Substrate-formed part preheating device and method of additive and subtractive manufacturing equipment

A preheating device and additive manufacturing technology, which is applied in the field of substrate-formed part preheating device of additive and subtractive material manufacturing equipment, can solve problems such as difficult preheating of formed parts, achieve low cost, reduce labor costs, and reduce local preheating. The effect of hot time

Inactive Publication Date: 2021-03-26
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the method of multi-channel heating rod + thermocouple control is generally used to preheat the substrate, but this method requires drilling and contact heating of the substrate, and it is difficult to preheat the molded part locally

Method used

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  • Substrate-formed part preheating device and method of additive and subtractive manufacturing equipment

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] see figure 1 , a substrate-formed part preheating device for additive and subtractive material manufacturing equipment, comprising an additive robot 3, a material subtractive robot 1, a plate-shaped far-infrared heater 10 and an annular far-infrared heater 7, an additive robot 3, a material subtractive robot The robot 1 , the plate-shaped far-infrared heater 10 and the ring-shaped far-infrared heater 7 all face the molding 8 on the substrate 9 . The additive robot 3 performs additive manufacturing on the substrate 9 through the metal printing head 6 , and the annular far-infrared heater 7 is fixed on the outside of the metal printing head 6 . The plate-shaped far-infrared heater 10 is fixed on the adjustment bracket 12 . The additive robot 3 is connected to the wire feeder 4 , and the wire feeder 4 is connected to the metal printing head 6 through the wire fee...

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Abstract

The invention discloses a substrate-formed part preheating device and method of additive and subtractive manufacturing equipment. According to the device, a far-infrared heating technology is used, non-contact preheating is performed on a substrate and a formed part through a plate-shaped far-infrared heater and an annular far-infrared heater, the plate-shaped far-infrared heater is used for global preheating, the annular far-infrared heater is used for local preheating, global preheating can conduct auxiliary heating on local preheating of the formed part, the plate-shaped far-infrared heaterand the annular far-infrared heater operate cooperatively, local preheating time is shortened, and additive efficiency is improved. Compared with induction heating, furnace heating and other technologies, the device has the advantages that the far-infrared heating technology is safe, efficient and low in cost, and the purposes of shortening the manufacturing period of large and medium structuralparts, reducing the labor cost and increasing the economic benefits can be achieved.

Description

technical field [0001] The invention belongs to the field of laser / arc fuse additive manufacturing (3D printing) of large and medium-sized metal structures, and specifically relates to a substrate-formed part preheating device and method for additive and subtractive material manufacturing equipment. Background technique [0002] In traditional mechanical manufacturing, structural parts are generally processed and formed by subtractive / equal material manufacturing, but for thin-walled parts and more complex structural parts, the traditional processing method is cumbersome and the processing cost is high, especially in aerospace and other fields , Relying on subtractive / equal material manufacturing to process large and medium-sized structural parts has the disadvantages of long cycle, high cost, and low yield. With the rapid development of additive manufacturing technology, the manufacturing problems of large and medium-sized structural parts in aerospace and other fields have...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P23/04B23K37/00
CPCB23K37/00B23P23/04
Inventor 方学伟李战鑫黄科任传奇朱佳乐孙斌蒋笑卢秉恒
Owner XI AN JIAOTONG UNIV
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