CN114523018B - Electricity core mass flow body terminal surface leveling device - Google Patents
Electricity core mass flow body terminal surface leveling device Download PDFInfo
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- CN114523018B CN114523018B CN202210152958.7A CN202210152958A CN114523018B CN 114523018 B CN114523018 B CN 114523018B CN 202210152958 A CN202210152958 A CN 202210152958A CN 114523018 B CN114523018 B CN 114523018B
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- Prior art keywords
- leveling
- rotary
- bowl
- current collector
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
- B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
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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)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention provides a device for leveling the end surface of a current collector of an electric core, which relates to the field of battery processing and comprises: rotating the bowl and the plate; the leveling wheels are annularly arranged on the rotary bowl plate; the ejector pin is arranged at the center of the rotary bowl plate, and the rotary bowl plate rotates along with the ejector pin; angle modulation structure, including adjusting element and connecting element, connecting element one end with adjusting element connects, the other end with the flattening wheel is connected, the adjusting element pulling the flattening wheel swing with adjust the flattening wheel with the contained angle of thimble, in this application, adopt the flattening wheel to rub the tie to the terminal surface of electric core, because the existence of thimble, in rubbing flat in-process, the thimble discrepancy electric core center department hollow structure in, avoided traditional hollow structure who rubs flat in-process and cause because of the extrusion to collapse, the electrolyte is injected into to the electric core in the later stage of being convenient for.
Description
Technical Field
The invention relates to the field of battery processing, in particular to a device for leveling the end surface of a current collector of an electric core.
Background
In the manufacturing process of the full-lug or non-lug battery, the current collector of the battery cell needs to be subjected to end surface leveling treatment. The current collector end face leveling treatment is to tightly press the original vertical loose current collector, so that each current collector is in close contact with each other, and a compact plane is pressed simultaneously, thereby achieving good current collection effect and facilitating subsequent epitaxial welding work. At present, the leveling modes of the current collector are mainly divided into two modes of mechanical leveling and ultrasonic leveling. Wherein, the mass flow body is gathered in the mode flattening that current mechanical flattening mode was mostly fed through direct axial or radial spinning, and the present shortcoming of this mode is the mass flow body flattening back, and the flattening plane outside that the mass flow body formed all can be greater than original mass flow body plane, influences the contact effect of the mass flow body in the outside, reduces the mass flow effect, and central point puts also by the closely knit packing of mass flow body moreover, influences the smooth entering of electrolyte. The mode that the ultrasonic wave was rubbed flatly can lead to the mass flow body to be shaken garrulously, and the mass flow body itself is the conductive metal material, and the piece gets into and can have the potential safety hazard in the electric core inside. In addition, in the existing battery cell kneading and leveling treatment, a one-time extrusion forming mode is adopted, so that the battery cell is easy to deform, and the rejection rate is high.
Disclosure of Invention
The invention provides a device for flattening the end surface of a current collector of a battery core, and aims to solve the problems pointed out in the prior art.
In order to achieve the above object, an embodiment of the present invention provides a device for flattening an end surface of a current collector of a battery cell, including:
rotating the bowl and the dish;
the leveling wheels are annularly arranged on the rotary bowl plate;
the ejector pin is arranged at the center of the rotary bowl plate, and the rotary bowl plate rotates along with the ejector pin;
the angle adjusting structure comprises an adjusting element and a connecting element, one end of the connecting element is connected with the adjusting element, the other end of the connecting element is connected with the leveling wheel, and the adjusting element pulls the leveling wheel to swing so as to adjust the included angle between the leveling wheel and the ejector pin.
Preferably, the flattening wheel is including rubbing the flat portion, rub the flat portion and be conical, rub the direction setting of the microcephaly end orientation rotatory bowl dish center of flat portion, rub the flat portion and be used for rubbing flat the terminal surface of mass flow body, the flattening wheel still includes the extrusion portion, the extrusion portion sets up rub the microcephaly end of flat portion, the extrusion portion is cylindricly, the extrusion portion sets up on the inner wall of rotatory bowl dish.
Preferably, rotatory bowl dish is provided with a plurality of through-holes on the lateral wall, and a plurality of through-holes are the annular and arrange, the through-hole goes out to be provided with articulated seat, articulated seat with connecting element is articulated, connecting element with the centre of a circle of extrusion portion is connected.
Preferably, the device for leveling the end surface of the current collector of the battery cell further comprises a fixing clamp for fixing the battery cell, and the fixing clamp and/or the rotating bowl and the rotating bowl reciprocate along the length direction of the ejector pin.
Preferably, the electric core current collector end surface leveling device further comprises a dust collection structure, the dust collection structure comprises a dust collection cover, the dust collection cover is arranged outside the rotary bowl plate, the dust collection cover is connected with a dust collection pipe, and the other end of the dust collection pipe is connected with a dust collector.
Preferably, the adjusting element is an angle adjusting motor or a cylinder.
Preferably, the connecting part of the flattening part and the squeezing part is provided with an internal corner.
Preferably, the height of the rotary bowl and the rotary plate is smaller than that of the dust hood, and the rotary bowl and the rotary plate are arranged in the dust hood.
Preferably, the thimble includes end to end's drive section, transmission section and pierces the section, the drive section is used for connecting driving motor, the transmission section with rotatory bowl dish fixed connection, it is the awl point form towards the direction of electric core to pierce the section.
The scheme of the invention has the following beneficial effects:
in this application, adopt the flattening wheel to rub the tie to the terminal surface of electric core, because the existence of thimble, rubbing flat in-process, in the hollow structure of electric core center department was come in and go out to the thimble, avoided traditional rubbing flat in-process because of the hollow structure that the extrusion caused collapses, the electrolyte is annotated to the electric core in the later stage of being convenient for.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a structural schematic diagram of a rotary bowl and a rotary plate.
[ description of reference ]
1-battery core, 2-fixing clamp, 3-leveling wheel, 4-rotating bowl and plate, 5-connecting element, 6-adjusting element, 7-thimble, 8-dust hood, 9-dust pipe, 10-dust collector, 31-leveling part and 32-extruding part.
Detailed Description
To make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, an embodiment of the present invention provides a cell current collector end surface leveling device, which includes a rotating bowl plate 4, leveling wheels 3, ejector pins 7, and an angle adjusting structure, wherein a plurality of leveling wheels 3 are annularly disposed on an inner wall of the rotating bowl plate 4, the ejector pins 7 are disposed at a center of the rotating bowl plate 4, and the rotating bowl plate 4 is driven by the ejector pins 7 to rotate to perform a rotation motion. The flattening wheel 3 comprises a flattening part 31 and a pressing part 32, wherein the flattening part 31 is used for flattening by contacting with the end surface of the current collector, the pressing part 32 is used for contacting with and pressing the side wall of the battery cell 1, and deformation of the battery cell 1 in the flattening process is prevented, specifically, the flattening part 31 is conical, the small end of the flattening part 31 is arranged towards the center direction of the rotating bowl plate 4, the pressing part 32 is cylindrical, the pressing part 32 is arranged at the large end of the flattening part 31, and the pressing part 32 and the flattening part 31 are coaxially arranged. The angle modulation structure is used for adjusting the contained angle between leveling wheel 3 and thimble 7 so that at the in-process of rubbing flat, leveling wheel 3 can be in proper order progressively rub flat to the mass flow body terminal surface, is different from current leveling device once only taking shape, and the multi-angle is rubbed flat and is made the terminal surface level and smooth and tight reality.
Further, the side wall of the rotary bowl and dish 4 is provided with a plurality of through holes which are annularly arranged, and a hinge seat is arranged at the through holes, preferably, the hinge seat is arranged on the outer wall of the rotary bowl and dish 4; the angle adjusting structure comprises an adjusting element 6 and a connecting element 5, the connecting element 5 is hinged on the hinged base, one end of the connecting element 5 is connected with the circle center of the extrusion part 32, the other end of the connecting element 5 is connected with the adjusting element 6, and the adjusting element 6 rotates on the hinged base through the connecting element 5 to adjust the included angle between the leveling wheel 3 and the ejector pin 7.
The utility model provides an electricity core mass flow body terminal surface leveling device still includes mounting fixture 2, and mounting fixture 2 is used for centre gripping electric core 1, and mounting fixture 2 and/or rotatory bowl dish 4 can be along the length direction reciprocating motion of thimble 7 for produce enough big pressure between electric core 1 and the leveling wheel 3 and rub the flat portion 31 with the assurance and rub the tie to the mass flow body terminal surface.
Further, an inside corner is formed at the junction of the flattened part 31 and the pressing part 32, and the inside corner prevents the edge of the end surface of the current collector from turning outward.
The electric core current collector end surface leveling device further comprises a dust collection structure, the dust collection structure comprises a dust collection cover 8, the dust collection cover 8 is arranged outside the rotary bowl plate 4, the dust collection cover 8 is connected with a dust collection pipe 9, and the other end of the dust collection pipe 9 is connected with a dust collector 10. Preferably, the dust hood 8 is circular, and the dust suction pipe 9 is used for collecting metal dust in the dust hood 8.
Furthermore, the height of the rotary bowl and plate 4 is smaller than that of the dust hood 8, so that the rotary bowl and plate 4 can be hidden in the dust hood 8, and metal chips are prevented from falling and being not easy to collect in the kneading and flattening process.
In this application, along with the removal of rotary disk and/or mounting fixture 2, leveling wheel 3 rubs the tie to electric core 1, and thimble 7 can insert electric core 1's hollow structure just in, rubs the in-process that levels and produces the holding power to hollow structure, prevents that hollow structure from collapsing, and inconvenient subsequent electrolyte is poured into. Angle regulation structure angle of adjustment for the leveling wheel 3 is rubbed with different angles to electric core 1 and is equallyd level, rubs flat in-process many times, can control the degree of compactness of 1 terminal surface of electric core on the one hand, and on the other hand, through rubbing flat technology many times makes electric core 1 be difficult to take place to warp, avoids current to rub flat device and leads to the fact electric core 1 atress too big because of adopting once to rub flat, causes electric core 1 lateral wall to take place to deform, has lower disability rate.
Further, in the kneading and flattening process, the metal chips generated by friction between the leveling wheel 3 and the current collector are covered by the dust hood 8 and are sucked away and collected by the dust collector 10, so that the metal chips can be effectively prevented from entering the battery cell 1, and potential safety hazards are avoided.
In this application, flattening wheel 3 is including rubbing flat portion 31 and extrusion portion 32, and the existence of extrusion portion 32 makes the flattening back, and the diameter of mass flow body terminal surface can not be greater than the terminal surface of original mass flow body, has good flattening precision.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (3)
1. The utility model provides an electric core current collector terminal surface leveling device which characterized in that includes:
rotating the bowl and the dish;
the leveling wheels are annularly arranged on the rotary bowl plate;
the ejector pins are arranged at the center of the rotary bowl plate, and the rotary bowl plate rotates along with the ejector pins;
the angle adjusting structure comprises an adjusting element and a connecting element, one end of the connecting element is connected with the adjusting element, the other end of the connecting element is connected with the leveling wheel, and the adjusting element pulls the leveling wheel to swing so as to adjust an included angle between the leveling wheel and the ejector pin;
the leveling wheel comprises a leveling part, the leveling part is conical, the small end of the leveling part is arranged towards the center direction of the thimble rotating bowl plate, the leveling part is used for leveling the end face of the current collector, the leveling wheel further comprises an extrusion part, the extrusion part is arranged at the large end of the leveling part, the extrusion part is cylindrical, and the extrusion part is arranged on the inner wall of the rotating bowl plate;
the side wall of the rotary bowl and dish is provided with a plurality of through holes which are annularly arranged, the through holes are provided with hinge seats, the hinge seats are hinged with the connecting elements, and the connecting elements are connected with the circle center of the extrusion part; an internal corner is arranged at the joint of the kneading and flattening part and the extruding part;
the device for leveling the end face of the current collector of the battery cell further comprises a fixing clamp for fixing the battery cell, and the fixing clamp and/or the rotary bowl plate reciprocate along the length direction of the ejector pin;
the battery core current collector end surface leveling device further comprises a dust collection structure, the dust collection structure comprises a dust collection cover, the dust collection cover is covered outside the rotary bowl plate, the dust collection cover is connected with a dust collection pipe, and the other end of the dust collection pipe is connected with a dust collector;
the height of the rotary bowl and the rotary plate is smaller than that of the dust hood, and the rotary bowl and the rotary plate are arranged in the dust hood.
2. The cell current collector end surface leveling device of claim 1, wherein: the adjusting element is an angle adjusting motor or an air cylinder.
3. The cell current collector end surface leveling device of claim 1, wherein: the thimble includes end to end's drive section, transmission section and pierces the section, the drive section is used for connecting driving motor, the transmission section with rotatory bowl dish fixed connection, it is the awl point form towards the direction of electric core to pierce the section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210152958.7A CN114523018B (en) | 2022-02-18 | 2022-02-18 | Electricity core mass flow body terminal surface leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210152958.7A CN114523018B (en) | 2022-02-18 | 2022-02-18 | Electricity core mass flow body terminal surface leveling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114523018A CN114523018A (en) | 2022-05-24 |
| CN114523018B true CN114523018B (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210152958.7A Active CN114523018B (en) | 2022-02-18 | 2022-02-18 | Electricity core mass flow body terminal surface leveling device |
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| CN (1) | CN114523018B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401087A (en) * | 2022-08-29 | 2022-11-29 | 东莞市赢合技术有限公司 | Battery cell tab flattening equipment |
| CN116116495B (en) * | 2023-01-16 | 2024-02-27 | 武汉逸飞激光股份有限公司 | Rub flat head and cylinder electricity core and rub flat device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207770520U (en) * | 2018-07-12 | 2018-08-28 | 湘潭银河新能源有限公司 | Cylindrical battery pole piece apparatus for leveling |
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| DE2718219B2 (en) * | 1977-04-23 | 1979-09-06 | Hoesch Werke Ag, 4600 Dortmund | Calibration for the work rolls of a cross roll stand |
| JPH09129242A (en) * | 1995-08-29 | 1997-05-16 | Sumitomo Electric Ind Ltd | Metallic porous body, manufacture thereof, and electrode for battery using the same |
| JP2002361328A (en) * | 2001-06-05 | 2002-12-17 | Nisshin Kogyo Kk | Forming roll and forming machine using forming roll |
| CN206588174U (en) * | 2017-03-20 | 2017-10-27 | 山东胜宁电器有限公司 | Container bottom shaping device |
| CN209953538U (en) * | 2019-03-15 | 2020-01-17 | 湖南盖亚中科新能源有限公司 | Full utmost point ear battery utmost point ear levels device |
| CN209953554U (en) * | 2019-04-11 | 2020-01-17 | 无锡先导智能装备股份有限公司 | Battery production equipment and lug shaping mechanism thereof |
| CN110190318A (en) * | 2019-05-24 | 2019-08-30 | 苏州安靠电源有限公司 | A kind of battery roll core rubs quadratic method and device |
| CN212598421U (en) * | 2020-04-27 | 2021-02-26 | 国轩新能源（苏州）有限公司 | Pole lug shaping device before rubbing and flattening for cylindrical lithium ion roll core full pole lug |
| CN112133952A (en) * | 2020-09-30 | 2020-12-25 | 武汉逸飞激光设备有限公司 | Automatic flat head is rubbed to machinery that gathers dust and flat device is rubbed to electric core thereof |
| CN215377478U (en) * | 2021-03-31 | 2021-12-31 | 合肥国轩高科动力能源有限公司 | Full utmost point ear cylinder electricity core is rubbed flat spinning die head device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207770520U (en) * | 2018-07-12 | 2018-08-28 | 湘潭银河新能源有限公司 | Cylindrical battery pole piece apparatus for leveling |
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| CN114523018A (en) | 2022-05-24 |
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