Formation tray and EPP foam protection battery cell circulating package

Abstract

The utility model provides a formation tray and EPP foam protection cell circulation package, which comprises a formation tray and an EPP foam lining, the EPP foam lining is embedded in the formation tray and is fixedly connected with the formation tray, the EPP foam lining is provided with at least one row of cavities for placing cells, a separation cavity is arranged between every two adjacent cavities, and the EPP foam lining is embedded in the formation tray and is fixedly connected with the formation tray. Ventilation cooling openings are formed in the side walls of the two ends of the cavity and the two ends of the partition cavity. The formation tray has good bearing capacity, and the EPP foaming lining fixed inside is made of foaming sponge and has a protection effect on the battery cell; the EPP foaming lining adopts a structure that the cavities and the separation cavities are alternated, and ventilation cooling openings are reserved in the side walls of the cavities and the separation cavities, so that cooling and heat dissipation of the fans on the side edges of the wire edges are effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flow transfer carrier technical field, especially to a kind of formation tray and EPP foamed cotton protection electric core circulation package. BACKGROUND

[0002] Formation and capacity distribution are two indispensable links in the process of battery manufacturing.Formation mainly concerns the stabilization of battery performance, and through a series of process measures, the chemical reaction inside the battery reaches equilibrium;Capacity distribution concerns the capacity sorting and performance screening of battery, and through strict testing, the quality and performance of battery are ensured.The two links jointly constitute the quality control system in the process of battery manufacturing, and provide strong guarantee for producing high-performance and high-quality batteries.

[0003] In the process of formation and capacity distribution, the electric core releases heat, and the temperature of the electric core online is high.On the one hand, the flow transfer tray needs to have good high-temperature resistance, and at the same time, it needs to have good heat dissipation performance.The existing tray structure does not meet the above high-temperature and heat dissipation requirements.In addition, the blue film outside the electric core is easily damaged by extrusion, so the appearance of the electric core needs to be guaranteed.Therefore, it is necessary to improve the existing electric core tray to solve the above problems. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art, and the utility model provides a formation tray and EPP foamed cotton protection electric core circulation package.

[0005] The technical solution adopted by the utility model to solve its technical problem is: a formation tray and EPP foamed cotton protection electric core circulation package, which comprises a formation tray and an EPP foamed inner liner, the EPP foamed inner liner is embedded in the formation tray, and is fixedly connected with the formation tray, at least one row of cavities for placing electric cores is arranged on the EPP foamed inner liner, a separation cavity is arranged between adjacent cavities, ventilation cooling openings are arranged on the side walls at both ends of the cavities and the separation cavity, and the ventilation cooling openings are U-shaped openings.

[0006] Further, a plurality of openings are arranged on the bottom of the formation tray, air holes are arranged on the EPP foamed inner liner, and the air holes are arranged on the bottom surface of the cavities and cooperate with the openings on the bottom of the formation tray to cool the electric cores.The air holes on the EPP foamed inner liner cooperate with the openings on the bottom of the formation tray to assist in cooling.

[0007] As an optimization, two air holes are arranged on the bottom surface of each cavity.

[0008] Further, the side wall of the cavity is provided with a raised narrow rib position, and the raised narrow rib position is symmetrically arranged along the cavity.

[0009] Further, the two ends of the cavity bottom are provided with grooves, the grooves are provided with silica gel pads, and the upper surface of the silica gel pad is higher than the bottom surface of the cavity.

[0010] The rigidity of the EPP foamed liner directly leads to cracking at the connection position, therefore, in order to realize reliable connection of the formation tray and the EPP foamed liner, further, the bottom surface of the EPP foamed liner is internally provided with a plurality of nut inserts, the formation tray corresponding to the nut inserts is provided with a bolt connection position, the bolt passes through the bolt connection position and is connected with the nut insert to realize fixed connection of the formation tray and the EPP foamed liner.

[0011] As preferred, the EPP foamed liner is provided with two rows of cavities.

[0012] The utility model discloses a kind of formation tray and EPP foamed cotton protective electric cell circulation package, (1) formation tray has good bearing capacity, internally fixed EPP foamed liner is made of foamed sponge, and it has protective effect to electric cell;(2) in the uplink and downlink of the cell of the capacity distribution end, temperature is higher, EPP has high temperature resistance, meets the demand of high temperature circulation;(3)EPP foamed liner also has elasticity, can be closely matched with formation tray, and foamed sponge is soft material, can be buffer protection;(4) increase metal nut insert in the bottom of EPP foamed liner, it can be firmly fixed with formation tray;(5) the cavity side wall of EPP foamed liner is made of raised narrow rib position structure to reduce the contact area of EPP foamed liner and electric cell side, so as to reduce the white mark impression caused by the friction and extrusion of electric cell surface and EPP foamed liner;(6) groove is set in the bottom of cavity, silica gel pad is pasted in the groove, and the bottom of electric cell is padded, the contact of the bottom of electric cell and EPP foamed liner is reduced, white mark impression is reduced, and also play the role of buffer, protect electric cell appearance;(7) EPP foamed liner adopts the structure that cavity and partition chamber are alternated, and ventilation cooling port is reserved on the side wall of cavity and partition chamber, effectively guarantee that line side fan cooling is cooled and radiated;(8) the vent hole is set in the bottom of cavity, cooperates with the opening structure of the bottom of formation tray, realizes auxiliary cooling, and further improves the efficiency of cooling and radiation. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further described below in connection with the drawings and examples.

[0014] Figure 1 It is the structure schematic diagram of the electric core circulation package of the utility model.

[0015] Figure 2 It is the front structure schematic diagram of the formation tray.

[0016] Figure 3 It is the back structure schematic diagram of the formation tray.

[0017] Figure 4 It is the front structure schematic diagram of the EPP foamed inner lining.

[0018] Figure 5 It is Figure 4 It is the enlarged structure schematic diagram of the EPP foamed inner lining side edge in the middle A.

[0019] Figure 6 It is Figure 4 It is the partial enlarged structure schematic diagram of the cavity in the middle B.

[0020] Figure 7 It is the back structure schematic diagram of the EPP foamed inner lining.

[0021] Figure 8 It is Figure 7 It is the enlarged structure schematic diagram in the middle C.

[0022] Figure 9 It is the structure schematic diagram of the nut insert.

[0023] Figure 10 It is the structure schematic diagram of the EPP foamed inner lining placing electric core.

[0024] In the drawing: 1, formation tray, 1.1, opening, 1.2, bolt connection position, 2, EPP foamed inner lining, 2.1, air hole, 2.2, ventilation cooling mouth, 2.3, convex narrow muscle position, 2.4, cavity, 2.5, separate cavity, 3, nut insert, 4, silica gel pad, 5, electric core. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described below in connection with the drawings, obviously, the described example is a part of the utility model example, rather than all examples. Based on the example in the utility model, all other examples obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0026] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In addition, the technical features involved in different embodiments of the utility model described below can be combined with each other as long as there is no conflict between them.

[0028] As Figures 1-10 shown, the utility model discloses a kind of formation tray and EPP foamed cotton protection electric core circulation package, including formation tray 1 and EPP foamed lining 2, the EPP foamed lining 2 is embedded in formation tray 1, and is fixedly connected with formation tray 1, at least one row of cavity 2.4 for placing electric core 5 is equipped on the EPP foamed lining 2, in the embodiment, two rows of cavities 2.4 are equipped on the EPP foamed lining 2. Adjacent cavity 2.4 between is equipped with separation chamber 2.5, as shown in Figure 4 And Figure 5 As shown, ventilation cooling port 2.2 is equipped on the side wall of both ends of cavity 2.4 and separation chamber 2.5, as preferred, ventilation cooling port 2.2 is U-shaped port. The bottom of formation tray 1 is equipped with several openings 1.1, the EPP foamed lining 2 is equipped with air hole 2.1, and air hole 2.1 is arranged on the bottom surface of cavity 2.4, cooperates with the opening 1.1 of the bottom of formation tray 1, and cools electric core 5. Air hole 2.1 on EPP foamed lining 2 cooperates with opening 1.1 of the bottom structure of formation tray 1 to assist cooling. As preferred, two air holes 2.1 are equipped on the bottom surface of each cavity 2.4.

[0029] As Figure 6As shown, the side wall of the cavity 2.4 is provided with a raised narrow rib position 2.3, and the raised narrow rib position 2.3 is symmetrically arranged along the cavity 2.4. The design of the raised narrow rib position 2.3 on the side wall of the cavity 2.4 reduces the contact area between the battery cell 5 and the EPP foaming lining 2, and reduces / avoids the problem of white marks on the blue film of the battery cell 5. The bottom of the cavity 2.4 is provided with a groove, and the groove is provided with a silica gel pad 4, and the upper surface of the silica gel pad 4 is higher than the bottom surface of the cavity 2.4. The bottom of the cavity 2.4 is designed with a small groove, and the groove is provided with a silica gel pad 4, which pads the battery cell 5, reduces the contact between the bottom surface of the battery cell 5 and the bottom surface of the EPP foaming lining 2, reduces the white marks, and buffers and protects the appearance.

[0030] As shown in the drawings, Figures 7-9 The bottom surface of the EPP foaming lining 2 is provided with a plurality of nut inserts 3, and the formation tray 1 corresponding to the nut inserts 3 is provided with a bolt connection position 1.2. The bolt passes through the bolt connection position 1.2 and is connected with the nut insert 3 to realize the fixed connection of the formation tray 1 and the EPP foaming lining 2. When the EPP foaming lining 2 is foamed and formed, the nut insert 3 is directly formed in the inside, which is used as the fixed position of the bolt. Preferably, the nut insert 3 is made of metal material.

[0031] Based on the above ideal embodiments of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the scope of the present application. The technical scope of the present application is not limited to the contents in the specification, and must be determined according to the scope of the claims.

Claims

1. A formation tray and EPP foamed cotton protection electric core circulation package, characterized in that: The device includes a formation tray and an EPP foam liner. The EPP foam liner is embedded in the formation tray and fixedly connected to it. The EPP foam liner has at least one row of cavities for placing battery cells. There are partition cavities between adjacent cavities. Ventilation and cooling vents are provided on the side walls at both ends of the cavities and partition cavities.

2. The formation tray and EPP foam protective cell cycle packaging of claim 1, wherein: The bottom of the formation tray has several openings, and the EPP foam liner has vent holes. The vent holes are located on the bottom surface of the cavity and cooperate with the openings at the bottom of the formation tray to cool the battery cell.

3. The formation tray and EPP foam protective cell cycling package of claim 2, wherein: Two vent holes are provided on the bottom surface of each cavity.

4. The formation tray and EPP foam protective cell cycling package of claim 1, wherein: The cavity has raised narrow ribs on its sidewalls, and the raised narrow ribs are symmetrically arranged along the cavity.

5. The formation tray and EPP foam protective cell cycling package of claim 1, wherein: The bottom of the cavity is provided with grooves at both ends, and a silicone pad is provided in the groove, with the upper surface of the silicone pad protruding above the bottom surface of the cavity.

6. The formation tray and EPP foam protective cell cycling package of claim 1, wherein: The bottom surface of the EPP foam liner has several nut inserts, and the formation tray corresponding to the nut inserts is provided with bolt connection positions. The bolts pass through the bolt connection positions and connect with the nut inserts to realize the fixed connection between the formation tray and the EPP foam liner.

7. The formation tray and EPP foam protective cell cycling package of claim 1, wherein: The EPP foam liner has two rows of cavities.

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