A multi-station water heater liner piping forming method

Abstract

The invention discloses a multi-station edge rolling forming method for water heater inner containers. The multi-station edge rolling forming method comprises the steps that a water heater inner container cover with the edge to be rolled is fed, a multi-index rotary disk rotates, the water heater inner container cover is pressed tightly, a large rolling wheel and a small rolling wheel clamp the edges of the two sides of the bottom of the water heater inner container cover with the edge to be rolled, and edge rolling is conducted; the large rolling wheel and the small rolling wheel release the edges of the two sides of the bottom of the water heater inner container cover, the small rolling wheel descends, the multi-index rotary disk rotates, and preparation for edge rolling operation of a next water heater inner container cover is made. By the adoption of the multi-station edge rolling forming method, after an edge rolling forming device conducts clamping once, edge rolling operation can be continuously conducted on the multiple water heater inner container covers, and an edge rolling device does not need to wait; in this way, the utilization rate of the edge rolling device is high, and the machining efficiency is high. According to the edge rolling forming device, the position of the small rolling wheel is fixed every time the small rolling wheel conducts machining, deviation will not be generated, and therefore the edge of the bottom of the inner side of each water heater inner container cover is rolled well.

Description

technical field [0001] The invention relates to a method for using an auxiliary assembly device for a water heater, in particular to a method for forming piping of a multi-station water heater inner tank. Background technique [0002] Water heaters have been widely used in domestic and industrial hot water. They have the advantages of high heat collection efficiency, safety, cleanliness, energy saving, good thermal insulation performance, year-round use, and long service life. [0003] However, the inner tank of the water heater determines the service life of a water heater. In the water storage water heater, the water heater liner is used as the water storage part of the water heater, and its sealing performance and internal anti-corrosion performance directly affect the service life of the water heater. [0004] Generally, the tank of the water heater includes: a barrel in the tank and two inner tank covers on the left and right. Since the stainless steel liner is made o...

AI Technical Summary

Problems solved by technology

The whole hemming operation requires a long time for manual operation, that is, the hemming device has a long waiting time, and the utilization rate of the hemming device is low, so that the entire processing efficiency is low

[0011] 2. The small rollers are fixed at the front end of the fixed table, and the front edge of the fixed table bears heavy weight. After the small rollers are used for a period of time, the fixed table will tilt or even break, that is, the position of the small rollers will shift, so that Poor hemming on the inner bottom edge of the inner tank cover of the water heater

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