Lithium battery slurry bubble removing device

Abstract

The utility model provides a lithium battery slurry bubble removing device, which belongs to the technical field of battery production and comprises a sealing box, a sealing cover, a spring column fixedly mounted at the bottom of the sealing box and a breathable filter plate arranged in an inner cavity of the sealing box. The driving mechanism comprises a vibration motor adaptively installed at the bottom of the sealing box, a connecting rod fixedly installed at the output end of the vibration motor through a coupler, a balancing weight fixedly arranged on the outer surface of the connecting rod in a sleeving mode, an auxiliary assembly used in cooperation with the vibration motor during operation, and a locking assembly limiting the sealing cover. According to the utility model, all the components of the driving mechanism are matched with one another, so that bubbles can be effectively eliminated by virtue of vibration, air in the sealing box can be pumped out by virtue of all the components of the auxiliary component, the bubble removal efficiency is improved, and meanwhile, the quality and the efficiency of subsequent procedures cannot be influenced by the bubble problem in the slurry stirring process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery production technical field, concretely relates to a lithium battery slurry bubble removal device. BACKGROUND

[0002] In the manufacturing process of lithium batteries, the preparation of battery slurry is a crucial step. The slurry is mainly composed of active materials, conductive agents, binders, and solvents. These materials are carefully proportioned and thoroughly mixed and stirred to form a uniform slurry system. This uniform slurry is precisely coated on the foil surface of the electrode sheet and undergoes rolling and cutting processes to ensure compliance with strict specification standards.

[0003] During the stirring and preparation of lithium battery slurry, high viscosity can lead to the generation of a large number of bubbles. These bubbles not only affect the uniformity of the slurry, but also cause unevenness on the surface of the electrode sheet during coating, such as burst points, depressions, or missing foils. This not only reduces the quality and efficiency of the electrode sheet, but also can weaken the performance of the battery and pose safety risks. SUMMARY

[0004] The purpose of the utility model is to provide a lithium battery slurry bubble removal device to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A lithium battery slurry bubble removal device, comprising

[0007] A sealed box, including a sealing cover, a spring column fixedly installed at the bottom of the sealed box, and a gas-permeable filter plate arranged in the inner cavity of the sealed box;

[0008] A drive mechanism, including a vibration motor adaptedly installed at the bottom of the sealed box, a connecting rod fixedly installed at the output end of the vibration motor through a shaft coupling, a counterweight fixedly sleeved on the outer surface of the connecting rod, an auxiliary assembly used in cooperation when the vibration motor is operating, and a locking assembly limiting the sealing cover.

[0009] As a preferred scheme of the utility model, the auxiliary assembly includes a first pulley fixedly installed at the end surface of the connecting rod, a belt sleeved on the outer surface of the first pulley, and a second pulley sleeved on the inner surface of the other end of the belt.

[0010] As a preferred scheme of the utility model, the auxiliary assembly further includes an air extraction pipe fixedly installed on the outer surface of the sealed box, a helical blade rotatably connected to the inner surface of the air extraction pipe, and a one-way valve fixedly installed on the outer surface of the sealed box.

[0011] As a preferred scheme of the utility model, the second pulley inner surface is in a hollow state, the second pulley outer surface is rotationally connected with the end surface of the air exhaust pipe and a bearing sleeve used in cooperation with rotation is installed at the connection.

[0012] As a preferred scheme of the utility model, the end surface of the spiral blade is fixedly connected with the inner surface of the second pulley, the one-way valve is arranged in the air exhaust pipe inner cavity, the air inlet of the one-way valve is in communication with the sealing box inner wall, and the air outlet of the one-way valve is in communication with the second pulley inner surface.

[0013] As a preferred scheme of the utility model, the locking assembly comprises a first fixed block fixedly installed on the sealing cover outer surface, a second fixed block fixedly installed on the sealing box outer surface and a bolt sleeved on the second fixed block inner surface.

[0014] As a preferred scheme of the utility model, the outer surface of the bolt is in sliding contact with the inner surface of the second fixed block, and the inner surface of the bolt is buckled with the outer surface of the first fixed block.

[0015] Compared with the prior art, the utility model has the beneficial effects that: through the mutual cooperation of the components of the driving mechanism, not only can the bubbles be effectively eliminated by vibration, but also the air in the sealing box can be extracted by the components of the auxiliary assembly, the bubble removal efficiency is improved, and the quality and efficiency of the subsequent process are ensured during the stirring process of the slurry. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0017] Figure 1 It is the overall structure schematic view of the utility model;

[0018] Figure 2 It is the structure schematic view of the sealing box bottom of the utility model;

[0019] Figure 3 It is the structure schematic view of the sealing box inside of the utility model;

[0020] Figure 4 It is the structure schematic view of the auxiliary assembly part of the utility model;

[0021] Figure 5 It is the structure schematic view of the locking assembly of the utility model.

[0022] In the figure: 100, sealed box; 101, sealing cover; 102, spring column; 103, air permeable filter plate; 200, driving mechanism; 201, vibration motor; 202, connecting rod; 203, counterweight; 204, auxiliary assembly; 204a, first pulley; 204b, belt; 204c, second pulley; 204d, suction pipe; 204e, spiral blade; 204f, one-way valve; 205, locking assembly; 205a, first fixed block; 205b, second fixed block; 205c, bolt. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0024] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0025] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment.

[0026] Embodiments

[0027] Reference Figures 1-5 For the embodiments of the present application, the embodiments provide a lithium battery slurry bubble removal device, comprising,

[0028] The sealed box 100 comprises a sealing cover 101, a spring column 102 fixedly installed at the bottom of the sealed box 100, and an air permeable filter plate 103 arranged in the inner cavity of the sealed box 100;

[0029] The driving mechanism 200 comprises a vibration motor 201 adaptedly installed at the bottom of the sealed box 100, a connecting rod 202 fixedly installed at the output end of the vibration motor 201 through a shaft coupling, a counterweight 203 fixedly sleeved on the outer surface of the connecting rod 202, an auxiliary assembly 204 used in cooperation when the vibration motor 201 is operated, and a locking assembly 205 limiting the sealing cover 101.

[0030] Among them, the spring column 102 not only can effectively absorb vibration, but also can help reduce the noise generated during operation.

[0031] Specifically, the auxiliary assembly 204 comprises a first pulley 204a fixedly installed at the end surface of the connecting rod 202, a belt 204b sleeved at the outer surface of the first pulley 204a, and a second pulley 204c sleeved at the inner surface of the other end of the belt 204b.

[0032] Further, the auxiliary assembly 204 further comprises an air extraction pipe 204d fixedly installed at the outer surface of the sealed box 100, a spiral blade 204e rotatably connected at the inner surface of the air extraction pipe 204d, and a one-way valve 204f fixedly installed at the outer surface of the sealed box 100.

[0033] Still further, the inner surface of the second pulley 204c is in a hollow state, the outer surface of the second pulley 204c is rotatably connected with the end surface of the air extraction pipe 204d, and a bearing sleeve for cooperation in rotation is installed at the connection.

[0034] Still further, the end surface of the spiral blade 204e is fixedly connected with the inner surface of the second pulley 204c, the one-way valve 204f is arranged in the inner cavity of the air extraction pipe 204d, the air inlet of the one-way valve 204f is in communication with the inner wall of the sealed box 100, and the air outlet of the one-way valve 204f is in communication with the inner surface of the second pulley 204c.

[0035] Among them, the force generated by the rotation of the spiral blade 204e drives the one-way valve 204f to open, and the air inside the sealed box 100 is extracted.

[0036] Preferably, the locking assembly 205 comprises a first fixed block 205a fixedly installed at the outer surface of the sealing cover 101, a second fixed block 205b fixedly installed at the outer surface of the sealed box 100, and a bolt 205c sleeved at the inner surface of the second fixed block 205b.

[0037] It should be noted that the outer surface of the bolt 205c is in sliding contact with the inner surface of the second fixed block 205b, and the inner surface of the bolt 205c is buckled with the outer surface of the first fixed block 205a.

[0038] Among them, through the locking assembly 205, it is ensured that the sealing cover 101 is accidentally opened when it is shaken, which affects the defoaming efficiency.

[0039] In use, open the sealing cover 101, place the slurry to be degassed in the sealed box 100, close the sealing cover 101, manually move the pin 205c to be buckled with the first fixed block 205a, start the vibration motor 201, the vibration motor 201 drives the connecting rod 202 to rotate, the connecting rod 202 drives the counterweight 203 to rotate, so that the sealed box 100 vibrates, and the spring column 102 is buffered by its own force, at the same time, the connecting rod 202 drives the first belt pulley 204a to rotate, the first belt pulley 204a drives the belt 204b to rotate, the belt 204b drives the second belt pulley 204c to rotate, the second belt pulley 204c drives the spiral blade 204e to rotate, the suction force generated by the spiral blade 204e opens the one-way valve 204f, and the air in the sealed box 100 is removed, when the degassing is completed, the vibration motor 201 is turned off, at the same time, the one-way valve 204f rebounds due to its own force, the pin 205c is manually moved to be unbuckled with the first fixed block 205a, the sealing cover 101 is opened, and the slurry is taken out.

[0040] In summary, through the cooperation of each component of the driving mechanism 200, not only can the bubbles be effectively eliminated by vibration, but also the air in the sealed box can be removed by the various components of the auxiliary assembly 204, thereby improving the bubble removal efficiency and ensuring that the slurry will not be affected by the bubble problem during the stirring process, thereby affecting the quality and efficiency of the subsequent process.

[0041] Importantly, it should be noted that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such variations are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the scope of the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functions and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the application. Accordingly, the present application is not limited to the particular embodiments described but extends to any embodiments that would fall within the scope of the present application as defined by the appended claims. Therefore, the application is not limited to particular embodiments described, but extends to any embodiments within the scope of the application as defined by the appended claims.

[0042] Furthermore, in order to provide a concise description of illustrative embodiments, not all features of an actual implementation can be described (i.e., those not relevant to the presently considered best mode of practicing the present application, or those not related to realizing the present application).

[0043] It is to be understood that the development of the particular implementations described herein was not determined merely by the availability of certain items or materials, but rather by a consideration of their contribution to the furtherance of the technology.

[0044] It should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application, not limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A lithium battery slurry bubble removal device, characterized by: The utility model relates to a sealed box, drive mechanism and auxiliary assembly thereof. The sealed box (100) comprises a sealed cover (101), a spring column (102) fixedly installed at the bottom of the sealed box (100), and a gas permeable filter plate (103) arranged in the inner cavity of the sealed box (100). The drive mechanism (200) comprises a vibration motor (201) adaptedly installed at the bottom of the sealed box (100), a connecting rod (202) fixedly installed at the output end of the vibration motor (201) through a shaft coupling, a counterweight (203) fixedly sleeved on the outer surface of the connecting rod (202), an auxiliary assembly (204) cooperatively used when the vibration motor (201) is in operation, and a locking assembly (205) limiting the sealed cover (101).

2. A lithium battery slurry bubble removal device according to claim 1, wherein: The auxiliary assembly (204) comprises a first pulley (204a) fixedly installed at the end surface of the connecting rod (202), a belt (204b) sleeved on the outer surface of the first pulley (204a), and a second pulley (204c) sleeved on the inner surface of the other end of the belt (204b).

3. A lithium battery slurry bubble removal device according to claim 2, wherein: The auxiliary assembly (204) further comprises an air extraction pipe (204d) fixedly installed on the outer surface of the sealed box (100), a helical blade (204e) rotationally connected to the inner surface of the air extraction pipe (204d), and a one-way valve (204f) fixedly installed on the outer surface of the sealed box (100).

4. A lithium battery slurry bubble removal device according to claim 3, wherein: The inner surface of the second pulley (204c) is in a hollow state, the outer surface of the second pulley (204c) is rotationally connected to the end surface of the air extraction pipe (204d), and a bearing sleeve cooperatively used in rotation is installed at the connection.

5. A lithium battery slurry bubble removal device as claimed in claim 4, wherein: The end surface of the helical blade (204e) is fixedly connected to the inner surface of the second pulley (204c), the one-way valve (204f) is arranged in the inner cavity of the air extraction pipe (204d), the air inlet of the one-way valve (204f) is in communication with the inner wall of the sealed box (100), and the air outlet of the one-way valve (204f) is in communication with the inner surface of the second pulley (204c).

6. A lithium battery slurry bubble removal device as claimed in claim 5, wherein: The locking assembly (205) comprises a first fixed block (205a) fixedly installed on the outer surface of the sealed cover (101), a second fixed block (205b) fixedly installed on the outer surface of the sealed box (100), and a bolt (205c) sleeved on the inner surface of the second fixed block (205b).

7. A lithium battery slurry bubble removal device as claimed in claim 6, wherein: The outer surface of the bolt (205c) is in sliding contact with the inner surface of the second fixed block (205b), and the inner surface of the bolt (205c) is buckled with the outer surface of the first fixed block (205a).

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