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Method for forming steel liquid storage cylinder

The technology of a liquid storage tank and a liquid storage tank is applied in other household appliances, household appliances, applications, etc., which can solve the problems of long mold and tooling manufacturing cycle, low equipment utilization rate, and high degree of process coordination, so as to improve the product qualification rate. The effect of resistance to pressure, improving turnover between processes, and improving equipment utilization

Inactive Publication Date: 2004-01-07
TAIZHOU JINFAN REFRIGERATION APPLIANCES
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The existing stamping and stretching forming process not only requires many procedures, many production personnel, high cost, but also a large workload and a lot of equipment used, resulting in a high degree of process coordination and low equipment utilization.
Compared with more equipment, molds and tooling also increase accordingly, and the manufacturing cycle of molds and tooling is long, the life is short, and the amount of maintenance is large.
Regarding the utilization rate of raw materials, the utilization rate of raw materials in the existing stamping and stretching process is only 70%, which further increases the product cost

Method used

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  • Method for forming steel liquid storage cylinder
  • Method for forming steel liquid storage cylinder
  • Method for forming steel liquid storage cylinder

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Embodiment Construction

[0011] Such as figure 2 As shown, it is the cylinder structure of the steel liquid reservoir made by the spinning forming method of the present invention, which replaces the figure 1 The shown steel reservoir cylinder structure with circular welds W made by stamping and stretching has a smooth surface without welds. Such as Figure 4 Shown is the spinning forming process flow of the steel liquid storage cylinder of the present invention. The spinning forming method uses ST14 cold-drawn steel pipes as raw materials. After preparing materials, the prepared ST14 cold-drawn steel pipes are cut off and reused. Spinning machine is used for spinning forming, that is to say, it is made into an integral steel reservoir cylinder without welds.

[0012] The spinning forming method of the cylinder body of the steel liquid storage device in the present invention is technically difficult and involves technologies such as material mechanics, material composition, performance, heat treatme...

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Abstract

The present invention discloses a forming method of liquid storage cylinder made of steel which is used in the refrigeration equipment, and is characterized by that it selects ST14 cold-drawn steel pipe as raw material, and its forming method includes the following steps: preparing raw material, cutting said ST14 cold-drawn steel pipe and stretch planishing by rotary extrusion machine tool so as to obtain the invented product without welded seam.

Description

technical field [0001] The invention relates to a forming method of a cylinder body, in particular to a forming method of a steel liquid accumulator cylinder body used in refrigeration system equipment. Background technique [0002] At present, the equipment manufacturers in the refrigeration system usually adopt the stamping and stretching forming process for the machining method of the steel liquid receiver cylinder. Such as figure 1 Shown is the shape and structure of the existing steel liquid storage cylinder. The steel liquid storage cylinder has an annular weld W in the middle. Such as image 3 As shown in the existing stamping and stretching forming process, the upper and lower half of the steel liquid storage cylinder are all made of ST12 or ST14 steel plates, which have undergone material preparation, shearing, blanking, and continuous stretching for many times. At least Four times of stretching, trimming, punching, turning over holes, alignment of the two halves...

Claims

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Application Information

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IPC IPC(8): B21D51/18
Inventor 胡德林
Owner TAIZHOU JINFAN REFRIGERATION APPLIANCES
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