CN205702814U - Protection device in rustless steel tuber weld seam - Google Patents
Protection device in rustless steel tuber weld seam Download PDFInfo
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- CN205702814U CN205702814U CN201620552381.9U CN201620552381U CN205702814U CN 205702814 U CN205702814 U CN 205702814U CN 201620552381 U CN201620552381 U CN 201620552381U CN 205702814 U CN205702814 U CN 205702814U
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Abstract
This utility model welding technology field, is specifically related to protection device in rustless steel tuber weld seam.It includes protection device main body, protection device main body is provided with noble gas air inlet, cooling water inlet conduit, coolant outlet conduit, noble gas effect groove, through hole, pipe fitting and level connection joint bar, the port of protection device main body both sides is respectively equipped with the noble gas air inlet that position is corresponding, cooling water inlet conduit, coolant outlet conduit and through hole, through hole is even number, and connect same pipe fitting between two adjacent through-holes, protection device main body upper surface horizontally set noble gas effect groove, protection device main body lower end connects level connection joint bar, level connection joint bar connecting machine tool；Cooling water inlet catheter position is higher than coolant outlet catheter position.This utility model protective gas consumption is few, and in being suitable for the weld seam of different-diameter steel pipe, steel pipe inner wall weld seam both sides material can be played a supportive role by protection simultaneously, it is to avoid deformation.Can quickly reduce weld seam inner wall temperature.
Description
Technical field
This utility model welding technology field, is specifically related to protection device in rustless steel tuber weld seam.
Background technology
Rustless steel tuber is during welded still pipe, if having oxygen and bead contact, oxidation reaction causes weld seam
Welding quality is relatively low, affects the performance of formed pipe, and simultaneous oxidation reaction also can make weld seam turn black, affect finished product aesthetic property, therefore
The inside and outside tube wall to weld is needed to use inert gas-shielded arc welding to connect.More employing single-sided welding during rustless steel light wall pipe TIG weldering
Double-faced forming mode, the material on weld seam both sides is easily to center of circle Direction distortion, and the steel pipe making welding is ellipticity, is regulated by mould
The most difficult circle of recovering, therefore needs to increase internal backing plate and prevents deformation during welding.In current weld seam, protection against oxidation uses
Inside pipe wall at weld seam two ends adds the method for plastics sprue, and the method energy butt welded seam plays certain anti-oxidation function, but for
The steel pipe poor universality of different-diameter；For the water pipe precaution weak effect being relatively large in diameter, protective gas waste is bigger；Weld seam protection
Section rate of cooling is slow, and cooling section is long, it is impossible to preferably meet Production requirement；Weld material can not be prevented to be deformed inward.
Utility model content
This utility model solves the technical problem that it is that protection against oxidation uses in the pipe at weld seam two ends in existing weld seam
Wall adds the method for plastics sprue, and the method energy butt welded seam plays certain anti-oxidation function, but the steel pipe for different-diameter leads to
Poor by property；For the water pipe precaution weak effect being relatively large in diameter, protective gas waste is bigger.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme: protect in rustless steel tuber weld seam
Protection unit, including protection device main body, protection device main body is provided with noble gas air inlet, cooling water inlet conduit, cooling
Water outlet conduit, noble gas effect groove, through hole, pipe fitting and level connection joint bar, the port of protection device main body both sides is respectively
Being provided with the corresponding noble gas air inlet in position, cooling water inlet conduit, coolant outlet conduit and through hole, through hole is even number
Individual, and between two adjacent through-holes, connect same pipe fitting, protection device main body upper surface horizontally set noble gas effect groove,
Protection device main body lower end connects level connection joint bar, level connection joint bar connecting machine tool；Cooling water inlet catheter position is higher than cooling
Water outlet conduit position.
Using technique scheme, protection device main body is connected on lathe by level connection joint bar；Level connection joint bar is sent out
Raw bending makes protection device main body combine closely with steel pipe inwall.In work process, protection device must be with the steel on weld seam both sides
Inside pipe wall contacts the most closely.Level connection joint strip adoption metal material, links together with tubulation machine tool main body.Peace
Making level connection joint bar during dress is certain deformation, utilizes protection device that the elasticity of metal makes to be attached thereto preferably and steel pipe
Inner wall sealing links together.This utility model protective gas consumption is few, only need to be full of protective gas in protection device and not
It is to be each filled with protecting gas at steel pipe inner wall.In being suitable for the weld seam of different-diameter steel pipe, protection can be to steel pipe inner wall weld seam two simultaneously
Sapwood material plays a supportive role, it is to avoid deformation.Can quickly reduce weld seam inner wall temperature, it is to avoid protection section long protective gas waste.
Device easy installation and removal, cooling medium easy to drawing materials, low cost, easily realize automatization.In this protection device, noble gas passes through
Inert gas import enters in protection device.Protection device is in the inside at steel pipe forming, to just at the back, molten bath of molding
Inert gas shielding is carried out, it is to avoid steel pipe seam hot stage and oxygen and foreign gas with molded temperature higher part position weld seam
React.In order to make noble gas have bigger contacting with weld seam inner surface, so noble gas to be opened effect groove.And welding
After completing, weld seam interior surface is in less convex, opens effect groove and protection device also can be avoided not come in contact with weld seam and be
Occur to seal basis after the segment distance of weld seam both sides one.
Further, described through hole is six, and pipe fitting is three, reasonably weld can be carried out cooling process.
Further, described noble gas effect groove is semicircular arc structure.
Further, described pipe fitting is " u "-shaped structure, and opening part connects adjacent through hole respectively.Pipe fitting is in order to faster
The temperature reducing weld seam to pass to the heat of protection device by protective gas effect groove and to improve.Through hole is to quickly reduce
Weld seam temperature but do not change the mechanical property of weld seam.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of protection device in this utility model rustless steel tuber weld seam.
Detailed description of the invention
As shown in Figure 1: protection device in rustless steel tuber weld seam, including protection device main body 1, protection device main body 1
It is provided with noble gas air inlet 1-2, cooling water inlet conduit 1-3, coolant outlet conduit 1-4, noble gas effect groove 1-
5, through hole 1-6, pipe fitting 1-7 and level connection joint bar 2, it is corresponding that the port of protection device main body 1 both sides is respectively equipped with position
Noble gas air inlet 1-2, cooling water inlet conduit 1-3, coolant outlet conduit 1-4 and through hole 1-6, through hole 1-6 is six,
Pipe fitting 1-7 is three, and connects same pipe fitting 1-7 between two adjacent through-holes 1-6, and protection device main body 1 upper surface is horizontal
Arranging noble gas effect groove 1-5, protection device main body 1 lower end connects level connection joint bar 2, level connection joint bar 2 connecting machine tool；Cold
But water inlet conduit 1-3 position is higher than coolant outlet conduit 1-4 position.Described noble gas effect groove 1-5 is semicircular arc
Structure.Described pipe fitting 1-7 is " u "-shaped structure, and opening part connects adjacent through hole 1-6 respectively.
In work, protection device main body 1 is connected on lathe by level connection joint bar 2；Level connection joint bar 2 bends and makes
Protection device main body 1 is combined closely with steel pipe inwall.In work process, protection device main body 1 must be with the steel pipe on weld seam both sides
Inwall contacts the most closely.Level connection joint bar 2 uses metal material, links together with tubulation machine tool main body.Peace
Making level connection joint bar 2 in certain deformation during dress, the protection device main body 1 utilizing the elasticity of metal to make to be attached thereto is preferable
It is sealed connected together with steel pipe inner wall.This utility model protective gas consumption is few, only need to be full of guarantor in protection device main body 1
Protect gas rather than be each filled with protecting gas at steel pipe inner wall.In being suitable for the weld seam of different-diameter steel pipe, protection can be to steel pipe simultaneously
Inwall weld seam both sides material plays a supportive role, it is to avoid deformation.Can quickly reduce weld seam inner wall temperature, it is to avoid the protection long protection of section
Gas is wasted.Device easy installation and removal, cooling medium easy to drawing materials, low cost, easily realize automatization.Inertia in this protection device
Gas is entered in protection device main body 1 by noble gas air inlet 1-2.It is interior that protection device main body 1 is at steel pipe forming
Portion, to just carrying out inert gas shielding at the back, molten bath of molding and molded temperature higher part position weld seam, it is to avoid steel pipe seam
Hot stage reacts with oxygen and foreign gas.In order to make noble gas have bigger contacting with weld seam inner surface, so
By noble gas by noble gas effect groove 1-5.And welded rear weld seam interior surface in less convex, noble gas
Effect groove 1-5 also can avoid protection device not come in contact with weld seam and simply occur to seal base after the segment distance of weld seam both sides one
Plinth.Described through hole 1-6 is six, and pipe fitting 1-7 is three, reasonably weld can be carried out cooling process.Described indifferent gas
Body effect groove 1-5 is semicircular arc structure.Pipe fitting 1-7 is " u "-shaped structure, and opening part connects adjacent through hole 1-6 respectively.Pipe fitting
1-7 is to pass to the heat of protection device by noble gas effect groove 1-5 and the temperature that improves to reduce weld seam faster.
Through hole 1-6 is not change the mechanical property of weld seam to quickly reduce weld seam temperature.
Above-described is only preferred implementation of the present utility model, it is noted that for those skilled in the art
For, on the premise of without departing from this utility model structure, it is also possible to make some deformation and improvement, also should be considered as this practicality
Novel protection domain, these are all without affecting effect and the practical applicability that this utility model is implemented.
Claims (4)
1. protection device in rustless steel tuber weld seam, it is characterised in that: include protection device main body, protection device main body sets
There are noble gas air inlet, cooling water inlet conduit, coolant outlet conduit, noble gas effect groove, through hole, pipe fitting and level
Connection strap, the port of protection device main body both sides is respectively equipped with the corresponding noble gas air inlet in position, cooling water inlet
Conduit, coolant outlet conduit and through hole, through hole is even number, and connects same pipe fitting between two adjacent through-holes, protection
Apparatus main body upper surface horizontally set noble gas effect groove, protection device main body lower end connects level connection joint bar, level connection joint
Bar connecting machine tool；Cooling water inlet catheter position is higher than coolant outlet catheter position.
Protection device in rustless steel tuber weld seam the most according to claim 1, it is characterised in that: described through hole is six
Individual, pipe fitting is three.
Protection device in rustless steel tuber weld seam the most according to claim 1, it is characterised in that: described noble gas is made
It is semicircular arc structure with groove.
Protection device in rustless steel tuber weld seam the most according to claim 2, it is characterised in that: described pipe fitting is " U "
Shape structure, opening part connects adjacent through hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552381.9U CN205702814U (en) | 2016-06-07 | 2016-06-07 | Protection device in rustless steel tuber weld seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552381.9U CN205702814U (en) | 2016-06-07 | 2016-06-07 | Protection device in rustless steel tuber weld seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205702814U true CN205702814U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620552381.9U Active CN205702814U (en) | 2016-06-07 | 2016-06-07 | Protection device in rustless steel tuber weld seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205702814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001873A (en) * | 2016-06-08 | 2016-10-12 | 重庆巨源不锈钢制品有限公司 | Welding line inner protecting device of stainless steel pipe making machine |
| CN112192098A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Gas protection and cooling device and method for welding |
-
2016
- 2016-06-07 CN CN201620552381.9U patent/CN205702814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001873A (en) * | 2016-06-08 | 2016-10-12 | 重庆巨源不锈钢制品有限公司 | Welding line inner protecting device of stainless steel pipe making machine |
| CN112192098A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Gas protection and cooling device and method for welding |
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