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Mixed double gas output device

A technology of output device and mixed gas, applied in the direction of providing/removing protective gas devices, welding accessories, etc., can solve the problems of gas-free welding and increased probability of defective products, so as to improve quality, improve welding quality, and reduce the occurrence of defective products The effect of the probability of

Pending Publication Date: 2019-10-11
TIANJIN DONGFANG XINGTAI AUTO PARTS
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Problems solved by technology

However, at present, the input of welding shielding gas is generally single-pipe input, and it is easy to cause gas-free welding during the ventilation period, resulting in an increase in the probability of defective products

Method used

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] see Figure 1~3 , in the embodiment of the present invention, a mixed double gas output device includes a main air pipe 1 and a controller 2, a first gas flowmeter 3 is fixedly installed on one side of the main air pipe 1, and the outlet of the first gas flowmeter 3 The air port is fixedly equipped with a connecting air pipe 6, the air outlet connecting the air pipe 6 is fixedly installed with a needle valve 7, the air outlet of the needle valve 7 is fi...

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Abstract

The invention discloses a mixed double gas output device. The mixed double gas output device comprises a main gas pipe, and further comprises a controller. A first gas flowmeter is fixedly installed on one side of the main gas pipe, a connecting gas pipe is fixedly installed at a gas outlet of the first gas flowmeter, a needle valve is fixedly installed at a gas outlet of the connecting gas pipe,and a gas outlet pipe is fixedly installed at a gas outlet of the needle valve. According to the mixed double gas output device, by using a first mixed gas input pipe, a pipeline joint, a third electromagnetic valve, a secondary branch gas inlet pipe and a second mixed gas input pipe cooperatively, the change of single pipeline input to double pipeline input is beneficial to avoid the absence of welding protective gas in the main gas pipe during the gas exchange and is helpful to avoid the occurrence of gas-free welding, and thus helping to reduce the probability of producing defective products. By using the first gas flowmeter, the connecting gas pipe, the needle valve, the gas outlet pipe and a second gas flowmeter cooperatively, the flow rate of the welding productive gas can be controlled.

Description

technical field [0001] The invention relates to an output device, in particular to a mixed double gas output device. Background technique [0002] Welding, also known as welding or welding, is a manufacturing process and technology for joining metal or other thermoplastic materials such as plastics by means of heating, high temperature or high pressure. There are many sources of energy for modern welding, including gas flames, electric arcs, lasers, electron beams, friction, and ultrasound. In addition to its use in factories, welding can also be performed in a variety of environments, such as in the field, underwater and in space. Welding, wherever it occurs, can pose a hazard to the operator, so proper precautions must be taken when welding. Possible injuries caused by welding to the human body include burns, electric shock, visual impairment, inhalation of toxic gases, and excessive ultraviolet radiation. Welding shielding gas industry term, gas shielded welding has de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/32
CPCB23K9/325
Inventor 崔忠宝崔忠骏崔忠旺李瑞达崔卓
Owner TIANJIN DONGFANG XINGTAI AUTO PARTS
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