Punching forming die for explosion-proof piece of cylindrical lithium battery cap

Abstract

The utility model discloses a cylindrical lithium battery cap anti-explosion piece punching forming die which comprises a lower die, forming grooves are evenly formed in the lower die, a plug-in die piece is arranged below the lower die, and middle die columns on the plug-in die piece are located in the middles of the interiors of the forming grooves respectively. The lower surface of the lower mold is provided with a mold column positioning piece for limiting the lowest end of the inserting mold piece, the middle of the mold column positioning piece is provided with a mold column jacking piece for jacking the inserting mold piece upwards, the front side and the rear side of the upper surface of the lower mold are each provided with a sliding rail, and a middle sliding mold is arranged between the two sliding rails; the cylindrical lithium battery cap anti-explosion piece punching forming mold is simple in structure, easy and convenient to operate, capable of machining a plurality of workpieces at a time, capable of automatically demolding the workpieces and faster in machining.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof sheets for cylindrical lithium battery caps, in particular to a punching and forming die for explosion-proof sheets for cylindrical lithium battery caps. Background Art

[0002] Lithium battery is a kind of battery that uses lithium metal or lithium alloy as positive and negative electrode materials and non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become mainstream. At present, in the processing of cylindrical lithium battery cap explosion-proof discs, a feeding device is required to transport the raw materials to the stamping machine for stamping and forming. The existing cylindrical lithium battery cap explosion-proof disc processing device has some problems, such as slow processing speed. Only one cap explosion-proof disc can be processed at a time, so the processing speed is slow. For multiple cap explosion-proof discs that are processed at a time, automatic unloading cannot be achieved. The two cannot be achieved at the same time, so it cannot meet people's needs. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a cylindrical lithium battery cap explosion-proof plate punching and forming mold, which has a simple structure and is easy to operate. It can process multiple workpieces at one time and can automatically demould the workpieces, making the processing faster, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cylindrical lithium battery cap explosion-proof plate punching and forming mold, comprising a lower mold, the lower mold is evenly provided with forming grooves, a plug-in mold part is provided below the lower mold, the intermediate mold columns on the plug-in mold part are respectively located in the middle of the inner part of the forming groove, the lower surface of the lower mold is provided with a mold column positioning part for limiting the lower end of the plug-in mold part, the middle of the mold column positioning part is provided with a mold column pushing part for pushing the plug-in mold part upward, a sliding track is respectively provided on the front and rear sides of the upper surface of the lower mold, an intermediate sliding mold is provided between the two sliding tracks, the mold hole of the intermediate sliding mold corresponds to the forming groove on the lower mold one by one, the lower surface of the lower mold is provided with a sliding mold driving part for driving the intermediate sliding mold to slide, an upper mold assembly corresponding to it is provided directly above the lower mold, positioning guide columns are fixed at the four corners of the upper surface of the lower mold, and through holes corresponding to the positioning guide columns are provided on the upper mold assembly.

[0005] Furthermore, the upper mold assembly includes a mold plate, and the lower surface of the mold plate is evenly provided with forming pressing molds, and the forming pressing molds correspond to the forming grooves one by one.

[0006] Furthermore, the plug-in mold component includes a support plate, on which intermediate mold columns are evenly arranged. The intermediate mold columns are plugged one by one in the middle of the forming groove. When the intermediate mold columns are located at the lower end of the forming groove, a complete mold cavity is formed. The battery cap is stamped by cooperating with the mold cavity through the forming downward pressing mold.

[0007] Furthermore, the mold column ejector includes a second cylinder fixed on the mold column positioning member, and the telescopic end of the second cylinder is provided with a ejector platform for ejecting the plug-in mold member upward. The ejector platform can be driven to move upward by extending the second cylinder, and the plug-in mold member can be ejected upward by the ejector platform. The workpiece inside the molding groove can be ejected by the plug-in mold member. When the plug-in mold member is at the uppermost end, the upper end of the middle mold column is flush with the upper surface of the lower mold, so that the workpiece is pushed away when the middle sliding mold slides, so that the workpiece is automatically unloaded in this way. When the mold column ejector moves downward, the plug-in mold member falls onto the upper surface of the positioning platform of the mold column positioning member by its own weight, so that the plug-in mold member is reset in this way.

[0008] Furthermore, the mold column positioning member includes a U-shaped seat fixed to the lower surface of the lower mold, and positioning platforms for supporting the plug-in mold member are arranged at both ends of the upper surface of the horizontal plane of the U-shaped seat.

[0009] Furthermore, the sliding mold driving component includes a connecting frame fixed at one end of the middle sliding mold, and the lower surface of the lower mold is connected to cylinder one via a cylinder seat. The telescopic end of cylinder one is fixed to the connecting frame, and the connecting frame can be driven to move by the telescopic movement of cylinder one, which can drive the movement of the middle sliding mold. The processed workpiece can be pushed out through the middle sliding mold, thereby facilitating automatic unloading of the workpiece.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the upper surface of the upper mold assembly is connected with the external stamping part, the upper mold assembly is pressed downward along the positioning guide column, and when the middle mold column is located at the lowermost end of the forming groove, a complete mold cavity is formed, and the forming lower pressing mold and the mold cavity are cooperated for stamping, thereby stamping the battery cap, and the push table can be driven to move upward by the extension of the cylinder, and the plug-in mold part can be pushed upward by the push table, and the workpiece inside the forming groove can be ejected by the plug-in mold part. When the plug-in mold part is at the uppermost end, the upper end of the middle mold column It is flush with the upper surface of the lower mold, and the connecting frame can be driven to move by the extension and contraction of the cylinder, and the middle sliding mold can be driven to move by the connecting frame, and the processed workpiece can be pushed out by the middle sliding mold, so as to facilitate automatic unloading of the workpiece. When the mold column ejector moves downward, the plug-in mold part falls to the upper surface of the positioning table of the mold column positioning part by its own weight, and the plug-in mold part is reset in this way. The cylindrical lithium battery cap explosion-proof disk punching and forming mold has a simple structure and is easy to operate. It can process multiple workpieces at one time, and the workpiece can be automatically demoulded, and the processing is faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the side structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at point A;

[0015] Figure 5 It is a schematic diagram of the cross-sectional structure of the workpiece of the utility model.

[0016] In the figure: 1 middle sliding mold, 2 sliding rail, 3 lower mold, 4 sliding mold driving part, 41 ear seat, 42 cylinder 1, 43 connecting frame, 5 positioning guide column, 6 upper mold assembly, 61 mold plate, 62 molding lower pressing mold, 7 mold column positioning part, 71 positioning platform, 72 U-shaped seat, 8 mold column ejector, 81 cylinder 2, 82 ejector platform, 9 plug-in mold part, 91 middle mold column, 92 support plate, 10 molding groove. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-5The utility model provides a technical solution: a cylindrical lithium battery cap explosion-proof plate punching and forming mold, including a lower mold 3, the lower mold 3 is evenly provided with forming grooves 10, a plug-in mold part 9 is arranged below the lower mold 3, and the middle mold columns 91 on the plug-in mold part 9 are respectively located in the middle of the inner part of the forming groove 10, and the lower surface of the lower mold 3 is provided with a mold column positioning part 7 for limiting the lower end of the plug-in mold part 9, and the middle of the mold column positioning part 7 is provided with a mold column pushing part 8 for pushing the plug-in mold part 9 upward, and a sliding track 2 is respectively arranged on the front and rear sides of the upper surface of the lower mold 3, and an intermediate sliding mold 1 is arranged between the two sliding rails 2, and the mold holes of the intermediate sliding mold 1 correspond to the forming grooves 10 on the lower mold 3 one by one, and the lower surface of the lower mold 3 is provided with a strip The sliding mold driving member 4 slides the movable intermediate sliding mold 1, and the upper mold assembly 6 corresponding to it is arranged just above the lower mold 3. The four corners of the upper surface of the lower mold 3 are fixed with positioning guide pillars 5. The upper mold assembly 6 is provided with through holes corresponding to the positioning guide pillars 5. The upper mold assembly 6 includes a mold plate 61, and the lower surface of the mold plate 61 is evenly provided with a forming press mold 62. The forming press mold 62 corresponds to the forming groove 10 one by one. The plug-in mold member 9 includes a support plate 92, and the support plate 92 is evenly provided with intermediate mold columns 91. The intermediate mold columns 91 are plugged in the middle of the forming groove 10 one by one. When the intermediate mold column 91 is located at the lower end of the forming groove 10, a complete mold cavity is formed, and the battery cap is punched into the mold cavity by the forming press mold 62 and the mold cavity. The mold column ejector 8 includes a cylinder 2 81 fixed on the mold column positioning member 7. The telescopic end of the cylinder 2 81 is provided with a ejector platform 82 for ejecting the plug-in mold member 9 upward. The ejector platform 82 can be driven to move upward by the extension of the cylinder 2 81. The plug-in mold member 9 can be ejected upward by the ejector platform 82. The workpiece inside the molding groove 10 can be ejected by the plug-in mold member 9. When the plug-in mold member 9 is at the uppermost end, the upper end of the middle mold column 91 is flush with the upper surface of the lower mold 3, so that the workpiece is pushed away when the middle sliding mold 1 slides, so that the workpiece is automatically unloaded in this way. When the mold column ejector 8 moves downward, the plug-in mold member 9 falls to the upper surface of the positioning platform 71 of the mold column positioning member 7 by its own weight, so as to eject the plug-in mold member 9 in this way. Reset, the mold column positioning member 7 includes a U-shaped seat 72 fixed on the lower surface of the lower mold 3, and positioning tables 71 supporting the plug-in mold member 9 are arranged on both ends of the upper surface of the horizontal plane of the U-shaped seat 72. The sliding mold driving member 4 includes a connecting frame 43 fixed on one end of the middle sliding mold 1. The lower surface of the lower mold 3 is connected to a cylinder 1 42 through a cylinder seat. The telescopic end of the cylinder 1 42 is fixed to the connecting frame 43. The connecting frame 43 can be driven to move by the telescopic movement of the cylinder 1 42, and the movement of the middle sliding mold 1 can be driven by the connecting frame 43. The processed workpiece can be pushed out through the middle sliding mold 1, so as to facilitate the automatic unloading of the workpiece. The upper surface of the upper mold assembly 6 is connected to the external stamping part, and the upper mold assembly 6 is pressed downward along the positioning guide column 5. The structure is simple.The operation is simple, and multiple workpieces can be processed at one time. The workpieces can be demoulded automatically, making the processing faster.

[0019] When in use: the upper surface of the upper mold assembly 6 is connected with the external stamping part, and the upper mold assembly 6 is pressed downward along the positioning guide column 5. When the middle mold column 91 is located at the lower end of the molding groove 10, a complete mold cavity is formed. The molding lower pressing mold 62 cooperates with the mold cavity to stamp, thereby stamping the battery cap. The extension of the cylinder 81 can drive the push table 82 to move upward, and the plug-in mold part 9 can be pushed upward by the push table 82, and the workpiece inside the molding groove 10 can be ejected by the plug-in mold part 9. When the plug-in mold part 9 is at the uppermost end, the upper end of the middle mold column 91 is flush with the upper surface of the lower mold 3. The cylinder 42 can be extended and retracted to drive the connecting frame 43 to move, and the connecting frame 43 can drive the movement of the middle sliding mold 1. The processed workpiece can be pushed out through the middle sliding mold 1, so as to facilitate automatic unloading of the workpiece. When the mold column ejector 8 moves downward, the plug-in mold part 9 falls to the upper surface of the positioning platform 71 of the mold column positioning part 7 by its own weight, and the plug-in mold part 9 is reset in this way.

[0020] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A cylindrical lithium battery cap explosion-proof plate punching and forming die, comprising a lower die (3), characterized in that: The lower mold (3) is evenly provided with molding grooves (10), a plug-in mold part (9) is provided below the lower mold (3), and the middle mold columns (91) on the plug-in mold part (9) are respectively located in the middle of the molding groove (10), and the lower surface of the lower mold (3) is provided with a mold column positioning part (7) for limiting the lower end of the plug-in mold part (9), and the middle of the mold column positioning part (7) is provided with a mold column pushing part (8) for pushing the plug-in mold part (9) upward, and the upper surface of the lower mold (3) is respectively provided with a sliding rail A middle sliding mold (1) is provided between the two sliding rails (2), the mold holes of the middle sliding mold (1) correspond one to one with the molding grooves (10) on the lower mold (3), the lower surface of the lower mold (3) is provided with a sliding mold driving member (4) for driving the middle sliding mold (1) to slide, an upper mold assembly (6) corresponding to the lower mold (3) is provided directly above the lower mold (3), positioning guide pillars (5) are fixed at the four corners of the upper surface of the lower mold (3), and the upper mold assembly (6) is provided with through holes corresponding to the positioning guide pillars (5).

2. A cylindrical lithium battery cap explosion-proof plate punching and forming die according to claim 1, characterized in that: The upper mold assembly (6) comprises a mold plate (61), and molding downward pressing molds (62) are evenly arranged on the lower surface of the mold plate (61), and the molding downward pressing molds (62) correspond one to one with the molding grooves (10).

3. A cylindrical lithium battery cap explosion-proof plate punching and forming die according to claim 1, characterized in that: The plug-in mold component (9) comprises a support plate (92), on which intermediate mold columns (91) are evenly arranged, and the intermediate mold columns (91) are plugged one by one in the middle of the molding groove (10), so that a complete mold cavity is formed when the intermediate mold columns (91) are located at the lowermost end of the molding groove (10).

4. A cylindrical lithium battery cap explosion-proof plate punching and forming die according to claim 1, characterized in that: The mold column pusher (8) comprises a second cylinder (81) fixed on the mold column positioning member (7), and a pusher platform (82) for pushing the plug-in mold member (9) upward is provided at the telescopic end of the second cylinder (81).

5. A cylindrical lithium battery cap explosion-proof plate punching and forming die according to claim 1, characterized in that: The mold column positioning member (7) comprises a U-shaped seat (72) fixed to the lower surface of the lower mold (3), and positioning platforms (71) supporting the plug-in mold member (9) are arranged at both ends of the upper surface of the horizontal plane of the U-shaped seat (72).

6. A cylindrical lithium battery cap explosion-proof plate punching and forming die according to claim 1, characterized in that: The sliding mold driving member (4) comprises a connecting frame (43) fixed to one end of the middle sliding mold (1); the lower surface of the lower mold (3) is connected to a cylinder one (42) via a cylinder seat; and the telescopic end of the cylinder one (42) is fixed to the connecting frame (43).

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