CN218602711U - Lithium battery liquid injection standing device - Google Patents

Abstract

The utility model discloses a lithium cell annotates liquid device of stewing relates to the lithium cell field, including placing the case, vacuum pump and barometer, the upside of placing the case is provided with the apron, barometer fixed connection is at the upside of apron, and the lower extreme of barometer runs through the apron, the vacuum pump sets up in the one side of placing the case, the lithium cell that has improved the staff after will annotating the liquid is placed in the box, and absorb the back with the air through the vacuum pump, a lot of casees can be because of sealed inseparable enough, and the condition of gas leakage takes place, thereby lead to partial air to enter into the inside of box, not only can increase the time of stewing, the problem of leading to certain influence of stewing to the lithium cell. The mechanism compresses tightly in this device can make and to be connected to the upside of placing the case when the apron after, can fasten, firm and play the effect of compressing tightly to the apron for the apron is when playing the closure effect to placing the case, and the leakproofness is also enough high, and makes the difficult gap through placing case and apron of outside air, enters into the inside of placing the case.

Description

Lithium battery liquid injection standing device

Technical Field

The utility model belongs to the technical field of lithium cell production, more specifically say, relate to a lithium cell annotates liquid device that stews.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution using lithium metal or a lithium alloy as a positive/negative electrode material, and can be roughly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, were produced in 1996, which were superior to lithium ion batteries in safety, specific capacity, self-discharge rate, and cost performance, and lithium metal batteries generally used manganese dioxide as the positive electrode material, metallic lithium or its alloy metal as the negative electrode material, and used non-aqueous electrolyte solution, and the injection refers to the process of controlling the amount and injection time of the liquid electrolyte to inject the liquid electrolyte into the battery from the injection port.

Lithium cell need annotate liquid to inside when production among the prior art, and stew the lithium cell after annotating the liquid, make the pole piece that electrolyte can be abundant and the battery is inside contact, make the pole piece soak completely, at the battery formation in-process like this, pole piece surface energy forms complete SEI membrane, good electrical property just can be given play to the later stage battery, single battery's uniformity also can become in the group battery, staff all can place the lithium cell after annotating the liquid and stew under the vacuum environment, thereby can effectually shorten originally because of stewing required time, but the staff is placing the box with the lithium cell after annotating the liquid, and absorb the back through the vacuum pump with the air, many boxes can be because of sealed inseparable enough, and the condition of gas leakage takes place, thereby lead to partial air to entering into the inside of box, not only can increase the time of stewing, cause certain influence to lithium cell.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a lithium cell annotates liquid device of stewing, it can effectual solution staff place the box in with the lithium cell after annotating the liquid to absorb the back with the air through the vacuum pump, a lot of casees can be because of sealed inseparable, and the condition of taking place gas leakage, thereby lead to partial air to enter into the inside of box, not only can increase the time of stewing, to the problem that causes certain influence of stewing of lithium cell.

In order to solve the above problem, the utility model adopts the following technical scheme:

a lithium battery liquid injection standing device comprises a placing box, a vacuum pump and a barometer, wherein a cover plate is arranged on the upper side of the placing box, the barometer is fixedly connected to the upper side of the cover plate, the lower end of the barometer penetrates through the cover plate, the vacuum pump is arranged on one side of the placing box, an output shaft of the vacuum pump penetrates through the placing box, and a pressing mechanism is arranged on the outer side of the placing box;

hold-down mechanism includes fixed connection and is in place the fixed block in the case outside, the upside of fixed block is rotated and is connected with the connecting rod, the upper end fixedly connected with fixed plate of connecting rod, the inside threaded connection of fixed plate has the screw rod.

As a preferred scheme of the utility model, the inside of fixed plate is sliding connection still has the gag lever post, the downside of screw rod is rotated and is connected with the clamp plate.

As an optimized scheme of the utility model, clamp plate fixed connection be in the downside of gag lever post, the clamp plate sets up the upside of apron.

As a preferred scheme of the utility model, the hollow groove has been seted up to the upside of placing the case, the downside fixedly connected with picture peg of apron, the picture peg activity is pegged graft the inside in hollow groove.

As a preferred scheme of the utility model, it is located to place the case the inside fixedly connected with rubber seal block of hollow groove, rubber seal block sets up the downside of picture peg.

As a preferred scheme of the utility model, the downside fixedly connected with of apron is first to shelter from semi-ring piece and second and shelters from semi-ring piece, first shelter from semi-ring piece with the second shelters from semi-ring piece and all sets up place the outside of case.

As a preferred scheme of the utility model, first shelter from the semicircle piece with the second is sheltered from and is provided with the bolt between the semicircle piece.

As a preferred scheme of the utility model, the first spacing ring piece of upside fixedly connected with of fixed block, the downside fixedly connected with second spacing ring piece of fixed plate, just first spacing ring piece with the second spacing ring piece all sets up the outside of connecting rod.

As a preferred scheme of the utility model, the upper end fixedly connected with of screw rod rotates the piece, it is greater than the diameter of screw rod to rotate the diameter of piece.

Compared with the prior art, the utility model, following beneficial effect has:

1. the outside of placing the case in this device is provided with hold-down mechanism, and hold-down mechanism then can be so that after the apron is connected to the upside of placing the case, can fasten, stable, firm compress tightly the effect to the apron, makes the apron when playing the closure effect to placing the case, and the leakproofness is also enough high, and makes the difficult gap through placing case and apron of outside air, enters into the inside of placing the case.

2. First spacing ring piece then accessible self and being connected of fixed block and fixed plate with the second spacing ring piece in this device plays spacing and certain reinforcing effect to the connecting rod for the connecting rod is difficult for taking place the slope when using, the circumstances such as rock, has increased the steadiness of connecting rod when using.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a first limit ring block and a second limit ring block in the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

The reference numbers in the figures illustrate:

1. placing a box; 2. a cover plate; 3. a vacuum pump; 4. a barometer; 51. a fixed block; 52. a connecting rod; 53. a fixing plate; 54. a limiting rod; 55. a screw; 56. pressing a plate; 6. rotating the handle block; 71. a first limit ring block; 72. a second limit ring block; 81. a first shielding semi-ring block; 82. a second shielding semi-ring block; 83. a bolt; 91. inserting plates; 92. a hollow groove; 10. and (4) a rubber sealing block.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1-4, the embodiment of the utility model provides a lithium battery annotates liquid device of stewing, including placing case 1, vacuum pump 3 and barometer 4, the upside of placing case 1 is provided with apron 2, it deposits to place the lithium cell after the notes liquid that case 1 can be stood to needs, it can play certain connection and installation effect to apron 2 to place case 1, and apron 2 then can play to placing case 1 and close, it is closed, sealed effect, make the lithium cell that need stand after the notes liquid can be placed by stable, barometer 4 fixed connection is at the upside of apron 2, and the lower extreme of barometer 4 runs through apron 2, vacuum pump 3 sets up the one side of placing case 1, and vacuum pump 3's output shaft runs through and places case 1, apron 2 can play the effect of installation and connection to barometer 4, and place case 1 then can connect vacuum pump 3, when apron 2 is closing placing case 1, barometer 4 will show the atmospheric pressure value of placing case 1 inside, make things convenient for the staff observe the air in case 1, the case 3 can be placed smoothly when extracting the case, thereby the vacuum pump is the vacuum condition of carrying out the vacuum, make the vacuum to carry out the different models, for example, the vacuum condition of the selection case 4, thereby make the vacuum extraction of the case 4 carry out the vacuum, for example: SUX-YB80, the vacuum pump 3 can also be selected from different models according to actual situations, for example: t2SV, the outside of placing case 1 is provided with hold-down mechanism, hold-down mechanism then can be so that after apron 2 is connected to the upside of placing case 1, can fasten, stabilize, firm and play the effect of compressing tightly to apron 2, make apron 2 when playing the closure effect to placing case 1, the leakproofness is also enough high, and make outside air be difficult for entering into the inside of placing case 1 through the gap of placing case 1 and apron 2.

Referring to fig. 1-4, the pressing mechanism includes a fixing block 51 fixedly connected to the outer side of the placing box 1, a connecting rod 52 is rotatably connected to the upper side of the fixing block 51, a fixing plate 53 is fixedly connected to the upper end of the connecting rod 52, the placing box 1 can be connected and installed to the connecting rod 52 through the fixing block 51, and the connecting rod 52 can be smoothly rotated and used, the connecting rod 52 can be installed and fixed to the fixing plate 53, so that the fixing plate 53 can be firmly and stably used, a screw 55 is threadedly connected to the inner side of the fixing plate 53, a limiting rod 54 is slidably connected to the inner side of the fixing plate 53, a pressing plate 56 is rotatably connected to the lower side of the screw 55, and the pressing plate 56 is fixedly connected to the lower side of the limiting rod 54.

Referring to fig. 1-4, the pressing plate 56 is disposed on the upper side of the cover plate 2, the fixing plate 53 can connect the pressing plate 56 through the screw 55, the fixing plate 53 can fix and connect the limiting rod 54, the limiting rod 54 can smoothly limit the pressing plate 56 through the sliding connection between itself and the fixing plate 53, so that when the screw 55 rotates, the pressing plate 56 can be smoothly limited through the limiting rod 54, the pressing plate 56 is driven to move downward, and when the pressing plate 56 moves downward to a certain distance, the pressing and limiting of the cover plate 2 can be realized, so that the connection between the cover plate 2 and the storage box 1 can be tighter, and meanwhile, because the screw 55 and the fixing plate 53 are in threaded connection, the screw 55 and the fixing plate 53 have a certain self-locking property, so that the screw 55 is not easily automatically rotated during use, and the stability of the screw 55 and the pressing plate 56 in use is further increased.

As shown in fig. 1-4, a hollow groove 92 is formed on the upper side of the placing box 1, an inserting plate 91 is fixedly connected to the lower side of the cover plate 2, the inserting plate 91 is movably inserted into the hollow groove 92, the cover plate 2 can play a role in fixing the inserting plate 91, the placing box 1 can limit the inserting plate 91 through the hollow groove 92, and the inserting plate 91 is fixedly connected with the cover plate 2, so that the inserting plate 91 can be inserted into the hollow groove 92 to limit the placing box 1, meanwhile, the inserting plate 91 and the hollow groove 92 can play a certain role in isolating air entering a gap between the placing box 1 and the cover plate 2, and the inserting plate 91 can block the air to a certain degree, so that the air is more difficult to enter the placing box 1 through the air of the placing box 1 and the air of the cover plate 2.

Referring to fig. 1-4, the placing box 1 is fixedly connected with a rubber sealing block 10 inside the hollow groove 92, the rubber sealing block 10 is disposed at the lower side of the inserting plate 91, the placing box 1 can fix and connect the rubber sealing block 10 through the hollow groove 92, and the rubber sealing block 10 can further seal the connection between the hollow groove 92 and the inserting plate 91, so as to increase the blocking effect of the inserting plate 91 on air, increase the blocking effect on air, and further reduce the possibility that air enters the placing box 1.

Please refer to fig. 1-4, a first shielding semi-ring block 81 and a second shielding semi-ring block 82 are fixedly connected to a lower side of the cover plate 2, the first shielding semi-ring block 81 and the second shielding semi-ring block 82 are both disposed outside the storage box 1, a bolt 83 is disposed between the first shielding semi-ring block 81 and the second shielding semi-ring block 82, the cover plate 2 can fix and install the first shielding semi-ring block 81 and the second shielding semi-ring block 82, the bolt 83 can connect the first shielding semi-ring block 81 and the second shielding semi-ring block 82 together, when the bolt 83 connects the first shielding semi-ring block 81 and the second shielding semi-ring block 82 together, the first shielding semi-ring block 81 and the second shielding semi-ring block 82 can shield the lower side of the cover plate 2, thereby further increasing a sealing effect of the cover plate 2, so that air is more difficult to enter the storage box 1 through a gap between the storage box 1 and the cover plate 2, and at the same time, the first shielding semi-ring block 81 and the second shielding semi-ring block 82 can select different shielding materials according to practical situations, for example: and the first shielding semi-ring block 81 and the second shielding semi-ring block 82 are not easy to break or the like when being connected through the bolt 83.

Referring to fig. 1-4, the upper side of the fixing block 51 is fixedly connected with a first limit ring block 71, the lower side of the fixing plate 53 is fixedly connected with a second limit ring block 72, and both the first limit ring block 71 and the second limit ring block 72 are disposed outside the connecting rod 52, the fixing block 51 can connect and fix the first limit ring block 71, the fixing plate 53 can connect the second limit ring block 72, and the first limit ring block 71 and the second limit ring block 72 can connect the fixing block 51 and the fixing plate 53 by themselves, so as to limit and reinforce the connecting rod 52, so that the connecting rod 52 is not prone to tilt or shake when in use, and the stability of the connecting rod 52 when in use is improved.

Referring to fig. 1-4, the upper end of the screw 55 is fixedly connected with a rotating handle 6, the diameter of the rotating handle 6 is larger than that of the screw 55, and the handle 6 is rotated, so that a worker can rotate the screw 55 more conveniently and smoothly, the worker is not easily scratched by the thread on the surface of the screw 55 when the screw 55 is rotated, and meanwhile, the diameter of the screw 55 is smaller than that of the rotating handle 6, so that when the worker rotates the rotating handle 6, friction is not easily generated between the lower side of the worker and the screw 55, and the protection of the rotating handle 6 on the worker is increased.

The utility model discloses a theory of operation and use flow: when the device is used, a worker can place the lithium battery after liquid injection into the placing box 1 and cover the cover plate 2 on the upper side of the placing box 1, the inserting plate 91 is required to be inserted into the hollow groove 92 when the cover is arranged, the worker can rotate the connecting rod 52 after the cover is arranged, the connecting rod 52 can drive the limiting rod 54, the screw 55 and the pressing plate 56 to rotate together through the fixing plate 53 when being rotated, when the pressing plate 56 rotates to the upper side of the cover plate 2, the worker can rotate the screw 55 through the rotating handle block 6, the screw 55 can limit the pressing plate 56 through the limiting rod 54 when rotating, the pressing plate 56 is driven to move downwards, the pressing plate 56 can be contacted with the cover plate 2 after moving to a certain distance, at the moment, the worker can continue to rotate the rotating handle block 6, the pressing plate 56 can continue to move downwards and extrude and compress the cover plate 2, make apron 2 and place the gap between the case 1 and reduce as far as, the staff can start vacuum pump 3 after this, extract placing the inside air of case 1, and observe what of placing case 1 inside air through barometer 4, after placing the inside air of case 1 by the extraction completion, because of hold-down mechanism to the compressing tightly of apron 2, the extrusion, apron 2 and place between the case 1 then be difficult for producing the gap, make the air enter into the inside of placing case 1, so far can solve the staff and place the box with the lithium cell after annotating the liquid in, and absorb the back with the air through vacuum pump 3, many casees can be because of sealed inseparable, and the condition of gas leakage takes place, thereby lead to partial air to entering the inside of box, not only can increase the time of stewing, the problem that causes certain influence to stewing of lithium cell.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims (9)

1. The utility model provides a lithium battery injection device that stews, is including placing case (1), vacuum pump (3) and barometer (4), its characterized in that: a cover plate (2) is arranged on the upper side of the placing box (1), the barometer (4) is fixedly connected to the upper side of the cover plate (2), the lower end of the barometer (4) penetrates through the cover plate (2), the vacuum pump (3) is arranged on one side of the placing box (1), the output shaft of the vacuum pump (3) penetrates through the placing box (1), and a pressing mechanism is arranged on the outer side of the placing box (1);

hold-down mechanism includes fixed connection place fixed block (51) in the case (1) outside, the upside of fixed block (51) is rotated and is connected with connecting rod (52), the upper end fixedly connected with fixed plate (53) of connecting rod (52), fixed plate (53) inside threaded connection has screw rod (55).

2. The lithium battery electrolyte injection standing device according to claim 1, characterized in that: the inside of fixed plate (53) still sliding connection has gag lever post (54), the downside of screw rod (55) rotates and is connected with clamp plate (56).

3. The lithium battery electrolyte injection standing device according to claim 2, characterized in that: the pressing plate (56) is fixedly connected to the lower side of the limiting rod (54), and the pressing plate (56) is arranged on the upper side of the cover plate (2).

4. The lithium battery electrolyte injection standing device according to claim 1, characterized in that: the upside of placing case (1) has seted up hollow groove (92), downside fixedly connected with picture peg (91) of apron (2), picture peg (91) activity is pegged graft the inside in hollow groove (92).

5. The lithium battery electrolyte injection standing device according to claim 4, wherein: place case (1) and be located the inside fixedly connected with rubber seal block (10) of hollow groove (92), rubber seal block (10) set up the downside of picture peg (91).

6. The lithium battery electrolyte injection standing device according to claim 1, wherein: the lower side of the cover plate (2) is fixedly connected with a first shielding semi-ring block (81) and a second shielding semi-ring block (82), and the first shielding semi-ring block (81) and the second shielding semi-ring block (82) are arranged on the outer side of the storage box (1).

7. The lithium battery electrolyte injection standing device according to claim 6, wherein: and a bolt (83) is arranged between the first shielding semi-ring block (81) and the second shielding semi-ring block (82).

8. The lithium battery electrolyte injection standing device according to claim 1, characterized in that: the utility model discloses a connecting rod (52) of fixed block's (51) upside fixedly connected with first spacing ring piece (71), the downside fixedly connected with second spacing ring piece (72) of fixed plate (53), just first spacing ring piece (71) with second spacing ring piece (72) all set up the outside of connecting rod (52).

9. The lithium battery electrolyte injection standing device according to claim 1, characterized in that: the upper end of the screw rod (55) is fixedly connected with a rotating handle block (6), and the diameter of the rotating handle block (6) is larger than that of the screw rod (55).

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