Battery case stamping device capable of achieving rapid discharging

Abstract

The utility model discloses a battery case stamping device capable of discharging quickly, which relates to the technical field of stamping forming, and adopts the technical scheme that the battery case stamping device comprises a machine tool, a lower mounting table is arranged in the machine tool, a lower die is arranged at the top of the lower mounting table, two cavities are formed in the lower die, and ejection mechanisms are arranged in the cavities; the material ejecting mechanism comprises a first connecting rod and a second connecting rod, the first connecting rod is fixedly sleeved with a first gear, the second connecting rod is fixedly sleeved with a second gear, the first gear is meshed with the second gear, a toothed plate is arranged on one side of the second gear, the second gear is meshed with the toothed plate, a bottom plate is fixedly arranged on one side of the toothed plate, and a push plate is fixedly arranged at the top of the bottom plate. The battery case blanking device has the advantages that blanking of a battery case is facilitated, blanking difficulty of stamping of the battery case is lowered, the battery case can be taken out without other tools, material taking time is shortened, continuous stamping operation of a stamping device is facilitated, and the using effect of the stamping device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping and forming, and in particular to a battery shell stamping device capable of quickly cutting materials. Background Art

[0002] In recent years, electric vehicles such as electric vehicles that use only motors as driving sources and hybrid vehicles that use engines and motors as driving sources have been developed in commercial vehicles such as cars and trucks from the perspective of reducing environmental load. In such electric vehicles, large-capacity batteries are installed to operate the motors. Battery cases that accommodate batteries are provided under the floors of electric vehicles (EVs), hybrid vehicles (HEVs), and plug-in hybrid vehicles. The production of battery cases includes a stamping process. Stamping is a pressure processing method that uses a mold installed on a press to apply pressure to the material at room temperature to cause separation or plastic deformation, thereby obtaining the desired parts.

[0003] After the existing battery shell is stamped and formed, the battery shell will fit tightly with the inner wall of the mold cavity of the stamping device. The friction between the battery shell and the inner wall of the mold cavity will inhibit the removal of the battery shell, increasing the difficulty of cutting the punched battery shell. The battery shell needs to be removed with the help of other tools, which increases the time consumption of material removal, makes it impossible for the stamping device to perform stamping operations continuously, and reduces the use effect of the stamping device. Utility Model Content

[0004] To this end, the utility model provides a battery shell stamping device that can quickly cut materials to solve the problem that the cutting of the punched battery shell is difficult and other tools are needed to remove the battery shell, which increases the time consumption of material removal, makes it impossible for the stamping device to perform stamping operations continuously, and reduces the use effect of the stamping device.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a battery shell punching device capable of rapid unloading, comprising a machine tool, a lower mounting platform is provided inside the machine tool, a lower die is provided on the top of the lower mounting platform, two cavities are provided inside the lower die, and a material ejecting mechanism is provided inside the cavity;

[0006] The ejection mechanism includes a first connecting rod and a second connecting rod, the first connecting rod is fixedly sleeved with a first gear on the outside, the second connecting rod is fixedly sleeved with a second gear on the outside, the first gear is meshed with the second gear, a toothed plate is provided on one side of the second gear, the second gear is meshed with the toothed plate, a bottom plate is fixedly provided on one side of the toothed plate, a push plate is fixedly provided on the top of the bottom plate, and the push plate passes through the lower mold.

[0007] Preferably, sleeves are fixedly provided on both sides of the first gear, a first torsion spring is fixedly connected between the sleeve and the side wall of the cavity, and the first torsion spring is sleeved on the outside of the first connecting rod.

[0008] Preferably, a connecting plate is fixedly provided on one side of the sleeve, and a connecting shaft is connected to one side of the connecting plate through a bearing. A movable plate is fixedly sleeved on the outside of the connecting shaft, and a second torsion spring is fixedly connected between the movable plate and the connecting plate, and the second torsion spring is sleeved on the outside of the connecting shaft.

[0009] Preferably, an upper mold is provided on the top of the lower mold, and fixing rods are fixedly provided on both sides of the bottom of the upper mold, and one end of the fixing rod is fixedly connected to a guide rod.

[0010] Preferably, an upper mounting platform is provided on the top of the upper mold, and the upper mold is fixedly connected to the upper mounting platform by bolts and nuts.

[0011] Preferably, the lower mounting platform and the lower mold are fixedly connected by bolts and nuts.

[0012] Preferably, a plurality of telescopic guide sleeves are provided between the lower mounting platform and the upper mounting platform.

[0013] Preferably, support columns are fixedly provided at the four corners of the bottom of the machine tool.

[0014] Preferably, a hydraulic press is fixedly provided on the top of the machine tool, and an output end of the hydraulic press is fixedly connected to an upper mounting platform.

[0015] The utility model embodiment has the following advantages:

[0016] The guide rod is driven upward by the upper die to contact the movable plate and push the movable plate and the connecting plate, so that the movable plate and the connecting plate drive the sleeve to rotate around the first connecting rod, the sleeve drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the toothed plate to move up, the toothed plate drives the bottom plate to move up, the bottom plate drives the push plate to move up, the push plate pushes the battery shell formed on the top of the lower die out of the mold cavity of the lower die, so that the battery shell is demolded, which is convenient for the unloading of the battery shell and reduces the difficulty of unloading the stamped battery shell. There is no need to use other tools to take out the battery shell, which reduces the material taking time, facilitates the stamping device to continuously perform stamping operations, and improves the use effect of the stamping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0019] Figure 1 The overall structural diagram provided by the utility model;

[0020] Figure 2 A cross-sectional view of the lower mold provided by the utility model;

[0021] Figure 3 The upper mold and the lower mold provided by the utility model are expanded;

[0022] Figure 4 The three-dimensional material ejection mechanism provided by the utility model Figure 1 ;

[0023] Figure 5 The three-dimensional material ejection mechanism provided by the utility model Figure 2 ;

[0024] Figure 6 The utility model provides Figure 2 A magnified view of the structure of the middle part A;

[0025] Figure 7 The utility model provides Figure 5 Enlarged view of the structure of part B in the middle.

[0026] In the figure: 1, machine tool; 2, lower mounting table; 3, upper mounting table; 4, lower die; 5, upper die; 6, telescopic guide sleeve; 7, hydraulic press; 8, support column; 9, guide rod; 10, cavity; 11, first connecting rod; 12, second connecting rod; 13, first gear; 14, second gear; 15, sleeve; 16, first torsion spring; 17, connecting plate; 18, movable plate; 19, tooth plate; 20, bottom plate; 21, push plate; 22, fixed rod; 23, connecting shaft; 24, second torsion spring. DETAILED DESCRIPTION

[0027] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Refer to the attached Figure 1 -Attached Figure 7 The utility model provides a battery shell punching device capable of rapid unloading, comprising a machine tool 1, wherein a lower mounting platform 2 is provided inside the machine tool 1, a lower die 4 is provided on the top of the lower mounting platform 2, two cavities 10 are provided inside the lower die 4, and a material ejecting mechanism is provided inside the cavity 10;

[0029] The ejection mechanism includes a first connecting rod 11 and a second connecting rod 12, the first connecting rod 11 is fixedly sleeved with a first gear 13 on the outside, the second connecting rod 12 is fixedly sleeved with a second gear 14 on the outside, the first gear 13 is meshed with the second gear 14, a toothed plate 19 is provided on one side of the second gear 14, the second gear 14 is meshed with the toothed plate 19, a bottom plate 20 is fixedly provided on one side of the toothed plate 19, a push plate 21 is fixedly provided on the top of the bottom plate 20, the push plate 21 passes through the lower mold 4, sleeves 15 are fixedly provided on both sides of the first gear 13, and the sleeves 15 are fixedly provided with the side walls of the cavity 10 A first torsion spring 16 is fixedly connected between the two connecting rods 11 and the two connecting rods 11. A connecting plate 17 is fixedly provided on one side of the sleeve 15. A connecting shaft 23 is connected to one side of the connecting plate 17 through a bearing. A movable plate 18 is fixedly provided on the outside of the connecting shaft 23. A second torsion spring 24 is fixedly connected between the movable plate 18 and the connecting plate 17. The second torsion spring 24 is sleeved on the outside of the connecting shaft 23. An upper mold 5 is provided on the top of the lower mold 4. Both sides of the bottom of the upper mold 5 are fixedly provided with fixing rods 22. One end of the fixing rod 22 is fixedly connected to a guide rod 9.

[0030] In this embodiment, the upper mold 5 is molded with the lower mold 4 and the battery shell mold material is stamped and formed. The fixed rod 22 and the guide rod 9 at the bottom of the upper mold 5 are moved into the cavity 10. During the downward movement of the guide rod 9, it contacts the movable plate 18 and pushes the movable plate 18 to rotate at the connection point of the connecting shaft 23. The second torsion spring 24 is compressed, so that the guide rod 9 moves to the bottom of the movable plate 18. The second torsion spring 24 drives the movable plate 18 to unfold again. After the stamping is completed, the upper mold 5 moves up, and the upper mold 5 drives the fixed rod 22 and the guide rod 9 to move up. The guide rod 9 moves up and contacts the movable plate 18. The movable plate 18 contacts and pushes the movable plate 18 and the connecting plate 17, so that the movable plate 18 and the connecting plate 17 drive the sleeve 15 to rotate around the first connecting rod 11, the first torsion spring 16 is compressed, the sleeve 15 drives the first gear 13 to rotate, the first gear 13 drives the second gear 14 to rotate, the second gear 14 drives the tooth plate 19 to move upward, the tooth plate 19 drives the bottom plate 20 to move upward, the bottom plate 20 drives the push plate 21 to move upward, the push plate 21 pushes the battery shell formed on the top of the lower mold 4 out of the mold cavity of the lower mold 4, so that the battery shell is demolded, which is convenient for the battery shell to be unloaded;

[0031] Among them, in order to achieve the purpose of installation, the device is implemented by the following technical solution: an upper mounting platform 3 is provided on the top of the upper mold 5, and the upper mold 5 and the upper mounting platform 3 are fixedly connected by bolts and nuts, and the upper mold 5 and the upper mounting platform 3 are fixedly installed by bolts and nuts;

[0032] Among them, in order to achieve the purpose of installation, the device is implemented by the following technical solution: the lower mounting platform 2 and the lower mold 4 are fixedly connected by bolts and nuts, and the lower mold 4 is fixedly installed on the lower mounting platform 2 by bolts and nuts;

[0033] Among them, in order to achieve the purpose of positioning, the device adopts the following technical solutions: a plurality of telescopic guide sleeves 6 are arranged between the lower mounting table 2 and the upper mounting table 3, and the telescopic guide sleeves 6 are used to position the lower mounting table 2 and the upper mounting table 3 to avoid stamping deviation;

[0034] In order to achieve the purpose of support, the device is implemented by adopting the following technical solution: support columns 8 are fixedly provided at the four corners of the bottom of the machine tool 1, and the support columns 8 support the machine tool 1;

[0035] Among them, in order to achieve the purpose of mold closing and mold parting, the present device is implemented by adopting the following technical scheme: a hydraulic press 7 is fixedly provided on the top of the machine tool 1, and the output end of the hydraulic press 7 is fixedly connected to the upper mounting table 3. The upper mounting table 3 and the upper mold 5 installed at the bottom of the upper mounting table 3 are controlled by the hydraulic press 7 to move up and down to complete the mold closing and mold parting work.

[0036] The use process of the utility model is as follows: when using the utility model, the battery shell mold material is placed on the lower mold 4, and the upper mounting platform 3 is controlled to move downward by the hydraulic press 7, and the upper mounting platform 3 drives the upper mold 5 to move downward. The upper mold 5 is molded with the lower mold 4 and the battery shell mold material is stamped and formed. The fixed rod 22 and the guide rod 9 at the bottom of the upper mold 5 move into the cavity 10. During the downward movement of the guide rod 9, it contacts the movable plate 18 and pushes the movable plate 18 to rotate at the connection point of the connecting shaft 23. The second torsion spring 24 is compressed, so that the guide rod 9 moves to the bottom of the movable plate 18, and the second torsion spring 24 drives the movable plate 18 to unfold again. After the stamping is completed, the hydraulic press 7 controls the upper mounting platform 3 to move upward, and the upper mounting platform 3 drives the upper mold 5 to move upward. The upper mold 5 drives the fixed rod 22 and the guide rod 9 to move upward. The guide rod 9 moves upward and contacts the movable plate 18 and pushes the movable plate 18 and the connecting plate 17, so that the movable plate 18 and the connecting plate 17 drives the sleeve 15 to rotate around the first connecting rod 11, the first torsion spring 16 is compressed, the sleeve 15 drives the first gear 13 to rotate, the first gear 13 drives the second gear 14 to rotate, the second gear 14 drives the toothed plate 19 to move up, the toothed plate 19 drives the bottom plate 20 to move up, the bottom plate 20 drives the push plate 21 to move up, the push plate 21 pushes the battery shell formed on the top of the lower mold 4 out of the mold cavity of the lower mold 4, so that the battery shell is demoulded, which is convenient for the battery shell to be unloaded, and after the guide rod 9 is separated from the movable plate 18, the first torsion spring 16 pulls the sleeve 15 to rotate again, so that the sleeve 15 drives the connecting plate 17 and the movable plate 18 to rotate again, the sleeve 15 drives the first gear 13 to rotate, the first gear 13 drives the second gear 14 to rotate, the second gear 14 drives the toothed plate 19 to move down, the toothed plate 19 drives the bottom plate 20 to move down, and the bottom plate 20 drives the push plate 21 to move down again, which is convenient for the continuation of the stamping work.

[0037] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A battery shell punching device capable of rapid blanking, comprising a machine tool (1), characterized in that: A lower mounting platform (2) is provided inside the machine tool (1); a lower die (4) is provided on the top of the lower mounting platform (2); two cavities (10) are provided inside the lower die (4); and a material ejection mechanism is provided inside the cavity (10); The ejection mechanism comprises a first connecting rod (11) and a second connecting rod (12); the first connecting rod (11) is provided with a first gear (13) on its outer fixed sleeve; the second connecting rod (12) is provided with a second gear (14) on its outer fixed sleeve; the first gear (13) is meshed with the second gear (14); a toothed plate (19) is provided on one side of the second gear (14); the second gear (14) is meshed with the toothed plate (19); a bottom plate (20) is fixedly provided on one side of the toothed plate (19); a push plate (21) is fixedly provided on the top of the bottom plate (20); the push plate (21) passes through the lower mold (4).

2. A battery shell punching device capable of rapid blanking according to claim 1, characterized in that: Sleeves (15) are fixedly provided on both sides of the first gear (13), a first torsion spring (16) is fixedly connected between the sleeve (15) and the side wall of the cavity (10), and the first torsion spring (16) is sleeved outside the first connecting rod (11).

3. A battery shell punching device capable of rapid blanking according to claim 2, characterized in that: A connecting plate (17) is fixedly provided on one side of the sleeve (15); a connecting shaft (23) is connected to one side of the connecting plate (17) via a bearing; a movable plate (18) is fixedly sleeved on the outside of the connecting shaft (23); a second torsion spring (24) is fixedly connected between the movable plate (18) and the connecting plate (17); and the second torsion spring (24) is sleeved on the outside of the connecting shaft (23).

4. A battery shell punching device capable of rapid blanking according to claim 1, characterized in that: An upper mold (5) is provided on the top of the lower mold (4), and fixing rods (22) are fixedly provided on both sides of the bottom of the upper mold (5), and one end of the fixing rod (22) is fixedly connected to a guide rod (9).

5. A battery shell punching device capable of rapid blanking according to claim 4, characterized in that: An upper mounting platform (3) is provided on the top of the upper die (5), and the upper die (5) and the upper mounting platform (3) are fixedly connected by bolts and nuts.

6. A battery shell punching device capable of rapid blanking according to claim 1, characterized in that: The lower mounting platform (2) and the lower die (4) are fixedly connected via bolts and nuts.

7. A battery shell punching device capable of rapid blanking according to claim 5, characterized in that: A plurality of telescopic guide sleeves (6) are provided between the lower mounting platform (2) and the upper mounting platform (3).

8. A battery shell punching device capable of rapid blanking according to claim 1, characterized in that: Support columns (8) are fixedly provided at the four corners of the bottom of the machine tool (1).

9. A battery shell punching device capable of rapid blanking according to claim 1, characterized in that: A hydraulic press (7) is fixedly provided on the top of the machine tool (1), and an output end of the hydraulic press (7) is fixedly connected to the upper mounting platform (3).

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