CN114639920B - New energy automobile lithium battery diaphragm manufacturing process - Google Patents
New energy automobile lithium battery diaphragm manufacturing process Download PDFInfo
- Publication number
- CN114639920B CN114639920B CN202210538001.6A CN202210538001A CN114639920B CN 114639920 B CN114639920 B CN 114639920B CN 202210538001 A CN202210538001 A CN 202210538001A CN 114639920 B CN114639920 B CN 114639920B
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- new energy
- energy automobile
- battery diaphragm
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/491—Porosity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/497—Ionic conductivity
Abstract
The invention discloses a process for manufacturing a new energy automobile lithium battery diaphragm, which is characterized in that polyether polyol, diphenylmethane diisocyanate, trichloromethane, polyvinyl alcohol, ammonia water, distilled water, ceramic powder and titanium dioxide are added into raw materials of the new energy automobile lithium battery diaphragm, so that the manufactured new energy automobile lithium battery diaphragm has the advantages of high porosity, high ion penetrability, stable electrochemical performance and high temperature resistance, the redundant parts on two sides of a film can be automatically cut off, the film is cut into multiple sections by a second cutting blade, the new energy automobile lithium battery diaphragm can be quickly manufactured, the production efficiency is high, the production process is suitable for batch production, a sucking disc is driven by a lifting cylinder to suck the new energy automobile lithium battery diaphragm, the diaphragm is driven by the lifting cylinder to enter a bracket, and the manufactured new energy automobile lithium battery diaphragm can be automatically discharged and collected, the labor intensity is reduced.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a manufacturing process of a lithium battery diaphragm of a new energy automobile.
Background
In the construction of lithium batteries, the separator is one of the key internal components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit due to contact between the two electrodes, and also has a function of allowing electrolyte ions to pass therethrough. The separator material is non-conductive, and its physical and chemical properties have a great influence on the performance of the battery. The battery is different in kind and the separator used is different. For lithium battery series, because the electrolyte is an organic solvent system, a diaphragm material resistant to an organic solvent is needed, and a polyolefin porous membrane with high strength and thinning is generally adopted; traditional new energy automobile lithium battery diaphragm porosity is low, and ion penetrability is low, and electrochemical performance is unstable, can not resist high temperature, and traditional new energy automobile lithium battery diaphragm's production efficiency is low moreover, can't realize batch production, needs the manual work to carry out the unloading to the new energy automobile lithium battery diaphragm that makes and collects, and intensity of labour is big.
Disclosure of Invention
The invention aims to provide a new energy automobile lithium battery diaphragm manufacturing process, and solves the technical problems that the traditional new energy automobile lithium battery diaphragm is low in porosity, low in ion penetrability, unstable in electrochemical performance and not high-temperature-resistant, the production efficiency of the traditional new energy automobile lithium battery diaphragm is low, batch production cannot be realized, blanking collection of the manufactured new energy automobile lithium battery diaphragm needs to be carried out manually, and the labor intensity is high.
The purpose of the invention can be realized by the following technical scheme:
a new energy automobile lithium battery diaphragm manufacturing process specifically comprises the following steps:
step one, pouring 20-30 parts of polyether polyol, 15-18 parts of polyolefin resin, 4-6 parts of ceramic powder, 1-2 parts of trichloromethane, 2-3 parts of polyvinyl alcohol, 1-2 parts of ammonia water, 0.5-2 parts of titanium dioxide, 1-3 parts of distilled water and 0.5-1 part of silicone oil into a stirrer, stirring at the rotating speed of 600 plus 800r/min for 20-30min, then adding 10-15 parts of diphenylmethane diisocyanate, and stirring at the rotating speed of 500 plus 600r/min for 25-30min to obtain a mixed material;
step two, adding the mixed material into an extruder of diaphragm processing equipment, extruding the slurry through the extruder to obtain a thick film, moving the thick film between a first belt conveyor and a second belt conveyor, starting an extrusion cylinder, driving a moving block to move by the extrusion cylinder, driving the second belt conveyor to descend by a moving block through a push rod, extruding the thick film into a thin film through the first belt conveyor and the second belt conveyor, driving the thin film to move to a supporting base by the first belt conveyor and the second belt conveyor, starting a lifting motor, driving a threaded rod to rotate by the lifting motor, driving a lifting plate to lift, driving two first cutting blades to move in opposite directions or in reverse directions, adjusting the distance between the two first cutting blades, starting a first cutting blade, starting a height adjusting cylinder, driving the two first cutting blades to descend by the height adjusting cylinder, cutting off redundant parts on two sides of the thin film through the two first cutting blades, the transfer roller drives the film and removes two belows of cutting blade, cutting cylinder drives two decline of cutting blade, cutting blade two cuts off the film, obtain new energy automobile lithium battery diaphragm, start moving cylinder, moving cylinder drives the sucking disc and removes new energy automobile lithium battery diaphragm top, new energy automobile lithium battery diaphragm is held to the lift cylinder drive sucking disc, it removes the bracket top to drive new energy automobile lithium battery diaphragm through moving cylinder, the lift cylinder drives in the diaphragm gets into the bracket, new energy automobile lithium battery diaphragm is loosened to the sucking disc, make new energy automobile lithium battery diaphragm pile up in the bracket.
Further, the extrusion temperature of the extruder is 145-210 ℃.
Further, the diaphragm processing equipment comprises an extruder, one side of the extruder is provided with a first installation seat, the bottom of the inner side of the first installation seat is fixedly provided with a first belt conveyor, the upper wall of the inner side of the first installation seat is fixedly provided with a height adjusting assembly, the bottom of the height adjusting assembly is connected with a second belt conveyor, one side of the first installation seat is provided with a second installation seat, the bottom of the inner side of the second installation seat is fixedly provided with a supporting base, the supporting base is rotatably provided with a plurality of conveying rollers, one side of the inner wall of the upper side of the second installation seat, which is close to the first installation seat, is fixedly provided with a height adjusting cylinder, the bottom end of an output rod of the height adjusting cylinder is fixedly provided with a trimming assembly, the inner side of the second installation seat is movably provided with a sliding seat along the vertical direction, and two ends of the sliding seat are respectively in sliding connection with the inner walls of the two sides of the second installation seat, the utility model discloses a cutting device, including mount pad two, output pole top fixed mounting of lift cylinder, the bottom fixed mounting of sliding seat has cutting blade two, the top fixed mounting of mount pad two has the cutting cylinder, the output pole bottom and the sliding seat fixed connection of cutting cylinder, one side of mount pad two is provided with the bracket, one side fixed mounting of bracket has the lift cylinder, the output pole top fixed mounting of lift cylinder has the fixing base, one side fixed mounting of fixing base has the moving cylinder, the output pole tip fixed mounting of moving cylinder has the sucking disc mounting panel, the bottom fixed mounting of sucking disc mounting panel has a plurality of sucking disc.
Further, the height adjusting assembly comprises a fixed plate, the fixed plate is fixedly installed on the inner wall of the upper side of the first installation seat, two hinged rods are hinged to two sides of the fixed plate, one ends, far away from the fixed plate, of the two hinged rods are hinged to one side of the second belt conveyor, an extruding cylinder is fixedly installed on the fixed plate, the end portion of an output rod of the extruding cylinder is fixedly connected with a moving block, the moving block is connected with the fixed plate in a sliding mode, push rods are hinged to two sides of the moving block, and one ends, far away from the moving block, of the two push rods are hinged to two sides of the second belt conveyor respectively.
Further, the side cut subassembly includes the casing, there are two connecting rods in the inboard horizontal direction slidable mounting of casing, the opening has been seted up to the bottom of casing, the bottom of connecting rod passes the opening and extends to the outside of casing, just the bottom fixed mounting of connecting rod has the cutting motor, fixed mounting has cutting blade one on the output shaft of cutting motor.
Further, there is the lifter plate inboard along vertical direction slidable mounting of casing, two inclined holes have been seted up on the lifter plate, all rotate on two connecting rods and install the pulley, the pulley mounting is in the inclined hole that corresponds, the one end fixed mounting of lifter plate has the nut, the inboard of casing is rotated and is installed the threaded rod, threaded rod and nut threaded connection, the top of threaded rod runs through the casing upper wall and extends to the outside of casing, the outside fixed mounting of casing has elevator motor, elevator motor passes through belt pulley, belt and is connected with the threaded rod.
Furthermore, the two inclined holes are symmetrically distributed, and the pulleys are matched with the inner walls of the inclined holes.
Further, the working steps of the diaphragm processing equipment are as follows:
step one, adding mixed materials into an extruder, extruding slurry through the extruder to obtain a thick film, moving the thick film to a position between a first belt conveyor and a second belt conveyor, starting an extrusion cylinder, driving a moving block to move by the extrusion cylinder, driving the second belt conveyor to descend by a moving block through a push rod, extruding the thick film into a thin film through the first belt conveyor and the second belt conveyor, driving the thin film to move to a supporting base by the first belt conveyor and the second belt conveyor, starting a lifting motor, driving a threaded rod to rotate by the lifting motor, driving a lifting plate to lift, driving two first cutting blades to move in opposite directions or in reverse directions, adjusting the distance between the two first cutting blades, starting a cutting motor, driving a first cutting blade to rotate by the cutting motor, starting a height adjusting cylinder, driving the two first cutting blades to descend by the height adjusting cylinder, and cutting off redundant parts on two sides of the thin film through the two first cutting blades, the conveying roller drives the film to move to the position below the second cutting blade, the second cutting blade is driven by the cutting cylinder to descend, and the second cutting blade cuts off the film to obtain a new energy automobile lithium battery diaphragm;
and step two, starting the moving cylinder, driving the sucker to move above the lithium battery diaphragm of the new energy automobile by the moving cylinder, driving the lithium battery diaphragm of the new energy automobile to move above the bracket by the lifting cylinder, driving the diaphragm to enter the bracket by the lifting cylinder, loosening the lithium battery diaphragm of the new energy automobile by the sucker, and stacking the lithium battery diaphragm of the new energy automobile in the bracket.
The invention has the beneficial effects that:
according to the invention, polyether polyol, diphenylmethane diisocyanate, trichloromethane, polyvinyl alcohol, ammonia water, distilled water, ceramic powder and titanium dioxide are added into the raw materials of the new energy automobile lithium battery diaphragm, so that the prepared new energy automobile lithium battery diaphragm has the advantages of high porosity, high ion penetrability, stable electrochemical performance and high temperature resistance;
the invention obtains a thick film by extruding slurry through an extruder by adding mixed materials into the extruder, the thick film moves between a first belt conveyor and a second belt conveyor, an extrusion cylinder is started, the extrusion cylinder drives a moving block to move, a moving block drives the second belt conveyor to descend through a push rod, the thick film is extruded into a thin film through the first belt conveyor and the second belt conveyor, the first belt conveyor and the second belt conveyor drive the thin film to move to a supporting base, a lifting motor is started, the lifting motor drives a threaded rod to rotate and drives a lifting plate to lift and drive the first two cutting blades to move in opposite directions or in opposite directions, the distance between the first two cutting blades is adjusted, a first cutting blade is started, a height adjusting cylinder is started, the first two cutting blades are driven to descend by the height adjusting cylinder, redundant parts on two sides of the thin film are cut through the first two cutting blades, the conveying roller drives the film to move below the second cutting blade, the second cutting blade is driven by the cutting cylinder to descend, and the second cutting blade cuts the film to obtain the new energy automobile lithium battery diaphragm;
according to the invention, the movable cylinder is started, the movable cylinder drives the sucker to move to the position above the lithium battery diaphragm of the new energy automobile, the lifting cylinder drives the sucker to suck the lithium battery diaphragm of the new energy automobile, the movable cylinder drives the lithium battery diaphragm of the new energy automobile to move to the position above the bracket, the lifting cylinder drives the diaphragm to enter the bracket, and the sucker loosens the lithium battery diaphragm of the new energy automobile, so that the lithium battery diaphragm of the new energy automobile is stacked in the bracket.
Drawings
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a diaphragm processing apparatus according to the present invention;
FIG. 2 is an assembly view of the height adjustment assembly and a second belt conveyor of the present invention;
FIG. 3 is an internal structure view of the second mounting base of the present invention;
FIG. 4 is a schematic view of the trim assembly of the present invention.
In the figure: 1. an extruder; 2. a first mounting seat; 3. a first belt conveyor; 4. a height adjustment assembly; 5. a second mounting seat; 6. cutting the air cylinder; 7. a sliding seat; 8. a second cutting blade; 9. a trimming assembly; 10. a bracket; 11. a lifting cylinder; 12. a fixed seat; 13. a moving cylinder; 14. a sucker mounting plate; 15. a suction cup; 16. an extrusion cylinder; 17. a moving block; 18. a push rod; 19. a belt conveyor II; 20. a fixing plate; 21. a hinged lever; 22. a housing; 23. a lifting plate; 24. cutting the motor; 25. a first cutting blade; 26. a threaded rod; 27. a nut; 28. a lifting motor; 29. a support base; 30. a conveying roller; 31. a connecting rod; 32. a pulley; 33. height adjusting cylinder.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-4, a new energy automobile lithium battery diaphragm manufacturing process specifically comprises the following steps:
step one, pouring 22 parts of polyether polyol, 16 parts of polyolefin resin, 4 parts of ceramic powder, 1 part of trichloromethane, 2 parts of polyvinyl alcohol, 1 part of ammonia water, 0.6 part of titanium dioxide, 1 part of distilled water and 0.7 part of silicone oil into a stirrer, stirring at a rotating speed of 650r/min for 23min, then adding 12 parts of diphenylmethane diisocyanate, and stirring at a rotating speed of 530r/min for 26min to obtain a mixed material;
step two, adding the mixed materials into an extruder 1 of the diaphragm processing equipment, extruding slurry through the extruder 1 to obtain a thick film, moving the thick film between a first belt conveyor 3 and a second belt conveyor 19, starting an extruding cylinder 16, driving a moving block 17 to move by the extruding cylinder 16, driving the second belt conveyor 19 to descend by the moving block 17 through a push rod 18, extruding the thick film into a thin film through the first belt conveyor 3 and the second belt conveyor 19, driving the thin film to move to a supporting base 29 by the first belt conveyor 3 and the second belt conveyor 19, starting a lifting motor 28, driving a threaded rod 26 to rotate by the lifting motor 28, driving a lifting plate 23 to lift, driving two first cutting blades 25 to move oppositely or reversely, adjusting the distance between the two first cutting blades 25, starting a cutting motor 24, driving the first cutting blades 25 to rotate by the cutting motor 24, starting a height adjusting cylinder 33, height adjusting cylinder 33 drives two cutting blade 25 and descends, through two cutting blade 25 with the excision of the unnecessary part in film both sides, transfer roller 30 drives the film and removes two 8 below of cutting blade, cutting cylinder 6 drives two 8 decline of cutting blade, two 8 of cutting blade cut off the film, obtain new energy automobile lithium battery diaphragm, start moving cylinder 13, moving cylinder 13 drives sucking disc 15 and removes new energy automobile lithium battery diaphragm top, lifting cylinder 11 drives sucking disc 15 and holds new energy automobile lithium battery diaphragm, it removes bracket 10 top to drive new energy automobile lithium battery diaphragm through moving cylinder 13, lifting cylinder 11 drives the diaphragm and gets into in the bracket 10, sucking disc 15 loosens new energy automobile lithium battery diaphragm, make new energy automobile lithium battery diaphragm pile up in bracket 10.
The extrusion temperature of the extruder 1 was 146 ℃.
Example 2
As shown in fig. 1-4, a new energy automobile lithium battery diaphragm manufacturing process specifically comprises the following steps:
step one, pouring 29 parts of polyether polyol, 17 parts of polyolefin resin, 6 parts of ceramic powder, 2 parts of trichloromethane, 3 parts of polyvinyl alcohol, 2 parts of ammonia water, 2 parts of titanium dioxide, 3 parts of distilled water and 1 part of silicone oil into a stirrer, stirring for 28min at the rotating speed of 750r/min, then adding 14 parts of diphenylmethane diisocyanate, and stirring for 27min at the rotating speed of 590r/min to obtain a mixed material;
step two, the same as example 1.
The extrusion temperature of the extruder 1 was 208 ℃.
The diaphragm processing equipment comprises an extruder 1, wherein one side of the extruder 1 is provided with a first mounting seat 2, the inner bottom of the first mounting seat 2 is fixedly provided with a first belt conveyor 3, the inner upper wall of the first mounting seat 2 is fixedly provided with a height adjusting assembly 4, the bottom of the height adjusting assembly 4 is connected with a second belt conveyor 19, one side of the first mounting seat 2 is provided with a second mounting seat 5, the inner bottom of the second mounting seat 5 is fixedly provided with a supporting base 29, the supporting base 29 is rotatably provided with a plurality of conveying rollers 30, the plurality of conveying rollers 30 are driven by an external motor, the inner wall of the upper side of the second mounting seat 5 is fixedly provided with a height adjusting cylinder 33 close to one side of the first mounting seat 2, the bottom end of an output rod of the height adjusting cylinder 33 is fixedly provided with a trimming assembly 9, and the inner side of the second mounting seat 5 is movably provided with a sliding seat 7 along the vertical direction, the both ends of sliding seat 7 respectively with the both sides inner wall sliding connection of mount pad two 5, the bottom fixed mounting of sliding seat 7 has cutting blade two 8, the top fixed mounting of mount pad two 5 has cutting cylinder 6, the output pole bottom and the sliding seat 7 fixed connection of cutting cylinder 6, one side of mount pad two 5 is provided with bracket 10, one side fixed mounting of bracket 10 has lift cylinder 11, the output pole top fixed mounting of lift cylinder 11 has fixing base 12, one side fixed mounting of fixing base 12 has moving cylinder 13, moving cylinder 13's output pole tip fixed mounting has sucking disc mounting panel 14, the bottom fixed mounting of sucking disc mounting panel 14 has a plurality of sucking disc 15.
The height adjusting assembly 4 comprises a fixing plate 20, the fixing plate 20 is fixedly installed on the inner wall of the upper side of the first mounting seat 2, two hinge rods 21 are hinged to two sides of the fixing plate 20, one ends, far away from the fixing plate 20, of the two hinge rods 21 are hinged to one side of the second belt conveyor 19, an extrusion cylinder 16 is fixedly installed on the fixing plate 20, the end portion of an output rod of the extrusion cylinder 16 is fixedly connected with a moving block 17, the moving block 17 is slidably connected with the fixing plate 20, push rods 18 are hinged to two sides of the moving block 17, and one ends, far away from the moving block 17, of the two push rods 18 are hinged to two sides of the second belt conveyor 19 respectively.
The side cut subassembly 9 includes casing 22, there are two connecting rods 31 in the inboard horizontal direction slidable mounting of casing 22, the opening has been seted up to casing 22's bottom, the bottom of connecting rod 31 passes the opening and extends to the outside of casing 22, just the bottom fixed mounting of connecting rod 31 has cutting motor 24, fixed mounting has cutting blade 25 on cutting motor 24's the output shaft.
Vertical direction slidable mounting is followed to casing 22's inboard there is lifter plate 23, two inclined holes have been seted up on lifter plate 23, and two inclined holes are the symmetric distribution, all rotate on two connecting rods 31 and install pulley 32, pulley 32 slidable mounting is in the inclined hole that corresponds, the one end fixed mounting of lifter plate 23 has nut 27, casing 22's inboard is rotated and is installed threaded rod 26, threaded rod 26 and nut 27 threaded connection, casing 22 upper wall is run through on the top of threaded rod 26 and the outside that extends to casing 22, casing 22's outside fixed mounting has elevator motor 28, elevator motor 28 passes through the belt pulley, the belt is connected with threaded rod 26.
The diaphragm processing equipment comprises the following working steps:
step one, in an extruder 1 for adding mixed materials, slurry is extruded by the extruder 1 to obtain a thick film, the thick film moves between a first belt conveyor 3 and a second belt conveyor 19, an extrusion cylinder 16 is started, the extrusion cylinder 16 drives a moving block 17 to move, the moving block 17 drives the second belt conveyor 19 to descend through a push rod 18, the thick film is extruded into a thin film through the first belt conveyor 3 and the second belt conveyor 19, the first belt conveyor 3 and the second belt conveyor 19 drive the thin film to move to a supporting base 29, a lifting motor 28 is started, the lifting motor 28 drives a threaded rod 26 to rotate and drives a lifting plate 23 to lift and drive two cutting blades one 25 to move oppositely or reversely, the distance between the two cutting blades one 25 is adjusted, a cutting motor 24 is started, the cutting motor 24 drives the cutting blade one 25 to rotate, a height adjusting cylinder 33 is started, the height adjusting cylinder 33 drives the two cutting blades one 25 to descend, redundant parts on two sides of the film are cut off through the two first cutting blades 25, the conveying roller 30 drives the film to move to the position below the second cutting blade 8, the second cutting blade 8 is driven by the cutting cylinder 6 to descend, and the film is cut off by the second cutting blade 8, so that the lithium battery diaphragm of the new energy automobile is obtained;
step two, the moving cylinder 13 is started, the moving cylinder 13 drives the sucker 15 to move to the position above the lithium battery diaphragm of the new energy automobile, the lifting cylinder 11 drives the sucker 15 to suck the lithium battery diaphragm of the new energy automobile, the moving cylinder 13 drives the lithium battery diaphragm of the new energy automobile to move to the position above the bracket 10, the lifting cylinder 11 drives the diaphragm to enter the bracket 10, and the sucker 15 loosens the lithium battery diaphragm of the new energy automobile, so that the lithium battery diaphragm of the new energy automobile is stacked in the bracket 10.
According to the invention, polyether polyol, diphenylmethane diisocyanate, trichloromethane, polyvinyl alcohol, ammonia water, distilled water, ceramic powder and titanium dioxide are added into the raw materials of the new energy automobile lithium battery diaphragm, so that the prepared new energy automobile lithium battery diaphragm has the advantages of high porosity, high ion penetrability, stable electrochemical performance and high temperature resistance;
according to the invention, the mixed material is added into an extruder 1, the slurry is extruded by the extruder 1 to obtain a thick film, the thick film is moved between a first belt conveyor 3 and a second belt conveyor 19, an extrusion cylinder 16 is started, the extrusion cylinder 16 drives a movable block 17 to move, the movable block 17 drives the second belt conveyor 19 to descend through a push rod 18, the thick film is extruded into a thin film through the first belt conveyor 3 and the second belt conveyor 19, the first belt conveyor 3 and the second belt conveyor 19 drive the thin film to move onto a supporting base 29, a lifting motor 28 is started, the lifting motor 28 drives a threaded rod 26 to rotate and drives a lifting plate 23 to lift and drive two cutting blades one 25 to move oppositely or reversely, the distance between the two cutting blades one 25 is adjusted, a cutting motor 24 is started, the cutting motor 24 drives the cutting blade one 25 to rotate, a height adjusting cylinder 33 is started, the height adjusting cylinder 33 drives the two cutting blades one 25 to descend, the redundant parts on the two sides of the film are cut off through the two first cutting blades 25, the film is driven to move to the position below the second cutting blade 8 by the conveying roller 30, the second cutting blade 8 is driven to descend by the cutting cylinder 6, and the film is cut off by the second cutting blade 8 to obtain the new energy automobile lithium battery diaphragm;
according to the invention, the movable air cylinder 13 is started, the movable air cylinder 13 drives the sucker 15 to move to the position above the lithium battery diaphragm of the new energy automobile, the lifting air cylinder 11 drives the sucker 15 to suck the lithium battery diaphragm of the new energy automobile, the movable air cylinder 13 drives the lithium battery diaphragm of the new energy automobile to move to the position above the bracket 10, the lifting air cylinder 11 drives the diaphragm to enter the bracket 10, and the sucker 15 loosens the lithium battery diaphragm of the new energy automobile, so that the lithium battery diaphragm of the new energy automobile is stacked in the bracket 10.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A manufacturing process of a lithium battery diaphragm of a new energy automobile is characterized by comprising the following steps:
pouring polyether polyol, polyolefin resin, ceramic powder, trichloromethane, polyvinyl alcohol, ammonia water, titanium dioxide, distilled water and silicone oil into a stirrer in parts by weight, stirring for 20-30min for the first time, adding diphenylmethane diisocyanate, and stirring for 25-30min for the second time to obtain a mixed material;
step two, adding the mixed materials into an extruder (1) of diaphragm processing equipment, extruding the slurry through the extruder (1) to obtain a thick film, moving the thick film between a first belt conveyor (3) and a second belt conveyor (19), driving the second belt conveyor (19) to descend by an extruding cylinder (16), extruding the thick film into a thin film through the first belt conveyor (3) and the second belt conveyor (19), driving the thin film to move to a supporting base (29) by the first belt conveyor (3) and the second belt conveyor (19), adjusting the distance between two first cutting blades (25) through a lifting motor (28), driving the first cutting blades (25) to rotate by a cutting motor (24), driving the two first cutting blades (25) to descend by a height adjusting cylinder (33), cutting off redundant parts on two sides of the thin film through the two first cutting blades (25), driving the thin film to move below the second cutting blades (8) by a conveying roller (30), cutting cylinder (6) drive cutting blade two (8) and cut off the film, obtain new energy automobile lithium battery diaphragm, move cylinder (13) and drive sucking disc (15) and move new energy automobile lithium battery diaphragm top, lift cylinder (11) drive sucking disc (15) and hold new energy automobile lithium battery diaphragm, through moving cylinder (13), lift cylinder (11) drive the diaphragm and get into bracket (10) in, new energy automobile lithium battery diaphragm is loosened in sucking disc (15), make new energy automobile lithium battery diaphragm pile up in bracket (10).
2. The manufacturing process of the lithium battery diaphragm of the new energy automobile as claimed in claim 1, wherein the extrusion temperature of the extruder (1) is 145-210 ℃.
3. The manufacturing process of the new energy automobile lithium battery diaphragm is characterized in that in the first step, the mixed material is prepared from the following raw materials in parts by weight: 20-30 parts of polyether polyol, 15-18 parts of polyolefin resin, 4-6 parts of ceramic powder, 1-2 parts of trichloromethane, 2-3 parts of polyvinyl alcohol, 1-2 parts of ammonia water, 0.5-2 parts of titanium dioxide, 1-3 parts of distilled water, 0.5-1 part of silicone oil and 10-15 parts of diphenylmethane diisocyanate.
4. The manufacturing process of the new energy automobile lithium battery diaphragm as claimed in claim 1, wherein in the second step, the thickness of the thin film is 15-28 μm.
5. The manufacturing process of the lithium battery diaphragm of the new energy automobile as claimed in claim 1, wherein in the first step, the rotation speed of the primary stirring is 600-800 r/min.
6. The manufacturing process of the lithium battery diaphragm of the new energy automobile as claimed in claim 1, wherein in the first step, the rotation speed of the secondary stirring is 500-600 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210538001.6A CN114639920B (en) | 2022-05-18 | 2022-05-18 | New energy automobile lithium battery diaphragm manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210538001.6A CN114639920B (en) | 2022-05-18 | 2022-05-18 | New energy automobile lithium battery diaphragm manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114639920A CN114639920A (en) | 2022-06-17 |
| CN114639920B true CN114639920B (en) | 2022-07-19 |
Family
ID=81953059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210538001.6A Active CN114639920B (en) | 2022-05-18 | 2022-05-18 | New energy automobile lithium battery diaphragm manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114639920B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122427B (en) * | 2022-07-27 | 2023-03-10 | 深圳市胡一刀精密科技有限公司 | Method and equipment for punching PEN film of hydrogen energy fuel cell |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360920A (en) * | 2018-08-31 | 2019-02-19 | 广州倬粤动力新能源有限公司 | A kind of cutting method of battery diaphragm |
| CN109686909A (en) * | 2018-12-27 | 2019-04-26 | 湖南星际动力新能源有限公司 | A kind of high power lithium ion cell and preparation method thereof for middle low-speed cars |
-
2022
- 2022-05-18 CN CN202210538001.6A patent/CN114639920B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360920A (en) * | 2018-08-31 | 2019-02-19 | 广州倬粤动力新能源有限公司 | A kind of cutting method of battery diaphragm |
| CN109686909A (en) * | 2018-12-27 | 2019-04-26 | 湖南星际动力新能源有限公司 | A kind of high power lithium ion cell and preparation method thereof for middle low-speed cars |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114639920A (en) | 2022-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114639920B (en) | New energy automobile lithium battery diaphragm manufacturing process | |
| KR20000041210A (en) | Porous polymer electrolyte | |
| CN1187857C (en) | Solid electrolytes using aborbing agent and methods for preparing them | |
| WO2012118244A1 (en) | Vacuum drying apparatus of electrode plate for secondary battery and drying method therefor | |
| CA2536745A1 (en) | Stacking apparatus and method for assembly of polymer batteries | |
| CN212069971U (en) | Lithium cell production and processing is with electric core flattening device | |
| CN115817991B (en) | Flow battery information acquisition device, system and method | |
| CN212434480U (en) | Top moves back electric capacity shell forming device | |
| CN209791989U (en) | Novel device for sorting waste lithium ion battery plastic diaphragms by airflow | |
| CN217703539U (en) | Filter element adding and slitting device for sample adding needle production | |
| CN113991174A (en) | Organic-inorganic composite solid electrolyte membrane and preparation method and application thereof | |
| CN112857051A (en) | Sagger automatic shaking device for lithium battery anode material production | |
| CN209812506U (en) | Elastomer stretching plate sample preparation machine | |
| CN217101892U (en) | Adjustable rolling conveying equipment for flexible graphite bipolar plate | |
| CN112768797A (en) | New energy automobile battery recycling and transferring equipment and battery recycling system | |
| CN213471378U (en) | Equipment is tailor to diaphragm paper that lithium cell was used | |
| CN220177353U (en) | Lithium battery anode uniform coating machine | |
| CN219519378U (en) | New energy automobile battery case rubber coating device | |
| CN218223559U (en) | Monomer electricity core transplanting device | |
| CN114800695B (en) | Shearing and collecting device for geocell processing | |
| CN116551784A (en) | High-precision cutting die based on automation | |
| CN220784851U (en) | Lithium battery plastic-aluminum membrane dashes shell machine and dashes shell longitudinal cutter mechanism | |
| CN215145200U (en) | Edge cutting device for lead storage battery grid | |
| CN216419384U (en) | Vinylene carbonate serialization high-efficient apparatus for producing | |
| CN220731586U (en) | Automatic arrangement device for storage battery separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |