Battery box cover forming die

By adopting the arc molding surface and magnet guide structure with high middle and low sides in the battery box cover molding mold, the problem of four corner deformation during the battery box cover molding is solved, and higher dimensional accuracy and molding quality are achieved.

CN222309557UActive Publication Date: 2025-01-07SUZHOU LILAI AUTO PARTS
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Patent Information

Application Number
CN202421102769.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-01-07
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

The existing battery box cover has four corner deformation when forming in the mold, which affects the dimensional accuracy.

Method used

Design a battery box cover mold, adopting a mold forming assembly between the upper mold seat and the lower mold seat, including the upper and lower mold dies. The mold forming surface is an arc-shaped structure with high middle and low sides, and the mold is in the mold. The upper mold guide block, the lower mold guide block, the guide column, the clamp and the positioning groove are provided inside, and precise docking is achieved through structures such as magnet blocks and slots to control the shape of the mold forming surface.

Benefits of technology

Effectively suppress the deformation of the battery box cover when forming in the mold, improves the dimensional control accuracy, and ensures the molding quality of the battery box cover.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222309557U_ABST
    Figure CN222309557U_ABST
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Abstract

The utility model relates to a battery box cover forming die which sequentially comprises an upper die base and a lower die base from top to bottom, and a die forming assembly is arranged between the upper die base and the lower die base. An upper mold cavity is formed in the inner side of the bottom of the upper mold base, a lower mold cavity is formed in the inner side of the top of the lower mold base, the mold forming assembly sequentially comprises an upper male mold and a lower male mold from top to bottom, the upper male mold is installed in the upper mold cavity, and the lower male mold is installed in the lower mold cavity; the die forming face between the upper male die and the lower male die is of an arc-shaped structure with the high middle and the two low sides. Due to the fact that the die forming face between the upper male die and the lower male die is of the arc-shaped structure with the high middle and the two low sides, the problem that a battery box cover deforms when being formed in the die can be effectively solved, and the size precision is controlled.
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Description

Technical Field

[0001] The utility model relates to the technical field related to battery box cover processing, in particular to a battery box cover forming die. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as a power source (or use conventional vehicle fuels and adopt new vehicle power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. Among them, electric energy vehicles mainly rely on electricity as energy to operate, and the battery box is the main body of the new energy vehicle battery, and the battery box cover is the external structural component of the TV box.

[0003] After a massive search, it was found that the prior art announcement number is CN219926983U, which discloses a battery box cover compression molding die; it includes a lower die seat and an upper die seat, the upper die seat can be above the lower die seat and move up and down relative to the lower die seat to complete the mold closing or mold opening; the upper surface of the lower die seat is provided with a lower punch, and the lower surface of the upper die seat is provided with an upper die, when the upper die seat moves down relative to the lower die seat to close the mold, the lower punch and the upper die can form a battery box cover; the lower punch and the upper die are both provided with heating channels, and the heating channels are used to input heating media to heat the lower die and the upper punch; the sides of the lower punch and the upper die are provided with inlets and outlets that can be connected to each heating channel, and the inlets and outlets can be connected to the heating device through pipes respectively. Compared with the prior art, the lower punch and the upper die can be heated faster, thereby shortening the heating time and improving the efficiency of the battery box cover compression molding.

[0004] In summary, when the existing battery box cover is formed in the mold, it is found in the CAE simulation analysis that the four corners of the battery box cover will be deformed.

[0005] In view of the above-mentioned defects, the designer actively carried out research and innovation in order to create a battery box cover forming mold to make it more valuable for industrial use. Utility Model Content

[0006] In order to solve any of the above technical problems, the purpose of the utility model is to provide a battery box cover forming mold.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A battery box cover forming die comprises an upper die base and a lower die base from top to bottom, and a die forming assembly is arranged between the upper die base and the lower die base;

[0009] An upper mold cavity is arranged on the inner side of the bottom of the upper mold base, and a lower mold cavity is arranged on the inner side of the top of the lower mold base. The mold forming assembly includes an upper punch and a lower punch from top to bottom, the upper punch is installed in the upper mold cavity, and the lower punch is installed in the lower mold cavity.

[0010] The mold forming surface between the upper punch and the lower punch is set as an arc-shaped structure with a high middle and low two sides.

[0011] As a further improvement of the utility model, upper mold pair blocks protruding downward are provided at the bottom of the upper mold base on the left and right sides of the upper mold cavity, and lower mold pair slots matched with the above-mentioned upper mold pair blocks are provided on the lower mold base directly below the upper mold pair blocks, and the upper mold pair blocks can be inserted into the lower mold pair slots below.

[0012] As a further improvement of the utility model, a plurality of upper die guide blocks are arranged on the upper die pair insert block, and a plurality of lower die guide blocks matched with the above-mentioned upper die guide blocks are arranged in the lower die pair slot.

[0013] As a further improvement of the utility model, the upper die guide block and the lower die guide block are both magnet blocks.

[0014] As a further improvement of the utility model, a plurality of upper mold guide columns are evenly distributed on the bottom of the upper mold base around the outer side of the upper model cavity, and a lower mold guide sleeve adapted to the above-mentioned upper mold guide column is arranged on the lower mold base directly below the upper mold guide column. The upper mold guide column is installed in the lower mold guide sleeve below and can move in the lower mold guide sleeve along the vertical direction.

[0015] As a further improvement of the utility model, a number of upper mold blocks are evenly distributed on the bottom of the upper mold base around the outer side of the upper model cavity, and a lower mold protrusion matched with the above-mentioned upper mold block is arranged on the upper punch directly below the upper mold block, and the upper mold block is snap-connected with the lower mold protrusion directly below.

[0016] As a further improvement of the utility model, a plurality of punch positioning grooves are evenly distributed around the outer side of the upper punch, and a lower die positioning block adapted to the above-mentioned punch positioning groove is provided on the lower die seat directly below the punch positioning groove, and the lower die positioning block can be inserted into the punch positioning groove from bottom to top.

[0017] By means of the above scheme, the utility model has at least the following advantages:

[0018] The utility model can effectively suppress the problem of deformation of the battery box cover during molding in the mold and control the dimensional accuracy by setting the mold molding surface between the upper punch and the lower punch as an arc structure with a high middle and low two sides.

[0019] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of a battery box cover forming mold of the utility model;

[0022] Figure 2 yes Figure 1 Structural diagram of the middle and upper die base;

[0023] Figure 3 yes Figure 2 A partial enlarged schematic diagram of the middle upper die guide column and the upper die clamping block;

[0024] Figure 4 yes Figure 1 Schematic diagram of the structure after removing the upper die base;

[0025] Figure 5 yes Figure 4 A schematic diagram of the structure of the middle mold forming component;

[0026] Figure 6 yes Figure 4 A partial enlarged schematic diagram of the upper punch and the lower die seat;

[0027] Figure 7 yes Figure 5 A front view of

[0028] Figure 8 yes Figure 5 Side view of.

[0029] The meanings of the various reference numerals in the figures are as follows.

[0030] Upper die base 1, lower die base 2, die forming assembly 3;

[0031] Upper mold cavity 11, upper mold plug block 12, upper mold guide block 13, upper mold guide column 14, upper mold clamping block 15;

[0032] Lower mold cavity 21, lower mold pair slot 22, lower mold guide block 23, lower mold guide sleeve 24, lower mold positioning block 25;

[0033] An upper punch 31 , a lower punch 32 , a punch positioning groove 33 , and a lower die protrusion 34 . DETAILED DESCRIPTION

[0034] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0035] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model usually described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but only represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.

[0036] Example

[0037] like Figures 1 to 8 As shown,

[0038] A battery box cover forming die comprises an upper die base 1 and a lower die base 2 from top to bottom, and a die forming assembly 3 is arranged between the upper die base 1 and the lower die base 2.

[0039] First, upper die seat 1:

[0040] An upper model cavity 11 is arranged on the inner side of the bottom of the upper mold base 1, upper mold pair blocks 12 protruding downward are arranged on the bottom of the upper mold base 1 on the left and right sides of the upper model cavity 11, and a plurality of upper mold guide blocks 13 are arranged on the upper mold pair blocks 12, a plurality of upper mold guide columns 14 are evenly distributed on the bottom of the upper mold base 1 around the outer side of the upper model cavity 11, and a plurality of upper mold clamping blocks 15 are evenly distributed on the bottom of the upper mold base 1 around the outer side of the upper model cavity 11.

[0041] Second, lower die seat 2:

[0042] A lower mold cavity 21 is provided on the inner side of the top of the lower mold base 2. A lower mold pair slot 22 matching the upper mold pair insert block 12 is provided on the lower mold base 2 directly below the upper mold pair insert block 12. The upper mold pair insert block 12 can be inserted into the lower mold pair slot 22 below. A plurality of lower mold guide blocks 23 matching the upper mold guide block 13 are provided in the lower mold pair slot 22. A lower mold guide sleeve 24 matching the upper mold guide column 14 is provided on the lower mold base 2 directly below the upper mold guide column 14. The upper mold guide column 14 is installed in the lower mold guide sleeve 24 below and can move in the lower mold guide sleeve 24 along the vertical direction.

[0043] The upper die guide block 13 and the lower die guide block 23 are both magnet blocks, which also have a certain magnetic adsorption function during the guiding process, wherein the above-mentioned magnet blocks can also be electromagnets.

[0044] Third, mold forming component 3:

[0045] The mold forming assembly 3 includes an upper punch 31 and a lower punch 32 from top to bottom. The upper punch 31 is installed in the upper mold cavity 11, and the lower punch 32 is installed in the lower mold cavity 21. Figure 7 and 8 It can be seen that, whether it is a front view or a side view of the mold forming assembly 3, the mold forming surface between the upper punch 31 and the lower punch 32 is an arc-shaped structure with a high middle and low sides.

[0046] A lower die convex block 34 matching the upper die clamping block 15 is provided on the upper die 31 directly below the upper die clamping block 15, and the upper die clamping block 15 is snap-connected with the lower die convex block 34 directly below. A plurality of die positioning grooves 33 are evenly distributed around the outer side of the upper die 31, and a lower die positioning block 25 matching the above-mentioned die positioning groove 33 is provided on the lower die seat 2 directly below the die positioning groove 33, and the lower die positioning block 25 can be inserted into the die positioning groove 33 from bottom to top.

[0047] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implying the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0048] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A battery box cover forming die, comprising, from top to bottom, an upper die base (1) and a lower die base (2), wherein a die forming assembly (3) is arranged between the upper die base (1) and the lower die base (2); Features: An upper mold cavity (11) is arranged on the inner side of the bottom of the upper mold base (1), and a lower mold cavity (21) is arranged on the inner side of the top of the lower mold base (2). The mold forming assembly (3) comprises an upper punch (31) and a lower punch (32) from top to bottom. The upper punch (31) is installed in the upper mold cavity (11), and the lower punch (32) is installed in the lower mold cavity (21). The mold forming surface between the upper punch (31) and the lower punch (32) is an arc-shaped structure with a high middle and low sides.

2. A battery box cover forming mold as claimed in claim 1, characterized in that: An upper die pair plug-in block (12) protruding downward is provided at the bottom of the upper die seat (1) on the left and right sides of the upper mold cavity (11); a lower die pair slot (22) adapted to the upper die pair plug-in block (12) is provided on the lower die seat (2) directly below the upper die pair plug-in block (12); and the upper die pair plug-in block (12) can be inserted into the lower die pair slot (22) below.

3. A battery box cover forming mold as claimed in claim 2, characterized in that: A plurality of upper die guide blocks (13) are arranged on the upper die pair insert block (12), and a plurality of lower die guide blocks (23) adapted to the upper die guide blocks (13) are arranged in the lower die pair slot (22).

4. A battery case cover forming mold as claimed in claim 3, characterized in that: The upper die guide block (13) and the lower die guide block (23) are both magnet blocks.

5. A battery case cover forming mold as claimed in claim 1, characterized in that: A plurality of upper die guide columns (14) are evenly distributed at the bottom of the upper die base (1) around the outer side of the upper mold cavity (11); a lower die guide sleeve (24) adapted to the upper die guide column (14) is provided on the lower die base (2) directly below the upper die guide column (14); the upper die guide column (14) is installed in the lower die guide sleeve (24) below and can move in the lower die guide sleeve (24) along the vertical direction.

6. A battery case cover forming mold as claimed in claim 1, characterized in that: A plurality of upper mold blocks (15) are evenly distributed at the bottom of the upper mold base (1) around the outer side of the upper mold cavity (11); a lower mold convex block (34) adapted to the upper mold block (15) is arranged on the upper punch (31) directly below the upper mold block (15); the upper mold block (15) is snap-connected to the lower mold convex block (34) directly below.

7. A battery case cover forming mold as claimed in claim 1, characterized in that: A plurality of punch positioning grooves (33) are evenly distributed around the outer side of the upper punch (31); a lower die positioning block (25) adapted to the punch positioning groove (33) is arranged on the lower die seat (2) directly below the punch positioning groove (33); and the lower die positioning block (25) can be inserted into the punch positioning groove (33) from bottom to top.

Citation Information

Patent Citations

  • Compression molding die for battery box cover

    CN219926983U