Battery shell forming equipment

Abstract

The utility model discloses battery shell forming equipment which comprises a forming base, a forming power frame and a forming convex block, a forming groove is formed in the forming base; a punch forming base matched with the forming power frame is arranged in the middle of the forming power frame, and forming adjusting structures are arranged at the bottom end of the punch forming base and in the forming groove. The forming protruding block is located between the forming base and the forming power frame, and the forming base and the forming power frame are each provided with a pre-impact structure matched with the forming protruding block. By adopting the forming convex block with a replaceable structure, the forming convex block can be flexibly replaced according to different shapes and sizes of the battery shells, so that adaptation to various battery shells is realized, the requirement of frequently replacing a mold is reduced, the production cost is reduced, the forming convex block is of a modular structure design, the damage of equipment under high stamping load can be effectively avoided, and the production efficiency is improved. The stability of the equipment is improved, the service life of the equipment is prolonged, the maintenance cost and dependence on a plurality of special molds are reduced, and the use and maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery shell processing equipment technical field especially relates to a battery shell forming equipment. BACKGROUND

[0002] With the continuous development of battery technology, the forming process of battery shell plays a vital role in the quality and safety of battery. The battery shell forming equipment usually adopts single die to form, and the stamping forming is carried out through punch and die cavity structure, but it is often difficult to adapt to battery shells of different sizes and shapes, resulting in frequent replacement of molds in the production process, increased production cost and equipment maintenance difficulty, and the battery shell plate cannot be continuously adjusted and controlled in the forming process. The final shape and protruding block stamping mode of the existing battery shell forming equipment has certain adjustment function, but when dealing with different specifications of battery shell, it still faces the problems of frequent mold replacement and poor equipment compatibility, especially when dealing with battery shells of different shapes and sizes, it lacks sufficient adaptability. SUMMARY

[0003] The utility model discloses a battery shell forming equipment to solve the defects in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A battery shell forming equipment, comprising a forming base, a forming power frame and a forming protruding block;

[0006] The forming base is internally provided with a forming groove;

[0007] The middle position of the forming power frame is provided with a stamping forming seat matched therewith, and the bottom end of the stamping forming seat and the inside of the forming groove are both provided with a forming adjustment structure;

[0008] The forming protruding block is located between the forming base and the forming power frame, and the forming base and the forming power frame are both provided with a pre-impact structure matched with the forming protruding block.

[0009] Further, the forming protruding block is of rectangular structure or circular structure, and both ends of the forming protruding block are provided with mounting protruding blocks matched with the pre-impact structure.

[0010] Further, the forming adjustment structure comprises symmetrically distributed forming plates, and the bottom end of the forming plate is provided with a plurality of adjusting forming top rods matched with the forming groove and the forming base.

[0011] Further, the end of the adjusting forming ejector pin away from the forming plate is provided with a regulating connecting plate, one side of the regulating connecting plate is provided with a spring buffer layer, the regulating connecting plate controls the initial ejecting height of the adjusting forming ejector pin through a hydraulic structure, and the surface inclination angle of the forming plate is controlled.

[0012] Further, the middle position of the forming groove is provided with a shaping strip, the shaping strip is located between two forming plates, a plurality of telescopic rods are arranged on the shaping strip, the telescopic rods are in a static extension state, and a friction limiting plate is arranged on the side of the shaping strip away from the telescopic rods.

[0013] Further, the pre-impact structure comprises an impact fixing frame, the impact fixing frame is a C-shaped structure, a clamping groove matched with the mounting protrusion is formed in the impact fixing frame, and a telescopic ejector pin matched with the impact fixing frame and the forming base is arranged on the impact fixing frame.

[0014] Further, the clamping groove is a plurality of V-shaped grooves, the V-shaped grooves are distributed in a stepped manner, and the openings of two V-shaped grooves are opposite.

[0015] Further, the telescopic ejector pin is inserted into the inside of the impact fixing frame and the forming base, a plurality of spring rods are arranged on the top of the telescopic ejector pin, a spring is arranged between two spring rods, and a limiting ring for controlling the telescopic distance is arranged on the top rod body of the telescopic ejector pin.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] By adopting the replaceable forming protrusion, different shapes and sizes of battery shells can be replaced flexibly, so that the adaptability to various battery shells is realized, the need for frequent replacement of molds is reduced, the production cost is reduced, the forming protrusion is designed in a modular structure, the position of the stamping deformation contact plate material can be flexibly adjusted, the deformation process of the plate material can be controlled according to different forming environments, the elastic deformation of the material is effectively controlled, the size consistency and forming quality of the shell are improved, through the impact forming seat and the adjustable forming structure, the damage of the equipment under high stamping load can be effectively avoided, the stability and service life of the equipment are improved, the maintenance cost and the dependence on multiple special molds are reduced, and the use and maintenance costs are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, together with the embodiments of the utility model, for explaining the utility model, and do not constitute a limitation on the utility model.

[0019] Figure 1 The whole structure schematic diagram of the battery shell forming equipment is provided by the utility model.

[0020] Figure 2 The adjusting schematic diagram of the forming plate of the battery shell forming equipment is provided by the utility model.

[0021] Figure 3 The down-pressing action schematic diagram of the battery shell forming equipment is provided by the utility model.

[0022] Figure 4 The schematic diagram of the forming adjusting structure of the battery shell forming equipment is provided by the utility model.

[0023] In the figure: 100, forming base; 101, forming groove; 200, forming power frame; 201, stamping forming seat; 300, forming protruding block; 301, mounting protruding block; 400, forming adjusting structure; 401, forming plate; 402, adjusting forming top rod; 403, regulation connecting plate; 404, spring buffer; 500, pre-impact structure; 501, impact fixing frame; 502, clamping groove; 503, telescopic top rod; 504, spring rod; 505, limiting ring; 600, shaping strip; 601, telescopic rod; 602, friction limiting plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0026] Embodiment 1: refer to Figures 1-4 The battery shell forming equipment comprises a forming base 100, a forming power frame 200 and a forming protruding block 300.

[0027] The forming base 100 is internally provided with a forming groove 101;

[0028] The middle position of the forming power frame 200 is provided with a stamping forming seat 201 matched therewith, and the bottom end of the stamping forming seat 201 and the inside of the forming groove 101 are both provided with a forming adjusting structure 400;

[0029] The forming block 300 is located between the forming base 100 and the forming power frame 200, and the forming base 100 and the forming power frame 200 are provided with pre-impact structures 500 matched with the forming block 300.

[0030] The forming block 300 is replaced in shape and size according to the forming requirements of the battery shell, and the forming block 300 is a rectangular structure or a circular structure, and both ends of the forming block 300 are provided with mounting blocks 301 matched with the pre-impact structures 500.

[0031] The forming adjustment structure 400 comprises symmetrically distributed forming plates 401, the bottom end of the forming plate 401 is provided with a plurality of adjusting forming top rods 402 matched with the forming groove 101 and the forming base 100, the end of the adjusting forming top rod 402 away from the forming plate 401 is provided with a regulating connecting plate 403, one side of the regulating connecting plate 403 is provided with a spring buffer layer 404, and the regulating connecting plate 403 controls the initial ejection height of the adjusting forming top rod 402 through a hydraulic structure, so as to control the surface inclination angle of the forming plate 401.

[0032] The middle position of the forming groove 101 is provided with a shaping strip 600, the shaping strip 600 is located between two forming plates 401, a plurality of telescopic rods 601 are arranged on the shaping strip 600, the telescopic rods 601 are statically kept in the extended state, the maximum contraction distance of the telescopic rods 601 is the maximum stamping stroke, one side of the shaping strip 600 away from the telescopic rods 601 is provided with a friction limiting plate 602, and the friction limiting plate 602 is the same in size as the shaping strip 600.

[0033] From the above design, it is not difficult to see that the forming groove 101 is used as a cavity structure for forming the shell, and in specific implementation, the size of the shell and the plate material is adjusted; the impact forming seat is provided with a stamping power by the forming power frame 200, and sufficient forming stamping force is generated, the forming protrusion 300 is a movable protrusion for matching the plate material forming, the forming protrusion 300 is matched with the pre-impact structure 500 through the installation protrusion 301 at both ends to fix the position and angle, when the battery rectangular shell is formed, the edge and corner of the forming protrusion 300 faces downward, and is diamond-shaped, and the two forming plates 401 in the forming adjustment structure 400 are matched to form a clamping angle, along with the downward pressing of the impact forming seat, the pre-impact structure 500 will first fix the forming protrusion 300, and drive the forming protrusion 300 to press downward, after the forming protrusion 300 contacts the surface of the plate material, the plate material is deformed downward, and before the bottom forming plate 401 and the forming groove 101 are deformed, the shaping strip 600 is contacted in advance to provide a stamping clamping fixing Li, fix the position of the plate material, prevent the plate material from being offset in the subsequent downward pressing process, until the plate material completely adheres to the forming plate 401, the plate material will move and deform together with the forming plate 401, realize the material flow rate partition control, avoid the corner cracking in deep drawing, and because of the buffering effect of the spring buffer layer 404, within the elastic stroke of the spring buffer layer 404, the plate material will be deformed for the first time, the material elastic deformation is offset through the controllable friction force, the shell size consistency is improved, until the maximum stroke is reached, the plate material is completely deformed and adheres to the impact forming seat at the top, the plate material forming is completed, the equipment is reset and the plate material is demolded from the forming groove 101, and at the same time, multiple battery shell specifications can be compatible, and the mold cost is reduced.

[0034] Example 2: Refer to Figures 1-4On the basis of embodiment 1, the pre-impact structure 500 comprises an impact fixing frame 501, the impact fixing frame 501 is a C-shaped structure, the impact fixing frame 501 is provided with a clamping groove 502 matched with the mounting protrusion 301, and the impact fixing frame 501 is provided with a telescopic ejector rod 503 matched with the impact fixing frame 501 and the shaped base 100. The clamping groove 502 is a plurality of V-shaped grooves, the V-shaped grooves are distributed in steps, the openings of two V-shaped grooves are opposite, the telescopic ejector rod 503 is inserted into the inside of the impact fixing frame 501 and the shaped base 100, the top of the telescopic ejector rod 503 is provided with a plurality of spring rods 504, a spring is arranged between two spring rods 504, and the top rod body of the telescopic ejector rod 503 is provided with a limiting ring 505 for controlling the telescopic distance. As can be seen from the above design, the mounting protrusion 301 is a rectangular structure and is a separable mounting structure with the shaped protrusion 300, the mounting protrusion 301 can adjust and control the distance of extending out of the shaped protrusion 300, thereby facilitating cooperation with the fixing frame, the V-shaped clamping groove 502 structure can cooperate with mounting protrusions 301 of different sizes to prevent displacement of the mounting protrusion 301, and can replace mounting protrusions 301 of different sizes according to different shaping needs, so as to ensure the processing requirements.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A battery case molding apparatus characterized by comprising: The molding base (100), the molding power frame (200) and the molding convex block (300) are included. The inside of the molding base (100) is provided with a molding groove (101). The middle position of the molding power frame (200) is provided with a stamping molding seat (201) matched therewith, and the bottom end of the stamping molding seat (201) and the inside of the molding groove (101) are both provided with a molding adjusting structure (400). The molding convex block (300) is located between the molding base (100) and the molding power frame (200), and the molding base (100) and the molding power frame (200) are both provided with a pre-impact structure (500) matched with the molding convex block (300).

2. The battery case molding apparatus according to claim 1, wherein The molding convex block (300) is of rectangular structure or circular structure, and both ends of the molding convex block (300) are provided with mounting convex blocks (301) matched with the pre-impact structure (500).

3. The battery case molding apparatus according to claim 2, wherein The molding adjusting structure (400) includes symmetrically distributed molding plates (401), and the bottom end of the molding plate (401) is provided with a plurality of adjusting molding top rods (402) matched with the molding groove (101) and the molding base (100).

4. The battery case molding apparatus according to claim 3, wherein The end of the adjusting molding top rod (402) away from the molding plate (401) is provided with a regulation connecting plate (403), one side of the regulation connecting plate (403) is provided with a spring buffer layer (404), and the regulation connecting plate (403) controls the initial ejection height of the adjusting molding top rod (402) through a hydraulic structure, so as to control the surface inclination angle of the molding plate (401).

5. The battery case molding apparatus according to claim 4, wherein The middle position of the molding groove (101) is provided with a shaping strip (600), the shaping strip (600) is located between two molding plates (401), a plurality of telescopic rods (601) are arranged on the shaping strip (600), the telescopic rods (601) are in a static state of extension, one side of the shaping strip (600) away from the telescopic rods (601) is provided with a friction limiting plate (602), and the friction limiting plate (602) has the same size as the shaping strip (600).

6. The battery case molding apparatus according to claim 5, wherein The pre-impact structure (500) includes an impact fixing frame (501), the impact fixing frame (501) is of C-shaped structure, the impact fixing frame (501) is provided with clamping grooves (502) matched with the mounting convex blocks (301), and the impact fixing frame (501) is provided with telescopic top rods (503) matched with the impact fixing frame (501) and the molding base (100).

7. The battery case molding apparatus according to claim 6, wherein The clamping grooves (502) are a plurality of V-shaped grooves, the V-shaped grooves are in a stepped distribution, and the openings of two V-shaped grooves are opposite.

8. The battery case molding apparatus according to claim 7, wherein The telescopic top rods (503) are inserted into the inside of the impact fixing frame (501) and the molding base (100), the top of the telescopic top rod (503) is composed of a plurality of spring rods (504), a spring is arranged between two spring rods (504), and a limiting ring (505) for controlling the telescopic distance is arranged on the top rod body of the telescopic top rod (503).

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