CN107081540A - vacuum nitrogen protection device - Google Patents
vacuum nitrogen protection device Download PDFInfo
- Publication number
- CN107081540A CN107081540A CN201610086246.4A CN201610086246A CN107081540A CN 107081540 A CN107081540 A CN 107081540A CN 201610086246 A CN201610086246 A CN 201610086246A CN 107081540 A CN107081540 A CN 107081540A
- Authority
- CN
- China
- Prior art keywords
- shell
- protection device
- roller
- nitrogen protection
- screw mandrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of vacuum nitrogen protection device, including the shell provided with inner chamber and shaping wheel group.Shell is provided with entrance, outlet, soldering opening and several air intakes.Shaping wheel group includes two roll wheel assemblies and support component, and the two roll wheel assemblies are located in the cavity of shell.Roll wheel assembly includes vertical shaft and roller, and roller is rotatably set on vertical shaft, and roller is provided with groove, circumferencial direction extension of the groove along roller, the groove formation shaped opening of the roller of two roll wheel assemblies.Vertical shaft is provided with guide pad, and shell is provided with guide groove, and guide pad is installed in guide groove, and vertical shaft is installed in support component, the support component can drive roller group part moved along guide groove.The vacuum nitrogen protection device of the present invention, pipe fitting semi-finished product are welded in it, can be improved firm welding degree and be avoided weld seam from crackle occur, so as to improve welding quality.
Description
Technical field
The invention belongs to pipe fitting welding protection device technical field, it is related to a kind of vacuum nitrogen protection device.
Background technology
In pipe fitting production process, first by plate turn into after preliminarily forming, plate preliminarily forming pipe fitting half in round tube shape into
Then pipe fitting semi-finished product are welded by product.At present, because no nitrogen is protected in welding process, welding process easily occurs
Oxidation, causes welding not firm enough, and weld seam is also easy to produce stress concentration after welding, and weld seam is easy to crack.
Therefore, pipe fitting semi-finished product are entered by a kind of necessary vacuum nitrogen protection device of design in the vacuum nitrogen protection device
Row welding, prevents welding process from aoxidizing, and improves firm welding degree, and reduce the stress of weld seam, it is to avoid crackle occurs in weld seam.
The content of the invention
It is an object of the invention to provide a kind of vacuum nitrogen protection device, pipe fitting semi-finished product are entered in the vacuum nitrogen protection device
Row welding, to improve firm welding degree and avoid weld seam from crackle occur, so as to improve welding quality.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of vacuum nitrogen protection device, including provided with
The shell and shaping wheel group of inner chamber；
The shell is provided with entrance, outlet, soldering opening and several air intakes for being used to input gas to the inner chamber；
The shaping wheel group includes two roll wheel assemblies and support component, and the two roll wheel assemblies are located in the cavity of the shell,
The roll wheel assembly includes vertical shaft and roller, and the roller is rotatably set on the vertical shaft, and the roller is provided with groove,
Circumferencial direction extension of the groove along the roller, the groove formation shaped opening of the roller of described two roll wheel assemblies, the vertical shaft
Guide pad is provided with, the shell is provided with guide groove, and the guide pad is installed in the guide groove, and the vertical shaft is installed on
In the support component, the support component can drive the roll wheel assembly to be moved along the guide groove.
Further, the support component includes screw mandrel, sliding block and sleeve, and the sleeve is fixed on the shell, the silk
Rod set is loaded in the sleeve, and the outside of the shell is stretched out in one end of the screw mandrel, and the external part of the screw mandrel is set with nut,
The sliding block is set with the screw mandrel at the inner chamber of the shell, the sliding block is connected with the wire rod thread, is set on the vertical shaft
There is projection, the sliding block is provided with neck, and the projection loads in the neck, the screw mandrel rotates the driving sliding block along institute
Screw mandrel movement is stated, so as to drive the roll wheel assembly to be moved along the guide groove.
Further, the screw mandrel is parallel with the guide groove.
Further, the quantity of the shaping wheel group is two.
Further, cooling tube is fixed with the shell, the cooling tube is provided with through hole, one end of the through hole and the outlet
It is corresponding and connect.
Further, the cooling tube is provided with the air intake for being used for that gas to be inputted to the through hole.
Further, the cross section of the groove is in circular arc.
Further, the shell is provided with mounting seat.
Beneficial effect of the present invention：Outside nitrogen cylinder is outside by air intake in the vacuum nitrogen protection device of the present invention, welding process
The inner chamber input nitrogen of shell, makes the inner chamber of shell be full of nitrogen, pipe fitting semi-finished product are formed shaped opening during welding, outside weldering
Joint stretches into inner chamber from soldering opening and pipe fitting semi-finished product is welded.Because inner chamber is full of nitrogen, oxidation can be prevented during welding,
And shaped opening is welded while pipe fitting semi-finished product are formed, so as to improve firm welding degree；Nitrogen pair after welding
Weld seam is uniformly cooled down, and prevents weld seam from stress concentration occur, so that avoiding weld seam crackle occurs.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the vacuum nitrogen protection device of the embodiment of the present invention.
Fig. 2 is the top view of the vacuum nitrogen protection device of the embodiment of the present invention.
Fig. 3 is Fig. 2 upward view.
Fig. 4 is A-A sectional views in Fig. 2.
Fig. 5 is B-B sectional views in Fig. 3.
Fig. 6 is C direction views 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；
Sliding block 41, screw mandrel 42, sleeve 43, nut 44.
Embodiment
Below in conjunction with the accompanying drawing of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that
Described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to the present invention
The scope of 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 shaping wheel groups.Be machined with shell 1 entrance 13, outlet 14, soldering opening 12 and several be used for it is inside
Chamber 11 is inputted in the air intake of gas, these air intakes and is provided with gas-tpe fitting 6, and outside nitrogen cylinder is connect by appendix with tracheae
First 6 connection.The upper bottom portion of shell 1 is further fixed on a mounting seat 15.
Shaping wheel group includes two roll wheel assemblies 3 and support component 4, and the two roll wheel assemblies 3 are located in 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 roller 32 transversal
Face is in the groove 321 of circular arc, circumferencial direction extension of the groove 321 along roller 32, the roller 32 of two roll wheel assemblies 3
Groove 321 formation shaped opening 5.The lower end of vertical shaft 31 be machined with guide pad 311 and projection 312, shell 1 be machined with
The guide groove that the guide pad 311 matches, guide pad 311 is installed in guide groove.
Support component 4 includes screw mandrel 42, sliding block 41 and sleeve 43, and sleeve 43 is fixed on shell 1, and the gap of screw mandrel 42 is matched somebody with somebody
Trap is loaded in sleeve 43, and screw mandrel 42 is parallel with guide groove.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 threadedly coupled with screw mandrel 42.On screw mandrel 42 cunning is set with the inner chamber 11 of shell 1
Block 41, the sliding block 41 is threadedly coupled with screw mandrel 42.Neck is machined with sliding block 41, projection 312 loads in neck.Support
The principle that component 4 drives two roll wheel assemblies 3 to move is：Nut 44 is unclamped, screw mandrel 42 is then twisted and rotates, screw mandrel 4 drives
Movable slider 41 is moved along screw mandrel 42, so as to drive two roll wheel assemblies 3 to be moved along guide groove.
Cooling tube 2 is fixed with preferred design, shell 1, through hole 21 is machined with the cooling tube 2, the one of the through hole 21
End is corresponding with outlet 14 and mutually connects.Two air intakes for being used to input gas to through hole 21 are also machined with cooling tube 2,
A gas-tpe fitting 6 is fitted with the two air intakes, outside nitrogen cylinder is connected by appendix with the two gas-tpe fittings 6.
The operation principle to the vacuum nitrogen protection device of the present invention is described in further detail below.
Pipe fitting semi-finished product stretch into the inner chamber 11 of shell 1 from entrance 13 during welding, and sequentially pass through mutually corresponding two shapings wheel
The shaped opening 5 of group, outlet 1, through hole 21, finally stretch out from one end of cooling tube 2, external driver device driving pipe fitting half into
Product are moved, and nitrogen cylinder inputs nitrogen to the through hole 21 of the inner chamber 11 of shell 1 and cooling tube 2 in moving process, inner chamber 11 and logical
Hole 21 is full of nitrogen, while pipe fitting semi-finished product are formed shaped opening 5, outside weldings head stretches into inner chamber 11 from soldering opening 12
Pipe fitting semi-finished product are welded.Because inner chamber 11 is full of nitrogen, oxidation can be prevented during welding, so as to improve welding jail
Soundness, nitrogen is uniformly cooled down to weld seam, prevents weld seam from stress concentration occur, so that avoiding weld seam crackle occurs.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all spiritual and originals in the present invention
Within then, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of vacuum nitrogen protection device, it is characterised in that including the shell (1) provided with inner chamber (11) and shaping wheel group；
The shell (1) provided with entrance (13), outlet (14), soldering opening (12) and several for the inner chamber (11)
Input the air intake of gas；
The shaping wheel group includes two roll wheel assemblies (3) and support component (4), and the two roll wheel assemblies (3) are located at described
In the cavity of shell (1), the roll wheel assembly (3) includes vertical shaft (31) and roller (32), and the roller (32) can turn
Dynamic to be set on the vertical shaft (31), the roller (32) is provided with groove (321), and the groove (321) is along the roller
(32) circumferencial direction extension, groove (321) the formation shaped opening (5) of the roller (32) of described two roll wheel assemblies (3),
The vertical shaft (31) is provided with guide pad (311), and the shell (1) is provided with guide groove, guide pad (311) peace
Loaded in the guide groove, the vertical shaft (31) is installed in the support component (4), and the support component (4) can drive
The roll wheel assembly (3) is moved along the guide groove.
2. a kind of vacuum nitrogen protection device according to claim 1, it is characterised in that the support component (4) includes
Screw mandrel (42), sliding block (41) and sleeve (43), the sleeve (43) are fixed on the shell (1), the screw mandrel (42)
It is set in the sleeve (43), the outside of the shell (1), the screw mandrel (42) are stretched out in one end of the screw mandrel (42)
External part be set with inner chamber (11) place of the shell (1) on nut (44), the screw mandrel (42) and be set with the cunning
Block (41), the sliding block (41) is threadedly coupled with the screw mandrel (42), and the vertical shaft (31) is provided with projection (312), institute
Sliding block (41) is stated provided with neck, the projection (312) loads in the neck, and it is described that the screw mandrel (42) rotates driving
Sliding block (41) is mobile along the screw mandrel (42), so as to drive the roll wheel assembly (3) to be moved along the guide groove.
3. a kind of vacuum nitrogen protection device according to claim 1, it is characterised in that the screw mandrel (42) with it is described
Guide groove is parallel.
4. a kind of vacuum nitrogen protection device according to claim 1, it is characterised in that the quantity of the shaping wheel group is
Two.
5. a kind of vacuum nitrogen protection device according to claim 1, it is characterised in that be fixed with the shell (1)
Cooling tube (2), the cooling tube (2) is provided with through hole (21), and one end of the through hole (21) is relative with the outlet (14)
Should and it connect.
6. a kind of vacuum nitrogen protection device according to claim 1, it is characterised in that the cooling tube (2) is provided with
Air intake for inputting from gas to the through hole (21).
7. a kind of vacuum nitrogen protection device according to claim 1, it is characterised in that the groove (321) it is transversal
Face is in circular arc.
8. a kind of vacuum nitrogen protection device according to claim 1, it is characterised in that the shell (1) is provided with peace
Fill seat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610086246.4A CN107081540A (en) | 2016-02-15 | 2016-02-15 | vacuum nitrogen protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610086246.4A CN107081540A (en) | 2016-02-15 | 2016-02-15 | vacuum nitrogen protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107081540A true CN107081540A (en) | 2017-08-22 |
Family
ID=59614449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610086246.4A Pending CN107081540A (en) | 2016-02-15 | 2016-02-15 | vacuum nitrogen protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107081540A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101164848A (en) * | 2006-10-17 | 2008-04-23 | 起亚自动车株式会社 | Jig for gripping panel |
| US20090277879A1 (en) * | 2005-05-13 | 2009-11-12 | Wuppermann Edelstahltechnik Gmbh | Guiding and shaping system |
| CN202271106U (en) * | 2011-03-28 | 2012-06-13 | 上海宇洋特种金属材料有限公司 | Novel titanium metal enclosed type continuous welding device |
| CN203003358U (en) * | 2012-11-16 | 2013-06-19 | 佛山市南海双兴不锈钢有限公司 | Welding protection device |
| US20130168360A1 (en) * | 2010-09-23 | 2013-07-04 | Shape Corp. | Apparatus for making tubular beam with center leg |
| CN205520157U (en) * | 2016-02-15 | 2016-08-31 | 佛山市中牌机械有限公司 | Vacuum nitrogen protection device |
-
2016
- 2016-02-15 CN CN201610086246.4A patent/CN107081540A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090277879A1 (en) * | 2005-05-13 | 2009-11-12 | Wuppermann Edelstahltechnik Gmbh | Guiding and shaping system |
| CN101164848A (en) * | 2006-10-17 | 2008-04-23 | 起亚自动车株式会社 | Jig for gripping panel |
| US20130168360A1 (en) * | 2010-09-23 | 2013-07-04 | Shape Corp. | Apparatus for making tubular beam with center leg |
| CN202271106U (en) * | 2011-03-28 | 2012-06-13 | 上海宇洋特种金属材料有限公司 | Novel titanium metal enclosed type continuous welding device |
| CN203003358U (en) * | 2012-11-16 | 2013-06-19 | 佛山市南海双兴不锈钢有限公司 | Welding protection device |
| CN205520157U (en) * | 2016-02-15 | 2016-08-31 | 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 |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170822 |