 340 is arranged on the inner side of the end part of the support 310, the material injection piece 350 is arranged on the outer wall of the coating piece 340, the scraper piece 360 is clamped at the joint of the coating piece 340 and the material injection piece 350, the end part of the scraper piece 360 is abutted against and connected onto the outer side of the bottom end of a coating roller 560, the pushing frame 380 is arranged on the outer wall of the material injection piece 350, and the pushing frame 380 can move in the length direction vertical to the support 310 to change the connecting distance between the coating piece 340 and the material injection piece 350 and extrude the redundant coating liquid on the coating roller 560;
an adjusting bolt 390 is arranged on the outer wall of the pushing frame 380, the tail end of the adjusting bolt 390 is connected with the outer wall of the bracket 310 through threads, and the adjusting bolt 390 can adjust the pushing distance of the pushing frame 380 on the bracket 310, namely the combination distance between the coating piece 340 and the material injection piece 350;
the coating piece 340 comprises a coating seat 345, an outer discharging hole 341, an inner discharging hole 342, a film outlet groove 343 and a distributing pipe 344, the film outlet groove 343 is arranged in the middle of the coating seat 345, the base film is connected to the coating roller 560 through the inner wall of the film outlet groove 343, the outer discharging hole 341 and the inner discharging hole 342 are respectively arranged on two sides of the film outlet groove 343, the hole directions of the outer discharging hole 341 and the inner discharging hole 342 and the groove direction of the film outlet groove 343 form an included angle of 45-60 degrees, the distributing pipe 344 is communicated with the outer discharging hole 341 and the inner discharging hole 342, the end part of the distributing pipe 344 extends to form a connecting pipe 346, and the connecting pipe 346 faces one side of the material injection piece 350.
Annotate material part 350 and include combination seat 351 and accuse volume head 352, the vertical cross-section of combination seat 351 is the L type, and accuse volume head 352 is located combination seat 351 on being close to the one side inner wall of coating member 340, and the tip of accuse volume head 352 extends out on the outer wall of combination seat 351.
The measuring head 352 comprises a base 352a, an insertion rod 352b, a sliding member and an outer sleeve 352f, wherein the insertion rod 352b is vertically inserted into the outer wall of the base 352a, the outer sleeve 352f is sleeved on the outer wall of the insertion rod 352b, the sliding member is sleeved on the outer wall of the insertion rod 352b, and the top end of the sliding member abuts against and is connected to the inner wall of the outer sleeve 352 f.
It should be added that the insert rod 352b is a hollow structure, the rod end of the insert rod 352b is connected to the feeding end, and the feeding end of each insert rod 352b is independently controlled or centrally controlled, so that the feeding of the material injection member 350 is synchronized at each port;
the sliding piece comprises a sliding piece 352d and a supporting spring 352e, liquid outlet grooves 352c are formed in the outer walls of the four sides of the inserting rod 352b, the sliding piece 352d moves along the rod length direction of the inserting rod 352b, a protruding portion is arranged on the inner side of the sliding piece 352d and is connected in the groove wall of the liquid outlet groove 352c in a sliding mode, the supporting spring 352e is sleeved on the outer wall of the inserting rod 352b, and the two ends of the supporting spring 352e are connected to the outer walls of the seat body 352a and the sliding piece 352d in an abutting mode respectively.
The connecting pipe 346 is a double-layer concentric pipe structure, a through hole is formed between the inner side walls of the double-layer pipes of the connecting pipe 346, the inner diameter of the outer layer of the connecting pipe 346 is matched with the outer diameter of the outer sleeve 352f, the inner diameter of the inner layer of the connecting pipe 346 is matched with the outer diameter of the inserted rod 352b, and the end part of the inner layer of the connecting pipe 346 abuts against and is connected to the outer wall of the sliding sheet 352 d.
The scraper piece 360 is of a Z-shaped structure, the scraper piece 360 comprises a connecting plate 361 and a scraper 363, the scraper 363 is arranged at the tail end of the connecting plate 361, a through groove is formed in the inner side of the connecting plate 361, and an internal rotating roller 362 is arranged on the inner side of the through groove.
The scraper 363 is provided with a pressure sensor, the pressure sensor is used for measuring the coating liquid scraped by the scraper 363 at regular time, and the spraying amount of the coating liquid can be regulated and controlled through the measured coating liquid, so that the regulation and control feedback of the coating liquid amount is realized.
The processing assembly 500 comprises a dryer 510, a film surface humidity sensor 520 and a roller set 540, wherein the roller set 540 is arranged between a coating roller 560 and a film collecting roller 600, the dryer 510 is arranged at two sides of the roller set 540 close to one side of the coating roller 560, the working end of the dryer 510 is aligned to the outer wall of the base film between the roller sets 540, the film surface humidity sensor 520 is arranged at two sides of the roller set 540 at one side of the film collecting roller 600, and the detection end of the film surface humidity sensor 520 is aligned to the outer wall of the base film between the roller sets 540.
The membrane surface humidity sensor 520 is a capacitive film humidity sensor for detecting the humidity index after coating the coating solution on the membrane surface and drying.
The two ends of the extrusion roller 400 are respectively provided with the extrusion cylinder 530, the expansion direction of the extrusion cylinder 530 faces to the coating roller 560 side, the extrusion cylinder 530 drives the extrusion roller 400 to move towards the roller body of the coating roller 560, and the roller surface distance between the coating roller 560 and the extrusion roller 400 is reduced, so that redundant coating liquid is extruded.
As shown in fig. 2, the tensioning frames 550 are installed at two ends of one of the roller sets 540 close to the roller body of the film collecting roll 600, the tensioning frames 550 can drive the roller body in the roller set 540 to move along the length direction of the tensioning frames 550, and the tensioning frame abuts against the base film connected between the roller body and the film collecting roll 600, the tensioning frames 550 comprise tensioning cylinders and tensioning rods, the tensioning rods are of T-shaped structures, one ends of the piston rods of the tensioning cylinders are connected to the rod sides of the tensioning rods through shafts, and the rod ends of the tensioning rods are provided with the roller bodies for transferring the base film.
The inner wall of the bracket 310 is inserted with a rotating shaft 320, two ends of the rotating shaft 320 are connected with the frame, an adjusting cylinder 330 is installed between the top end of the bracket 310 and the inner side wall of the frame, and the outer wall of the rotating shaft 320 is sleeved with a transfer roller 370.
When the base film coating equipment is used for producing the base film in the PET composite copper foil, coating liquid is coated on both sides of the film surface of the base film for better coating operation of subsequent magnetron sputtering, so that the tensile strength and the heat resistance of the base film are improved, and the operation flow of the base film coating equipment is as follows:
as shown in fig. 2, after the base film roll 100 is unwound, corona treatment is performed on both surfaces of the film surface by the corona module 200 to improve the subsequent coating adhesion effect of the film surface, and then the base film enters the static electricity removing box 800, the static electricity removing box 800 removes the residual static electricity on the film surface to prevent the static electricity from affecting the transport smoothness of the film body, and then the residual static electricity is transmitted to the coating roller 560 by a part of roller body in the roller set 540, when the base film enters the coating roller 560, the base film firstly passes through the coating module 300, the base film passes through the inner rotating roller 362 inside the connecting plate 361 and enters the film outlet groove 343, the film surface passing through the film outlet groove 343 is continuously covered by the outer material outlet holes 341 and the inner material outlet holes 342 on both sides, the coating liquid is uniformly coated on the film surfaces on both sides, then the excess coating liquid passes through between the coating roller 560 and the extrusion roller 400, the excess coating liquid extruded from the coating holes is divided into the inner side part and the outer part located inside, the scraper 363 abuts against the outer side of the extrusion roller 560 to scrape the coating liquid on the outer side of the extrusion roller 400, wherein the extrusion roller 400 is provided with a protrusion strip for fixing the extrusion roller 400, and the extrusion roller surface of the extrusion roller, and the extrusion roller 400 is provided with the extrusion roller for taking excess coating liquid;
the coating assembly 300 is adjustable, and drives the support 310 to rotate around the rotating shaft 320 through the adjusting cylinder 330 at the bottom, so as to drive the coating piece 340 and the material injection piece 350 at the end part of the support 310 to rotate, so as to adjust the angle of the base film passing through the coating piece 340, correct the contact angle between the coating liquid sprayed out of the material outlet 341 and the material outlet 342 and the film surface to be consistent, meanwhile, the coated film surface passes through the coating roller 560, and is mutually extruded through the coating roller 560 and the extrusion roller 400, the extrusion roller 400 is ejected to one side of the coating roller 560 through the extrusion cylinder 530, and retracts into the roller surface space between the two roller bodies, wherein the coating roller 560 is abutted against and contacted with the roller bodies as shown in fig. 2, the redundant coating liquid extruded on the coating roller 560 is scraped and removed by the scraper 363 through the roller bodies, the pressure sensor on the coating roller is used for measuring the coating liquid scraped at regular time on the scraper 363, the amount of the coating liquid sprayed through the measured coating liquid is used for realizing the control feedback control of the coating process, the control is that the amount of the coating liquid scraped through the scraper 363, then the distance of the pushing frame 380 is adjusted, the material injection piece 350 and the binding degree of the coating piece 340 is different;
the adjusting bolt 390 is screwed in to drive the material injection piece 350 to move towards the coating piece 340, the control volume head 352 at the moment is inserted towards the pipe end of the connecting pipe 346, the sliding sheet 352d in the control volume head 352 is abutted and slides, the supporting spring 352e is simultaneously extruded to expand the notch of the liquid outlet groove 352c, the coating liquid injected from the inserting rod 352b flows out from the liquid outlet groove 352c and flows out through the leakage hole 352g on the outer sleeve 352f to the connecting pipe 346, the feeding of each connecting pipe 346 is divided through the distributing pipe 344, the consistent discharge amount and the consistent discharge time of the outer discharge hole 341 and the inner discharge hole 342 are ensured, the synchronous coating liquid amount and the synchronous coating position on two sides of the film surface are ensured, and the coating effect of the film surfaces on two sides is improved;
after extrusion, coating liquid layers are attached to the surfaces of the two sides of the base film, the film surfaces of the two sides of the base film are dried through a dryer 510, the dried base film is subjected to film surface drying degree detection through a film surface humidity sensor 520, the film surface humidity reaches the standard, finally the dried base film penetrates out through a roller body at the tail end of a roller set 540 and is wound to a film winding roll 600, and the subsequent production and use of the PET composite copper foil are facilitated.
Although the embodiment of the present invention has been described above, the present embodiment is not limited to the above specific embodiments, and the above specific embodiments are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit of the present embodiment.
Claims (6)
1. A PET composite copper foil base film coating device comprises a rack, a base film roll (100), a static electricity removing box (800), a coating assembly (300), a coating roller (560), a squeezing roller (400), a processing assembly (500) and a film collecting roll (600), and is characterized in that the static electricity removing box (800), the coating assembly (300), the coating roller (560), the squeezing roller (400) and the processing assembly (500) are all arranged in the rack, the base film roll (100) is installed at one end of the rack, the film collecting roll (600) is arranged at the other end of the rack, the base film on the base film roll (100) is drawn to the input side of the static electricity removing box (800), the base film penetrates out of the static electricity removing box (800) and is transmitted into the coating assembly (300), the coating assembly (300) uniformly coats the surface of the base film, the coating roller (560) and the squeezing roller (400) are arranged on the inner side of the rack, the base film passes between the coating roller (560) and the squeezing roller (400) after being coated, the base film passes through the coating roller (600), and is dried and detected through the processing assembly (500), and then is wound;
the coating assembly (300) comprises a support (310), a coating piece (340), a material injection piece (350), a scraping piece (360) and a pushing frame (380), wherein the coating piece (340) is arranged on the inner side of the end part of the support (310), the material injection piece (350) is installed on the outer wall of the coating piece (340), the scraping piece (360) is clamped at the joint of the coating piece (340) and the material injection piece (350), the end part of the scraping piece (360) is connected to the outer side of the bottom end of a coating roller (560) in an abutting mode, the pushing frame (380) is installed on the outer wall of the material injection piece (350), and the pushing frame (380) can move in the length direction perpendicular to the support (310) to enable the connecting distance between the coating piece (340) and the material injection piece (350) to be changed and extrude redundant coating liquid on the coating roller (560);
the coating piece (340) comprises a coating seat (345), an outer discharging hole (341), an inner discharging hole (342), a film outlet groove (343) and a distributing pipe (344), the film outlet groove (343) is arranged in the middle of the coating seat (345), the base film is connected to the coating roller (560) through the inner wall of the film outlet groove (343), the outer discharging hole (341) and the inner discharging hole (342) are respectively arranged at two sides of the film outlet groove (343), the hole directions of the outer discharging hole (341) and the inner discharging hole (342) and the groove direction of the film outlet groove (343) form an included angle of 45-60 degrees, the distributing pipe (344) is communicated with the outer discharging hole (341) and the inner discharging hole (342), a connecting pipe (346) extends from the end of the distributing pipe (344), and the connecting pipe (346) faces one side of the material injection piece (350);
the material injection piece (350) comprises a combination seat (351) and a control measuring head (352), the vertical section of the combination seat (351) is L-shaped, the control measuring head (352) is arranged on the inner wall of one side, close to the coating piece (340), of the combination seat (351), the end part of the control measuring head (352) extends out of the outer wall of the combination seat (351), the control measuring head (352) comprises a seat body (352 a), an inserted link (352 b), a sliding piece and an outer sleeve (352 f), the inserted link (352 b) is vertically inserted into the outer wall of the seat body (352 a), the outer sleeve (352 f) is sleeved on the outer wall of the inserted link (352 b), the sliding piece is sleeved on the outer wall of the inserted link (352 b), the top end of the sliding piece is connected to the inner wall of the outer sleeve (352 f) in an abutting mode, the sliding part comprises a sliding sheet (352 d) and a supporting spring (352 e), liquid outlet grooves (352 c) are formed in the outer walls of the four sides of the inserting rod (352 b), the sliding sheet (352 d) moves along the rod length direction of the inserting rod (352 b), a protruding portion is arranged on the inner side of the sliding sheet (352 d) and connected into the groove wall of the liquid outlet grooves (352 c) in a sliding mode, the supporting spring (352 e) is sleeved on the outer wall of the inserting rod (352 b), the two ends of the supporting spring (352 e) are connected to the outer walls of the seat body (352 a) and the sliding sheet (352 d) in an abutting mode respectively, the connecting pipe (346) is of a double-layer concentric pipe body structure, a through hole is formed between the inner side walls of double layers of the connecting pipe (346), the inner diameter of the outer layer of the connecting pipe (346) is matched with the outer diameter of the outer sleeve (352 f), the inner diameter of the inner layer of the connecting pipe (346) is matched with the outer diameter of the inserted rod (352 b), and the end part of the inner layer pipeline of the connecting pipe (346) is connected on the outer wall of the sliding sheet (352 d) in an abutting mode.
2. The coating apparatus of a base film for a PET composite copper foil according to claim 1, wherein the blade member (360) has a Z-shaped structure, and the blade member (360) includes a connection plate (361) and a scraper (363), the scraper (363) is provided at an end of the connection plate (361), a through groove is formed at an inner side of the connection plate (361), and an inner rotating roller (362) is provided at an inner side of the through groove.
3. The base film coating equipment for the PET composite copper foil according to claim 1, wherein the processing module (500) comprises a dryer (510), a film surface humidity sensor (520) and a roller set (540), the roller set (540) is arranged between the coating roller (560) and the film collecting roller (600), the dryer (510) is arranged at two sides of the roller set (540) close to one side of the coating roller (560), the working end of the dryer (510) is opposite to the outer wall of the base film between the roller set (540), the film surface humidity sensor (520) is arranged at two sides of the roller set (540) at one side of the film collecting roller (600), and the detection end of the film surface humidity sensor (520) is opposite to the outer wall of the base film between the roller set (540).
4. The base film coating apparatus for PET composite copper foil according to claim 3, wherein one of the roller sets (540) is provided with a tension frame (550) near both ends of the roller body of the take-up roll (600), and the tension frame (550) can drive the roller body of the roller set (540) to move along the length direction of the tension frame (550) and tension the base film connected between the roller body and the take-up roll (600).
5. The apparatus for coating a base film for a PET composite copper foil according to claim 1, wherein the squeeze cylinders (530) are installed at both ends of the squeeze roller (400), and the stretching direction of the squeeze cylinders (530) is toward the coating roller (560).
6. The apparatus for coating a base film for a PET composite copper foil according to claim 1, wherein a rotating shaft (320) is inserted into an inner wall of the support (310), both ends of the rotating shaft (320) are connected to the frame, and an adjusting cylinder (330) is installed between a top end of the support (310) and an inner sidewall of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111495656A (en) * | 2020-03-24 | 2020-08-07 | 安徽奥邦科技有限公司 | Coating rolling device for battery production |
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| CN217856859U (en) * | 2022-07-15 | 2022-11-22 | 安徽省银瑞电池科技有限公司 | Battery sheet coating unit |
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