CN220993234U - Titanium material welding postdrag protection device - Google Patents

Titanium material welding postdrag protection device Download PDF

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Publication number
CN220993234U
CN220993234U CN202322600626.3U CN202322600626U CN220993234U CN 220993234 U CN220993234 U CN 220993234U CN 202322600626 U CN202322600626 U CN 202322600626U CN 220993234 U CN220993234 U CN 220993234U
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China
Prior art keywords
welding
titanium
protection device
cover
protective cover
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CN202322600626.3U
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Chinese (zh)
Inventor
王景才
高文升
张云建
高建君
陆虎
于子健
刘吉兵
徐文艳
王秋莲
李洪申
冯青飞
刘云
孟杰
咸传建
田井兵
孟祥远
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LUXI INDUSTRY EQUIPMENT CO LTD
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LUXI INDUSTRY EQUIPMENT CO LTD
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Abstract

The utility model provides a titanium material welding postdrag protection device which comprises a protection cover, wherein a connecting piece is arranged on the protection cover and fixedly connected with a welding gun, a vent pipe for introducing argon is arranged on the upper surface of the protection cover, a groove for placing the welding gun is formed in one end of the protection cover, a plurality of air inlet pipes communicated with the vent pipe are arranged at the top end inside the protection cover, and a gas buffer assembly is arranged below the air inlet pipes. The utility model has the beneficial effects that: through set up the safety cover on welder, only need single operation can realize the control to molten pool and heat affected zone, effectively solved the unskilled problem of many people mutually supporting during welding, make titanium fully contact the argon gas protection to avoided titanium by the argon gas direct flushing, avoided titanium welding bluing, purple, oxidation and the poor problem of protection effect, improved welding quality and production efficiency obviously.

Description

Titanium material welding postdrag protection device
Technical Field
The utility model relates to the field of welding equipment, in particular to a titanium material welding postdrag protection device.
Background
Titanium equipment in the fields of chemical industry, medicine and the like is widely used. In the application field of titanium alloy, a welding mode is often needed, air holes and embrittlement are two major factors influencing the welding quality of the titanium alloy, and oxidation phenomena of purple, blue and the like generated by contact of the titanium material with air at high temperature can be avoided by increasing the protection range of argon.
The existing gas protection device needs two welders to operate, one welder is responsible for using a welding gun and feeding welding wires, the other welder is responsible for dragging a gas protection cover to a welding line and a heating area above 300 ℃ of a heat affected zone, the welding gun protection dragging cover protects the back of a molten pool, and the back of the molten pool can be protected by a rear protection cover. The welding gas protection device has high requirements on the mutual coordination of two welding workers, and once the gas protection cover is used, the follow-up speed and the welding speed are not adapted, so that the welding quality can be influenced.
In addition, the welding process requires two welders to complete, and the ratio of production efficiency is relatively low. Due to the limitation of the protection range, along with the increase of temperature in the welding process, the capability of the titanium alloy for absorbing oxygen, hydrogen and nitrogen is obviously increased. Nitrogen and oxygen have a large impact on the strength and bending plasticity of the joint, and hydrogen affects mainly the impact toughness of the joint. The air holes are the defects which are most easily generated in the titanium alloy welding, and the titanium alloy welding area is easily polluted by impurity gas to generate the air holes. N2, O2, H2 and the like in the air are all the main reasons for generating titanium alloy welding pores. The occurrence of the air holes can cause the problem of stress concentration of the titanium alloy welding seam, reduce the stress area and seriously influence the quality of the welding seam. Because titanium alloy welding has higher requirements on welding process and post-welding gas protection, research on the application of the titanium alloy post-welding drag protection cover has important significance.
Disclosure of utility model
Aiming at the defects in the prior art, the problem that titanium is oxidized when being in contact with air during welding is solved.
The utility model provides a titanium material welding rear-towing protection device which comprises a protection cover, wherein a connecting piece is arranged on the protection cover and fixedly connected with a welding gun, a vent pipe for introducing argon is arranged on the upper surface of the protection cover, a groove for placing the welding gun is formed in one end of the protection cover, a plurality of air inlet pipes communicated with the vent pipe are arranged at the top end inside the protection cover, and a gas buffer assembly is arranged below the air inlet pipes.
Further, the gas buffer assembly sequentially comprises a copper mesh and a pore plate from top to bottom.
As a preferable scheme, the copper mesh is provided with 3 to 5 layers, and the lowest copper mesh is positioned above the central line of the side plate of the protective cover.
As a preferable scheme, the air inlet pipe is attached to the top plate of the protective cover, and a plurality of small holes are uniformly distributed in the pipe wall of the air inlet pipe.
As a preferable scheme, the connecting piece is a clamping plate respectively arranged at two ends of the groove, and a stud bolt and a nut matched with the stud bolt are arranged between the clamping plates at two ends.
As a preferable scheme, the connecting piece is an L-shaped connecting plate, one end of the connecting plate is fixedly connected with the side face of the welding gun, and the other end of the connecting plate is fixedly connected with the top of the protective cover.
As a preferable scheme, the depth of the protective cover is 15-20mm higher than the outer diameter of the air inlet pipe.
As a preferable scheme, the groove is semicircular, and the radius is 8-10mm.
As a preferable mode, the protective cover is an aluminum plate cover or a titanium plate cover.
The utility model has the beneficial effects that:
1. according to the welding gun, the protective cover is arranged on the welding gun, so that the control of the molten pool and the heat affected zone can be realized only by single operation, and the problem that a plurality of people are unskilled in mutual matching during welding is effectively solved.
2. According to the utility model, through the arrangement of the protective cover and the buffer component, the titanium material is fully contacted with argon for protection, the titanium material is prevented from being directly flushed by the argon, the problems of bluing, purple, oxidation and poor protection effect of the titanium material during welding are avoided, and the welding quality and the production efficiency are remarkably improved.
3. The utility model has simple structure and obvious effect, is easy to popularize to material welding work with similar characteristics, and can be used for welding zirconium materials through experiments of technicians.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which
Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model.
Fig. 2 is a top view of embodiment 1 of the present utility model.
FIG. 3 is a cross-sectional view A-A in FIG. 2 of example 1 of the present utility model.
Fig. 4 is a schematic structural diagram of embodiment 2 of the present utility model.
The reference numerals in the drawings are:
1. A protective cover; 2. a groove; 3. a welding gun; 5. a vent pipe; 6. a copper mesh; 7. an air inlet pipe; 8. an orifice plate; 10. a clamping plate; 11. a stud bolt; 12. a nut; 13. and (5) connecting a plate.
Detailed Description
The utility model will be further described with reference to the drawings and examples for the purpose of illustrating the features of the utility model.
Example 1:
Referring to fig. 1 to 3, the embodiment provides a titanium welding rear-towing protection device, which comprises a protection cover 1 with a depth of 20mm, wherein an aluminum plate cover is used as a material of the protection cover 1, the protection cover 1 is provided with a connecting piece fixedly connected with a welding gun 3, the connecting piece of the embodiment is a clamping plate 10 respectively arranged at two ends of a groove 2, and a stud 11 and a nut 12 matched with the stud 11 are arranged between the clamping plates 10 at two ends to strengthen the welding gun 3 and the protection device.
The breather pipe 5 of letting in argon gas is set up on 1 upper surface of safety cover, the recess 2 of placing welder 3 is offered to 1 one end of safety cover, and recess 2 is semicircular, and the radius is 8mm, and welder 3 just sets up inside the recess, makes the abundant contact between bonding tool and the argon gas, 1 inside top of safety cover sets up the intake pipe 7 of a plurality of and breather pipe 5 intercommunication, intake pipe 7 and 1 roof laminating of safety cover, and intake pipe 7 pipe wall equipartition sets up a plurality of apertures, and intake pipe 7 can arrange into arrangement modes such as X shape, W shape or N shape, and this embodiment adopts X shape to arrange, and intake pipe 7's pipe diameter is 5mm.
The air buffer assembly of this embodiment of air intake pipe 7 below sets up the gaseous buffer assembly from top to bottom in proper order and includes copper mesh 6 and orifice plate 8, and copper mesh and orifice plate can realize buffering argon gas flow's technological effect, avoid argon gas direct-flushing copper mesh, cause the problem of local bluing of welding seam, purple oxidation, wherein copper mesh 6 sets up 3 layers, and 60 meshes of copper mesh of every layer, and lower floor copper mesh 6 is located 5mm above the central line department of safety cover 1 curb plate, makes the argon gas that has abundant space and welding seam contact through buffering.
The application method of the utility model comprises the following steps:
Before welding, a welding gun is placed in the groove, the welding gun is clamped by a tightening bolt to realize fixation, the direction of the protective cover is adjusted to be opposite to the welding work, the argon conveying device is opened, argon is input into the shell from the argon pipeline, and the protective cover is fully filled with the argon. And starting the welding gun to weld, and adjusting the welding speed according to the length of the protective cover to enable the welded seam to be white.
Example 2:
Referring to fig. 3 and 4, the embodiment provides a titanium welding rear-towing protection device, which comprises a protection cover 1 with a depth of 25mm, wherein the protection cover 1 is made of a titanium plate cover, the protection cover 1 is fixedly connected with a welding gun 3 through a connecting piece, the connecting piece in the embodiment is an L-shaped connecting plate 13, one end of the connecting plate is fixedly connected with the side face of the welding gun 3, the other end of the connecting plate is fixedly connected with the top of the protection cover 1, and the protection device is fixed on the welding gun 3 before welding.
The breather pipe 5 of letting in argon gas is set up on 1 upper surface of safety cover, the recess 2 of placing welder 3 is offered to 1 one end of safety cover, and recess 2 is semicircular, and the radius is 8mm, and welder 3 just sets up inside the recess, makes the abundant contact between bonding tool and the argon gas, 1 inside top of safety cover sets up the intake pipe 7 of a plurality of and breather pipe 5 intercommunication, intake pipe 7 and 1 roof laminating of safety cover, and intake pipe 7 pipe wall equipartition sets up a plurality of apertures, and intake pipe 7 can arrange into arrangement modes such as X shape, W shape or N shape, and this embodiment adopts the N shape to arrange, and intake pipe 7's pipe diameter is 5mm.
The air buffer assembly of this embodiment of air intake pipe 7 below sets up the gaseous buffer assembly from top to bottom in proper order and includes copper mesh 6 and orifice plate 8, and copper mesh and orifice plate can realize buffering argon gas flow's technological effect, avoid argon gas direct-flushing copper mesh, cause the problem of local bluing of welding seam, purple oxidation, wherein copper mesh 6 sets up 5 layers, and every layer copper mesh 40 mesh, and lower floor copper mesh 6 is located the central line department of safety cover 1 curb plate, makes the argon gas that has abundant space and welding seam contact through the buffering.
The application method of the utility model comprises the following steps:
before welding, a welding gun is placed in the groove, the direction of the protective cover is adjusted to be opposite to the welding operation, the protective device and the welding gun are fixed together through the L-shaped plate, the argon conveying device is opened, argon is input into the shell from the argon pipeline, and the protective cover is fully filled with the argon. And starting the welding gun to weld, and adjusting the welding speed according to the length of the protective cover to enable the welded seam to be white.
The above examples and drawings are only for illustrating the technical aspects of the present utility model, but not for limiting the same, and it should be understood by those skilled in the art that the present utility model is described in detail with reference to the preferred embodiments, and that the changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the claims of the present utility model. Other related art structures not disclosed in detail in the present utility model are prior art in the field.

Claims (9)

1. The utility model provides a titanium material welding postdrag protection device, includes safety cover (1), and safety cover (1) set up connecting piece fixed connection welder (3), and safety cover (1) upper surface sets up breather pipe (5) of letting in argon gas, its characterized in that: the welding gun is characterized in that a groove (2) for placing the welding gun (3) is formed in one end of the protective cover (1), a plurality of air inlet pipes (7) communicated with the vent pipes (5) are arranged at the top end inside the protective cover (1), and a gas buffering assembly is arranged below the air inlet pipes (7).
2. The titanium welding post-dragging protection device according to claim 1, wherein: the gas buffer assembly sequentially comprises a copper net (6) and a pore plate (8) from top to bottom.
3. The titanium welding post-dragging protection device according to claim 2, wherein: the copper net (6) is arranged in 3 to 5 layers, and the lowest copper net (6) is positioned above the central line of the side plate of the protective cover (1).
4. The titanium welding post-dragging protection device according to claim 1, wherein: the air inlet pipe (7) is attached to the top plate of the protective cover (1), and a plurality of small holes are uniformly distributed in the pipe wall of the air inlet pipe (7).
5. The titanium welding post-dragging protection device according to claim 1, wherein: the connecting piece is a clamping plate (10) respectively arranged at two ends of the groove (2), and a stud bolt (11) and a nut (12) which are matched for use are arranged between the clamping plates (10) at the two ends.
6. The titanium welding post-dragging protection device according to claim 1, wherein: the connecting piece is an L-shaped connecting plate (13), one end of the connecting plate is fixedly connected with the side face of the welding gun (3), and the other end of the connecting plate is fixedly connected with the top of the protective cover (1).
7. The titanium welding post-dragging protection device according to claim 1, wherein: the depth of the protective cover (1) is 15-20mm higher than the outer diameter of the air inlet pipe (7).
8. The titanium welding post-dragging protection device according to claim 1, wherein: the groove (2) is semicircular, and the radius is 8-10mm.
9. The titanium welding post-dragging protection device according to claim 1, wherein: the protective cover (1) is an aluminum plate cover or a titanium plate cover.
CN202322600626.3U 2023-09-25 2023-09-25 Titanium material welding postdrag protection device Active CN220993234U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322600626.3U CN220993234U (en) 2023-09-25 2023-09-25 Titanium material welding postdrag protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322600626.3U CN220993234U (en) 2023-09-25 2023-09-25 Titanium material welding postdrag protection device

Publications (1)

Publication Number Publication Date
CN220993234U true CN220993234U (en) 2024-05-24

Family

ID=91116521

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322600626.3U Active CN220993234U (en) 2023-09-25 2023-09-25 Titanium material welding postdrag protection device

Country Status (1)

Country Link
CN (1) CN220993234U (en)

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