CN216872220U - Centrifugal liquid injection device - Google Patents
Centrifugal liquid injection device Download PDFInfo
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- CN216872220U CN216872220U CN202123210423.0U CN202123210423U CN216872220U CN 216872220 U CN216872220 U CN 216872220U CN 202123210423 U CN202123210423 U CN 202123210423U CN 216872220 U CN216872220 U CN 216872220U
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Abstract
The utility model relates to the technical field of lithium ion battery production, and provides a centrifugal liquid injection device which comprises a centrifugal driving mechanism, a liquid injection mechanism and a liquid injection mechanism, wherein the centrifugal driving mechanism is used for placing a battery cell and driving the battery cell to rotate; the liquid injection mechanism is arranged on the centrifugal driving mechanism and used for injecting liquid into the battery cell; and the electrolyte discharge mechanism is arranged on the centrifugal driving mechanism and is used for discharging redundant electrolyte in the electric core. The battery core is driven to rotate by the centrifugal driving mechanism to generate centrifugal force, the electrolyte injection mechanism injects excessive electrolyte into the battery core, the electrolyte injection and infiltration efficiency is improved under the action of the centrifugal force, and the excessive electrolyte in the battery core is discharged by the electrolyte discharge mechanism, so that the quality of the battery is ensured.
Description
Technical Field
The utility model relates to the technical field of lithium ion battery production, in particular to a centrifugal liquid injection device.
Background
In the production of the lithium ion battery, the injection of electrolyte is a key process. The quality of the treatment in the process directly affects the quality of the whole battery. Therefore, a centrifugal liquid injection mode is generated, a solid-liquid separation device is adopted, the single batteries are uniformly distributed around the rotating shaft, the flow of the electrolyte is accelerated by utilizing the centrifugal force generated when the rotating shaft moves, and the electrolyte is injected into the batteries.
The existing centrifugal liquid injection device only adopts centrifugal force as the flow driving force of electrolyte, the liquid injection efficiency is low, and the excessive injection of the electrolyte cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a centrifugal liquid injection device, which is used for solving the defect of low liquid injection efficiency of a battery core in the prior art, realizing excessive liquid injection of the battery core and improving the liquid injection efficiency.
The utility model provides a centrifugal liquid injection device, comprising:
the centrifugal driving mechanism is used for placing the battery cell and driving the battery cell to rotate;
the liquid injection mechanism is arranged on the centrifugal driving mechanism and used for injecting liquid into the battery cell;
and the electrolyte discharge mechanism is arranged on the centrifugal driving mechanism and is used for discharging redundant electrolyte in the electric core.
According to the centrifugal liquid injection device provided by the utility model, the centrifugal driving mechanism comprises a driving part, a rotating shaft and a rotating disc, the output end of the driving part is in transmission connection with the rotating shaft which is vertically arranged, the rotating disc is sleeved on the rotating shaft, an operation plate is arranged on the periphery of the rotating disc, and a placing position for placing the battery cell is arranged on the operation plate.
According to the centrifugal liquid injection device provided by the utility model, the liquid injection mechanism comprises a liquid storage device and a quantitative pump, the liquid storage device is arranged above the rotating shaft through a rack, the quantitative pump is arranged on the rotating disc, a liquid inlet of the quantitative pump is connected with a liquid outlet of the liquid storage device, and a liquid outlet of the quantitative pump is used for being connected with a liquid injection port of a battery core.
According to the centrifugal liquid injection device provided by the utility model, the electrolyte discharge mechanism comprises a lifting assembly, and the operation plate is hinged with the peripheral side of the turntable;
the lifting assembly comprises a sliding sleeve, a connecting rod and a spring, the sliding sleeve is sleeved on the rotating shaft and can slide axially of the rotating shaft, the sliding sleeve is located between the liquid storage device and the rotating disc, the sliding sleeve is hinged to the first end of the connecting rod, the second end of the connecting rod is hinged to the operating plate, an elastic piece is arranged on the rotating disc, and the elastic piece is matched with the sliding sleeve in a return mode.
According to the centrifugal liquid injection device provided by the utility model, the placing position is provided with the weighing tray, and the battery cell is fixed on the weighing tray.
According to the centrifugal liquid injection device provided by the utility model, the electrolyte discharge mechanism comprises a rotation driving mechanism which can rotate the liquid injection port of the battery cell by a set angle.
According to the centrifugal liquid injection device provided by the utility model, the rotary driving mechanism comprises a rotary motor arranged at a placing position, the placing position is provided with a weighing tray, the battery cell is fixed on the weighing tray, and the output end of the rotary motor is connected with the weighing tray.
According to the centrifugal liquid injection device provided by the utility model, the rotary driving mechanism comprises a rotary component positioned on the operation plate on one side of the placing position, and the rotary component comprises a rotary clamping jaw which is used for clamping the battery cell and driving the battery cell to rotate.
According to the centrifugal liquid injection device provided by the utility model, the rotating assembly further comprises a linear guide rail and a sliding block, the linear guide rail is arranged on the operation plate on one side of the placing position and is vertical to the operation plate, the sliding block is slidably arranged on the linear guide rail, and the rotating clamping jaw is arranged on the sliding block.
According to the centrifugal liquid injection device provided by the utility model, the rotating shaft is provided with the hydraulic slip ring, the liquid storage device is arranged on the hydraulic slip ring, the liquid outlet of the liquid storage device is connected with the liquid inlet of the hydraulic slip ring, and the liquid outlet of the hydraulic slip ring is connected with the constant delivery pump.
The centrifugal liquid injection device provided by the utility model comprises a centrifugal driving mechanism, a liquid injection mechanism and a liquid injection mechanism, wherein the centrifugal driving mechanism is used for placing a battery cell and driving the battery cell to rotate; the liquid injection mechanism is arranged on the centrifugal driving mechanism and used for injecting liquid into the battery cell; electrolyte discharge mechanism, electrolyte discharge mechanism locates on the centrifugal drive mechanism, be used for making unnecessary electrolyte in the electric core is discharged, and it is rotatory through centrifugal drive mechanism drive electric core, produces centrifugal force, annotates liquid mechanism and pours into excess electrolyte into to electric core, under centrifugal force, improves and annotates liquid and infiltration efficiency, and unnecessary electrolyte is discharged in rethread electrolyte discharge mechanism will electric core, guarantees battery quality.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a first embodiment of a centrifugal liquid injection device provided by the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the centrifugal liquid injection device provided by the present invention;
FIG. 3 is a schematic structural diagram of a weighing tray in a second embodiment of the centrifugal liquid injection device provided by the utility model;
FIG. 4 is a schematic structural diagram of a centrifugal liquid injection device according to a third embodiment of the present invention;
FIG. 5 is a side view of a rotating assembly in a third embodiment of a centrifugal priming device provided by the present invention;
FIG. 6 is a top view of a rotating assembly in a third embodiment of the centrifugal priming device provided by the present invention;
reference numerals:
1: a reservoir; 2: a rotating shaft; 3: a fluid delivery conduit;
4: a hydraulic slip ring; 5: a sliding sleeve; 6: a connecting rod;
7: a constant delivery pump; 8: an electric core; 9: an operation plate;
10: a weighing tray; 11: a spring; 12: a driven gear;
13: a driving gear; 14: a drive member; 15: a turntable;
16: rotating the clamping jaw; 17: a linear guide rail; 18: a slider;
19: a weighing module; 20: a rotating electric machine.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present invention, it should be noted that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
A centrifugal priming device of the present invention is described below with reference to fig. 1 to 6, and comprises:
the centrifugal driving mechanism is used for placing the battery cell 8 and driving the battery cell 8 to rotate;
the liquid injection mechanism is arranged on the centrifugal driving mechanism and used for injecting liquid into the battery cell 8;
and the electrolyte discharge mechanism is arranged on the centrifugal driving mechanism and is used for discharging the redundant electrolyte in the battery cell 8. It can be understood that the battery cell 8 is placed on the centrifugal driving mechanism, and the centrifugal driving mechanism drives the battery cell 8 to rotate, so as to form a centrifugal force on the battery cell 8. The liquid injection mechanism is arranged on the centrifugal mechanism and rotates synchronously with the centrifugal mechanism for performing excess liquid injection on the battery cell 8. The electrolyte discharge mechanism is arranged on the centrifugal driving mechanism and rotates synchronously with the centrifugal mechanism to discharge the redundant electrolyte in the battery cell 8.
That is to say, centrifugal drive mechanism drive electricity core 8 rotatory in-process, annotate liquid mechanism and pour into electric core 8 with the electrolyte of excess into in, under the effect of centrifugal force, improve the injection velocity and the infiltration efficiency of electrolyte in electric core 8, the surplus electrolyte discharge mechanism of rethread electrolyte in with electric core 8 discharges, accomplishes annotating liquid and infiltrating of electric core 8.
It should be noted that the battery cell 8 is a minimum unit of the power battery and is also an electric energy storage unit. A group of cells may form a module, and several modules may form a battery pack.
According to the centrifugal liquid injection device provided by the utility model, the centrifugal driving mechanism comprises a driving part 14, a rotating shaft 2 and a rotating disc 15, the output end of the driving part 14 is in transmission connection with the rotating shaft 2 which is vertically arranged, the rotating disc 15 is sleeved on the rotating shaft 2, the periphery of the rotating disc 15 is provided with an operation plate 9, and the operation plate 9 is provided with a placing position for placing the battery cell 8. It can be understood that the driving member 14 serves as a power output device, and the output end of the driving member 14 is in transmission connection with the rotating shaft 2, so as to drive the rotating shaft 2 to rotate. The rotating disc 15 is sleeved on the rotating shaft 2, and the rotating disc 15 and the rotating shaft 2 keep synchronous rotation. The periphery of carousel 15 is equipped with operation board 9, is equipped with on the operation board 9 and places the position, and electric core 8 card is established on placing the position.
It is worth mentioning that the number of the operation plates 9 can be set according to actual needs, in order to ensure the stability in the rotation process, an even number of the operation plates 9 are arranged, and the operation plates 9 are arranged in an axisymmetric manner, so that the number of the battery cells 8 which are injected with liquid simultaneously is increased. The drive member 14 may be an electric motor or a motor. Wherein, the operation plate 9 and the rotary table 15 can be provided as an integral body.
Wherein, 2 covers of pivot are equipped with driven gear 12, and the output of driving piece 14 is equipped with driving gear 13, and driving gear 13 and driven gear 12 meshing realize the transmission. In this embodiment, the lower extreme of pivot 2 is located to driven gear 12 cover, and driving piece 14 drive driving gear 13 rotates, and driving gear 13 drives driven gear 12 and rotates, and then realizes the rotation of pivot 2. The hydraulic slip ring 4 is sleeved at the upper end of the rotating shaft 2, and the driven gear 12 and the hydraulic slip ring 4 are fixedly mounted relative to the rotating shaft 2.
In one embodiment, the driving member 14 is a motor, the output end of the motor is provided with a driving wheel, and the lower end of the rotating shaft 2 is provided with a driven wheel, and the driven wheel is in transmission connection with the driving wheel through a transmission belt.
According to the centrifugal liquid injection device provided by the utility model, the liquid injection mechanism comprises a liquid storage device 1 and a constant delivery pump 7, the liquid storage device 1 is arranged above the rotating shaft 2 through a rack, the constant delivery pump 7 is arranged on a rotating disc 15, a liquid inlet of the constant delivery pump 7 is connected with a liquid outlet of the liquid storage device 1, and a liquid outlet of the constant delivery pump 7 is used for being connected with a liquid injection port of a battery cell 8. It will be appreciated that the priming mechanism comprises in particular a reservoir 1 and a dosing pump 7. Reservoir 1 is used for storing electrolyte to locate the top of pivot 2 through the frame, make to form the difference in height between the liquid outlet of reservoir 1 and the notes liquid mouth of electric core 8, improve the flow rate of electrolyte, and then improve and annotate liquid speed. The fixed displacement pump 7 is provided on the turntable 15 and rotates in synchronization with the turntable 15. The inlet of constant delivery pump 7 is connected with the liquid outlet of reservoir 1 through infusion pipeline 3, and the liquid outlet of constant delivery pump 7 is connected with the notes liquid mouth of electricity core 8 through annotating the liquid pipeline, realizes the ration of electrolyte and pours into.
That is to say, through the volume of the pump sending electrolyte that sets up constant delivery pump 7, realize the adjustment to the notes liquid volume, constant delivery pump 7 provides pump sending power for the excess electrolyte, improves and annotates liquid efficiency.
As shown in fig. 1, according to the centrifugal liquid injection device provided by the utility model, the electrolyte discharge mechanism comprises a lifting assembly, and the working plate 9 is hinged with the peripheral side of the turntable 15; the lifting assembly comprises a sliding sleeve 5, a connecting rod 6 and a spring 11, wherein the sliding sleeve 5 is sleeved on the rotating shaft 2 and can slide along the axial direction of the rotating shaft 2, the sliding sleeve 5 is positioned between the liquid storage device 1 and the rotating disc 15, the sliding sleeve 5 is hinged with the first end of the connecting rod 6, the second end of the connecting rod 6 is hinged with the operating plate 9, an elastic part is arranged on the rotating disc 15, and the elastic part is matched with the sliding sleeve 5 in a returning mode. It can be understood that, carry and draw the subassembly and be used for carrying and draw operation board 9, and the week side of carousel 15 articulates there is operation board 9, and operation board 9 can be rotated between horizontal direction and the vertical direction in the top of carousel 15, makes operation board 9 rotate to the top of carousel 15, realizes the slope of electric core 8, and the notes liquid mouth of electric core 8 is towards the inboard, also is the direction towards pivot 2, and then makes unnecessary electrolyte discharge by the notes liquid mouth of electric core 8.
Specifically, the lifting assembly comprises a sliding sleeve 5, a connecting rod 6 and a spring 11, wherein the sliding sleeve 5 is sleeved on the rotating shaft 2 and can freely slide up and down along the axial direction of the rotating shaft 2, i.e. the vertical direction. The first end of the connecting rod 6 is hinged with the outer side wall of the sliding sleeve 5 and moves synchronously with the sliding sleeve 5. The second end of the connecting rod 6 is hinged with the upper end face of the operation plate 9, and the connecting rod 6 realizes the transmission effect on the operation plate 9. The turntable 15 is provided with an elastic part, and the elastic part is matched with the sliding sleeve 5 in a return way to realize the return of the elastic support. In this embodiment, the elastic member is a spring 11, and the coaxial line of the spring 11 is sleeved on the rotating shaft 2, or a plurality of springs 11 are provided, and the plurality of springs 11 are uniformly arranged on the peripheral side of the rotating shaft 2, so as to elastically support the sliding sleeve 5.
That is, when the driving member 14 drives the turntable 15 and rotates the work plate 9, the work plate 9 moves downward by the centrifugal force and is flush with the turntable 15. The connecting rod 6 drives the sliding sleeve 5 to move downwards along the axial direction of the rotating shaft 2, the sliding sleeve 5 extrudes the elastic piece, electrolyte in the liquid storage device 1 is conveyed into a liquid injection port of the battery cell 8 through the liquid conveying pipeline 3 and the liquid injection pipeline under the action of the constant delivery pump 7, and the battery cell 8 is placed in the placing position, so that the liquid injection port of the battery cell 8 faces the inner side;
after liquid injection and infiltration are completed, the metering pump 7 and the driving piece 14 are closed, the rotary table 15 and the operation plate 9 stop rotating, centrifugal force is zero, the elastic piece moves the sliding sleeve 5 upwards under the action of return elastic force of the sliding sleeve 5 along the axial direction of the rotating shaft 2, and the connecting rod 6 generates pulling force on the operation plate 9, so that the operation plate 9 is inclined towards the upper part of the rotary table 15 and towards the inner side, the electric core 8 is inclined, and redundant electrolyte in the electric core 8 is discharged from a liquid injection port of the electric core 8.
In one embodiment, the circumferential side of the rotary disc 15 is provided with a groove arranged along the radial direction of the rotary disc 15, and the hinged end of the operation plate 9 is connected in the groove through a pin shaft.
According to the centrifugal liquid injection device provided by the utility model, the placing position is provided with the weighing tray 10, and the battery cell 8 is fixed on the weighing tray 10. It can be understood that the placing position is provided with the weighing tray 10, the battery cell 8 fixing clamp is arranged on the weighing tray 10, stable assembly of the battery cell 8 is guaranteed, and the battery cell is stable and reliable under the centrifugal action. The weight of the battery cell 8 is monitored in real time through the weighing tray 10, and the accuracy of liquid injection is guaranteed.
Wherein, the bottom side of the weighing tray 10 is provided with a weighing module 19, which realizes the real-time transmission of the weighing result.
According to the centrifugal liquid injection device provided by the utility model, the electrolyte discharge mechanism comprises a rotary driving mechanism which can rotate the liquid injection port of the battery cell 8 by a set angle. It can be understood that, the initial position of the battery cell 8, the liquid injection port of the battery cell 8 faces the direction of the rotating shaft 2; after the electrolyte infiltration is completed, the rotation driving mechanism drives the battery cell 8 to rotate by a set angle, so that the electrolyte discharged from the electrolyte injection port of the battery cell 8 is prevented from being sputtered onto the rotating shaft 2.
It should be noted that, after the battery cell 8 rotates, the electrolyte discharged from the electrolyte injection port of the battery cell 8 will not sputter on the rotating shaft 2, and the tidiness of the rotating shaft 2 is maintained, wherein the rotation setting angle is preferably 180 °, so that the electrolyte injection port of the battery cell 8 faces the direction away from the rotating shaft 2.
As shown in fig. 2 and fig. 3, according to the centrifugal liquid injection device provided by the present invention, the rotation driving mechanism includes a rotation motor 20 disposed at the placing position, the placing position is provided with a weighing tray 10, the battery cell 8 is fixed on the weighing tray 10, and an output end of the rotation motor 20 is connected to the weighing tray 10. It can be understood that the placing position is further provided with a rotating motor 20, and an output end of the rotating motor 20 is connected with the bottom side of the weighing tray 10 and used for driving the weighing tray 10 to rotate, so that infiltration of electrolyte is accelerated, and the electrolyte injection efficiency is improved. And meanwhile, the rotation of the liquid injection port of the battery cell 8 is realized, and the orientation of the liquid injection port is adjusted.
Specifically, the weight monitored by the weighing tray 10 reaches a target value, that is, after the battery cell 8 completes the excess liquid injection, the driving member 14 continues to drive the rotating shaft 2 to rotate, and the rotating motor 20 drives the weighing tray 10 to rotate horizontally, in this embodiment, the rotation angle is 180 °, so that the direction of the liquid injection port of the battery cell 8 is changed from the inside to the outside;
under the centrifugal effect, electric core 8 is continued to be soaked to electrolyte, and simultaneously, unnecessary electrolyte is thrown away to the outside by the notes liquid mouth of electric core 8, prevents to pollute pivot 2, and then realizes the discharge of unnecessary electrolyte.
According to the centrifugal liquid injection device provided by the utility model, the rotary driving mechanism comprises a rotary assembly positioned on the operation plate 9 on one side of the placing position, the rotary assembly comprises a rotary clamping jaw 16, and the rotary clamping jaw 16 is used for clamping the battery cell 8 and driving the battery cell 8 to rotate. It will be appreciated that a swivel assembly is provided on the work plate 9 on one side of the rest position. The rotating assembly comprises a rotating clamping jaw 16, so that the electric core 8 is stably clamped, the stability under the centrifugal action is ensured, the electric core 8 can be driven to rotate simultaneously, the rotation driving of the liquid injection port of the electric core 8 is realized, the orientation of the liquid injection port of the electric core 8 is changed, and particularly, the rotation towards the outer side is realized by the rotation towards the inner side.
As shown in fig. 4 to 6, according to the centrifugal liquid injection device provided by the present invention, the rotating assembly further includes a linear guide 17 and a sliding block 18, the linear guide 17 is disposed on the operation plate 9 on one side of the placement position, the linear guide 17 is perpendicular to the operation plate 9, the sliding block 18 is slidably disposed on the linear guide 17, and the rotating clamping jaw 16 is disposed on the sliding block 18. It can be understood that the rotating assembly further comprises a linear guide rail 17 and a sliding block 18, the linear guide rail 17 is perpendicular to the operation plate 9, namely, is vertically arranged and is located on the operation plate 9 on one side of the placing position, the sliding block 18 is slidably arranged on the linear guide rail 17 and can freely slide along the vertical direction, the rotating clamping jaw 16 is arranged on the sliding block 18, and the rotating clamping jaw 16 and the sliding block 18 synchronously move up and down.
Specifically, when the driving part 14 drives the turntable 15 and drives the operation plate 9 to rotate, the quantitative pump 7 pumps the excess electrolyte from the liquid reservoir 1 to the liquid injection port of the battery cell 8 through the conveying pipeline and the liquid injection pipeline, and the liquid injection speed and the infiltration efficiency are improved under the action of centrifugal force;
when the weight monitored by the weighing tray 10 reaches a target value, namely after the battery cell 8 finishes excessive liquid injection, the slider 18 drives the rotary clamping jaw 16, the rotary clamping jaw 16 clamps the battery cell 8 and moves upwards along the linear guide rail 17, so that the bottom side of the battery cell 8 is separated from the weighing tray 10, collision with the weighing tray 10 in the rotation process of the battery cell 8 is prevented, and then the rotary air claw drives the battery cell 8 to rotate 180 degrees, so that the direction of a liquid injection port of the battery cell 8 is changed from the inner side to the outer side;
According to the centrifugal liquid injection device provided by the utility model, the rotating shaft 2 is provided with the hydraulic slip ring 4, the liquid storage device 1 is arranged on the hydraulic slip ring 4, the liquid outlet of the liquid storage device 1 is connected with the liquid inlet of the hydraulic slip ring 4, and the liquid outlet of the hydraulic slip ring 4 is connected with the constant delivery pump 7. It is understood that the rotating shaft 2 is provided with the hydraulic slip ring 4, and the hydraulic slip ring 4 and the rotating shaft 2 can keep synchronous rotation. The liquid outlet of reservoir 1 is connected with hydraulic pressure sliding ring 4's inlet, and hydraulic pressure sliding ring 4's liquid outlet is connected with infusion pipeline 3, and the electrolyte in the reservoir 1 gets into hydraulic pressure sliding ring 4 by the liquid outlet to in the liquid outlet by hydraulic pressure sliding ring 4 flows into infusion pipeline 3, realize the transport of electrolyte, realize the synchronous rotation of infusion pipeline 3 and pivot 2 simultaneously.
The centrifugal liquid injection device further comprises a controller, and the controller is electrically connected with the centrifugal driving mechanism and the liquid injection mechanism respectively. It will be appreciated that the input of the controller is electrically connected to the weighing module 19 and the output of the controller is electrically connected to the drive member 14 and the rotary motor 20 or the rotary jaw 16, respectively. The controller receives the real-time weight of the battery cell 8 measured by the weighing module 19, compares the real-time weight with a rated weight preset in the controller, and sends corresponding instructions to the driving part 14 and the rotating motor 20 or the rotating clamping jaw 16.
In one embodiment, the battery further comprises a recovery container, the recovery container is covered outside the centrifugal driving mechanism, and a liquid collecting channel is arranged at the bottom end of the recovery container, so that the recovery of the redundant electrolyte discharged from the battery cell 8 is realized.
The centrifugal liquid injection method provided by the utility model is described below, and the centrifugal liquid injection method described below and the centrifugal liquid injection device described above can be referred to correspondingly.
The utility model also provides a centrifugal liquid injection method, which comprises the following steps:
assembling the battery cell 8 on a centrifugal driving mechanism, starting the centrifugal driving mechanism, and driving the battery cell 8 to rotate;
starting the liquid injection mechanism, and injecting liquid into the battery cell 8 through the liquid injection mechanism;
and discharging the redundant electrolyte in the battery cell 8 through an electrolyte discharging mechanism.
According to the centrifugal liquid injection method provided by the utility model, in the step of discharging the redundant electrolyte in the battery cell 8 through the electrolyte discharge mechanism, the centrifugal liquid injection method further comprises the following steps:
closing the centrifugal driving mechanism and the liquid injection mechanism, lifting the battery cell 8 through the lifting assembly, enabling the liquid injection port of the battery cell 8 to incline towards the direction of the rotating shaft, and discharging redundant electrolyte in the battery cell 8.
According to the centrifugal liquid injection method provided by the utility model, in the step of discharging the redundant electrolyte in the battery cell 8 through the electrolyte discharge mechanism, the centrifugal liquid injection method further comprises the following steps:
and closing the liquid injection mechanism, driving the battery cell 8 to rotate through the rotary driving mechanism, enabling the liquid injection port of the battery cell 8 to face the direction departing from the rotating shaft 2, and driving the redundant electrolyte in the battery cell 8 to be discharged under the centrifugal action by the centrifugal driving mechanism.
The centrifugal liquid injection method provided by the embodiment of the utility model specifically comprises the following steps:
assembling the battery cell 8 on a weighing tray 10 on a placing position of an operation plate 9, ensuring that a liquid injection port of the battery cell 8 faces the inner side, starting a driving piece 14, driving a rotating shaft 2, driving a turntable 15, an operation turntable 15 and the battery cell 8 to rotate, and generating a centrifugal effect on the battery cell 8;
the operation plate 9 moves downwards under the action of centrifugal force and is flush with the rotary table 15, the connecting rod 6 drives the sliding sleeve 5 to move downwards along the axial direction of the rotating shaft 2, and the sliding sleeve 5 extrudes the elastic piece;
starting the quantitative pump 7, injecting the electrolyte in the liquid storage device 1 into the battery cell 8 through the liquid injection port of the battery cell 8 in an excess mode through the liquid injection pipeline 3 and the liquid injection pipeline, and improving the liquid injection speed and the infiltration efficiency under the action of centrifugal force;
a weighing module 19 at the bottom side of the weighing tray 10 measures the weight of the battery cell 8 in real time, a measured value is transmitted to the controller and is judged with a first threshold value input in the controller, and if the measured value is equal to the first threshold value, the injection of the excessive electrolyte is finished;
the controller sends a stop instruction to the driving piece 14 and the constant delivery pump 7, the rotary table 15 and the operation plate 9 stop rotating, the centrifugal force is zero, the elastic piece moves the sliding sleeve 5 upwards along the axial direction of the rotating shaft 2 under the action of the return elastic force of the elastic piece on the sliding sleeve 5, the connecting rod 6 generates a pulling force on the operation plate 9, so that the operation plate 9 inclines towards the upper part of the rotary table 15 and towards the inner side, the battery cell 8 inclines, and redundant electrolyte in the battery cell 8 is discharged from a liquid injection port of the battery cell 8;
when the measured value monitored by the weighing module 19 is equal to the second threshold value in the controller, it indicates that the surplus electrolyte is completely discharged, and the liquid injection and infiltration operation of the battery cell 8 is completed.
According to the centrifugal liquid injection method provided by the utility model, in the step of discharging the redundant electrolyte in the battery cell 8 through the electrolyte discharge mechanism, the centrifugal liquid injection method further comprises the following steps:
and closing the liquid injection mechanism, driving the battery cell 8 to rotate through the rotating motor 20, enabling the liquid injection port of the battery cell 8 to face outwards, and driving the redundant electrolyte in the battery cell 8 to be discharged under the centrifugal action by the centrifugal driving mechanism.
The second embodiment of the utility model also provides a centrifugal liquid injection method, which specifically comprises the following steps:
assembling the battery cell 8 on a weighing tray 10 on a placing position of an operation plate 9, ensuring that a liquid injection port of the battery cell 8 faces the inner side, starting a driving piece 14, driving a rotating shaft 2, driving a turntable 15, an operation turntable 15 and the battery cell 8 to rotate, and generating a centrifugal effect on the battery cell 8;
starting the quantitative pump 7, injecting the electrolyte in the liquid storage device 1 into the battery cell 8 through the liquid injection port of the battery cell 8 in an excess mode through the liquid injection pipeline 3 and the liquid injection pipeline, and improving the liquid injection speed and the infiltration efficiency under the action of centrifugal force;
a weighing module 19 at the bottom side of the weighing tray 10 measures the weight of the battery cell 8 in real time, a measured value is transmitted to the controller and is judged with a first threshold value input in the controller, and if the measured value is equal to the first threshold value, the injection of the excessive electrolyte is finished;
the controller sends a stop instruction to the dosing pump 7, the driving part 14 continues to drive the dosing pump to rotate, the controller sends a start instruction to the rotating motor 20, and the rotating motor 20 drives the weighing tray 10 to horizontally rotate for 180 degrees, so that the orientation of the liquid injection port of the battery cell 8 is changed from the inner side to the outer side;
under the centrifugal effect, the electrolyte continues to soak the battery cell 8, meanwhile, the redundant electrolyte is thrown out to the outside from the electrolyte injection port of the battery cell 8, the rotating shaft 2 is prevented from being polluted, when the measured value monitored by the weighing module 19 is equal to the second threshold value in the controller, the redundant electrolyte is completely discharged, the electrolyte injection and soaking operation of the battery cell 8 is completed, and the controller sends a stop instruction to the driving part 14.
The third embodiment of the utility model also provides a centrifugal liquid injection method, which specifically comprises the following steps:
assembling the battery cell 8 on a weighing tray 10 on a placing position of an operation plate 9, ensuring that a liquid injection port of the battery cell 8 faces the inner side, starting a driving piece 14, driving a rotating shaft 2, driving a turntable 15, an operation turntable 15 and the battery cell 8 to rotate, and generating a centrifugal effect on the battery cell 8;
starting the quantitative pump 7, injecting the electrolyte in the liquid storage device 1 into the battery cell 8 through the liquid injection port of the battery cell 8 in an excess mode through the liquid injection pipeline 3 and the liquid injection pipeline, and improving the liquid injection speed and the infiltration efficiency under the action of centrifugal force;
a weighing module 19 at the bottom side of the weighing tray 10 measures the weight of the battery cell 8 in real time, a measured value is transmitted to the controller and is judged with a first threshold value input in the controller, and if the measured value is equal to the first threshold value, the injection of the excessive electrolyte is finished;
the controller sends a stop instruction to the dosing pump 7, the driving part 14 continues to drive the rotation or stop rotating, the slider 18 drives the rotating clamping jaw 16, the rotating clamping jaw 16 clamps the battery cell 8 and moves upwards along the linear guide rail 17, so that the bottom side of the battery cell 8 is separated from the weighing tray 10, collision with the weighing tray 10 in the rotation process of the battery cell 8 is prevented, and then the rotating gas jaw drives the battery cell 8 to rotate 180 degrees, so that the orientation of a liquid injection port of the battery cell 8 is changed from the inner side to the outer side;
the slide block 18 drives the rotating clamping jaw 16, the rotating clamping jaw 16 clamps the rotated battery cell 8, moves downwards along the linear guide rail 17, and is placed on the weighing tray 10, centrifugal rotation is continuously performed (if the driving part 14 is closed, the battery cell 8 is opened), electrolyte continuously infiltrates the battery cell 8, meanwhile, redundant electrolyte is thrown out from a liquid injection port of the battery cell 8 to the outside, the rotating shaft 2 is prevented from being polluted, and then the redundant electrolyte is discharged;
when the measured value monitored by the weighing module 19 is equal to the second threshold value in the controller, it indicates that the surplus electrolyte is completely discharged, the liquid injection and infiltration operation of the battery cell 8 is completed, and the controller sends a stop instruction to the driving part 14.
The centrifugal liquid injection device provided by the utility model comprises a centrifugal driving mechanism, a liquid injection mechanism and a liquid injection mechanism, wherein the centrifugal driving mechanism is used for placing a battery cell and driving the battery cell to rotate; the liquid injection mechanism is arranged on the centrifugal driving mechanism and used for injecting liquid into the battery cell; electrolyte discharge mechanism, electrolyte discharge mechanism locate centrifugal actuating mechanism on for make unnecessary electrolyte discharge in the electric core, it is rotatory through centrifugal actuating mechanism drive electric core, produce centrifugal force, annotate liquid mechanism and pour into excess electrolyte into to electric core, under centrifugal force, improve and annotate liquid and infiltration efficiency, rethread electrolyte discharge mechanism discharges unnecessary electrolyte in the electric core, guarantees battery quality.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A centrifugal priming device, comprising:
the centrifugal driving mechanism is used for placing the battery cell and driving the battery cell to rotate;
the liquid injection mechanism is arranged on the centrifugal driving mechanism and used for injecting liquid into the battery cell;
and the electrolyte discharge mechanism is arranged on the centrifugal driving mechanism and is used for discharging redundant electrolyte in the electric core.
2. The centrifugal liquid injection device according to claim 1, wherein the centrifugal driving mechanism comprises a driving member, a rotating shaft and a rotating disc, an output end of the driving member is in transmission connection with the rotating shaft which is vertically arranged, the rotating disc is sleeved on the rotating shaft, an operation plate is arranged on the periphery of the rotating disc, and a placing position for placing the battery core is arranged on the operation plate.
3. The centrifugal liquid injection device according to claim 2, wherein the liquid injection mechanism comprises a liquid storage device and a quantitative pump, the liquid storage device is arranged above the rotating shaft through a rack, the quantitative pump is arranged on the rotating disc, a liquid inlet of the quantitative pump is connected with a liquid outlet of the liquid storage device, and a liquid outlet of the quantitative pump is used for being connected with a liquid injection port of the battery core.
4. The centrifugal liquid injection device according to claim 3, wherein the electrolyte discharge mechanism comprises a lifting assembly, and the operation plate is hinged to the peripheral side of the turntable;
the lifting assembly comprises a sliding sleeve, a connecting rod and a spring, the sliding sleeve is sleeved on the rotating shaft and can slide axially of the rotating shaft, the sliding sleeve is located between the liquid storage device and the rotating disc, the sliding sleeve is hinged to the first end of the connecting rod, the second end of the connecting rod is hinged to the operating plate, an elastic piece is arranged on the rotating disc, and the elastic piece is matched with the sliding sleeve in a return mode.
5. The centrifugal liquid injection device according to claim 4, wherein the placing position is provided with a weighing tray, and the battery cell is fixed on the weighing tray.
6. The centrifugal liquid injection device according to any one of claims 2 to 3, wherein the electrolyte discharge mechanism comprises a rotation driving mechanism capable of rotating the injection port of the battery cell by a set angle.
7. The centrifugal liquid injection device according to claim 6, wherein the rotation driving mechanism comprises a rotation motor disposed at a placement position, the placement position is provided with a weighing tray, the battery cell is fixed on the weighing tray, and an output end of the rotation motor is connected with the weighing tray.
8. The centrifugal liquid injection device according to claim 6, wherein the rotation driving mechanism comprises a rotation assembly located on the operation plate on one side of the placement position, and the rotation assembly comprises a rotation clamping jaw, and the rotation clamping jaw is used for clamping the battery core and driving the battery core to rotate.
9. The centrifugal liquid injection device according to claim 8, wherein the rotating assembly further comprises a linear guide and a slider, the linear guide is disposed on the operation plate on one side of the placement position, the linear guide is perpendicular to the operation plate, the slider is slidably disposed on the linear guide, and the rotating clamping jaw is disposed on the slider.
10. The centrifugal liquid injection device according to claim 3, wherein the rotating shaft is provided with a hydraulic slip ring, the liquid reservoir is arranged on the hydraulic slip ring, a liquid outlet of the liquid reservoir is connected with a liquid inlet of the hydraulic slip ring, and a liquid outlet of the hydraulic slip ring is connected with the constant delivery pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123210423.0U CN216872220U (en) | 2021-12-20 | 2021-12-20 | Centrifugal liquid injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123210423.0U CN216872220U (en) | 2021-12-20 | 2021-12-20 | Centrifugal liquid injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216872220U true CN216872220U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123210423.0U Active CN216872220U (en) | 2021-12-20 | 2021-12-20 | Centrifugal liquid injection device |
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| Country | Link |
|---|---|
| CN (1) | CN216872220U (en) |
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2021
- 2021-12-20 CN CN202123210423.0U patent/CN216872220U/en active Active
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