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A continuous extrusion production process of water-cooled strips for battery packs

A production process and water-cooled belt technology, applied in the direction of metal extrusion dies, etc., can solve the problems of difficult production, no forming process, and high technical content, and achieve the effect of high qualification rate, lower energy consumption, and lower production costs.

Active Publication Date: 2020-03-17
山东伟瑞制冷科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This kind of water-cooled belt used for battery cooling has a very high technical content and is extremely difficult to produce. The main difficulties in the production process include ultra-high extrusion ratio, ultra-high dimensional accuracy, and good air tightness, etc.; the product itself The main features are: wide shape, thin thickness, thin wall, small ribs, few holes, etc. The thinnest size wall thickness and rib thickness are only more than 20 wires. Most of the current market is still in the research and development stage, and there is no molding process

Method used

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  • A continuous extrusion production process of water-cooled strips for battery packs
  • A continuous extrusion production process of water-cooled strips for battery packs
  • A continuous extrusion production process of water-cooled strips for battery packs

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Embodiment Construction

[0037] Figure 1~5 It is the best embodiment of the present invention, below in conjunction with attached Figure 1~5 The present invention will be further described.

[0038] The aluminum material 2 is extruded by a Conform continuous extrusion machine. The extruder includes a sheave 1 for conveying the aluminum material 2, a cavity 4 on one side of the sheave 1, and a cavity 4 arranged between the sheave 1 and the cavity 4. Between the material guide plate 5, the material guide plate 5 is an arc coaxial with the sheave 1, a mold is provided in the cavity 4, and the mold includes a connected upper mold 6 and a lower mold 7 and a mold set in the upper mold 6 The mold core, the upper mold 6 is provided with a feeding hole 601, the lower mold 7 is provided with a forming hole 703, the feeding hole 601 communicates with the forming hole 703, the mold core is arranged in the middle of the feeding hole 601, and the rear side of the mold core is arranged at intervals There are mul...

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Abstract

The invention discloses a continuous extrusion production technology of a battery pack water cooling belt, and belongs to the technical field of production of battery pack water cooling belts. The technology comprises the following steps that 1, a die is heated to 450-500 DEG C and kept at the constant temperature; 2, a sheave (1) conveys aluminum materials (2) through friction, the temperature ofthe aluminum materials (2) is increased to 500-530 DEG C through friction, and the feeding time interval of every two adjacent aluminum materials (2) is determined; and 3, the machined water coolingbelt (8) is pulled through a take-up machine, and the pulling speed is 20-30 m / min. According to the continuous extrusion production technology of the battery pack water cooling belt, the problems that too many middle empty zones are produced since the time interval is too long, and product air impermeability is unqualified are solved, and the problems that feeding is continuously carried out since the time interval is too short, blockage occurs and extrusion cannot be achieved are also solved.

Description

technical field [0001] The invention discloses a continuous extrusion production process of a battery pack water-cooling strip, which belongs to the technical field of battery pack water-cooling strip production. Background technique [0002] The water-cooling belt is a microchannel flat tube used for liquid heat exchange of the power battery of the power supply system of the new energy electric vehicle. The cooling performance of the power battery directly affects the efficiency of the battery, and also affects the battery life and safety. , the maximum temperature of the general battery unit can reach about 60°C, increasing the application of the water cooling belt can realize rapid heating of the battery at low temperature and rapid cooling at high temperature, and control the maximum temperature of the battery below 35°C to meet high-speed + fast charging continuous driving. [0003] This kind of water-cooled belt used for battery cooling has a very high technical conten...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C23/06B21C29/04B21C25/02B21C33/00B21C35/02
CPCB21C23/06B21C25/02B21C29/04B21C33/006B21C35/02
Inventor 丁伟蔡莹
Owner 山东伟瑞制冷科技有限公司
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