CN116278117B - Compaction device and method for sodium ion battery pole piece production - Google Patents
Compaction device and method for sodium ion battery pole piece production Download PDFInfo
- Publication number
- CN116278117B CN116278117B CN202310580437.6A CN202310580437A CN116278117B CN 116278117 B CN116278117 B CN 116278117B CN 202310580437 A CN202310580437 A CN 202310580437A CN 116278117 B CN116278117 B CN 116278117B
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- pole piece
- battery pole
- roller
- hot
- servo motor
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- 238000005056 compaction Methods 0.000 title claims abstract description 56
- 229910001415 sodium ion Inorganic materials 0.000 title claims abstract description 23
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000007731 hot pressing Methods 0.000 claims abstract description 95
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 239000000428 dust Substances 0.000 claims description 62
- 238000001179 sorption measurement Methods 0.000 claims description 32
- 238000003860 storage Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 17
- 239000002893 slag Substances 0.000 claims description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 3
- 238000000304 warm extrusion Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000012797 qualification Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 14
- 238000005238 degreasing Methods 0.000 description 12
- 238000007906 compression Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000003825 pressing Methods 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000010030 laminating Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0082—Dust eliminating means; Mould or press ram cleaning means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/34—Heating or cooling presses or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to the field of battery pole piece preparation, in particular to a compacting device and a compacting method for sodium ion battery pole piece production. Including the base, the both ends of base are provided with coiling mechanism and unreeling device respectively, the base rigid coupling has the support frame, the base rigid coupling has first servo motor, the base rotates and is connected with the compaction roller that is sharp array, and pass through belt and belt pulley transmission between the adjacent compaction roller, gear drive is connected between the output shaft of first servo motor and the adjacent compaction roller, the base rotates and is connected with the hot-pressing roller that is sharp array, the hot-pressing roller is located directly over the compaction roller, gear drive is connected between the output shaft gear drive's of first servo motor compaction roller and the hot-pressing roller, and pass through belt and belt pulley transmission between the adjacent hot-pressing roller. According to the invention, the battery pole piece is sequentially extruded by the extrusion force which is gradually increased between the compaction roller and the hot-pressing roller, so that the battery pole piece is gradually attached to the conductive coating on the battery pole piece, and the production qualification rate of the battery pole piece is improved.
Description
Technical Field
The invention relates to the field of battery pole piece preparation, in particular to a compacting device and a compacting method for sodium ion battery pole piece production.
Background
The sodium ion battery is a rechargeable battery, mainly depends on sodium ions to move between a positive electrode and a negative electrode to work, is similar to a lithium ion battery, but has the advantages of high safety, high thermal stability, excellent electrochemical performance and the like, and has been used for replacing the lithium ion battery in part of fields.
When the sodium ion battery is prepared, the battery pole piece and the conductive coating on the battery pole piece are required to be compacted, because the battery pole piece and the conductive coating are both made of elastic materials, the thickness of the battery pole piece can rebound after compaction, so that the consistency of the thickness of the battery pole piece is poor, the compaction of the battery pole piece is required to use a hot-pressing roller, the energy heated by the hot-pressing roller is partially used for extruding the battery pole piece, and most of energy is lost on energy exchange, so that energy waste is caused.
Disclosure of Invention
In order to overcome the defects that the thickness of the battery pole piece is bounced after compaction, so that the consistency of the thickness of the battery pole piece is poor, the compaction density of the battery pole piece is low and the energy waste is excessive, the invention provides a compaction device and a compaction method for producing a sodium ion battery pole piece, and solves the problems.
The technical scheme of the invention is as follows: the utility model provides a compaction device for sodium ion battery pole piece production, the on-line screen storage device comprises a base, the both ends of base are provided with coiling mechanism and unreeling device respectively, the base rigid coupling has the support frame, base fixedly connected with first servo motor, the base rotates and is connected with the compaction roller that is sharp array, and pass through the belt and the belt pulley transmission between the adjacent compaction roller, the output shaft of first servo motor is connected with the hot-pressing roller that is sharp array with the gear transmission between the adjacent compaction roller, the hot-pressing roller is located directly over the compaction roller, gear transmission is connected between the output shaft gear transmission of first servo motor compaction roller and the hot-pressing roller, and leave the clearance between the adjacent hot-pressing roller of straight line array respectively with the adjacent compaction roller of below, and the clearance between hot-pressing roller and the compaction roller progressively decreases according to unreeling device to coiling mechanism's direction.
Preferably, the base is provided with heating device, is provided with the inner shell in the hot press roller, leaves the cavity between inner shell and the adjacent hot press roller, and heating device passes through pipeline and the inner shell intercommunication in the adjacent hot press roller, loops through pipeline intercommunication between the inner shell in the adjacent hot press roller, and the inner shell in the hot press roller of keeping away from heating device passes through pipeline and heating device intercommunication.
Preferably, the base is close to one side fixedly connected with cold wind case of coiling mechanism, cold wind case fixedly connected with first fan, cold wind case fixedly connected with and intercommunication have the heat exchange box, and the pipeline that keeps away from heating device is located the heat exchange box inside, and the heat exchange box is close to one side fixedly connected with and the intercommunication that unreels the device has the hot bellows.
Preferably, the hot-pressing rollers in the linear array are communicated with a pipeline inside the heat exchange box, and a plugging sheet for forming a circulation loop is arranged inside the pipeline inside the heat exchange box.
Preferably, still including the mount, mount sliding connection is in the support frame, mount fixedly connected with second servo motor, the mount is provided with evenly distributed's dust removal roller, mount fixedly connected with and the static dust absorption board of dust removal roller laminating, the dust removal roller comprises sponge adsorbed layer and suction box, sponge adsorbed layer fixedly connected in the output shaft of second servo motor, the suction box is located the sponge adsorbed layer, suction box and mount fixed connection, suction box circular array has the through-hole, and the diameter of through-hole reduces gradually in sponge adsorbed layer and hot-pressing roller laminating department along sponge adsorbed layer rotation direction to the laminating department of static dust absorption board and sponge adsorbed layer, pass through belt and belt pulley transmission between the adjacent sponge adsorbed layer.
Preferably, the oil removing device further comprises a first sliding frame, the first sliding frame is connected to the base in a sliding mode, the supporting frame is fixedly connected with a fourth servo motor, an output shaft of the fourth servo motor is fixedly connected with a second gear, the first sliding frame is provided with teeth matched with the second gear, the first sliding frame is fixedly connected with an oil removing roller which is in a linear array, the oil removing roller consists of a first sponge layer and a ventilation pipe, the ventilation pipe is fixedly connected with the first sliding frame, the first sponge layer is connected to the outside of the ventilation pipe in a rotating mode, an air outlet is formed in the lower side of the ventilation pipe, the ventilation pipe is fixedly connected with a second fan in a communicating mode, the supporting frame is fixedly connected with a fifth servo motor, the supporting frame is connected with a third sliding frame in a sliding mode, an output shaft of the fifth servo motor is in threaded fit with the third sliding frame, the third sliding frame is fixedly connected with an oil storing shell which is in a linear array, and the oil storing shell is located under the oil removing roller, and an electric pushing plate which is symmetrically distributed.
Preferably, the device further comprises a second sliding frame, the second sliding frame is slidably connected to the supporting frame, teeth matched with the second gear are arranged on the second sliding frame, the second sliding frame is fixedly connected with an oiling roller which is in a linear array, the oiling roller comprises a second sponge layer, the second sponge layer is fixedly connected to the second sliding frame, an oil pipe is arranged in the second sponge layer and is communicated with an external oil way, the oil pipe is provided with an oil outlet, a slag storage shell which is in a linear array is arranged on the third sliding frame, and the slag storage shell is located under the oiling roller.
Preferably, the electric pushing rods are symmetrically distributed, the electric pushing rods are fixedly connected to the base, the base is slidably connected with symmetrically distributed sliding supports, the symmetrically distributed sliding supports are rotationally connected with tension rollers, and the telescopic ends of the electric pushing rods are fixedly connected with the adjacent sliding supports.
Preferably, the device further comprises a sixth servo motor, the sixth servo motor is fixedly connected to the support frame, the base is rotationally connected with transmission press rolls which are vertically symmetrically distributed, an output shaft of the sixth servo motor is fixedly connected with the transmission press rolls, the symmetrically distributed transmission press rolls are in gear transmission, and convex rings are arranged at two ends of the transmission press rolls above.
Preferably, a compacting method for producing sodium ion battery pole pieces is applied, and the compacting device for producing sodium ion battery pole pieces comprises the following steps:
step S1: before the battery pole piece is extruded, an output shaft of a fourth servo motor drives a degreasing roller to contact with a hot pressing roller through a first sliding frame, the degreasing roller dissolves and removes an oil film on the hot pressing roller, the fourth servo motor drives the degreasing roller to reset through the first sliding frame, an output shaft of a fifth servo motor drives a third sliding frame to slide upwards, and after the degreasing roller is respectively attached to an oil storage shell below, an electric push plate is started to extrude oil dissolved in the degreasing roller and discharge the oil into the oil storage shell;
Step S2: when the unreeling device unreels, the electric push rod pushes the sliding support to slide along the direction that the base is close to the unreeling device, so that the unreeling angle of the unreeling device to the battery pole piece is increased, and the tension of the battery pole piece is increased;
step S3: when a battery pole piece is compacted, the unreeling device starts unreeling, the reeling device starts reeling the battery pole piece, the output shaft of the first servo motor drives the compacting roller to rotate through the gear and the belt, the compacting roller drives the hot-pressing roller to rotate through the gear and the belt, the battery pole piece sequentially passes through the compacting roller in a linear array and the extrusion of the hot-pressing roller, the extrusion distance between the compacting roller in the linear array and the hot-pressing roller is sequentially reduced, the extrusion force born by the battery pole piece is sequentially increased, and meanwhile, when the hot-pressing roller rotates to extrude the battery pole piece, hot-pressing roller hot oil uniformly heats the battery pole piece;
step S4: when the battery pole piece is extruded, an output shaft of the third servo motor drives the first gear to rotate, the first gear rotates to drive the fixing frame to slide downwards along the supporting frame through the rack, and when the dust removing roller is attached to the hot pressing roller, the dust removing roller adsorbs dust on the hot pressing roller and collects the dust to the electrostatic dust collection plate;
step S5: when the extrusion of the battery pole piece is finished, the battery pole piece enters a cold air box, cold air in the cold air box reduces the temperature of the battery pole piece after the warm extrusion, meanwhile, an output shaft of a sixth servo motor drives a transmission press roller to rotate, the transmission press roller rotates to drive convex rings at two ends to rotate, the convex rings are attached between the side edges of the battery pole piece and the side edges of the conductive coating and extrude the battery pole piece, and an extension force is applied to the side edges of the battery pole piece;
Step S6: then when the winding device is wound, the electric push rod pushes the sliding support to slide along the direction that the base is far away from the winding device, and the sliding support slides to drive the tension roller to slide synchronously, so that the winding angle of a battery pole piece of the winding device is reduced;
step S7: after the extrusion of battery pole pieces is completed, rust prevention maintenance is needed for the hot-pressing roller, an output shaft of the fourth servo motor drives the second gear, the second gear rotates to drive the second sliding frame to slide along the supporting frame, the second sliding frame slides to drive the oiling roller to contact with the hot-pressing roller, the oiling roller is coated on the hot-pressing roller to form an oil film, after the oil coating is finished, the fourth servo motor drives the second sliding frame to reset, an output shaft of the fifth servo motor drives the third sliding frame to slide upwards along the supporting frame, the third sliding frame slides to drive the second sponge layer above the slag storage shell to be extruded, and redundant oil is recovered into the slag storage shell.
Advantageous effects
1. The battery pole pieces are sequentially extruded through the gradually-increased extrusion force, so that the battery pole pieces are gradually attached to the conductive coating on the battery pole pieces, the adsorption fastening force between the battery pole pieces and the conductive coating is increased, the rebound separation phenomenon of the battery pole pieces and the conductive coating on the battery pole pieces is avoided, and the production qualification rate of the battery pole pieces is improved.
2. The inner shell and the hot-pressing roller are matched to enable hot oil in the cavity between the inner shell and the hot-pressing roller to roll continuously, so that the hot oil circulated in the inner shell uniformly heats the hot oil in the cavity between the inner shell and the hot-pressing roller, the battery pole piece is uniformly attached to the conductive coating on the battery pole piece, and the qualification rate of press molding of the battery pole piece is improved.
3. The cold air in the cold air box is used for carrying out heat exchange with the battery pole piece, the temperature of the battery pole piece after extrusion is reduced, the internal energy of the conductive material is regulated, so that the molecules of the internal material of the conductive material are more stable, meanwhile, the heat exchange box is matched with a pipeline, the internal energy in the hot press roll is utilized to be transferred to the gas in the heat exchange box, and then the battery pole piece is preheated through the hot air box.
4. The dust on the hot press roller is cleaned through the cooperation of the suction box and the sponge adsorption layer, and meanwhile, the dust is collected through the cooperation of the through holes with different apertures and the electrostatic dust collection plate, so that the dust on the hot press roller is cleaned, and the conductive coating is uniformly distributed.
5. The hot pressing roller is oiled through the cooperation of oiling roller and second carriage, makes hot pressing roller surface attached with the oil film, ensures that hot pressing roller can not oxidation rust, clears away the oil film on the hot pressing roller through deoiling roller and first carriage cooperation, avoids oil film and conductive coating to mix, makes battery pole piece preparation unqualified.
6. The winding and unwinding angles are adjusted through the cooperation of the electric push rod and the tension roller, the tension stability of the battery pole piece is ensured, the extension force is applied to the battery pole piece through the cooperation of the transmission press roller and the convex ring, and the shape stability of the battery pole piece is ensured.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of a three-dimensional structure of parts such as a cross section of the hot press roller, the compaction roller and the cold air box.
FIG. 3 is a schematic perspective view of the hot press roll and compaction roll of the present invention in cross section.
Fig. 4 is a schematic perspective view of the hot press roller, the compacting roller and other parts according to the invention.
Fig. 5 is a schematic cross-sectional perspective view of the thermo-compression roller and inner shell of the present invention.
Fig. 6 is a schematic perspective view of the heat exchange box and the pipeline.
Fig. 7 is an enlarged perspective view of the present invention at a.
Fig. 8 is a schematic perspective view of the fixing frame and the dust removing roller.
FIG. 9 is a schematic perspective view of the sponge adsorption layer of the present invention in cross section and its internal parts.
Fig. 10 is an enlarged perspective view of the present invention at B.
Fig. 11 is a schematic perspective view of a fourth servo motor, a first carriage, a second carriage, and other parts according to the present invention.
Fig. 12 is a schematic perspective view of parts such as a fifth servo motor and a third sliding frame of the present invention.
Fig. 13 is a schematic perspective view of a cross-sectional view of a second sponge layer according to the present invention.
Fig. 14 is a schematic perspective view of a first sponge layer of the present invention in cross-section.
Fig. 15 is a schematic perspective view of the electric putter and the sliding bracket according to the present invention.
Fig. 16 is a schematic perspective view of the transmission press roller and the convex ring.
In the reference numerals: 101-base, 102-coiling mechanism, 103-unreeling device, 104-support frame, 105-first servo motor, 106-compaction roller, 107-hot press roller, 201-heating device, 202-pipeline, 203-sealing plate, 204-inner shell, 301-first fan, 302-cold bellows, 303-heat exchange box, 304-hot bellows, 401-fixing frame, 402-second servo motor, 403-dedusting roller, 4031-sponge adsorption layer, 4032-suction box, 4033-through hole, 404-electrostatic dust collection plate, 405-third servo motor, 406-first gear, 407-rack, 501-first sliding frame, 502-fourth servo motor, 503-second gear, 504-deoiling roller, 5041-first sponge layer, 5042-ventilation pipe, 5043-air outlet, 505-oil storage shell, 506-electric push plate, 507-second fan, 601-second sliding frame, 602-oiling roller, 6021-second sponge layer, 6022-oil pipe, 6023-oil outlet motor, 603-fifth sliding frame, 501-third sliding frame, 502-fourth servo motor, 503-second gear, 504-oil removal roller, 5041-first sliding frame, 5043-air outlet, 505-oil storage shell, 506-electric push plate, 507-second sliding frame, 803-fourth servo motor, 503-second gear, 803-oil storage roller, 801-oil storage roller, and 801-first sliding frame, rolling frame, and 801-fourth sliding frame.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Embodiment 1A compaction device and method for sodium ion battery pole piece production, as shown in figures 1-4, including base 101, the left end of base 101 upside is provided with coiling mechanism 102, the right-hand member of base 101 upside is provided with unreel device 103, fixedly connected with is used for fixing and supporting each part's support frame 104, base 101 fixedly connected with first servo motor 105, base 101 rotates and is connected with three compaction roller 106 that is sharp array, and all pass through belt and belt pulley transmission between two adjacent compaction roller 106, pass through gear transmission between the output shaft of first servo motor 105 and the compaction roller 106 directly over, the base rotates and is connected with three thermo-compression roller 107 that is sharp array, thermo-compression roller 107 is located directly over compaction roller 106, pass through gear transmission between the thermo-compression roller 106 in the middle part and the thermo-compression roller 107 directly over it, and all pass through belt and belt pulley transmission between two adjacent thermo-compression roller 107, there is the clearance between the compaction roller 106 that is sharp array respectively and the below adjacent compaction roller 106, and the clearance between compaction roller 107 and the compaction roller 106 is according to the device that the clearance between the thermo-compression roller 106 is the coiling roller 106 is the laminating roller is progressively increased to the battery pole piece of three adjacent, the gradual separation of battery pole piece and the battery pole piece on the battery pole piece of the gradual increase and the battery pole piece of the gradual increase of the conductive coating, the battery, the contact resistance between the battery is produced.
As shown in fig. 4-6, a heating device 201 is provided on a base 101, inner shells 204 are provided in heat-pressing rollers 107, a cavity is left between each inner shell 204 and each adjacent heat-pressing roller 107, the cavity is filled with hot oil, the heating device 201 is communicated with the inner shells 204 in the adjacent heat-pressing rollers 107 through a pipeline 202, the inner shells 204 in the adjacent two heat-pressing rollers 107 are sequentially communicated through the pipeline 202, the inner shells 204 in the heat-pressing rollers 107 far away from the heating device 201 are communicated with the heating device 201 through the pipeline 202, a circulation heating loop is formed, and the hot oil circulated by the inner shells 204 uniformly heats the hot oil in the cavity between the inner shells 204 and the adjacent heat-pressing rollers 107, so that the battery pole pieces are ensured to be heated uniformly.
As shown in fig. 6 and 7, a cold air box 302 is fixedly connected to the left side of the base 101, a first fan 301 is fixedly connected to the front side of the cold air box 302, cold air is injected into the cold air box 302 by the first fan 301, a heat exchange box 303 is fixedly connected and communicated to the rear side of the cold air box 302, the rear side pipeline 202 is located inside the heat exchange box 303, the heat press rollers 107 in a linear array are all communicated with the pipeline 202 located inside the heat exchange box 303, a plugging sheet 203 for forming a circulation loop by hot oil is arranged in the pipeline 202 located inside the heat exchange box 303 between the two heat press rollers 107 on the right side, the heat exchange box 303 is fixedly connected to the rear part of the right side of the base 101 and communicated with a hot air box 304, cold air injected by the first fan 301 cools battery pole pieces, meanwhile, the cold air exchanges heat with hot oil in the pipeline 202, and residual energy extruded by the battery pole pieces are preheated by the circulation.
When the battery pole piece needs to be compacted, the heating device 201 is started, the heating device 201 starts to circulate hot oil in the heating pipeline 202 and the inner shell 204, after the temperature of the hot oil in the hot pressing roller 107 reaches the temperature required by operation, the first fan 301 is started, cold air is blown into the adjacent cold air box 302 by the first fan 301, then the unreeling device 103 starts to unreel, the reeling device 102 starts to reel the battery pole piece, at the moment, cold air in the cold air box 302 enters the heat exchange box 303, cold air in the heat exchange box 303 exchanges heat with hot oil in the pipeline 202, the temperature of gas in the heat exchange box 303 rises, then the gas enters the hot air box 304 along the heat exchange box 303, the temperature of the cold air in the heat exchange box 303 rises to be hot air, the hot air in the heat exchange box 303 preheats the battery pole piece in the hot air box 304, the temperature of the battery pole piece and the conductive paint is improved, the battery pole piece and the conductive paint are pre-attached, the fastening force between the battery pole piece and the conductive paint is improved, the pressing qualification rate of the battery pole piece is increased, and the utilization rate of the battery pole piece can be preheated by using hot oil in the pipeline 202.
After the battery pole piece is preheated, the first servo motor 105 is started, the output shaft of the first servo motor 105 drives the compaction rollers 106 to rotate through gears, the compaction rollers 106 drive the adjacent two compaction rollers 106 to synchronously rotate through belts, the compaction rollers 106 drive the hot pressing rollers 107 to rotate through gears, the hot pressing rollers 107 drive the adjacent two hot pressing rollers 107 to synchronously rotate through belts, the battery pole piece sequentially passes through the extrusion of three groups of compaction rollers 106 and the hot pressing rollers 107, the extrusion distances between the three groups of compaction rollers 106 and the hot pressing rollers 107 are sequentially reduced, the extrusion force born by the battery pole piece is sequentially increased, the battery pole piece is gradually attached to conductive paint on the battery pole piece, the rebound separation phenomenon of the conductive paint on the battery pole piece is overcome, and the adsorption fastening force between the battery pole piece and the conductive paint is increased.
In the process of rotating the hot-pressing roller 107 to extrude the battery pole piece, the hot-pressing roller 107 rotates to drive hot oil in the cavity between the inner shell 204 and the hot-pressing roller 107 to continuously roll, hot oil circulated in the inner shell 204 continuously heats the hot oil in the cavity between the inner shell 204 and the hot-pressing roller 107, the heat exchange area between the hot oil in the cavity between the inner shell 204 and the hot-pressing roller 107 and the inner shell 204 is increased, the heat transfer efficiency is improved, meanwhile, the hot oil in the cavity between the inner shell 204 and the hot-pressing roller 107 uniformly heats the battery pole piece, so that the battery pole piece is further attached to conductive paint on the battery pole piece, the qualification rate of press forming of the battery pole piece is further improved, after the battery pole piece is extruded, the battery pole piece enters the cold air box 302, cold air in the cold air box 302 is in heat exchange with the battery pole piece, the temperature of the extruded battery pole piece is reduced, and molecules of materials in the conductive material are more stable.
Example 2: on the basis of the embodiment 1, as shown in fig. 8-10, the device further comprises two fixing frames 401 which are symmetrically distributed in front and back, the two symmetrically distributed fixing frames 401 are both connected with the support frame 104 in a sliding way, the front fixing frame 401 is fixedly connected with a second servo motor 402, three uniformly distributed dust removing rollers 403 are arranged between the two fixing frames 401, the dust removing rollers 403 are composed of a sponge adsorption layer 4031 and an exhaust box 4032, the sponge adsorption layer 4031 is fixedly connected with an output shaft of the second servo motor 402, the exhaust box 4032 is positioned in the sponge adsorption layer 4031, the exhaust box 4032 is composed of an air cylinder and an exhaust fan, the exhaust fan is communicated with the outside, the air cylinder of the exhaust box 4032 is fixedly connected with the fixing frame 401, the circular array of the exhaust box 4032 is provided with a through hole 4033, the diameter of the through hole 4033 is gradually reduced from the joint of the sponge adsorption layer 4031 and the hot pressing roller 107 to the joint of the electrostatic dust collection plate 404 and the sponge adsorption layer 4031 along the rotation direction of the sponge adsorption layer 4031, the joint of the sponge adsorption layer 4031 and the hot pressing roller 107 at the right lower side of the air suction box 4032 to the cambered surface non-through hole 4033 between the joint of the electrostatic dust collection plate 404 and the sponge adsorption layer 4031, the two adjacent sponge adsorption layers 4031 are driven by a belt and a belt pulley, the electrostatic dust collection plate 404 jointed with the dust collection roller 403 is fixedly connected between the two symmetrically distributed fixing frames 401, the electrostatic dust collection plate 404 is positioned on the right side of the dust collection roller 403, and the air suction box 4032 is matched with the through holes 4033 with different apertures to adsorb dust on the hot pressing roller 107 and collect the dust in the electrostatic dust collection plate 404, so that the dust is prevented from being inlaid in the conductive paint, and the conductive property of a battery pole piece is prevented from being affected.
When the battery pole piece is extruded and formed, dust in air can be adsorbed on the hot pressing roller 107, so that when the battery pole piece is pressed, the dust can be inlaid in the conductive paint, impurities appear in the conductive paint, the conductive capacity of the battery pole piece is reduced, and therefore, the dust on the hot pressing roller 107 needs to be removed, and the specific operation is as follows: before starting to squeeze the battery pole pieces, starting a third servo motor 405, driving a first gear 406 to rotate by an output shaft of the third servo motor 405, driving a fixing frame 401 to slide downwards along a supporting frame 104 by a rack frame 407 by the rotation of the first gear 406, driving three dust removing rollers 403 to synchronously move by the downward sliding of the fixing frame 401 along the supporting frame 104, closing the third servo motor 405 after the dust removing rollers 403 slide downwards to contact and adhere with the hot pressing rollers 107, then starting a second servo motor 402 and an exhaust box 4032, driving three sponge adsorption layers 4031 to rotate to contact the hot pressing rollers 107 by the rotation of an output shaft of the second servo motor 402, positioning the contact part of the sponge adsorption layers 4031 and the hot pressing rollers 107 below the electrostatic dust collection plate 404, simultaneously adsorbing dust on the hot pressing rollers 107 contacted by the sponge adsorption layers 4031 by the exhaust box 4032 through holes 4033, at this time, the through hole 4033 with the maximum diameter applies adsorption force to dust, then the dust continues to rotate along with the adsorption of the dust by the sponge adsorption layer 4031, the diameter of the through hole 4033 applying adsorption force is gradually reduced, the adsorption force of wind pressure in the through hole 4033 to the dust is gradually reduced, when the sponge adsorption layer 4031 drives the dust to rotate to the joint of the electrostatic dust collection plate 404 and the sponge adsorption layer 4031, no through hole 4033 applies adsorption force to the dust, the dust is adsorbed on the electrostatic dust collection plate 404, the dust adsorbed on the hot press roller 107 is cleaned by the cooperation of the exhaust box 4032 and the sponge adsorption layer 4031, the dust adsorbed on the hot press roller 107 is prevented from being inlaid in the conductive paint, and the conductive speed of the conductive paint on the battery pole piece is prevented from being influenced.
As shown in fig. 11, fig. 12 and fig. 14, the device further comprises a first sliding frame 501, the first sliding frame 501 is slidingly connected to the upper side of the base 101, a fourth servo motor 502 is fixedly connected to the right rear side of the supporting frame 104, an output shaft of the fourth servo motor 502 is fixedly connected with a second gear 503, the second gear 503 is a gear-missing wheel, the left half circle of the second gear 503 is provided with teeth, the first sliding frame 501 is provided with teeth matched with the second gear 503, the first sliding frame 501 is fixedly connected with three oil removing rollers 504 in a linear array, the three oil removing rollers 504 are all located on the left side of an adjacent hot pressing roller 107, the oil removing rollers 504 are composed of a first sponge layer 5041 and a ventilation pipe 5042, the ventilation pipe 5042 is fixedly connected to the first sliding frame 501, the first sponge layer 5041 is rotationally connected to the outside of the ventilation pipe 5042, an air outlet 5043 is arranged on the lower side of the ventilation pipe 5042, the ventilation pipe 5042 is fixedly connected with a second fan 507, the second fan 507 is filled with alcohol-containing gas, the middle part of the left side of the supporting frame 104 is fixedly connected with the fifth sliding motor 603 in the middle of the position of the supporting frame 503, the fifth sliding frame is fixedly connected with the oil removing motor 504 in the middle part of the second gear 503, the fifth sliding frame is provided with the third sliding frame 505 is in the shape, and is in the linear array is in the non-matched with the third sliding frame 505, and is in the linear array is in the non-matched with the upper side of the third sliding frame is provided with a shell with the third sliding frame 505, which is formed in the fourth sliding frame is arranged, which is in the fourth sliding is has is matched with a fourth sliding, and has.
As shown in fig. 11-13, the hot press roller further comprises a second sliding frame 601, the second sliding frame 601 is slidably connected to the supporting frame 104, teeth matched with the second gear 503 are arranged on the second sliding frame 601, three oiling rollers 602 in a linear array are fixedly connected to the second sliding frame 601, the oiling rollers 602 comprise a second sponge layer 6021, the second sponge layer 6021 is fixedly connected to the second sliding frame 601, an oil pipe 6022 is arranged in the second sponge layer 6021, the oil pipe 6022 is communicated with an external oil way, the oil pipe 6022 is provided with an oil outlet 6023, three slag storage shells 605 in a linear array are arranged on the third sliding frame 604, the three slag storage shells 605 are located under the oiling rollers 602, oiling is performed on the hot press roller 107 through the oil pipe 6022 in the oiling rollers 602, and the external surface of the hot press roller 107 is formed, and external oxygen of the oil film is ensured to prevent the hot press roller 107 from oxidizing and rusting.
When the battery pole piece extrusion is finished, rust prevention maintenance is needed on the hot pressing roller 107, the situation that the hot pressing roller 107 is rusted for a long time is avoided, conductive paint is embedded into the battery pole piece during extrusion of the battery pole piece by the rust on the hot pressing roller 107, when the hot pressing roller 107 is cured, the fourth servo motor 502 is started, the output shaft of the fourth servo motor 502 drives the second gear 503, the second gear 503 rotates to drive the second sliding frame 601 to slide along the right side of the supporting frame 104, the second sliding frame 601 slides to drive the three oiling rollers 602 to synchronously move, after the three oiling rollers 602 contact and are attached to the adjacent hot pressing roller 107, the fourth servo motor 502 is closed, an external oil way is started at this moment, oil enters the oil pipe 6022, oil outlet holes 6023 which are evenly distributed in the oil pipe 6022 flow out, at this moment, the oil enters the second sponge layer 6021 and is oozed out, the oozed oil is coated on the hot pressing roller 107 by the second sponge layer 6021, external oxygen is prevented from oxidizing the hot pressing roller 107 to generate rust, after the oil coating is finished, the fourth servo motor 502 is reversely rotated to drive the second sliding frame 601 to reset, then the fifth servo motor 603 is started, the output shaft of the third servo motor 603 contacts with the third servo motor 604, the third servo motor 604 contacts with the third sponge layer 104 and is reversely rotated to drive the third sponge layer 605, and the third sponge layer 605 is reversely rotated to drive the third sponge layer 104 to reversely slide along the third sponge layer 104, then the sponge shell 60605 is reversely rotated, and is reversely rotated to drive the third sponge layer is reversely rotated to drive the sponge shell and is reversely rotated, and then to rotate, and is reversely rotated, and then, and is recovered to roll is contacted and moved, and is recovered to roll and moved, and is recovered.
Before the battery pole piece is extruded, the first servo motor 105 is started, the output shaft of the first servo motor 105 drives the hot press roller 107 to rotate through a gear, then the fourth servo motor 502 is started again, the output shaft of the fourth servo motor 502 reverses to drive the first sliding frame 501 to slide along the base 101, the first sliding frame 501 slides along the base 101 to drive the three degreasing rollers 504 to synchronously slide, after the three degreasing rollers 504 are in sliding contact with and are attached to the adjacent hot press roller 107, the fourth servo motor 502 is closed, at the moment, the hot press roller 107 drives the first sponge layer 5041 to rotate through friction, the second fan 507 is started, the second fan 507 blows gas with alcohol into the ventilation pipe 5042, the gas is in contact with the rotating first sponge layer 5041 through the air outlet 5043, at the moment, the alcohol in the gas is uniformly adhered to the first sponge layer 5041 and permeates outwards, when the alcohol permeates to the outer side of the first sponge layer 5041, at this time, the alcohol on the first sponge layer 5041 contacts with the oil film on the hot press roller 107, the alcohol on the first sponge layer 5041 dissolves the oil film on the hot press roller 107, the oil film on the hot press roller 107 is further removed, the battery pole piece is ensured to be pressed, the oil film on the battery pole piece is not mixed with the conductive paint, the self property of the battery pole piece is disqualified, the fourth servo motor 502 is started until the oil film on the three hot press rollers 107 is completely removed, the fourth servo motor 502 drives the three oil removal rollers 504 to reset through the first sliding frame 501, after the three oil removal rollers 504 are reset, the fifth servo motor 603 is started to drive the third sliding frame 604 to slide upwards, the third sliding frame 604 slides upwards to drive the three oil storage shells 505 to slide synchronously, the three oil storage shells 505 slide to be respectively attached to the oil removal rollers 504 above, the fifth servo motor 603 is closed, then two electric push plates 506 are started, the two electric push plates 506 oppositely squeeze the first sponge layer 5041, the oil dissolved in the first sponge layer 5041 is extruded into the oil storage shell 505, so that the phenomenon that the oil dissolved in the first sponge layer 5041 is not thoroughly removed, and the oil film on the hot pressing roller 107 is not cleaned next time is avoided.
Embodiment 3, on the basis of embodiment 2, as shown in fig. 15, the battery pole piece is further provided with two symmetrically distributed electric push rods 701, the two symmetrically distributed electric push rods 701 are respectively and fixedly connected to the left side and the right side of the upper side of the base 101, the upper side of the base 101 is slidably connected with two symmetrically distributed sliding brackets 702, the two symmetrically distributed sliding brackets 702 are rotatably connected with tension rollers 703, the telescopic ends of the electric push rods 701 are fixedly connected with the adjacent sliding brackets 702, and the relative distance between the winding device 102 and the unwinding device 103 and the tension rollers 703 is adjusted by matching the electric push rods 701 with the tension rollers 703, so that the tension stability of the battery pole piece is ensured.
As shown in fig. 16, the battery pole piece is further provided with a sixth servo motor 801, the sixth servo motor 801 is fixedly connected to the left rear side of the support frame 104, the base 101 is rotationally connected with two transmission press rollers 802 which are vertically and symmetrically distributed, an output shaft of the sixth servo motor 801 is fixedly connected with the transmission press rollers 802 below, the two transmission press rollers 802 which are symmetrically distributed are in gear transmission, two ends of the transmission press rollers 802 above are provided with convex rings 803, the length of the convex rings 803 is the same as the length of the side edge of the conductive coating adjacent to the two side edges of the battery pole piece, the thickness of the conductive coating is the same as the thickness of the conductive coating, and extension force is applied to the battery pole piece through the cooperation of the transmission press rollers 802 and the convex rings 803, so that the shape stability of the battery pole piece is ensured.
When the winding device 102 is used for winding, the thickness of a wound battery pole piece is gradually increased, the tension of the battery pole piece is increased, at the moment, the adjacent electric push rods 701 push the sliding support 702 to slide along the right side of the base 101, the sliding support 702 slides to drive the tension roller 703 to slide synchronously, the relative distance between the tension roller 703 and the winding device 102 is increased, the winding tension of the battery pole piece is reduced, the thickness of the wound battery pole piece of the unwinding device 103 is gradually reduced when the unwinding device is used for unwinding, the tension of the battery pole piece is reduced, at the moment, the adjacent electric push rods 701 push the sliding support 702 to slide along the right side of the base 101, the relative distance between the unwinding device 103 and the tension roller 703 is reduced, the tension of the battery pole piece is increased, and the unwinding tension of the unwinding device 103 is ensured.
After the extrusion of the battery pole piece is finished, the two sides of the battery pole piece are easy to turn up, the sixth servo motor 801 is started at this time, the output shaft of the sixth servo motor 801 drives the transmission press roller 802 below to rotate, the transmission press roller 802 below rotates to drive the transmission press roller 802 above to rotate through the gear, the transmission press roller 802 above rotates to drive the convex rings 803 at two ends to rotate, the lengths of the convex rings 803 are the same as the lengths of the sides of the conductive coating adjacent to the two sides of the battery pole piece, the thicknesses of the convex rings 803 are the same as the thicknesses of the conductive coating, the convex rings 803 are attached between the sides of the battery pole piece and the sides of the conductive coating, the battery pole piece is extruded, extension force is applied to the two sides of the battery pole piece, and the phenomenon that the sides of the battery pole piece cannot turn up is ensured.
Example 4 based on example 3, as shown in fig. 1-13, a compacting method for producing sodium ion battery pole pieces, using the compacting device for sodium ion battery pole pieces, comprises the following steps:
step S1: before the battery pole piece is extruded, an output shaft of a fourth servo motor 502 drives a degreasing roller 504 to contact with a hot press roller 107 through a first sliding frame 501, the degreasing roller 504 dissolves and removes an oil film on the hot press roller 107, the fourth servo motor 502 drives the degreasing roller 504 to reset through the first sliding frame 501, an output shaft of a fifth servo motor 603 drives a third sliding frame 604 to slide upwards, and after the degreasing roller 504 is respectively attached to an oil storage shell 505 below, an electric push plate 506 is started to extrude oil dissolved in the degreasing roller 504 and discharge the oil into the oil storage shell 505;
step S2: when the unreeling device 103 unreels, the electric push rod 701 pushes the sliding support 702 to slide along the direction that the base 101 approaches the unreeling device 103, so that the unreeling angle of the unreeling device 103 to the battery pole piece is increased, and the tension of the battery pole piece is increased;
step S3: when a battery pole piece is compacted, the unreeling device 103 starts unreeling, the reeling device 102 starts reeling the battery pole piece, the output shaft of the first servo motor 105 drives the compacting roller 106 to rotate through a gear and a belt, the compacting roller 106 drives the hot-pressing roller 107 to rotate through the gear and the belt, the battery pole piece sequentially passes through the compaction roller 106 and the hot-pressing roller 107 which are in a linear array and is extruded, the extrusion distance between the compacting roller 106 and the hot-pressing roller 107 which are in a linear array is sequentially reduced, the extrusion force born by the battery pole piece is sequentially increased, and meanwhile, when the hot-pressing roller 107 rotates to extrude the battery pole piece, hot oil of the hot-pressing roller 107 uniformly heats the battery pole piece;
Step S4: when the battery pole piece is extruded, an output shaft of the third servo motor 405 drives the first gear 406 to rotate, the first gear 406 rotates to drive the fixing frame 401 to slide downwards along the supporting frame 104 through the rack 407, and when the dust removing roller 403 is attached to the hot pressing roller 107, the dust removing roller 403 adsorbs dust on the hot pressing roller 107 and collects the dust to the electrostatic dust collection plate 404;
step S5: when the extrusion of the battery pole piece is completed, the battery pole piece enters a cold air box 302, cold air in the cold air box 302 reduces the temperature of the battery pole piece after the warm extrusion, meanwhile, an output shaft of a sixth servo motor 801 drives a transmission press roller 802 to rotate, the transmission press roller 802 rotates to drive convex rings 803 at two ends to rotate, the convex rings 803 are attached between the side edges of the battery pole piece and the side edges of the conductive coating, the battery pole piece is extruded, and an extension force is applied to the side edges of the battery pole piece;
step S6: then, when the winding device 102 is wound, the electric push rod 701 pushes the sliding support 702 to slide along the direction that the base 101 is far away from the winding device 102, and the sliding support 702 slides to drive the tension roller 703 to slide synchronously, so that the winding angle of a battery pole piece of the winding device 102 is reduced;
step S7: when the battery pole piece extrusion is finished, rust protection maintenance is needed for the hot-pressing roller 107, the output shaft of the fourth servo motor 502 drives the second gear 503, the second gear 503 rotates to drive the second sliding frame 601 to slide along the supporting frame 104, the second sliding frame 601 slides to drive the oiling roller 602 to contact the hot-pressing roller 107, the oiling roller 602 coats the hot-pressing roller 107 to form an oil film, after oil coating is finished, the fourth servo motor 502 drives the second sliding frame 601 to reset, the output shaft of the fifth servo motor 603 drives the third sliding frame 604 to slide upwards along the supporting frame 104, the third sliding frame 604 slides to drive the second sponge layer 6021 above the slag shell 605 to extrude, and redundant oil is recovered into the slag shell 605.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (8)
1. A compaction device for sodium ion battery pole piece production, its characterized in that: the automatic rolling and unwinding device comprises a base (101), wherein a rolling device (102) and an unwinding device (103) are respectively arranged at two ends of the base (101), a supporting frame (104) is fixedly connected with the base (101), a first servo motor (105) is fixedly connected with the base (101), compaction rollers (106) which are in a linear array are rotationally connected between the base (101), adjacent compaction rollers (106) are in transmission through a belt and a belt pulley, an output shaft of the first servo motor (105) is in transmission connection with the adjacent compaction rollers (106) through a gear, the base (101) is rotationally connected with a hot-pressing roller (107) which is in a linear array, the hot-pressing roller (107) is located right above the compaction rollers (106), the compaction rollers (106) which are in gear transmission connection with the output shaft of the first servo motor (105) are in transmission connection with the hot-pressing roller (107) through the belt and the belt pulley, gaps are reserved between the compaction rollers (107) which are in the linear array and the adjacent compaction rollers (106) which are arranged below, and the gaps between the hot-pressing rollers (107) are gradually decreased in the step-by-step direction from the rolling device (103) to the winding device (102);
The oil removing device comprises a base (101), a support frame (104) is fixedly connected with a fourth servo motor (502), an output shaft of the fourth servo motor (502) is fixedly connected with a second gear (503), the first slide frame (501) is provided with teeth matched with the second gear (503), the first slide frame (501) is fixedly connected with an oil removing roller (504) in a linear array, the oil removing roller (504) consists of a first sponge layer (5041) and a ventilation pipe (5042), the ventilation pipe (5042) is fixedly connected with the first slide frame (501), the first sponge layer (5041) is rotationally connected with the outside of the ventilation pipe (5042), the lower side of the ventilation pipe (5042) is provided with an air outlet (5043), the ventilation pipe (5042) is fixedly connected with a second fan (507), the support frame (104) is fixedly connected with a fifth servo motor (603), the support frame (104) is slidingly connected with a third slide frame (604), the output shaft of the fifth servo motor (603) is matched with the third slide frame (604), and the third slide frame (604) is in threaded connection with an oil removing roller (505), and oil is symmetrically distributed under an electric shell (505) and is arranged on the electric shell (505);
Still including second carriage (601), second carriage (601) sliding connection is in support frame (104), second carriage (601) are provided with second gear (503) complex tooth, second carriage (601) fixedly connected with is oiling roller (602) of sharp array, oiling roller (602) are including second sponge layer (6021), second sponge layer (6021) fixed connection is in second carriage (601), be provided with oil pipe (6022) in second sponge layer (6021), oil pipe (6022) and outside oil circuit intercommunication, oil pipe (6022) are provided with oil outlet (6023), third carriage (604) are provided with and are sharp array deposit slag shell (605), deposit slag shell (605) and lie in oiling roller (602) under.
2. A compaction device for sodium ion battery pole piece production as claimed in claim 1, wherein: the base (101) is provided with heating device (201), is provided with inner shell (204) in hot-pressing roller (107), leaves the cavity between inner shell (204) and hot-pressing roller (107), and heating device (201) are through pipeline (202) and the inner shell (204) in adjacent hot-pressing roller (107) intercommunication, and pipeline (202) intercommunication is passed through in proper order between inner shell (204) in adjacent hot-pressing roller (107), and inner shell (204) in hot-pressing roller (107) that keep away from heating device (201) are through pipeline (202) and heating device (201) intercommunication.
3. A compaction device for sodium ion battery pole piece production as claimed in claim 2, wherein: one side that base (101) is close to coiling mechanism (102) fixedly connected with cold air tank (302), cold air tank (302) fixedly connected with first fan (301), cold air tank (302) fixedly connected with and intercommunication have heat transfer case (303), and pipeline (202) that keep away from heating device (201) are located heat transfer case (303) inside, and heat transfer case (303) are close to one side fixedly connected with and intercommunication that unreels device (103) have hot-blast case (304).
4. A compaction device for sodium ion battery pole piece production as claimed in claim 3, wherein: the hot-pressing rollers (107) in a linear array are communicated with the pipeline (202) positioned in the heat exchange box (303), and the plugging sheets (203) for forming a circulation loop are arranged in the pipeline (202) positioned in the heat exchange box (303).
5. A compaction device for sodium ion battery pole piece production as claimed in claim 4, wherein: the novel dust collector comprises a support frame (401), the support frame (401) is connected with a supporting frame (104) in a sliding manner, the support frame (401) is fixedly connected with a second servo motor (402), the support frame (401) is provided with dust collection rollers (403) which are uniformly distributed, the fixed frame (401) is fixedly connected with an electrostatic dust collection plate (404) which is attached to the dust collection rollers (403), the dust collection rollers (403) are composed of sponge adsorption layers (4031) and an exhaust box (4032), the sponge adsorption layers (4031) are fixedly connected with an output shaft of the second servo motor (402), the exhaust box (4032) is positioned in the sponge adsorption layers (4031), the exhaust box (4032) is fixedly connected with the support frame (401), a circular array of the exhaust box (4033) is provided with through holes (4033), the diameter of each through hole (4033) is gradually reduced from the attaching position of the sponge adsorption layers (4031) to the attaching position of the electrostatic dust collection plate (4031) along the rotating direction of the sponge adsorption layers (4031), the adjacent sponge adsorption layers (4031) are gradually driven by a belt and a belt, the supporting frame (104) is provided with a third servo motor (405), the third servo motor (405) is fixedly connected with a third servo frame (405), the first gear (406) is engaged with the rack (407).
6. A compaction device for sodium ion battery pole piece production as claimed in claim 5, wherein: the electric push rod is characterized by further comprising symmetrically distributed electric push rods (701), wherein the symmetrically distributed electric push rods (701) are fixedly connected to the base (101), the base (101) is slidably connected with symmetrically distributed sliding supports (702), the symmetrically distributed sliding supports (702) are rotationally connected with tension rollers (703), and the telescopic ends of the electric push rods (701) are fixedly connected with the adjacent sliding supports (702).
7. A compaction device for sodium ion battery pole piece production as claimed in claim 6, wherein: the automatic transmission device is characterized by further comprising a sixth servo motor (801), wherein the sixth servo motor (801) is fixedly connected to the support frame (104), the base (101) is rotationally connected with transmission press rollers (802) which are vertically symmetrically distributed, an output shaft of the sixth servo motor (801) is fixedly connected with the transmission press rollers (802), the transmission press rollers (802) which are symmetrically distributed are in transmission through gears, and convex rings (803) are arranged at two ends of the transmission press rollers (802) above.
8. A compacting method for sodium ion battery pole piece production based on a compacting device for sodium ion battery pole piece according to claim 7, characterized by comprising the following steps:
Step S1: before a battery pole piece is extruded, an output shaft of a fourth servo motor (502) drives an oil removing roller (504) to contact a hot pressing roller (107) through a first sliding frame (501), the oil removing roller (504) dissolves and removes an oil film on the hot pressing roller (107), the fourth servo motor (502) drives the oil removing roller (504) to reset through the first sliding frame (501), an output shaft of a fifth servo motor (603) drives a third sliding frame (604) to slide upwards, and after the oil removing roller (504) is respectively attached to an oil storage shell (505) below, an electric push plate (506) is started to extrude oil dissolved in the oil removing roller (504) and discharge the oil into the oil storage shell (505);
step S2: when the unreeling device (103) unreels, the electric push rod (701) pushes the sliding support (702) to slide along the direction that the base (101) is close to the unreeling device (103), so that the unreeling angle of the unreeling device (103) to the battery pole piece is increased, and the tension of the battery pole piece is increased;
step S3: when a battery pole piece is compacted, the unreeling device (103) starts unreeling, the reeling device (102) starts reeling the battery pole piece, an output shaft of the first servo motor (105) drives the compacting roller (106) to rotate through a gear and a belt, the compacting roller (106) drives the hot pressing roller (107) to rotate through the gear and the belt, the battery pole piece sequentially passes through the compaction roller (106) and the hot pressing roller (107) which are in a linear array to be extruded, the extrusion distance between the compacting roller (106) and the hot pressing roller (107) which are in the linear array is sequentially reduced, the extrusion force born by the battery pole piece is sequentially increased, and meanwhile, when the hot pressing roller (107) rotates to extrude the battery pole piece, hot oil of the hot pressing roller (107) uniformly heats the battery pole piece;
Step S4: when the battery pole piece is extruded, an output shaft of the third servo motor (405) drives the first gear (406) to rotate, the first gear (406) rotates to drive the fixing frame (401) to slide downwards along the supporting frame (104) through the rack frame (407), and when the dust removing roller (403) is attached to the hot pressing roller (107), the dust removing roller (403) adsorbs dust on the hot pressing roller (107) and collects the dust to the electrostatic dust collection plate (404);
step S5: when the extrusion of the battery pole piece is finished, the battery pole piece enters a cold air box (302), cold air in the cold air box (302) reduces the temperature of the battery pole piece after the warm extrusion, meanwhile, an output shaft of a sixth servo motor (801) drives a transmission press roller (802) to rotate, the transmission press roller (802) rotates to drive convex rings (803) at two ends to rotate, the convex rings (803) are attached between the side edges of the battery pole piece and the side edges of the conductive coating, the battery pole piece is extruded, and extension force is applied to the side edges of the battery pole piece;
step S6: then when the winding device (102) is wound, the electric push rod (701) pushes the sliding support (702) to slide along the direction of the base (101) away from the winding device (102), the sliding support (702) slides to drive the tension roller (703) to synchronously slide, and the winding angle of a battery pole piece of the winding device (102) is reduced;
Step S7: after the battery pole piece extrusion is finished, the hot-pressing roller (107) needs to be subjected to rust prevention maintenance, an output shaft of the fourth servo motor (502) drives the second gear (503), the second gear (503) rotates to drive the second sliding frame (601) to slide along the supporting frame (104), the second sliding frame (601) slides to drive the oiling roller (602) to contact the hot-pressing roller (107), the oiling roller (602) coats the hot-pressing roller (107) to form an oil film, after oil coating is finished, the fourth servo motor (502) drives the second sliding frame (601) to reset, an output shaft of the fifth servo motor (603) drives the third sliding frame (604) to slide upwards along the supporting frame (104), and the third sliding frame (604) slides to drive the second sponge layer (6021) above the slag storage shell (605) to extrude, so that redundant oil is recovered into the slag storage shell (605).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310580437.6A CN116278117B (en) | 2023-05-23 | 2023-05-23 | Compaction device and method for sodium ion battery pole piece production |
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| CN209001019U (en) * | 2018-11-12 | 2019-06-18 | 肇庆市凯思特电池材料有限公司 | A kind of lithium manganate battery production pole piece cold press device |
| CN210628412U (en) * | 2019-11-26 | 2020-05-26 | 中国科学院宁波材料技术与工程研究所 | Manufacturing equipment for alkali metal composite cathode |
| CN214516159U (en) * | 2020-05-28 | 2021-10-29 | 东莞海裕百特智能装备有限公司 | Dust collector that battery sheet roll-in press was used |
| CN113793916A (en) * | 2021-08-13 | 2021-12-14 | 陈永江 | Continuous rolling device for lithium ion battery electrode |
| CN114023925A (en) * | 2021-11-03 | 2022-02-08 | 合肥国轩高科动力能源有限公司 | Preparation method of lithium-copper composite metal negative electrode |
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| CN209001019U (en) * | 2018-11-12 | 2019-06-18 | 肇庆市凯思特电池材料有限公司 | A kind of lithium manganate battery production pole piece cold press device |
| CN210628412U (en) * | 2019-11-26 | 2020-05-26 | 中国科学院宁波材料技术与工程研究所 | Manufacturing equipment for alkali metal composite cathode |
| CN214516159U (en) * | 2020-05-28 | 2021-10-29 | 东莞海裕百特智能装备有限公司 | Dust collector that battery sheet roll-in press was used |
| CN113793916A (en) * | 2021-08-13 | 2021-12-14 | 陈永江 | Continuous rolling device for lithium ion battery electrode |
| CN114023925A (en) * | 2021-11-03 | 2022-02-08 | 合肥国轩高科动力能源有限公司 | Preparation method of lithium-copper composite metal negative electrode |
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