New energy electricity box limiting blocking piece and forming process thereof

Abstract

The invention discloses a new energy electricity box limiting blocking piece which comprises a blocking piece body, the blocking piece body comprises a transverse plate and two side plates located on the two sides of the transverse plate, the two side plates are arranged on the two sides of the transverse plate respectively, and the transverse plate and the side plates are of an integrated structure. Reinforcing ribs are arranged at the joints of the side plates and the transverse plates, and limiting grooves are formed in the two ends of each transverse plate. A bending mode is adopted, the two sides of the transverse plate are bent to form the side plates, so that the blocking piece body is obtained, the reinforcing ribs are welded to the joints between the transverse plate and the side plates, the strength of the blocking piece body is improved, and deformation is prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy electric box, and in particular to a new energy electric box limit blocking piece and a forming process thereof. Background Art

[0002] In order to achieve the maximum energy output of the battery, most batteries nowadays are supplied with energy in the form of a battery box, in which a battery module is arranged. For example, in a new energy vehicle system, a plurality of battery boxes are arranged in the new energy vehicle system, and each battery box is connected in series or in parallel by fasteners to complete the electrical energy supply.

[0003] When installing the battery modules in the battery box, in order to avoid collision between the battery modules, limit blocking plates are used to isolate the battery modules. The existing limit blocking plates are made of steel plates welded together. The limit blocking plates have low strength and are easily deformed when encountering a collision. Therefore, a limit blocking plate with greater strength and less deformation is needed. Summary of the invention

[0004] The purpose of the present invention is to provide a new energy electric box limit blocking piece and its forming process, so as to solve the problem that the existing limit blocking piece is composed of steel plates welded together, the limit blocking piece has low strength and is easily deformed when encountering a collision.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a new energy electric box limit blocking plate, comprising a blocking plate body, the blocking plate body comprising a horizontal plate and side plates located on both sides of the horizontal plate, two side plates are provided, and the two side plates are respectively arranged on both sides of the horizontal plate, the horizontal plate and the side plates are an integrated structure, a reinforcing rib is provided at the joint between the side plate and the horizontal plate, and limit grooves are provided at both ends of the horizontal plate.

[0006] Wherein, the two side panels are arranged in parallel.

[0007] Wherein, the side panels and the transverse panels are vertically arranged.

[0008] Wherein, a U-shaped groove is formed between the two side plates and the transverse plate.

[0009] Wherein, the transverse plate and the side plates are both made of Cr12MoV steel.

[0010] A forming process of a new energy electric box limit blocking piece includes the following steps:

[0011] Step 1, selecting Cr12MoV steel as the raw material of the barrier plate body, and cutting the Cr12MoV steel according to the width of the two side plates and the cross plate;

[0012] Step 2: Cut the limit grooves at the center of both ends of the Cr12MoV steel;

[0013] Step 3: Then, according to the width of the side panels, a bending machine is used to bend the side panels on both sides of the Cr12MoV steel, and a horizontal plate perpendicular to the side panels is formed in the middle of the two side panels;

[0014] Step 4, heating the bent barrier sheet body to 1100-1130°C, keeping the temperature for 0.5-1h, cooling the barrier sheet body to room temperature after being taken out of the furnace, and then tempering the barrier sheet body at 650-700°C for 2 times, each time for 0.5-1h, and cooling it with the furnace;

[0015] Step 5, then perform final quenching and tempering treatment on the barrier sheet body, quench at 1030°C and then oil cool, reheat the quenched barrier sheet body to 400-500°C, keep warm for 1-2h, and then air cool to room temperature after being taken out of the furnace;

[0016] Step 6: After the blocking piece body is heat treated, reinforcing ribs are welded along the length direction at the joint between the transverse plate and the side plate to obtain the new energy electric box limit blocking piece.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention adopts a bending method to bend the side plates on both sides of the horizontal plate to obtain the blocking plate body, and welds reinforcing ribs at the joint between the horizontal plate and the side plates to improve the strength of the blocking plate body and prevent deformation;

[0019] 2. The present invention can improve the martensitic structure of the barrier sheet body through multiple heat treatment methods, refine the network carbide, and improve the impact toughness of the barrier sheet body, so that the barrier sheet body has higher hardness and good wear resistance, thereby improving the overall performance of the barrier sheet body and effectively preventing the barrier sheet body from breaking due to bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a top view schematic diagram of the present invention;

[0021] Figure 2 It is a bottom view schematic diagram of the present invention;

[0022] Figure 3 It is a main schematic diagram of the present invention;

[0023] Figure 4 This is a schematic diagram of the assembly state of the barrier sheet body of the present invention.

[0024] In the figure, 10, blocking piece body; 11, horizontal plate; 12, side plate; 13, U-shaped groove; 14, reinforcing rib; 15, limiting groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example 1

[0027] See also Figure 1-Figure 4 , this embodiment provides a technical solution: a new energy electric box limit blocking piece, including a blocking piece body 10, the blocking piece body 10 includes a horizontal plate 11 and side plates 12 located on both sides of the horizontal plate 11, two side plates 12 are provided, and the two side plates 12 are respectively arranged on both sides of the horizontal plate 11, the horizontal plate 11 and the side plates 12 are in an integrated structure, the two side plates 12 are arranged in parallel, and the side plates 12 and the horizontal plate 11 are arranged vertically, and the side plates 12 are bent 90 degrees on both sides of the horizontal plate 11 by a bending method, so as to reduce welding and deformation and improve the overall aesthetics of the blocking piece body 10;

[0028] In order to further improve the strength of the barrier sheet body 10, a reinforcing rib 14 is welded at the joint between the side plate 12 and the transverse plate 11, thereby improving the strength of the barrier sheet body 10 and preventing deformation.

[0029] In order to facilitate the installation of the blocking sheet body 10 in the battery box, limit slots 15 are provided at both ends of the horizontal plate 11, and limit posts (as shown in the attached manual) that cooperate with the limit slots 15 are installed in the battery box. Figure 4 As shown in FIG. 1 , the blocking sheet body 10 can be directly pressed into the battery box through the limiting groove 15 .

[0030] A U-shaped groove 13 is formed between the two side plates 12 and the horizontal plate 11, so that after the battery module is installed in the battery box, the circuits directly connected to the battery module can be arranged through the U-shaped groove.

[0031] The transverse plate 11 and the side plate 12 are both made of Cr12MoV steel. Cr12MoV steel has good toughness. The blocking piece body 10 is made of Cr12MoV steel to prevent the blocking piece body 10 from being deformed during use.

[0032] Example 2

[0033] See also Figure 1-Figure 4 This embodiment provides a technical solution: a molding process of a limit blocking piece of a new energy electric box, comprising the following steps:

[0034] Step 1: Select Cr12MoV steel as the raw material of the barrier plate body 10, and cut the Cr12MoV steel according to the width of the two side plates 12 and the cross plate 11;

[0035] Step 2, cutting the limiting groove 15 at the center of both ends of the Cr12MoV steel;

[0036] Step 3, then according to the width of the side plate 12, use a bending machine to bend the side plate 12 on both sides of the Cr12MoV steel, and form a horizontal plate 11 perpendicular to the side plates 12 in the middle;

[0037] Step 4, heating the bent barrier sheet body 10 to 1100-1130°C, keeping the temperature for 0.5-1h, cooling the barrier sheet body 10 to room temperature after being taken out of the furnace, and then tempering the barrier sheet body 10 at 650-700°C twice, each time for 0.5-1h, and cooling it with the furnace;

[0038] Step 5, then perform final quenching and tempering treatment on the barrier sheet body 10, quench at 1030°C and then oil cool, reheat the quenched barrier sheet body 10 to 400-500°C, keep the temperature for 1-2h, and then air cool to room temperature after being taken out of the furnace;

[0039] Step 6: After the blocking piece body 10 is heat treated, a reinforcing rib 14 is welded along the length direction at the joint between the transverse plate 11 and the side plate 12 to obtain the new energy electric box limit blocking piece.

[0040] In summary, multiple heat treatment methods can improve the martensitic structure of the barrier sheet body 10, refine the network carbide, and improve the impact toughness of the barrier sheet body 10. This makes the barrier sheet body 10 have higher hardness and good wear resistance, thereby improving the overall performance of the barrier sheet body 10 and effectively preventing the barrier sheet body 10 from breaking due to bending.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy electric box limit blocking piece, comprising a blocking piece body (10), characterized in that: The blocking plate body (10) comprises a transverse plate (11) and side plates (12) located on both sides of the transverse plate (11); two side plates (12) are provided, and the two side plates (12) are respectively provided on both sides of the transverse plate (11); the transverse plate (11) and the side plates (12) are in an integrated structure; a reinforcing rib (14) is provided at the joint between the side plates (12) and the transverse plate (11); and limiting grooves (15) are provided at both ends of the transverse plate (11).

2. A new energy electric box limit blocking piece according to claim 1, characterized in that: The two side panels (12) are arranged in parallel.

3. A new energy electric box limit blocking piece according to claim 1, characterized in that: The side panels (12) and the transverse panel (11) are arranged vertically.

4. A new energy electric box limit blocking piece according to claim 1, characterized in that: A U-shaped groove (13) is formed between the two side plates (12) and the transverse plate (11).

5. The new energy electric box limit blocking piece according to claim 1 is characterized in that: The transverse plate (11) and the side plate (12) are both made of Cr12MoV steel.

6. A molding process for a limit blocking piece of a new energy electric box, characterized in that: The following steps are involved: Step 1, selecting Cr12MoV steel as the raw material of the barrier plate body, and cutting the Cr12MoV steel according to the width of the two side plates and the cross plate; Step 2: Cut the limit grooves at the center of both ends of the Cr12MoV steel; Step 3: Then, according to the width of the side panels, a bending machine is used to bend the side panels on both sides of the Cr12MoV steel, and a horizontal plate perpendicular to the side panels is formed in the middle of the two side panels; Step 4, heating the bent barrier sheet body to 1100-1130°C, keeping the temperature for 0.5-1h, cooling the barrier sheet body to room temperature after being taken out of the furnace, and then tempering the barrier sheet body at 650-700°C for 2 times, each time for 0.5-1h, and cooling it with the furnace; Step 5, then perform final quenching and tempering treatment on the barrier sheet body, quench at 1030°C and then oil cool, reheat the quenched barrier sheet body to 400-500°C, keep warm for 1-2h, and then air cool to room temperature after being taken out of the furnace; Step 6: After the blocking piece body is heat treated, reinforcing ribs are welded along the length direction at the joint between the transverse plate and the side plate to obtain the new energy electric box limit blocking piece.

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