Vacuum baking device for battery pole roll

By employing a dual-chamber independent baking design and a multi-directional heating and cooling vacuum baking device, the problems of high labor intensity and unstable quality in traditional lithium-ion battery electrode baking devices have been solved, achieving mass production and energy saving.

CN223726738UActive Publication Date: 2025-12-26SHANGHAI TAIMU ULTRASOUND EQUIP CO LTD
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Patent Information

Application Number
CN202423297179.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-26
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional lithium-ion battery electrode baking equipment is labor-intensive, produces unstable product quality, is difficult to mass-produce, and consumes a lot of energy.

Method used

It adopts a dual-chamber independent baking design, combined with vacuum pumping, nitrogen replacement, multi-directional heating and cooling mechanisms to ensure airtightness, achieve mass production and energy saving.

Benefits of technology

This has enabled efficient mass production of battery electrode rolls, resulting in stable product quality, reduced energy consumption, and improved baking efficiency and product consistency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223726738U_ABST
    Figure CN223726738U_ABST
Patent Text Reader

Abstract

The utility model provides a vacuum baking device for a battery pole roll, which comprises a rack, two drying chambers, a vacuum pipeline, a plurality of vacuum tubes, a plurality of vacuum tubes and a plurality of vacuum tubes, wherein the vacuum pipelines are positioned above the rack and are arranged at the tops of the drying chambers for vacuumizing the drying chambers; the nitrogen pipeline is located on the side wall of the drying chamber so as to be suitable for introducing nitrogen into the drying chamber; the sealing door assemblies are installed on the drying chambers respectively and used for keeping the sealing performance of the drying chambers; the cooling mechanism is arranged below the drying chamber and is suitable for cooling the temperature in the drying chamber; and the heating mechanism comprises a plurality of groups of heating pipes, and the heating pipes are respectively arranged below and on two sides of the drying chamber. The oven has the advantages that two cavities are adopted for independent baking, compared with common single-layer baking, batch production can be achieved, energy is saved, consumption is reduced, meanwhile, a multi-directional heating mode is adopted, and the quality of baked products is stable.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field, concretely is a kind of vacuum baking device for battery pole roll. BACKGROUND

[0002] With the continuous development of electric vehicles, the energy density and safety of lithium-ion batteries are increasingly demanding. In combination with the current energy process system, the higher the energy density of the battery, the lower the water content of the electrode roll; the better the safety of the battery, the better the rebound consistency of the electrode roll. Therefore, the requirements for the baking device of lithium-ion batteries are also increasing. However, the traditional manual operation has the disadvantages of high labor intensity and unstable product quality.

[0003] Therefore, the utility model provides a kind of vacuum baking device for battery pole roll, two cavity independent baking are adopted, compared with the usual single-layer baking, batch production can be realized, and energy saving and consumption reduction are realized. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of vacuum baking device for battery pole roll.

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

[0006] A kind of vacuum baking device for battery pole roll, comprising:

[0007] frame,

[0008] Two drying chambers are located above the frame, and a vacuum pipeline is provided at the top of the drying chamber to evacuate the drying chamber.

[0009] Nitrogen pipeline is located on the side wall of the drying chamber to facilitate the introduction of nitrogen into the drying chamber.

[0010] Sealing door assembly is installed on the drying chamber respectively to maintain the sealing of the drying chamber.

[0011] Cooling mechanism is arranged below the drying chamber and is suitable for cooling the temperature in the drying chamber.

[0012] Heating mechanism includes several groups of heating pipes, and the heating pipes are arranged below and on both sides of the drying chamber.

[0013] As a preferred technical solution, a partition frame is provided in the drying chamber.

[0014] As a preferred technical solution, the partition frame is 1-5 layers.

[0015] As a preferred technical scheme, the side wall of the drying chamber is provided with a plurality of through holes, and the through holes are respectively connected with the heating mechanism and the cooling mechanism, so that heat and cooling can enter the drying chamber.

[0016] As a preferred technical scheme, the sealing door assembly comprises a sealing groove, and a sealing strip is arranged outside the drying chamber, and when the sealing door assembly is closed, the sealing strip enters the sealing groove, so that the drying chamber can be kept in a sealed state.

[0017] As a preferred technical scheme, the sealing strip is made of high-temperature-resistant rubber material, which can ensure good sealing performance in a high-temperature environment and prevent external air from entering the drying chamber and affecting the roasting effect.

[0018] Beneficial effects: two cavities are independently roasted, compared with the usual single-layer roasting, batch production can be realized, and energy consumption is reduced, and a multi-directional heating mode is adopted, so that the product quality is stable. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Fig. 1 The utility model relates to: a kind of vacuum roasting device for battery pole roll three-dimensional structure schematic view.

[0021] Fig. 2 The utility model relates to: a kind of vacuum roasting device for battery pole roll structure schematic view.

[0022] Among them:

[0023] 10-frame

[0024] 20-drying chamber

[0025] 30-nitrogen pipeline

[0026] 40-sealing door assembly

[0027] 50-cooling mechanism

[0028] 60-heating mechanism

[0029] 70-vacuum pipeline

[0030] 80-sealing groove

[0031] 90-sealing strip

[0032] 61-heating pipe

[0033] 21- partition frame

[0034] 22- through hole. DETAILED DESCRIPTION

[0035] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0036] Embodiment 1

[0037] Reference Figs. 1-2 As shown in the figure, a vacuum baking device for battery pole roll comprises a rack 10, a drying chamber 20, a nitrogen pipeline 30, a sealing door assembly 40, a cooling mechanism 50 and a heating mechanism 60.

[0038] The drying chamber 20 is two, located above the rack 10, and a vacuum pipeline 70 is arranged on the top of the drying chamber 20 to extract vacuum in the drying chamber 20. The sealing door assembly 40 is respectively arranged on the drying chamber 20 to maintain the sealing property of the drying chamber 20.

[0039] The sealing door assembly 40 of the utility model comprises a sealing groove 80, and a sealing strip 90 is arranged on the outside of the drying chamber 20. When the sealing door assembly 40 is closed, the sealing strip 90 enters the sealing groove 80 to ensure that the drying chamber 20 maintains a closed state. The sealing strip 90 is made of high-temperature-resistant rubber material, which can ensure that the sealing performance is good in a high-temperature environment, prevents external air from entering the drying chamber 20 and affects the baking effect. Generally, silicon rubber or fluorine rubber material can be selected.

[0040] The nitrogen pipeline 30 of the utility model is arranged on the side wall of the drying chamber 20 to be suitable for introducing nitrogen into the drying chamber 20, so that the air in the drying chamber 20 is replaced to avoid oxidation of the pole roll under high temperature.

[0041] The cooling mechanism 50 of the utility model is arranged below the drying chamber 20 and is suitable for cooling the temperature in the drying chamber 20. Generally, the cooling mechanism 50 is a fan.

[0042] The heating mechanism 60 of the utility model comprises a plurality of groups of heating pipes 61, and the heating pipes 61 are respectively arranged below and on both sides of the drying chamber 20. Generally, a plurality of through holes 22 are arranged on the side wall of the drying chamber 20, and the through holes 22 are respectively connected with the heating mechanism 60 and the cooling mechanism 50 to facilitate the entry of heat and cooling into the drying chamber 20.

[0043] The utility model is provided with a partition frame 21 in the drying chamber 20, and the partition frame 21 is 1-5 layers.

[0044] The specific use steps are as follows,

[0045] First, open the sealing door assembly 40, place the battery pole roll to be dried on the tray and place into the drying chamber 20, close the sealing door assembly 40, since the sealing strip 90 enters the sealing groove 80, the drying chamber 20 is kept in a closed state. The sealing strip 90 is made of high-temperature-resistant rubber material, which can ensure good sealing performance in a high-temperature environment, preventing external air from entering the drying chamber 20 and affecting the baking effect.

[0046] Then, nitrogen is filled into the drying chamber 20, and vacuum is extracted, the drying chamber 20 is in a vacuum state through the vacuum pipeline 70, and the heating mechanism 60 is started, since the heating pipes 61 in the utility model are respectively arranged below and on both sides of the drying chamber 20, the drying chamber 20 can be quickly added, and the performance of the battery pole roll is not affected.

[0047] After the drying is completed, the cooling mechanism 50 is started, and the drying chamber 20 is cooled.

[0048] Finally, the vacuum pipeline 70 is closed, and the sealing door assembly 40 is opened, so that the dried battery pole roll can be taken out.

[0049] The utility model adopts two cavity independent baking, compared with the usual single layer baking, can realize batch production, and energy saving and consumption reduction are realized, and the baking product quality is stable.

[0050] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

[0051] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does 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.

[0052] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0053] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A vacuum baking apparatus for battery pole rolls, characterized by, It comprises: a frame, two drying chambers located above the frame, vacuum pipes are arranged on the top of the drying chambers to vacuumize the drying chambers; nitrogen pipelines are arranged on the side walls of the drying chambers to introduce nitrogen into the drying chambers; sealing door assemblies are respectively arranged on the drying chambers to keep the sealing of the drying chambers; cooling mechanisms are arranged below the drying chambers to cool the temperature in the drying chambers; heating mechanisms comprise several groups of heating pipes arranged below and on both sides of the drying chambers.

2. A vacuum baking apparatus for battery pole coils according to claim 1, characterized in that, The drying chambers are provided with partition racks.

3. A vacuum bake-out apparatus for battery pole winding as claimed in claim 2 wherein, The partition racks are 1-5 layers.

4. The vacuum bake-out apparatus for battery pole winding of claim 1, wherein, The side walls of the drying chambers are provided with several through holes which are respectively connected with the heating mechanisms and the cooling mechanisms to introduce heat and cooling into the drying chambers.

5. The vacuum bake-out apparatus for battery pole winding of claim 1, wherein, The sealing door assemblies comprise sealing grooves, sealing strips are arranged outside the drying chambers, when the sealing door assemblies are closed, the sealing strips enter the sealing grooves to keep the sealing of the drying chambers.

6. A vacuum bake-out apparatus for battery pole coils as defined in claim 5, wherein The sealing strips are made of high-temperature resistant rubber materials.