CN218770010U - Centrifugal positive negative pressure secondary lithium battery priming device - Google Patents
Centrifugal positive negative pressure secondary lithium battery priming device Download PDFInfo
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- CN218770010U CN218770010U CN202222712907.3U CN202222712907U CN218770010U CN 218770010 U CN218770010 U CN 218770010U CN 202222712907 U CN202222712907 U CN 202222712907U CN 218770010 U CN218770010 U CN 218770010U
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- lithium battery
- liquid injection
- rotating shaft
- negative pressure
- rotating
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Abstract
The utility model provides a centrifugal positive and negative pressure secondary lithium battery liquid injection device, wherein a rotating shaft sleeve is provided with a rotating disc, a plurality of swinging plates and a bracket, the edge of the rotating disc is provided with the plurality of swinging plates, and the bracket arranged on each swinging plate is used for installing a lithium battery; a conveying slip ring is sleeved on the rotating shaft, an air port of a rotating part of the conveying slip ring is communicated with the interior of the lithium battery, and a static part of the conveying slip ring is connected with a vacuum pump; the lithium battery is connected with a liquid injection pump or a liquid injection valve; when the rotating disc rotates along with the rotating shaft, the swinging plate can drive the lithium battery to swing upwards through the bracket. The utility model discloses in, the disposable injection or the fractional injection of malleation, negative pressure, ordinary pressure and electrolyte can the independent assortment, make the faster injection of electrolyte and infiltration, shortened and annotated liquid infiltration time, improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of lithium battery priming, especially, centrifugal positive negative pressure secondary lithium battery priming device.
Background
Compared with a lead-acid storage battery, the lithium battery has the advantage of higher energy density, wherein the reusable secondary lithium battery can be repeatedly charged and discharged, and is widely applied to the fields of mobile phones, digital cameras, electric vehicles and the like. The secondary lithium battery needs to be subjected to liquid injection treatment in the manufacturing process, electrolyte is injected into the battery, and the electrolyte permeates and infiltrates the wound anode and cathode, but in the traditional technology, the infiltration speed is low, the efficiency is low, and the consistency of batch products is poor.
Some manufacturers research and develop new equipment, such as a scheme disclosed in a chinese patent with the application number of 201621413732.4, named as a lithium battery liquid injection device: a plurality of liquid injection covers are arranged on the box body 1012 through a plurality of supports 1016, each liquid injection cover is clamped with the battery 200, the supports are of a structure which is bent downwards, each liquid injection cover clamps one battery, and the box body is driven by the driving motor 1011 to rotate, so that the liquid injection efficiency and the wettability are improved. The technical scheme of the patent and the attached drawings can be known as follows: 1. the number of batteries arranged on the box body is too much, the rotating balance is not good, the high rotating speed cannot be realized, and the liquid injection and infiltration effects are not questioned; 2. the electrolyte is injected at one time, cannot be injected in a plurality of times or in a plurality of amounts, and is not suitable for the injection of batteries of certain types; 3. the support belongs to the rigid connection, and the battery card is the slope mode behind the notes liquid lid, the operating personnel's of being inconvenient for operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, provide a centrifugal positive negative pressure secondary lithium battery priming device. In the utility model, the air source realizes the driving of the liquid injection valve, so that the electrolyte is injected into the lithium battery at one time or in multiple times; the vacuum pump realizes the change of air pressure in the lithium battery, can be in positive pressure or negative pressure, and can continuously change the state when the electrolyte is injected, so that the electrolyte can be rapidly injected and fully infiltrated; the support and the lithium battery are thrown out by the swinging plate when the swinging plate rotates, so that the centrifugal force is maximum, and the support and the lithium battery return to the hanging position when the swinging plate stops, so that the operation of an operator is facilitated.
The utility model adopts the technical proposal that:
the utility model provides a centrifugal positive negative pressure secondary lithium battery priming device, includes the pivot, its characterized in that: the rotating shaft sleeve is provided with a rotating disc, a plurality of swinging plates and a bracket, the edge of the rotating disc is provided with the swinging plates, and the bracket arranged on each swinging plate is used for mounting a lithium battery;
a conveying slip ring is sleeved on the rotating shaft, an air port of a rotating part of the conveying slip ring is communicated with the interior of the lithium battery, and a static part of the conveying slip ring is connected with a vacuum pump;
the lithium battery is connected with a liquid injection pump or a liquid injection valve;
when the rotating disc rotates along with the rotating shaft, the swinging plate can drive the lithium battery to swing upwards through the bracket.
Further: the rotating disc is radially provided with a plurality of mounting plates, and the outer side end of each mounting plate is hinged with a swinging plate through a transverse hinge shaft.
Further: the bracket or the mounting plate is provided with the liquid injection valve, one end of the liquid injection valve is connected with the electrolyte box, and the other end of the liquid injection valve is connected with the inside of the lithium battery;
the driving end of the liquid injection valve is connected with a gas outlet arranged on the rotating part of the conveying sliding ring, and the static part of the conveying sliding ring is connected with a gas source.
Further: the bracket or the mounting plate is provided with the liquid injection pump, one end of the liquid injection pump is connected with the electrolyte box, and the other end of the liquid injection valve is connected with the lithium battery.
Further: the support includes top board, connecting rod and holding down plate, and the upper end of two connecting rods is connected with the swing board both sides respectively, and the interval is provided with top board and holding down plate from top to bottom between two connecting rods, sets up the battery compartment between top board and the holding down plate, and the battery compartment internal fixation the lithium cell.
Further: the rotating shaft is hollow and is rotatably arranged in the platform, a shaft sleeve is sleeved outside the rotating shaft above the platform, the lower end of the shaft sleeve is fixed with the platform, the rotating shaft above the shaft sleeve is connected with the rotating part of the conveying sliding ring, the upper end of the static part of the conveying sliding ring is connected with an air source interface which is used for connecting an air source and penetrates through an opening at the upper end of the rotating shaft, and the lower end of the static part is connected with a vacuum pump interface which is used for connecting a vacuum pump and penetrates through an opening at the lower end of the rotating shaft.
Further: a belt pulley or a chain wheel is sleeved outside the rotating shaft positioned below the platform, and the belt pulley or the chain wheel is connected with a motor arranged on the platform in a follow-up manner through a belt or a chain.
The utility model discloses an advantage is with positive effect:
in the utility model, the air source realizes the driving of the liquid injection valve, so that the electrolyte is injected into the lithium battery at one time or in multiple times; the vacuum pump realizes the change of air pressure in the lithium battery, can be in positive pressure or negative pressure, and can continuously change the state when the electrolyte is injected, so that the electrolyte can be rapidly injected and fully infiltrated; the support and the lithium battery are thrown out by the swinging plate when the swinging plate rotates, so that the centrifugal force is maximum, and the support and the lithium battery return to the hanging position when the swinging plate stops, so that the operation of an operator is facilitated. In the structure, the positive pressure, the negative pressure, the normal pressure and the electrolyte can be freely combined in one-time injection or multiple-time injection, so that the electrolyte can be quickly injected and infiltrated, the liquid injection infiltration time is shortened, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a structure of the present invention;
FIG. 2 is a view showing a state in which the rotary shaft of FIG. 1 is rotated;
FIG. 3 is a schematic structural view of another embodiment of the present invention;
fig. 4 is a state diagram when the rotation shaft of fig. 2 rotates.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
The utility model provides a centrifugal positive negative pressure secondary lithium battery priming device, includes pivot 24, its characterized in that: the rotating shaft is sleeved with a rotating disc 10, a swinging plate 27 and a support, the edge of the rotating disc is provided with a plurality of swinging plates, and the support arranged on each swinging plate is used for mounting a lithium battery.
The rotating shaft is sleeved with a conveying slip ring 9, an air port 16 of a rotating part of the conveying slip ring is communicated with the inside of the lithium battery, and a static part of the conveying slip ring is connected with a vacuum pump. The lithium battery is connected with a liquid injection pump or a liquid injection valve. When the rotating disc rotates along with the rotating shaft, the swinging plate can drive the lithium battery to swing upwards through the bracket.
As shown in fig. 1 and 2, a structure of the present invention is:
the rotating shaft is hollow and is rotatably arranged in the platform 1, an upper shaft sleeve 17 is sleeved outside the rotating shaft above the platform, the lower end of the upper shaft sleeve is fixed with the platform, a lower shaft sleeve 18 is sleeved outside the rotating shaft below the platform, and the upper end of the lower shaft sleeve is fixed with the bottom surface of the platform.
The rotating shaft above the upper shaft sleeve is connected with a conveying slip ring, the conveying slip ring is used for rotating and conveying gas and liquid, the rotating part is sleeved outside the static part, the rotating part rotates along with the rotation of the rotating shaft, and the static part keeps a relative static state. The inner wall of the rotating part is provided with two annular grooves at intervals up and down, the outer wall of the static part aligned with the two annular grooves is provided with an opening, the opening above the opening is communicated with an air source interface 8 of a connecting air source penetrating through an opening at the upper end of the static part, and the opening below the opening is communicated with a vacuum pump interface 20 of the connecting vacuum pump penetrating through an opening at the lower end of the static part and an opening at the lower end of the rotating shaft. The outer wall of the rotating part aligned with the upper annular groove is provided with an air outlet 7 communicated with the annular groove, and the outer wall of the rotating part aligned with the lower annular groove is provided with an air port 16 communicated with the annular groove.
A belt pulley 19 or a chain wheel is sleeved on the rotating shaft below the lower shaft sleeve, and the belt pulley or the chain wheel is connected with a belt pulley or a chain wheel on an output shaft of a motor 22 arranged on the platform in a follow-up manner through a belt 21 or a chain.
The rotating disk is radially provided with a plurality of mounting plates 5, and the outer end of each mounting plate is hinged with the swinging plate through a transverse hinge shaft 3.
Be provided with on the support and annotate liquid valve 2, the electrolyte box (including the box body all not drawn with the pump body) is connected to the one end of annotating the liquid valve, and the other end of annotating the liquid valve passes through corrosion-resistant hose and connects inside the lithium cell. The driving end of the liquid injection valve is connected with the air outlet 7 through a hose 6 with a longer length, and the liquid injection valve is driven to be opened or closed by air flow output by the air source interface, the slotting, the opening, the annular groove and the air outlet. The vacuum pump communicates the interior of the lithium battery through a vacuum pump interface, a groove, an opening, an annular groove, an air port, a hose 6 and a through hole 13, and positive pressure, negative pressure or normal pressure in the interior of the lithium battery is realized by different working modes of the vacuum pump.
The liquid injection valve can be replaced by a liquid injection pump, the liquid injection pump can be installed on a support or an installation plate, one end of the liquid injection pump is connected with the electrolyte box, the other end of the liquid injection valve is connected with the inside of the lithium battery, and the opening and the closing of the liquid injection pump are used for controlling the injection of the electrolyte.
The support comprises an upper pressing plate 12, connecting rods 4 and a lower pressing plate 15, the upper ends of the two connecting rods are respectively connected with the two sides of the swinging plate, the upper pressing plate and the lower pressing plate are arranged between the two connecting rods at intervals from top to bottom, a battery bin 14 is arranged between the upper pressing plate and the lower pressing plate, and the lithium battery is fixed in the battery bin. The battery compartment is used for clamping the lithium battery and providing a sealed space, and a special port for the electrolyte hose to pass through and a special port communicated with the vacuum pump are arranged on the battery compartment.
The air source, the vacuum pump, the motor and other action mechanisms are controlled by one control module, and programs can be programmed into the control module in advance, so that the action mechanisms can work in a certain sequence. Or may be manually controlled by a human operator.
In practical use, two or four mounting plates, and a bracket and a battery bin which are connected with the mounting plates are uniformly distributed in the radial direction of one rotating disc. The through holes or the slots of the mounting plate, the bracket, the battery compartment and the like which are connected with each other can be made into long holes or long slots, and after the mounting plate, the bracket, the battery compartment and the like are used for a period of time, the positions of all the parts are finely adjusted to ensure the balance of the whole body.
The working process of the example is as follows:
two mounting plates are oppositely and symmetrically arranged on the rotating disc.
The vacuum pump part or whole take out air in the lithium cell, annotate the liquid valve and open, and electrolyte is injected the lithium cell under the negative pressure effect in, pours into partly back into, can close and annotates the liquid valve, converts the malleation into in with the lithium cell through the vacuum pump to it fully soaks to remain a period of time power supply electrolyte, then this process of repetition that can be continuous.
In the process, the rotating disc can rotate at the same time, and the normal rotation of the rotating disc cannot be influenced due to the existence of the conveying sliding ring.
As shown in FIGS. 3 and 4, a priming valve 25 of an alternative construction is mounted on the mounting plate, which functions in the same manner as the priming valve 2 of FIGS. 1 and 2, but which does not oscillate with the oscillating plate and bracket, and an electrolyte cartridge is provided at the rotating disk, the mounting plate or the priming valve of an alternative construction, one at each priming valve.
In the utility model, the air source realizes the driving of the liquid injection valve, so that the electrolyte is injected into the lithium battery at one time or in multiple times; the vacuum pump realizes the change of air pressure in the lithium battery, can be in positive pressure or negative pressure, and can continuously change the state when the electrolyte is injected, so that the electrolyte can be rapidly injected and fully infiltrated; the swing plate throws the support and the lithium battery out when rotating to maximize centrifugal force, and when stopping, the support and the lithium battery return to the hanging position again, so that the operation of operators is facilitated. In the structure, the positive pressure, the negative pressure, the normal pressure and the electrolyte can be freely combined in one-time injection or multiple-time injection, so that the electrolyte can be quickly injected and infiltrated, the liquid injection infiltration time is shortened, and the working efficiency is improved.
Claims (7)
1. The utility model provides a centrifugal positive negative pressure lithium secondary battery priming device, includes the pivot, its characterized in that: the rotating shaft sleeve is provided with a rotating disc, a plurality of swinging plates and a bracket, the edge of the rotating disc is provided with the swinging plates, and the bracket arranged on each swinging plate is used for mounting a lithium battery;
a conveying slip ring is sleeved on the rotating shaft, an air port of a rotating part of the conveying slip ring is communicated with the interior of the lithium battery, and a static part of the conveying slip ring is connected with a vacuum pump;
the lithium battery is connected with a liquid injection pump or a liquid injection valve;
when the rotating disc rotates along with the rotating shaft, the swinging plate can drive the lithium battery to swing upwards through the bracket.
2. The liquid injection device of the centrifugal positive and negative pressure secondary lithium battery as claimed in claim 1, wherein: the rotating disc is radially provided with a plurality of mounting plates, and the outer side end of each mounting plate is hinged with a swinging plate through a transverse hinge shaft.
3. The liquid injection device of the centrifugal positive and negative pressure secondary lithium battery as claimed in claim 1 or 2, wherein: the bracket or the mounting plate is provided with the liquid injection valve, one end of the liquid injection valve is connected with the electrolyte box, and the other end of the liquid injection valve is connected with the inside of the lithium battery;
the driving end of the liquid injection valve is connected with a gas outlet arranged on the rotating part of the conveying sliding ring, and the static part of the conveying sliding ring is connected with a gas source.
4. The liquid injection device of the centrifugal positive and negative pressure secondary lithium battery as claimed in claim 1 or 2, wherein: the bracket or the mounting plate is provided with the liquid injection pump, one end of the liquid injection pump is connected with the electrolyte box, and the other end of the liquid injection valve is connected with the lithium battery.
5. The liquid injection device of the centrifugal positive and negative pressure secondary lithium battery as claimed in claim 3, wherein: the support includes top board, connecting rod and holding down plate, and the upper end of two connecting rods is connected with the swing board both sides respectively, and the interval is provided with top board and holding down plate from top to bottom between two connecting rods, sets up the battery compartment between top board and the holding down plate, and the battery compartment internal fixation the lithium cell.
6. The liquid injection device of the centrifugal positive and negative pressure secondary lithium battery as claimed in claim 5, wherein: the rotating shaft is hollow and is rotatably arranged in the platform, a shaft sleeve is sleeved outside the rotating shaft above the platform, the lower end of the shaft sleeve is fixed with the platform, the rotating shaft above the shaft sleeve is connected with the rotating part of the conveying sliding ring, the upper end of the static part of the conveying sliding ring is connected with an air source interface which is connected with an air source and penetrates through an opening at the upper end of the rotating shaft, and the lower end of the static part is connected with a vacuum pump interface which is connected with a vacuum pump and penetrates through an opening at the lower end of the rotating shaft.
7. The liquid injection device for the centrifugal positive and negative pressure lithium secondary battery as claimed in claim 6, wherein: a belt pulley or a chain wheel is sleeved outside the rotating shaft positioned below the platform, and the belt pulley or the chain wheel is connected with a motor arranged on the platform in a follow-up manner through a belt or a chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222712907.3U CN218770010U (en) | 2022-10-13 | 2022-10-13 | Centrifugal positive negative pressure secondary lithium battery priming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222712907.3U CN218770010U (en) | 2022-10-13 | 2022-10-13 | Centrifugal positive negative pressure secondary lithium battery priming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218770010U true CN218770010U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222712907.3U Active CN218770010U (en) | 2022-10-13 | 2022-10-13 | Centrifugal positive negative pressure secondary lithium battery priming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218770010U (en) |
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2022
- 2022-10-13 CN CN202222712907.3U patent/CN218770010U/en active Active
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