One-time extrusion forming method of horizontal double-acting combined mold of double-flange middle body

Abstract

The invention discloses a one-time extrusion forming method of a horizontal double-acting combined mold of a double-flange middle body. Meanwhile, the method discloses a horizontal double-acting extrusion combined mold for vertical parting, the vertical upper female die and the vertical lower female die form a circumferential die cavity during die closing, the left horizontal extrusion die and theright horizontal extrusion die form an axial die cavity of the flange together with the vertical upper female die and the vertical lower female die after the die closing, the left horizontal punchingneedle and the right horizontal punching needle are arranged in the left horizontal extruding die and the right horizontal extruding die respectively, a water cooling device is arranged in each penetrating pin, the top head is arranged in the vertical downward concave die, wherein the vertical mold, the horizontal extrusion mold and the perforation tool can move independently. By utilizing the stroke of the extrusion head and the punching needle, the metal can be flexibly controlled to flow reasonably, and the folding defect is avoided, the metal filling of the flange part is full, the product can be formed only by one-time heating and one-time extrusion, the process flow is short, the energy consumption is low, the efficiency is high, and the product size is accurate.

Description

technical field

[0001] The invention relates to a one-time extrusion forming method of a horizontal double-action combined die with a full body in a double flange, and belongs to the technical field of metal plastic forming. Background technique

[0002] The large double flange middle body is a key component in oil and natural gas exploration, as well as chemical, nuclear power and other pipeline technical equipment, and is used for the connection of wellhead devices, Christmas tree equipment and transportation pipelines. Products produced by traditional casting and welding methods have poor overall structural strength and low performance, making it difficult to meet high-pressure performance requirements; when free forging is used, due to the complex structure of the forging, it must be heated multiple times, resulting in high energy consumption, low efficiency, The material utilization rate is low, and a large amount of material must be removed by machining before the doub...

Examples

Embodiment Construction

[0030] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed by the above-mentioned technical means, but also include technical solutions composed of any combination of the above-mentioned technical features. The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention, but not to limit the scope of the present invention.

[0031] The specific structure of the horizontal double-acting combined mold in the double flange is as follows: figure 1 As shown, it mainly includes: vertical upper die 1, vertical lower die 2, left horizontal extrusion die 3, right horizontal extrusion die 4, left horizontal punching tool 5, right horizontal punching tool 6, water cooling in the punching needle Device 7, upper die bottom plate 8, lower die bottom ...

technical field

[0001] The invention relates to a one-time extrusion forming method of a horizontal double-action combined die with a full body in a double flange, and belongs to the technical field of metal plastic forming. Background technique

[0002] The large double flange middle body is a key component in oil and natural gas exploration, as well as chemical, nuclear power and other pipeline technical equipment, and is used for the connection of wellhead devices, Christmas tree equipment and transportation pipelines. Products produced by traditional casting and welding methods have poor overall structural strength and low performance, making it difficult to meet high-pressure performance requirements; when free forging is used, due to the complex structure of the forging, it must be heated multiple times, resulting in high energy consumption, low efficiency, The material utilization rate is low, and a large amount of material must be removed by machining before the doub...

Examples

Embodiment Construction

[0030] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed by the above-mentioned technical means, but also include technical solutions composed of any combination of the above-mentioned technical features. The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention, but not to limit the scope of the present invention.

[0031] The specific structure of the horizontal double-acting combined mold in the double flange is as follows: figure 1 As shown, it mainly includes: vertical upper die 1, vertical lower die 2, left horizontal extrusion die 3, right horizontal extrusion die 4, left horizontal punching tool 5, right horizontal punching tool 6, water cooling in the punching needle Device 7, upper die bottom plate 8, lower die bottom ...

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