Stamping die assembly for new energy automobile battery box

Abstract

The utility model discloses a new energy automobile battery box stamping die assembly in the technical field of dies, which comprises a bottom die and a top die, the top of the bottom die is provided with a forming cavity, a plurality of adjusting blocks are arranged inside the forming cavity, the side walls of the plurality of adjusting blocks are provided with inner cavities, the inner walls of the plurality of inner cavities are provided with inner threaded holes in a penetrating manner, and the inner threaded holes are communicated with the bottom die. The inner walls of the multiple inner threaded holes are in threaded connection with inner hole bolts. The top die and the bottom die are used in cooperation, the top die and hydraulic equipment for stamping are connected through the fixing columns, then the forming block and the forming cavity are used in cooperation, stamping forming operation is carried out on the battery shell, the size of the interior of the forming cavity can be adjusted through the adjusting block while stamping forming operation is carried out, and the size of the interior of the forming cavity can be adjusted through the adjusting block while stamping forming is carried out. And the top die and the bottom die are positioned through the positioning columns and the positioning holes, so that position deviation during punch forming is avoided, the punch forming accuracy is improved, and meanwhile, the use flexibility of the punching die is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a stamping mold assembly for a battery box of a new energy vehicle. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts.

[0003] A tool that makes the blank into a product with a specific shape and size under the action of external force. It is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and compression or injection molding of engineering plastics, rubber, ceramics and other products. The mold has a specific contour or inner cavity shape. The use of a contour shape with a cutting edge can make the blank separate (blanking) according to the shape of the contour line. The use of the inner cavity shape can make the blank obtain a corresponding three-dimensional shape. The mold generally consists of a movable mold and a fixed mold (or a punch and a die), which can be separated or combined. When separated, the product is taken out, and when closed, the blank is injected into the mold cavity for forming. The mold is a precision tool with a complex shape. It bears the expansion force of the blank. It has high requirements for structural strength, rigidity, surface hardness, surface roughness and processing accuracy. The development level of mold production is one of the important indicators of the level of mechanical manufacturing.

[0004] When Xingneng Energy automobile batteries are produced, in order to ensure the normal operation of the batteries, the batteries need to be protected by battery casings, and the battery casings are mostly formed in one step by stamping, thereby ensuring the uniform size of the battery casings and facilitating rapid production. However, in the prior art, the internal molding cavities of most stamping molds of battery casings cannot be adjusted according to the required size of the battery casings. In actual use, it is inconvenient to stamp and form battery casings of different sizes. Utility Model Content

[0005] The purpose of the present utility model is to provide a stamping die assembly for a new energy vehicle battery box body. By using the top die and the bottom die in cooperation, and connecting the top die with a hydraulic device for stamping through a fixing column, and then by using the forming block and the forming cavity in cooperation to perform stamping forming operations on the battery shell. While performing the stamping forming operations, the size inside the forming cavity can be adjusted through an adjusting block. While performing stamping forming, the top die and the bottom die are positioned through positioning columns and positioning holes to avoid position deviation during stamping forming, improve the accuracy of stamping forming, and improve the flexibility of use of the stamping die, so as to solve the problem proposed in the above background technology that in the prior art, the internal forming cavities of most stamping dies for battery shells cannot be adjusted according to the required sizes of the battery shells, and it is rather inconvenient to perform stamping forming on battery shells of different sizes during actual use.

[0006] To achieve the above purpose, the present utility model provides the following technical solutions: A stamping die assembly for a new energy vehicle battery box body, including a bottom die and a top die. A forming cavity is opened at the top of the bottom die. A plurality of adjusting blocks are arranged inside the forming cavity. Inner cavities are opened on the side walls of the plurality of adjusting blocks. Inner threaded holes are penetrated through the inner walls of the plurality of inner cavities. Inner hole bolts are threadedly connected to the inner walls of the plurality of inner threaded holes. The plurality of adjusting blocks are detachably connected to the inner wall of the forming cavity through the inner hole bolts.

[0007] As a further solution of the present utility model: Plug blocks are arranged on the inner walls of the plurality of inner cavities. The outer diameter sizes of the plurality of plug blocks are matched with the inner diameter sizes of the inner cavities. The plurality of plug blocks are snap-fitted with the inner cavities.

[0008] As a further solution of the present utility model: A connecting column is arranged at the top of the top die. Connecting flanges are fixedly connected to the outer walls of the top and bottom ends of the connecting column. The bottom of the connecting column is detachably connected to the top of the top die through the connecting flange.

[0009] As a further solution of the present utility model: A forming block is fixedly connected to the top of the top die. The outer diameter size of the forming block is matched with the inner diameter size of the forming cavity.

[0010] As a further solution of the present utility model: A plurality of positioning columns are uniformly and fixedly connected to the top of the bottom die around the forming cavity. Positioning holes are penetrated through the top of the top die that matches the positions of the positioning columns. The plurality of positioning columns are penetrated and connected with the positioning holes.

[0011] As a further solution of the present utility model: Fixed blocks are fixedly connected to the bottoms of both sides of the bottom die. A plurality of fixing bolts are uniformly penetrated and threadedly connected to the tops of the two fixed blocks.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: In the present utility model, the top die and the bottom die are used in cooperation, and the top die is connected to the hydraulic equipment for stamping through the fixing column. Then, through the cooperation of the forming block and the forming cavity, the stamping forming operation of the battery shell is carried out. While carrying out the stamping forming operation, the size inside the forming cavity can be adjusted through the adjusting block. While carrying out the stamping forming, the top die and the bottom die are positioned through the positioning column and the positioning hole, avoiding the deviation of the position during stamping forming, improving the accuracy of stamping forming and at the same time improving the flexibility of use of the stamping die. Brief Description of the Drawings

[0013] Figure 1 is the front view structural schematic diagram of the stamping die assembly for the battery box of a new energy vehicle of the present utility model;

[0014] Figure 2 is the exploded structural schematic diagram of the top die and the bottom die in the stamping die assembly for the battery box of a new energy vehicle of the present utility model;

[0015] Figure 3 is the enlarged structural schematic diagram of the bottom die in the stamping die assembly for the battery box of a new energy vehicle of the present utility model;

[0016] Figure 4 is for the stamping die assembly for the battery box of a new energy vehicle of the present utility model Figure 3 The enlarged structural schematic diagram of the part A in;

[0017] Figure 5 is the bottom structural schematic diagram of the top die in the stamping die assembly for the battery box of a new energy vehicle of the present utility model.

[0018] In the figure: 1, bottom die; 2, top die; 3, connecting column; 4, connecting flange; 5, fixing block; 6, positioning column; 7, positioning hole; 8, forming cavity; 9, adjusting block; 10, inner cavity; 11, internal thread hole; 12, internal hole bolt; 13, plug block; 14, forming block. Detailed Description of the Embodiment

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually of the same type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / ", generally represents an "or" relationship between the associated objects before and after.

[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention 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 of the present invention.

[0022] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "setting" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Please refer to Figures 1 to 5 , in the embodiment of the present utility model, for the stamping die assembly of a new energy vehicle battery box, it includes a bottom die 1 and a top die 2. A forming cavity 8 is opened at the top of the bottom die 1, and a plurality of adjusting blocks 9 are arranged inside the forming cavity 8. Inner cavities 10 are opened on the side walls of the plurality of adjusting blocks 9, inner threaded holes 11 are penetrated through the inner walls of the plurality of inner cavities 10, inner hole bolts 12 are threadedly connected to the inner walls of the plurality of inner threaded holes 11, and the plurality of adjusting blocks 9 are detachably connected to the inner wall of the forming cavity 8 through the inner hole bolts 12.

[0024] Preferably, in this embodiment, the top die 1 and the bottom die 2 are used in cooperation to perform stamping operations on the outer shell of the new energy battery. At the same time, the adjusting block 9 is connected through the inner threaded hole 11 and the inner hole bolt 12, so as to adjust the size of the forming cavity 8, and it is convenient to adjust the size of the forming cavity 8 according to the size of the battery outer shell.

[0025] Blocking blocks 13 are arranged on the inner walls of the plurality of inner cavities 10, the outer diameter dimensions of the plurality of blocking blocks 13 match the inner diameter dimensions of the inner cavities 10, and the plurality of blocking blocks 13 are snap-fitted with the inner cavities 10.

[0026] Preferably, when the adjusting block 9 is connected through the inner hole bolt 12 and the internal thread hole 11, the cavity 10 can be blocked by the blocking block 13 to ensure that the size and shape of the battery case will not be affected during the stamping operation of the battery case.

[0027] A connecting column 3 is provided at the top of the top die 2, and connecting flanges 4 are fixedly connected to the outer walls of the top and bottom ends of the connecting column 3. The bottom of the connecting column 3 is detachably connected to the top of the top die 2 through the connecting flange 4.

[0028] Preferably, in this embodiment, the connecting column 3 can be detachably connected to the working end of the stamping hydraulic press through the connecting flange 4 to complete the stamping operation.

[0029] A forming block 14 is fixedly connected to the top of the top die 2, and the outer diameter dimension of the forming block 14 matches the inner diameter dimension of the forming cavity 8.

[0030] A plurality of positioning columns 6 are uniformly and fixedly connected to the top of the bottom die 1 outside the forming cavity 8. Positioning holes 7 are formed through the top of the top die 2 that match the positions of the positioning columns 6, and the plurality of positioning columns 6 are all connected through the positioning holes 7.

[0031] Fixed blocks 5 are fixedly connected to the bottoms of both sides of the bottom die 1, and a plurality of fixing bolts are uniformly connected through the tops of the two fixed blocks 5 in a threaded manner.

[0032] The working principle of the present utility model is as follows: When using this device, only need to connect the connecting column 3 to the working end of the hydraulic press through the connecting flange 4 to complete the connection of the top die 2, then connect the bottom die 1 through the fixed block 5 and the fixing bolts, then select an appropriate number of adjusting blocks 9 according to the size of the battery case, and connect the adjusting blocks 9 into the forming cavity 8 through the inner hole bolts 12, place the stamping raw material between the top die 2 and the bottom die 1, start the hydraulic press, drive the top die 2 to move, and complete the stamping and forming operation of the battery case through the forming block 14 and the forming cavity 8.

[0033] It should be noted that in this text, the terms "including", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device including a series of elements not only includes those elements but also other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the presence of additional identical elements in the process, method, article or device including such element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions in a substantially simultaneous manner or in the reverse order according to the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0034] The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them fall within the protection scope of the present application.

Claims

1. A stamping die assembly for a new energy vehicle battery box, comprising a bottom die (1) and a top die (2), characterized in that: A forming cavity (8) is provided at the top of the bottom mold (1). A plurality of adjusting blocks (9) are arranged inside the forming cavity (8). Inner cavities (10) are provided on the side walls of the plurality of adjusting blocks (9). Inner threaded holes (11) are penetrated and provided on the inner walls of the plurality of inner cavities (10). Inner hole bolts (12) are threadedly connected to the inner walls of the plurality of inner threaded holes (11). The plurality of adjusting blocks (9) are detachably connected to the inner wall of the forming cavity (8) through the inner hole bolts (12).

2. The stamping die assembly for the new energy vehicle battery box according to claim 1, characterized in that: Blocking blocks (13) are arranged on the inner walls of the plurality of inner cavities (10). The outer diameter dimensions of the plurality of blocking blocks (13) are matched with the inner diameter dimensions of the inner cavities (10). The plurality of blocking blocks (13) are snap-fitted with the inner cavities (10).

3. The stamping die assembly for a new energy vehicle battery box according to claim 1, characterized in that: A connecting column (3) is provided at the top of the top mold (2). Connecting flanges (4) are fixedly connected to the outer walls of the top and bottom ends of the connecting column (3). The bottom of the connecting column (3) is detachably connected to the top of the top mold (2) through the connecting flange (4).

4. The stamping die assembly for a new energy vehicle battery box according to claim 1, wherein: A forming block (14) is fixedly connected to the top of the top mold (2). The outer diameter dimension of the forming block (14) is matched with the inner diameter dimension of the forming cavity (8).

5. The stamping die assembly for a new energy vehicle battery box according to claim 1, characterized in that: A plurality of positioning columns (6) are uniformly and fixedly connected to the top of the bottom mold (1) around the forming cavity (8). Positioning holes (7) are penetrated and provided at the top of the top mold (2) that are matched with the positions of the positioning columns (6). The plurality of positioning columns (6) are all connected through the positioning holes (7).

6. The stamping die assembly for a new energy vehicle battery box according to claim 1, characterized in that: Fixed blocks (5) are fixedly connected to the bottoms of both sides of the bottom mold (1). A plurality of fixing bolts are uniformly penetrated and threadedly connected to the tops of the two fixed blocks (5).

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