Vacuum punch of battery box controller

By designing a multi-layer sealing structure and circulating cooling water circuit for the vacuum punch of the battery box controller, the problem of insufficient vacuum in the battery box mold was solved, improving the quality and mechanical properties of the battery box and extending the service life of the punch.

CN223629484UActive Publication Date: 2025-12-05YANGZHOU RONGTAI PRECISION DIE CASTING CO LTD
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Patent Information

Application Number
CN202422689015.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-12-05
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

In the existing technology, the poor sealing between the punch and the barrel of the battery box affects the vacuum degree of the mold, resulting in the battery box failing to meet quality and mechanical properties.

Method used

A vacuum punch for a battery box controller was designed, which adopts a combination structure of a head sealing copper ring, a copper ring support ring, a middle sealing copper ring, a copper ring fixing ring, and a tail sealing ring, combined with a circulating cooling water circuit to ensure sealing and cooling effect.

Benefits of technology

The vacuum level of the mold was improved, the service life of the punch was extended, the quality and mechanical properties of the battery box were ensured, and efficient sealing and cooling effects were achieved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a vacuum punch of a battery box controller. The vacuum punch comprises a punch body, a head sealing copper ring, a copper ring supporting ring, a middle sealing copper ring, a copper ring fixing ring, a tail sealing ring and a circulating cooling water channel. The head sealing copper ring is fixedly arranged on the punch body, the copper ring supporting ring is fixedly arranged on one side of the head sealing copper ring, the middle sealing copper ring is arranged on the copper ring supporting ring, the copper ring fixing ring is arranged on one side of the copper ring supporting ring, and the tail sealing ring is fixedly connected to the tail of the punch body. And the circulating cooling water path is arranged in the punch body. The punch is long in service life and good in sealing performance, and the punch and the charging barrel are well attached to each other.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a sealed punch, especially a battery box controller vacuum punch. BACKGROUND

[0002] In new energy vehicles, the battery is a very key part, and the quality of the battery box loaded with the battery is particularly important, in order to ensure the internal quality and mechanical performance of the battery box are qualified, when die casting production, high vacuum mode needs to be used, in addition to the sealing of the mold itself, the sealing of the punch also plays a key role, if the punch and the barrel cannot be well attached, the vacuum degree of the mold will be affected. SUMMARY

[0003] The utility model discloses a battery box controller vacuum punch, which solves the problems in the prior art.

[0004] The technical scheme of the utility model discloses a battery box controller vacuum punch, the vacuum punch includes punch body, head sealing copper ring, copper ring support ring, middle part sealing copper ring, copper ring fixed ring, tail sealing ring and circulating cooling water path.

[0005] The head sealing copper ring is fixedly arranged on the punch body, the copper ring support ring is fixedly arranged on one side of the head sealing copper ring, the middle part sealing copper ring is arranged on the copper ring support ring, the copper ring fixed ring is arranged on one side of the copper ring support ring, the tail sealing ring is fixedly connected to the tail of the punch body, and the circulating cooling water path is arranged in the punch body.

[0006] Preferably, the head sealing copper ring is a closed copper ring.

[0007] Preferably, the middle part sealing copper ring is an open copper ring.

[0008] The utility model discloses the beneficial effects are:

[0009] 1) the head sealing copper ring is a closed copper ring, the material is beryllium copper alloy, the head sealing copper ring is directly contacted with the aluminum liquid, and the service life is 5K-8K molds;

[0010] 2) the middle part sealing copper ring is an open copper ring, the variable outer diameter of the opening makes the middle part sealing copper ring always closely attached to the inner wall of the barrel, so that the sealing effect is achieved, and the service life is 1W-1.5W molds;

[0011] 3) the circulating cooling water path provides a complete circulating water path in the punch body, and plays a role in cooling the whole punch. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the structural schematic diagram of the utility model.

[0013] Fig. 1 is a punch body, 2 is the head sealing copper ring, 3 is a copper ring support ring, 4 is a middle sealing copper ring, 5 is a copper ring fixed ring, 6 is a tail sealing ring, 7 is a circulating cooling water path. DETAILED DESCRIPTION

[0014] A battery box controller vacuum punch, the vacuum punch includes punch body 1, head sealing copper ring 2, copper ring support ring 3, middle sealing copper ring 4, copper ring fixed ring 5, tail sealing ring 6 and circulating cooling water path 7;

[0015] The head sealing copper ring 2 is fixedly arranged on the punch body 1, the copper ring support ring 3 is fixedly arranged on one side of the head sealing copper ring 2, the middle sealing copper ring 4 is arranged on the copper ring support ring 3, the copper ring fixed ring 5 is arranged on one side of the copper ring support ring 3, the tail sealing ring 6 is fixedly connected to the tail of the punch body 1, and the circulating cooling water path 7 is arranged in the punch body 1.

[0016] The punch body 1 is made of SKD61, and the service life is more than 3W molds.

[0017] The head sealing copper ring 2 is a closed copper ring, and is made of beryllium copper alloy; the head sealing copper ring 2 directly contacts with aluminum liquid, and the service life is 5K-8K molds.

[0018] The copper ring support ring 3 is made of SKD61, and the service life is more than 3W molds.

[0019] The middle sealing copper ring 4 is an open copper ring, and the variable outer diameter of the open copper ring enables the middle sealing copper ring 4 to always tightly adhere to the inner wall of a material cylinder, so that the sealing effect is achieved, and the service life is 1W-1.5W molds.

[0020] The circulating cooling water path 7 provides a complete circulating water path in the punch body 1, and plays a role of cooling the whole punch.

[0021] In the description of the utility model, it is understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, a specific orientation and operation, so it cannot be understood as a limitation on the utility model.

[0022] In the utility model, unless another definite provision and limitation, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for ordinary skill in the art to the person, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0023] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A battery pack controller vacuum punch, characterized by: The vacuum punch includes a punch body (1), a head sealing copper ring (2), a copper ring supporting ring (3), a middle sealing copper ring (4), a copper ring fixing ring (5), a tail sealing ring (6) and a circulating cooling water path (7). The head sealing copper ring (2) is fixedly arranged on the punch body (1), the copper ring supporting ring (3) is fixedly arranged on one side of the head sealing copper ring (2), the middle sealing copper ring (4) is arranged on the copper ring supporting ring (3), the copper ring fixing ring (5) is arranged on one side of the copper ring supporting ring (3), the tail sealing ring (6) is fixedly connected to the tail of the punch body (1), and the circulating cooling water path (7) is arranged in the punch body (1).

2. A battery pack controller vacuum punch as defined in claim 1, wherein: The head sealing copper ring (2) is a closed copper ring.

3. A battery pack controller vacuum punch as defined in claim 1, wherein: The middle sealing copper ring (4) is an open copper ring.