CN114986869A - Lithium battery heat treatment film pasting device and method - Google Patents
Lithium battery heat treatment film pasting device and method Download PDFInfo
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- CN114986869A CN114986869A CN202210610648.5A CN202210610648A CN114986869A CN 114986869 A CN114986869 A CN 114986869A CN 202210610648 A CN202210610648 A CN 202210610648A CN 114986869 A CN114986869 A CN 114986869A
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- lithium battery
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- ring barrel
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 136
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 238000010438 heat treatment Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 28
- 238000009423 ventilation Methods 0.000 claims description 62
- 238000007789 sealing Methods 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 28
- 230000008859 change Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 4
- 230000002950 deficient Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 229920006257 Heat-shrinkable film Polymers 0.000 description 12
- 238000005192 partition Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/38—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses
- B29C63/40—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses using sheet or web-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
-
- 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)
- Sealing Battery Cases Or Jackets (AREA)
- Primary Cells (AREA)
Abstract
The invention discloses a lithium battery heat treatment film sticking device in the technical field of lithium battery heat treatment film sticking, which comprises a feed ring barrel, wherein the side wall of the feed ring barrel is fixedly provided with an inclined slide pipe for guiding a lithium battery to slide; the invention solves the problems that the traditional film pasting equipment adopts the mode that the lithium battery is flatly placed for film pasting, the heat shrinkage film cannot be sleeved on the surface of the lithium battery on the equipment due to the fact that supporting points are needed at two ends or the lower end of the battery, manual film covering is needed, the heat shrinkage film is placed on heat treatment equipment for heating after film covering is finished, the heat shrinkage film is shrunk on the surface of the lithium battery, and the working efficiency is low due to the fact that the manual participation degree is high.
Description
Technical Field
The invention relates to the technical field of lithium battery heat treatment film pasting, in particular to a lithium battery heat treatment film pasting device and method.
Background
The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses non-aqueous electrolyte solution, and with the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing day by day, and very high requirements are put forward on power supplies. The lithium battery enters a large-scale practical stage; in order to avoid scratches on the surface of the case during transportation of the lithium ion battery, a protective film needs to be attached to the surface of the lithium ion battery.
The existing film pasting equipment adopts the mode that a lithium battery is flatly laid for film pasting, and because two ends or the lower end of the battery needs supporting points, a heat-shrinkable film cannot be sleeved on the surface of the lithium battery through a sleeve on the equipment, so that manual film covering is needed, and the heat-shrinkable film is placed on heat treatment equipment for heating after film covering is finished, so that the heat-shrinkable film is shrunk to the surface of the lithium battery, and the mode has high manual participation degree, thereby causing the problem of low working efficiency; secondly, the existing lithium battery heat treatment film pasting equipment adopts a fixed heating port for heating, so that the shrinkage of a heat shrinkage film is easy to be uneven, and the film pasting is deviated.
Based on the above, the invention designs a lithium battery heat treatment film pasting device and method, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a lithium battery heat treatment film pasting device and a lithium battery heat treatment film pasting method, which aim to solve the problems of the prior art in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a lithium cell thermal treatment pad pasting device, includes the feed ring bucket, the fixed slide pipe that is used for guiding the gliding slope of lithium cell that is provided with of feed ring bucket lateral wall, the slide pipe is fixed with the feed ring bucket and communicates with feed ring bucket inner chamber, the feed gap has been seted up to the one end that the feed ring bucket was kept away from to the slide pipe, the fixed upright baffle that is provided with of feed gap one end lateral wall is located the fixed blowing baffle that is provided with of feed gap other end, the one end that the blowing baffle is close to the feed gap is low, the fixed gradual change ring bucket that is used for guiding the vertical falling of lithium cell that is provided with of feed ring bucket lower extreme, the fixed upright bucket that is provided with of gradual change ring bucket lower extreme, upright bucket lower extreme is provided with the packaging mechanism that is used for carrying out the encapsulation of vertical heat pad pasting to the lithium cell.
As a further scheme of the invention, the packaging mechanism comprises a sealing ring barrel fixedly arranged on the outer wall of the lower end of the gradual change ring barrel through a support, the sealing ring barrel is coaxially arranged with the vertical barrel and is positioned at the lower end of the vertical barrel, a ventilation ring barrel for placing a ring membrane is sleeved on the inner wall of the sealing ring barrel, a plurality of ventilation holes used for the past are formed in the side wall of the ventilation ring barrel, an air inlet pipe and an air suction pipe which are communicated with each other are fixedly arranged on the side wall of the sealing ring barrel, valves capable of being closed when air is not actively guided are arranged on the air inlet pipe and the air suction pipe, limiting rings are respectively fixedly arranged on the outer walls of the ventilation ring barrel at the upper end and the lower end of the sealing ring barrel, and a supporting device for conveying the ring membrane into the ventilation ring barrel and limiting the height of the lithium battery is arranged at the lower end of the ventilation ring barrel.
As a further scheme of the invention, the axes of the air inlet pipe and the air suction pipe are positioned at the same height, the sidelines of the air inlet pipe and the air suction pipe parallel to the axes are tangent to the inner wall of the sealing ring barrel, and a plurality of blades for dispersing air are arranged on the outer wall of the ventilation ring barrel at the same height with the air inlet pipe and the air suction pipe in an annular array around the axes.
As a further aspect of the invention, the support means comprises a plurality of quarter-open split ring plates, the side wall of the opening ring plate is fixedly provided with a rotating frame, each rotating frame is fixedly provided with the same angle sleeve, a fixed rod is rotatably arranged in the center of the angle sleeve, the fixed rod is fixedly arranged on the outer wall of the lower end of the sliding pipe, the opening annular plate is coaxial with the sealing ring barrel, the upper end surface of the split ring plate is contacted with the lower end surface of the ventilation ring barrel, the inner wall of the lower end of the split ring plate is axially and slidably provided with a top ring plate used for limiting the lower end surface of the ring barrel, a bottom ring plate is fixedly arranged at the lower end of the fixed rod, a driving mechanism for driving the opening ring plate to revolve and replace a station is arranged on the bottom ring plate, and the bottom ring plate is positioned under the split ring plate and is provided with a limiting mechanism used for pushing the top ring plate to move upwards and limiting the lower end of the ventilation ring barrel.
As a further scheme of the invention, the driving mechanism comprises a driving gear meshed with the outer wall of the lower end of the angle sleeve through a set tooth, the driving gear is coaxially connected with a first motor in a transmission manner, and the first motor is fixedly arranged on the bottom ring plate.
As a further scheme of the invention, the limiting mechanism comprises a driving cylinder fixedly arranged at the bottom of the bottom ring plate through a support, the driving cylinder is coaxial with the top ring plate, the side wall of the upper end of the driving cylinder motion sub-rod is vertically limited and slidably connected with a limiting ring plate, and the bottom ring plate is provided with an avoiding through hole for avoiding the limiting ring plate.
As a further scheme of the invention, a material returning long circular arc hole for returning materials is formed in the bottom ring plate along the revolution path of the opening ring plate.
As a further scheme of the invention, a partition for intermittent blanking is arranged on the sliding pipe, a blanking sleeve is rotatably arranged at the upper end of the sliding pipe through a support, the blanking sleeve is in transmission connection with a blanking gear through teeth arranged on the outer wall of the rear end of the blanking sleeve, the rear end of the blanking gear is in coaxial transmission connection with a second motor, the second motor is fixedly arranged on the outer wall of the upper end of the sliding pipe through the support, and the blanking sleeve is provided with a plurality of closed rings capable of interrupting the partition in an annular array around the axis of the blanking sleeve.
As a further scheme of the invention, the closed ring is provided with a sensor which can be different according to the contact area with the positive end and the negative end of the lithium battery, the outer wall of the feed ring barrel is fixedly provided with a centering pipe which is coaxial with the sliding pipe, the centering pipe is communicated with the inner cavity of the feed ring barrel, the inner part of the centering pipe is fixedly provided with an electromagnetic catapult, the electromagnetic catapult can extend according to a signal of the sensor, and the extending end of the electromagnetic catapult is fixedly provided with an obstructing arc plate which is used for obstructing the lithium battery from preferentially entering the feed ring barrel and descending.
A lithium battery heat treatment film pasting method comprises the following specific steps:
the method comprises the following steps: the method comprises the following steps of firstly, transporting a lithium battery needing film pasting to a film pasting site, inspecting the surface of the lithium battery, removing surface impurities, and removing defective lithium batteries;
step two: placing a lithium battery on the material placing baffle plate, so that the lithium battery rolls down into a feeding gap of the sliding pipe along the radian of the material placing baffle plate and then slides into the feeding ring barrel along the sliding pipe;
step three: the lithium battery enters the feeding ring barrel and is guided into the vertical barrel by the gradual change ring barrel, then the lithium battery enters the ventilation ring barrel, the driving air cylinder just props against the lithium battery at the moment, so that the lithium battery is static, hot air is introduced into the sealing ring barrel through an external hot air blower, a ring film on the inner wall of the ventilation ring barrel is heated and thermally shrunk to the surface of the lithium battery, and the film hot sticking process is completed;
step four: the driving cylinder shrinks and descends, so that the lithium battery subjected to film pasting falls to the inner wall of the opening ring plate, and then the first motor drives the opening ring plate to revolve to drive the lithium battery out of the lower end of the ventilation ring barrel, so that discharging can be completed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the lithium battery is guided to enter the sliding pipe and then enter the feeding ring barrel through the discharging baffle, the lithium battery is guided to enter the vertical barrel from the gradual change ring barrel and is quickly converted into a vertical placing state to enter the ventilation ring barrel, the lithium battery is limited by the supporting device and stands in the center of the ventilation ring barrel, then the heat shrinkage film is adsorbed on the ventilation ring barrel through air suction of the air suction pipe, so that the lithium battery does not suffer interference of the heat shrinkage film when falling, finally hot air is blown in through the air inlet pipe to enable the ventilation ring barrel to rotate in the sealing ring barrel, the heating position is switched, so that the heat shrinkage film is uniformly heated and shrunk to the outer surface of the lithium battery, and thus the film laminating process of the lithium battery is completed, so that the lithium battery is subjected to vertical film laminating, the support at the two ends of the lithium battery does not interfere with the shrinking of the heat shrinkage film, and the shrinking process of the heat shrinkage film is not influenced by gravity.
2. According to the invention, the split ring plate with the heat-shrinkable film is driven by the first motor to perform position switching and butt joint with the ventilation ring barrel, then the active cylinder works to jack the limiting ring plate upwards along the inner wall of the split ring plate, and meanwhile, the heat-shrinkable film in the split ring plate is jacked to the inner wall of the ventilation ring barrel by the jacking ring plate to perform heat-shrinkable preparation work, so that the working efficiency is improved, and meanwhile, the limiting ring plate can support a lithium battery to be fallen, thereby completing the functions of automatic film sheathing and automatic positioning.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic side-view, bottom-view, general structural diagram of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a side down view partially in cross-section in accordance with the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 4 at C according to the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 4;
FIG. 8 is a schematic diagram of the overall process flow of the method of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a feeding ring barrel 10, a sliding pipe 11, a feeding notch 12, a vertical baffle 13, a discharging baffle 14, a gradual change ring barrel 15, a vertical barrel 16, a sealing ring barrel 20, a ventilation ring barrel 21, a ventilation hole 22, an air inlet pipe 23, an air suction pipe 24, a limiting ring 25, blades 27, an opening ring plate 30, a rotating frame 31, an angle sleeve 32, a fixing rod 33, a top ring plate 34, a bottom ring plate 35, a driving gear 38, a first motor 39, a driving cylinder 42, a limiting ring plate 43, a material returning long circular arc hole 44, a partition 46, a material discharging sleeve 47, a material discharging gear 48, a second motor 49, a sealing ring 50, a straightening pipe 52, an electromagnetic ejector 53 and a blocking arc plate 54.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a lithium battery heat treatment film pasting device comprises a feeding ring barrel 10, wherein a sliding pipe 11 for guiding the lithium battery to slide and incline is fixedly arranged on the side wall of the feeding ring barrel 10, the sliding pipe 11 is fixed with the feeding ring barrel 10 and is communicated with the inner cavity of the feeding ring barrel 10, a feeding notch 12 is formed in one end, away from the feeding ring barrel 10, of the sliding pipe 11, a vertical baffle 13 is fixedly arranged on the side wall of one end of the feeding notch 12, a discharging baffle 14 is fixedly arranged at the other end of the feeding notch 12, one end, close to the feeding notch 12, of the discharging baffle 14 is low, a gradual change ring barrel 15 for guiding the lithium battery to vertically fall is fixedly arranged at the lower end of the feeding ring barrel 10, a vertical barrel 16 is fixedly arranged at the lower end of the gradual change ring barrel 15, and an encapsulation mechanism for performing vertical heat film pasting encapsulation on the lithium battery is arranged at the lower end of the vertical barrel; the packaging mechanism comprises a sealing ring barrel 20 fixedly arranged on the outer wall of the lower end of the gradual change ring barrel 15 through a support, the sealing ring barrel 20 and the vertical barrel 16 are coaxially arranged, the sealing ring barrel 20 is positioned at the lower end of the vertical barrel 16, a ventilation ring barrel 21 used for placing a ring membrane is sleeved on the inner wall of the sealing ring barrel 20, a plurality of ventilation holes 22 used for the past are formed in the side wall of the ventilation ring barrel 21, an air inlet pipe 23 and an air suction pipe 24 which are internally communicated are fixedly arranged on the side wall of the sealing ring barrel 20, valves capable of being closed when air is not actively guided are arranged on the air inlet pipe 23 and the air suction pipe 24, limiting rings 25 are fixedly arranged on the outer walls of the ventilation ring barrel 21 positioned at the upper end and the lower end of the sealing ring barrel 20 respectively, and a supporting device used for conveying the ring membrane into the ventilation ring barrel 21 and limiting the height of a lithium battery is arranged at the lower end of the ventilation ring barrel 21; the axes of the air inlet pipe 23 and the air suction pipe 24 are positioned at the same height, the sidelines of the air inlet pipe 23 and the air suction pipe 24 parallel to the axes are tangent to the inner wall of the sealing ring barrel 20, and a plurality of blades 27 for dispersing air are arranged on the outer wall of the ventilation ring barrel 21 at the same height with the air inlet pipe 23 and the air suction pipe 24 in an annular array mode around the axes;
before the device is used, the device is assembled, as shown in fig. 1, the upper end of the device is seen from the top down in fig. 1, and the right end of the device is seen from the right side to the left in fig. 1, and the device orientation is used for description and is not described again;
when the invention is used, the lithium battery is placed on the material placing baffle plate 14 through manual work or the existing stacking device, the axis of the battery is kept parallel to the semi-arc axis of the material feeding notch 12, the lithium battery rolls on the material placing baffle plate 14 and enters the material feeding notch 12 due to the lower end of the material placing baffle plate 14 close to the material feeding notch 12 (as shown in figure 1, the effect of the vertical baffle plate 13 avoids the lithium battery from rushing out of the material feeding notch 12 due to the too high moving speed of the lithium battery on the material placing baffle plate 14, so that the lithium battery falls off), the outer wall of the lithium battery is smooth, and the slide way formed by the material feeding notch 12 and the slide pipe 11 is positioned at the lower end of the material feeding ring barrel 10, so that the lithium battery slides towards the direction of the material feeding ring barrel 10 (the sliding direction of the lithium battery in the slide pipe 11, which lower end is positioned at the lower end, and the direction of the lithium battery can not be adjusted), so as to fall into the material feeding ring barrel 10, after the lithium battery enters the feeding ring barrel 10, the lithium battery is guided by the gradual change ring barrel 15 to enter the vertical barrel 16, then the lithium battery continues to be under the action of self gravity and enters the ventilation ring barrel 21 (as shown in fig. 4 and 5, when the battery does not enter the ventilation ring barrel 21, a thermal shrinkage film is manually placed in the ventilation ring barrel 21, the air inlet pipe 23 is provided with a valve which is closed at this time, then the air suction pipe 24 is sucked outwards, so that negative pressure is formed inside the sealing ring barrel 20, air on the outer wall of the thermal shrinkage film is sucked out from the ventilation hole 22, so that the thermal shrinkage film is attached to the inner wall of the ventilation ring barrel 21, the automatic falling process of the lithium battery is not influenced, in the process, the local air pressure of the air suction pipe 24 is reduced, the air flow near the blade 27 is changed, the blade 27 rotates, the ventilation ring barrel 21 is driven by the rotation of the ventilation ring barrel 20, and the limiting ring 25 acts, so that the sealing ring barrel 20 moves and floats up and down, the thermal shrinkage film is automatically paved on the inner wall of the ventilation ring barrel 21 under the centrifugal force, and the up-and-down position of the thermal shrinkage film and the ventilation ring barrel 21 is adjusted at the same time, so that the thermal shrinkage film is automatically adjusted), the lithium battery is acted by the supporting device (the thermal shrinkage film is also acted by the supporting device, the problem of descending is avoided) and stays in the ventilation ring barrel 21, then the air inlet pipe 23 starts to blow hot air under pressure into the sealing ring barrel 20, the air suction pipe 24 is closed, the hot air blows the blade 27 to rotate the air vent ring barrel 21 inside the sealing ring barrel 20, at the same time, the thermal shrinkage film is blown to the surface of the lithium battery, and at the same time, the vent ring barrel 21 rotates to switch the vent hole 22, the thermal shrinkage film is rapidly heated and thermally shrunk to the surface of the lithium battery, so that the thermal shrinkage film is heated more uniformly, and the film pasting work of the lithium battery is completed;
according to the invention, the lithium battery is guided to enter the sliding pipe 11 through the material placing baffle plate 14 and then enter the material feeding ring barrel 10, the lithium battery is guided to enter the vertical barrel 16 from the gradual change ring barrel 15 and is quickly converted into a vertical placing state to enter the ventilation ring barrel 21, the lithium battery is limited by the supporting device and stands at the center of the ventilation ring barrel 21, then the air suction pipe 24 sucks air to adsorb a thermal shrinkage film onto the ventilation ring barrel 21, so that the lithium battery does not interfere with the falling of the thermal shrinkage film, finally the air inlet pipe 23 blows hot air to enable the ventilation ring barrel 21 to rotate in the sealing ring barrel 20, the heating position is switched, the thermal shrinkage film is uniformly heated and shrunk to the outer surface of the lithium battery, and thus the film covering process of the lithium battery is completed, the lithium battery is subjected to vertical film covering, the support at two ends of the lithium battery does not interfere with the shrinking of the thermal shrinkage film, and the shrinking process of the thermal shrinkage film is not influenced by gravity.
As a further proposal of the invention, the supporting device comprises a plurality of opening ring plates 30 with quarter openings, the side walls of the opening ring plates 30 are fixedly provided with rotating frames 31, each rotating frame 31 is fixedly provided with a same angle sleeve 32, the center of the angle sleeve 32 is rotatably provided with a fixed rod 33, the fixed rod 33 is fixedly arranged on the outer wall of the lower end of the sliding tube 11, the opening ring plates 30 are coaxial with the sealing ring barrel 20, the upper end face of the opening ring plate 30 is in contact with the lower end face of the ventilation ring barrel 21, the inner wall of the lower end of the opening ring plate 30 is axially provided with a top ring plate 34 used for limiting the lower end face of the ring membrane in a sliding mode, the lower end of the fixing rod 33 is fixedly provided with a bottom ring plate 35, the bottom ring plate 35 is provided with a driving mechanism used for driving the opening ring plate 30 to revolve and replace a station, and the bottom ring plate 35 is located under the opening ring plate 30 and is provided with a limiting mechanism used for pushing the top ring plate 34 to move upwards and limiting the lower end of the ventilation ring barrel 21; the driving mechanism comprises a driving gear 38 meshed with the outer wall of the lower end of the angle sleeve 32 through a set tooth, the driving gear 38 is coaxially connected with a first motor 39 in a transmission way, and the first motor 39 is fixedly arranged on the bottom ring plate 35; the limiting mechanism comprises a driving cylinder 42 fixedly arranged at the bottom of the bottom ring plate 35 through a support, the driving cylinder 42 is coaxial with the top ring plate 34, the side wall of the upper end of a moving sub-rod of the driving cylinder 42 is vertically limited and slidably connected with a limiting ring plate 43, and an avoiding through hole for avoiding the limiting ring plate 43 is formed in the bottom ring plate 35; a material returning long circular arc hole 44 for returning materials is formed in the bottom ring plate 35 along the revolution path of the opening ring plate 30;
when the invention is used, the first motor 39 works to drive the driving gear 38 to rotate, the driving gear 38 rotates to drive the angle sleeve 32 to rotate clockwise (seen from the upper end of the device), the angle sleeve 32 rotates to drive the rotating frame 31 to rotate, the rotating frame 31 rotates to drive the opening ring plate 30 to perform position switching (before switching to the lower end of the vent ring barrel 21, a heat-shrinkable film is required to be placed on the inner wall of the opening ring plate 30, the opening of the opening ring plate 30 is convenient for placing the heat-shrinkable film in the opening ring plate 30), when the opening ring plate 30 is displaced to the lower end of the vent ring barrel 21 and then is butted with the vent ring barrel 21, the driving air cylinder 42 starts to work, so that the limit ring plate 43 is pushed upwards along the opening ring plate 30 (the center of the limit ring plate 43 is provided with a bump point which jacks up a lithium battery, the bump point is higher than the upper surface of the top ring plate 34, so that the lower end of the heat-shrinkable film can be shrunk to the lower end surface of the lithium battery), the limit ring plate 43 moves upwards to push the top ring plate 34 upwards, the heat-shrinkable film placed on the inner wall of the opening ring plate 30 is pushed upwards to enter the ventilation ring barrel 21, and meanwhile, the limiting ring plate 43 supports the bottom of the lithium battery to a certain extent, so that the supporting process in the heat-shrinkable film pasting process of the lithium battery is completed; after the film sticking of the lithium battery is finished, the driving air cylinder 42 contracts the limiting ring plate 43 to descend so as to integrally move the lithium battery subjected to film sticking out of the ventilation ring barrel 21 and enter the opening ring plate 30, the top ring plate 34 descends along with the limiting ring plate 43 automatically and simultaneously along the inner wall of the opening ring plate 30 under the action of gravity, and after the lithium battery completely enters the opening ring plate 30, the first motor 39 rotates to drive the opening ring plate 30 to perform position conversion, so that the lithium battery performs position conversion along with the opening ring plate 30, meanwhile, the bottom end of the battery rotates on the bottom ring plate 35, and then the battery drops from the material returning long circular arc hole 44 to finish the discharging;
according to the invention, the first motor 39 drives the opening ring plate 30 with the heat-shrinkable film to perform position switching and butt joint with the ventilation ring barrel 21, then the driving cylinder 42 works to jack the limiting ring plate 43 upwards along the inner wall of the opening ring plate 30, and meanwhile, the top ring plate 34 jacks the heat-shrinkable film in the opening ring plate 30 to the inner wall of the ventilation ring barrel 21 for heat-shrinking preparation, so that the working efficiency is improved, and meanwhile, the limiting ring plate 43 can support the lithium battery which is about to fall, thereby completing the functions of automatic film covering and automatic positioning.
As a further scheme of the invention, a partition 46 for intermittent blanking is arranged on the sliding pipe 11, a blanking sleeve 47 is rotatably arranged at the upper end of the sliding pipe 11 through a bracket, the blanking sleeve 47 is in transmission connection with a blanking gear 48 through teeth arranged on the outer wall of the rear end, the rear end of the blanking gear 48 is in coaxial transmission connection with a second motor 49, the second motor 49 is fixedly arranged on the outer wall of the upper end of the sliding pipe 11 through the bracket, and the blanking sleeve 47 is provided with a plurality of closed rings 50 capable of interrupting the partition 46 in an annular array around the axis of the blanking sleeve 47; the closed ring 50 is provided with a sensor which can be different in contact area with the positive end and the negative end of the lithium battery, the outer wall of the feed ring barrel 10 is fixedly provided with a centering pipe 52 which is coaxial with the sliding pipe 11, the centering pipe 52 is communicated with the inner cavity of the feed ring barrel 10, an electromagnetic ejector 53 is fixedly arranged in the centering pipe 52, the electromagnetic ejector 53 can extend according to a signal of the sensor, and an extending end of the electromagnetic ejector 53 is fixedly provided with an obstructing arc plate 54 which is used for obstructing the lithium battery from preferentially entering the feed ring barrel 10 and descending;
when the lithium battery feeding device is used, the second motor 49 rotates to drive the blanking gear 48 to rotate, the blanking gear 48 rotates to drive the blanking sleeve 47 to rotate, the blanking sleeve 47 rotates to drive the sealing ring 50 to perform position switching inside the partition 46 in the middle of the sliding pipe 11, so that feeding of a lithium battery is blocked, the lithium battery impacts the sealing ring 50, so that the positive and negative poles of the battery are detected, then signals are output, the electromagnetic ejector 53 in the centering pipe 52 works, the electromagnetic ejector 53 works to drive the blocking arc plate 54 to extend or keep static, so that the lithium battery enters one end of the feeding ring barrel 10 to be blocked or directly released, the direction of the lithium battery entering the vertical barrel 16 is changed, the positive pole or the negative pole of the battery can be kept upward all the time, the setting is performed according to needs, and the film pasting work is facilitated.
A lithium battery heat treatment film pasting method comprises the following specific steps:
the method comprises the following steps: the method comprises the following steps of firstly, transporting a lithium battery needing film pasting to a film pasting site, inspecting the surface of the lithium battery, removing surface impurities, and removing defective lithium batteries;
step two: placing lithium batteries on the material placing baffle plate 14, so that the lithium batteries roll down to the interior of the feeding gap 12 of the sliding pipe 11 along the radian of the material placing baffle plate 14 and then slide to the interior of the feeding ring barrel 10 along the sliding pipe 11;
step three: the lithium battery enters the feeding ring barrel 10, is guided by the gradual change ring barrel 15 to enter the vertical barrel 16 and then enters the ventilation ring barrel 21, the driving air cylinder 42 just props against the lithium battery at the moment, so that the lithium battery is static, hot air is introduced into the sealing ring barrel 20 through an external hot air blower, a ring film on the inner wall of the ventilation ring barrel 21 is heated and thermally shrunk to the surface of the lithium battery, and the film hot-sticking process is completed;
step four: the driving air cylinder 42 contracts and descends, so that the lithium battery subjected to film pasting falls on the inner wall of the open ring plate 30, and then the first motor 39 drives the open ring plate 30 to revolve to drive the lithium battery out of the lower end of the ventilation ring barrel 21, so that the discharging can be completed.
Claims (10)
1. The utility model provides a lithium cell thermal treatment pad pasting device, includes feed ring bucket (10), its characterized in that: the side wall of the feeding ring barrel (10) is fixedly provided with an inclined sliding pipe (11) for guiding the lithium battery to slide, the sliding pipe (11) is fixed with the feeding ring barrel (10) and is communicated with the inner cavity of the feeding ring barrel (10), one end of the sliding pipe (11) far away from the feeding ring barrel (10) is provided with a feeding gap (12), a vertical baffle (13) is fixedly arranged on the side wall of one end of the feeding gap (12), a discharging baffle (14) is fixedly arranged at the other end of the feeding gap (12), one end of the discharging baffle (14) close to the feeding gap (12) is low, the lower end of the feeding ring barrel (10) is fixedly provided with a gradual change ring barrel (15) for guiding the lithium battery to vertically fall, the lower end of the gradual change ring barrel (15) is fixedly provided with a vertical barrel (16), and the lower end of the vertical barrel is provided with a packaging mechanism for packaging a vertical heat pasting film of the lithium battery.
2. The lithium battery heat treatment film pasting device as claimed in claim 1, wherein: the packaging mechanism comprises a sealing ring barrel (20) fixedly arranged on the outer wall of the lower end of a gradual change ring barrel (15) through a support, the sealing ring barrel (20) and a vertical barrel (16) are coaxially arranged, the sealing ring barrel (20) is positioned at the lower end of the vertical barrel (16), a ventilation ring barrel (21) used for placing a ring membrane is sleeved on the inner wall of the sealing ring barrel (20), a plurality of ventilation holes (22) used for the past are formed in the side wall of the ventilation ring barrel (21), an air inlet pipe (23) and an air suction pipe (24) which are communicated with each other are fixedly arranged on the side wall of the sealing ring barrel (20), valves which can be closed when air is not actively guided are arranged on the air inlet pipe (23) and the air suction pipe (24), limit rings (25) are fixedly arranged on the outer wall of the ventilation ring barrel (21) and are positioned at the upper end and the lower end of the sealing ring barrel (20), and the lower end of the ventilation ring barrel (21) is provided with a valve used for conveying the ring membrane to the interior of the ventilation ring barrel (21), and a support device for height limitation of the lithium battery.
3. The lithium battery heat treatment film pasting device as claimed in claim 2, characterized in that: the air inlet pipe (23) and the air suction pipe (24) are located at the same height, the side lines of the air inlet pipe (23) and the air suction pipe (24) parallel to the axis are tangent to the inner wall of the sealing ring barrel (20), and a plurality of blades (27) for air dispersion are arranged on the outer wall of the ventilation ring barrel (21) at the same height as the air inlet pipe (23) and the air suction pipe (24) in an annular array mode around the axis.
4. The lithium battery heat treatment film pasting device as claimed in claim 3, wherein: the supporting device comprises a plurality of quarter-open-ended open ring plates (30), the side walls of the open ring plates (30) are fixedly provided with rotating frames (31), each rotating frame (31) is fixedly provided with a same angle sleeve (32), the center of the angle sleeve (32) is rotatably provided with a fixing rod (33), the fixing rod (33) is fixedly arranged on the outer wall of the lower end of the sliding pipe (11), the open ring plates (30) are coaxial with the sealing ring barrel (20), the upper end face of the open ring plates (30) is in contact with the lower end face of the ventilation ring barrel (21), the inner wall of the lower end of the open ring plates (30) is axially slidably provided with a top ring plate (34) used for limiting the lower end face of the ring barrel, the lower ends of the fixing rods (33) are fixedly provided with bottom ring plates (35), and the bottom ring plates (35) are provided with driving mechanisms used for driving the open ring plates (30) to change stations in a revolution manner, and the bottom ring plate (35) is positioned under the opening ring plate (30) and is provided with a limiting mechanism for pushing the top ring plate (34) to move upwards and limiting the lower end of the ventilation ring barrel (21).
5. The lithium battery heat treatment film pasting device as claimed in claim 4, wherein: the driving mechanism comprises a driving gear (38) which is meshed with the outer wall of the lower end of the angle sleeve (32) through the arranged teeth, the driving gear (38) is connected with a first motor (39) in a coaxial transmission mode, and the first motor (39) is fixedly arranged on the bottom ring plate (35).
6. The lithium battery heat treatment film pasting device as claimed in claim 5, wherein: stop gear includes through fixed initiative cylinder (42) that sets up in bottom crown plate (35) bottom of support, initiative cylinder (42) and top crown plate (34) coaxial line, the vertical spacing sliding connection of initiative cylinder (42) motion sub-pole upper end lateral wall has stop ring board (43), offer the dodge through-hole that is used for dodging stop ring board (43) on bottom crown plate (35).
7. The lithium battery heat treatment film pasting device as claimed in claim 6, wherein: and a material returning long circular arc hole (44) for returning materials is formed in the bottom ring plate (35) along the revolution path of the opening ring plate (30).
8. The lithium battery heat treatment film pasting device as claimed in claim 1, wherein: offer on slide pipe (11) and be used for the wall (46) of intermittent type unloading, slide pipe (11) upper end is rotated through the support and is set up unloading cover (47), tooth transmission that unloading cover (47) were seted up through the rear end outer wall is connected with unloading gear (48), unloading gear (48) rear end coaxial transmission is connected with second motor (49), second motor (49) are fixed to be set up at slide pipe (11) upper end outer wall through the support, unloading cover (47) encircle its axis annular array and are provided with a plurality of closed rings (50) that can carry out the interrupt with wall (46).
9. The lithium battery heat treatment film pasting device as claimed in claim 8, wherein: set up on the closed loop (50) and can be according to the inductor different with lithium cell positive and negative end area of contact, the fixed pendulum pipe (52) that is provided with slide pipe (11) coaxial line of feed ring bucket (10) outer wall, pendulum pipe (52) and feed ring bucket (10) internal chamber intercommunication, the fixed electromagnetism catapult (53) that sets up in pendulum pipe (52) inside, electromagnetism catapult (53) can extend according to the inductor signal, electromagnetism catapult (53) extension end is fixed to be provided with and is used for hindering the preferential hindrance arc board (54) that get into feed ring bucket (10) one end decline of lithium cell.
10. A lithium battery heat treatment film pasting method, which is suitable for the lithium battery heat treatment film pasting device of any one of claims 1 to 9, and is characterized in that: the heat treatment film pasting method for the lithium battery comprises the following specific steps:
the method comprises the following steps: the method comprises the following steps of firstly, transporting a lithium battery needing film pasting to a film pasting site, inspecting the surface of the lithium battery, removing surface impurities, and removing defective lithium batteries;
step two: placing the lithium battery on the discharging baffle (14), so that the lithium battery rolls down into the feeding notch (12) of the sliding pipe (11) along the radian of the discharging baffle (14) and then slides into the feeding ring barrel (10) along the sliding pipe (11);
step three: the lithium battery enters the feeding ring barrel (10), is guided by the gradual change ring barrel (15) to enter the vertical barrel (16), then enters the ventilation ring barrel (21), at the moment, the driving air cylinder (42) just props against the lithium battery, so that the lithium battery is static, hot air is introduced into the sealing ring barrel (20) through an external hot air blower, a ring film on the inner wall of the ventilation ring barrel (21) is heated and thermally shrunk to the surface of the lithium battery, and the film hot-pasting process is completed;
step four: the driving air cylinder (42) contracts and descends, so that the lithium battery subjected to film pasting falls to the inner wall of the open ring plate (30), and then the first motor (39) drives the open ring plate (30) to revolve to drive the lithium battery out of the lower end of the ventilation ring barrel (21) to finish discharging.
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| CN202210610648.5A CN114986869A (en) | 2022-05-31 | 2022-05-31 | Lithium battery heat treatment film pasting device and method |
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| CN202210610648.5A CN114986869A (en) | 2022-05-31 | 2022-05-31 | Lithium battery heat treatment film pasting device and method |
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Effective date of registration: 20240515 Address after: No. 333, Fengcun Road, Fengxian District, Shanghai, 201414 Applicant after: SHANGHAI HUIJUE NETWORK COMMUNICATION EQUIPMENT CO.,LTD. Country or region after: China Address before: No.2, chemical engineering road, songmu Economic Development Zone, shigu District, Hengyang City, Hunan Province Applicant before: Xie Wei Country or region before: China |