CN218242204U

CN218242204U - Isobaric injection standing equipment

Info

Publication number: CN218242204U
Application number: CN202221754309.6U
Authority: CN
Inventors: 徐宏阳; 柳春雷; 吴良骥; 刘一虎; 赵彬彬
Original assignee: Jiewei Power Industry Jiaxing Co ltd
Current assignee: Jiewei Power Industry Jiaxing Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-01-06
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses an isobaric liquid injection standing device, which comprises a frame, wherein an upper clamp and a lower clamp which can be butted in a sealing way are arranged on the frame, the upper clamp comprises an outer housing A, a liquid injection cup body, a sealing rod component, a liquid injection cup vacuum pipeline and an aluminum shell battery cell vacuum pipeline, the liquid injection cup body is arranged in the inner cavity of the outer housing A, and the liquid injection cup body is provided with a liquid injection nozzle and a liquid injection port; the sealing rod component comprises a telescopic push rod, a sealing plug is arranged at the free end of the telescopic push rod, and the sealing rod component can seal the liquid injection nozzle and the liquid injection port; the vacuum pipeline of the liquid injection cup is communicated with the liquid injection cup body, and the vacuum pipeline of the aluminum shell battery cell is communicated with a cavity on the upper clamp except the liquid injection cup body; lower anchor clamps set up in the frame and through the frame relatively slip of push-and-pull subassembly, and this lower anchor clamps contain housing B and climbing mechanism, and climbing mechanism sets up in the bottom of housing B inner chamber, utilizes this application the device to solve current notes liquid equipment and exists the big and high problem of use cost who accounts for ground.

Description

Isobaric injection standing equipment

Technical Field

The utility model belongs to the technical field of the aluminum hull electricity core is made, especially, relate to an isobaric notes liquid equipment of stewing.

Background

The liquid injection system comprises an aluminum shell battery cell, a liquid injection cup body, a clamp, a liquid injection cup vacuum system, a clamp vacuum system and the like, wherein the liquid injection cup vacuum system is communicated with the liquid injection cup and the inside of the aluminum shell battery cell; before adding electrolyte into a liquid injection cup body, the inside of an aluminum shell battery cell is vacuumized through a liquid injection cup vacuum system, the liquid injection cup body and a bottom liquid injection nozzle, a liquid injection hole is sealed through a liquid injection cup body inner sealing rod, and then the electrolyte is added into the cup body after vacuum breaking treatment; and finally, the sealing rod in the liquid injection cup body rises to open the liquid injection hole, and because the pressure difference is formed between the inside of the aluminum shell battery cell and the inside of the cup body, the electrolyte in the cup body is sucked into the aluminum shell under the action of the vacuum of the aluminum shell battery cell.

At present, the injection mode of the square aluminum shell comprises an isobaric injection mode and a differential pressure injection mode; although the differential pressure liquid injection mode has small equipment volume and low cost, the differential pressure liquid injection mode has the problems of slow electrolyte absorption and low efficiency; although the isobaric liquid injection mode has the advantages of fast absorption of electrolyte and high efficiency, the occupied area of equipment is relatively large, and the cost is high, so that the two liquid injection modes are relatively speaking, the existing isobaric liquid injection mode is generally used for liquid injection, and how to design the isobaric liquid injection equipment, the isobaric liquid injection equipment has the advantages of the isobaric liquid injection mode, and the advantages of small volume and low cost are the technical problems to be solved by the application.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an equipressure is annotated liquid and is stood equipment solves current notes liquid equipment and exists the big and high problem of use cost who accounts for ground.

The utility model provides an isobaric notes liquid equipment of stewing, contain frame (1), be equipped with upper fixture (2) and lower anchor clamps (7) that can seal the butt joint on frame (1), upper fixture (2) are fixed on frame (1), and this upper fixture (2) contain outer casing A (20), annotate liquid cup (3), sealing rod subassembly (4), annotate liquid cup vacuum pipeline (5) and aluminum hull electricity core vacuum pipeline (6), annotate liquid cup (3) and set up in the inner chamber of outer casing A (20) and be equipped with on this cup (3) at least and annotate liquid mouth (31) and annotate liquid mouth (32), sealing rod subassembly (4) contain flexible push rod, and the free end of this flexible push rod is equipped with sealed end cap, and the sealed end cap that utilizes on this sealed liquid cup subassembly (4) to annotate liquid mouth (31) and annotate liquid mouth (32) and seal when necessary, annotate liquid cup vacuum pipeline (5) with annotate liquid cup vacuum pipeline (3) intercommunication, aluminum hull electricity core vacuum pipeline (6) with the cavity that the cup (3) was gone up except cup on upper fixture (2) communicates; lower anchor clamps (7) set up in frame (1) and through the relative frame of push-and-pull subassembly (1) clamp (2) end slip that makes progress, this lower anchor clamps (7) contain outer housing B (70) and climbing mechanism, climbing mechanism sets up the bottom of outer housing B (70) inner chamber, and this climbing mechanism can drive aluminum hull electricity core (8) elevating movement and then realize that electricity core annotates butt joint and separation of liquid mouth (31) on liquid hole (81) and the notes liquid cup (3).

As the preferred scheme of this application, be equipped with a plurality of independent notes liquid cup (3) in encloser A (20), this a plurality of independent notes liquid cup (3) set corresponding sealing rod subassembly (4), annotate liquid cup vacuum line (5) and aluminum-clad electricity core vacuum line (6) respectively, also the setting quantity of sealing rod subassembly (4), annotate liquid cup vacuum line (5) and aluminum-clad electricity core vacuum line (6) with the quantity of annotating liquid cup (3) is the same.

As a preferred scheme of the application, when the liquid injection cup vacuum pipeline (5) and the aluminum shell battery cell vacuum pipeline (6) comprise multiple paths, each path of liquid injection cup vacuum pipeline (5) and each path of aluminum shell battery cell vacuum pipeline (6) are respectively connected with a corresponding vacuum system; or, the vacuum pipelines (5) of the liquid injection cups are connected with the same vacuum system, and the vacuum pipelines (6) of the aluminum shell battery cells are connected with the same vacuum system.

As the preferred scheme of this application, climbing mechanism contains lifting unit (72) and layer board at least, lifting unit (72) set up between layer board and the inner chamber bottom, lifting unit (72) can drive layer board lift removal and then drive aluminum hull electricity core (8) lift removal.

As the preferred scheme of this application, be equipped with aluminium shell electricity core in the inner chamber of housing B (70) and place chamber (71), this aluminium shell electricity core is placed chamber (71) and is independent cavity structure, and this aluminium shell electricity core is placed chamber (71) and is a logical cavity structure, or, this aluminium shell electricity core is placed chamber (71) and is contained a plurality of compartments that can place aluminium shell electricity core (8), climbing mechanism sets up and places between the inner chamber of chamber (71) and housing B (70) at aluminium shell electricity core, and this climbing mechanism can drive aluminium shell electricity core and place chamber (71) lift removal and then drive aluminium shell electricity core (8) lift removal.

As a preferred scheme of the application, the jacking mechanism at least comprises a lifting assembly (72).

According to the preferable scheme of the application, the corresponding positions of the upper clamp (2) and the lower clamp (7) are provided with limiting assemblies, and the battery cell liquid injection hole (81) on the lower clamp (7) can be aligned with the liquid injection nozzle (31) on the upper clamp (2) by using the limiting assemblies.

As a preferable scheme of the application, the push-pull assembly comprises a guide rail (11) arranged on the rack (1) and a push-pull rod (10), a support frame (75) is arranged on the lower clamp (7), a fixing ring (752) and a sliding block (751) connected with the guide rail (11) are arranged on the support frame (75), one end of the push-pull rod (10) is fixed on the rack (1), and the other end of the push-pull rod is connected with the support frame (75) through the fixing ring (752).

In a preferred embodiment of the present invention, a gasket is provided on a surface of the outer casing a (20) and a surface of the outer casing B (70) which are in contact with each other.

As a preferable scheme of the application, the liquid injection cup body (3) is of a conical structure.

Compared with the prior art, this isobaric notes liquid equipment of stewing of this application's advantage lies in: the structure of the device is optimized and centralized on the basis of the existing liquid injection device, the volume of the device is reduced, meanwhile, a liquid injection cup vacuum pipeline 5 and an aluminum shell battery cell vacuum pipeline 6 are arranged, the liquid injection cup body 3 can be injected with liquid and the interior of the aluminum shell battery cell 8 can be vacuumized synchronously by utilizing the two vacuum pipelines, so that the time length of a liquid injection procedure is reduced, the liquid injection speed is improved, the upper clamp 7 and the lower clamp 7 of the liquid injection standing device with the structure are in a sealed state in the liquid injection process, the aluminum shell battery cell 8 can be ensured to be injected with liquid in an isobaric state by utilizing the synchronous or sequential operation of the liquid injection cup vacuum pipeline 5 and the aluminum shell battery cell vacuum pipeline 6, and the liquid injection efficiency and the absorption rate of electrolyte are improved; that is, this equipment is small, simple structure, convenient operation not only in this application, and it is long to reduce the notes liquid process moreover, improves and annotates liquid efficiency.

Drawings

Fig. 1 is an overall structural schematic diagram of an isobaric injection standing device provided by an embodiment of the present invention.

Fig. 2 is a schematic view of an internal structure of the upper and lower clamps according to an embodiment of the present invention.

Fig. 3 is a schematic view of a sealing and butting structure of the upper and lower clamps according to an embodiment of the present invention.

Fig. 4 is the utility model provides a hole is annotated to electric core and annotates the butt joint structural sketch of annotating the liquid mouth on annotating the liquid cup.

Fig. 5 is a rear view schematic structural diagram of an isobaric injection standing device according to an embodiment of the present invention.

Fig. 6 is a schematic cross-sectional structure view of the upper fixture provided by the second embodiment of the present invention and provided with multiple liquid injection cups.

Fig. 7 is a schematic sectional view of the aluminum-shell battery cell placement cavity in the inner cavity of the outer casing B provided in the third embodiment of the present invention.

Reference numerals

The aluminum cell filling machine comprises a frame 1, a push-pull rod 10, a guide rail 11, a vertical fixing frame 12, an upper top plate 13, a lower bottom plate 14, an upper clamp 2, an outer casing A20, a positioning pin 201, a liquid filling cup body 3, a liquid filling nozzle 31, a liquid filling opening 32, a sealing rod assembly 4, a liquid filling cup vacuum pipeline 5, an aluminum cell vacuum pipeline 6, a lower clamp 7, an outer casing B70, an aluminum cell placing cavity 71, a lifting assembly 72, a supporting plate A73, a supporting plate B74, a supporting frame 75, a sliding block 751, a fixing ring 752, an aluminum cell 8 and a cell liquid filling hole 81.

Detailed Description

The present invention is described in further detail below with reference to specific embodiments and with reference to the attached drawings, it should be emphasized that the following description is merely exemplary and not intended to limit the scope and application of the present invention.

In the description of the present invention, it should be understood that the terms "upper end", "bottom", "upper", "lower", "outside", "inside", 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 mechanism referred to must have a specific orientation, be constructed in a specific orientation, or be operated, and therefore, should not be construed as limiting the present invention; meanwhile, in the description of the present invention, the meaning of "at least" includes one, two and more than two.

In the present invention, unless otherwise explicitly specified or limited, the terms "fixed", "connected", "mounted", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, and rotatably connected, or integrally connected, directly connected, or indirectly connected through an intermediate medium; the specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Example 1: the embodiment provides isobaric liquid injection standing equipment, and referring to fig. 1, the equipment comprises a frame 1, preferably, the frame 1 is in a structure like a letter '21274', that is, the frame 1 comprises a vertical fixing frame 12, and an upper top plate 13 and a lower bottom plate 14 connected with two ends of the vertical fixing frame 12, and an upper clamp 2 and a lower clamp 7 which can be in sealed butt joint are arranged on the frame 1.

In this embodiment, the upper fixture 2 is fixed at a position of the rack 1 close to the upper top plate 13, and the upper fixture 2 includes an outer casing a20, an injection cup body 3, a sealing rod assembly 4, an injection cup vacuum pipeline 5, and an aluminum-shell battery cell vacuum pipeline 6, referring to fig. 2, in this embodiment, preferably, the outer casing a20 is a quadrangular structure (i.e., a box structure) with an opening at one end, and the outer casing a20 is fixed on the rack 1 in a downward opening manner; the liquid injection cup body 3 is arranged in the inner cavity of the outer cover shell A20, and at least a liquid injection nozzle 31 and a liquid injection port 32 are arranged on the liquid injection cup body 3, in the embodiment, the liquid injection cup body 3 is preferably in a cone-shaped structure, the liquid injection nozzle 31 is arranged at the top of a cone, and the liquid injection port 32 is arranged at the bottom of the cone; the sealing rod component 4 comprises a telescopic push rod and a sealing plug, the sealing plug is arranged at the free end of the telescopic push rod, and the sealing plug is driven by the telescopic push rod to seal the liquid injection nozzle 31 and the liquid injection port 32 when necessary, preferably, the sealing rod component 4 comprises two groups of telescopic push rods which respectively correspond to the liquid injection nozzle 31 and the liquid injection port 32; in this embodiment, it is preferable that the sealing rod assembly 4 is disposed on the top of the outer casing a20, the sealing rod assembly 4 is fixed on the upper top plate 13 of the frame 1, the top of the outer casing a20 is provided with a through opening communicated with the inner cavity of the outer casing a, and the conical bottom of the liquid injection cup is provided with an opening corresponding to the liquid injection nozzle 31 in the vertical direction, and at least a sealing plug can enter the through opening and the opening; the liquid injection cup vacuum pipeline 5 is communicated with the liquid injection cup body 3, and the inner cavity of the liquid injection cup body 3 can be vacuumized by utilizing the liquid injection cup vacuum pipeline 5; the aluminum shell battery cell vacuum pipeline 6 is communicated with the cavities of the upper clamp 2 except the liquid injection cup body 3, and other cavities except the liquid injection cup body 3 can be vacuumized by utilizing the aluminum shell battery cell vacuum pipeline 6; in this embodiment, the liquid injection cup vacuum pipeline 5 and the aluminum shell battery cell vacuum pipeline 6 are both connected with corresponding vacuum systems, and the vacuum systems are provided with pressure detectors.

In this embodiment, the lower fixture 7 is disposed at a position of the rack 1 near the lower top plate, the lower fixture 7 can slide toward the upper fixture 2 end relative to the rack 1 through the push-pull assembly to be in sealed butt joint with the upper fixture 2, referring to fig. 3, the lower fixture 7 includes an outer casing B70 and a jacking mechanism, referring to fig. 2, the jacking mechanism is disposed at the bottom of an inner cavity of the outer casing B70, and the jacking mechanism can drive an aluminum casing cell 8 placed in the inner cavity of the outer casing B70 to move up and down to realize butt joint and separation of the cell liquid injection hole 81 and the liquid injection nozzle 31 on the liquid injection cup body 3, referring to fig. 4; in this embodiment, a plurality of aluminum-clad cells 8 may be placed in the inner cavity of the outer cover B70; in the present embodiment, the shape and size of the outer casing B70 are the same as those of the outer casing a 20; in this embodiment, it is preferable that the jacking mechanism at least includes a lifting assembly 72 and a supporting plate, the lifting assembly 72 is disposed between the supporting plate and the bottom of the inner cavity, the jacking mechanism can drive the supporting plate to move up and down to further drive the aluminum-shell battery cell 8 to move up and down, and the lifting assembly 72 in this embodiment is any one of a hydraulic cylinder, an electric push rod, a wedge assembly, a hydraulic expansion or airbag expansion assembly, and a worm and gear assembly; in this embodiment, the supporting plate preferably includes a supporting plate a73 and a supporting plate B74, where the supporting plate a73 is disposed between the supporting plate B74 and the lifting assembly 72, a size of the supporting plate a73 is slightly smaller than a size of an inner cavity of the outer casing B70, the supporting plate B74 includes a plurality of supporting plates, a size of each supporting plate corresponds to a length and a width of the aluminum casing cell 8, and in use, the aluminum casing cell 8 is placed on the supporting plate B74.

Further, in this embodiment, the push-pull assembly includes a guide rail 11 and a push-pull rod 10, which are disposed on the frame 1, the lower fixture 7 is provided with a support frame 75, the support frame 75 is provided with a fixing ring 752 and a sliding block 751 connected to the guide rail 11, one end of the push-pull rod 10 is fixed on the frame 1, and the other end is connected to the support frame 75 through the fixing ring 752; in this embodiment, the push-pull rod is any one of a lifting cylinder, a hydraulic oil cylinder or an electric push rod, as shown in fig. 5.

Further, in the present embodiment, in order to increase the sealing performance between the upper jig 2 and the lower jig 7, it is preferable that a gasket be provided on the surface where the outer casing a20 and the outer casing B70 contact each other.

In this embodiment, the telescopic push rod or the push-pull rod 10 may be a hydraulic cylinder or an electric push rod, and is specifically selected according to the required stroke and bearing capacity, in this embodiment, it is preferable that the telescopic push rod is an electric push rod, and the push-pull rod 10 is a hydraulic cylinder.

When the device is used, firstly, the aluminum shell battery cell 8 is placed in the outer housing B70 of the lower clamp 7, then the lower clamp 7 is driven by the push-pull assembly to move towards the end of the upper clamp 2, the outer housing B70 is in sealed butt joint with the outer housing A20, then the sealing rod assembly 4 is started, the liquid injection nozzle 31 and the liquid injection port 32 of the liquid injection cup are respectively sealed by two groups of telescopic push rods in the sealing rod assembly 4, then the vacuum pipeline 5 of the liquid injection cup is started, the vacuum pipeline 5 of the liquid injection cup is used for vacuumizing the liquid injection cup body 3, and the pressure is maintained after the liquid injection cup body is vacuumized to a certain value; after the liquid injection cup body 3 is vacuumized, the sealing rod assembly 4 and the aluminum shell battery cell vacuum pipeline 6 are synchronously started, the telescopic push rod which is in sealed butt joint with the liquid injection nozzle 31 is kept still, the telescopic push rod which is in sealed butt joint with the liquid injection port 32 in the sealing rod assembly 4 is contracted, the liquid injection port 32 is opened, and electrolyte is added into the liquid injection cup body 3 through the liquid injection port 32 (due to the fact that the liquid injection cup body 3 is vacuumized, the liquid injection cup body 3 can be rapidly injected with the electrolyte in a negative pressure state, the electrolyte adding speed in the liquid injection cup body 3 is improved), meanwhile, the aluminum shell battery cell 8 is vacuumized through the started aluminum shell battery cell vacuum pipeline 6, in the embodiment, due to the fact that the outer shell A20 and the outer shell B70 are in sealed butt joint, a communicating cavity except for the liquid injection cup body 3 in the inner cavity of the outer shell B70 and the liquid injection cup body A20 is formed, the aluminum shell battery cell 8 is located in the communicating cavity, and when the battery cell vacuum pipeline 6 is vacuumized, the battery cell 8 is vacuumized through the negative pressure maintaining hole, and the battery cell is vacuumized to a certain value (the up-up and down pressure maintaining performance of the battery cell vacuum pipeline 7 can be detected); after liquid injection is completed in the liquid injection cup body 3 and vacuumizing treatment is completed on the aluminum shell battery cell 8, the sealing rod assembly 4 is started firstly, a telescopic push rod corresponding to the liquid injection port 32 in the sealing rod assembly 4 is stretched to seal the liquid injection port 32, meanwhile, the telescopic push rod in the sealing rod assembly 4, which is in sealed butt joint with the liquid injection nozzle 31, is contracted to open the liquid injection nozzle 31, and at the moment, the interior of the aluminum shell battery cell 8 is in a negative pressure state, so that the electrolyte in the liquid injection cup body 3 can quickly progress the interior of the aluminum shell battery cell 8; in this embodiment, since the phenomenon that the electrolyte may be unevenly distributed inside the electrical core may exist in one-time liquid injection, the sealing rod assembly 4, the liquid injection cup vacuum pipeline 5 and the aluminum shell electrical core vacuum pipeline 6 need to be mutually matched, so that the secondary liquid injection of the electrical core can be completed after the circulation operation of synchronous positive pressure-normal pressure-vacuum-normal pressure-positive pressure inside and outside the aluminum shell electrical core 8 is maintained.

To sum up, the present embodiment optimizes and concentrates the structure of the apparatus based on the existing liquid injection apparatus, reduces the volume of the apparatus, and at the same time, sets the vacuum pipeline 5 of the liquid injection cup and the vacuum pipeline 6 of the aluminum-shell battery cell, and the two vacuum pipelines can be used to synchronously inject liquid into the liquid injection cup body 3 and vacuumize the interior of the aluminum-shell battery cell 8, so as to reduce the time length of the liquid injection process and improve the liquid injection speed, and the liquid injection standing apparatus of the structure has the upper clamp and the lower clamp 7 in a sealed state during the liquid injection process, so that the liquid injection cup vacuum pipeline 5 and the aluminum-shell battery cell vacuum pipeline 6 are synchronously or successively operated to ensure that the aluminum-shell battery cell 8 injects liquid in an isobaric state, thereby improving the liquid injection efficiency and the absorption rate of the electrolyte; that is, this equipment is small, simple structure, convenient operation not only in this embodiment, and it is long to reduce the notes liquid process moreover, improves and annotates liquid efficiency.

Example 2: compared with the embodiment 1, the difference of the embodiment is that a plurality of independent liquid injection cup bodies 3 are arranged in the outer housing a20, referring to fig. 6, the plurality of independent liquid injection cup bodies 3 are respectively provided with corresponding sealing rod assemblies 4, liquid injection cup vacuum pipelines 5 and aluminum-shell battery cell vacuum pipelines 6, that is, the number of the sealing rod assemblies 4, the liquid injection cup vacuum pipelines 5 and the aluminum-shell battery cell vacuum pipelines 6 is the same as the number of the liquid injection cup bodies 3; the setting quantity of the liquid injection cups is preferably the same as the maximum quantity of the aluminum-shell batteries placed in the outer housing B70, so that the liquid can be injected into a plurality of aluminum-shell batteries 8 at the same time, and the liquid injection efficiency is improved.

In this embodiment, when annotating liquid cup vacuum line 5 and aluminium shell electricity core vacuum line 6 and containing the multichannel, each way annotates liquid cup vacuum line 5 and each way aluminium shell electricity core vacuum line 6 and connects the vacuum system that corresponds respectively, so can control different vacuum line respectively as required for it is more nimble to manage out vacuum or malleation operation to each annotate liquid cup 3 and each aluminium shell electricity core 8.

Alternatively, in this embodiment, in order to save the use cost of the vacuum system, it is preferable that the liquid cup vacuum lines 5 are connected to the same vacuum system, and the aluminum-shell cell vacuum lines 6 are connected to the same vacuum system.

Example 3: compared with the

embodiment

1 or 2, the difference of this embodiment is that an aluminum-shell electrical-core placing cavity 71 is arranged in the inner cavity of the outer housing B70, the aluminum-shell electrical-core placing cavity 71 is an independent cavity structure, the aluminum-shell electrical-core placing cavity 71 is a through cavity structure, or the aluminum-shell electrical-core placing cavity 71 includes a plurality of compartments capable of placing the aluminum-shell electrical core 8, the jacking mechanism is arranged between the aluminum-shell electrical-core placing cavity 71 and the inner cavity of the outer housing B70, and the jacking mechanism can drive the aluminum-shell electrical-core placing cavity 71 to move up and down so as to drive the aluminum-shell electrical core 8 to move up and down; in this embodiment, the jacking mechanism may include only the lifting assembly 72, see fig. 7.

Example 4: compared with the

embodiment

1 or 2 or 3, the difference of this embodiment lies in, the corresponding position of going up anchor clamps 2 and lower anchor clamps 7 is equipped with spacing subassembly, utilizes this spacing subassembly can be with the electric core on lower anchor clamps 7 annotate liquid hole 81 and last anchor clamps 2 on annotate liquid mouth 31 and align, and the preferred spacing subassembly of this embodiment is for setting up locating pin 201 and the shrinkage pool on outer housing A20 and outer housing B70 contact surface, locating pin 201 can imbed in the shrinkage pool in order to realize the location to upper and lower anchor clamps 7, so not only can improve the sealing performance of upper and lower anchor clamps 7, can make annotate liquid mouth 31 and electric core and annotate the counterpoint of liquid hole 81, avoid annotating liquid mouth 31 and electric core and annotate the emergence that the dislocation of liquid hole 81 leads to the outer phenomenon of leaking of electrolyte.

In this embodiment, the limiting component may also be an existing centering mechanism or an existing orifice position detecting unit, and the alignment detecting mechanism adopted to solve the problem of the misalignment between the liquid injecting nozzle 31 and the battery cell liquid injecting hole 81 in this embodiment is within the protection scope of this embodiment.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that, for the person skilled in the art, without departing from the scope of the present invention, several improvements can be made, which should also be considered as the scope of protection of the present invention, and these will not affect the effectiveness of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The isobaric liquid injection standing equipment is characterized by comprising a rack (1), wherein an upper clamp (2) and a lower clamp (7) which can be in butt joint in a sealing mode are arranged on the rack (1), the upper clamp (2) is fixed on the rack (1), the upper clamp (2) comprises an outer housing A (20), a liquid injection cup body (3), a sealing rod assembly (4), a liquid injection cup vacuum pipeline (5) and an aluminum shell battery cell vacuum pipeline (6), the liquid injection cup body (3) is arranged in an inner cavity of the outer housing A (20), at least a liquid injection nozzle (31) and a liquid injection port (32) are arranged on the liquid injection cup body (3), the sealing rod assembly (4) comprises a telescopic push rod, a sealing plug is arranged at the free end of the telescopic push rod, the liquid injection nozzle (31) and the liquid injection port (32) can be sealed by using the sealing plug on the sealing rod assembly (4) when necessary, the cup vacuum pipeline (5) is communicated with the liquid injection nozzle (3), and the aluminum shell battery cell vacuum pipeline (6) is communicated with a cavity of the upper clamp (2) except for the liquid injection cup body (3); lower anchor clamps (7) set up in frame (1) and through the relative frame of push-and-pull subassembly (1) clamp (2) end slip that makes progress, this lower anchor clamps (7) contain outer housing B (70) and climbing mechanism, climbing mechanism sets up the bottom of outer housing B (70) inner chamber, and this climbing mechanism can drive aluminum hull electricity core (8) elevating movement and then realize that electricity core annotates butt joint and separation of liquid mouth (31) on liquid hole (81) and the notes liquid cup (3).

2. The isobaric injection standing device according to claim 1, wherein a plurality of independent injection cup bodies (3) are arranged in the outer casing A (20), and the plurality of independent injection cup bodies (3) are respectively provided with corresponding sealing rod assemblies (4), injection cup vacuum pipelines (5) and aluminum-shell battery cell vacuum pipelines (6), namely the number of the sealing rod assemblies (4), the injection cup vacuum pipelines (5) and the aluminum-shell battery cell vacuum pipelines (6) is the same as that of the injection cup bodies (3).

3. The isobaric solution injection standing device according to claim 2, characterized in that when the solution injection cup vacuum pipeline (5) and the aluminum shell cell vacuum pipeline (6) comprise multiple channels, each channel of solution injection cup vacuum pipeline (5) and each channel of aluminum shell cell vacuum pipeline (6) are respectively connected with a corresponding vacuum system; or, the vacuum pipelines (5) of the liquid injection cups are connected with the same vacuum system, and the vacuum pipelines (6) of the aluminum shell battery cell are connected with the same vacuum system.

4. The isobaric injection standing device according to any one of claims 1 to 3, wherein the jacking mechanism at least comprises a lifting assembly (72) and a supporting plate, the lifting assembly (72) is arranged between the supporting plate and the bottom of the inner cavity, and the lifting assembly (72) can drive the supporting plate to move up and down to drive the aluminum-shell battery cell (8) to move up and down.

5. The isobaric injection standing device according to claim 1, wherein an aluminum-shell cell placing cavity (71) is provided in the inner cavity of the outer casing B (70), the aluminum-shell cell placing cavity (71) is an independent cavity structure, the aluminum-shell cell placing cavity (71) is a through cavity structure, or the aluminum-shell cell placing cavity (71) comprises a plurality of compartments capable of placing the aluminum-shell cells (8), the jacking mechanism is provided between the aluminum-shell cell placing cavity (71) and the inner cavity of the outer casing B (70), and the jacking mechanism can drive the aluminum-shell cell placing cavity (71) to move up and down to drive the aluminum-shell cells (8) to move up and down.

6. The isopipe resting device of claim 5, wherein the jacking mechanism comprises at least a lifting assembly (72).

7. The isopiestic liquid injection resting device according to any one of claims 1 to 3, characterized in that corresponding positions of the upper clamp (2) and the lower clamp (7) are provided with limiting assemblies by means of which the cell injection holes (81) on the lower clamp (7) can be aligned with the injection nozzles (31) on the upper clamp (2).

8. The isostatic pressing liquid injection standing device according to any one of claims 1-3, wherein the push-pull assembly comprises a guide rail (11) and a push-pull rod (10) which are arranged on the frame (1), the lower fixture (7) is provided with a support frame (75), the support frame (75) is provided with a fixing ring (752) and a sliding block (751) connected with the guide rail (11), one end of the push-pull rod (10) is fixed on the frame (1), and the other end of the push-pull rod is connected with the support frame (75) through the fixing ring (752).

9. The isobaric solution standing device according to any of claims 1-3, characterized in that the surfaces of said outer casing A (20) and outer casing B (70) in mutual contact are provided with sealing gaskets.

10. The isostatic pressing liquid placement device according to any of claims 1-3, wherein said liquid cup (3) has a conical structure.