CN115285419A - Air bag rolling device of square-shell lithium battery coating machine - Google Patents
Air bag rolling device of square-shell lithium battery coating machine Download PDFInfo
- Publication number
- CN115285419A CN115285419A CN202210979123.9A CN202210979123A CN115285419A CN 115285419 A CN115285419 A CN 115285419A CN 202210979123 A CN202210979123 A CN 202210979123A CN 115285419 A CN115285419 A CN 115285419A
- Authority
- CN
- China
- Prior art keywords
- roller
- air
- coating machine
- air bag
- rubber layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 title claims abstract description 23
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 12
- 238000005096 rolling process Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract 2
- 239000010935 stainless steel Substances 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 15
- 238000007906 compression Methods 0.000 abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 230000037303 wrinkles Effects 0.000 abstract description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B33/00—Packaging articles by applying removable, e.g. strippable, coatings
- B65B33/02—Packaging small articles, e.g. spare parts for machines or engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
-
- 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
Abstract
The invention discloses an air bag rolling device of a square-shell lithium battery coating machine. The air bag type press roller is a stainless steel roller with a hollow roller body, dense air holes are uniformly distributed on the roller, flexible rubber is laid on the surface of the roller, two end shaft heads are provided with air connecting pipes, one end of each air connecting pipe is used as an air inlet and outlet end, and the other end of each air connecting pipe is used as a pressure detection end. The deformation amplitude of the rubber layer is changed by adjusting the gas pressure of the closed air chamber formed in the roller body, the deformation of the rubber layer is uniform, the air pressure in the whole roller is always maintained in a target pressure range through a closed-loop control system realized by an electromagnetic valve, a pressure sensor, a coating machine PLC, a coating machine HMI and the like, the flexible rubber layer can be tightly attached to the coated battery under the condition of not changing the position of an air bag compression roller, the blue film and the battery aluminum shell are fully extruded, the gas between the blue film and the battery aluminum shell is rolled and discharged, and finally the battery coating is free of bubbles and wrinkles.
Description
Technical Field
The invention relates to the technical field of lithium battery coating, in particular to an air bag rolling device of a square-shell lithium battery coating machine.
Background
The outer surface of the battery is usually wrapped with a layer of protective film, and the protective film can protect the battery on one hand and make the appearance of the battery more beautiful on the other hand.
Generally used before battery Pack, the main function is insulation protection. The electrolyte is also coated on the surface of the battery cell before the battery cell is dried, and the main function of the electrolyte is to protect the surface of the battery cell from being scratched and corroded by the electrolyte, which is an indispensable part in the production process of the battery.
At present, the battery coating is mostly finished by automation equipment and manpower together, and in the face of increasing market demands, a full-automatic coating machine becomes a trend. Simultaneously also more and more high to the diolame quality requirement, the diolame compression roller that uses on the coating machine on the market at present mostly is the rubber compression roller, has the rubber layer for the surface cladding of roll body, and both ends are connected with solid spindle nose, lean on the pressure between the two rollers during the diolame totally, because rubber layer deformation range is limited, deformation is inhomogeneous, very easily cause the big face of square shell lithium cell, side, bottom surface to accomplish completely horizontally, consequently, the diolame in-process appears bubble, fold scheduling problem. Seriously affecting the quality of the product.
Disclosure of Invention
The invention aims to solve the technical problems and provide the technical task to overcome the defects of the existing rubber compression roller and provide the air bag compression roller which has large self elastic amplitude and uniform deformation and can adjust the pressure between the rubber compression roller and the battery shell without changing the position of a roller body. Therefore, a large amount of bubbles and wrinkles in the envelope caused by the unevenness of the surface of the battery are avoided, closed-loop control is realized through the electromagnetic valve, the pressure sensor and the PLC, and the pressure in the airbag roller is ensured to be always maintained in a target value range.
In order to achieve the purpose, the invention adopts the following technical scheme: the roller comprises a roller 1, wherein a plurality of through holes 2 are uniformly distributed on the surface of the roller, an air chamber 5 is formed in the roller through shaft heads 3 and annular sealing covers 4 at two ends, the inner diameters of the annular sealing covers 4 at two ends and the outer diameter of the shaft head 3 just meet, and the shaft head penetrates through the annular sealing cover and is welded in a sealing manner; the shaft core of one end shaft head is provided with an air inlet communicating pipe 6, the end part of one end shaft head is provided with a rotatable air inlet pipe joint 10, a three-position three-way electromagnetic valve 14 is connected with the air inlet pipe joint 10, air is pumped into the air inlet communicating pipe 6, an air inlet 7 of the air inlet communicating pipe 6 sends the air into an air chamber 5, the shaft core of the other end shaft head is provided with a detection communicating pipe 9, one end of the detection communicating pipe 9, which is positioned in the roller, is connected with a detection air hole 8, one end of the detection communicating pipe 9, which is positioned outside the roller, is connected with a detection gas pipe joint 11, and the detection gas pipe joint 11 is arranged on an external pressure sensor 15; the roller is covered with flexible rubber layer 12 outside, and flexible rubber layer is cylindric cover on the roller, and flexible rubber layer both ends are sealed glue respectively and are pasted with the roller to set up metal annular staple bolt 13 in flexible rubber layer both ends add.
The air inlet pipe joint and the detection pipe joint are quick rotating type joints (the highest rotating speed is 800 r/min), a communicating pipe connected with the air joint is arranged in the middle, the hollow roller adopts a rigid roller to ensure the strength of the air bag roller, and the compressed air is uniformly distributed between the rigid roller and the flexible covering layer through the air holes densely distributed on the upper surface. The space that cylinder and flexible deformation layer enclose forms airtight air chamber, and the rotatable type air pipe joint of one end spindle nose passes through three-position three-way solenoid valve and connects compressed air, can inflate the pressurization for the air chamber, and inside gas got into the cylinder through the cavity pipeline of axle to through give the gas pocket of cylinder and evenly exert pressure for the flexible deformation layer of its outer cover, realize changing the purpose that flexible cover lamination strength through changing gas pressure. Even if the position of the hollow roller body is not changed, the pressure between the air bag compression roller and the battery cell shell can be finely adjusted to be uniform and moderate, and the requirement of uniform and proper rolling in the coating process is met.
The two end shafts of the compression roller cylinder are the same as the outer diameter of the outer end cover, are tightly attached, are convenient to weld, are not easy to deform, and have higher mechanical strength and better sealing performance.
The compression roller cylinder both ends axle core all be equipped with the gas circuit connecting pipe, inside the lug connection to cylinder, inside the roller was directly carried to the compressed air of one end, the inside pressure of roller detected in transmitting pressure sensor through the gas circuit connecting pipe of the other end.
One end of a rotary air pipe joint at the other end of the compression roller drum is connected with a pressure sensor output signal 4-20MA, sensor current is transmitted to a PLC of a film coating machine, a target pressure value is set on a touch screen, and therefore a solenoid valve is controlled to adjust pressure in an air bag roller, and the pressure value of the air bag compression roller suitable for different types of electric cores is stored in the touch screen. The transformation production can be directly called.
The rubber flexible layer is made of a rubber material with a softer texture, and can rapidly and acutely deform and have corresponding strength according to the change of gas pressure. The two ends of the rubber flexible layer are glued and adhered, and the metal hoop is additionally arranged for sealing, so that the sealing performance of the flexible layer is ensured.
The deformation amplitude of the rubber layer is changed by adjusting the gas pressure of the closed air chamber formed in the roller body, so that the rubber layer is uniformly deformed, the air pressure in the whole roller is always maintained in a target pressure range through a closed-loop control system, the flexible rubber layer can be tightly attached to the coated battery under the condition of not changing the position of the air bag compression roller, the blue film and the battery aluminum shell are fully extruded, the gas between the blue film and the battery aluminum shell is pushed and rolled and discharged, and finally the battery coating is free of bubbles and wrinkles.
Drawings
FIG. 1 is a schematic view showing the structure of the air bag roll of the present invention.
FIG. 2 is an external view of the air bag roll of the present invention.
Fig. 3 is a closed loop control schematic of the present invention.
Detailed Description
The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the specification.
As shown in fig. 1 and 2, a plurality of through holes 2 are uniformly distributed on the surface of a roller 1, an air chamber 5 is formed in the roller through shaft heads 3 and annular sealing covers 4 at two ends, the inner diameter of the annular sealing covers 4 at two ends and the outer diameter of the shaft heads 3 just meet, and the shaft heads penetrate through the annular sealing covers and are welded in a sealing manner; the shaft core of one end shaft head is provided with an air inlet communicating pipe 6, the end part of one end shaft head is provided with a rotatable air inlet pipe joint 10, a three-position three-way electromagnetic valve 14 is connected with the air inlet pipe joint 10, air is pumped into the air inlet communicating pipe 6, an air inlet 7 of the air inlet communicating pipe 6 sends the air into an air chamber 5, the shaft core of the other end shaft head is provided with a detection communicating pipe 9, one end of the detection communicating pipe 9, which is positioned in the roller, is connected with a detection air hole 8, one end of the detection communicating pipe 9, which is positioned outside the roller, is connected with a detection gas pipe joint 11, and the detection gas pipe joint 11 is arranged on an external pressure sensor 15; the roller is covered with flexible rubber layer 12 outside, and flexible rubber layer is cylindric cover on the roller, and flexible rubber layer both ends are sealed glue respectively and are pasted with the roller to set up metal annular staple bolt 13 in flexible rubber layer both ends add.
As shown in fig. 3, the control principle of the air bag compression apparatus of the present invention: a compressed air source 16 is connected with a three-position three-way electromagnetic valve 14, the electromagnetic valve 14 is connected with an air bag compression roller 17 through an air pipe, a target pressure value is set on a coating machine HMI 18, or stored pressure data of corresponding battery cell types is directly called, a coating machine PLC 19 compares the target value according to 4-20MA current signals fed back by a pressure sensor 15 connected with the air bag compression roller, logic calculation is carried out, an inflation/deflation signal is output, the electromagnetic valve 14 executes signal action to inflate/deflate the air bag roller until the pressure value detected by the pressure sensor 15 accords with the target value range, the electromagnetic valve 14 is de-energized and returns to the middle position, and the air pressure inside the air bag roller is self-locked and maintained.
Claims (6)
1. The utility model provides an air bag rolling device of square shell lithium battery coating machine which characterized in that: the roller comprises a roller (1), wherein a plurality of through holes (2) are uniformly distributed on the surface of the roller, an air chamber (5) is formed in the roller through shaft heads (3) at two ends and annular sealing covers (4), the inner diameters of the annular sealing covers at two ends and the outer diameters of the shaft heads just meet, and the shaft heads penetrate through the annular sealing covers and are hermetically welded; the shaft core of one end shaft head is provided with an air inlet communicating pipe (6), the end part of one end shaft head is provided with a rotatable air inlet pipe joint (10), a three-position three-way electromagnetic valve (14) is connected with the air inlet pipe joint, air is pumped into the air inlet communicating pipe, an air inlet hole (7) of the air inlet communicating pipe sends the air into an air chamber, the shaft core of the other end shaft head is provided with a detection communicating pipe (9), one end of the detection communicating pipe, which is positioned in the roller, is connected with a detection air hole (8), one end of the detection communicating pipe, which is positioned outside the roller, is connected with a detection air pipe joint (11), and the detection air pipe joint (11) is arranged on an external pressure sensor (15); the roller is covered with flexible rubber layer (12) in the outside, and flexible rubber layer is cylindric overlaps on the roller, and flexible rubber layer both ends are sealed glue respectively and are pasted with the roller to add at flexible rubber layer both ends and establish metal annular staple bolt (13).
2. The air bag rolling device of the square-shell lithium battery coating machine of claim 1, which is characterized in that: the roller (1) adopts a seamless stainless steel tube with the thickness of 3 mm.
3. The air bag rolling device of the square-shell lithium battery coating machine of claim 1, which is characterized in that: the diameter of the through holes on the surface of the roller is 4mm.
4. The air bag rolling device of the square-shell lithium battery coating machine according to claim 1, characterized in that: and two ends of the flexible rubber layer are respectively provided with a roller with the thickness of 10mm for sealant adhesion.
5. The air bag rolling device of the square-shell lithium battery coating machine according to claim 1, characterized in that: the three-position three-way electromagnetic valve (14) is connected with a compressed air source (16) through an air inlet, the coating machine PLC (19) is connected with two coil cables of the electromagnetic valve (14), and the coating machine HMI (18) is connected with a shielding cable of the coating machine PLC (19).
6. The air bag rolling device of the square-shell lithium battery coating machine according to claim 1, characterized in that: the pressure sensor (15) is connected with a shielding cable of a film wrapping machine PLC (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210979123.9A CN115285419A (en) | 2022-08-16 | 2022-08-16 | Air bag rolling device of square-shell lithium battery coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210979123.9A CN115285419A (en) | 2022-08-16 | 2022-08-16 | Air bag rolling device of square-shell lithium battery coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115285419A true CN115285419A (en) | 2022-11-04 |
Family
ID=83829900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210979123.9A Pending CN115285419A (en) | 2022-08-16 | 2022-08-16 | Air bag rolling device of square-shell lithium battery coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115285419A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117621602A (en) * | 2024-01-26 | 2024-03-01 | 允昌科技(苏州)有限公司 | Feeding flattening device and laminating machine |
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|---|---|---|---|---|
| DE10238119A1 (en) * | 2001-09-19 | 2003-04-03 | Heidelberger Druckmasch Ag | Cylinder of machine for processing printed material has at least one fluid chamber on periphery of cylinder body and cover on which replaceable print cover can be positioned |
| CN104894782A (en) * | 2015-06-26 | 2015-09-09 | 苏州市吴中区大明针织漂染有限公司 | Rubber mangle roller with miniature airbags |
| CN109279428A (en) * | 2018-09-01 | 2019-01-29 | 青岛河钢复合新材料科技有限公司 | Cross roll, color film room and put membrane process |
| CN110549430A (en) * | 2019-09-05 | 2019-12-10 | 青岛盛福精磨科技有限公司 | Sectional type swager of panel processing equipment constructs |
| CN210051169U (en) * | 2019-05-31 | 2020-02-11 | 武汉山力板带技术工程有限公司 | Air-cooled roller and open-fire furnace air-cooled roller heat recycling system |
| CN210451934U (en) * | 2019-08-26 | 2020-05-05 | 青岛盛福精磨科技有限公司 | Roller type elastic material pressing mechanism |
| CN210816713U (en) * | 2019-06-22 | 2020-06-23 | 江西永德立新能源有限公司 | Adjustable lithium battery production roller press |
| CN213662716U (en) * | 2020-11-25 | 2021-07-13 | 山东沃华农业科技股份有限公司 | Roller seeder |
| CN214934378U (en) * | 2021-04-15 | 2021-11-30 | 罗兰博 | Compression roller with convertible surface structure |
| CN114619685A (en) * | 2022-03-11 | 2022-06-14 | 中国航空制造技术研究院 | Hardness-controllable flexible compression roller and use method thereof |
-
2022
- 2022-08-16 CN CN202210979123.9A patent/CN115285419A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10238119A1 (en) * | 2001-09-19 | 2003-04-03 | Heidelberger Druckmasch Ag | Cylinder of machine for processing printed material has at least one fluid chamber on periphery of cylinder body and cover on which replaceable print cover can be positioned |
| CN104894782A (en) * | 2015-06-26 | 2015-09-09 | 苏州市吴中区大明针织漂染有限公司 | Rubber mangle roller with miniature airbags |
| CN109279428A (en) * | 2018-09-01 | 2019-01-29 | 青岛河钢复合新材料科技有限公司 | Cross roll, color film room and put membrane process |
| CN210051169U (en) * | 2019-05-31 | 2020-02-11 | 武汉山力板带技术工程有限公司 | Air-cooled roller and open-fire furnace air-cooled roller heat recycling system |
| CN210816713U (en) * | 2019-06-22 | 2020-06-23 | 江西永德立新能源有限公司 | Adjustable lithium battery production roller press |
| CN210451934U (en) * | 2019-08-26 | 2020-05-05 | 青岛盛福精磨科技有限公司 | Roller type elastic material pressing mechanism |
| CN110549430A (en) * | 2019-09-05 | 2019-12-10 | 青岛盛福精磨科技有限公司 | Sectional type swager of panel processing equipment constructs |
| CN213662716U (en) * | 2020-11-25 | 2021-07-13 | 山东沃华农业科技股份有限公司 | Roller seeder |
| CN214934378U (en) * | 2021-04-15 | 2021-11-30 | 罗兰博 | Compression roller with convertible surface structure |
| CN114619685A (en) * | 2022-03-11 | 2022-06-14 | 中国航空制造技术研究院 | Hardness-controllable flexible compression roller and use method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117621602A (en) * | 2024-01-26 | 2024-03-01 | 允昌科技(苏州)有限公司 | Feeding flattening device and laminating machine |
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