CN220838347U - Automatic control device for internal inflation of automatic pipeline argon arc welding - Google Patents
Automatic control device for internal inflation of automatic pipeline argon arc welding Download PDFInfo
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- CN220838347U CN220838347U CN202322013250.6U CN202322013250U CN220838347U CN 220838347 U CN220838347 U CN 220838347U CN 202322013250 U CN202322013250 U CN 202322013250U CN 220838347 U CN220838347 U CN 220838347U
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- pipeline
- buffer tank
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- valve
- pressure gauge
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- 238000003466 welding Methods 0.000 title claims abstract description 67
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052786 argon Inorganic materials 0.000 title claims abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 230000001681 protective effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the field of automatic welding of clean pipelines, and particularly discloses an automatic control device for automatic pipeline argon arc welding internal inflation, which comprises a filter, a main valve, a pressure gauge, a buffer tank, a micro-pressure relief valve, a manual flowmeter and an air inlet pipe; the filter is connected with the filter through a pipeline, the main valve is connected with the buffer tank through a pipeline, a pressure gauge is arranged on the pipeline between the main valve and the buffer tank, the buffer tank is connected with two manual flow meters through a pipeline, the two manual flow meters respectively practice out two circuits, the first manual flow meter is connected with the first branch valve through a pipeline, the first branch valve is connected with the pressure reducing valve and the buffer tank through a pipeline, the second pressure gauge is connected with the workpiece air outlet pipe through a pipeline, and the second manual flow meter is connected with the second branch valve through a pipeline and then is connected with an air outlet pipeline of the welding machine; the utility model realizes the sub-regulation of the inner diameter protection gas in the automatic welding process of the pipeline, reduces manual operation and reduces equipment cost.
Description
Technical Field
The utility model relates to the field of automatic welding of clean pipelines, in particular to an automatic control device for internal inflation of an automatic pipeline argon arc welding.
Background
With the rapid development of the semiconductor, photovoltaic and pharmaceutical industries, the welding demand of pipelines is rapidly increased, the requirements on welding quality and welding seams of pipeline welding are higher and higher, particularly the requirements on the reliability, cleanliness and the like of the welding seams of the pipelines are higher and higher when the special gases are applied in the field of semiconductor photovoltaics, the requirements cannot be met at all by the traditional manual welding, and therefore the automatic pipeline welding technology is widely applied in the field of semiconductor photovoltaics.
With the great development of the pipeline welding technology, the pipeline automatic welding machine has wider application, and the automatic welding can effectively replace manual welding, thereby reducing the dependence on the welder operation technology. The welding quality is prevented from being influenced by various human factors such as physical conditions, working emotion, proficiency and the like during manual welding, the consistency and reliability of welding are ensured, and the trouble of insufficient number of welders of partial enterprises is effectively solved. The automatic welding has the advantages of high reliability, low personnel dependence and high welding quality, and particularly has absolute advantages for welding small-caliber pipelines.
The automatic welding has very high pressure requirement on the gas protection of the inner diameter of the workpiece, the welding seam bursts in the welding process due to the too high pressure, and the defects of concave seaming of the welding seam and the like due to the too low pressure, so that welding failure and scrapping of the workpiece are caused due to unstable pressure of the gas protection of the inner diameter of the workpiece in the actual welding process. At present, other control functions of inner diameter protection do not exist in China, the problem of insensitive reaction caused by the reaction time of people and the length of a micro differential pressure meter connecting pipeline exists in an operation mode of purely manually adjusting the inner diameter protection gas pressure, the problem of inner diameter protection gas pressure adjustment delay exists basically, welding failure caused by the problem of unstable inner diameter protection gas pressure can not be avoided even by workers with abundant experience, the efficiency is low, and the experience requirement of a welder is high, so that the popularization and the application of an automatic welding technology are not facilitated.
Disclosure of utility model
The utility model aims to provide an automatic control device for internal inflation of automatic pipeline argon arc welding, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic pipeline argon arc welding internal inflation automatic control device comprises a filter, a main valve, a first pressure gauge, a first-stage buffer tank, a first-stage micro-pressure reducing valve, a first manual flow meter, an air inlet pipe and a box body, wherein the box body is of a closed structure, and the filter, the main valve, the first pressure gauge, the first-stage buffer tank, the first-stage micro-pressure reducing valve, the first manual flow meter and the air inlet pipe are arranged in the box body; one end of the filter is connected with the air inlet pipe, the other end of the filter is connected with the main valve through a pipeline, and impurity pollutants in the process of installing a pipeline and the process of transporting can be prevented from entering through the set filter, so that the stability of welding and equipment is influenced; the main valve is connected with the first-stage buffer tank through a pipeline, the first-stage buffer tank is arranged to ensure the stability of the inlet air flow and the pressure, and a first pressure gauge is arranged between the main valve and the first-stage buffer tank through a pipeline; the first-stage buffer tank is connected with the first manual flow meter and the second manual flow meter through pipelines, and the manual flow meter only needs to adjust the flow when being used for the first time, and does not need to be adjusted when being used in the later period; the first manual flowmeter is connected with the first branch valve through a pipeline, the first branch valve is connected with the first-stage micro-pressure reducing valve through a pipeline, the high-purity argon is reduced to 1.45-1.55 kPa after passing through the first-stage micro-pressure reducing valve, the first-stage micro-pressure reducing valve is connected with the second-stage buffer tank through a pipeline, the second-stage buffer tank is connected with the second-stage micro-pressure reducing valve through a pipeline, the reduced high-purity argon is reduced to 1.0-1.2 kPA after passing through the second-stage micro-pressure reducing valve, the second-stage micro-pressure reducing valve is connected with the third-stage buffer tank through a pipeline, and in order to avoid unstable pressure reduction caused by terminal pressure fluctuation, the third-stage buffer tank is connected with a workpiece air outlet pipe through a pipeline, and a second pressure gauge is arranged in a pipeline between the workpiece air outlet pipe and the third-stage buffer tank; the second manual flowmeter is connected with a second branch valve through a pipeline, the second branch valve is connected with a welder air outlet pipe through a pipeline, the workpiece air outlet pipe is used for regulating pressure of protective gas of the inner diameter of a workpiece, and the welder air outlet pipe provides high-purity argon for an automatic welder.
Preferably, the box is made of stainless steel, the air inlet pipe penetrates out from one side of the box to be connected with an external argon hose, and the workpiece air outlet pipe and the welding machine air outlet pipe penetrate out from the other side of the box to be connected with a welding machine workpiece and a welding machine.
Preferably, the rod bodies in the main valve, the first branch valve and the second branch valve penetrate through the box body and are arranged at the top of the outer part of the box body.
Preferably, the dial structures of the first pressure gauge and the second pressure gauge are connected with the box body and are displayed outside the top of the box body.
Preferably, the second pressure gauge is a micro differential pressure gauge, one end of the second pressure gauge is connected with a pipeline between the three-stage buffer tank and the workpiece air outlet pipe, and the other end of the second pressure gauge is communicated with the atmosphere, so that the pressure of the protective gas introduced into the inner cavity of the workpiece relative to the atmosphere can be monitored in real time.
Preferably, the pressure of the high-purity argon entering the air inlet pipe is 0.4-0.5 Mpa.
Preferably, the inner diameter of the hose between the workpiece air outlet pipe and the workpiece is 4-6 mm, and the length of the hose is not more than 600mm, otherwise, the detection precision of the second pressure gauge 31 is affected.
Compared with the prior art, the utility model has the beneficial effects that: the inner diameter protective gas pressure adjustment in the automatic pipeline welding process is completely and automatically realized, the full-automatic function of automatic welding is further realized, the experience dependence of welding workers is further reduced, the unstable factors in the automatic welding process are reduced, the success rate of automatic welding is improved, the welding seam quality of the automatic pipeline welding is ensured, the refreshing of the automatic welding efficiency is realized, the manual operation in the welding process is reduced, and the equipment cost of automatic pressure adjustment of the inner diameter protective gas of automatic welding equipment is reduced.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is an overall appearance of the present utility model;
FIG. 3 is an overall flow chart of the present utility model;
Reference numerals in the drawings: 1. a filter; 2. a main valve; 21. a first bypass valve; 22. a second bypass valve; 3. a first pressure gauge; 31. a second pressure gauge; 4. a first-stage buffer tank; 41. a second-stage buffer tank; 42. a three-stage buffer tank; 5. a primary micropressure reducing valve; 51. a second-stage micro-pressure reducing valve; 6. a first manual flow meter; 61. a second manual flow meter; 7. an air inlet pipe; 71. a workpiece air outlet pipe; 72. an air outlet pipe of the welding machine; 8. a box body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-3, the present utility model provides a technical solution: the automatic pipeline argon arc welding internal inflation automatic control device comprises a filter 1, a main valve 2, a first pressure gauge 3, a first-stage buffer tank 4, a first-stage micro-pressure reducing valve 5, a first manual flowmeter 6, an air inlet pipe 7 and a box body 8, wherein the box body 8 is of a closed structure, and the filter 1, the main valve 2, the first pressure gauge 3, the first-stage buffer tank 4, the first-stage micro-pressure reducing valve 5, the first manual flowmeter 6 and the air inlet pipe 7 are arranged in the box body 8 in a centralized manner; one end of the filter 1 is connected with the air inlet pipe 7, the other end of the filter is connected with the main valve 2 through a pipeline, and impurity pollutants can be prevented from entering in the process of installing a pipeline and in the process of transporting the pipeline through the filter 1, so that the stability of welding and equipment is influenced; the main valve 2 is connected with the first-stage buffer tank 4 through a pipeline, the first-stage buffer tank 4 is arranged to ensure the stability of the inlet air flow and the pressure, and a first pressure gauge 3 is arranged between the main valve 2 and the first-stage buffer tank 4 through a pipeline; the first-stage buffer tank 4 is connected with a first manual flowmeter 6 and a second manual flowmeter 61 through pipelines, and the manual flowmeter only needs to be used for the first time, and the flow is regulated, so that the later use is not required to be regulated; the first manual flowmeter 6 is connected with the first branch valve 21 through a pipeline, the first branch valve 21 is connected with the first-stage micro-pressure reducing valve 5 through a pipeline, high-purity argon is reduced to 1.45-1.55 kPa after passing through the first-stage micro-pressure reducing valve 5, the first-stage micro-pressure reducing valve 5 is connected with the second-stage buffer tank 41 through a pipeline, the second-stage buffer tank 41 is connected with the second-stage micro-pressure reducing valve 51 through a pipeline, the reduced high-purity argon is reduced to 1.0-1.2 kPA after passing through the second-stage micro-pressure reducing valve 51, the second-stage micro-pressure reducing valve 51 is connected with the third-stage buffer tank 42 through a pipeline, the third-stage buffer tank 42 is connected with the workpiece air outlet pipe 71 through a pipeline in order to avoid unstable pressure reduction caused by terminal pressure fluctuation, and the pipeline between the workpiece air outlet pipe 71 and the third-stage buffer tank 42 is provided with the second pressure gauge 31; the second manual flowmeter 61 is connected with the second branch valve 22 through a pipeline, the second branch valve 22 is connected with the welder air outlet pipe 72 through a pipeline, the workpiece air outlet pipe 71 is used for regulating the pressure of the workpiece inner diameter protective gas, and the welder air outlet pipe 72 provides high-purity argon for the automatic welder.
Further, the box body 8 is made of stainless steel, the air inlet pipe 7 penetrates out from one side of the box body 8 to be connected with an external argon hose, and the workpiece air outlet pipe 71 and the welding machine air outlet pipe 72 penetrate out from the other side of the box body 8 to be connected with a welding machine workpiece and a welding machine.
Further, the rods of the main valve 2, the first branch valve 21 and the second branch valve 22 penetrate out of the box body 8 and are arranged at the top outside the box body 8.
Further, the dial structures of the first pressure gauge 3 and the second pressure gauge 31 are connected with the box 8, and are displayed outside the top of the box 8.
Further, the second pressure gauge 31 is a micro differential pressure gauge, one end of the second pressure gauge 31 is connected to a pipeline between the three-stage buffer tank 42 and the workpiece air outlet pipe 71, and the other end of the second pressure gauge is communicated with the atmosphere, so that the pressure of the protective gas introduced into the inner cavity of the workpiece relative to the atmosphere can be monitored in real time.
Further, the pressure of the high-purity argon entering the air inlet pipe 7 is 0.4-0.5 Mpa.
Further, the inner diameter of the hose between the workpiece air outlet pipe 71 and the workpiece is 4-6 mm, and the length of the hose is not more than 600mm, otherwise, the detection accuracy of the second pressure gauge 31 will be affected.
Working principle: the filter 1 that sets up avoids having impurity pollutant to go into and then influence welding and equipment stability in installation pipeline in-process and transportation, control the holistic switch that admits air of device through the master valve 2 that sets up, the stability of air inflow and pressure has been guaranteed through the first buffer tank 4 that sets up, it is convenient to control to show real-time pressure side through the first manometer 3 that sets up, control from the gas that first buffer tank 4 was followed by branch road through two flowmeter that set up, control two way gas switch through first branch road valve 21 and second branch road valve 22 that set up, decompress the gas in the entering work piece through the first minute-pressure relief valve 5, afterwards stabilize the processing through second buffer tank 41, get into second minute-pressure relief valve 51 and decompress once more, the rethread tertiary buffer tank 42 is stabilized the gas in the entering work piece, avoid the decompression unstability that the terminal pressure wave was pressed and is led to the fact, carry out pressure display through the work piece outlet duct 71 that sets up and outlet duct 72, the connection of convenient corresponding hose, seal protection is carried out to the device whole through setting up box 8.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An automatic control device for automatic inflation in argon arc welding of an automatic pipeline is characterized in that: the novel air inlet device comprises a filter (1), a main valve (2), a first pressure gauge (3), a first-stage buffer tank (4), a first-stage micro-pressure reducing valve (5), a first manual flow meter (6), an air inlet pipe (7) and a box body (8), wherein the box body (8) is of a closed structure, and the filter (1), the main valve (2), the first pressure gauge (3), the first-stage buffer tank (4), the first-stage micro-pressure reducing valve (5), the first manual flow meter (6) and the air inlet pipe (7) are arranged in the box body (8); one end of the filter (1) is connected with an air inlet pipe (7), the other end of the filter is connected with a main valve (2) through a pipeline, the main valve (2) is connected with a primary buffer tank (4) through a pipeline, and a first pressure gauge (3) is arranged between the main valve (2) and the primary buffer tank (4) through a pipeline; the first-stage buffer tank (4) is connected with a first manual flowmeter (6) and a second manual flowmeter (61) through pipelines; the first manual flowmeter (6) is connected with the first branch valve (21) through a pipeline, the first branch valve (21) is connected with the first-stage micro-pressure reducing valve (5) through a pipeline, the first-stage micro-pressure reducing valve (5) is connected with the second-stage buffer tank (41) through a pipeline, the second-stage buffer tank (41) is connected with the second-stage micro-pressure reducing valve (51) through a pipeline, the second-stage micro-pressure reducing valve (51) is connected with the third-stage buffer tank (42) through a pipeline, the third-stage buffer tank (42) is connected with the workpiece air outlet pipe (71) through a pipeline, and a second pressure gauge (31) is arranged on the pipeline between the workpiece air outlet pipe (71) and the third-stage buffer tank (42); the second manual flowmeter (61) is connected with the second branch valve (22) through a pipeline, and the second branch valve (22) is connected with an air outlet pipe (72) of the welding machine through a pipeline.
2. The automatic control device for the internal inflation of the automatic pipeline argon arc welding according to claim 1, wherein: the box body (8) is made of stainless steel, the air inlet pipe (7) penetrates out from one side of the box body (8) to be connected with an external argon hose, and the workpiece air outlet pipe (71) and the welding machine air outlet pipe (72) penetrate out from the other side of the box body (8) to be connected with a welding machine workpiece and a welding machine.
3. The automatic control device for the internal inflation of the automatic pipeline argon arc welding according to claim 1, wherein: the rod bodies in the main valve (2), the first branch valve (21) and the second branch valve (22) penetrate out of the box body (8) and are arranged at the top outside the box body (8).
4. The automatic control device for the internal inflation of the automatic pipeline argon arc welding according to claim 1, wherein: the dial structures of the first pressure gauge (3) and the second pressure gauge (31) are connected with the box body (8) and are displayed outside the top of the box body (8).
5. The automatic control device for the internal inflation of the automatic pipeline argon arc welding according to claim 1, wherein: the second pressure gauge (31) is a micro differential pressure gauge, one end of the second pressure gauge (31) is connected with a pipeline between the three-stage buffer tank (42) and the workpiece air outlet pipe (71), and the other end of the second pressure gauge is communicated with the atmosphere.
6. The automatic control device for the internal inflation of the automatic pipeline argon arc welding according to claim 1, wherein: the pressure of the high-purity argon entering the air inlet pipe (7) is 0.4-0.5 Mpa.
7. The automatic control device for the internal inflation of the automatic pipeline argon arc welding according to claim 1, wherein: the inner diameter of a hose between the workpiece air outlet pipe (71) and the workpiece is 4-6 mm, and the length of the hose is not more than 600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322013250.6U CN220838347U (en) | 2023-07-27 | 2023-07-27 | Automatic control device for internal inflation of automatic pipeline argon arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322013250.6U CN220838347U (en) | 2023-07-27 | 2023-07-27 | Automatic control device for internal inflation of automatic pipeline argon arc welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220838347U true CN220838347U (en) | 2024-04-26 |
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ID=90788388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322013250.6U Active CN220838347U (en) | 2023-07-27 | 2023-07-27 | Automatic control device for internal inflation of automatic pipeline argon arc welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220838347U (en) |
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2023
- 2023-07-27 CN CN202322013250.6U patent/CN220838347U/en active Active
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