Battery liquid injection port cleaning device

Abstract

The utility model discloses a battery liquid injection port cleaning device in the technical field of lithium ion batteries. The battery liquid injection port cleaning device comprises a vertical moving assembly; the horizontal moving assembly and the dust removal cover are connected to the moving end of the vertical moving assembly; the cleaning nozzle is connected to the moving end of the horizontal moving assembly and is used for spraying a cleaning agent to the battery liquid injection port; the battery positioning jig is used for fixing a battery; and the dust hood is externally connected with a dust remover for removing dust on the surface of the battery. Accurate three-dimensional positioning of the cleaning nozzle can be achieved, it is guaranteed that a cleaning agent is sprayed to a liquid injection opening at the optimal angle and pressure, and cleaning thoroughness is remarkably improved; meanwhile, the dust removal cover is externally connected with an active adsorption function of a dust remover, splashing pollutants and volatile cleaning agents can be captured in real time in the cleaning process, and secondary pollution to the surfaces of the batteries or the workshop environment is effectively avoided; the fixing effect of the battery positioning jig is automatically matched with the moving assembly, the manual intervention requirement is reduced, the cleaning efficiency is improved, and the product damage risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery liquid injection port cleaning device belongs to lithium ion battery technical field. BACKGROUND

[0002] At present, in the lithium ion battery automatic production line, the battery cell after liquid injection formation, often will produce a large number of crystallization around the liquid injection port influence subsequent sealing aluminum nail welding. These crystallization with laser cleaning is difficult to remove completely, and welding will cause the explosion point if there is crystallization residue, reduce the welding qualified rate. The battery cell has approached the finished product, and the scrap will cause great waste. At present, the production line is mostly that the staff manually wipes the liquid injection port, and the low efficiency causes the waste of manpower, cannot guarantee the cleaning effect and the residue after cleaning cannot be effectively collected to pollute the workshop. The production line urgently needs a kind of cleaning device for efficiently cleaning liquid injection port. SUMMARY

[0003] The utility model aims at overcoming the insufficient in the prior art, provide a kind of battery liquid injection port cleaning device, to solve the problem of existing device not clean, pollute workshop.

[0004] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme:

[0005] The utility model provides a kind of battery liquid injection port cleaning device, comprising:

[0006] Vertical movement component;

[0007] Horizontal movement component and dust removal cover connected to the moving end of vertical movement component;

[0008] Cleaning nozzle connected to the moving end of horizontal movement component, for spraying cleaning agent to battery liquid injection port;

[0009] Battery positioning fixture for fixing battery;

[0010] The dust removal cover is connected to dust removal machine, for dust removal on the surface of battery.

[0011] The cleaning device provided by the above scheme moves cleaning component through the cooperative control of vertical movement component and horizontal movement component, realizes the accurate three-dimensional positioning of cleaning nozzle, cooperates with the dust removal cover of external dust removal machine, can actively adsorb splashed pollutants while cleaning liquid injection port, significantly improves cleaning efficiency and reduces secondary pollution risk, and is suitable for automatic production line integration.

[0012] Further, the vertical movement component includes vertical movement module and dust removal cover mounting plate connected to the moving end of vertical movement module;The dust removal cover mounting plate bottom is equipped with dust removal cover, and the side of dust removal cover is equipped with a plurality of dust removal ports connected to dust removal machine.

[0013] In the above scheme, the vertical moving module and the dust cover mounting plate are designed to ensure that the dust cover moves up and down with the dust cover, and the laterally equidistantly distributed dust removal ports can expand the dust removal coverage range and effectively avoid the corrosion of the cleaning agent residue on the battery surface.

[0014] Further, the bottom of the dust cover is provided with a guide block for guiding the upper end face of the battery.

[0015] In the above scheme, the guide block guides the upper end face of the battery to automatically correct the position when the battery enters the dust cover, which can precisely position the battery liquid injection port, reduce the risk of nozzle misalignment caused by positioning deviation, and avoid hard contact between the upper end face of the battery and the dust cover to cause scratches, thereby improving the stability of the equipment operation.

[0016] Further, the lower end face of the dust cover is provided with a notch corresponding to the position of the positive and negative electrode posts of the battery.

[0017] In the above scheme, the notch on the lower end face of the dust cover can avoid the positive and negative electrode posts when the dust cover and the upper end face of the battery are in contact, prevent mechanical damage to the electrode when the dust cover is pressed down, and ensure that the dust removal airflow can bypass the electrode area and concentrate on the liquid injection port periphery, thereby improving the cleaning specificity.

[0018] Further, the dust cover mounting plate is provided with a long hole for facilitating the movement of the cleaning nozzle, and an organ cover is installed on the long hole; the dust cover is provided with a through hole corresponding to the position of the battery liquid injection port for facilitating the cleaning of the battery liquid injection port by the cleaning nozzle.

[0019] In the above scheme, the organ cover is provided to prevent the leakage of cleaning agent (carbon dioxide gas) and electrolyte crystalline particles, and the combination of the long hole and the organ cover takes into account the flexibility of the nozzle movement and the dustproof sealing performance, and the through hole allows the cleaning nozzle to directly penetrate the dust cover for operation, reduces the diffusion loss of the cleaning agent, and improves the jetting accuracy and energy efficiency ratio.

[0020] Further, the horizontal moving assembly includes a horizontal moving module and a nozzle mounting plate connected to the moving end of the horizontal moving module, and the nozzle mounting plate is provided with an adjustable base, the floating end of the adjustable base is connected to a chuck, and the cleaning nozzle is fixed to the chuck.

[0021] In the above scheme, the adjustable base and the floating chuck are designed to give the nozzle multi-dimensional adjustment capability, which can adapt to liquid injection ports of different sizes / angles, and the floating end can buffer the impact of mechanical vibration on the nozzle, thereby prolonging the service life of the key components.

[0022] Further, the adjustable base is provided with an adjusting bolt for adjusting the position of the cleaning nozzle.

[0023] In the above scheme, the adjusting bolt realizes fine adjustment of the nozzle position, ensures accurate alignment of the jet trajectory and the axis of the liquid injection port, avoids the cleaning blind area caused by assembly tolerance, simplifies the equipment debugging process, and reduces the maintenance cost.

[0024] Further, the cleaning nozzle is a power-heatable nozzle, and the cleaning nozzle is connected with a dry ice ice maker.

[0025] In the above scheme, the dry ice ice maker breaks the dry ice into small particles, and the small dry ice particles are transported into the cleaning nozzle by high-pressure gas and are sprayed at high speed around the liquid injection port; the cleaning nozzle is heated, and the small dry ice particles sprayed are instantly vaporized to generate a large amount of carbon dioxide gas to bombard the electrolyte crystals, so that the crystals and other dirt particles are broken, and the surface cleaning effect is achieved. The heating nozzle cooperates with the dry ice cleaning agent to realize low-temperature and residue-free cleaning, and the sublimation characteristics of the dry ice avoid the pollution risk of traditional solvents to the electrolyte in the battery, and are particularly suitable for solid-state battery production lines with extremely high cleanliness requirements.

[0026] Further, the battery positioning jig is provided with a plurality of battery grooves.

[0027] In the above scheme, the multi-battery groove jig supports batch synchronous positioning, cooperates with the moving assembly to realize continuous flow line operation, significantly improves the unit time capacity, and the modular groove body design facilitates quick replacement to adapt to different specifications of battery production requirements.

[0028] Compared with the prior art, the utility model has the beneficial effects that:

[0029] The cleaning device provided by the utility model integrates the vertical moving assembly, the horizontal moving assembly, the dust cover and the battery positioning jig, and constructs a high-efficiency cooperative cleaning system. The compound motion design of the vertical and horizontal moving assemblies can realize accurate three-dimensional positioning of the cleaning nozzle, ensure that the cleaning agent is sprayed to the liquid injection port at the best angle and pressure, and significantly improve the cleaning thoroughness. Meanwhile, the dust cover is connected with the active adsorption function of the dust collector, can capture the splashed pollutants and volatile cleaning agent in real time during the cleaning process, effectively avoids the secondary pollution of the battery surface or the workshop environment, and further has the advantages that the fixing effect of the battery positioning jig and the automation cooperation of the moving assembly reduce the need for manual intervention, not only improve the cleaning efficiency (especially suitable for large-batch production scenes), but also reduce the product damage risk caused by operation errors, and the overall scheme has high precision, environmental protection and production line adaptability, and meets the strict requirements of the battery manufacturing industry on the cleaning process. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a three-dimensional structure schematic diagram of a battery liquid injection port cleaning device provided by an embodiment of the utility model;

[0031] Figure 2is the vertical moving assembly structure diagram of the battery liquid injection port cleaning device described in the embodiment;

[0032] Figure 3 is the upper structure diagram of the dust cover of the battery liquid injection port cleaning device described in the embodiment;

[0033] Figure 4 is the bottom structure diagram of the dust cover of the battery liquid injection port cleaning device described in the embodiment;

[0034] Figure 5 is the horizontal moving assembly structure diagram of the battery liquid injection port cleaning device described in the embodiment;

[0035] Figure 6 is the battery positioning jig structure diagram of the battery liquid injection port cleaning device described in the embodiment.

[0036] In the figure: 1, vertical moving assembly; 101, vertical moving module; 102, dust cover mounting plate; 103, dust removal port; 104, organ cover; 105, dust cover; 106, guide block; 2, horizontal moving assembly; 201, horizontal moving module; 202, nozzle mounting plate; 203, adjustable base; 204, chuck; 205 cleaning nozzle; 3, battery positioning jig; 4, battery. DETAILED DESCRIPTION

[0037] The utility model will be described further in connection with the drawings. The following embodiments are only used to explain the technical scheme of the utility model more clearly, and cannot limit the protection scope of the utility model.

[0038] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0039] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "connection" should be understood in broad sense, for example, it can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood through specific circumstances.

[0040] Embodiment 1:

[0041] The embodiment provides a battery liquid injection port cleaning device, as shown in Figure 1 Including: vertical moving assembly 1, horizontal moving assembly 2 and battery positioning fixture 3.

[0042] In the embodiment, the moving end of the horizontal moving assembly 2 is connected to the vertical moving assembly 1, the moving end of the horizontal moving assembly 1 is connected with a cleaning nozzle 205, for spraying cleaning agent (carbon dioxide gas) to the battery liquid injection port, and the moving end of the vertical moving assembly 1 is also connected with a dust cover 105, the dust cover 105 is connected with a dust removal machine, for dust removal on the surface of the battery 4.

[0043] As shown in Figure 6 In the embodiment, a plurality of battery grooves are formed in the battery positioning fixture 3, for placing and fixing the battery 4.

[0044] In the embodiment, as shown in Figure 3 The dust cover 105 is provided with a through hole corresponding to the position of the battery liquid injection port, so that the cleaning nozzle 205 can clean the battery liquid injection port. The cleaning nozzle 205 is connected with a dry ice ice maker, the dry ice ice maker breaks the placed dry ice into small particles, and the small dry ice particles are transported into the cleaning nozzle 205 by high-pressure gas and are sprayed at high speed around the battery liquid injection port. The cleaning nozzle 205 can be heated, after the cleaning nozzle 205 is heated, the small dry ice particles are instantly vaporized to produce a large amount of carbon dioxide gas by using the easy sublimation characteristics of dry ice, and the carbon dioxide gas hits the electrolyte crystals, so that the crystals and other impurity particles are broken, and the surface is cleaned.

[0045] Embodiment 2:

[0046] The embodiment provides a battery liquid injection port cleaning device, which is further refined on the basis of the structure of embodiment 1 to obtain a more optimal technical effect, and the contents not described in detail in the embodiment are described in detail in embodiment 1.

[0047] As shown in Figure 2As shown, in this embodiment, the vertical moving component 1 includes a vertical moving module 101 and a dust collector mounting plate 102 connected to the moving end of the vertical moving module 101. A dust collector 105 is mounted on the bottom of the dust collector mounting plate 102, and four dust collection ports 103 are evenly spaced on the side of the dust collector 105 for connecting to a dust collector. The dust collector mounting plate 102 has elongated holes to facilitate the movement of the cleaning nozzles 205, and a bellows cover 104 is installed on the elongated holes to prevent leakage of carbon dioxide gas and electrolyte crystal particles.

[0048] like Figure 4 As shown, in this embodiment, the bottom of the dust cover 105 is provided with a guide block 106 for guiding the upper surface of the battery 4. The lower surface of the dust cover 105 has a slot corresponding to the position of the positive and negative terminals of the battery 4 to prevent the positive and negative terminals of the battery 4 from being exposed when in contact with the upper surface of the battery 4.

[0049] like Figure 5 As shown, in this embodiment, the horizontal moving component 2 includes a horizontal moving module 201 and a nozzle mounting plate 202 connected to the moving end of the horizontal moving module 201. An adjustable base 203 is mounted on the nozzle mounting plate 202, and a chuck 204 is connected to the floating end of the adjustable base 203. The cleaning nozzle 205 is fixed on the chuck 204. The position of the cleaning nozzle 205 can be adjusted by adjusting the adjusting bolts on the adjustable base 203.

[0050] The working process of the battery filler port cleaning device described in this embodiment is as follows:

[0051] Battery 4 is placed inside battery positioning fixture 3. The moving end of vertical module 101 descends, placing dust cover 105 on the electrolyte inlet of battery 4. Cleaning nozzle 105 is connected to an ice maker, which breaks the placed dry ice into small particles. High-pressure gas is used to transport the tiny dry ice particles to cleaning nozzle 205, which is then sprayed at high speed around the electrolyte inlet. Cleaning nozzle 205 is heated, and taking advantage of the heat absorption and easy sublimation characteristics of dry ice, the sprayed tiny dry ice particles instantly vaporize, generating a large amount of carbon dioxide gas that bombards the electrolyte crystals, breaking up the crystals and other dirt particles, thus achieving surface cleaning. At the same time, a dust collector connected to dust outlet 103 removes the generated carbon dioxide and electrolyte crystals. After one battery 4 is cleaned, the moving end of horizontal module 201, carrying nozzle 205, moves to the next battery 4's electrolyte inlet for cleaning. After all batteries are cleaned, horizontal module 101 rises, lifting dust cover 105, completing the cleaning of the battery 4's electrolyte inlet.

[0052] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A battery electrolyte injection port cleaning device, characterized by comprising: It comprises: a vertical moving assembly; a horizontal moving assembly and a dust removal cover connected to the moving end of the vertical moving assembly; a cleaning nozzle connected to the moving end of the horizontal moving assembly for spraying cleaning agent on the battery liquid injection port; a battery positioning jig for fixing the battery; a dust removal machine outside the dust removal cover for removing dust from the surface of the battery.

2. The battery filling port cleaning device according to claim 1, wherein The vertical moving assembly comprises a vertical moving module and a dust removal cover mounting plate connected to the moving end of the vertical moving module; the bottom of the dust removal cover mounting plate is provided with the dust removal cover, and the side edges of the dust removal cover are provided with a plurality of dust removal ports connected to the dust removal machine.

3. The battery filling port cleaning device according to claim 2, wherein The bottom of the dust removal cover is provided with a guide block for guiding the upper end surface of the battery.

4. The battery filling port cleaning device according to claim 2, wherein The lower end surface of the dust removal cover is provided with a notch corresponding to the position of the positive and negative electrode posts of the battery.

5. The battery filling port cleaning device according to claim 2, wherein A long hole is formed in the dust removal cover mounting plate for facilitating the movement of the cleaning nozzle, and an organ cover is mounted on the long hole; a through hole is formed in the dust removal cover corresponding to the position of the battery liquid injection port for facilitating the cleaning of the battery liquid injection port by the cleaning nozzle.

6. The battery port cleaning device of claim 1, wherein, The horizontal moving assembly comprises a horizontal moving module and a nozzle mounting plate connected to the moving end of the horizontal moving module, the nozzle mounting plate is provided with an adjustable base, the floating end of the adjustable base is connected to a chuck, and the cleaning nozzle is fixed to the chuck.

7. The battery filling port cleaning device according to claim 6, wherein The adjustable base is provided with an adjusting bolt for adjusting the position of the cleaning nozzle.

8. The battery filling port cleaning device according to claim 1, wherein The cleaning nozzle is a heating type nozzle, and the cleaning nozzle is connected to a dry ice maker.

9. The battery filling port cleaning device according to claim 1, wherein The battery positioning jig is provided with a plurality of battery grooves.

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