Upsetting method of battery pole piece roller

Abstract

The invention relates to an upsetting method of a battery pole piece roller, and belongs to the technical field of roller forging. According to the upsetting method of the battery pole piece roller, the battery pole piece roller comprises a roller body and a roller neck integrally formed at the two ends of the roller body, the diameter of the roller body is larger than that of the roller neck, andthe roller body is manufactured with a local upsetting method; during discharging, oddments are reserved at the root of the joint of the roller body and the roller neck; during upsetting, by means ofdrain caps, under the effect of inner holes of the drain caps, the reserved oddments flow, and the root of the roller body is formed; and an original roller body root blank flows to angles of the roller body, the angles are formed, and protrusions are generated. By means of the reserved oddments, the oddments flow during upsetting, it can be promoted that the edges finally deform to form right angles, large rounded angles are prevented from being formed, and normal product procedures are guaranteed. Compared with a traditional method, by means of the technological method, raw materials can besaved, the production cost can be reduced, and the utilization rate of the materials can be increased; and the heating number during upsetting can also be reduced, thus, the machining time is reduced, and the efficiency of overall machining is improved.

Description

Technical field [0001] The invention relates to a method for upsetting a battery pole piece roll and belongs to the technical field of roll forging. Background technique [0002] Among the roll products, the battery pole piece roll is used to roll the battery pole piece. Due to the needs of the roll electrode, the roll shape used is different from other rolls used in conventional rolling. The diameter of the middle of the roll body is larger than the diameter of the two ends. In order to meet the requirements of product forging and ensure product quality, a partial upsetting forging method is required. , The large drop between the roll body and the roll diameter can be achieved by local upsetting and deformation of the roll body. After partial upsetting, the roll body blank forms a single drum shape. Through the later drawing and forming, the corners of the two ends of the roll body are easily rounded and lack meat. The lack of meat in the corners of the roll body will affect th...

AI Technical Summary

Problems solved by technology

After partial upsetting, the billet of the roll body forms a single-drum shape. After the later elongation and forming, the corners at both ends of the roll body are easily rounded and lack meat. The lack of meat at the corners of the roll body has a great influence on the later machining It causes difficulties, which can only be improved by increasing the material used for the roll body or increasing the number of times of production to upset the roll body, resulting in waste of materials or energy, and low production efficiency.

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