CN104999172A - Pipe fitting and shell welding method and application - Google Patents
Pipe fitting and shell welding method and application Download PDFInfo
- Publication number
- CN104999172A CN104999172A CN201510434209.3A CN201510434209A CN104999172A CN 104999172 A CN104999172 A CN 104999172A CN 201510434209 A CN201510434209 A CN 201510434209A CN 104999172 A CN104999172 A CN 104999172A
- Authority
- CN
- China
- Prior art keywords
- housing
- welding
- pipe fitting
- neck
- welding method
- 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
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
- B23K11/00—Resistance welding; Severing by resistance heating
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0004—Resistance soldering
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- 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
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/02—Plasma welding
-
- 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
- B23K9/16—Arc welding or cutting making use of shielding gas
Abstract
The invention provides a pipe fitting and shell welding method and application. According to the welding method, one end of a pipe fitting is made of a steel material and stretches into a shell from the neck portion of the shell, and the neck portion of the shell is made of a steel material; one end of the pipe fitting and the neck portion of the shell are connected through welding by means of the welding method adopting electric energy as the heat source, or one end of the pipe fitting and the neck portion of the shell are connected through welding by means of the welding method adopting electric energy as the heat source and furnace brazing.
Description
Technical field
The present invention relates to metal solder field, and in particular to the welding method of a kind of pipe fitting and housing and application.
Background technology
Within air-conditioning systems, in tank body type component, the housing of steel and the welding quality of pipe arrangement and welding cost are that this type component pays close attention to problem when producing.Current housing and the pipe arrangement welding mode of gas brazing or furnace brazing that adopts are welded to connect more.
For gas brazing, gas combustion can be oxidized housing and pipe arrangement, and after welding, can turn black in the surface of pipe arrangement and housing, need through the process of the operations such as follow-up polishing and cleaning.In this welding manner, polishing and matting not only considerably increase welding cost, and can cause bad impact to the outward appearance of product when polishing, thus the product quality after impact welding.For furnace brazing, uneven due to temperature in stove, after housing after assembling and pipe arrangement enter body of heater, owing to being not easy to be fixed, by the impact of temperature, housing and pipe arrangement expand with heat and contract with cold, and make to occur between housing and pipe arrangement to loosen, the easy run-off the straight of pipe arrangement, has a strong impact on the quality of the product after welding.
Summary of the invention
The present invention, in order to overcome the welding method poor welding quality of existing housing and pipe arrangement and the high problem of welding cost, provides a kind of and has lower welding cost and the welding method of superior in quality pipe fitting and housing and application after welding.
To achieve these goals, the invention provides the welding method of a kind of pipe fitting and housing, comprising:
One end of pipe fitting is made up of steel material, and one end of pipe fitting extend in housing from the neck of housing, and the neck of housing is made up of steel material;
Adopt electric energy to be welded to connect one end of pipe fitting and the neck of housing as the welding method of thermal source or adopt electric energy to combine as the welding method of thermal source and furnace brazing and be welded to connect one end of pipe fitting and the neck of housing.
In one embodiment of the invention, adopt electric energy as the welding method of thermal source and furnace brazing combine the neck of one end of being welded to connect pipe fitting and housing time, first, employing electric energy is utilized to be welded to connect in one end of pipe fitting and the neck of housing as the welding method of thermal source; Then, furnace brazing is adopted to be welded to connect in one end of pipe fitting and the neck of housing along the circumference of one end of pipe fitting.
In one embodiment of the invention, adopt electric energy to be electric resistance welding as the welding method of thermal source, the sidewall of the lateral wall of one end of pipe fitting and the neck of housing assembles, and adopts the lateral wall of one end of electric resistance welding connecting tube and the sidewall of the neck of housing.
In one embodiment of the invention, the lateral wall of one end of pipe fitting has outward extending weld part, adopts the sidewall of the neck of electric resistance welding connecting welding portion and housing.
In one embodiment of the invention, adopt electric energy to be arc welding as the welding method of thermal source, both are welded to connect by the arc welding fusing lateral wall of one end of pipe fitting and the sidewall of the neck of housing.
In one embodiment of the invention, arc welding is any one in the welding of gas tungstun arc welding, gas metal-arc welding, Plasma Welding or accurate ion.
In one embodiment of the invention, adopt during the sidewall of the lateral wall of one end of electric arc welding connecting tube and the neck of housing and add wlding.
In one embodiment of the invention; adopt electric energy as one end of Welding connecting tube of thermal source and the neck of housing, electric energy is any one in arc brazing in argon, metal inert-gas arc brazing, consumable electrode active gases protection arc brazing, CO 2 gas-shielded soldering or induction brazing as the soldering of thermal source.
In one embodiment of the invention, pipe fitting is carbon steel pipe, stainless steel tube or multiple tube, and when pipe fitting is multiple tube, one end of pipe fitting is made up of carbon steel or stainless steel and neck through housing extend into enclosure interior.
Above-mentioned pipe fitting and the welding method of housing are applied to welding of compressor liquid storage device escape pipe and housing, compressor liquid storage device air inlet pipe is welded with housing, the welding of the welding of pipe arrangement and housing on silencer for air conditioner, gas-liquid separator pipe arrangement and housing, or the welding of gs-oil separator pipe arrangement and housing.
In sum, the welding method of pipe fitting provided by the invention and housing and application compared with prior art, have the following advantages:
When the pipe fitting after assemble welding and housing, adopt electric energy as thermal source, electric energy is converted to the gap between one end of heat energy fusing one end of pipe fitting and the neck of housing or fusing wlding filled tube and the neck of housing, thus reaches the object being welded to connect pipe fitting and housing.The high temperature that electric energy produces can not impact the surface of pipe arrangement and housing when welding, and the product surface cleanliness factor after welding is very high, without the need to carrying out follow-up cleaning process, not only greatly reduces production cost, also ensure that the quality of the rear product of welding simultaneously.Further, adopt electric energy as the welding manner of thermal source, when welding, housing and pipe fitting are easily fixed and welding temperature is even, can not run-off the straight between housing and pipe fitting, ensure the housing after welding and pipe arrangement part coaxial.
In addition, will electric energy be adopted to combine as the welding method of thermal source and furnace brazing, utilized before furnace brazing and adopt electric energy to be welded to connect one end of pipe fitting and the neck of housing, one end of fixed fitting and the neck of housing as the welding method of thermal source.After this step completes, housing and pipe fitting are carried out furnace brazing, pipe fitting is connected with housing seal by the circumference along one end of pipe fitting.High, the applicable advantage produced in enormous quantities of welding efficiency that this kind of welding manner not only has furnace brazing, also solves the problem that furnace brazing pipe fitting tilts simultaneously.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Fig. 1 a to Fig. 1 d is the structural representation adopting electric resistance welding connecting tube and housing.
Fig. 2 a to Fig. 2 F is the structural representation adopting electric arc welding connecting tube and housing.
Fig. 3 a to Fig. 3 b is depicted as and adopts the Welding connecting tube of electric energy as thermal source and the structural representation of housing.
Fig. 4 a to 4b is depicted as arc welding and furnace brazing and combines and be welded to connect the structural representation of pipe fitting and housing.
Detailed description of the invention
Embodiment one
The welding method of the pipe fitting that the present embodiment provides and housing comprises:
One end 11 of pipe fitting is made up of steel material, and one end 11 of pipe fitting extend in housing 2 from the neck 21 of housing, and the neck 21 of housing is made up of steel material; Electric energy is adopted to be welded to connect one end 11 of pipe fitting and the neck 21 of housing as the welding method of thermal source.
The welding method of the pipe fitting that the present embodiment provides and housing is applied to the welding of compressor liquid storage device air inlet pipe and housing, as shown in Figure 1a.Wherein, housing 2 is the reservoir housing (the end cap part of housing is only shown in figure) be made up of steel material; Pipe fitting 1 is the air inlet pipe of reservoir, and pipe fitting 1 is multiple tube, has the one end 11 of being made up of stainless steel material and the other end 12 be made up of copper product.But the present invention is not limited in any way the type of pipe fitting 1 and structure.In other embodiment, pipe fitting 1 can be the escape pipe of reservoir, and as shown in figs. lc and ld, and pipe fitting 1 also can be overall carbon steel pipe or stainless steel tube, as shown in Figure 1 d.
In the present embodiment, adopt electric energy to be electric resistance welding as the welding method of thermal source, the lateral wall of one end 11 of pipe fitting has outward extending weld part 111.Preferably, weld part 111 is stretch out from the lateral wall of one end 11 of pipe fitting and extend to the step of the transverse direction above the lateral wall of neck 21, forms fitting surface between the lateral wall of the bottom surface of step and the neck 21 of housing.But the present invention is not limited in any way the position of weld part 111 and shape.In other embodiment, as shown in Figure 1 b, the part that one end 11 of pipe fitting can be stretched into housing is arranged to flared type to form weld part, and the sidewall of enlarging place contacts with the inwall of the neck 21 of housing, forms the fitting surface being applicable to electric resistance welding; Or weld part 111 is be the fin of inclined plane or arc-shaped curved surface from the outward extending surface of lateral wall of one end 11 of pipe fitting.
In the present embodiment, weld part 111 is one-body molded with pipe fitting 1.But the present invention is not limited in any way this.In other embodiment, weld part 111 is connected with pipe fitting 1 by the mode of welding.
Form weld part 111 by the lateral wall of the one end 11 at pipe fitting, when carrying out electric resistance welding, electrode applies the neck 21 of active force at weld part 111 and housing along the axis direction of pipe fitting 1.The fitting surface that the setting of weld part 111 is not only formed for weld-end fittings and housing is comparatively large, and be convenient to electric resistance welding, and two distribution of electrodes are in arranging up and down, arrangement space is large, is convenient to the applying of welding and pressure.But the present invention is not limited in any way this.In other embodiment, the lateral wall of one end 11 of pipe fitting can not arrange weld part, fitting surface is formed between the end face of the lateral wall of one end 11 of pipe fitting and the neck 21 of housing or sidewall, two electrodes transversely distribute, one of them is positioned at the inside of pipe fitting 1, and this kind of mode is applicable to the larger situation of pipe fitting 1 internal diameter.
When welding, electrode being applied to the neck 21 of weld part 111 and housing, applying pressure and being energized, utilize resistance heat that fitting surface fusing is realized the connection of pipe fitting 1 and housing 2.Because one end 11 of pipe fitting and the neck 21 of housing are made by stainless steel material, stainless electrical conductivity is low, and heat conductivility is poor, and when therefore adopting electric resistance welding stainless steel material, welding current control is in a few kiloampere.As being the stainless steel of 2 millimeters for welding wall thickness, electric current is between 11 kilo-ampere ~ 13 kilo-amperes.
Only give the assembling schematic diagram of pipe fitting when adopting electric resistance welding to carry out weld-end fittings and housing and housing in Fig. 1 a to Fig. 1 d, the electrode of electric resistance welding is not shown.Adopt electric resistance welding to weld, the resistance on the fitting surface between the neck 21 utilizing weld part 111 and housing produces resistance heat to melt fitting surface, thus is welded to connect pipe fitting 1 and housing 2 is welded to connect.This kind of welding manner converts electrical energy into heat energy, and the effect of fusing is only played in the rising of temperature, can not produce any impact to the surface of pipe fitting 1 and housing 2.Adopt the product surface after welding in this way clean, clean, without the need to any subsequent operation, there is very low production cost and excellent welding quality.
The welding method that the present embodiment provides is applied to the welding of compressor liquid storage device air inlet pipe and housing.But the present invention is not limited in any way this.In other embodiment, the welding method that the present embodiment provides is equally applicable to the welding of the welding of pipe arrangement and housing on the welding of compressor liquid storage device escape pipe and housing, silencer for air conditioner, gas-liquid separator pipe arrangement and housing, or the welding of gs-oil separator pipe arrangement and housing.
Embodiment two
The welding method of the pipe fitting that the present embodiment provides and housing comprises:
One end 11 of pipe fitting is made up of steel material, and one end 11 of pipe fitting extend in housing 2 from the neck 21 of housing, and the neck 21 of housing is made up of steel material; Electric energy is adopted to be welded to connect one end 11 of pipe fitting and the neck 21 of housing as the welding method of thermal source.
In the present embodiment, electric energy is adopted to be arc welding as the welding method of thermal source.Preferably, arc welding is gas tungstun arc welding.But the present invention is not limited in any way this.In other embodiment, arc welding can be any one in the welding of gas metal-arc welding, Plasma Welding or accurate ion.
In the present embodiment, the compressor liquid storage device housing that housing 2 is made for steel material, pipe fitting 1 is compressor liquid storage device air inlet pipe, as shown in Figure 2 a.Wherein, housing 2 illustrate only end cap part; Pipe fitting 1 is the multiple tube of copper and stainless steel composition, and one end 11 of pipe fitting is made up of stainless steel material.But the present invention is not limited in any way this.In other embodiment, pipe fitting 1 can be the escape pipe of compressor liquid storage device, as shown in Fig. 2 c to 2f; Pipe fitting 1 also can be overall stainless steel tube or carbon steel pipe, as shown in figure 2 e and 2f.
One end 11 of pipe fitting is inserted in housing 2 through the neck 2 of housing; fitting surface is formed (in other embodiment between the madial wall of the lateral wall of one end 11 of pipe fitting and the neck 2 of housing; the lateral wall of one end 11 of middle pipe fitting can and housing neck 2 lateral wall between form fitting surface; as shown in Figure 2 b); tungsten electrode energising produce electric arc and under the protection of protective gas heat fused fitting surface, realize being welded to connect of pipe fitting 1 and housing 2 after power-off cooling.This kind of mode electrode produces point discharge and forms electric arc generation heat under High Pressure, and this heat can not have an impact to the outer surface of pipe fitting 1 and housing 2, and the product surface after welding is bright and clean, without the need to following process.
For improving the weld strength of weld, in the present embodiment, increasing wlding 3 when arc welding, merging mutually after wlding fusing with the contact surface of fusing, the weld seam formed after making to weld cooling is fuller, and weld has stronger weld strength.But the present invention is not limited in any way this.In other embodiment, considering cost and weld strength can rotate whether increase wlding.Be compressor liquid storage device air inlet pipe and the arc welding of housing when not adding wlding as shown in Figure 2 b; Fig. 2 d and 2f is compressor liquid storage device escape pipe and the arc welding of housing when not adding wlding.
In the present embodiment, wlding 3 is welding wire.But the present invention is not limited in any way this.In other embodiment, wlding 3 can be weld-ring.
The welding method that the present embodiment provides is applied to the welding of compressor liquid storage device air inlet pipe and housing.But the present invention is not limited in any way this.In other embodiment, the welding method that the present embodiment provides is equally applicable to the welding of the welding of pipe arrangement and housing on the welding of compressor liquid storage device escape pipe and housing, silencer for air conditioner, gas-liquid separator pipe arrangement and housing, or the welding of gs-oil separator pipe arrangement and housing.
Embodiment three
The welding method of the pipe fitting that the present embodiment provides and housing comprises:
One end 11 of pipe fitting is made up of steel material, and one end 11 of pipe fitting extend in housing 2 from the neck 21 of housing, and the neck 21 of housing is made up of steel material; Electric energy is adopted to be welded to connect one end 11 of pipe fitting and the neck 21 of housing as the welding method of thermal source.
In the present embodiment, adopt electric energy as the soldering of the welding method of thermal source to be thermal source be electric energy, i.e. nonflame soldering.Preferably, thermal source is the soldering of electric energy is arc brazing in argon, and as shown in Figure 3 a, wherein gas shield device is not shown.But the present invention is not limited in any way this.In other embodiment, thermal source is that the soldering of electric energy can be metal inert-gas arc brazing (MIG soldering), consumable electrode active gases protection arc brazing (MAG soldering), carbon-dioxide protecting soldering or induction brazing.The structural representation of MIG soldering, MAG soldering and carbon-dioxide protecting soldering is identical with arc brazing in argon, and protective gas logical when difference is to weld is different.Fig. 3 b is depicted as structural representation during induction brazing.
In the present embodiment, housing 2 is compressor liquid storage device housing, and pipe fitting 1 is compressor liquid storage device escape pipe, as shown in Figure 3 a.Wherein, housing 2 illustrate only end cap part; Pipe fitting 1 is the multiple tube of copper and stainless steel composition, and one end 11 of pipe fitting is made up of stainless steel material.But the present invention is not limited in any way this.In other embodiment, pipe fitting 1 can be the air inlet pipe of compressor liquid storage device; Pipe fitting 1 also can be overall stainless steel tube or carbon steel pipe.
Concrete Fundamentals of Welding are: one end 11 of pipe fitting is inserted in housing 2 through the neck 2 of housing, fitting surface is formed between the sidewall (sidewall can be madial wall or lateral wall) of the lateral wall of one end 11 of pipe fitting and the neck 2 of housing, electrifying electrodes produces heat and is melted by wlding 3, between the lateral wall of one end 11 of the wlding filled tube of fusing and the lateral wall of the neck 2 of housing, after power-off, the wlding cooling of fusing forms weld seam, the sidewall of the lateral wall of one end 11 of connecting tube and the neck 2 of housing.Same, after this kind of welding method welding, product surface is clean, without the need to following process.
In the present embodiment, wlding 3 is welding wire.But the present invention is not limited in any way this.In other embodiment, wlding 3 can be weld-ring, in induction brazing as shown in Figure 3 b.
The welding method that the present embodiment provides is applied to the welding of compressor liquid storage device escape pipe and housing.But the present invention is not limited in any way this.In other embodiment, the welding method that the present embodiment provides is equally applicable to the welding of the welding of pipe arrangement and housing on the welding of compressor liquid storage device air inlet pipe and housing, silencer for air conditioner, gas-liquid separator pipe arrangement and housing, or the welding of gs-oil separator pipe arrangement and housing.
Embodiment four
Traditional furnace brazing welding efficiency is high, is applicable to large batch of production, but there is the problem of welding rear tubular member inclination.For improving welding efficiency, the present embodiment provides a kind of in conjunction with furnace brazing and the welding method that do not tilt of welding rear tubular member, comprising:
One end 11 of pipe fitting is made up of steel material, and one end 11 of pipe fitting extend in housing 2 from the neck 21 of housing, and the neck 21 of housing is made up of steel material; Adopt electric energy to combine as the welding method of thermal source and furnace brazing and be welded to connect one end 11 of pipe fitting and the neck 21 of housing.Specifically: step one, employing electric energy is utilized to be welded to connect, neck 21 part of one end 11 of pipe fitting and housing as carried out spot welding in the side of fitting surface as the welding method of thermal source.Step 2, the opposite side of the fitting surface formed in one end 11 of pipe fitting and the neck 21 of housing places weld-ring 5, and adopt furnace brazing weld-ring 5 to be melted, one end 11 of pipe fitting and the neck 21 of housing are welded to connect by the circumference along one end 11 of pipe fitting.But the present invention is not limited in any way this.In other embodiment, the neck 21 of one end 11 of pipe fitting and housing can be carried out circular seam welding for the moment in step, play effect that is fixing and prewelding, the effect deepening welding penetration is played in the furnace brazing of step 2.
In the present embodiment, adopt electric energy to be arc welding as the welding method of thermal source, its welding condition embodiment two is identical.Adopt arc welding, weld seam is formed after fitting surface melted by heat during welding between the lateral wall of one end 11 of pipe fitting and the neck 21 of housing, the fusing point of the weld seam formed is greater than the fusing point of wlding in furnace brazing, namely the weld seam formed through arc welding can not melt in furnace brazing, therefore can reach the effect of fixed fitting 1 and housing 2.
But the present invention is not limited in any way the welding method adopting electric energy as thermal source.In other embodiment, electric energy is adopted to can be electric resistance welding or nonflame soldering as the welding method of thermal source.When for electric resistance welding, welding condition is identical with embodiment one; When for nonflame soldering, welding condition is identical with embodiment three, and the fusing point of the wlding that now nonflame soldering uses is higher than the temperature of furnace brazing.
The welding method that the present embodiment provides, adopts electric energy all can not have an impact to the surface of pipe fitting 1 and housing 2, equally without the need to carrying out follow-up cleaning process as after the welding method of thermal source and furnace brazing welding.Further, two kinds of welding manners combine, and not only possessed the advantage that furnace brazing welding efficiency is high, be applicable to production in enormous quantities, the pipe fitting simultaneously after welding can not tilt.
As shown in fig. 4 a, housing 2 is compressor liquid storage device housing, and pipe fitting 1 is escape pipe and is that wherein one end is the multiple tube that stainless steel is made.But the present invention is not limited in any way this.In other embodiment, pipe fitting 1 can be overall stainless steel tube, carbon steel pipe (as shown in Figure 4) or wherein one end be the multiple tube of carbon steel.This welding method is also applicable to the welding of the welding of pipe arrangement and housing on the welding of compressor liquid storage device air inlet pipe and housing, silencer for air conditioner, gas-liquid separator pipe arrangement and housing, or the welding of gs-oil separator pipe arrangement and housing.
In sum, when the pipe fitting 1 after assemble welding and housing 2, adopt electric energy as thermal source, electric energy is converted to the gap between one end 11 of heat energy fusing one end of pipe fitting and the neck of housing or fusing wlding filled tube and the neck 21 of housing, thus reaches the object being welded to connect pipe fitting and housing.The high temperature that electric energy produces can not impact the surface of pipe arrangement and housing when welding, and the product surface cleanliness factor after welding is very high, without the need to carrying out follow-up cleaning process, not only greatly reduces production cost, also ensure that the quality of the rear product of welding simultaneously.Further, adopt electric energy as the welding manner of thermal source, when welding, housing 2 and pipe fitting 1 are easily fixed and welding temperature is even, can not run-off the straight between housing 2 and pipe fitting 1, ensure the housing 2 after welding and pipe fitting 1 coaxial.
In addition, combine adopting electric energy as the welding method of thermal source and furnace brazing, utilized before furnace brazing and adopt electric energy to be welded to connect one end 11 of pipe fitting and the neck 21 of housing, one end 11 of fixed fitting and the neck 21 of housing as the welding method of thermal source.After this step completes, housing and pipe fitting are carried out furnace brazing, pipe fitting 1 and housing 2 are tightly connected by the circumference along one end 11 of pipe fitting.High, the applicable advantage produced in enormous quantities of welding efficiency that this kind of welding manner not only has furnace brazing, also solves the problem that furnace brazing pipe fitting tilts simultaneously.
Although the present invention discloses as above by preferred embodiment; but and be not used to limit the present invention, anyly know this those skilled in the art, without departing from the spirit and scope of the present invention; can do a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on claims scope required for protection.
Claims (10)
1. a welding method for pipe fitting and housing, is characterized in that, comprising:
One end of pipe fitting is made up of steel material, and one end of pipe fitting extend in housing from the neck of housing, and the neck of housing is made up of steel material;
Adopt electric energy to be welded to connect one end of pipe fitting and the neck of housing as the welding method of thermal source or adopt electric energy to combine as the welding method of thermal source and furnace brazing and be welded to connect one end of pipe fitting and the neck of housing.
2. the welding method of pipe fitting according to claim 1 and housing, it is characterized in that, adopt electric energy as the welding method of thermal source and furnace brazing combine the neck of one end of being welded to connect pipe fitting and housing time, first, employing electric energy is utilized to be welded to connect in one end of pipe fitting and the neck of housing as the welding method of thermal source; Then, furnace brazing is adopted to be welded to connect in one end of pipe fitting and the neck of housing along the circumference of one end of pipe fitting.
3. the welding method of pipe fitting according to claim 1 and 2 and housing, it is characterized in that, electric energy is adopted to be electric resistance welding as the welding method of thermal source, the sidewall of the lateral wall of one end of pipe fitting and the neck of housing assembles, and adopts the lateral wall of one end of electric resistance welding connecting tube and the sidewall of the neck of housing.
4. the welding method of pipe fitting according to claim 3 and housing, is characterized in that, the lateral wall of one end of pipe fitting has outward extending weld part, adopts the sidewall of the neck of electric resistance welding connecting welding portion and housing.
5. the welding method of pipe fitting according to claim 1 and 2 and housing, is characterized in that, adopt electric energy to be arc welding as the welding method of thermal source, both are welded to connect by the arc welding fusing lateral wall of one end of pipe fitting and the sidewall of the neck of housing.
6. the welding method of pipe fitting according to claim 5 and housing, is characterized in that, described arc welding is any one in the welding of gas tungstun arc welding, gas metal-arc welding, Plasma Welding or accurate ion.
7. the welding method of pipe fitting according to claim 5 and housing, is characterized in that, adopts during the sidewall of the lateral wall of one end of electric arc welding connecting tube and the neck of housing and adds wlding.
8. the welding method of pipe fitting according to claim 1 and 2 and housing; it is characterized in that; adopt electric energy as one end of Welding connecting tube of thermal source and the neck of housing, described electric energy is any one in arc brazing in argon, metal inert-gas arc brazing, consumable electrode active gases protection arc brazing, CO 2 gas-shielded soldering or induction brazing as the soldering of thermal source.
9. the welding method of pipe fitting according to claim 1 and housing, it is characterized in that, described pipe fitting is carbon steel pipe, stainless steel tube or multiple tube, and when described pipe fitting is multiple tube, one end of pipe fitting is made up of carbon steel or stainless steel and neck through housing extend into enclosure interior.
10. the pipe fitting according to any one of claim 1 ~ 9 and the welding method of housing are applied to welding of compressor liquid storage device escape pipe and housing, compressor liquid storage device air inlet pipe is welded with housing, the welding of the welding of pipe arrangement and housing on silencer for air conditioner, gas-liquid separator pipe arrangement and housing, or the welding of gs-oil separator pipe arrangement and housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434209.3A CN104999172A (en) | 2015-07-22 | 2015-07-22 | Pipe fitting and shell welding method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434209.3A CN104999172A (en) | 2015-07-22 | 2015-07-22 | Pipe fitting and shell welding method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104999172A true CN104999172A (en) | 2015-10-28 |
Family
ID=54372172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510434209.3A Pending CN104999172A (en) | 2015-07-22 | 2015-07-22 | Pipe fitting and shell welding method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104999172A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312786A (en) * | 2015-11-27 | 2016-02-10 | 嵊州市新高轮制冷设备有限公司 | Liquid storage device and compressor connection method |
| CN105312703A (en) * | 2015-11-17 | 2016-02-10 | 东莞市金瑞五金制品有限公司 | Welding assembly method for air condition compressor upper cover |
| CN110142476A (en) * | 2019-06-19 | 2019-08-20 | 佛山市双怡电器科技实业有限公司 | A kind of stainless steel tube soldering |
| CN111219312A (en) * | 2018-11-26 | 2020-06-02 | 上海海立电器有限公司 | Micro compressor |
| US10928108B2 (en) | 2012-09-13 | 2021-02-23 | Emerson Climate Technologies, Inc. | Compressor assembly with directed suction |
| CN112496513A (en) * | 2020-11-30 | 2021-03-16 | 芜湖欧宝机电有限公司 | Welding method for welding compressor pipe fitting |
| US11236748B2 (en) | 2019-03-29 | 2022-02-01 | Emerson Climate Technologies, Inc. | Compressor having directed suction |
| US11248605B1 (en) | 2020-07-28 | 2022-02-15 | Emerson Climate Technologies, Inc. | Compressor having shell fitting |
| US11619228B2 (en) | 2021-01-27 | 2023-04-04 | Emerson Climate Technologies, Inc. | Compressor having directed suction |
| US11767838B2 (en) | 2019-06-14 | 2023-09-26 | Copeland Lp | Compressor having suction fitting |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004108741A (en) * | 2002-09-20 | 2004-04-08 | Daikin Ind Ltd | Heat exchanger and its manufacturing method |
| CN1527009A (en) * | 2003-03-05 | 2004-09-08 | Lg电子株式会社 | Gas-liquid separator for sealing compressor |
| CN1888744A (en) * | 2005-06-29 | 2007-01-03 | 浙江三花制冷集团有限公司 | Liquid storing device for storing refrigrant in device |
| CN101328878A (en) * | 2008-07-16 | 2008-12-24 | 广东美芝制冷设备有限公司 | Suction duct of air conditioner compressor and fabricating and connecting method thereof |
| CN102966516A (en) * | 2012-11-30 | 2013-03-13 | 东莞市金瑞五金制品有限公司 | Connecting structure for compressor accumulator |
| CN103433631A (en) * | 2013-09-09 | 2013-12-11 | 芜湖苏立实业有限公司 | Nickel-base brazing process of heating tube |
| CN103480935A (en) * | 2013-09-22 | 2014-01-01 | 广东美芝精密制造有限公司 | Rotary compressor welding fixture, rotary compressor and rotary compressor manufacturing method |
| CN103978286A (en) * | 2014-04-25 | 2014-08-13 | 张红霞 | Tubular part welding method and application thereof |
-
2015
- 2015-07-22 CN CN201510434209.3A patent/CN104999172A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004108741A (en) * | 2002-09-20 | 2004-04-08 | Daikin Ind Ltd | Heat exchanger and its manufacturing method |
| CN1527009A (en) * | 2003-03-05 | 2004-09-08 | Lg电子株式会社 | Gas-liquid separator for sealing compressor |
| CN1888744A (en) * | 2005-06-29 | 2007-01-03 | 浙江三花制冷集团有限公司 | Liquid storing device for storing refrigrant in device |
| CN101328878A (en) * | 2008-07-16 | 2008-12-24 | 广东美芝制冷设备有限公司 | Suction duct of air conditioner compressor and fabricating and connecting method thereof |
| CN102966516A (en) * | 2012-11-30 | 2013-03-13 | 东莞市金瑞五金制品有限公司 | Connecting structure for compressor accumulator |
| CN103433631A (en) * | 2013-09-09 | 2013-12-11 | 芜湖苏立实业有限公司 | Nickel-base brazing process of heating tube |
| CN103480935A (en) * | 2013-09-22 | 2014-01-01 | 广东美芝精密制造有限公司 | Rotary compressor welding fixture, rotary compressor and rotary compressor manufacturing method |
| CN103978286A (en) * | 2014-04-25 | 2014-08-13 | 张红霞 | Tubular part welding method and application thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10928108B2 (en) | 2012-09-13 | 2021-02-23 | Emerson Climate Technologies, Inc. | Compressor assembly with directed suction |
| US10995974B2 (en) | 2012-09-13 | 2021-05-04 | Emerson Climate Technologies, Inc. | Compressor assembly with directed suction |
| CN105312703A (en) * | 2015-11-17 | 2016-02-10 | 东莞市金瑞五金制品有限公司 | Welding assembly method for air condition compressor upper cover |
| CN105312703B (en) * | 2015-11-17 | 2017-09-15 | 东莞市金瑞五金股份有限公司 | A kind of welding assembly method covered on compressor of air conditioner |
| CN105312786A (en) * | 2015-11-27 | 2016-02-10 | 嵊州市新高轮制冷设备有限公司 | Liquid storage device and compressor connection method |
| CN111219312A (en) * | 2018-11-26 | 2020-06-02 | 上海海立电器有限公司 | Micro compressor |
| US11236748B2 (en) | 2019-03-29 | 2022-02-01 | Emerson Climate Technologies, Inc. | Compressor having directed suction |
| US11767838B2 (en) | 2019-06-14 | 2023-09-26 | Copeland Lp | Compressor having suction fitting |
| CN110142476A (en) * | 2019-06-19 | 2019-08-20 | 佛山市双怡电器科技实业有限公司 | A kind of stainless steel tube soldering |
| US11248605B1 (en) | 2020-07-28 | 2022-02-15 | Emerson Climate Technologies, Inc. | Compressor having shell fitting |
| CN112496513B (en) * | 2020-11-30 | 2022-04-01 | 芜湖欧宝机电有限公司 | Welding method for welding compressor pipe fitting |
| CN112496513A (en) * | 2020-11-30 | 2021-03-16 | 芜湖欧宝机电有限公司 | Welding method for welding compressor pipe fitting |
| US11619228B2 (en) | 2021-01-27 | 2023-04-04 | Emerson Climate Technologies, Inc. | Compressor having directed suction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104999172A (en) | Pipe fitting and shell welding method and application | |
| CN107584195B (en) | Alternating electric arc fuse argon tungsten-arc welding system and method for aluminum alloy piping welding | |
| CN102303178B (en) | Semi-automatic gas shield welding construction technology for aluminum conductors | |
| CN103801847B (en) | A kind of copper tube welding method | |
| CN204934897U (en) | The electric resistance welding structure of pipe fitting and housing | |
| CN104625411B (en) | A kind of Ti2The method of AlNb base intermetallic compound and xenogenesis titanium alloy welding | |
| CN205464747U (en) | Single power mariages submerged arc welding welder | |
| CN109262117B (en) | High-efficient refrigerated lockhole effect TIG deep penetration welding welder | |
| CN103343847A (en) | Copper aluminum tube and welding process thereof | |
| US20060016788A1 (en) | Method for welding employing current | |
| CN103753006B (en) | A kind of resistance welding technology of compressor liquid storage can | |
| CN110508909A (en) | Stainless steel tube docks the welding system and method for automatic superimposed pulse single-run welding | |
| CN202951963U (en) | Miniature gas-cooled type tungsten inert gas (TIG) small welding gun | |
| CN102357722A (en) | Combined multi-parameter adjustable narrow-gap TIG (Tungsten Inert Gas) welding torch | |
| CN107052536A (en) | A kind of low-alloy steel heat exchanger tube docking automatic soldering technique without packing material | |
| CN101085489A (en) | Cold air type argon-arc welding gun | |
| CN101774055A (en) | Blind area welding method | |
| CN102528248A (en) | Narrow-gap tungsten inert gas (TIG) welding gun | |
| CN201195224Y (en) | Manual direct current argon tungsten-arc welding air cooling type welding gun | |
| CN108436241B (en) | Resistance welding method | |
| CN205227948U (en) | Welded structure of pipe fitting and casing | |
| CN104439732A (en) | Novel welding structure and welding method | |
| CN104722941B (en) | The assembly method of little steel pipe inside a kind of air conditioning liquid reservoir | |
| CN204321422U (en) | Novel welding structure body | |
| CN104400195A (en) | Tungsten electrode gas shielded welding method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151028 |
|
| RJ01 | Rejection of invention patent application after publication |