Battery cell drying device

Abstract

A battery cell drying device comprises a battery cell seat and a plurality of battery cells arranged on the battery cell seat, a pole column is arranged at the top of each battery cell, a drying assembly used for drying and heating the battery cells is arranged on the battery cell seat, and the drying assembly comprises a heating plate wrapping the surfaces of the battery cells, a heating piece and a heating block arranged on the pole column; an adjusting mechanism for supporting the heating block is arranged on the battery cell seat; compared with the prior art, the heating effect of the battery cell is guaranteed, the drying efficiency of the battery cell is improved, in addition, the position of the heating block is adjusted and fixed through the arranged adjusting mechanism, the heating block can be suitable for pole columns of the battery cells of different sizes, the position of the heating piece is adjusted and fixed through the adjusting piece, and therefore the heating efficiency of the battery cell is improved. The heating effect of the heating sheet on the battery cell is ensured, so that the heating effects of the battery cells with different sizes on the battery cell seat are the same, and the drying efficiency of the battery cells with different sizes is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery manufacturing, and particularly relates to a core drying device. Background Art

[0002] In the process of manufacturing battery materials, baking and drying, as the last process before core injection, is to remove the moisture that may enter during production, which is an important link to ensure the safety and reliability of the finished core. The drying principle of the core drying tester is to use a hot air circulation system to dry the coating on the surface of the core, volatilize the moisture or solvent on the surface of the core, so as to form a hard protective layer. During the drying process, the core is placed in an oven, and the temperature inside the oven is regulated by a control system until the coating is dried.

[0003] To solve the above problems, Chinese Patent No. 201810226681.1 discloses a core drying method. The disclosed drying method includes using a closed vertical drying box, and a plurality of groups of contact heating units composed of an upper pressing plate and a lower pressing plate are evenly distributed inside each drying chamber. A core contact heating station is formed between the two pressing plates of each group of contact heating units; heating wires are arranged between the upper and lower pressing plates of each contact heating unit, so as to form a corresponding heating unit for the battery core fed into each contact heating station. During the heating and pressing process, the core is subjected to pressure drying treatment in a sealed environment. Chinese Patent No. 202310076469.2 discloses a core baking device. The disclosed baking device includes: a box body, and an accommodation cavity is arranged inside the box body; a plurality of support parts are arranged in the accommodation cavity in sequence along the first direction, and at least one core is placed on the support parts; a plurality of heating components are arranged between two adjacent support parts, and the heating components are used for baking the cores on the two support parts adjacent to the heating components in the first direction.

[0004] In the above-disclosed prior art, the core is placed in a drying box, and heating components are arranged on both sides of the core to heat the core. However, it is difficult to achieve separate heating of the electrodes with such a drying box. At the same time, since different cores have different sizes, there are electrodes at different positions on different cores, and it is difficult to effectively heat the electrodes. Summary of the Utility Model

[0005] The utility model is to overcome the above defects in the prior art, and provides a core drying device that improves the drying efficiency and can be applied to heating and drying cores of different sizes.

[0006] To achieve the above-mentioned utility model purpose, the present utility model adopts the following technical solutions: A battery cell drying device, including a battery cell seat and a plurality of battery cells arranged on the battery cell seat. A pole column is provided at the top of the battery cell. A drying component for drying and heating the battery cell is provided on the battery cell seat. The drying component includes a heating plate, a heating sheet wrapped on the surface of the battery cell, and a heating block arranged on the pole column. An adjusting mechanism for supporting the heating block is provided on the battery cell seat, and an adjusting member for fixing the heating sheet and adjusting the position of the heating sheet is also provided on the battery cell seat.

[0007] As a preferred solution of the present utility model, the heating plate is arranged at the bottom of the battery cell, and the heating sheet is attached to the opposite sides of the battery cell.

[0008] As a preferred solution of the present utility model, the heating plate is fixedly arranged on the battery cell seat, the heating sheet is coated with a Teflon coated layer, and the adjusting member is clamped on the Teflon coated layer.

[0009] As a preferred solution of the present utility model, adjusting plates are provided at both ends of the battery cell seat, and a plurality of horizontally arranged waist-shaped holes are provided on the adjusting plates. The adjusting member is connected to the waist-shaped holes.

[0010] As a preferred solution of the present utility model, vertical support members and a horizontal support member connected to the top of the vertical support members are provided on the battery cell seat. The vertical support members are arranged on the opposite sides of the battery cell seat and are connected to the adjusting plates.

[0011] As a preferred solution of the present utility model, a cover plate is arranged on the heating block, and the cover plate is connected to the adjusting mechanism.

[0012] As a preferred solution of the present utility model, the adjusting mechanism includes an adjusting rod, a connecting rod and an adjusting seat connected to each other. A first adjusting groove is provided on the adjusting rod along the length direction of the adjusting rod, and a first fixed shaft connected to the first adjusting groove is provided on the cover plate.

[0013] As a preferred solution of the present utility model, the adjusting seat includes an adjusting part and a fixing part. A second adjusting groove connected to the connecting rod is formed on the adjusting part.

[0014] As a preferred solution of the present utility model, the fixing part is arranged on the horizontal support member, and a fixing hole for fastening the fixing part is provided on the fixing part.

[0015] As a preferred solution of the present utility model, second fixed shafts respectively connected to the adjusting rod and the second adjusting groove are provided at both ends of the connecting rod.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] 1. By arranging the drying component to wrap around the surface of the battery cell, and simultaneously arranging heating blocks on the battery cell terminals to heat the terminals, the heating effect of the battery cell is ensured, thereby improving the drying efficiency of the battery cell. Additionally, by arranging the adjustment mechanism to adjust and fix the position of the heating blocks, the heating blocks can be applied to the terminals of battery cells of different sizes. Moreover, by arranging the adjusting member to adjust and fix the position of the heating sheet, the heating effect of the heating sheet on the battery cell is ensured, so that the heating effects of battery cells of different sizes placed on the battery cell seat are the same, and the drying efficiency of battery cells of different sizes is improved;

[0018] 2. Further, the heating sheets are arranged on the opposite sides of the battery cell, and the heating plate is located at the bottom of the battery cell, so as to heat three sides of the battery cell simultaneously, thereby improving the drying efficiency of the battery cell;

[0019] 3. Further, by arranging the heating blocks on the cover plate, with the cooperation of the adjusting rod, the connecting rod and the adjusting seat, the adjustment and fixation of the position of the heating blocks are realized, ensuring that the heating blocks can heat and dry the terminals of battery cells of different sizes. At the same time, by arranging a number of waist-shaped holes on the adjusting plate and connecting the adjusting member in the waist-shaped holes, the adjustment of the position of the heating sheet is realized under the action of the adjusting member, enabling the heating sheet to fit on the sides of battery cells of different sizes, ensuring the heating effect of the heating sheet on the battery cell, improving the drying efficiency, and further enhancing the practicality of the drying device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural view of the present utility model;

[0021] Figure 2 is a schematic structural view of the Teflon coated layer of the present utility model

[0022] Reference numerals: battery cell seat 1, vertical support member 101, horizontal support member 102, adjusting plate 103, waist-shaped hole 1031, battery cell 2, terminal 201, drying component 3, heating plate 301, heating sheet 302, Teflon coated layer 3021, heating block 303, cover plate 3031, first fixed shaft 3032, adjustment mechanism 4, adjusting rod 401, first adjustment groove 4011, adjusting seat 402, adjustment part 4021, fixing part 4022, second adjustment groove 4023, fixing hole 4024, connecting rod 403, second fixed shaft 4031. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following describes in detail the embodiments of the present utility model with reference to the drawings.

[0024] As Figure 1 - Figure 2As shown in the figure, a battery cell drying device includes a battery cell seat 1 and a plurality of battery cells 2 arranged on the battery cell seat 1. A pole column 201 is provided at the top of the battery cell 2. A drying assembly 3 for drying and heating the battery cell 2 is provided on the battery cell seat 1. The drying assembly 3 includes a heating plate 301, a heating sheet 302 wrapped around the surface of the battery cell 2, and a heating block 303 provided on the pole column 201. An adjusting mechanism 4 for supporting the heating block 303 is provided on the battery cell seat 1. An adjusting member 3022 for fixing the heating sheet 302 and adjusting the position of the heating sheet 302 is also provided on the battery cell seat 1.

[0025] Furthermore, a plurality of battery cells 2 are arranged on the battery cell seat 1. The battery cells 2 are placed vertically with the pole column 201 facing upward. A gap is left between adjacent two battery cells 2. The heating block 303 is provided on the pole column 201 for heating the pole column 201. The heating plate 301 is provided at the bottom of the battery cell 2. The heating sheet 302 is provided on the opposite sides of the battery cell 2. Specifically, the heating plate 301 is provided on the battery cell seat 1, that is, the heating plate 301 is located at the bottom of the battery cell 2 for heating and drying the bottom surface of the battery cell 2. The heating sheet 302 is attached to the opposite sides of the battery cell 2 for heating and drying the side surfaces of the battery cell 2. And the heating sheet 302 is fixed by the adjusting member 3022. Meanwhile, under the action of the adjusting member 3022, the distance between the heating sheet 302 and the battery cell 2 is adjusted, so as to realize the heating of battery cells 2 with different sizes. In addition, the adjusting mechanism 4 is provided above the battery cell 2, and the adjusting mechanism 4 is connected to the heating block 303 for adjusting the position of the heating block 303, so that the heating block 303 can heat the pole column 201 of battery cells 2 with different sizes. At the same time, the adjusting mechanism 4 is provided on the battery cell seat 1 for fixing the adjusting mechanism 4.

[0026] The heating plate 301 is fixedly provided on the battery cell seat 1. The heating sheet 302 is coated with a Teflon coating layer 3021. The adjusting member 3022 clamps the Teflon coating layer 3021. Further, the Teflon coating is obtained by evenly coating the Teflon coating on the surface of an object and making it tightly combined with the base material through processes such as thermal curing or chemical curing, so as to form a firm protective layer. This protective layer can endow the surface of the object with various excellent properties, such as high temperature resistance, corrosion resistance, non-stickiness, etc. Thus, the heating sheet 302 is protected by coating the Teflon coating layer 3021 on the heating sheet 302.

[0027] Both ends of the battery cell seat 1 are provided with adjusting plates 103. A number of horizontally arranged waist-shaped holes 1031 are provided on the adjusting plates 103. The adjusting member 3022 is connected in the waist-shaped holes 1031. Further, the waist-shaped holes 1031 are arranged along the length direction of the adjusting plates 103. The adjusting member 3022 can move in the waist-shaped holes 1031, so as to adjust the position of the heating sheet 302, realize the adjustment of the distance between the heating sheets 302 on both sides of the battery cell 2, and further meet the heating and drying requirements of battery cells 2 of different sizes.

[0028] Vertical support members 101 are provided on the battery cell seat 1 and horizontal support members 102 connected to the tops of the vertical support members 101. The vertical support members 101 are arranged on opposite sides of the battery cell seat 1, and the vertical support members 101 are connected to the adjusting plates 103. Further, the vertical support members 101 are arranged at the ends of the battery cell seat 1 and are fixed to the adjusting plates 103. The horizontal support members 102 are fixedly arranged on the vertical support members 101, and the adjusting mechanism 4 is arranged on the horizontal support members 102.

[0029] A cover plate 3031 is arranged on the heating block 303, and the cover plate 3031 is connected to the adjusting mechanism 4. Further, the cover plate 3031 is arranged on the heating block 303 to connect the adjusting mechanism 4 to realize the adjustment and fixation of the heating block 303.

[0030] The adjusting mechanism 4 includes a connected adjusting rod 401, a connecting rod 403 and an adjusting seat 402. A first adjusting groove 4011 is arranged on the adjusting rod 401 along the length direction of the adjusting rod 401. A first fixing shaft 3032 connected to the first adjusting groove 4011 is arranged on the cover plate 3031. Further, the adjusting rod 401 is horizontally arranged, the adjusting seat 402 is connected to the horizontal support member 102, the connecting rod 403 is movably connected to the adjusting rod 401 and the adjusting seat 402. In addition, the first fixing shaft 3032 is connected in the first adjusting groove 4011 and moves in the first adjusting groove 4011 to adjust the position of the heating block 303.

[0031] The adjustment base 402 includes an adjustment part 4021 and a fixing part 4022. A second adjustment groove 4023 connected to the connecting rod 403 is formed on the adjustment part 4021. Further, the adjustment part 4021 is vertically connected to the fixing part 4022, and the second adjustment groove 4023 is arranged along the length direction of the adjustment part 4021. In addition, second fixing shafts 4031 respectively connected to the adjustment rod 401 and the second adjustment groove 4023 are provided at both ends of the connecting rod 403. The two second fixing shafts 4031 are respectively connected in the first adjustment groove 4011 and the second adjustment groove 4023, and the two second fixing shafts 4031 move in the first adjustment groove 4011 and the second adjustment groove 4023 respectively, thereby being used to adjust the position of the connecting rod 403, so as to adjust the height of the heating block 303 to meet the heating of the pole posts 201 of the battery cells 2 of different sizes.

[0032] The fixing part 4022 is arranged on the horizontal support member 102, and a fixing hole 4024 for fastening the fixing part 4022 is provided on the fixing part 4022. Further, the fixing part 4022 moves on the horizontal support member 102 and is fixed to the horizontal support member 102 by a bolt passing through the fixing hole 4024, thereby realizing the adjustment of the heating block 303 in the horizontal direction.

[0033] In addition, it should be noted that a heating block generally refers to a device or component for heating. Its materials and shapes are various, but the common point is that it can generate heat and transfer it to the object or medium to be heated. The heating block is usually heated by current (resistance heating), gas heating or other heat sources, and transfers the heat to the object or medium to be heated; in the present utility model, the heating block 303 is heated by current (resistance heating), and then transfers the heat to the pole post 201, thereby heating and drying the pole post 201, and further evaporating the moisture on the pole post 201.

[0034] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model; therefore, the present utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0035] Although the following terms are used more frequently in this text: cell holder 1, vertical support member 101, horizontal support member 102, adjusting plate 103, waist-shaped hole 1031, cell 2, pole 201, drying component 3, heating plate 301, heating sheet 302, Teflon coating layer 3021, heating block 303, cover plate 3031, first fixed shaft 3032, adjusting mechanism 4, adjusting rod 401, first adjusting groove 4011, adjusting seat 402, adjusting part 4021, fixing part 4022, second adjusting groove 4023, fixing hole 4024, connecting rod 403, second fixed shaft 4031, etc., the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present utility model; interpreting them as any additional limitation is contrary to the spirit of the present utility model.

Claims

1. A battery cell drying device, comprising a battery cell seat (1) and a plurality of battery cells (2) arranged on the battery cell seat (1), wherein a pole column (201) is arranged at the top of the battery cell (2), and is characterized in that, A drying component (3) for drying and heating the battery cell (2) is provided on the battery cell seat (1). The drying component (3) includes a heating plate (301) wrapped around the surface of the battery cell (2), a heating sheet (302), and a heating block (303) provided on the pole (201). An adjusting mechanism (4) for supporting the heating block (303) is provided on the battery cell seat (1), and an adjusting member (3022) for fixing the heating sheet (302) and adjusting the position of the heating sheet (302) is also provided on the battery cell seat (1).

2. The cell drying device according to claim 1, wherein, The heating plate (301) is arranged at the bottom of the battery cell (2), and the heating sheet (302) is arranged in a fitting manner on the opposite sides of the battery cell (2).

3. The cell drying device according to claim 1, wherein, The heating plate (301) is fixedly arranged on the battery cell seat (1), a Teflon coated layer (3021) is coated on the heating sheet (302), and the adjusting member (3022) is clamped on the Teflon coated layer (3021).

4. The core drying device according to claim 1, characterized in that, Adjusting plates (103) are provided at both ends of the battery cell seat (1), and a plurality of horizontally arranged waist-shaped holes (1031) are provided on the adjusting plates (103). The adjusting member (3022) is connected to the waist-shaped holes (1031).

5. The cell drying device according to claim 4, characterized in that, Vertical supports (101) and a horizontal support (102) connected to the top of the vertical support (101) are provided on the battery cell seat (1). The vertical supports (101) are arranged on the opposite sides of the battery cell seat (1), and the vertical supports (101) are connected to the adjusting plates (103).

6. The cell drying device according to claim 5, wherein, A cover plate (3031) is provided on the heating block (303), and the cover plate (3031) is connected to the adjusting mechanism (4).

7. The cell drying device according to claim 6, wherein, The adjusting mechanism (4) includes an adjusting rod (401), a connecting rod (403), and an adjusting seat (402) connected to each other. A first adjusting groove (4011) arranged along the length direction of the adjusting rod (401) is provided on the adjusting rod (401), and a first fixing shaft (3032) connected to the first adjusting groove (4011) is provided on the cover plate (3031).

8. A core drying device according to claim 7, characterized in that, The adjusting seat (402) includes an adjusting part (4021) and a fixing part (4022), and a second adjusting groove (4023) connected to the connecting rod (403) is formed on the adjusting part (4021).

9. A core drying device according to claim 8, characterized in that, The fixing part (4022) is arranged on the horizontal support (102), and a fixing hole (4024) for fastening the fixing part (4022) is provided on the fixing part (4022).

10. A core drying device according to claim 7, characterized in that, Both ends of the connecting rod (403) are provided with second fixing shafts (4031) respectively connected to the adjusting rod (401) and the second adjusting groove (4023).

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