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Circumferential all-position tig automatic surfacing welding equipment and welding method for inner surface of flange sealing groove

A flange sealing and automatic surfacing welding technology, which is applied in welding equipment, arc welding equipment, metal processing equipment, etc., can solve the problems of long production cycle and increased production cost, and achieve excellent surfacing welding quality, cost saving, and easy welding The effect of post-processing

Inactive Publication Date: 2016-01-20
CHINA FIRST HEAVY IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Increase production cost, long production cycle

Method used

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  • Circumferential all-position tig automatic surfacing welding equipment and welding method for inner surface of flange sealing groove
  • Circumferential all-position tig automatic surfacing welding equipment and welding method for inner surface of flange sealing groove
  • Circumferential all-position tig automatic surfacing welding equipment and welding method for inner surface of flange sealing groove

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Experimental program
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Embodiment Construction

[0036] figure 1 It shows a structural diagram of a circumferential all-position TIG automatic surfacing equipment for the inner surface of a flange sealing groove. exist figure 1 , 2 Among them, the tilting mechanism 1 is composed of a connecting seat 1a, a tilting motor reducer 1b, and a tilting rotating body 1c. The connecting seat 1a includes a connection and fixing surface, and on the left and right sides of the connecting surface, there are respectively a left bearing side plate 1a3 and a bearing seat. The right support side plate 1a4 of the bearing block has a left inclined bearing chamber 1a5 on the left support side plate. There is a right inclined bearing chamber 1a6 on the right support side plate, a rib plate 1a1 is arranged in the middle of the left and right support side plates, and a reinforcement plate 1a2 is arranged on the outside. The tilt motor reducer 1b is installed on the right side of the right tilt bearing chamber 1a6. The output shaft of the reducer...

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Abstract

The invention provides a flange sealing groove inner surface annular all-position TIG (Tungsten Inert Gas) automatic surface welding equipment and a welding method thereof, belonging to the technical field of automatic welding equipments and welding methods. The automatic welding equipment mainly comprises a position regulation mechanism and a TIG rotary welding head, wherein the TIG rotary welding head is used for regulating a surface welding position of a flange sealing groove through the position regulation mechanism. An electric control device is used for setting parameters such as welding current, a wire feed speed, a welding speed and arc voltage control according to the circumferential position located by the welding head and a cycle of 12 preset partitions so as to carry out welding control. The rotational radius of the welding head can be automatically changed inwards or outwards according to set width after a cycle of welding is finished, so that surface welding in the flange sealing groove is realized, and surface welding on the side surface of the flange sealing groove is carried out after an angle of a welding gun is changed until one end surface is piled up. The surface welding surface is smooth, so that the problems of cutter beating and long processing time in the process of processing the flange sealing groove by manual surface welding at a later stage are avoided, surface welding quality is superior to quality of manual surface welding, and the problem that a product is repaired due to defects after manual surface welding is reduced.

Description

technical field [0001] The invention relates to a ring-direction all-position TIG automatic surfacing welding equipment and welding method for the inner surface of a flange sealing groove, and is especially suitable for welding and heat treatment of a large-tonnage container, and sealing of the anti-corrosion layer of the flange sealing groove after surfacing welding and heat treatment The utility model relates to welding after the groove hardness is decreased to improve the surface hardness of the surfacing layer of the sealing groove, and the device belongs to the technical field of automatic welding equipment and welding methods. Background technique [0002] The flange sealing groove is the part where the sealing ring is installed on the flange of the connection joint between the container and the external pipeline. It is a pipe joint commonly used in containers and pipe networks in the petrochemical field. Usually, the anti-corrosion layer of the flange sealing groove o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/167B23K9/04B23K9/12
Inventor 谷文李坚
Owner CHINA FIRST HEAVY IND
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