CN212830283U

CN212830283U - Plastic sucking disc for soft package lithium battery cell

Info

Publication number: CN212830283U
Application number: CN202021081274.5U
Authority: CN
Inventors: 张红丽; 方坤; 张宝华; 娄勇刚
Original assignee: Camel Group Wuhan New Energy Technology Co ltd
Current assignee: Camel Group New Energy Battery Co Ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-03-30
Anticipated expiration: 2030-06-12

Abstract

A plastic sucking disc for a soft package lithium battery cell comprises a plastic sucking disc body, wherein a plurality of concave cavities are arranged on the plastic sucking disc body side by side, the inner peripheral wall of each concave cavity consists of a first inclined plane which inclines outwards for a certain drawing angle and a second inclined plane which is connected to the upper end of the first inclined plane and inclines outwards for a certain guiding angle, the first inclined plane and the second inclined plane are in smooth transition, and the drawing angle is smaller than the guiding angle; a plurality of inwards concave limiting clamping platforms are uniformly distributed on the inner peripheral wall of the concave cavity and the outer peripheral wall of the plastic sucking disc body, the horizontal plane of each limiting clamping platform is flush with the intersection line of the first inclined surface and the second inclined surface, and the limiting clamping platforms in the length direction of the inner peripheral wall of the concave cavity and the limiting clamping platforms in the length direction of the outer peripheral wall of the plastic sucking disc body are arranged in a staggered mode; the peripheral wall of the plastic sucking disc body is provided with a plurality of concave reinforcing ribs; four corners of the plastic sucking disc body are respectively provided with a guide boss of which the outer peripheral wall is inwards inclined by a certain angle; the extrusion of the electric core can be prevented, and the electric core in the next layer of plastic sucking disc can be prevented from being adhered when the upper layer of plastic sucking disc is pulled out.

Description

Plastic sucking disc for soft package lithium battery cell

Technical Field

The utility model relates to a lithium cell transportation carrier technical field especially relates to plastic-suction dish technical field, and specific is the plastic-suction dish that is used as the transportation carrier in soft packet of lithium ion battery production and the storage process.

Background

Due to the higher energy density, soft package lithium ion batteries are widely favored by battery enterprises and electric vehicle enterprises in recent years. However, the current industry of packaging soft package lithium ion batteries generally adopts aluminum plastic films, the thickness is generally controlled to be about 150um, and the thickness of the middle aluminum foil layer is about 40 um. Therefore, the lithium battery pole pieces can be damaged by slight collision, falling and padding of the soft package lithium ion battery, and further, the performance of the lithium battery in all aspects is influenced. Therefore, a practical and simple soft-package lithium ion battery transportation carrier is of great importance in the production process.

Disclosure of Invention

Not enough more than solving, the utility model provides a soft packet of lithium cell is plastic sucking disc for electricity core can prevent the extrusion of electric core, prevents to take the electric core in the one deck plastic sucking disc under can the adhesive tape when extracting upper strata plastic sucking disc.

A plastic sucking disc for a soft package lithium battery core comprises a plastic sucking disc body, wherein a plurality of concave cavities for placing the soft package lithium battery core are arranged on the plastic sucking disc body side by side, the inner peripheral wall of each concave cavity consists of a first inclined plane and a second inclined plane, the first inclined plane is inclined outwards by a certain drawing angle, the second inclined plane is connected to the upper end of the first inclined plane and is inclined outwards by a certain guide angle, the first inclined plane and the second inclined plane are in smooth transition, the drawing angle is smaller than the guide angle, and the vertical depth of the first inclined plane is matched with the thickness of the battery; a plurality of inwards concave limiting clamping platforms are uniformly distributed on the inner peripheral wall of the concave cavity and the outer peripheral wall of the plastic sucking disc body, the horizontal plane of each limiting clamping platform is flush with the intersection line of the first inclined surface and the second inclined surface, and the limiting clamping platforms in the length direction of the inner peripheral wall of the concave cavity and the limiting clamping platforms in the length direction of the outer peripheral wall of the plastic sucking disc body are arranged in a staggered mode; the peripheral wall of the plastic sucking disc body is provided with a plurality of concave reinforcing ribs; four corners of the plastic sucking disc body are respectively provided with a guide boss with an outer peripheral wall inclining inwards for a certain angle.

At least one reinforcing rib is arranged between two adjacent limiting clamping tables on the outer peripheral wall of the plastic sucking disc body.

The interval between the adjacent two limiting clamping tables on the same side of the inner peripheral wall and the outer peripheral wall is 60-100 mm.

The drawing angle is 1-5 degrees.

The guide boss is triangular.

The vertical direction contained angle of direction boss periphery wall is 10~ 30.

The vertical depth of the second inclined plane is 6-10 mm.

The utility model discloses a through optimizing structural design, be used for soft packet of lithium ion battery production and storage in-process with simple light plastic-absorbing dish, can effectively avoid touching the problem of striking sparks with electric core successive layer interval, and be applicable to automation line, very practical soft packet of lithium cell transportation carrier.

The utility model reserves space for the battery cell by the limiting clamping table, and prevents the battery cell from extruding; the die drawing angle and the guide angle of the inner wall of the concave cavity are used simultaneously, when the concave cavity is automatically descended and stacked, the concave cavity is stopped when being limited to the die drawing position by the limiting clamping table, so that the extrusion is avoided too much, and the phenomenon that a next layer of electric core in the plastic sucking disc is stuck when the upper layer of plastic sucking disc is drawn out is prevented; the guide boss is added to ensure that the plastic suction discs are automatically and tidily arranged when being stacked; the plastic sucking disc body periphery wall is equipped with the strengthening rib of a plurality of indents, and increase strength can be used for the circulation air simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to further the understanding and appreciation of the present invention, the present invention will be further explained in detail with reference to the following embodiments. It should be noted that the embodiment is only used for explaining the present invention, and does not constitute a limitation to the scope of the present invention.

As shown in fig. 1, the plastic sucking disc body 1 of the present invention has two concave cavities for placing the soft-packaged lithium battery cells side by side on the plastic sucking disc body 1, and can accommodate two soft-packaged lithium battery cells, and the cells are placed in the plastic sucking disc in a co-directional flat manner; the inner peripheral wall of the concave cavity consists of a first inclined plane 2 inclining outwards for a certain drawing angle and a second inclined plane 3 connected to the upper end of the first inclined plane and inclining outwards for a certain guide angle, the first inclined plane 2 and the second inclined plane 3 are in smooth transition, the inner peripheral wall is divided into two layers by the setting of the drawing angle and the guide angle, the drawing angle is smaller than the guide angle, the drawing angle is 1-5 degrees, the vertical depth of the first inclined plane 2 is matched with the thickness of a battery cell, and the vertical depth of the second inclined plane 3 is 6-10 mm; a plurality of inwards concave limiting clamping platforms 4 are uniformly distributed on the inner peripheral wall of the concave cavity and the outer peripheral wall of the plastic sucking disc body 1, the horizontal plane of each limiting clamping platform 4 is flush with the intersection line of the first inclined plane 2 and the second inclined plane 3, and the limiting clamping platforms in the length direction of the inner peripheral wall of the concave cavity and the limiting clamping platforms in the length direction of the outer peripheral wall of the plastic sucking disc body 1 are arranged in a staggered mode; the interval between two adjacent limiting clamping tables on the same side of the inner peripheral wall and the outer peripheral wall is 60-100 mm; the outer peripheral wall of the plastic sucking disc body 1 is provided with a plurality of inwards concave reinforcing ribs, and at least one reinforcing rib is arranged between two adjacent limiting clamping tables 4 on the outer peripheral wall of the plastic sucking disc body 1; the four corners of the plastic sucking disc body 1 are provided with triangular guide bosses 5, and the guide bosses 5 are provided with inclination angles which are inclined inwards by 10-30 degrees.

When the plastic trays are stacked, two adjacent layers of the plastic trays are automatically aligned under the guidance of the guide bosses 5; under the combined action of the guide boss 5 and the limiting clamping table 4, a space with a certain height is preset for the cavity of the plastic sucking disc, so that the extrusion of a battery core is avoided; the recessed ribs can be used for ventilating air at the same time.

Claims

1. The utility model provides a soft packet of lithium cell electricity is with plastic uptake dish which characterized in that: the plastic sucking disc comprises a plastic sucking disc body (1), wherein a plurality of concave cavities for placing soft package lithium battery cells are arranged on the plastic sucking disc body (1) side by side, the inner peripheral wall of each concave cavity consists of a first inclined plane (2) inclining outwards for a certain drawing angle and a second inclined plane (3) connected to the upper end of the first inclined plane and inclining outwards for a certain guide angle, the first inclined plane (2) and the second inclined plane (3) are in smooth transition, the drawing angle is smaller than the guide angle, and the vertical depth of the first inclined plane (2) is matched with the thickness of the battery cells; a plurality of inwards concave limiting clamping tables (4) are uniformly distributed on the inner peripheral wall of the concave cavity and the outer peripheral wall of the plastic sucking disc body (1), the horizontal plane of each limiting clamping table (4) is flush with the intersection line of the first inclined plane (2) and the second inclined plane (3), and the limiting clamping tables in the length direction of the inner peripheral wall of the concave cavity and the limiting clamping tables in the length direction of the outer peripheral wall of the plastic sucking disc body (1) are arranged in a staggered mode; the outer peripheral wall of the plastic sucking disc body (1) is provided with a plurality of concave reinforcing ribs; four corners of the plastic sucking disc body (1) are respectively provided with a guide boss (5) with the peripheral wall inwards inclined by a certain angle.

2. The plastic uptake plate for the soft package lithium battery cell of claim 1, which is characterized in that: at least one reinforcing rib is arranged between two adjacent limiting clamping tables (4) on the outer peripheral wall of the plastic sucking disc body (1).

3. The plastic uptake plate for the soft package lithium battery cell of claim 1, which is characterized in that: the interval between the adjacent two limiting clamping tables on the same side of the inner peripheral wall and the outer peripheral wall is 60-100 mm.

4. The plastic uptake plate for the soft package lithium battery cell of claim 1, which is characterized in that: the drawing angle is 1-5 degrees.

5. The plastic uptake plate for the soft package lithium battery cell of claim 1, which is characterized in that: the guide boss (5) is triangular.

6. The plastic uptake plate for the soft package lithium battery cell of claim 5, which is characterized in that: the outer peripheral wall of the guide boss (5) and the vertical direction form an included angle of 10-30 degrees.

7. The plastic uptake plate for the soft package lithium battery cell of claim 1, which is characterized in that: the vertical depth of the second inclined surface (3) is 6-10 mm.