CN205520157U - Vacuum nitrogen protection device - Google Patents
Vacuum nitrogen protection device Download PDFInfo
- Publication number
- CN205520157U CN205520157U CN201620120849.7U CN201620120849U CN205520157U CN 205520157 U CN205520157 U CN 205520157U CN 201620120849 U CN201620120849 U CN 201620120849U CN 205520157 U CN205520157 U CN 205520157U
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- CN
- China
- Prior art keywords
- shell
- protection device
- nitrogen protection
- screw mandrel
- vacuum nitrogen
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Abstract
The utility model discloses a vacuum nitrogen protection device, including shell and the forming wheel group that is equipped with the inner chamber. It goes into the gas port to be equipped with entry, export, welding mouth and a plurality of on the shell. Forming wheel group includes two wheel components and supporting component, and these two wheel components are located the cavity of shell. Wheel components includes vertical scroll and gyro wheel, and the rotatable suit of gyro wheel is equipped with the recess on the gyro wheel on the vertical scroll, and this recess extends along the circumferencial direction of gyro wheel, and the recess of two wheel components's gyro wheel forms the mouth that takes shape. Being equipped with the guide block on the vertical scroll, being equipped with the guide way on the shell, the guide block is installed in the guide way, and the vertical scroll is installed on the supporting component, and this supporting component can drive wheel components and remove along the guide way. The utility model discloses a vacuum nitrogen protection device, the pipe fitting semi -manufactured goods weld in it, can improve the welding firmness and avoid the welding seam crackle to appear to improve welding quality.
Description
Technical field
This utility model belongs to pipe fitting welding protection device technical field, relates to a kind of vacuum nitrogen protection device.
Background technology
In pipe fitting production process, first plate is carried out preliminarily forming, become the pipe fitting in round tube shape half after plate preliminarily forming and become
Then pipe fitting semi-finished product are welded by product.At present, owing to not having nitrogen to protect in welding process, welding process easily occurs
Oxidation, causes welding firm not, and after welding, weld seam is easily generated stress concentration, and weld seam is easy to crack.
To this end, a kind of vacuum nitrogen protection device of necessary design, in this vacuum nitrogen protection device, pipe fitting semi-finished product are entered
Row welding, prevents welding process from oxidation occur, improves firm welding degree, and reduce the stress of weld seam, it is to avoid crackle occurs in weld seam.
Utility model content
The purpose of this utility model is to provide a kind of vacuum nitrogen protection device, becomes pipe fitting half in this vacuum nitrogen protection device
Product weld, and to improve firm welding degree and to avoid weld seam crackle occur, thus improve welding quality.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of vacuum nitrogen protection device, including
It is provided with the shell of inner chamber and shapes wheels；
Described shell is provided with entrance, outlet, soldering opening and several are for the air intake to described inner chamber input gas；
Described shaping wheels include two roll wheel assemblies and a support component, and the two roll wheel assembly is positioned at the cavity of described shell,
Described roll wheel assembly includes that vertical shaft and roller, described roller are rotatably set on described vertical shaft, and described roller is provided with groove,
This groove extends along the circumferencial direction of described roller, and the groove of the roller of said two roll wheel assembly forms shaped opening, described vertical shaft
Being provided with guide pad, described shell is provided with gathering sill, and described guide pad is installed in described gathering sill, and described vertical shaft is installed on
On described support component, this support component can drive described roll wheel assembly to move along described gathering sill.
Further, described support component includes that screw mandrel, slide block and sleeve, described sleeve are fixed on described shell, described silk
Bar is set in described sleeve, and the outside of described shell is stretched out in one end of described screw mandrel, and the external part of described screw mandrel is set with nut,
Being set with described slide block on described screw mandrel at the inner chamber of described shell, this slide block is connected with described wire rod thread, and described vertical shaft sets
Having projection, described slide block to be provided with draw-in groove, described projection loads in described draw-in groove, and described screw mandrel rotates and drives described slide block along institute
State screw mandrel to move, thus drive described roll wheel assembly to move along described gathering sill.
Further, described screw mandrel is parallel with described gathering sill.
Further, the quantity of described shaping wheels is two.
Further, described shell being fixed with cooling tube, this cooling tube is provided with through hole, one end of this through hole and described outlet
Corresponding and connect.
Further, described cooling tube is provided with for the air intake to described through hole input gas.
Further, the cross section of described groove is circular arc.
Further, described shell is provided with mounting seat.
This utility model beneficial effect: vacuum nitrogen protection device of the present utility model, welding process peripheral nitrogen cylinder pass through into
QI KOU inputs nitrogen to the inner chamber of shell, makes the inner chamber of shell be full of nitrogen, and during welding, pipe fitting semi-finished product are formed by shaped opening,
Outside weldings head stretches into inner chamber from soldering opening and welds pipe fitting semi-finished product.Owing to inner chamber is full of nitrogen, can prevent out during welding
Now aoxidize, and shaped opening is welded while forming pipe fitting semi-finished product, thus improve firm welding degree；Welding
Rear nitrogen butt welded seam uniformly cools down, and stress is concentrated to prevent weld seam from occurring, thus avoids weld seam and crackle occur.
Accompanying drawing explanation
Fig. 1 is the perspective view of the vacuum nitrogen protection device of this utility model embodiment.
Fig. 2 is the top view of the vacuum nitrogen protection device of this utility model embodiment.
Fig. 3 is the upward view of Fig. 2.
Fig. 4 is A-A sectional view in Fig. 2.
Fig. 5 is B-B sectional view in Fig. 3.
Fig. 6 is C direction view in Fig. 3.
Description of reference numerals:
Shell 1, cooling tube 2, roll wheel assembly 3, support component 4, shaped opening 5, gas-tpe fitting 6；
Inner chamber 11, soldering opening 12, entrance 13, outlet 14, mounting seat 15；
Through hole 21；
Vertical shaft 31, roller 32；
Guide pad 311, projection 312；
Groove 321；
Slide block 41, screw mandrel 42, sleeve 43, nut 44.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, the technical scheme in this utility model embodiment is clearly and completely retouched
State, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on this
Embodiment in utility model, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of this utility model protection.
As shown in Figures 1 to 6, the vacuum nitrogen protection device of the present embodiment.Vacuum nitrogen protection device includes being machined with inner chamber 11
Shell 1 and two shape wheels.It is machined with entrance 13, outlet 14, soldering opening 12 on shell 1 and several are for inwardly
Chamber 11 inputs the air intake of gas, is provided with gas-tpe fitting 6 in these air intakes, and outside nitrogen cylinder is connect with trachea by appendix
6 connect.Shell 1 upper bottom portion is further fixed on a mounting seat 15.
Shaping wheels and include two roll wheel assemblies 3 and a support component 4, the two roll wheel assembly 3 is positioned at the cavity of shell 1.
Roll wheel assembly 3 includes vertical shaft 31 and roller 32, and roller 32 is rotatably set on vertical shaft 31.It is machined with transversal on roller 32
Face is the groove 321 of circular arc, and this groove 321 extends along the circumferencial direction of roller 32, the roller 32 of two roll wheel assemblies 3
Groove 321 form shaped opening 5.The lower end of vertical shaft 31 is machined with guide pad 311 and projection 312, shell 1 is machined with
The gathering sill that this guide pad 311 matches, guide pad 311 is installed in gathering sill.
Propping up support component 4 and include screw mandrel 42, slide block 41 and sleeve 43, sleeve 43 is fixed on shell 1, and screw mandrel 42 gap is joined
Trap is loaded in sleeve 43, and screw mandrel 42 is parallel with gathering sill.The outside of shell 1 is stretched out in one end of screw mandrel 42, screw mandrel 42
External part is set with nut 44, and nut 44 is threadeded with screw mandrel 42.It is set with cunning at the inner chamber 11 of shell 1 on screw mandrel 42
Block 41, this slide block 41 is threadeded with screw mandrel 42.Being machined with draw-in groove on slide block 41, projection 312 loads in draw-in groove.Support
The principle that assembly 4 drives two roll wheel assemblies 3 to move is: unclamping nut 44, then twisting screw mandrel 42 rotates, and screw mandrel 4 drives
Movable slider 41 moves along screw mandrel 42, thus drives two roll wheel assemblies 3 to move along gathering sill.
Preferred design, shell 1 is fixed with cooling tube 2, this cooling tube 2 is machined with through hole 21, the one of this through hole 21
Hold corresponding with outlet 14 and mutually connect.Also be machined with on cooling tube 2 two for the air intake inputting gas to through hole 21,
Being fitted with a gas-tpe fitting 6 in the two air intake, outside nitrogen cylinder is connected with the two gas-tpe fitting 6 by appendix.
Below the operation principle of vacuum nitrogen protection device of the present utility model is described in further detail.
During welding, pipe fitting semi-finished product stretch into the inner chamber 11 of shell 1 from entrance 13, and sequentially pass through two the most corresponding shaping wheels
The shaped opening 5 of group, outlet 1, through hole 21, finally the one end from cooling tube 2 is stretched out, and external driver device drives pipe fitting half to become
Product move, and in moving process, nitrogen cylinder inputs nitrogen to the inner chamber 11 of shell 1 and the through hole 21 of cooling tube 2, and inner chamber 11 is with logical
Hole 21 is full of nitrogen, and pipe fitting semi-finished product are formed by shaped opening 5 simultaneously, and outside weldings head stretches into inner chamber 11 from soldering opening 12
Pipe fitting semi-finished product are welded.Owing to inner chamber 11 is full of nitrogen, oxidation can be prevented during welding, thus improve welding jail
Soundness, nitrogen butt welded seam uniformly cools down, and stress is concentrated to prevent weld seam from occurring, thus avoids weld seam and crackle occur.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all new in this practicality
Within the spirit of type and principle, any modification, equivalent substitution and improvement etc. made, should be included in protection of the present utility model
Within the scope of.
Claims (8)
1. a vacuum nitrogen protection device, it is characterised in that include the shell (1) being provided with inner chamber (11) and shape wheels；
Described shell (1) is provided with entrance (13), outlet (14), soldering opening (12) and several are for the air intake to described inner chamber (11) input gas；
nullDescribed shaping wheels include two roll wheel assemblies (3) and a support component (4)，The two roll wheel assembly (3) is positioned at the cavity of described shell (1)，Described roll wheel assembly (3) includes vertical shaft (31) and roller (32)，Described roller (32) is rotatably set on described vertical shaft (31)，Described roller (32) is provided with groove (321)，This groove (321) extends along the circumferencial direction of described roller (32)，The groove (321) of the roller (32) of said two roll wheel assembly (3) forms shaped opening (5)，Described vertical shaft (31) is provided with guide pad (311)，Described shell (1) is provided with gathering sill，Described guide pad (311) is installed in described gathering sill，Described vertical shaft (31) is installed on described support component (4)，This support component (4) can drive described roll wheel assembly (3) to move along described gathering sill.
nullA kind of vacuum nitrogen protection device the most according to claim 1，It is characterized in that，Described support component (4) includes screw mandrel (42)、Slide block (41) and sleeve (43)，Described sleeve (43) is fixed on described shell (1)，Described screw mandrel (42) is set in described sleeve (43)，The outside of described shell (1) is stretched out in one end of described screw mandrel (42)，The external part of described screw mandrel (42) is set with nut (44)，Inner chamber (11) place of the upper described shell (1) of described screw mandrel (42) is set with described slide block (41)，This slide block (41) is threadeded with described screw mandrel (42)，Described vertical shaft (31) is provided with projection (312)，Described slide block (41) is provided with draw-in groove，Described projection (312) loads in described draw-in groove，Described screw mandrel (42) rotates and drives described slide block (41) mobile along described screw mandrel (42)，Thus drive described roll wheel assembly (3) to move along described gathering sill.
A kind of vacuum nitrogen protection device the most according to claim 2, it is characterised in that described screw mandrel (42) is parallel with described gathering sill.
A kind of vacuum nitrogen protection device the most according to claim 1, it is characterised in that the quantity of described shaping wheels is two.
A kind of vacuum nitrogen protection device the most according to claim 1; it is characterized in that; cooling tube (2) it is fixed with on described shell (1); this cooling tube (2) is provided with through hole (21), and one end of this through hole (21) is corresponding with described outlet (14) and connects.
A kind of vacuum nitrogen protection device the most according to claim 5, it is characterised in that described cooling tube (2) is provided with for the air intake to described through hole (21) input gas.
A kind of vacuum nitrogen protection device the most according to claim 1, it is characterised in that the cross section of described groove (321) is circular arc.
A kind of vacuum nitrogen protection device the most according to claim 1, it is characterised in that described shell (1) is provided with mounting seat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620120849.7U CN205520157U (en) | 2016-02-15 | 2016-02-15 | Vacuum nitrogen protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620120849.7U CN205520157U (en) | 2016-02-15 | 2016-02-15 | Vacuum nitrogen protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205520157U true CN205520157U (en) | 2016-08-31 |
Family
ID=56777458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620120849.7U Expired - Fee Related CN205520157U (en) | 2016-02-15 | 2016-02-15 | Vacuum nitrogen protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205520157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081540A (en) * | 2016-02-15 | 2017-08-22 | 佛山市中牌机械有限公司 | vacuum nitrogen protection device |
-
2016
- 2016-02-15 CN CN201620120849.7U patent/CN205520157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081540A (en) * | 2016-02-15 | 2017-08-22 | 佛山市中牌机械有限公司 | vacuum nitrogen protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20190215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |