CN104588854B - Torch neck assembly apparatus - Google Patents
Torch neck assembly apparatus Download PDFInfo
- Publication number
- CN104588854B CN104588854B CN201410692533.0A CN201410692533A CN104588854B CN 104588854 B CN104588854 B CN 104588854B CN 201410692533 A CN201410692533 A CN 201410692533A CN 104588854 B CN104588854 B CN 104588854B
- Authority
- CN
- China
- Prior art keywords
- nozzle
- fin
- carrier
- screw thread
- nozzle carrier
- 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.)
- Active
Links
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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Coating By Spraying Or Casting (AREA)
- Arc Welding In General (AREA)
Abstract
Torch neck assembly apparatus, including nozzle and nozzle carrier, is provided with fin in the rear end of nozzle, nozzle back segment inner chamber be conical cavity and flared end outside.Screw thread is set on the conical inboard wall of nozzle at the forward facing position of fin the inner, accordingly, one section of profile that nozzle carrier front end coordinates with nozzle is tapered, external screw thread is set in the end of this conical section, the axis of fin relative nozzle is outward-dipping, and its inwall is the inclined-plane tilted by its outer end end face middle close axial direction of root in it.It is by the way of screw thread combines with fin, add nozzle and nozzle carrier axially engages the degree of depth, improve the stability that nozzle is connected with welding gun, the annoyance level by heat expansion effect is made to reduce, the trapezoidal fin form energy more effectively contact nozzle seat stuck up outward, flexibly clamps nozzle carrier, makes fin structure be no longer necessary to coordinate turn, and thermal conductivity is higher, when also avoiding using common fin structure, nozzle and nozzle carrier coordinates abrasion.
Description
Technical field
The present invention relates to the association area of gas protective welding gun assembly, specifically a kind of torch neck group
Part device.
Background technology
The nozzle of gas protective welding gun and nozzle carrier attachment structure mainly have screw-type as shown in Figure 1 at present
Structure and stick up two kinds of forms of slice structure.
In screw-type structure, screw thread is arranged on the inner chamber of nozzle rear end, by the internal thread 11 arranged
Nozzle is made to be connected with the nozzle carrier of end, welding gun one end.First, as the connected mode of helicitic texture, spiral shell
Line had both played the effect of connection, also functioned to conduct the effect of heat.Threaded contact area is limited,
Heat conduction efficiency during welding is the highest.Nozzle internal thread 11 is connected with external screw thread on nozzle carrier, and nozzle makes
Expanded by heating during with, easily occurs that nozzle comes off with welding gun voluntarily, and nozzle temperature is too high to be also resulted in
Protective gas turbulent flow so that welding quality drastically declines, causes welding workpiece disqualification rate and increases.Merely
Threaded fixed nozzle after expanded by heating so that thread looseness, nozzle can not get good consolidating
Fixed, thus cause the improper stopping of welding process.Easily make thin when the nozzle threads of gas protective welding gun loosens
Little metal solder is splashed and is entered screw thread, causes welding gun thread abrasion serious, and the service life of welding gun shortens.
Fin structure is to arrange multiple axially extended cell body by being uniformly distributed along the circumference in nozzle rear end, from
And making nozzle rear end form multiple fin 12, the axial length of fin 12 wants long enough, the axial phase of fin
Extension angle to nozzle-axis is zero degree, i.e. relative nozzle axis is parallel, relies on fin 12 to realize folder
Tight and heat transfer.The nozzle carrier of end, welding gun one end and fin 12 inwall interference fit, it can be necessarily
Overcome in degree and expand with heat and contract with cold on the impact of clamping degree between nozzle and nozzle carrier, and radiating effect phase
Screw-type structure is made moderate progress.Simultaneously as rely on merely fin 12 to clamp, clamping force is limited.
On fin 12, add the most again a turn 13, be so further ensured that at welding expanded by heating
Or do not got loose with nozzle carrier by nozzle during mild impulse.This nozzle relies on fin and turn to clamp
Nozzle carrier, when nozzle carrier is clamped by fin, can produce bigger abrasion to nozzle carrier position, be easily caused spray
Mouth seat or the damage of welding gun, use cost is higher.
The splatter entrance nozzle produced during for preventing from welding is connected formation on nozzle with nozzle carrier to be affected,
Standing put a sealing ring and and be allowed to be threadedly secured on ignition tip in nozzle chamber, not only increase as solid
Determining sealing ring supplementary structure in nozzle or parts, and cause ignition tip structure complicated, technique is wanted
Ask high.
Summary of the invention
It is an object of the invention to provide a kind of torch neck assembly apparatus, it expands with heat and contract with cold to spray in improvement
While mouth coordinates influence degree and avoids damaging nozzle carrier with nozzle carrier, it is ensured that preferably dispel the heat
Property.
The present invention solves its technical problem and is adopted the technical scheme that: a kind of torch neck assembly apparatus,
Including nozzle and nozzle carrier, being provided with fin in the rear end of described nozzle, described nozzle back segment inner chamber is taper
Chamber and flared end are outside.It is threaded on the conical inboard wall of nozzle at the forward facing position of described fin the inner,
Screw thread is inner conical surface screw thread the most herein；Accordingly, outside described nozzle carrier front end coordinates with nozzle one section
Shape is tapered, arranges external screw thread in the end of this conical section, and screw thread is male cone (strobilus masculinus) screw thread the most herein.Described
Inner conical surface screw thread and male cone (strobilus masculinus) threaded engagement, this structure can effectively overcome expands with heat and contract with cold to screw thread even
The adverse effect of the fitment stability connect, thus after nozzle expanded by heating, ensure that its steady with nozzle carrier
Fixed connection.The axis of described fin relative nozzle is outward-dipping, and its inwall is by (footpath in the middle part of its outer end end face
To) play the inclined-plane that the close axial direction of root tilts in it.After fin is modified, standing of fin
Body structure is prismatoid, therefore this fin is referred to as trapezoidal fin.Trapezoidal fin structure be provided with beneficially gram
Take the excessive wear extent to nozzle carrier when nozzle coordinates with nozzle carrier.
At a certain distance from described nozzle is positioned at before the conical cavity of its rear end, bulge loop is set.The purpose of bulge loop is set
Being fixed seal ring, particularly as follows: the front end face of sealing ring contacts with bulge loop, rear end face contacts with rifle neck,
Finally being clamped and fixed in nozzle chamber, rifle neck is coordinated with nozzle carrier by accessory.The most just letter
Change the structure of ignition tip, it is ensured that its performance, simplified processing process, reduces cost.
The invention has the beneficial effects as follows: it is by the way of screw thread combines with fin, add nozzle with
Nozzle carrier axially engage the degree of depth, again concrete structure is adjusted simultaneously, improves nozzle with welding gun even
The stability connect, makes the annoyance level by heat expansion effect reduce, and the trapezoidal fin form stuck up outward can more have
Effect contact nozzle seat, flexibly clamps nozzle carrier, makes fin structure be no longer necessary to coordinate turn, and heat
Conductance is higher, and when trapezoidal fin structure also avoids using common fin structure, nozzle and nozzle carrier coordinates mill
Damage.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing nozzle；
Fig. 2 is the axle geodesic structure schematic diagram of nozzle involved in the present invention；
Fig. 3 is the cross-sectional view of nozzle involved in the present invention；
Fig. 4 is the planar structure schematic diagram of nozzle involved in the present invention；
Fig. 5 is the cross-sectional view that nozzle coordinates with nozzle carrier；
In figure: 1 nozzle, 11 internal threads, 12 fins, 13 turns, 14 trapezoidal fins, 15 inner cones
Face screw thread, 16 bulge loops, 2 nozzle carriers, 3 ignition tips, 4 sealing rings, 5 rifle necks.
Detailed description of the invention
For ease of understanding the technology contents of the present invention, the most just combine accompanying drawing and it is further described.
A kind of torch neck assembly apparatus as shown in Figure 5, including nozzle 1 and nozzle carrier 2, nozzle 1
Rear end be connected with nozzle carrier 2, nozzle carrier 2 is combined with rifle neck 5, and rifle neck 5 coordinates ignition tip 3, spray
The inner chamber of mouth 1 arranges sealing ring 4, prevents the metal welding slag splashed during welding to be splashed into nozzle 1 interior to spray
Mouth 1 forms impact with the fit structure of nozzle carrier 2.
As shown in Figures 2 to 5, being provided with fin in the rear end of described nozzle 1, fin is axial long herein
The axial length of fin on the nozzle of existing fin structure shown in set amount Fig. 1 to be much smaller than of degree.Described
Nozzle 1 back segment inner chamber is that conical cavity and flared end are outside, nozzle 1 at the forward facing position of described fin the inner
Conical inboard wall on be threaded, screw thread is inner conical surface screw thread 15 the most herein；Accordingly, described nozzle
One section of profile that seat 2 front ends coordinate with nozzle 1 is tapered, arranges external screw thread in the end of this conical section,
Screw thread is male cone (strobilus masculinus) screw thread the most herein, as shown in Fig. 3, Fig. 5.Described inner conical surface screw thread 15 and outer cone
Face threaded engagement, this structure can effectively overcome expands with heat and contract with cold to threaded fitment stability not
Profit impact, thus after nozzle 1 expanded by heating, ensure that its being stably connected with nozzle carrier 2.Described stick up
The axis of sheet relative nozzle 1 is outward-dipping, and its inwall is to it by (radially) in the middle part of its outer end end face
The inclined-plane that interior root tilts near axial direction, show evolution process in circle at A as shown in Figure 3,
The inwall of fin will cut a triangle body, form the flaring structure that outer imperial palace is little.Fin is repaiied
After changing, the stereochemical structure of fin is prismatoid, therefore this fin is referred to as trapezoidal fin 14.Trapezoidal fin 14
The excessive wear extent being provided with when being beneficial to overcome nozzle 1 to coordinate with nozzle carrier 2 nozzle carrier 2 of structure.
Angle that no matter fin main body is the most outward-dipping or the angle of inclination of fin inwall, the most not
The most excessive, suitably control in the range of 1 degree.This somewhat outer trapezoidal fin 14 stuck up, at nozzle 1
After coordinating with spray group seat 2, flexibly it is fastened on nozzle carrier 2 outer wall, and because sticking up in engagement process
The footpath, chamber of sheet part, more than the external diameter of nozzle carrier 2 front end, cuts the fin Stiffness Drop after one piece of inwall simultaneously
Low, so nozzle carrier 2 will not be caused connection abrasion.
At described nozzle 1, bulge loop 16 is set at a certain distance from the front end of its rear end conical cavity.Arrange convex
The purpose of ring 16 is fixed seal ring 4, particularly as follows: the front end face of sealing ring 4 contacts with bulge loop 16,
Rear end face contacts with rifle neck 5, is finally clamped and fixed in nozzle 1 cavity, and rifle neck 5 passes through assisted parts
Part coordinates with nozzle carrier 2.The most just simplifying the structure of ignition tip 3, it is ensured that its performance, simplification adds
Work technique, reduces cost.
It is by the way of screw thread combines with fin, adds axially engaging of nozzle 1 and nozzle carrier 2
The degree of depth, prevents connecting contact surface under current thread forms little, the defect that thermal conductance is bad；Taper surface screw thread
Coordinating makes the annoyance level by heat expansion effect reduce, and improves the stability that nozzle is connected with welding gun；Outward
The trapezoidal fin 14 form energy more effectively contact nozzle seat stuck up, flexibly clamping nozzle carrier 2, makes fin tie
Structure is no longer necessary to coordinate turn, and thermal conductivity is higher, and trapezoidal fin 14 structure is also avoided using commonly sticking up
During chip architecture, nozzle 1 and nozzle carrier 2 coordinates abrasion, it is to avoid nozzle carrier 2 or welding gun are caused damage
Bad, reduce use cost.
The above is only the preferred embodiment of the present invention, it is noted that general for the art
For logical technical staff, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement
And modification, these improve and modification also should be regarded as protection scope of the present invention.
In addition to the technical characteristic described in specification, it is the known technology of those skilled in the art.
Claims (2)
1. a torch neck assembly apparatus, including nozzle and nozzle carrier, is provided with in the rear end of described nozzle
Fin, is characterized in that:
Described nozzle back segment inner chamber be conical cavity and flared end outside；
Inner at described fin, the conical inboard wall of the nozzle at forward facing position is threaded；Accordingly,
One section of profile that described nozzle carrier front end coordinates with nozzle is tapered, arranges in the end of this conical section
External screw thread；
The axis of described fin relative nozzle is outward-dipping, and its inwall is to it by its outer end end face middle
The inclined-plane that interior root tilts near axial direction.
Torch neck assembly apparatus the most according to claim 1, is characterized in that: in described nozzle position
At a certain distance from before the conical cavity of its rear end, bulge loop is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410692533.0A CN104588854B (en) | 2014-11-26 | 2014-11-26 | Torch neck assembly apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410692533.0A CN104588854B (en) | 2014-11-26 | 2014-11-26 | Torch neck assembly apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104588854A CN104588854A (en) | 2015-05-06 |
| CN104588854B true CN104588854B (en) | 2016-08-24 |
Family
ID=53115095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410692533.0A Active CN104588854B (en) | 2014-11-26 | 2014-11-26 | Torch neck assembly apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104588854B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105142323B (en) * | 2015-09-07 | 2017-10-13 | 徐州科融环境资源股份有限公司 | A kind of air cooling plasma electrode |
| CN106334858B (en) * | 2016-10-31 | 2019-01-18 | 武汉纳瑞格智能设备有限公司 | A kind of device for prolonging and life-prolonging method for narrow gap gas shielded arc welding ceramic nozzle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6852950B2 (en) * | 2002-08-09 | 2005-02-08 | Illinois Tool Works Inc. | Welding gun having a removable nozzle end portion and method for operating same |
| US7176412B2 (en) * | 2004-03-31 | 2007-02-13 | Tregaskiss Ltd | Taper locking features between components of a welding device |
| US8338753B2 (en) * | 2010-04-30 | 2012-12-25 | Lincoln Global, Inc. | Contact tip and diffuser |
| CN102114569B (en) * | 2011-04-11 | 2013-04-03 | 力帆实业(集团)股份有限公司 | Combined type stud welding chuck |
| CN204248200U (en) * | 2014-11-26 | 2015-04-08 | 泰佰亿（山东）工业有限公司 | Torch neck assembly apparatus |
-
2014
- 2014-11-26 CN CN201410692533.0A patent/CN104588854B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104588854A (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204747732U (en) | Water -cooling welder | |
| CN104588854B (en) | Torch neck assembly apparatus | |
| CN206216093U (en) | Improved water-cooled welding gun | |
| CN204248200U (en) | Torch neck assembly apparatus | |
| CN105583503A (en) | Carbon steel tube welding process | |
| US10086477B2 (en) | Flux-cored brazing preform | |
| CN102896408B (en) | A kind of argon arc welding gun | |
| CN110102861A (en) | A kind of metal transfer of MIG/MAG accurately controls one side welding with back formation method | |
| CN204075474U (en) | A kind of high-energy gas tungsten arc welding welding gun | |
| CN209969854U (en) | Gas shielded welding nozzle | |
| CN106624264A (en) | Device and technology for eliminating local overheating effect in pipeline welding process | |
| CN203245491U (en) | Small-bore inner cavity butt joint welding gun | |
| CN203765153U (en) | Gas shielded welding gun for thick wire high-speed automatic welding | |
| CN210702975U (en) | Bulb and pipeline welding | |
| CN205008727U (en) | Gas shielded arc welding water -cooling jacket | |
| CN204449589U (en) | A kind of welding machine spiral water sniper's shot head | |
| CN104175015A (en) | Welding rod | |
| CN204053174U (en) | Accurate soldering torch neck | |
| CN204893170U (en) | Automatic to electrically conductive mouth structure of chinese style | |
| CN204878829U (en) | Special full welded ball valve of heat supply | |
| CN204449588U (en) | A kind of welding machine water-cooling rifle head | |
| CN209811427U (en) | Double-layer gas shielded welding gun | |
| CN205147552U (en) | Dark groove submerged arc welding in narrow clearance is with leading electric nozzle | |
| CN205008726U (en) | Welding groove argon filling device | |
| CN105965170A (en) | Machining method of conical round steel pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |