CN114012359A - Composite processing technology of liquid accumulator - Google Patents
Composite processing technology of liquid accumulator Download PDFInfo
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- CN114012359A CN114012359A CN202111269954.9A CN202111269954A CN114012359A CN 114012359 A CN114012359 A CN 114012359A CN 202111269954 A CN202111269954 A CN 202111269954A CN 114012359 A CN114012359 A CN 114012359A
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- air outlet
- air inlet
- pipe assembly
- outlet pipe
- inlet pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a composite processing technology of a liquid accumulator, which comprises prefabricating an air inlet pipe ring gasket and an air outlet pipe connecting plate; pressing an air inlet pipe ring gasket and an air inlet pipe and sleeving a welding ring to form an air inlet pipe assembly, pressing an air outlet pipe connecting plate and an air outlet pipe and sleeving the welding ring to form an air outlet pipe assembly, and then putting the air inlet pipe assembly and the air outlet pipe assembly into a high-frequency welding furnace for welding; cutting off the steel pipe and chamfering to form a cylinder, spinning an air outlet connector end at one end of the cylinder by adopting a spinning necking process, pressing a fixing plate and a filter screen into the cylinder, and spinning an air inlet connector end at the other end of the cylinder by adopting a spinning necking process; inserting the air inlet pipe assembly into the air inlet connector end, inserting the air outlet pipe assembly into the air outlet connector end and fixedly penetrating the air outlet pipe assembly on the fixing plate, and then hermetically connecting the air inlet pipe assembly with the air inlet connector end, and respectively connecting the air outlet pipe assembly with the air outlet connector end through pressure resistance welding to form a liquid reservoir; and detecting with water to obtain the finished product of the liquid storage device. The process can improve the quality of the liquid storage device and reduce the reject ratio of products.
Description
Technical Field
The invention relates to the technical field of processing technologies of liquid accumulators of air conditioner accessories, in particular to a composite processing technology of a liquid accumulator.
Background
The traditional two-section type liquid storage device is processed by the following steps: the upper and lower barrels of the liquid storage device are processed by respectively skipping the procedures of punching (sheet dropping), stretching, punching, chamfering and the like on a steel plate according to the size of a part, the assembling process comprises the steps of pressing the filter screen assembly and the fixed plate with the upper barrel, then pressing the upper and lower barrels, pressing the air inlet pipe with the upper barrel, pressing the air outlet pipe with the lower barrel, then putting the workpiece into a brazing furnace, heating the workpiece by using the brazing furnace, welding the workpiece with a brazing ring placed in advance, and finally carrying out the processes of brazing, water detection and the like to obtain a finished product.
The traditional three-section type liquid storage device is processed by the following steps: stamping upper and lower end covers with a steel plate, cutting off and chamfering steel pipes, pressing a fixing plate and a filtering assembly into a cylinder, pressing the upper and lower end covers and the cylinder, putting workpieces into a brazing furnace, heating the workpieces by the brazing furnace, welding brazing rings placed in advance, respectively brazing and welding an air inlet pipe and an air outlet pipe by flame, and finally performing processes such as water detection to obtain a finished product.
However, the brazing furnace brazing process is adopted for the two types of liquid accumulator shell parts, brazing is affected by high-frequency welding pipes and is scratched, the chamfering state, bruising, deformation and the like and leakage easily occurs, the problem that micro leakage at the high-frequency welding bead part of the traditional liquid accumulator shell is difficult to find is always solved, and after the three-section type liquid accumulator is subjected to furnace welding, the air inlet pipe and the air outlet pipe are required to be subjected to flame brazing welding on the cylinder, after welding, foreign matters such as oxides and scaling powder are easily attached to the finished liquid accumulator product, and the foreign matters such as the oxides and the scaling powder are easily caused to fall into the cylinder, so that the filter screen inside the cylinder is blocked, the service performance of the liquid accumulator is further influenced, the quality of the liquid accumulator is reduced, and the reject ratio of products is greatly improved.
Therefore, how to provide a composite processing technology for a liquid reservoir, which can improve the quality of the liquid reservoir and reduce the reject ratio of the product, is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a composite processing technology for a liquid storage device, which can improve the quality of the liquid storage device and reduce the reject ratio of products.
In order to achieve the purpose, the invention adopts the following technical scheme:
a composite processing technology of a liquid storage device comprises the following steps:
step S1: prefabricating an air inlet pipe ring gasket and an air outlet pipe connecting plate;
step S2: pressing an air inlet pipe ring gasket and an air inlet pipe and sleeving a welding ring to form an air inlet pipe assembly, pressing an air outlet pipe connecting plate and an air outlet pipe and sleeving the welding ring to form an air outlet pipe assembly, then putting the air inlet pipe assembly and the air outlet pipe assembly into a high-frequency welding furnace for welding, or adopting flame brazing for the air inlet pipe assembly and the air outlet pipe assembly, grinding and cleaning after flame welding, so that the surfaces of the air inlet pipe assembly and the air outlet pipe assembly are free of oxides and scaling powder foreign matters;
step S3: cutting off the steel pipe and chamfering to form a cylinder, spinning an air outlet connector end at one end of the cylinder by adopting a spinning necking process, pressing a fixing plate and a filter screen into the cylinder, and spinning an air inlet connector end at the other end of the cylinder by adopting a spinning necking process;
step S4: inserting the air inlet pipe assembly in the step S2 into the air inlet connector end, inserting the air outlet pipe assembly into the air outlet connector end and fixedly penetrating the air outlet pipe assembly on the fixing plate, and then hermetically connecting the air inlet pipe assembly and the air inlet connector end, wherein the air outlet pipe assembly and the air outlet connector end are respectively connected through pressure resistance welding to form a liquid reservoir;
step S5: and (5) performing water detection on the liquid storage device in the step S4 to obtain a qualified finished product of the liquid storage device.
According to the technical scheme, compared with the prior art, the composite processing technology of the liquid reservoir is provided, in the technology, the air inlet pipe and the air inlet pipe ring gasket are welded through brazing, the air outlet pipe and the air outlet pipe connecting plate are welded through brazing, then the air inlet pipe ring gasket is welded at the air inlet connector end of the cylinder body through resistance welding, and the air outlet pipe connecting plate is welded at the air outlet connector end through resistance welding. Therefore, the process adopts a composite process of brazing and resistance welding, can avoid the problem that the use of the liquid storage device is influenced because foreign matters such as brazing filler metal, scaling powder, oxides and the like easily enter the cylinder body because the air inlet pipe, the air outlet pipe and the cylinder body are directly brazed and welded in the traditional welding process, can improve the quality of the liquid storage device and reduce the reject ratio of products; and the cylinder body is integrated instead of the traditional two-section type and three-section type, so that the manufacturing process of the cylinder body is greatly simplified, the manufacturing material of the cylinder body is greatly saved, and the processing cost of the liquid accumulator is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flow structure diagram of a composite processing technology of a liquid reservoir provided by the invention.
Fig. 2 is a schematic diagram of a reservoir sample according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the embodiment of the invention discloses a composite processing technology of a liquid accumulator, which comprises the following steps:
step S1: prefabricating an air inlet pipe ring gasket 1 and an air outlet pipe connecting plate 2;
step S2: pressing an air inlet pipe ring gasket 1 and an air inlet pipe 3 and sleeving a welding ring to form an air inlet pipe assembly, pressing an air outlet pipe connecting plate 2 and an air outlet pipe 4 and sleeving the welding ring to form an air outlet pipe assembly, then putting the air inlet pipe assembly and the air outlet pipe assembly into a high-frequency welding furnace for welding, or welding the air inlet pipe assembly and the air outlet pipe assembly by adopting flame, grinding and cleaning after welding the flame, so that the surfaces of the air inlet pipe assembly and the air outlet pipe assembly are free of oxides and scaling powder foreign matters;
step S3: cutting off the steel pipe and chamfering to form a cylinder body 5, then spinning out an air outlet connector end 501 at one end of the cylinder body 5 by adopting a spinning necking process, then pressing a fixing plate 6 and a filter screen 7 into the cylinder body 5, and spinning out an air inlet connector end 502 at the other end of the cylinder body 5 by adopting a spinning necking process;
step S4: inserting the air inlet pipe assembly in the step S2 into the air inlet connector end 502, inserting the air outlet pipe assembly into the air outlet connector end 501 and fixedly penetrating the air inlet pipe assembly on the fixing plate 6, and then hermetically connecting the air inlet pipe assembly with the air inlet connector end 502, the air outlet pipe assembly and the air outlet connector end 501 by pressure resistance welding to form a liquid reservoir;
step S5: and (5) performing water detection on the liquid storage device in the step S4 to obtain a qualified finished product of the liquid storage device.
In the process, the air inlet pipe and the air inlet pipe ring gasket are welded by brazing, the air outlet pipe and the air outlet pipe connecting plate are welded by brazing, then the air inlet pipe ring gasket is welded at the air inlet connector end of the cylinder body by resistance welding, and the air outlet pipe connecting plate is welded at the air outlet connector end by resistance welding. Therefore, the process adopts a composite process of brazing and resistance welding, can avoid the problem that the use of the liquid storage device is influenced because foreign matters such as brazing filler metal, scaling powder, oxides and the like easily enter the cylinder body because the air inlet pipe, the air outlet pipe and the cylinder body are directly brazed and welded in the traditional welding process, can improve the quality of the liquid storage device and reduce the reject ratio of products; compared with brazing, the electric resistance welding has the advantages of high strength and air tightness, small heat affected area, no need of consuming other welding materials, no influence of flame brazing welding air pressure, brazing defects (sand holes, shrinkage porosity, cracks) and the like, so that the welding process of the inlet and outlet pipes, the outlet pipe and the cylinder is safer and more efficient, and the welding quality is higher. Meanwhile, the cylinder body is integrated instead of the traditional two-section type and three-section type, so that the manufacturing process of the cylinder body is greatly simplified, the manufacturing material of the cylinder body is greatly saved, and the processing cost of the liquid accumulator is reduced.
Such as the advantages of the process in terms of processing cost:
the conventional furnace welding liquid accumulator takes the common model phi 76 as an example, the furnace welding cost of the conventional liquid accumulator is generally about 1.5 yuan, and the furnace welding cost of the liquid accumulator needing matching and matching is high due to the large difference of the wall thickness and the length of the liquid accumulator, but the process liquid accumulator only needs to perform furnace welding on the gas inlet pipe assembly and the gas outlet pipe assembly by adopting the furnace welding process, and the weight and the proportion of the gas inlet pipe assembly and the gas outlet pipe assembly are about 15 percent of the total weight of the liquid accumulator, so the gas inlet pipe assembly and the gas outlet pipe assembly can be intensively placed for centralized brazing, the brazing efficiency is high, the furnace welding cost can be reduced by about 75 percent, and the process of the invention is more energy-saving and lower-carbon compared with the conventional furnace welding and has the advantage of low cost.
The process has the advantages in terms of material cost:
the cylinder in the traditional two-section liquid storage device and the traditional three-section liquid storage device is processed in an integrated mode, so that the material consumption of the cylinder is further saved, the inlet pipe assembly and the outlet pipe assembly of the liquid storage device are welded through pressure resistors, and brazing welding materials used for brazing the shell and the end cover of the liquid storage device in a transmission furnace welding mode are omitted, so that the process has the advantage of saving materials compared with the traditional furnace welding mode.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. The composite processing technology of the liquid accumulator is characterized by comprising the following steps of:
step S1: prefabricating an air inlet pipe ring gasket (1) and an air outlet pipe connecting plate (2);
step S2: pressing an air inlet pipe ring pad (1) and an air inlet pipe (3) and sleeving a welding ring to form an air inlet pipe assembly, pressing an air outlet pipe connecting plate (2) and an air outlet pipe (4) and sleeving the welding ring to form an air outlet pipe assembly, then putting the air inlet pipe assembly and the air outlet pipe assembly into a high-frequency welding furnace for welding, or welding the air inlet pipe assembly and the air outlet pipe assembly by adopting flame, and grinding and cleaning after flame welding to ensure that the surfaces of the air inlet pipe assembly and the air outlet pipe assembly are free of oxides and scaling powder foreign matters;
step S3: cutting off the steel pipe and chamfering to form a cylinder body (5), then spirally extruding an air outlet connector end (501) at one end of the cylinder body (5) by adopting a spinning necking process, then pressing a fixing plate (6) and a filter screen (7) into the cylinder body (5), and further spirally extruding an air inlet connector end (502) at the other end of the cylinder body (5) by adopting a spinning necking process;
step S4: inserting the air inlet pipe assembly in the step S2 into the air inlet connector end (502), inserting the air outlet pipe assembly into the air outlet connector end (501) and fixedly penetrating the air outlet connector end on the fixing plate (6), and then, hermetically connecting the air inlet pipe assembly with the air inlet connector end (502), and respectively connecting the air outlet pipe assembly with the air outlet connector end (501) through pressure resistance welding to form a liquid reservoir;
step S5: and (5) performing water detection on the liquid storage device in the step S4 to obtain a qualified finished product of the liquid storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111269954.9A CN114012359A (en) | 2021-10-29 | 2021-10-29 | Composite processing technology of liquid accumulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111269954.9A CN114012359A (en) | 2021-10-29 | 2021-10-29 | Composite processing technology of liquid accumulator |
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| CN114012359A true CN114012359A (en) | 2022-02-08 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204187899U (en) * | 2014-10-10 | 2015-03-04 | 上海日立电器有限公司 | A kind of compressor liquid storage device |
| CN104864642A (en) * | 2014-02-26 | 2015-08-26 | 南昌中昊机械有限公司 | Accumulator and manufacturing method thereof |
| CN204648773U (en) * | 2015-04-14 | 2015-09-16 | 芜湖三花制冷配件有限公司 | A kind of rotary extrusion type spinning fluid reservoir |
| KR101608493B1 (en) * | 2015-08-28 | 2016-04-01 | 주식회사 코스 | Tube connection structure of the accumulator |
| CN205227948U (en) * | 2015-12-10 | 2016-05-11 | 斯培淦 | Welded structure of pipe fitting and casing |
| CN210441486U (en) * | 2019-07-30 | 2020-05-01 | 东光县鑫圣电子有限公司 | Double-tube integrated stretching liquid storage device |
| CN111473552A (en) * | 2020-05-28 | 2020-07-31 | 绍兴科辉电器有限公司 | Novel full-resistance liquid accumulator and manufacturing method thereof |
| CN212657920U (en) * | 2020-05-21 | 2021-03-05 | 大典五金制品（九江）有限公司 | Liquid storage device of compressor |
-
2021
- 2021-10-29 CN CN202111269954.9A patent/CN114012359A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864642A (en) * | 2014-02-26 | 2015-08-26 | 南昌中昊机械有限公司 | Accumulator and manufacturing method thereof |
| CN204187899U (en) * | 2014-10-10 | 2015-03-04 | 上海日立电器有限公司 | A kind of compressor liquid storage device |
| CN204648773U (en) * | 2015-04-14 | 2015-09-16 | 芜湖三花制冷配件有限公司 | A kind of rotary extrusion type spinning fluid reservoir |
| KR101608493B1 (en) * | 2015-08-28 | 2016-04-01 | 주식회사 코스 | Tube connection structure of the accumulator |
| CN205227948U (en) * | 2015-12-10 | 2016-05-11 | 斯培淦 | Welded structure of pipe fitting and casing |
| CN210441486U (en) * | 2019-07-30 | 2020-05-01 | 东光县鑫圣电子有限公司 | Double-tube integrated stretching liquid storage device |
| CN212657920U (en) * | 2020-05-21 | 2021-03-05 | 大典五金制品（九江）有限公司 | Liquid storage device of compressor |
| CN111473552A (en) * | 2020-05-28 | 2020-07-31 | 绍兴科辉电器有限公司 | Novel full-resistance liquid accumulator and manufacturing method thereof |
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