CN201432176Y - Sealed pipe welding head - Google Patents
Sealed pipe welding head Download PDFInfo
- Publication number
- CN201432176Y CN201432176Y CN2009200543680U CN200920054368U CN201432176Y CN 201432176 Y CN201432176 Y CN 201432176Y CN 2009200543680 U CN2009200543680 U CN 2009200543680U CN 200920054368 U CN200920054368 U CN 200920054368U CN 201432176 Y CN201432176 Y CN 201432176Y
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- arc rack
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Abstract
The utility model relates to a sealed pipe welding head for welding a small-caliber thin-wall pipe, which comprises a motor, a gear transmission device, a circular-arc rack, a tungsten needle, a conducting plate, a gas supply system and a sealed cavity, wherein the motor is connected with an active input piece of the gear transmission device through a motor reduction box and a coupling; an tail output piece of the gear transmission device is connected with the circular-arc rack; the tungsten needle is installed on the circular-arc rack and circles along with the rack; the conducting plate is in sliding contact with the circular-arc rack; the tungsten needle is connected with the cathode of the power source through the circular-arc rack and the conducting plate; a pipe piece to be welded isconnected with the anode of the power source; the sealed cavity which can be filled with inert gas is arranged at the lower end of the tungsten needle; and the sealed cavity is communicated with thegas supply system which can supply inert gas. The sealed pipe welding head pertains to non-wire feeding welding and can ensure nice-looking appearance of the welding line and good and reliable weldingquality of the welded pipe. The sealed pipe welding head is concise in structure, stable and reliable in performance, easy to control, convenient and practical, and can weld automatically under totally sealed condition without causing pollution to the environment, thus meeting the environment protection requirement.
Description
Technical field
The utility model relates to a kind of closed pipe pipe welding head that is used for the light-wall pipe welding of tubule footpath, belongs to the innovative technology of closed pipe pipe welding.
Background technology
Existing pipe pipe welding head generally is not enclosed, and automaticity is not high, and manual operation is all leaned in most of work, so that the finished product bead contour that welding is come out is not attractive in appearance.Weldquality is poor, and perhaps pipe fitting is located the pipe fitting flexural deformation that inaccuracy welds out, directly influences the quality of production of pipe.
The utility model content
The purpose of this utility model is to consider above-mentioned former thereby a kind of good closed pipe pipe welding head of welding effect of guaranteeing to manage is provided.The utility model is simple in structure, and is convenient and practical.
Pipe pipe welding head of the present utility model; include motor; gear drive; arc rack; the tungsten pin; conductive plate; plenum system; annular seal space; wherein motor is connected with the active input component of gear drive through motor reduction gearbox and shaft coupling; the tail end output of gear drive is connected with arc rack; the tungsten pin is installed on the arc rack makes circumferential running with it; conductive plate and arc rack sliding-contact; the tungsten pin is connected with the negative pole of power supply through arc rack and conductive plate; weld-end fittings is connected with the positive pole of power supply; the bottom of tungsten pin is provided with and can charges into inert gas; protection weld metal and tungsten pin molten bath make it the annular seal space in electric arc heated not oxidation by air of zone, and annular seal space communicates with the plenum system that can send into inert gas.
The said gear transmission device includes first bevel gear, second bevel gear, conversion gear, first gear, second gear, wherein the rotating shaft of first bevel gear is connected with shaft coupling, second bevel gear and the engagement of first bevel gear, conversion gear and the coaxial installation of second bevel gear, first gear and conversion gear engagement, second gear are meshed with first gears engaged and with arc rack respectively.
The opposite side of above-mentioned conversion gear also be symmetrically arranged with another to symmetrically to first gear and second gear of arc rack transferring power, first gear and conversion gear engagement, second gear respectively with first gears engaged and with the arc rack engagement.
The runner that will send on the plenum system of inert gas to the annular seal space before the above-mentioned welding is opened on the cover plate of welding head, and the runner of inert gas through being opened on the welding head cover plate communicates with annular seal space.
Above-mentioned inert gas is an argon gas.
Above-mentioned annular seal space is to be made of grip device and pipe fitting that the pipe pipe welds.
Above-mentioned arc rack is bearing on the set guide ring of welding head, and arc rack is made circular motion along guide ring.
The bottom of above-mentioned guide ring also is provided with some arc racks that can hold out against makes it and conductive plate closely contact the hoodle of conduction.
Above-mentioned arc rack is provided with the aperture of some installation tungsten pins.Some tungsten pins are installed on the different apertures.
Above-mentioned hoodle is distributed on the bottom of guide ring (10); Aperture set on the arc rack is distributed on the arc rack.
Closed pipe pipe welding head of the present utility model belongs to the wire bond of not bothering to see me out and connects, and can guarantee that the moulding of pipe pipe welded seam is attractive in appearance, reliable welding quality, and it is simple for structure, can weld automatically, and convenient and practical.The utility model system is easy to control, working stability is reliable.Do the user demand that the welding of pipe pipe can be satisfied the user with the utility model.
Description of drawings
Fig. 1 is STRUCTURE DECOMPOSITION figure of the present utility model.
The specific embodiment
Embodiment:
The structural representation of pipe pipe welding head of the present utility model as shown in Figure 1; include motor 1; gear drive 2; arc rack 3; tungsten pin 4; conductive plate 5; plenum system 6; annular seal space 7; wherein motor 1 is connected with the active input component of gear drive 2 through motor reduction gearbox 8 and shaft coupling 9; the tail end output of gear drive 2 is connected with arc rack 3; tungsten pin 4 is installed on the arc rack 3 and makes circumferential running with it; conductive plate 5 and arc rack 3 sliding-contacts; tungsten pin 4 is connected with the negative pole of power supply through arc rack 3 and conductive plate 5; weld-end fittings is connected with the positive pole of power supply; the bottom of tungsten pin 4 is provided with and can charges into inert gas; protection weld metal and tungsten pin molten bath make it the annular seal space 7 in electric arc heated not oxidation by air of zone, and annular seal space 7 communicates with the plenum system 6 that can send into inert gas.
In the present embodiment, said gear transmission device 2 includes first bevel gear 21, second bevel gear 22, conversion gear 23, first gear 24, second gear 25, wherein the rotating shaft of first bevel gear 21 is connected with shaft coupling 9, second bevel gear 22 and 21 engagements of first bevel gear, conversion gear 23 and the 22 coaxial installations of second bevel gear, first gear 24 and conversion gear 23 engagements, second gear 25 reach and arc rack 3 engagements with 24 engagements of first gear respectively.
For realizing symmetrically to arc rack 3 transferring power, the opposite side of above-mentioned conversion gear 23 also is symmetrically arranged with first gear 24 and second gear 25 of another subtend arc rack 3 transferring power, first gear 24 and conversion gear 23 engagements, second gear 25 reach and arc rack 3 engagements with 24 engagements of first gear respectively.
In the present embodiment, the runner that will send on the plenum system 6 of inert gas to the annular seal space 7 before the above-mentioned welding is opened on the cover plate 12 of welding head, and the runner of inert gas through being opened on the welding head cover plate 12 communicates with annular seal space 7.In the present embodiment, above-mentioned inert gas is an argon gas.To send on argon gas to annular seal space 7 before the welding, weld after-current and broken time-delay air feed a period of time earlier.Argon gas plays the starting the arc and the protection weld seam prevents the dioxygen oxidation effect.Above-mentioned annular seal space 7 is to be made of grip device and pipe fitting that the pipe pipe welds.
For realizing the smooth rotation of arc rack 3, above-mentioned arc rack 3 is bearing on the set guide ring of welding head 10, and arc rack 3 is made circular motion along guide ring 10.
For making arc rack 3 closely contact conductions with conductive plate 5, the bottom of above-mentioned guide ring 10 also is provided with some arc racks 3 that can hold out against and makes it and the conductive plate 5 tight hoodles 11 that contact.
In addition, for ease of installing, above-mentioned arc rack 3 is provided with the aperture of some installation tungsten pins 4, and some tungsten pins 4 are installed on the different apertures.
In the present embodiment, above-mentioned hoodle 11 is distributed on the bottom of guide ring 10; Set aperture is distributed on the arc rack 3 on the arc rack 3.
The utility model in use; the power of motion is provided by motor 1; motor 1 output rotatablely moves and slows down through motor reduction gearbox 8; be connected with the active input component of gear drive 2 through shaft coupling 9 again; the tail end output of gear drive 2 is connected with arc rack 3; tungsten pin 4 is installed on the arc rack 3 and makes circumferential running with it; conductive plate 5 and arc rack 3 sliding-contacts; tungsten pin 4 is connected with the negative pole of power supply through arc rack 3 and conductive plate 5; weld-end fittings is connected with the positive pole of power supply; produce electric arc between tungsten pin 4 and the weld-end fittings; the heat fused mother metal is realized welding, and in addition, argon gas is delivered to annular seal space 7 through plenum system 6; protection weld metal and tungsten pin molten bath are in electric arc heated not oxidation by air of zone.
Claims (10)
1; a kind of closed pipe pipe welding head; it is characterized in that including motor (1); gear drive (2); arc rack (3); tungsten pin (4); conductive plate (5); plenum system (6); annular seal space (7); wherein motor (1) is connected with the active input component of gear drive (2) through motor reduction gearbox (8) and shaft coupling (9); the tail end output of gear drive (2) is connected with arc rack (3); tungsten pin (4) is installed in arc rack (3) and upward makes circumferential running with it; conductive plate (5) and arc rack (3) sliding-contact; tungsten pin (4) is connected with the negative pole of power supply through arc rack (3) and conductive plate (5); weld-end fittings is connected with the positive pole of power supply; the bottom of tungsten pin (4) is provided with and can charges into inert gas; protection weld metal and tungsten pin molten bath make it the annular seal space (7) in electric arc heated not oxidation by air of zone, and annular seal space (7) communicates with the plenum system that can send into inert gas (6).
2, pipe pipe welding head according to claim 1, it is characterized in that said gear transmission device (2) includes first bevel gear (21), second bevel gear (22), conversion gear (23), first gear (24), second gear (25), wherein the rotating shaft of first bevel gear (21) is connected with shaft coupling (9), second bevel gear (22) and first bevel gear (21) engagement, conversion gear (23) and the coaxial installation of second bevel gear (22), first gear (24) and conversion gear (23) engagement, second gear (25) reach and arc rack (3) engagement with first gear (24) engagement respectively.
3, pipe pipe welding head according to claim 2, the opposite side that it is characterized in that above-mentioned conversion gear (23) also is symmetrically arranged with another to symmetrically to first gear (24) and second gear (25) of arc rack (3) transferring power, first gear (24) and conversion gear (23) engagement, second gear (25) reach and arc rack (3) engagement with first gear (24) engagement respectively.
4, pipe pipe welding head according to claim 1, the runner that it is characterized in that will sending on before the above-mentioned welding plenum system (6) of inert gas to the annular seal space (7) is opened on the cover plate (12) of welding head, and the runner of inert gas through being opened on the welding head cover plate (12) communicates with annular seal space (7).
5, pipe pipe welding head according to claim 4 is characterized in that above-mentioned inert gas is an argon gas.
6, pipe pipe welding head according to claim 1 is characterized in that above-mentioned annular seal space (7) is to be made of grip device and pipe fitting that the pipe pipe welds.
7, according to each described pipe pipe welding head of claim 1 to 6, it is characterized in that above-mentioned arc rack (3) is bearing on the set guide ring of welding head (10), arc rack (3) is made circular motion along guide ring (10).
8, pipe pipe welding head according to claim 7, the bottom that it is characterized in that above-mentioned guide ring (10) also are provided with some arc racks (3) that can hold out against makes it and conductive plate (5) closely contact the hoodle (11) of conduction.
9, pipe pipe welding head according to claim 8 is characterized in that above-mentioned arc rack (3) is provided with the aperture of some installation tungsten pins (4), and some tungsten pins (4) are installed on the different apertures.
10, pipe pipe welding head according to claim 9 is characterized in that above-mentioned hoodle (11) is distributed on the bottom of guide ring (10); Arc rack (3) is gone up set aperture and is distributed on the arc rack (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200543680U CN201432176Y (en) | 2009-04-10 | 2009-04-10 | Sealed pipe welding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200543680U CN201432176Y (en) | 2009-04-10 | 2009-04-10 | Sealed pipe welding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201432176Y true CN201432176Y (en) | 2010-03-31 |
Family
ID=42050990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200543680U Expired - Fee Related CN201432176Y (en) | 2009-04-10 | 2009-04-10 | Sealed pipe welding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201432176Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699582A (en) * | 2012-01-31 | 2012-10-03 | 昆山华恒焊接股份有限公司 | Pipe welding equipment for sealed pipe |
| CN103394832A (en) * | 2013-07-31 | 2013-11-20 | 无锡市伟丰印刷机械厂 | Auxiliary mechanical arm for tubing workpiece reinforcing rib welding |
| CN104191121A (en) * | 2014-08-25 | 2014-12-10 | 刘家超 | Automatic welding mechanism for circumferential welds |
| CN104439624A (en) * | 2014-11-21 | 2015-03-25 | 马鞍山朗辉机械有限公司 | Small pipeline automatic welding machine |
| CN105171292A (en) * | 2015-10-21 | 2015-12-23 | 昆山华恒焊接股份有限公司 | Pipe welding device |
| CN105215520A (en) * | 2015-09-25 | 2016-01-06 | 中广核核电运营有限公司 | Sealed pipe welding gun |
| CN107363383A (en) * | 2017-09-14 | 2017-11-21 | 天津滨海光热跟踪技术有限公司 | The closed head of high-temperature molten salt thermal-collecting tube butt welding |
| CN107813029A (en) * | 2017-10-30 | 2018-03-20 | 无锡市迪索数控焊接设备有限公司 | Automatic seal type pipe pipe welding head |
| CN110465769A (en) * | 2019-08-05 | 2019-11-19 | 苏州热工研究院有限公司 | A kind of self-melt welding robot |
-
2009
- 2009-04-10 CN CN2009200543680U patent/CN201432176Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699582A (en) * | 2012-01-31 | 2012-10-03 | 昆山华恒焊接股份有限公司 | Pipe welding equipment for sealed pipe |
| CN103394832A (en) * | 2013-07-31 | 2013-11-20 | 无锡市伟丰印刷机械厂 | Auxiliary mechanical arm for tubing workpiece reinforcing rib welding |
| CN103394832B (en) * | 2013-07-31 | 2016-08-17 | 江苏金贸科技发展有限公司 | A kind of tubing workpiece reinforcement auxiliary welding machine hands |
| CN104191121A (en) * | 2014-08-25 | 2014-12-10 | 刘家超 | Automatic welding mechanism for circumferential welds |
| CN104439624A (en) * | 2014-11-21 | 2015-03-25 | 马鞍山朗辉机械有限公司 | Small pipeline automatic welding machine |
| CN105215520A (en) * | 2015-09-25 | 2016-01-06 | 中广核核电运营有限公司 | Sealed pipe welding gun |
| CN105171292A (en) * | 2015-10-21 | 2015-12-23 | 昆山华恒焊接股份有限公司 | Pipe welding device |
| CN107363383A (en) * | 2017-09-14 | 2017-11-21 | 天津滨海光热跟踪技术有限公司 | The closed head of high-temperature molten salt thermal-collecting tube butt welding |
| CN107813029A (en) * | 2017-10-30 | 2018-03-20 | 无锡市迪索数控焊接设备有限公司 | Automatic seal type pipe pipe welding head |
| CN110465769A (en) * | 2019-08-05 | 2019-11-19 | 苏州热工研究院有限公司 | A kind of self-melt welding robot |
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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: 20100331 Termination date: 20150410 |
|
| EXPY | Termination of patent right or utility model |