CN114069021B - Bidirectional expansion type trimming equipment for lithium battery copper foil - Google Patents
Bidirectional expansion type trimming equipment for lithium battery copper foil Download PDFInfo
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- CN114069021B CN114069021B CN202111218775.2A CN202111218775A CN114069021B CN 114069021 B CN114069021 B CN 114069021B CN 202111218775 A CN202111218775 A CN 202111218775A CN 114069021 B CN114069021 B CN 114069021B
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- fixedly connected
- copper foil
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- guide rail
- plates
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 239000011889 copper foil Substances 0.000 title claims abstract description 87
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 39
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 26
- 238000009966 trimming Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000007790 scraping Methods 0.000 claims description 18
- 238000009499 grossing Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Electrolytic Production Of Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to the field of lithium battery copper foil, in particular to a bidirectional expansion type trimming device for a lithium battery copper foil. The technical problems of the invention are that: the edge of the copper foil is extremely easy to generate deformation phenomena such as cracking, curling, turning and the like, and the deformed copper foil cannot be trimmed due to rough steps in the existing processing process of the copper foil. The technical implementation scheme of the invention is as follows: a bi-directional expansion type trimming device for a lithium battery copper foil comprises a first supporting plate, a bearing table and the like; the upper parts of the two first support plates are fixedly connected with bearing tables. According to the invention, the expansion type bidirectional expansion of the copper foil which is bent and deformed at the left side and the right side of the lithium battery is realized, then, the copper foil which is bent and deformed at the front side and the rear side of the lithium battery is smoothed, and then, the copper foil which is expanded and deformed at the left side and the right side is expanded and cut off again, so that the deformation phenomena of cracking, curling, folding and the like of the copper foil are avoided, and the performance of the copper foil is greatly improved.
Description
Technical Field
The invention relates to the field of lithium battery copper foil, in particular to a bidirectional expansion type trimming device for a lithium battery copper foil.
Background
At present, in the prior art, surface pretreatment is required to be carried out on the lithium battery copper foil in the processing process of the lithium battery copper foil, but deformation phenomena such as cracking, curling, folding and the like are extremely easy to occur at the edge of the copper foil, and in the existing processing process of the copper foil, the step is rough, the deformed copper foil cannot be trimmed, so that the processing effect is poor, the utilization rate and the conductivity of the copper foil cannot be effectively improved, the charging and discharging efficiency is low, the interface resistance is high, and the cycle life of the copper foil is shortened.
In summary, there is a need to develop a bi-directional expansion trimming device for lithium battery copper foil to overcome the above-mentioned problems.
Disclosure of Invention
In order to overcome the defect that the edge of the copper foil is extremely easy to crack, turn up, turn over and other deformation phenomena, the step is rough in the existing processing process of the copper foil, and the deformed copper foil cannot be trimmed, the invention solves the technical problems that: a bi-directional expansion type trimming device for a lithium battery copper foil is provided.
The technical implementation scheme of the invention is as follows: the bidirectional expansion type trimming equipment for the lithium battery copper foil comprises a first supporting plate, a bearing table, a second supporting plate, an unfolding unit, a smoothing unit and a lifting unit; the upper parts of the two first support plates are fixedly connected with bearing tables; a second supporting plate is arranged behind the bearing table; an unfolding unit for bidirectionally unfolding the copper foil is arranged at the side of the bearing table; a smoothing unit is arranged on the lateral side of the unfolding unit; the upper part of the front side of the second supporting plate is connected with a lifting unit.
Further, the unfolding unit comprises a first fixing plate, a second fixing plate, a motor, a bidirectional screw rod, a sliding frame, a first connecting frame, an elastic piece, a scraping plate, a scraping knife, a rotating roller and a shovel knife; the front end and the rear end of the first fixed plate are fixedly connected with a cutting unit; the left side of the first fixed plate is provided with a second fixed plate; the front end and the rear end of the second fixing plate are fixedly connected with a cutting unit; a motor is arranged at the right part of the first fixed plate; the rear part of the first fixed plate is rotationally connected with a bidirectional screw rod; the left end part of the bidirectional screw rod is rotationally connected with the second fixed plate; an output shaft at the left part of the motor is fixedly connected with a bidirectional screw rod; a sliding rod is fixedly connected to the front part of the second fixing plate; the left end part of the sliding rod is fixedly connected with the second fixing plate; two sliding frames are screwed on the outer surface of the bidirectional screw rod; both sliding frames are in sliding connection with the sliding rod; the upper parts of the two sliding frames are fixedly connected with a first connecting frame; three elastic pieces are fixedly connected at equal intervals in the middle of the two first connecting frames; the upper parts of the left three elastic pieces are fixedly connected with scraping plates; the upper parts of the right three elastic pieces are fixedly connected with scraping plates; the opposite sides of the two scraping plates are rotationally connected with one scraping plate; the upper parts of the two first connecting frames are fixedly connected with a rotating roller; and a scraper knife is fixedly connected on the opposite sides of the two rotating rollers.
Further, the upper edge portions of the two squeegees are provided in a zigzag shape for expanding the copper foil.
Further, torsion springs are arranged at the joints of the two scrapers and used for rotating and resetting the two scrapers.
Further, the leveling unit comprises a first L-shaped plate, a second L-shaped plate, a first guide rail, a first electric sliding block, a first connecting rod, a first arc-shaped block, a third L-shaped plate, a fourth L-shaped plate, a second guide rail, a second electric sliding block, a second connecting rod and a second arc-shaped block; a second L-shaped plate is arranged at the left side of the first L-shaped plate; the opposite sides of the upper parts of the first L-shaped plate and the second L-shaped plate are fixedly connected with a first guide rail; the lower surface of the first guide rail is connected with a first electric sliding block in a sliding way; the lower surface of the first electric sliding block is fixedly connected with a first connecting rod; the lower surface of the first connecting rod is fixedly connected with a first arc-shaped block; a third L-shaped plate is arranged behind the first L-shaped plate; a fourth L-shaped plate is arranged at the left side of the third L-shaped plate; the opposite sides of the upper parts of the third L-shaped plate and the fourth L-shaped plate are fixedly connected with second guide rails; the lower surface of the second guide rail is connected with a second electric sliding block in a sliding way; the lower surface of the second electric sliding block is fixedly connected with a second connecting rod; the lower surface of the second connecting rod is fixedly connected with a second arc-shaped block.
Further, the outer edge parts of the first arc-shaped block and the second arc-shaped block are inclined planes, so that the copper foil can be conveniently and smoothly inserted into the copper foil, and the bent and deformed copper foil is smoothed.
Further, the lifting unit comprises a third supporting frame, a first groove plate, a third fixing plate, a third guide rail, a third electric sliding block, a second connecting frame, a second groove plate, a round tube, a first spring, a fourth fixing plate, a wedge plate, a round rod, a second spring and a triangular convex block; the upper part of the third supporting frame is fixedly connected with two first groove plates; the upper parts of the two first groove plates are fixedly connected with a third fixing plate; a third guide rail is fixedly connected to the upper part of the opposite sides of the third fixing plate and the second support plate; the lower surface of the third guide rail is connected with a third electric sliding block in a sliding way; the lower surface of the third electric sliding block is fixedly connected with a second connecting frame; two second groove plates are fixedly connected to the lower end part of the second connecting frame; the middle parts of the two second groove plates are both connected with a round pipe in a sliding way; the front parts of the two round tubes are in sliding connection with the two first groove plates; the opposite sides of the two second groove plates are fixedly connected with a fourth fixing plate; the front parts of the two fourth fixing plates are both connected with a round rod in a sliding way; the end parts of the two round rods are fixedly connected with a wedge-shaped plate; the outer sides of the two round tubes are sleeved with a first spring, one end of the two first springs is fixedly connected with the two wedge-shaped plates, and the other end of the two first springs is fixedly connected with the two first groove plates; the two wedge plates are respectively connected with the two round tubes in a sliding way; the outer sides of the two round rods are sleeved with a second spring, one ends of the two second springs are fixedly connected with the two fourth fixing plates, and the other ends of the two second springs are fixedly connected with the two wedge-shaped plates; the rear end of the upper part of the third support frame is fixedly connected with a triangular lug.
Further, the front ends of the two circular tubes are arranged in a conical shape and used for smoothly penetrating through the lower surface of the copper foil.
Further, the cutting device also comprises a cutting unit, wherein the cutting unit comprises a fourth supporting frame, a fourth guide rail, a fourth electric sliding block, a first electric push rod, a first cutter, a fifth supporting frame, a fifth guide rail, a fifth electric sliding block, a second electric push rod and a second cutter; the lower part of the fourth supporting frame is fixedly connected with the second fixing plate; a fifth supporting frame is arranged on the right of the fourth supporting frame; the fifth supporting frame is fixedly connected with the first fixing plate; the upper part of the fourth supporting frame is fixedly connected with a fourth guide rail; the lower surface of the fourth guide rail is connected with a fourth electric sliding block in a sliding way; the lower surface of the fourth electric sliding block is fixedly connected with a first electric push rod; the lower end part of the first electric push rod is fixedly connected with a first cutter; the upper part of the fifth supporting frame is fixedly connected with a fifth guide rail; the lower surface of the fifth guide rail is connected with a fifth electric sliding block in a sliding way; the lower surface of the fifth electric sliding block is fixedly connected with a second electric push rod; the lower end part of the second electric push rod is fixedly connected with a second cutter.
The invention has the advantages that: according to the invention, the expansion type bidirectional expansion of the copper foil which is bent and deformed at the left side and the right side of the lithium battery is realized, then, the copper foil which is bent and deformed at the front side and the rear side of the lithium battery is smoothed, and then, the copper foil which is expanded and deformed at the left side and the right side is expanded and cut off again, so that the deformation phenomena of cracking, curling, folding and the like of the copper foil are avoided, and the performance of the copper foil is greatly improved.
Drawings
FIG. 1 shows a schematic view of a first perspective construction of a bi-directional expansion trimming device for a lithium battery copper foil according to the present invention;
FIG. 2 is a schematic view showing a second perspective construction of a bi-directional expansion type trimming device for a copper foil of a lithium battery according to the present invention;
FIG. 3 is a schematic view showing a first perspective construction of a developing unit of a bi-directional expanding type trimming device for a copper foil of a lithium battery according to the present invention;
FIG. 4 is a schematic view showing a second perspective construction of a developing unit of a bi-directional expanding type trimming device for a copper foil of a lithium battery according to the present invention;
FIG. 5 is a schematic view showing a third perspective construction of a developing unit of a bi-directional expanding type trimming device for a copper foil of a lithium battery according to the present invention;
FIG. 6 is a schematic diagram showing a schematic perspective view of a smoothing unit of a bi-directional expansion type trimming device for a lithium battery copper foil according to the present invention;
FIG. 7 is a schematic view showing a first perspective construction of a picking unit of a bi-directional expansion type trimming device for a lithium battery copper foil according to the present invention;
FIG. 8 is a schematic view showing a second perspective construction of a picking unit of a bi-directional expansion type trimming device for a lithium battery copper foil according to the present invention;
Fig. 9 is a schematic view showing a perspective construction of a cutting unit of a bi-directional expansion type trimming device for a lithium battery copper foil according to the present invention.
Reference numerals: 1-a first supporting plate, 2-a bearing table, 3-a second supporting plate, 201-a first fixing plate, 202-a second fixing plate, 203-a motor, 204-a bidirectional screw rod, 205-a slide bar, 206-a sliding frame, 207-a first connecting frame, 208-an elastic member, 209-a scraper, 210-a scraper, 211-a rotating roller, 212-a scraper, 301-a first L-shaped plate, 302-a second L-shaped plate, 303-a first guide rail, 304-a first electric slide block, 305-a first connecting rod, 306-a first arc-shaped block, 307-a third L-shaped plate, 308-a fourth L-shaped plate, 309-a second guide rail, 310-a second electric slide block, 311-a second connecting rod, 312-a second arc-shaped block, 401-third supporting frame, 402-first slot plate, 403-third fixed plate, 404-third guide rail, 405-third electric slide block, 406-second connecting frame, 407-second slot plate, 408-round tube, 409-first spring, 410-fourth fixed plate, 411-wedge plate, 412-round bar, 413-second spring, 414-triangular bump, 501-fourth supporting frame, 502-fourth guide rail, 503-fourth electric slide block, 504-first electric push rod, 505-first cutter, 506-fifth supporting frame, 507-fifth guide rail, 508-fifth electric slide block, 509-second electric push rod, 510-second cutter.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1
The bidirectional expansion type trimming equipment for the lithium battery copper foil comprises a first supporting plate 1, a bearing table 2, a second supporting plate 3, an unfolding unit, a smoothing unit and a lifting unit according to the figures 1-2; the upper parts of the two first support plates 1 are fixedly connected with bearing tables 2; a second supporting plate 3 is arranged behind the bearing table 2; an unfolding unit is arranged at the side of the bearing table 2; a smoothing unit is arranged on the lateral side of the unfolding unit; the upper part of the front side of the second support plate 3 is connected with a lifting unit.
During operation, the lithium battery with the copper foil on the surface is placed on the upper surface of the bearing table 2, then the copper foil which is bent and deformed at the left side and the right side of the lithium battery is expanded in two directions through the operation of the expanding unit, then the copper foil which is bent and deformed at the front side and the rear side of the lithium battery is flattened by the flattening unit, and then the copper foil which is expanded by the expanding unit is expanded outwards again by the lifting unit.
Example 2
On the basis of embodiment 1, according to fig. 3 to 8, the unfolding unit comprises a first fixing plate 201, a second fixing plate 202, a motor 203, a bidirectional screw rod 204, a sliding rod 205, a sliding frame 206, a first connecting frame 207, an elastic piece 208, a scraping plate 209, a scraping knife 210, a rotating roller 211 and a shovel blade 212; the front end and the rear end of the first fixing plate 201 are fixedly connected with cutting units; the left side of the first fixing plate 201 is provided with a second fixing plate 202; the front end and the rear end of the second fixing plate 202 are fixedly connected with cutting units; the right part of the first fixed plate 201 is provided with a motor 203; the rear part of the first fixing plate 201 is rotatably connected with a bidirectional screw rod 204; the left end part of the bidirectional screw rod 204 is rotationally connected with the second fixed plate 202; the left output shaft of the motor 203 is fixedly connected with a bidirectional screw rod 204; a sliding rod 205 is fixedly connected to the front part of the second fixed plate 202; the left end part of the sliding rod 205 is fixedly connected with the second fixing plate 202; two sliding frames 206 are screwed on the outer surface of the bidirectional screw rod 204; both sliding frames 206 are slidably connected with the sliding rod 205; a first connecting frame 207 is fixedly connected to the upper parts of the two sliding frames 206; three elastic pieces 208 are fixedly connected in the middle of the two first connecting frames 207 at equal intervals; the upper parts of the left three elastic pieces 208 are fixedly connected with scraping plates 209; the upper parts of the right three elastic pieces 208 are fixedly connected with scraping plates 209; the opposite sides of the two scraping plates 209 are rotatably connected with a scraping plate 210; the upper parts of the two first connecting frames 207 are fixedly connected with a rotating roller 211; and a scraper knife 212 is fixedly connected to the opposite sides of the two rotating rollers 211.
The upper edge portions of the two squeegees 209 are provided in a zigzag shape for expanding the copper foil.
Torsion springs are arranged at the joints of the two scrapers 209 and the two scrapers 210 and used for rotating and resetting the two scrapers 210.
The smoothing unit comprises a first L-shaped plate 301, a second L-shaped plate 302, a first guide rail 303, a first electric sliding block 304, a first connecting rod 305, a first arc-shaped block 306, a third L-shaped plate 307, a fourth L-shaped plate 308, a second guide rail 309, a second electric sliding block 310, a second connecting rod 311 and a second arc-shaped block 312; a second L-shaped plate 302 is arranged on the left side of the first L-shaped plate 301; the first guide rail 303 is fixedly connected to the opposite sides of the upper parts of the first L-shaped plate 301 and the second L-shaped plate 302; the lower surface of the first guide rail 303 is connected with a first electric sliding block 304 in a sliding manner; the lower surface of the first electric sliding block 304 is fixedly connected with a first connecting rod 305; the lower surface of the first connecting rod 305 is fixedly connected with a first arc-shaped block 306; a third L-shaped plate 307 is provided behind the first L-shaped plate 301; a fourth L-shaped plate 308 is provided to the left of the third L-shaped plate 307; the second guide rail 309 is fixedly connected to the upper opposite sides of the third L-shaped plate 307 and the fourth L-shaped plate 308; the lower surface of the second guide rail 309 is slidably connected with a second electric sliding block 310; the lower surface of the second electric sliding block 310 is fixedly connected with a second connecting rod 311; the lower surface of the second connecting rod 311 is fixedly connected with a second arc-shaped block 312.
The outer edge portions of the first arc-shaped block 306 and the second arc-shaped block 312 are inclined surfaces, so that the copper foil can be conveniently and smoothly inserted into the copper foil, and the bent and deformed copper foil is smoothed.
The picking unit comprises a third supporting frame 401, a first slot plate 402, a third fixing plate 403, a third guide rail 404, a third electric sliding block 405, a second connecting frame 406, a second slot plate 407, a round tube 408, a first spring 409, a fourth fixing plate 410, a wedge plate 411, a round rod 412, a second spring 413 and a triangular bump 414; the upper part of the third support frame 401 is fixedly connected with two first groove plates 402; a third fixing plate 403 is fixedly connected to the upper parts of the two first groove plates 402; a third guide rail 404 is fixedly connected to the upper part of the opposite side of the third fixing plate 403 and the second support plate 3; the lower surface of the third guide rail 404 is connected with a third electric sliding block 405 in a sliding way; a second connecting frame 406 is fixedly connected to the lower surface of the third electric sliding block 405; two second groove plates 407 are fixedly connected to the lower end parts of the second connecting frames 406; the middle parts of the two second groove plates 407 are respectively connected with a round tube 408 in a sliding way; the front parts of the two round tubes 408 are in sliding connection with the two first groove plates 402; a fourth fixing plate 410 is fixedly connected to the opposite sides of the two second slot plates 407; a round bar 412 is slidably connected to the front portions of the two fourth fixing plates 410; the end parts of the two round rods 412 are fixedly connected with a wedge-shaped plate 411; the outer sides of the two round tubes 408 are respectively sleeved with a first spring 409, one end of each first spring 409 is fixedly connected with the two wedge-shaped plates 411, and the other end of each first spring 409 is fixedly connected with the two first groove plates 402; the two wedge plates 411 are respectively connected with the two round tubes 408 in a sliding way; the outer sides of the two round rods 412 are respectively sleeved with a second spring 413, one ends of the two second springs 413 are fixedly connected with the two fourth fixing plates 410, and the other ends of the two second springs 413 are fixedly connected with the two wedge-shaped plates 411; the triangular bump 414 is fixedly connected to the rear end of the upper portion of the third support frame 401.
The front ends of the two circular tubes 408 are tapered for smooth penetration through the lower surface of the copper foil.
When the lithium battery with copper foil on the surface is put on the upper surface of the bearing table 2, at the moment, the outer edges of the left side and the right side of the copper foil pass through the left side and the right side of the bearing table 2, two scrapers 209 and two scrapers 210 are tightly attached to the upper surface of the copper foil, then, an output shaft started positively by a motor 203 drives a bidirectional screw rod 204 to rotate, the bidirectional screw rod 204 rotates to drive two sliding frames 206 to move reversely along a sliding rod 205, and then drives two first connecting frames 207 to move, namely six elastic pieces 208 are driven to move, three elastic pieces 208 move to drive the scrapers 209 to move, the scrapers 209 move to drive the scrapers 210 to move, namely, the two scrapers 209 and the two scrapers 210 move reversely, meanwhile, the two first connecting frames 207 move to drive two rotating rollers 211 to move reversely, the two scrapers 212 move reversely, and further the copper foil bent and deformed at the left side and the right side of the lithium battery is expanded bidirectionally;
Then, the first electric sliding block 304 starts to move along the first guide rail 303, at this time, the upper surfaces of the first arc-shaped block 306 and the second arc-shaped block 312 are both in contact with the lower surface of the copper foil bent and deformed at the front side and the rear side of the lithium battery, the first electric sliding block 304 moves to drive the first connecting rod 305 to move, the first connecting rod 305 moves to drive the first arc-shaped block 306 to move so as to smooth the copper foil bent and deformed at the front side, meanwhile, the second electric sliding block 310 starts to move along the second guide rail 309, the second electric sliding block 310 moves to drive the second connecting rod 311 to move, the second connecting rod 311 moves to drive the second arc-shaped block 312 to move so as to smooth the copper foil bent and deformed at the front side and the rear side of the lithium battery;
Then, the third electric slider 405 is started to move along the third guide rail 404, the third electric slider 405 moves to drive the second connecting frame 406 to move, the second connecting frame 406 moves to drive the two second slot plates 407 to move forward, the two second slot plates 407 move to drive the two round tubes 408 to move, and then the two round tubes 408 penetrate into the lower surfaces of the copper foils which are expanded at the left side and the right side, meanwhile, the two second slot plates 407 move to drive the two fourth fixing plates 410 to move, the two fourth fixing plates 410 move to drive the two wedge plates 411 to move, and then the two wedge plates 411 move to squeeze the two first springs 409, when the two wedge plates 411 move to touch the triangular convex blocks 414, the two wedge plates 411 are squeezed to move oppositely, and then the two round rods 412 are driven to move to squeeze the two second springs 413, and simultaneously, the two wedge plates 411 move to drive the two round tubes 408 to move oppositely, and then the copper foils which are expanded at the left side and the right side and the two copper foils are expanded at the left side and the right side are expanded outwards again.
Example 3
On the basis of embodiment 2, according to fig. 1 and 9, the cutting device further comprises a cutting unit, wherein the cutting unit comprises a fourth supporting frame 501, a fourth guide rail 502, a fourth electric sliding block 503, a first electric push rod 504, a first cutter 505, a fifth supporting frame 506, a fifth guide rail 507, a fifth electric sliding block 508, a second electric push rod 509 and a second cutter 510; the lower part of the fourth supporting frame 501 is fixedly connected with the second fixing plate 202; a fifth supporting frame 506 is arranged on the right of the fourth supporting frame 501; the fifth supporting frame 506 is fixedly connected with the first fixing plate 201; a fourth guide rail 502 is fixedly connected to the upper part of the fourth support frame 501; the lower surface of the fourth guide rail 502 is connected with a fourth electric slider 503 in a sliding way; the lower surface of the fourth electric slider 503 is fixedly connected with a first electric push rod 504; the lower end part of the first electric push rod 504 is fixedly connected with a first cutter 505; a fifth guide rail 507 is fixedly connected to the upper part of the fifth support 506; the lower surface of the fifth guide rail 507 is connected with a fifth electric sliding block 508 in a sliding way; the lower surface of the fifth electric sliding block 508 is fixedly connected with a second electric push rod 509; a second cutter 510 is fixedly connected to the lower end of the second electric push rod 509.
When the copper foil cutting machine works, the secondarily-expanded copper foil is positioned below the first cutter 505 and the second cutter 510, then the first electric push rod 504 is started to drive the first cutter 505 to move downwards to the side part close to the copper foil, the second electric push rod 509 is started to drive the second cutter 510 to move downwards to the side part close to the copper foil, then the fourth electric slide block 503 is started to move along the fourth guide rail 502, the fourth electric slide block 503 is started to drive the first electric push rod 504 to move, the first electric push rod 504 is started to drive the first cutter 505 to move, further the copper foil with left redundant bending deformation is cut off, meanwhile, the fifth electric slide block 508 is started to move along the fifth guide rail 507, the fifth electric slide block 508 is started to drive the second electric push rod 509 to move, the second electric push rod 509 is started to move, further the copper foil with right redundant bending deformation is cut off, and further the copper foil with left redundant bending deformation and right redundant bending deformation is cut off.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (6)
1. A bi-directional expansion type trimming device for a lithium battery copper foil comprises a first supporting plate, a bearing table and a second supporting plate; the upper parts of the two first support plates are fixedly connected with bearing tables; a second supporting plate is arranged behind the bearing table; the method is characterized in that: the device also comprises an unfolding unit, a smoothing unit and a lifting unit; an unfolding unit for bidirectionally unfolding the copper foil is arranged at the side of the bearing table; a smoothing unit is arranged on the lateral side of the unfolding unit; the upper part of the front side of the second supporting plate is connected with a lifting unit;
the unfolding unit comprises a first fixed plate, a second fixed plate, a motor, a bidirectional screw rod, a sliding frame, a first connecting frame, an elastic piece, a scraping plate, a scraper, a rotating roller and a shovel blade; the front end and the rear end of the first fixed plate are fixedly connected with a cutting unit; the left side of the first fixed plate is provided with a second fixed plate; the front end and the rear end of the second fixing plate are fixedly connected with a cutting unit; a motor is arranged at the right part of the first fixed plate; the rear part of the first fixed plate is rotationally connected with a bidirectional screw rod; the left end part of the bidirectional screw rod is rotationally connected with the second fixed plate; an output shaft at the left part of the motor is fixedly connected with a bidirectional screw rod; a sliding rod is fixedly connected to the front part of the second fixing plate; the left end part of the sliding rod is fixedly connected with the second fixing plate; two sliding frames are screwed on the outer surface of the bidirectional screw rod; both sliding frames are in sliding connection with the sliding rod; the upper parts of the two sliding frames are fixedly connected with a first connecting frame; three elastic pieces are fixedly connected at equal intervals in the middle of the two first connecting frames; the upper parts of the left three elastic pieces are fixedly connected with scraping plates; the upper parts of the right three elastic pieces are fixedly connected with scraping plates; the opposite sides of the two scraping plates are rotationally connected with one scraping plate; the upper parts of the two first connecting frames are fixedly connected with a rotating roller; a scraper knife is fixedly connected on the opposite sides of the two rotating rollers;
The smoothing unit comprises a first L-shaped plate, a second L-shaped plate, a first guide rail, a first electric sliding block, a first connecting rod, a first arc-shaped block, a third L-shaped plate, a fourth L-shaped plate, a second guide rail, a second electric sliding block, a second connecting rod and a second arc-shaped block; a second L-shaped plate is arranged at the left side of the first L-shaped plate; the opposite sides of the upper parts of the first L-shaped plate and the second L-shaped plate are fixedly connected with a first guide rail; the lower surface of the first guide rail is connected with a first electric sliding block in a sliding way; the lower surface of the first electric sliding block is fixedly connected with a first connecting rod; the lower surface of the first connecting rod is fixedly connected with a first arc-shaped block; a third L-shaped plate is arranged behind the first L-shaped plate; a fourth L-shaped plate is arranged at the left side of the third L-shaped plate; the opposite sides of the upper parts of the third L-shaped plate and the fourth L-shaped plate are fixedly connected with second guide rails; the lower surface of the second guide rail is connected with a second electric sliding block in a sliding way; the lower surface of the second electric sliding block is fixedly connected with a second connecting rod; the lower surface of the second connecting rod is fixedly connected with a second arc-shaped block;
The lifting unit comprises a third support frame, a first groove plate, a third fixed plate, a third guide rail, a third electric sliding block, a second connecting frame, a second groove plate, a circular tube, a first spring, a fourth fixed plate, a wedge plate, a circular rod, a second spring and a triangular lug; the upper part of the third supporting frame is fixedly connected with two first groove plates; the upper parts of the two first groove plates are fixedly connected with a third fixing plate; a third guide rail is fixedly connected to the upper part of the opposite sides of the third fixing plate and the second support plate; the lower surface of the third guide rail is connected with a third electric sliding block in a sliding way; the lower surface of the third electric sliding block is fixedly connected with a second connecting frame; two second groove plates are fixedly connected to the lower end part of the second connecting frame; the middle parts of the two second groove plates are both connected with a round pipe in a sliding way; the front parts of the two round tubes are in sliding connection with the two first groove plates; the opposite sides of the two second groove plates are fixedly connected with a fourth fixing plate; the front parts of the two fourth fixing plates are both connected with a round rod in a sliding way; the end parts of the two round rods are fixedly connected with a wedge-shaped plate; the outer sides of the two round tubes are sleeved with a first spring, one end of the two first springs is fixedly connected with the two wedge-shaped plates, and the other end of the two first springs is fixedly connected with the two first groove plates; the two wedge plates are respectively connected with the two round tubes in a sliding way; the outer sides of the two round rods are sleeved with a second spring, one ends of the two second springs are fixedly connected with the two fourth fixing plates, and the other ends of the two second springs are fixedly connected with the two wedge-shaped plates; the rear end of the upper part of the third support frame is fixedly connected with a triangular lug.
2. The bi-directional expansion trimming device for copper foil of lithium battery according to claim 1, wherein: the upper edge parts of the two scraping plates are arranged in a saw-tooth shape and are used for expanding the copper foil.
3. The bi-directional expansion trimming device for copper foil of lithium battery according to claim 1, wherein: torsion springs are arranged at the joints of the two scrapers and used for rotating and resetting the two scrapers.
4. A bi-directional expansion trimming device for copper foil of lithium battery according to claim 3, wherein: the outer edge parts of the first arc-shaped block and the second arc-shaped block are all provided with inclined planes, so that the copper foil can be conveniently and smoothly inserted into the copper foil, and further the bent and deformed copper foil is smoothed.
5. The bi-directional expansion trimming device for copper foil of lithium battery according to claim 4, wherein: the front ends of the two circular tubes are arranged in a conical shape and used for smoothly penetrating through the lower surface of the copper foil.
6. The bi-directional expansion trimming device for copper foil of lithium battery according to claim 5, wherein: the cutting unit comprises a fourth supporting frame, a fourth guide rail, a fourth electric sliding block, a first electric push rod, a first cutter, a fifth supporting frame, a fifth guide rail, a fifth electric sliding block, a second electric push rod and a second cutter; the lower part of the fourth supporting frame is fixedly connected with the second fixing plate; a fifth supporting frame is arranged on the right of the fourth supporting frame; the fifth supporting frame is fixedly connected with the first fixing plate; the upper part of the fourth supporting frame is fixedly connected with a fourth guide rail; the lower surface of the fourth guide rail is connected with a fourth electric sliding block in a sliding way; the lower surface of the fourth electric sliding block is fixedly connected with a first electric push rod; the lower end part of the first electric push rod is fixedly connected with a first cutter; the upper part of the fifth supporting frame is fixedly connected with a fifth guide rail; the lower surface of the fifth guide rail is connected with a fifth electric sliding block in a sliding way; the lower surface of the fifth electric sliding block is fixedly connected with a second electric push rod; the lower end part of the second electric push rod is fixedly connected with a second cutter.
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| CN114406337A (en) * | 2022-03-09 | 2022-04-29 | 河南英邦冷弯科技有限公司 | Quick shearing device for cold roll forming workpiece |
| CN115609710B (en) * | 2022-10-11 | 2023-07-21 | 江西德上制药股份有限公司 | Yellow Bai Pian preparation and processing method and device thereof |
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| CN101573477A (en) * | 2006-12-28 | 2009-11-04 | 日矿金属株式会社 | Roll unit for use in surface treatment of copper foil |
| CN211134722U (en) * | 2019-12-17 | 2020-07-31 | 陈诺婷 | Leveling device is used in copper foil production |
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