CN114865248A - Lithium ion battery liquid injection machine - Google Patents
Lithium ion battery liquid injection machine Download PDFInfo
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- CN114865248A CN114865248A CN202210585726.0A CN202210585726A CN114865248A CN 114865248 A CN114865248 A CN 114865248A CN 202210585726 A CN202210585726 A CN 202210585726A CN 114865248 A CN114865248 A CN 114865248A
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- liquid injection
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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
- 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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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention relates to a lithium ion battery liquid injection machine which comprises a bottom plate, wherein a fixed frame is arranged in the middle of the bottom plate, a storage tank for infusion is arranged in the middle of the fixed frame, the upper end of the fixed frame is connected with a lifting tank for temporarily storing electrolyte through a connecting cylinder, the lower end of the lifting tank is communicated with and provided with liquid injection heads, a gas suction module is connected and arranged between the liquid injection heads, an extrusion assembly matched with the liquid injection heads is arranged in the lifting tank in a vertically sliding mode, the extrusion assembly is connected with the lifting module arranged on the outer wall of the lifting tank, and a clamping sleeve piece positioned right below the liquid injection heads is arranged on a rotatable base. The invention can solve the problems that the sealing condition in the battery box is difficult to ensure after the battery box is contacted with a flat plate after being clamped, air intake can occur after the air is sucked in the battery box, only a small amount of electrolyte can be sucked after negative pressure after a liquid injection valve is opened, and partial electrolyte can be attached to the liquid injection head to be taken away when the liquid injection head is separated from the battery box after negative pressure liquid injection.
Description
Technical Field
The invention relates to the technical field related to battery production, in particular to a lithium ion battery liquid injection machine.
Background
The new energy is the development trend of future society, and lithium ion battery as a high-efficient environmental protection new energy, has the outstanding advantage that operating voltage is high, energy density is big and long service life, has become the first choice power supply equipment of consumer electronics product at present, and lithium ion battery is one of future development direction, and lithium ion battery mainly includes at present in the process of production: the method comprises the steps of material preparation, coating, rolling, cutting, slitting, tab welding, winding, packaging, baking, liquid injection, formation, molding, volume grading detection and the like. Wherein, during the notes liquid, need annotate electrolyte to the inside injection of battery case, current lithium ion battery generally adopts the vacuum to annotate the liquid, specifically annotates the liquid and for inhaling the battery case to the vacuum after, opens the notes liquid valve, and electrolyte is because the automatic battery case that flows in of atmospheric pressure difference effect, however, this kind of notes liquid mode often has some defects in actual operation:
regarding to the sealing problem, before the battery box is sucked to vacuum, a clamp is usually used for clamping the battery box, then a flat plate is used for compressing the upper end of the battery box, so that the battery box is sealed, the body position of the battery box after clamping can form a slightly inclined state, at the moment, the upper end surface of the battery box is not arranged on a horizontal plane, the sealing condition in the battery box is difficult to guarantee after the battery box is contacted with the flat plate, after the air is sucked into the battery box, the air inlet condition can occur, after a liquid injection valve is opened, only a small amount of electrolyte can be sucked through negative pressure, and the situation that liquid injection is unsaturated is caused;
regarding annotate the liquid problem, annotate the back through the negative pressure, electrolyte enters into the battery case after, when will annotating liquid head and battery case separation, partial electrolyte can be attached to annotate the overhead taking away in the lump of liquid to lead to the electrolyte saturation in the battery case to reduce, influence subsequent process.
Therefore, a lithium ion battery electrolyte injection machine is urgently needed to solve the defects.
Disclosure of Invention
First, technical scheme
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a lithium ion battery annotates liquid machine, comprising a base plate, the mid-mounting of bottom plate have the mount, the mid-mounting of mount has the holding vessel of infusion, the upper end of mount is connected with the lift jar that is used for temporary storage electrolyte through connecting the cylinder, the holding vessel is linked together with the lift jar, the lower extreme intercommunication of lift jar is installed and is annotated the liquid head, annotate and connect between the liquid head and install the module of breathing in, with annotate the setting of sliding from top to bottom of liquid head matched with extrusion subassembly in the lift jar, the extrusion subassembly is connected with the lift module of installing at the lift jar outer wall, the centre gripping external member that is located under annotating the liquid head is installed on rotatable base.
Annotate the liquid head including pushing the frame, the elasticity cloth, the stopper, inhale the head, sealed lid, the sealing layer, install the intercommunication groove in the left and right sides both ends symmetry of pushing the frame of lift jar lower extreme, install the elasticity cloth of prevention of seepage material on the intercommunication groove, the extrusion subassembly that descends stops descending after contacting with the stopper, at this moment, the electrolyte that is in extrusion subassembly below is in the state that overflows that fills, and the electrolyte that this part spills over can continue to store under the elasticity of elasticity cloth struts, the stopper is installed to the upper end in intercommunication groove, it installs the head of inhaling to push frame lower extreme middle part intercommunication, the lower pot head of inhaling is established and is installed at sealed lid, the internally mounted of sealed lid has the sealing layer, the sealing layer wraps up the upper end of battery case, the leakproofness between sealed lid and the battery case upper end has been improved.
The suction module comprises a suction pipe, a collecting pipe, a suction pump, a sealing valve, a connecting column and a rotating motor, wherein one end of the suction pipe extends into the sealing cover, the other end of the suction pipe is communicated with the collecting pipe, the middle part of the upper end of the collecting pipe is communicated with the suction pump arranged on the side wall of the lifting tank, the suction head and the suction pipe are connected with the sealing valve through a sealing bearing, the connecting column is connected between the adjacent sealing valves, a rotatable shaft body is formed between the connecting column and the sealing valve, and the rightmost side of the shaft body is connected with an output shaft of the rotating motor arranged on one side of the lifting tank.
Foretell, the holding vessel include a jar body, delivery pump, flexible pipe, jar body is installed on the mount, the delivery pump is installed to the intercommunication between jar body and the one end of flexible pipe, the delivery pump is installed on a jar external side wall, the other end and the lift jar of flexible pipe are linked together, flexible pipe set up guaranteed the smooth switch-on between the lift jar of liftable and the fixed mounting's the delivery pump.
Foretell, the sealing layer include extrusion ring, built-in spring, the laminating gasbag, the ring channel has been seted up to the inside of sealed lid, the ring channel internal seal slides and is provided with the extrusion ring, form sealed chamber between the upper end of extrusion ring and the ring channel, be connected built-in spring between extrusion ring and the ring channel, built-in spring keeps the trend of pushing downwards all the time to the extrusion ring, sealed chamber passes through the connecting pipe and is connected with annular structure's laminating gasbag, initial laminating gasbag is in unsaturated overflow state, the setting of this state does benefit to the battery case and enters into sealed lid in, the laminating gasbag is installed on the annular inside wall of sealed lid.
The clamping sleeve piece comprises a built-in cylinder, clamping assemblies, elastic telescopic rods and a lower pressing plate, the clamping assemblies are evenly arranged on the inner wall of the built-in cylinder along the circumferential direction of the built-in cylinder, the lower pressing plate is arranged between the clamping assemblies in a matched mode, the elastic telescopic rods are connected between the lower end of the lower pressing plate and the bottom of the built-in cylinder, and the elastic telescopic rods always keep the trend of upwards pushing the lower pressing plate.
Foretell, the centre gripping subassembly include grip block, extrusion piece, the grip block horizontal slip sets up in built-in section of thick bamboo, and is connected with reset spring between built-in section of thick bamboo and the grip block, reset spring plays the effect that elasticity resets, the extrusion piece is installed to the lower extreme of grip block, extrudees between the inclined plane of extrusion piece and the inclined plane of holding down plate and laminates mutually.
The sealing valve comprises an I-shaped cylinder, a ventilation cavity and a communication cavity, the ventilation cavity is formed in the right end of the I-shaped cylinder, the communication cavity is formed in the left end of the I-shaped cylinder, the ventilation cavity and the communication cavity are arranged at a crossed angle, the crossed arrangement ensures that the sealing valve is opened for one of the suction pipe and the suction head, the other suction head is in a closed state, the ventilation cavity is located in the suction pipe, and the communication cavity is located in the suction head.
Foretell, the middle part of linking up the post be connected with the steady rest through the bearing, the steady rest's setting has improved the stable rotation of linking up the post, the steady rest is installed and is pushed in between the frame adjacent.
The extrusion assembly comprises a sliding rod, a pressing plate and a sleeving frame, the sliding rod is arranged on the lifting tank in a vertical sliding mode, the pressing plate is arranged at the lower end of the sliding rod and is positioned in the sleeving frame, the sleeving frame is sleeved on the sliding rod, a discharge groove is formed in the edge of the lower end of the sleeving frame in a shape returning mode, the pushing frame is temporarily in a depletion state after the battery boxes of the previous batch are filled with electrolyte, the electrolyte in the lifting tank can automatically flow into the pushing frame, but the self-flowing speed is slow, when the next batch of battery boxes are filled with electrolyte, the electrolyte pushed into the frame may not be fully filled, at the moment, the descending of the sleeving frame can drive part of the electrolyte in the lifting tank to be pressed downwards together, thereby accelerating the replenishment of the electrolyte pushed into the frame, after the sleeving frame is contacted with the lower end face of the lifting tank, electrolyte pushed into the frame is replenished at the moment, and the electrolyte in the sleeving frame can be extruded out of the discharge groove by the independently descending pressing plate.
The lifting module comprises a connecting plate, a driving cylinder, an insulating seat, a power supply block, a starting switch and a rotating piece, wherein the connecting plate is installed at the ejection end of the driving cylinder installed on the lifting tank;
the upper end horizontal part of the sliding rod is attached to the upper end face of the connecting plate, the upper end horizontal part of the sliding rod is connected with the connecting plate in a locking mode through the threaded connecting piece, when the liquid injection head is not used, the corresponding sliding rod and the connecting plate are unlocked, the extrusion assembly cannot fall down synchronously and forcibly along with the falling of the connecting plate at the moment, and then electrolyte pushed into the frame cannot be ejected.
The base comprises a working motor and a rotating plate, the working motor is mounted on the base plate through the L-shaped frame, an output shaft of the working motor is connected with one end of the rotating plate, and the rotating plate is rotatably arranged on the base plate.
Secondly, the beneficial effects
1. According to the lithium ion battery electrolyte injection machine, for the sealing problem, the battery box is positioned at the lower end and aligned at the upper end, the sealing cover of the cover body structure is pressed and attached on the plate surface, so that the fit sealing of the upper end of the battery box is facilitated, the sealing degree is improved, the situation that gas enters again after air suction is avoided, for the situation that the electrolyte injection is incomplete, the electrolyte injection is assisted in a mode that a mechanical piston presses down during negative pressure electrolyte injection, the electrolyte fully enters the battery box, and when a subsequent electrolyte injection head is separated from the battery box, a small amount of electrolyte to be overflowed is downwards extruded through plane resetting of an elastic cloth and drops onto the electrolyte in the battery box, so that the electrolyte which is carried away is compensated, and the saturation degree of the electrolyte in the battery box is maintained;
2. according to the lithium ion battery electrolyte injection machine, the sealing cover, the sealing layer and the clamping sleeve are matched, so that the periphery of the lower end of the built-in battery box is synchronously clamped, meanwhile, the descending sealing cover is in positive correspondence with the upper end of the battery box, and the upper end of the battery box is further sealed in an annular wrapping manner through extrusion wrapping of the sealing layer, so that the sealing property in the battery box before air suction is ensured;
3. the lithium ion battery electrolyte injection machine adopts the design concept of linkage structure among the electrolyte injection head, the air suction module, the extrusion assembly and the lifting module, after the battery box is vacuumized, the sealing valve is driven to rotate by rotating the motor, so that the air suction pipe is closed and the suction head is opened, and then negative pressure is used for sucking liquid, meanwhile, the internal power supply path of the lifting module drives the extrusion assembly to descend after the driving cylinder is electrified, so that mechanical auxiliary liquid injection is carried out, after the primary liquid injection is finished and the liquid injection head is separated from the battery box up and down, the lower end of the liquid injection head is ventilated, the liquid injection head is converted into plane restoration from outward expansion by the elasticity of the elastic cloth, thereby extruding a small amount of the surplus electrolyte pushed into the frame downwards to drop into the battery box, thereby compensating for the electrolyte being carried away, and thus maintaining the saturation of the electrolyte in the battery case, at which time the injection is completed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the back structure of the telescopic tube, the lifting tank, the liquid injection head, the air suction module, the extrusion assembly and the lifting module of the present invention;
figure 3 is a schematic view of the construction of the sealing valve of the present invention;
FIG. 4 is a partial cross-sectional view of the clamping assembly of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5 of the present invention;
FIG. 7 is a cross-sectional view B-B of FIG. 5 of the present invention;
fig. 8 is an enlarged view of a portion of the invention at X of fig. 6.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
In addition, the following terms are defined based on the functions of the present invention, and may be different depending on the intention of a user or an operator or a common practice. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 8, a lithium ion battery electrolyte injection machine provided by an embodiment of the present invention includes a bottom plate 1, a fixing frame 2 is installed in the middle of the bottom plate 1, a storage tank 3 for infusion is installed in the middle of the fixing frame 2, the upper end of the fixing frame 2 is connected to a lifting tank 4 for temporarily storing electrolyte through a connecting cylinder, the storage tank 3 is communicated with the lifting tank 4, an electrolyte injection head 5 is installed in the lower end of the lifting tank 4 in a communicating manner, an air suction module 6 is installed between the electrolyte injection heads 5 in a connecting manner, an extrusion assembly 7 matched with the electrolyte injection head 5 is arranged in the lifting tank 4 in an up-and-down sliding manner, the extrusion assembly 7 is connected to a lifting module 8 installed on the outer wall of the lifting tank 4, and a clamping sleeve 9 located right below the electrolyte injection head 5 is installed on a rotatable base 10.
The liquid injection head 5 comprises a push-in frame 51, an elastic cloth 52, a limiting block 53, a suction head 54, a sealing cover 55 and a sealing layer 56, wherein communicating grooves are symmetrically formed in the left end and the right end of the push-in frame 51 at the lower end of the lifting tank 4, the communicating grooves are provided with the elastic cloth 52 made of impermeable materials, the descending extrusion assembly 7 stops descending after contacting with the limiting block 53, at the moment, the electrolyte below the extrusion assembly 7 is in an overflowing state, the electrolyte overflowing from the part of the electrolyte is continuously stored under the elastic support of the elastic cloth 52, the upper end of the communicating groove is provided with a limiting block 53, the middle part of the lower end of the push frame 51 is communicated and provided with a suction head 54, the lower end of the suction head 54 is sleeved and arranged on a sealing cover 55, a sealing layer 56 is arranged inside the sealing cover 55, the sealing layer 56 wraps the upper end of the battery box, and the sealing performance between the sealing cover 55 and the upper end of the battery box is improved.
The suction module 6 comprises a suction pipe 61, a collecting pipe 62, a suction pump 63, a sealing valve 64, a connecting column 65 and a rotating motor 66, one end of the suction pipe 61 extends into the sealing cover 55, the other end of the suction pipe 61 is communicated with the collecting pipe 62, the middle part of the upper end of the collecting pipe 62 is communicated with the suction pump 63 arranged on the side wall of the lifting tank 4, the suction head 54 is connected with the suction pipe 61 through a sealing bearing and the sealing valve 64, the connecting column 65 is connected between the adjacent sealing valves 64, a rotatable shaft body is formed between the connecting column 65 and the sealing valve 64, and the rightmost side of the shaft body is connected with an output shaft of the rotating motor 66 arranged on one side of the lifting tank 4.
Specifically, the clamping sleeve member 9 is driven to rotate forwards through the rotation of the base 10, the battery box is orderly placed in the clamping sleeve member 9, then the base 10 is reset in an angle, the battery box is just opposite to the lower part of the liquid injection head 5, the lifting tank 4 and the liquid injection head 5 are driven to descend integrally through the connecting cylinder, under the action of mutual extrusion force, the clamping sleeve member 9 clamps and positions the lower half part of the battery box, the sealing layer 56 hermetically wraps the upper end opening position to form a sealed space in the battery box, the interior of the battery box is pumped to a vacuum state through air suction of the air suction pump 63, negative pressure is formed in the battery box, the sealing valve 64 is driven to rotate through the rotating motor 66, the air suction pipe 61 is closed, the suction head 54 is opened, electrolyte pushed into the frame 51 under the action of air pressure difference is sucked into the battery box, meanwhile, along with the rotation of the connecting column 65, the lifting module 8 is triggered to start, the lifting module 8 drives the extrusion assembly 7 to descend, and when air suction is performed, the descending extrusion assembly 7 mechanically descends the electrolyte in the pushing frame 51 until the extrusion assembly 7 descends to contact with the limiting block 53 to stop descending, at the moment, the air suction stops, the extrusion assembly 7 also descends, and the elastic cloth 52 expands outwards (at the moment, the electrolyte in the battery box is filled, the electrolyte in the space part of the pushing frame 51 below the extrusion assembly 7 is also in an overflowing state, the elastic cloth 52 is propped outwards by the electrolyte in the overflowing part), then the lifting tank 4 and the injection head 5 are driven to integrally lift back by the connecting cylinder, at the moment, the lifting sealing cover 55 can take away a small amount of electrolyte when being separated from the upper layer of the electrolyte, so that the electrolyte in the battery box is not filled, and the overflowing electrolyte in the space part of the pushing frame 51 below the extrusion assembly 7 can be downwards extruded when the plane of the elastic cloth 52 is restored, thereby pour into in the battery case electrolyte into for electrolyte in the battery case is annotated again and is filled up, annotates the liquid and finishes, inhale through the negative pressure gas and fully pour into the battery case with electrolyte with the mode that machinery pushed down, to the condition that follow-up sealed lid 55 separation leads to a small amount of electrolyte to be taken away, thereby restore through the plane of elastic cloth 52 and shift the electrolyte that will overflow and carry the battery case in, make the battery case annotate again and fill up, improved notes liquid efficiency.
In another embodiment provided by the present invention, further, the storage tank 3 includes a tank 31, a delivery pump 32, and an extension tube 33, the tank 31 is mounted on the fixed frame 2, the delivery pump 32 is mounted between the tank 31 and one end of the extension tube 33, the delivery pump 32 is mounted on an outer side wall of the tank 31, the other end of the extension tube 33 is communicated with the lifting tank 4, and the extension tube 33 is disposed to ensure smooth connection between the lifting tank 4 and the delivery pump 32 which is fixedly mounted.
Specifically, the electrolyte in the tank 31 is intermittently fed to the lift tank 4 by the feed pump 32, thereby compensating for the consumption of the electrolyte in the lift tank 4.
Further, sealing layer 56 include extrusion ring 561, built-in spring 562, laminating gasbag 563, the annular groove has been seted up to sealed inside of lid 55, the annular groove internal seal slides and is provided with extrusion ring 561, form sealed chamber between extrusion ring 561's upper end and the annular groove, be connected built-in spring 562 between extrusion ring 561 and the annular groove, built-in spring 562 keeps the trend of pushing down all the time to extrusion ring 561, sealed chamber passes through the connecting pipe and is connected with annular structure's laminating gasbag 563, initial laminating gasbag 563 is in unsaturated overflow state, the setting of this state does benefit to the battery case and enters into sealed lid 55 in, laminating gasbag 563 is installed on the annular inside wall of sealed lid 55.
Further, the clamping kit 9 includes a built-in cylinder 91, clamping assemblies 92, an elastic expansion link 93 and a lower pressing plate 94, the clamping assemblies 92 are uniformly installed on the inner wall of the built-in cylinder 91 along the circumferential direction of the inner wall, the lower pressing plate 94 is arranged between the clamping assemblies 92 in a matching manner, the elastic expansion link 93 is connected between the lower end of the lower pressing plate 94 and the bottom of the built-in cylinder 91, and the elastic expansion link 93 always keeps a trend of pushing the lower pressing plate 94 upwards.
Further, the clamping assembly 92 comprises a clamping plate 921 and an extrusion block 922, the clamping plate 921 is horizontally slidably arranged in the built-in cylinder 91, a return spring is connected between the built-in cylinder 91 and the clamping plate 921, the return spring plays a role in elastic reset, the extrusion block 922 is installed at the lower end of the clamping plate 921, and the inclined surface of the extrusion block 922 is attached to the inclined surface of the lower pressing plate 94 in an extrusion manner.
Specifically, when the battery case was put into built-in section of thick bamboo 91 (the battery case did not contact with between the peripheral grip block 921 this moment), drive lift jar 4 through connecting the cylinder, annotate liquid head 5, sealed lid 55 wholly descends, it drives in the ring channel gradually to retract to descend in-process extrusion ring 561 and the battery case upper end back drive extrusion ring 561, thereby with the gas in the sealed chamber through the connecting pipe extrude in laminating gasbag 563, laminating gasbag 563 after overflowing carries out hugging closely the formula parcel to the battery case upper end, meanwhile, lower plate 94 drives lower plate 94 with the battery case lower end back and descends, lower plate 94 that descends extrudees to extrusion piece 922 and makes the whole axle center of built-in section of thick bamboo 91 of grip block 921 draw close together, thereby contact and fix a position the battery case centre gripping with the battery case lateral wall.
Further, the sealing valve 64 includes an I-shaped cylinder 641, a vent chamber 642 and a communication chamber 643, the vent chamber 642 is opened at the right end of the I-shaped cylinder 641, the communication chamber 643 is opened at the left end of the I-shaped cylinder 641, and the vent chamber 642 and the communication chamber 643 are arranged at a crossed angle, the crossed arrangement ensures that the sealing valve 64 opens one of the suction pipe 61 and the suction head 54, while the other is in a closed state, the vent chamber 642 is located in the suction pipe 61, and the communication chamber 643 is located in the suction head 54.
Further, the middle part of the joining column 65 is connected with a stabilizing frame through a bearing, the stable rotation of the joining column 65 is improved by the arrangement of the stabilizing frame, and the stabilizing frame is installed between the adjacent pushing frames 51.
Specifically, the rotating motor 66 drives the I-shaped cylinder 641 to rotate, at this time, the ventilation cavity 642 is arranged to intersect with the air suction pipe 61, the interior of the air suction pipe 61 is closed, the communication cavity 643 is communicated with the suction head 54, and the interior of the suction head 54 is in a liquid communication state.
Further, the extrusion assembly 7 includes a sliding rod 71, a pressing plate 72 and a sleeving frame 73, the sliding rod 71 is slidably disposed on the lifting tank 4 up and down, the pressing plate 72 is disposed at the lower end of the sliding rod 71, the pressing plate 72 is disposed in the sleeving frame 73, the sleeving frame 73 is sleeved on the sliding rod 71, a discharge slot is disposed at the lower end edge of the sleeving frame 73 in a reverse shape, the pushing frame 51 is temporarily in a depletion state after the battery box of the previous batch is filled with electrolyte, the electrolyte in the lifting tank 4 automatically flows into the pushing frame 51, but the self-flowing speed is slow, when the battery box of the next batch is filled with electrolyte, the electrolyte in the pushing frame 51 may not be filled, at this time, the dropping of the sleeving frame 73 can drive a part of the electrolyte in the lifting tank 4 to be pressed down together, so as to accelerate the supplement of the electrolyte in the pushing frame 51, after the sleeving frame 73 is contacted with the lower end surface of the lifting tank 4, at this time, the supplement of the electrolyte in the pushing frame 51 is also completed, the pressing plate 72, which is lowered alone, pushes the electrolyte in the housing frame 73 out of the discharge slot.
Further, the lifting module 8 comprises a connecting plate 81, a driving cylinder 82, an insulating base 83, a power block 84, a starting switch 85 and a rotating member 86, the connecting plate 81 is mounted at the ejection end of the driving cylinder 82 mounted on the lifting tank 4, the lower end of the driving cylinder 82 extends into the insulating base 83, the power block 84 and the starting switch 85 are sequentially mounted inside the insulating base 83 mounted at the lower end of the lifting tank 4, the power block 84, the starting switch 85 and the driving cylinder 82 are electrically connected, and the rotating member 86 matched with the starting switch 85 is mounted on the connecting column 65;
furthermore, the upper end horizontal part of the sliding rod 71 is attached to the upper end face of the connecting plate 81, the upper end horizontal part of the sliding rod 71 is locked and connected with the connecting plate 81 through a threaded connecting piece, when the liquid injection head 5 is not used, the corresponding sliding rod 71 is unlocked from the connecting plate 81, and at the moment, the extrusion assembly 7 cannot fall synchronously and forcibly along with the falling of the connecting plate 81, so that the electrolyte pushed into the frame 51 cannot be ejected.
Specifically, after the battery box is vacuumized, the sealing valve 64 is driven to rotate by rotating the motor 66, the rotating member 86 rotates synchronously, after the sealing valve 64 rotates, the rotating member 86 touches the starting switch 85 to trigger, at this time, a complete passage is formed among the driving cylinder 82, the insulating seat 83, the power supply block 84 and the starting switch 85, the driving cylinder 82 is electrified to drive the connecting plate 81 to descend, so as to drive the extrusion assembly 7 to descend integrally, in the descending process, the sleeving frame 73 and the pressing plate 72 descend synchronously for a certain distance, and then the pressing plate 72 descends independently (the sleeving frame 73 stops descending after contacting with the lower end of the lifting tank 4), the pressing plate 72 descending independently enters the pushing frame 51, so that the electrolyte pushed into the frame 51 is mechanically pushed downwards into the battery box until the pressing plate 72 stops descending after contacting with the limiting block 53, so as to inject the battery box, after the injection, the driving cylinder 82 drives the pressing plate 72 to ascend, thereafter, the sealing valve 64 is rotationally reset in the reverse direction, so that the suction head 54 is closed and the drive cylinder 82 is de-energized.
Further, the base 10 includes a working motor 101 and a rotating plate 102, the working motor 101 is mounted on the base plate 1 through an L-shaped frame, an output shaft of the working motor 101 is connected with one end of the rotating plate 102, and the rotating plate 102 is rotatably disposed on the base plate 1.
Specifically, the rotating plate 102 is driven to rotate by the working motor 101, so that the battery box is placed.
When the device works totally:
placing a battery box: the rotating plate 102 is driven to rotate forwards by the working motor 101, the battery box is placed in the clamping sleeve 9, and then the rotating plate 102 rotates and resets;
clamping and sealing: the lifting tank 4 and the liquid injection head 5 are driven to integrally descend through the connecting air cylinder, the clamping sleeve 9 clamps and positions the lower half part of the battery box under the action of mutual extrusion force, and the sealing layer 56 hermetically wraps the opening position of the upper end;
and (3) vacuum treatment: the inside of the battery box is pumped to a vacuum state through air suction of the air suction pump 63, so that negative pressure is formed in the battery box;
primary liquid injection: the sealing valve 64 is driven to rotate by rotating the motor 66, so that the air suction pipe 61 is closed, the suction head 54 is opened, the electrolyte pushed into the frame 51 is sucked into the battery box under the action of air pressure difference, meanwhile, the starting switch 85 is started along with the synchronous rotation of the connecting column 65 and the rotating member 86, the extrusion assembly 7 is driven to descend after the driving cylinder 82 is electrified, the electrolyte pushed into the frame 51 is mechanically descended by the descending extrusion assembly 7 during negative pressure air suction until the extrusion assembly 7 descends to contact the limiting block 53 to stop descending, and at the moment, the air suction is stopped, and the liquid injection is primarily completed;
and (3) complete liquid injection: then, the lifting tank 4 and the liquid injection head 5 are driven to integrally rise back through the connecting air cylinder, after the sealing cover 55 is separated at the upper end of the battery box, redundant electrolyte pushed into the lower half part of the frame 51 is extruded downwards under the plane restoration of the elastic cloth 52, and then the electrolyte is injected into the battery box, so that the electrolyte in the battery box is filled again, and the liquid injection is finished;
taking out: the battery case is taken out for sealing treatment, and is transported to the next process.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a lithium ion battery annotates liquid machine, includes bottom plate (1), its characterized in that: the middle of the bottom plate (1) is provided with a fixing frame (2), the middle of the fixing frame (2) is provided with a storage tank (3) for infusion, the upper end of the fixing frame (2) is connected with a lifting tank (4) for temporarily storing electrolyte through a connecting cylinder, the storage tank (3) is communicated with the lifting tank (4), the lower end of the lifting tank (4) is communicated with a liquid injection head (5), a gas suction module (6) is connected and installed between the liquid injection heads (5), an extrusion assembly (7) matched with the liquid injection head (5) is arranged in the lifting tank (4) in a vertically sliding manner, the extrusion assembly (7) is connected with a lifting module (8) installed on the outer wall of the lifting tank (4), and a clamping sleeve piece (9) positioned right below the liquid injection head (5) is installed on a rotatable base (10);
the liquid injection head (5) comprises a push-in frame (51), elastic cloth (52), a limiting block (53), a suction head (54), a sealing cover (55) and a sealing layer (56), wherein communicating grooves are symmetrically formed in the left end and the right end of the push-in frame (51) arranged at the lower end of the lifting tank (4), the elastic cloth (52) made of impermeable materials is arranged on the communicating grooves, the limiting block (53) is arranged at the upper end of the communicating grooves, the suction head (54) is arranged in the middle of the lower end of the push-in frame (51) in a communicating mode, the lower end of the suction head (54) is sleeved and arranged on the sealing cover (55), and the sealing layer (56) is arranged inside the sealing cover (55);
the air suction module (6) comprises an air suction pipe (61), a gathering pipe (62), an air suction pump (63), a sealing valve (64), a connecting column (65) and a rotating motor (66), one end of the air suction pipe (61) extends into the sealing cover (55), the other end of the air suction pipe (61) is communicated with the gathering pipe (62), the middle of the upper end of the gathering pipe (62) is communicated with the air suction pump (63) arranged on the side wall of the lifting tank (4), a suction head (54) is connected with the air suction pipe (61) through a sealing bearing and the sealing valve (64), the connecting column (65) is connected between the adjacent sealing valves (64), a rotatable shaft body is formed between the connecting column (65) and the sealing valve (64), and the rightmost side of the shaft body is connected with an output shaft of the rotating motor (66) arranged on one side of the lifting tank (4).
2. The lithium ion battery electrolyte filling machine according to claim 1, characterized in that: the storage tank (3) comprises a tank body (31), a delivery pump (32) and an expansion pipe (33), wherein the tank body (31) is installed on the fixed frame (2), the delivery pump (32) is communicated and installed between the tank body (31) and one end of the expansion pipe (33), the delivery pump (32) is installed on the outer side wall of the tank body (31), and the other end of the expansion pipe (33) is communicated with the lifting tank (4).
3. The lithium ion battery electrolyte filling machine according to claim 1, characterized in that: sealing layer (56) including extrusion ring (561), built-in spring (562), laminating gasbag (563), the annular groove has been seted up to the inside of sealed lid (55), the annular groove internal seal slides and is provided with extrusion ring (561), form sealed chamber between the upper end of extrusion ring (561) and the annular groove, be connected built-in spring (562) between extrusion ring (561) and the annular groove, sealed chamber passes through the connecting pipe and is connected with annular structure's laminating gasbag (563), install on the annular inside wall of sealed lid (55) laminating gasbag (563).
4. The lithium ion battery electrolyte filling machine according to claim 1, characterized in that: the sealing valve (64) comprises an I-shaped cylinder (641), a vent cavity (642) and a communication cavity (643), wherein the vent cavity (642) is arranged at the right end of the I-shaped cylinder (641), the communication cavity (643) is arranged at the left end of the I-shaped cylinder (641), the vent cavity (642) and the communication cavity (643) are arranged in a crossed angle mode, the vent cavity (642) is located in the air suction pipe (61), and the communication cavity (643) is located in the suction head (54).
5. The lithium ion battery electrolyte filling machine according to claim 1, characterized in that: the extrusion assembly (7) comprises a sliding rod (71), a pressing plate (72) and a sleeved frame (73), the sliding rod (71) is arranged on the lifting tank (4) in a vertically sliding mode, the pressing plate (72) is installed at the lower end of the sliding rod (71), the pressing plate (72) is located in the sleeved frame (73), the sleeved frame (73) is sleeved on the sliding rod (71), and a discharge groove is formed in the lower end edge of the sleeved frame (73).
6. The lithium ion battery electrolyte filling machine according to claim 5, characterized in that: the lifting module (8) comprises a connecting plate (81), a driving cylinder (82), an insulating seat (83), a power block (84), a starting switch (85) and a rotating piece (86), the connecting plate (81) is installed at the ejection end of the driving cylinder (82) installed on the lifting tank (4), the lower end of the driving cylinder (82) extends into the insulating seat (83), the power block (84) and the starting switch (85) are sequentially installed inside the insulating seat (83) installed at the lower end of the lifting tank (4), the power block (84), the starting switch (85) and the driving cylinder (82) are electrically connected, and the rotating piece (86) matched with the starting switch (85) is installed on the connecting column (65);
the upper end horizontal part of the sliding rod (71) is attached to the upper end face of the connecting plate (81), and the upper end horizontal part of the sliding rod (71) is in locking connection with the connecting plate (81) through a threaded connecting piece.
7. The lithium ion battery electrolyte filling machine according to claim 1, characterized in that: the clamping sleeve member (9) comprises a built-in cylinder (91), clamping components (92), elastic telescopic rods (93) and a lower pressing plate (94), the clamping components (92) are uniformly installed on the inner wall of the built-in cylinder (91) along the circumferential direction of the inner wall, the lower pressing plate (94) is arranged between the clamping components (92) in a matched mode, and the elastic telescopic rods (93) are connected between the lower end of the lower pressing plate (94) and the bottom of the built-in cylinder (91).
8. The lithium ion battery electrolyte filling machine according to claim 7, characterized in that: the clamping assembly (92) comprises a clamping plate (921) and an extrusion block (922), the clamping plate (921) is horizontally arranged in a built-in barrel (91) in a sliding mode, a return spring is connected between the built-in barrel (91) and the clamping plate (921), the extrusion block (922) is installed at the lower end of the clamping plate (921), and the inclined surface of the extrusion block (922) and the inclined surface of the lower pressing plate (94) are attached to each other in an extrusion mode.
9. The lithium ion battery electrolyte filling machine according to claim 1, characterized in that: the base (10) comprises a working motor (101) and a rotating plate (102), the working motor (101) is installed on the bottom plate (1) through an L-shaped frame, an output shaft of the working motor (101) is connected with one end of the rotating plate (102), and the rotating plate (102) is rotatably arranged on the bottom plate (1).
10. The lithium ion battery electrolyte filling machine according to claim 1, characterized in that: the middle part of the connecting column (65) is connected with a stabilizing frame through a bearing, and the stabilizing frame is arranged between the adjacent pushing frames (51).
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| CN117983475A (en) * | 2024-04-03 | 2024-05-07 | 张家港飞腾复合新材料股份有限公司 | Gluing equipment for aluminum oxide honeycomb composite board |
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