Stamping die for producing lithium battery shell

Abstract

The utility model relates to the field of lithium battery shell production, and discloses a stamping die for producing a lithium battery shell, which comprises a stamping table, a stamping device used for stamping a plate is arranged above the stamping table, a female die is arranged on the top side of the stamping table, a male die is arranged on the bottom side of the stamping device, and the male die is arranged on the top side of the stamping table. A plurality of fixing plates are fixedly connected to the outer wall of the female die and the outer wall of the male die, bolts are arranged in the fixing plates, gaskets are fixedly connected to the outer walls of the bolts, and anti-loosening assemblies used for preventing the bolts from loosening are arranged on the bottom side of the stamping equipment and the top side of the stamping table. Durable assemblies used for prolonging the service life are arranged in the female die and the male die. According to the stamping die, the bolt cannot be loosened, the installation stability of the stamping die is further improved, the stamping die is not prone to falling off, the influence of high temperature generated by stamping on the stamping die is reduced, and therefore the service life of the stamping die is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the lithium battery shell production field especially relates to a stamping die of production lithium battery shell. BACKGROUND

[0002] Lithium battery shell production is a precise and key manufacturing process. First, according to the design specifications and performance requirements of lithium batteries, the precise size, shape and special structure design of the shell are determined, such as special-shaped holes, reinforcing ribs, etc. Then select the appropriate metal plate, such as aluminum alloy, etc. Through high-precision stamping die, with the help of powerful pressure of stamping equipment, the plate is plastically deformed under the action of the punch and the concave die of the die, and gradually formed into a lithium battery shell that meets the requirements after multiple stamping processes. During the entire production process, the precision, strength, durability and cooling, lubrication systems of the die are highly required to ensure the high quality output of the shell.

[0003] The current stamping die of lithium battery shell is usually installed on the stamping table and stamping equipment by bolts, but during the long stamping process, the bolts are often loose and eventually fall off, causing the stamping die to easily fall off, low stability, and the current stamping die is prone to high temperature during stamping. These high temperatures will have some impact on the service life of the stamping die, resulting in a decrease in its service life.

[0004] To this end, in view of the technical problem, the present application proposes a stamping die for producing lithium battery shell. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and proposes a stamping die for producing lithium battery shell, which aims to prevent the bolts from loosening, further improve the stability of the stamping die installation, prevent it from falling off, and reduce the impact of high temperature generated during stamping on the stamping die, thereby improving its service life.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A stamping die for producing lithium battery shell, comprising a stamping table, a stamping device for stamping the plate is arranged above the stamping table, a concave die is arranged on the top side of the stamping table, a punch is arranged on the bottom side of the stamping device, the outer wall of the concave die and the punch is fixedly connected with a plurality of fixed plates, the inside of the fixed plate is provided with a bolt, the outer wall of the bolt is fixedly connected with a gasket, the bottom side of the stamping device and the top side of the stamping table are provided with an anti-loosening assembly for preventing the bolt from loosening, the inside of the concave die and the punch is provided with a durable assembly for improving the service life.

[0008] Further, the anti-loosening assembly comprises four metal rods fixedly connected to the bottom side of the stamping equipment and the top side of the stamping table, and the end portions of the metal rods are fixedly connected with metal plates, and one side of the metal plate is fixedly connected with a fixed tube.

[0009] Further, the inside of the fixed tube is slidably connected with a fixed rod, the outer wall of the fixed rod is fixedly connected with a limiting strip, the limiting strip is slidably connected in the inside of the fixed tube, and the fixed rod and the limiting strip penetrate through the middle portion of the gasket.

[0010] Further, the inside of the fixed rod is threadedly connected with a threaded rod, one end of the fixed tube is rotatably connected with a handle, and one end of the threaded rod is rotatably connected to one end of the fixed tube, and one end of the threaded rod is fixedly connected in the inside of the handle.

[0011] Further, the durable assembly comprises a cavity formed in the inside of the concave die and the convex die, a plurality of flow guide plates are fixedly connected in the inside of the cavity, and a plurality of reinforcing ribs are fixedly connected in the inside of the cavity.

[0012] Further, the outer walls of the concave die and the convex die are fixedly connected with two hoses, and the two hoses are mirror-symmetrically distributed.

[0013] Further, one end of the hose is connected in the inside of the cavity, and the other end of the hose is connected with a water circulating device.

[0014] The utility model has the following beneficial effects:

[0015] 1、in the utility model, the fixed rod is driven by the threaded rod to slide in the inside of the fixed tube, so that the fixed rod and the limiting strip penetrate through the gasket, the bolt cannot be loosened, and the stability of the concave die and the convex die is further improved, so that they are not easy to fall off.

[0016] 2、in the utility model, the cooling water is delivered into the cavity by the hose, and flows in the flow path formed by the flow guide plate, so that the surface of the concave die and the convex die is cooled by the cooling water, the influence of the high temperature generated by stamping on the concave die and the convex die is reduced, and the service life is improved by cooperating with the reinforcing rib. DRAWINGS

[0017] Figure 1 a perspective view of a stamping die for producing a lithium battery shell is provided for the utility model;

[0018] Figure 2 for Figure 1 a perspective view of the utility model is provided for the stamping die for producing a lithium battery shell;

[0019] Figure 3 a bottom view of a stamping die for producing a lithium battery shell is provided for the utility model;

[0020] Figure 4 A convex die internal structure schematic view of a stamping die for producing a lithium battery shell is provided in the utility model.

[0021] Figure 5 A concave die internal structure schematic view of a stamping die for producing a lithium battery shell is provided in the utility model.

[0022] Figure 6 A fixed pipe internal structure schematic view of a stamping die for producing a lithium battery shell is provided in the utility model.

[0023] Legend:

[0024] 1, stamping equipment; 2, stamping table; 3, concave die; 4, fixed plate; 5, bolt; 6, metal rod; 7, metal plate; 8, fixed pipe; 9, fixed rod; 10, gasket; 11, convex die; 12, handle; 13, guide plate; 14, reinforcing rib; 15, hose; 16, limiting strip; 17, threaded rod. Specific implementation

[0025] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Reference Figures 1-3 The utility model provides an embodiment: a stamping die for producing a lithium battery shell, including stamping table 2, the top of stamping table 2 is provided with the stamping equipment 1 for carrying out stamping to plate material, the stamping equipment adopts the conventional technical means in prior art to carry out stamping treatment to lithium battery shell, the top side of stamping table 2 is provided with concave die 3, the bottom side of stamping equipment 1 is provided with convex die 11, and the plate material is formed by stamping through the mutual cooperation of concave die 3 and convex die 11, the outer wall of concave die 3 and convex die 11 is fixedly connected with a plurality of fixed plates 4, the inside of fixed plate 4 is provided with bolt 5, the outer wall of bolt 5 is fixedly connected with gasket 10, and the concave die 3 and the convex die 11 are installed on the stamping table 2 and the stamping equipment 1 respectively by passing bolt 5 through gasket 10 and driving it into stamping equipment 1 and stamping table 2, reference Figure 2 and Figure 6The bottom side of the stamping equipment 1 and the top side of the stamping table 2 are fixedly connected with four metal rods 6, the end of the metal rod 6 is fixedly connected with a metal plate 7, one side of the metal plate 7 is fixedly connected with a fixed tube 8, the inside of the fixed tube 8 is slidably connected with a fixed rod 9, the outer wall of the fixed rod 9 is fixedly connected with a limiting strip 16, the limiting strip 16 is slidably connected in the inside of the fixed tube 8, the fixed rod 9 and the limiting strip 16 penetrate the middle part of the gasket 10, the inside of the fixed rod 9 is threadedly connected with a threaded rod 17, the fixed rod 9 is driven to slide through the threaded rod 17, so that the fixed rod 9 and the limiting strip 16 are inserted into the middle part of the gasket 10 to fix the bolt 5, one end of the fixed tube 8 is rotatably connected with a handle 12, one end of the threaded rod 17 is rotatably connected with one end of the fixed tube 8, and one end of the threaded rod 17 is fixedly connected in the inside of the handle 12, the threaded rod 17 is rotated through the handle 12.

[0027] With reference to Figure 4 and Figure 5 The inside of the concave die 3 and the convex die 11 is provided with a cavity, a plurality of guide plates 13 are fixedly connected in the cavity, the cooling water flows in the concave die 3 and the convex die 11 through the cavity, and the flow path of the cooling water is formed through the guide plates 13, a plurality of reinforcing ribs 14 are fixedly connected in the cavity, the strength of the concave die 3 and the convex die 11 is not greatly affected even if the cavity is provided through the plurality of reinforcing ribs 14, the outer wall of the concave die 3 and the convex die 11 is fixedly connected with two hoses 15, the two hoses 15 are mirror image distributed, one end of the hose 15 is connected in the inside of the cavity, the other end of the hose 15 is connected with a water circulating equipment, the cooling water is delivered into the hose 15 on one side through the water circulating equipment connected outside, and then the cooling water will be returned to the water circulating equipment from the hose 15 on the other side.

[0028] Working principle: first, the concave die 3 and male die 11 are placed on the stamping table 2 and the stamping equipment 1 respectively, then the bolt 5 is screwed into the fixed plate 4 and the bolt 5 is passed through the stamping table 2 and the stamping equipment 1, then the handle 12 is rotated to rotate the threaded rod 17, so that the fixed rod 9 slides under the driving of the threaded rod 17 and the limitation of the limiting strip 16, and then the fixed rod 9 and the limiting strip 16 pass through the gasket 10, so that the bolt 5 cannot be loosened, further improving the stability of the installation of the concave die 3 and the male die 11, then the water circulation equipment is connected to the hose 15, then the plate is placed on the concave die 3, then the stamping equipment 1 is started to drive the male die 11 to move downward to impact on the plate, under the limitation of the concave die 3, the plate will be impacted into a shell with an internal recess, and the plate will be stamped into the shape of a lithium battery shell, during the use of the concave die 3 and the male die 11, the water circulation equipment is used to deliver cooling water to the hose 15 on one side, the cooling water will enter the cavity and flow in the flow path formed by the deflector 13 in the cavity, so as to cool the surface of the concave die 3 and the male die 11, improve the cooling effect of the concave die 3 and the male die 11, reduce the influence of high temperature generated by stamping on it, thereby improving its service life, then the cooling water will flow back to the water circulation equipment from the hose 15 on the other side for recycling.

[0029] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A press die for producing a lithium battery case, characterized by: The utility model provides a stamping device and stamping platform, and the utility model discloses a stamping device and stamping platform, which can prevent the bolt from loosening and improve the service life.

2. The punch press die for producing a lithium battery case according to claim 1, wherein: The anti-loosening assembly comprises four metal rods (6) fixedly connected to the bottom side of the stamping device (1) and the top side of the stamping platform (2), the end of the metal rod (6) is fixedly connected with a metal plate (7), and one side of the metal plate (7) is fixedly connected with a fixing tube (8).

3. The stamping die for producing a lithium battery case according to claim 2, characterized by: The fixing tube (8) is internally and slidably connected with a fixing rod (9), the outer wall of the fixing rod (9) is fixedly connected with a limiting strip (16), the limiting strip (16) is slidably connected in the fixing tube (8), and the fixing rod (9) and the limiting strip (16) penetrate through the middle portion of the gasket (10).

4. The stamping die for producing a lithium battery case according to claim 3, wherein: The inner portion of the fixing rod (9) is threadedly connected with a threaded rod (17), one end of the fixing tube (8) is rotatably connected with a handle (12), one end of the threaded rod (17) is rotatably connected to one end of the fixing tube (8), and one end of the threaded rod (17) is fixedly connected in the handle (12).

5. The stamping die for producing a lithium battery case according to claim 1, wherein: The durable assembly comprises a cavity formed in the inner portion of the concave die (3) and the convex die (11), a plurality of guide plates (13) are fixedly connected in the cavity, and a plurality of reinforcing ribs (14) are fixedly connected in the cavity.

6. The stamping die for producing a lithium battery case according to claim 5, wherein: The outer wall of the concave die (3) and the convex die (11) is fixedly connected with two hoses (15), and the two hoses (15) are mirror image distributed.

7. The stamping die for producing a lithium battery case according to claim 6, wherein: One end of the hose (15) is connected in the cavity, and the other end of the hose (15) is externally connected with a water circulating device.

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