CN203778943U - Core rod of argon arc welding machine - Google Patents
Core rod of argon arc welding machine Download PDFInfo
- Publication number
- CN203778943U CN203778943U CN201420150825.7U CN201420150825U CN203778943U CN 203778943 U CN203778943 U CN 203778943U CN 201420150825 U CN201420150825 U CN 201420150825U CN 203778943 U CN203778943 U CN 203778943U
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- CN
- China
- Prior art keywords
- connecting rod
- plug
- core rod
- welding machine
- argon arc
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a core rod of an argon arc welding machine. The core rod comprises a main core rod body, a connecting rod and a tail section which are in threaded connection with one another in sequence, wherein a welding groove is formed in the main core rod body; a copper tube matched with the welding groove is mounted in the welding groove; a plurality of through holes are formed in one side, backward to the axis, of the copper tube; the diameter of the copper tube is smaller than the depth of the welding groove; a limiting mechanism is mounted at one end, close to the tail section, of the connecting rod; a moving groove is formed in the connecting rod; the limiting mechanism is slidably arranged on the moving groove; the limiting mechanism which is mounted on the connecting rod is capable of fixing the copper tube arranged on the main core rod body in a sleeving manner and can freely slide on the connecting rod. In a mechanical fixing mode, the core rod can be adjusted according to the actual length of the steel tube, relative displacement between the main core rod body and the steel tube is avoided, and meanwhile, the practicality of the core rod of the argon arc welding machine is improved.
Description
Technical field
The utility model relates to a kind of argon arc welding machine, specifically refers to a kind of argon arc welding machine plug.
Background technology
?welded still pipe also claims welded tube, is after cans, to weld with steel plate or steel band the steel pipe of making.Welded still pipe production technology is simple, and production efficiency is high, and description is many, and equipment funds are few, but common intensity is lower than seamless steel pipe.Along with developing rapidly and the progress of welding and inspection technology of quality strip steel rolling production, weldquality improves constantly, and the description of welded still pipe is increasing, and has replaced seamless steel pipe in increasing field.Welded still pipe is divided into ERW and spiral welded pipe by the form of weld seam.ERW production technology is simple, and production efficiency is high, and cost is low, and development is very fast.The intensity of spiral welded pipe is generally high than ERW, can produce the larger welded tube of caliber with narrower blank, can also produce the different welded tube of caliber with the blank of same width.But compared with the straight-seam pipes of equal length, fusion length increases by 30 ~ 100%, and speed of production is lower, and therefore, more small-bore welded tube mostly adopts straight weld, and heavy caliber welded tube adopts spiral welding mostly.But in the time of straight weld, plumb joint rectilinear motion welds gap, wherein owing to there is less gap between plug and steel pipe, make the protective gas amount that passes into very few, reduce the effect of welding, make the easy sealing-off of welded still pipe or welding not thorough; Particularly, in welding process, can trickle down the scolder of part between plug and steel pipe, plug and steel pipe, once produce certain relative motion, will cause the wearing and tearing of mandrel surface layer, have a strong impact on the service life of plug.
Utility model content
The purpose of this utility model is to provide a kind of argon arc welding machine plug, avoids, between plug and steel pipe, relative displacement occurs, and reduces steel pipe sealing-off or weld halfway situation to occur.
The purpose of this utility model is achieved through the following technical solutions:
A kind of argon arc welding machine plug, comprise the plug main body, connecting rod and the rear that are threaded successively, in described plug main body, have weld groove, the copper pipe adapting with it is installed in weld groove, described copper pipe is provided with multiple through holes in the side in axle center dorsad, and the diameter of described copper pipe is less than the groove depth of weld groove, on the one end at described connecting rod near rear, position-limit mechanism is installed, on connecting rod, be provided with shifting chute, described position-limit mechanism is slidably arranged on shifting chute.Three critical pieces of the present utility model are threaded connection successively, can in the time of steel-pipe welding, increase and decrease the active length of plug main body according to steel pipe physical length, and convenient transport are installed; When work, first one end of plug main body being fixed, then will be treated that Coiling Welded Pipe passes from tail end, aligns with weld groove in steel pipe gap, is finally welded by the gap of the soldering tip rectilinear motion team steel pipe can move freely; The copper pipe that is positioned at weld groove is connected with protective gas storage facilities, can in the whole process of welding, continue the protective gas that provides stable by through hole, prevents that scolder is in use subject to the impact of extraneous factor, improves welding efficiency; The groove depth of weld groove is greater than the diameter of copper pipe, in the time that scolder is unrestrained, can directly fall into weld groove, can effectively avoid scolder to trickle down between plug and steel pipe, prevent that scolder from rubbing with mandrel surface mutually because of the relative motion of plug and steel pipe, reduce the loss of plug, extended the service life of plug; In welding process, the position-limit mechanism being arranged on connecting rod can be fixed the steel pipe being sleeved in plug main body, and position-limit mechanism can be free to slide on connecting rod, adopt the fixing mode of machinery, can adjust according to the physical length of steel pipe, in avoiding, between plug main body and steel pipe, relative displacement occurs, also improve practicality of the present utility model.
Described through hole is interspersed on copper pipe, also comprises the filter screen being arranged on through hole, and described filter screen is circular arc.The distribution of through hole, can affect protective gas at the circulating area in when welding, through hole is arranged on copper pipe dorsad in axle center one side of plug main body, and through hole is interspersed, make to distribute at the part protective gas of steel-pipe welding more even, further improve welding effect; Filter screen is installed on through hole; the filter screen of circular arc can be unrestrained solder stop; ensureing that protective gas circulation simultaneously smoothly; can also avoid scolder to trickle down between plug and steel pipe; prevent that scolder from, because the relative motion of plug and steel pipe rubs mutually with mandrel surface, having extended the service life of plug.
Described position-limit mechanism comprises spacing collar and bolt, on described spacing collar, is provided with screwed hole, and shifting chute both sides inwall is provided with internal thread, and bolt is through screwed hole and shifting chute threaded engagement.Spacing collar is more bigger than the external diameter of connecting rod, can on connecting rod, move freely, after steel pipe socket dress, by spacing collar to the end of steel pipe near, swivel bolt makes it to coordinate with the internal thread of shifting chute, reaches fixing object with this.
Described position-limit mechanism comprises spacing collar, is provided with external screw thread on connecting rod, and spacing collar inwall is provided with internal thread, spacing collar and connecting rod threaded engagement.Spacing collar and connecting rod are similar to screw rod and nut, by threaded engagement, fast steel pipe is fixed, ensure steel pipe welding process in keep relative stability with plug main body.
Described rear is tapered.In the time that steel pipe covers plug main body through rear, the rear of taper can reduce collision or the friction between plug and steel pipe inner wall, improves the service life of plug.
The utility model compared with prior art, has following advantage and beneficial effect:
1, a kind of argon arc welding machine plug of the utility model, the position-limit mechanism being arranged on connecting rod can be fixed the steel pipe being sleeved in plug main body, and position-limit mechanism can be free to slide on connecting rod, adopt the fixing mode of machinery, can adjust according to the physical length of steel pipe, in avoiding, between plug main body and steel pipe, relative displacement occurs, also improve practicality of the present utility model;
2, a kind of argon arc welding machine plug of the utility model, filter screen is installed on through hole, the filter screen of circular arc can be unrestrained solder stop, ensureing that protective gas circulation simultaneously smoothly, can also avoid scolder to trickle down between plug and steel pipe, prevent that scolder from, because the relative motion of plug and steel pipe rubs mutually with mandrel surface, having extended the service life of plug;
3, a kind of argon arc welding machine plug of the utility model, in the time that steel pipe covers plug main body through rear, the rear of taper can reduce collision or the friction between plug and steel pipe inner wall, improves the service life of plug.
Brief description of the drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms the application's a part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is overall structure figure of the present utility model;
Fig. 3 is the structural representation of embodiment 2;
Mark and corresponding parts title in accompanying drawing:
1-plug main body, 2-connecting rod, 3-rear, 4-copper pipe, 5-weld groove, 6-filter screen, 7-spacing collar, 8-bolt, 9-shifting chute, 10-external screw thread.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment 1
As depicted in figs. 1 and 2, a kind of argon arc welding machine plug of the utility model, comprise the plug main body 1, connecting rod 2 and the rear 3 that are threaded successively, in described plug main body 1, have weld groove 5, the copper pipe 4 adapting with it is installed in weld groove 5, described copper pipe 4 is provided with multiple through holes in the side in axle center dorsad, the diameter of described copper pipe 4 is less than the groove depth of weld groove 5, on one end at described connecting rod 2 near rear 3, position-limit mechanism is installed, on connecting rod 2, be provided with shifting chute 9, described position-limit mechanism is slidably arranged on shifting chute 9; Described position-limit mechanism comprises spacing collar 7 and bolt 8, on described spacing collar 7, is provided with screwed hole, and shifting chute 9 both sides inwalls are provided with internal thread, and bolt 8 is through screwed hole and shifting chute 9 threaded engagement;
Three critical pieces of the present utility model are threaded connection successively, can in the time of steel-pipe welding, increase and decrease the active length of plug main body 1 according to steel pipe physical length, and convenient transport are installed; When work, first one end of plug main body 1 being fixed, then will be treated that Coiling Welded Pipe passes from tail end, aligns with weld groove 5 in steel pipe gap, is finally welded by the gap of the soldering tip rectilinear motion team steel pipe can move freely; The copper pipe 4 that is positioned at weld groove 5 is connected with protective gas storage facilities, can in the whole process of welding, continue the protective gas that provides stable by through hole, prevents that scolder is in use subject to the impact of extraneous factor, improves welding efficiency; The groove depth of weld groove 5 is greater than the diameter of copper pipe 4, in the time that scolder is unrestrained, can directly fall into weld groove 5, can effectively avoid scolder to trickle down between plug and steel pipe, prevent that scolder from rubbing with mandrel surface mutually because of the relative motion of plug and steel pipe, reduce the loss of plug, extended the service life of plug; In welding process, the position-limit mechanism being arranged on connecting rod 2 can be fixed the steel pipe being sleeved in plug main body 1, and position-limit mechanism can be free to slide on connecting rod 2, adopt the fixing mode of machinery, can adjust according to the physical length of steel pipe, in avoiding, between plug main body 1 and steel pipe, relative displacement occurs, also improve practicality of the present utility model.
Also comprise the filter screen 6 being arranged on through hole, described filter screen 6 is circular arc; The distribution of through hole, can affect protective gas at the circulating area in when welding, through hole is arranged on copper pipe 4 dorsad in axle center one side of plug main body 1, and through hole is interspersed, make to distribute at the part protective gas of steel-pipe welding more even, further improve welding effect; Filter screen 6 is installed on through hole, the filter screen 6 of circular arc can be unrestrained solder stop, ensureing that protective gas circulation simultaneously smoothly, can also avoid scolder to trickle down between plug and steel pipe, prevent that scolder from, because the relative motion of plug and steel pipe rubs mutually with mandrel surface, having extended the service life of plug; Spacing collar 7 is more bigger than the external diameter of connecting rod 2, can on connecting rod 2, move freely, after steel pipe socket dress, by spacing collar 7 to the end of steel pipe near, swivel bolt 8 makes it to coordinate with the internal thread of shifting chute 9, reaches fixing object with this;
In the time that steel pipe covers plug main body 1 through rear 3, the rear 3 of taper can reduce collision or the friction between plug and steel pipe inner wall, improves the service life of plug.
Embodiment 2
As shown in Figure 3, described position-limit mechanism comprises spacing collar 7, is provided with external screw thread 10 on connecting rod 2, and spacing collar 7 inwalls are provided with internal thread, spacing collar 7 and connecting rod 2 threaded engagement.Spacing collar 7 is similar to screw rod and nut with connecting rod 2, by threaded engagement, fast steel pipe is fixed, ensure steel pipe welding process in keep relative stability with plug main body 1.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only detailed description of the invention of the present utility model; and be not used in limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. an argon arc welding machine plug, comprise the plug main body (1) being threaded successively, connecting rod (2) and rear (3), it is characterized in that: in described plug main body (1), have weld groove (5), the copper pipe (4) adapting with it is installed in weld groove (5), described copper pipe (4) is provided with multiple through holes in the side in axle center dorsad, the diameter of described copper pipe (4) is less than the groove depth of weld groove (5), near on one end of rear (3), position-limit mechanism is installed at described connecting rod (2), on connecting rod (2), be provided with shifting chute (9), described position-limit mechanism is slidably arranged in (9) on shifting chute.
2. a kind of argon arc welding machine plug according to claim 1, is characterized in that: described through hole is interspersed upper at copper pipe (4), also comprises the filter screen (6) being arranged on through hole, and described filter screen (6) is circular arc.
3. a kind of argon arc welding machine plug according to claim 1, it is characterized in that: described position-limit mechanism comprises spacing collar (7) and bolt (8), described spacing collar is provided with screwed hole on (7), shifting chute (9) both sides inwall is provided with internal thread, and bolt (8) is through screwed hole and shifting chute (9) threaded engagement.
4. a kind of argon arc welding machine plug according to claim 1, it is characterized in that: described position-limit mechanism comprises spacing collar (7), on connecting rod (2), be provided with external screw thread (10), spacing collar (7) inwall is provided with internal thread, spacing collar (7) and connecting rod (2) threaded engagement.
5. according to a kind of argon arc welding machine plug described in claim 1 ~ 4 any one, it is characterized in that: described rear (3) is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150825.7U CN203778943U (en) | 2014-03-31 | 2014-03-31 | Core rod of argon arc welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150825.7U CN203778943U (en) | 2014-03-31 | 2014-03-31 | Core rod of argon arc welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203778943U true CN203778943U (en) | 2014-08-20 |
Family
ID=51315171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420150825.7U Withdrawn - After Issue CN203778943U (en) | 2014-03-31 | 2014-03-31 | Core rod of argon arc welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203778943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862144A (en) * | 2014-03-31 | 2014-06-18 | 成都振中电气有限公司 | Core rod structure for argon arc welding |
-
2014
- 2014-03-31 CN CN201420150825.7U patent/CN203778943U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862144A (en) * | 2014-03-31 | 2014-06-18 | 成都振中电气有限公司 | Core rod structure for argon arc welding |
| CN103862144B (en) * | 2014-03-31 | 2015-12-16 | 成都振中电气有限公司 | A kind of argon arc welding mandrel structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |