Flow pulling box for single-sided tab of lithium battery

By designing a single-sided pole ear flow pull box of lithium battery including anti-stupid angle, extreme ear limit slot, convex hull avoidance and negative draft inverter, the problems of extreme ear contamination and oxidation during the welding of lithium-ion batteries are solved, and efficient and safe extreme ear transportation and welding are achieved.

CN222629847UActive Publication Date: 2025-03-18宁德聚能动力电源系统技术有限公司
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Patent Information

Application Number
CN202420686478.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-03-18
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

During the welding process of lithium-ion batteries, finger contact with the extreme ears can easily lead to contamination and oxidation, affecting the conductivity, and the existing flow-pull box design cannot effectively avoid these problems.

Method used

A single-sided pole ear flow pull box of lithium battery is designed, including the body of the pole ear, anti-stup angle, extreme ear limit slot, extreme ear convex hull avoidance, QR code tag position and negative draft inverter, and the safe and effective transportation and welding of extreme ears are achieved through these structures.

Benefits of technology

The flow-pull box is reasonably designed, stackable, lightweight, low-priced, large loading and efficient transportation, effectively avoiding extreme ear contamination and poor welding problems, and improving the conductive properties of welding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flow pulling box for a single-sided tab of a lithium battery, and relates to a flow pulling box. Comprising a flow drawing box body, a fool-proof corner, a tab limiting groove, a tab convex hull clearance position, a two-dimensional code label position and a negative drawing die reverse buckle, the fool-proof corner is arranged at one corner of the flow drawing box body, the tab limiting groove is formed in the flow drawing box body, and the tab convex hull clearance position is arranged at one end in the tab limiting groove. Negative draft reverse buckles are arranged on the periphery and the middle reinforcing rib of the flow drawing box body, and the two-dimensional code label position is arranged at the other corner of the flow drawing box body. The stackable transfer trolley is reasonable in structural design, stackable, light, low in price, large in loading quantity, efficient in transfer and high in practicability.
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Description

Technical Field

[0001] The utility model relates to a flow-pulling box, in particular to a lithium battery single-sided tab flow-pulling box. Background Art

[0002] The tab is an important component of lithium-ion batteries and a key part that connects the internal electrodes of the battery and the external circuit. The tab converts chemical energy into electrical energy by conducting current, and is a bridge for the conduction of internal and external circuits. Generally, the tab is welded to the pole piece by ultrasonic high-frequency vibration. Welding requires high standards and must be free of foreign matter and oxidation, and avoid full-surface contact with fingers, because the oil on the hands will cause the tab to produce explosion points during welding and affect the conductivity. In order to solve the above problems, a tab-carrying flow box is designed according to the shape of the tab, which can be transported efficiently and at a low price, and can also avoid losses caused by poor welding due to contamination of the tab by foreign matter. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a lithium battery single-sided tab flow box, which has a reasonable structural design, is stackable, lightweight, low-cost, has a large loading quantity, is efficient in transportation, and is highly practical.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a lithium battery single-sided tab flow box, including a flow box body, an anti-stupid corner, a tab limiting groove, a tab convex avoidance position, a QR code label position and a negative draft buckle, a corner of the flow box body is provided with an anti-stupid corner, a tab limiting groove is provided on the tab body, a tab convex avoidance position is provided at one end of the tab limiting groove, negative draft buckles are provided at the periphery and middle reinforcement rib positions of the flow box body, and the QR code label position is provided at another corner of the flow box body.

[0005] Preferably, the flow-pull box body is a PS antistatic box body.

[0006] Preferably, the single-side gap between the tab limiting groove and the tab is 0.3 mm.

[0007] Preferably, the tab convex bumps are formed to avoid empty spaces by using a 6-degree positive draft.

[0008] Preferably, when the empty boxes of the flow-pull box body are stacked, the layer spacing is between 7.5-8 mm.

[0009] The beneficial effects of the utility model are as follows: the utility model has reasonable structural design, can be stacked, is lightweight, has a low price, can load a large number of items, has high transportation efficiency, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a stacking schematic diagram of the utility model. DETAILED DESCRIPTION

[0013] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0014] Reference Figure 1-2 The present specific embodiment adopts the following technical scheme: a lithium battery single-sided tab flow box, comprising a flow box body 1, an anti-stupid corner 2, a tab limiting groove 3, a tab convex avoidance position 4, a QR code label position 5 and a negative draft undercut 6. An anti-stupid corner 2 is provided at one corner of the flow box body 1, a tab limiting groove 3 is provided on the flow box body 1, a tab convex avoidance position 4 is provided at one end of the tab limiting groove 3, negative draft undercuts 6 are provided at the peripheral and middle reinforcing rib positions of the flow box body 1, and a QR code label position 5 is provided at another corner of the flow box body 1.

[0015] It is worth noting that the flow box body 1 is a PS antistatic box body.

[0016] It is worth noting that the single-side gap between the tab limiting groove 3 and the tab is 0.3 mm.

[0017] It is worth noting that the tab convex avoidance position 4 adopts a 6-degree positive draft.

[0018] In addition, when the empty boxes of the flow-pull box body 1 are stacked, the layer spacing is between 7.5-8 mm.

[0019] The flow box of this specific embodiment is made of 0.7mm thick PS antistatic material with stable chemical properties and good flexibility through a blister forming process. The flow box is provided with a tab limit groove, and the single-side gap between the tab and the limit groove is 0.3mm. The tab convex bulge is designed with a 6-degree positive draft to avoid empty positions to prevent interference. The main body of the tab adopts a 15-degree positive draft design to prevent the tab from being scratched by friction with the flow box during placement and causing welding abnormalities. The flow box is equipped with anti-stupid corners and a QR code label slot. Negative draft undercuts are provided on the periphery and middle reinforcement ribs of the flow box to play a stacking support role. In order to prevent the upper layer of the flow box from crushing the bottom product after stacking, the layer spacing between empty boxes is required to be between 7.5-8mm.

[0020] The flow-pull box of this specific embodiment has the advantages of being stackable, lightweight, inexpensive, capable of loading a large number of items, and efficient in transportation.

[0021] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A lithium battery single-sided tab flow box, characterized in that: The invention comprises a flow box body (1), an anti-stupid corner (2), a tab limiting groove (3), a tab convex avoidance position (4), a two-dimensional code label position (5) and a negative draft undercut (6); one corner of the flow box body (1) is provided with an anti-stupid corner (2); the tab limiting groove (3) is provided on the flow box body (1); one end of the tab limiting groove (3) is provided with a tab convex avoidance position (4); the periphery of the flow box body (1) and the middle reinforcing rib position are provided with negative draft undercuts (6); and the two-dimensional code label position (5) is provided at the other corner of the flow box body (1).

2. A lithium battery single-sided tab flow box according to claim 1, characterized in that: The flow-pull box body (1) is a PS antistatic box body.

3. A lithium battery single-sided tab flow box according to claim 1, characterized in that: The single-side gap between the tab limiting groove (3) and the tab is 0.3 mm.

4. A lithium battery single-sided tab flow box according to claim 1, characterized in that: The tab convex bump avoids the empty position (4) by adopting a 6-degree positive draft.

5. A lithium battery single-sided tab flow box according to claim 1, characterized in that: When the empty boxes of the flow-pull box body (1) are stacked, the layer spacing is between 7.5-8 mm.