Battery electrolyte injection device

Abstract

The utility model discloses a battery electrolyte injection device which comprises a vacuumizing mechanism, the vacuumizing mechanism comprises a rack, and a plurality of lifting cylinders are assembled and connected to the top of the rack; the vacuumizing mechanism further comprises a vacuum cover, and the vacuum cover is communicated with a vacuum pump. A piston rod of the lifting cylinder is fixedly assembled at the top of the vacuum cover; a sealing base corresponding to the vacuum cover is fixedly assembled and connected to the bottom of the rack; the battery electrolyte injection device further comprises an electrolyte filling mechanism fixedly assembled at the top of the sealing base; the electrolyte punching and loading mechanism comprises a loading assembly for loading batteries, the top of the loading assembly is fixedly assembled and connected with a punching and loading assembly, the punching and loading assembly comprises an adjusting plate, and the adjusting plate is assembled and connected with a plurality of punching and loading pipes. According to the device, a vacuum space environment can be provided for punching and mounting a plurality of batteries at the same time, the requirement of production and processing amount is met, and the defect that air enters the batteries in the punching and mounting process is effectively overcome.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery electrolyte filling, and particularly relates to a battery electrolyte filling device. Background Art

[0002] A battery is an energy device that can convert electrical energy into chemical energy. Its main structure includes a battery shell and chemical components such as electrolytes located inside the battery shell.

[0003] Since batteries are portable, have a long discharge time and a short charge time, they are widely used in the industry, such as mobile devices including cars, daily biological lighting, etc. Batteries are widely used and their demand in the industry is very large. And because batteries can be recycled, they also have many advantages such as energy saving and environmental protection.

[0004] During the battery production and processing, it is necessary to fill the battery with electrolyte, and the battery production and processing is achieved by filling the electrolyte.

[0005] However, in actual production, it was found that during the electrolyte charging process, air can easily enter the battery along with the electrolyte, especially during long charging processes. This causes the battery to need to be vacuumed and vented after charging.

[0006] In the actual production process, it is found that exhaust after charging and filling can easily cause the electrode liquid to overflow the battery with the air, causing the battery surface to be contaminated by the electrode liquid. Therefore, in the actual production process, it is considered to perform vacuum treatment during the charging and filling process to ensure that the amount of air in the charging and filling environment is very small. However, at present, in the production process, a vacuum charging electrolyte equipment that can meet the production volume needs and prevent air from entering the battery during the charging and filling process has not been designed. Utility Model Content

[0007] Based on the above background, the purpose of the utility model is to provide a battery electrolyte injection device.

[0008] In order to achieve the above objectives, the utility model adopts the following technical solutions:

[0009] A battery electrolyte injection device comprises a vacuum pumping mechanism, wherein the vacuum pumping mechanism comprises a frame, and a plurality of lifting cylinders are assembled and connected to the top of the frame;

[0010] The vacuum pumping mechanism further comprises a vacuum cover, and the vacuum cover is connected to a vacuum pump;

[0011] The piston rod of the lifting cylinder is fixedly assembled on the top of the vacuum cover;

[0012] The bottom of the frame is fixedly assembled and connected with a sealing base corresponding to the vacuum cover;

[0013] The battery electrolyte injection device also includes an electrolyte filling mechanism fixedly assembled at the top of the sealing base;

[0014] The electrolyte charging mechanism comprises a loading component of a loading battery, the top of the loading component is fixedly assembled and connected with a charging component, the charging component comprises an adjustment plate, and a plurality of charging tubes are assembled and connected on the adjustment plate.

[0015] Preferably, the cross-sectional shape of the vacuum cover is rectangular;

[0016] The top of the vacuum cover is connected with a vacuum pipe, and the vacuum pipe is connected to a vacuum pump through a hose.

[0017] Preferably, the adjustment plate is provided with a plurality of threaded through holes, and the punching tube is threadably connected to the threaded through holes.

[0018] Preferably, the material loading assembly includes a lower support plate, and the material loading assembly also includes an upper limit plate; a plurality of limit through holes are formed on the upper limit plate.

[0019] Preferably, a plurality of elastic pressure plates are fixedly connected to the hole wall of the limiting through hole;

[0020] The battery is limited in the limiting through hole and is resisted by the elastic pressure plate to maintain the vertical posture of the battery.

[0021] Preferably, the lower support plate and the upper limit plate are fixedly connected via a plurality of connecting members.

[0022] Preferably, the connecting member comprises a connecting screw, and the lower support plate and the upper limit plate are respectively fixedly connected with a threaded pipe seat which is threadedly connected to the connecting screw.

[0023] Preferably, the adjustment plate and the upper limit plate are fixedly connected via a plurality of adjustment connectors.

[0024] Preferably, the adjusting connection member comprises a long adjusting screw fixedly connected to the top position of the upper limit plate;

[0025] The long adjusting screw is slidably connected to the adjusting plate;

[0026] The upper end of the long adjusting screw is threadedly connected with a pair of adjusting nuts positioned at the top and bottom of the adjusting plate.

[0027] The utility model has the following beneficial effects:

[0028] 1. During the working process, driven by the cylinder, when the vacuum cover descends to fit onto the sealing base, the sealing base seals the bottom of the vacuum cover. During the working process, the vacuum pump works, and a relative vacuum environment is formed in the cover cavity of the vacuum cover. At this time, the electrolyte is charged in the cover cavity of the vacuum cover. Since the cover cavity of the vacuum cover has a certain space size, it can provide a vacuum space environment for charging multiple batteries at the same time. This method effectively solves the defect of air entering the battery during the charging process.

[0029] 2. During the working process, first loosen the adjustment nut and slide the adjustment plate down until the adjustment plate-charging tube is lowered close to the battery for preliminary position adjustment, then adjust the charging tube in a threaded manner according to the above method until the charging tube is inserted into the battery, and then inject the electrolyte into the charging tube. The above method is easy to operate and easy to adjust according to the battery. In the actual production process, it can cope with the charging of electrolytes for batteries of various specifications. And the above method can realize the charging of multiple batteries at the same time to meet the needs of production and processing volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0031] Figure 1 It is a schematic diagram of the overall structure in an embodiment of the utility model;

[0032] Figure 2 This is a schematic diagram of the structure of the electrolyte charging mechanism in the embodiment of the utility model;

[0033] Figure 3 This is a schematic diagram of the structure of the elastic pressure plate fixed by the limiting through hole in the embodiment of the utility model;

[0034] Figure 4 For the utility model embodiment Figure 1 A schematic diagram of the structure from another perspective;

[0035] Figure 5 It is a structural schematic diagram of the vacuum pumping mechanism in the embodiment of the utility model.

[0036] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0040] Example 1

[0041] like Figure 1-5 As shown, a battery electrolyte injection device includes a vacuum pumping mechanism, wherein the vacuum pumping mechanism includes a frame 1, and the top of the frame 1 is assembled and connected with two lifting cylinders arranged at intervals; the cylinder barrel of the lifting cylinder is fixed on the frame 1, and its piston rod is connected to the frame 1 in a sliding connection manner.

[0042] The above-mentioned vacuum pumping mechanism also includes a vacuum cover 2 (the cross-sectional shape of the vacuum cover 2 is rectangular; it is a box-type, and its bottom is an open structure), and the vacuum cover 2 is connected to a vacuum pump (specifically, the top of the vacuum cover 2 is connected to a vacuum pumping pipe, which is connected to the vacuum pump through a hose, the same as the existing vacuum pumping method).

[0043] Correspondingly, a sealing base 4 corresponding to the vacuum cover 2 is fixedly assembled and connected to the bottom of the frame 1 .

[0044] Driven by the cylinder, when the vacuum cover 2 is lowered to be engaged with the sealing base 4, the sealing base 4 seals the bottom of the vacuum cover 2. During operation, the vacuum pump works, and a relative vacuum environment is formed in the cover cavity of the vacuum cover 2. At this time, the electrolyte is charged in the cover cavity of the vacuum cover 2.

[0045] Since the housing cavity of the vacuum housing 2 has a certain space size, it can provide a vacuum space environment for charging and loading multiple batteries at the same time.

[0046] In the actual working process, in order to improve the sealing performance, according to the existing conventional sealing method, a sealing gasket (not shown in the figure) adapted to the vacuum cover 2 is installed at the bottom of the sealing base 4. When the vacuum cover 2 is lowered to engage the sealing base 4, the sealing performance is increased through the sealing gasket.

[0047] Example 2

[0048] like Figure 1-5 As shown, based on the structure of Example 1, the battery electrolyte injection device of this embodiment further includes an electrolyte filling mechanism fixedly assembled at the top position of the sealing base 4.

[0049] Specifically, the electrolyte charging mechanism includes a loading component of a loading battery, and the top of the loading component is fixedly assembled and connected with a charging component.

[0050] Specifically, the charging assembly includes an adjustment plate 5, on which a plurality of charging tubes 51 are assembled and connected (the specific connection method of the charging tubes 51 is: a plurality of threaded through holes are opened on the adjustment plate 5, and the charging tubes 51 are threadedly connected to the threaded through holes. This method can realize the up and down adjustment of the charging tubes 51, which is convenient for changing the distance between the charging tubes 51 and the batteries on the loading assembly, and convenient for connecting the charging tubes 51 to the batteries).

[0051] The material loading assembly includes a lower support plate 62, and the material loading assembly also includes an upper limit plate 61; the upper limit plate 61 is provided with a plurality of limit through holes 611. At the same time, the lower support plate 62 and the upper limit plate 61 are fixedly connected by a plurality of connecting members. The connecting member includes a connecting screw 621, and the lower support plate 62 and the upper limit plate 61 are respectively fixedly connected with a threaded pipe seat threadedly connected to the connecting screw 621.

[0052] During the loading process, the batteries are placed one by one along the limiting through holes 611 . At this time, the bottom of the battery is supported on the lower support plate 62 , and the upper end is limited on the upper limit plate 61 .

[0053] Meanwhile, the adjustment plate 5 is fixedly connected to the upper limit plate 61 by a plurality of adjustment connectors. Specifically, the adjustment connectors include a long adjustment screw 8 fixedly connected to the top of the upper limit plate 61; the long adjustment screw 8 is slidably connected to the adjustment plate 5; the upper end of the long adjustment screw 8 is threadedly connected to a pair of adjustment nuts 81 positioned at the top and bottom of the adjustment plate 5.

[0054] During operation, first loosen the adjusting nut 81 and slide the adjusting plate 5 down until the adjusting plate 5-charging tube 51 is lowered to near the battery for preliminary position adjustment, then adjust the charging tube 51 in a threaded manner in the above manner until the charging tube 51 is inserted into the battery, and then inject the electrolyte into the charging tube 51.

[0055] The vacuum cover 2 is lowered in the above manner until the cover is on the sealing base 4 to perform vacuuming. In a vacuum environment, the air in the vacuum cover 2 is evacuated, thereby effectively solving the defect of air entering the battery during the electrolyte injection process. The above method is easy to operate and can be easily adjusted according to the battery. In the actual production process, it can cope with the electrolyte injection of batteries of various specifications.

[0056] Example 3

[0057] like Figure 1-5 As shown, based on the structure of Example 2, when the battery is limited in the limiting through hole 611, in order to improve the stability of the battery, prevent the battery from shaking, and keep the battery in a vertical position when pressed, a plurality of elastic pressure plates 7 are fixedly connected to the hole wall of the limiting through hole 611; the elastic pressure plates 7 are in an inverted U-shaped structure and are made of elastic material such as elastic plastic.

[0058] When the battery is limited in the limiting through hole 611, the battery is kept in a vertical position by the elastic pressing plate 7. The battery is in a vertical position, which facilitates the injection of electrolyte.

[0059] Furthermore, the elastic deformation of the elastic pressing plate 7 can adapt to batteries of different thicknesses for punching and loading, thereby meeting the production needs of the workshop.

[0060] Example 4

[0061] like Figure 1-5 As shown, based on the structure of Example 2, the top of the vacuum hood 2 is fixedly connected with a vertical guide rod 9, and the vertical guide rod 9 is slidably connected to the frame 1, thereby improving the accuracy of the lifting and lowering of the vacuum hood 2.

[0062] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A battery electrolyte injection device, characterized in that: It includes a vacuum pumping mechanism, which includes a frame, and a plurality of lifting cylinders are assembled and connected on the top of the frame; The vacuum pumping mechanism further comprises a vacuum cover, and the vacuum cover is connected to a vacuum pump; The piston rod of the lifting cylinder is fixedly assembled on the top of the vacuum cover; The bottom of the frame is fixedly assembled and connected with a sealing base corresponding to the vacuum cover; The battery electrolyte injection device also includes an electrolyte filling mechanism fixedly assembled at the top of the sealing base; The electrolyte charging mechanism comprises a loading component of a loading battery, the top of the loading component is fixedly assembled and connected with a charging component, the charging component comprises an adjustment plate, and a plurality of charging tubes are assembled and connected on the adjustment plate.

2. The battery electrolyte injection device according to claim 1, characterized in that: The cross-sectional shape of the vacuum cover is rectangular; The top of the vacuum cover is connected with a vacuum pipe, and the vacuum pipe is connected to a vacuum pump through a hose.

3. The battery electrolyte injection device according to claim 1, characterized in that: The adjusting plate is provided with a plurality of threaded through holes, and the punching tubes are threadedly connected to the threaded through holes.

4. The battery electrolyte injection device according to claim 1, characterized in that: The material loading assembly includes a lower support plate, and the material loading assembly also includes an upper limit plate; a plurality of limit through holes are formed on the upper limit plate.

5. The battery electrolyte injection device according to claim 4, characterized in that: A plurality of elastic pressure plates are fixedly connected to the hole wall of the position-limiting through hole; The battery is limited in the limiting through hole and is resisted by the elastic pressure plate to maintain the vertical posture of the battery.

6. The battery electrolyte injection device according to claim 4, characterized in that: The lower support plate and the upper limit plate are fixedly connected via a plurality of connecting pieces.

7. The battery electrolyte injection device according to claim 6, characterized in that: The connecting piece comprises a connecting screw rod, and the lower supporting plate and the upper limit plate are respectively fixedly connected with threaded pipe seats which are threadedly connected with the connecting screw rod.

8. The battery electrolyte injection device according to claim 4, characterized in that: The adjusting plate and the upper limit plate are fixedly connected via a plurality of adjusting connecting pieces.

9. The battery electrolyte injection device according to claim 8, characterized in that: The adjusting connecting piece comprises a long adjusting screw fixedly connected to the top position of the upper limit plate; The long adjusting screw is slidably connected to the adjusting plate; The upper end of the long adjusting screw is threadedly connected with a pair of adjusting nuts positioned at the top and bottom of the adjusting plate.

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