CN211759091U - Linear thermal contraction effect energy-gathering plasma arc welding - Google Patents
Linear thermal contraction effect energy-gathering plasma arc welding Download PDFInfo
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- CN211759091U CN211759091U CN201921953629.2U CN201921953629U CN211759091U CN 211759091 U CN211759091 U CN 211759091U CN 201921953629 U CN201921953629 U CN 201921953629U CN 211759091 U CN211759091 U CN 211759091U
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- 238000003466 welding Methods 0.000 title claims abstract description 15
- 230000001595 contractor effect Effects 0.000 title claims description 14
- 230000006835 compression Effects 0.000 claims abstract description 80
- 238000007906 compression Methods 0.000 claims abstract description 80
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 238000010891 electric arc Methods 0.000 claims abstract description 36
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010937 tungsten Substances 0.000 claims abstract description 22
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 22
- 230000007704 transition Effects 0.000 claims abstract description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 8
- 241001330002 Bambuseae Species 0.000 claims abstract description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 8
- 239000011425 bamboo Substances 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000002826 coolant Substances 0.000 claims abstract 4
- 239000007788 liquid Substances 0.000 claims abstract 4
- 238000004021 metal welding Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000010953 base metal Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000000110 cooling liquid Substances 0.000 description 7
- 230000008602 contraction Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses the device discloses linear heat shrinkage effect gathers can plasma arc welding, it is main including compression nozzle (4), coolant liquid (5), linear cooling wall (13), tungsten utmost point (3), install in compression nozzle section of thick bamboo (2) bottom compression nozzle (4), be provided with linear cooling wall (13) in the inside annular slotted hole of compression nozzle (4), inside through having coolant liquid (5) of linear cooling wall (13), central point puts in compression nozzle section of thick bamboo (2) is installed in tungsten utmost point (3), tungsten utmost point (3) mounted position makes its bottom position and compression nozzle (4) horizontal plane have a certain distance, useful part: the electric arc is separated layer by layer, separation control is carried out, energy linear concentrated gathering is carried out on the electric arc through the linear cooling wall with the parabolic structure, then mechanical compression is carried out on the electric arc which is stably gathered through mechanical transition of the circular arc transition structure, energy is gathered again, stable and high energy-gathering energy column electric arc is finally formed, and the plasma welding thermal efficiency is effectively improved.
Description
Technical Field
The utility model belongs to the welding set field, concretely relates to linear thermal contraction effect gathers can plasma arc welding.
Background
In the field of welding, forced "compression" of the arc column of the free arc is used, so that the energy is more concentrated and the gas in the arc column is fully ionized, such an arc being called a plasma arc. Plasma arcs are also known as compression arcs. It is different from general electric arc, and the electric arc generated by general electric arc welding is also called free electric arc because it is not restrained by external world. Generally, the temperature of the arc column is increased by increasing the arc power, but the temperature of the free arc is not high, and is generally only about 6000 to 8000K on average. The method of compressing the electric arc that is widely used at present is to retract the tungsten electrode into the nozzle, and the water-cooling nozzle is filled with ion gas with certain pressure and flow, and the electric arc is forced to pass through the nozzle channel, so as to form plasma arc with high temperature and high energy density, wherein three kinds of compression effects: 1. the basic effects of the three effects on the energy density of the electric arc are clear, but the further breakthrough is needed to be made by how to standardize and utilize the three effects, namely how to arrange the structural relationship and ensure the concentration of the electric arc with higher energy density.
Disclosure of Invention
Not enough more than to, the utility model discloses the device provides a linear thermal contraction effect gathers can plasma arc welding.
The utility model discloses the technical scheme that its technical problem was solved to the device adopted is: the whole device mainly comprises a compression nozzle (4), cooling liquid (5), a linear cooling wall (13) and a tungsten electrode (3), wherein the compression nozzle (4) is arranged at the bottom of a compression nozzle cylinder (2), the linear cooling wall (13) is arranged in an annular groove hole in the compression nozzle (4), the cooling liquid (5) passes through the linear cooling wall (13), the tungsten electrode (3) is arranged at the central position in the compression nozzle cylinder (2), and the bottom end of the tungsten electrode (3) is arranged at a certain distance from the horizontal plane of the compression nozzle (4); the compression nozzle barrel (2) is of an arc spherical shell structure, a through hole is formed in the center of the bottom end, the through hole is connected with the inner wall face of the compression nozzle barrel (2) and is arranged in a mechanical transition mode (15) of an arc transition structure, a linear cooling wall (13) arranged in an inner annular groove hole of the compression nozzle (4) is of a parabolic structure integrally, a linear cooling domain (12) is formed between the linear cooling wall (13) and the inner wall face of the compression nozzle (4), the integral parabolic structure of the linear cooling wall (13) is consistent with a profile curve (14), and the profile curve (14) is I-I according to a plasma arc energy formula Q2Rt shows that the tungsten electrode (3) is installed in a position such that the bottom end thereof is horizontal to the compression nozzle (4)The surface has a certain distance, the distance between the arc and the arc forms a first section of plasma arc (7), the arc and a linear cooling domain (12) form a contraction section of plasma arc (8) in the corresponding vertical distance, the arc forms a mechanical compression section of plasma arc (9) at the through hole of the compression nozzle (4), the arc forms a high energy-gathering stable final section of plasma arc (6) after being separated from the compression nozzle (4), the protective cover (1) is sleeved and installed at a certain distance from the outer wall of the compression nozzle barrel (2), and the bottom end of the final section of plasma arc (6) is contacted with a formed parent metal welding seam (11).
Technical content description and its advantageous effects.
Description of technical contents 1: according to the technical content, the linear thermal contraction effect energy-gathering plasma arc welding mainly comprises a compression nozzle (4), cooling liquid (5), a linear cooling wall (13) and a tungsten electrode (3), wherein the compression nozzle (4) is installed at the bottom of a compression nozzle barrel (2), the linear cooling wall (13) is arranged in an annular groove hole in the compression nozzle (4), the cooling liquid (5) passes through the linear cooling wall (13), the tungsten electrode (3) is installed at the central position in the compression nozzle barrel (2), and the bottom end position of the tungsten electrode (3) is away from the horizontal plane of the compression nozzle (4); the compression nozzle barrel (2) is in an arc spherical shell structure, a through hole is formed in the center of the bottom end, the through hole is connected with the inner wall surface of the compression nozzle barrel (2) and is arranged to be a mechanical transition (15) of an arc transition structure, the bottom end of the tungsten electrode (3) is arranged at a certain distance from the horizontal plane of the compression nozzle (4) at a position, the distance from the electric arc to the electric arc forms a first section of plasma arc (7), a contraction section of plasma arc (8) is formed in the vertical distance corresponding to the electric arc and a linear cooling region (12), the electric arc forms a mechanical compression section of plasma arc (9) at the through hole position of the compression nozzle (4), the electric arc forms a final section of high energy accumulation stability (6) after being separated from the compression nozzle (4), so that the electric arc released by the tungsten electrode (3) is separated layer by layer, separation control is realized, and, the stable aggregation of the arc energy is ensured, and then the stable aggregated arc is mechanically compressed through the mechanical transition (15) of the arc transition structure arranged at the connecting position of the through hole of the compression nozzle barrel (2) and the inner wall surface of the compression nozzle barrel (2), the energy is aggregated again, and finally the stable and high energy-gathering energy column arc is formed.
Description of technical contents 2: as described in the technical content, the linear cooling wall (13) arranged in the annular groove hole in the compression nozzle (4) is of a parabolic structure as a whole, a linear cooling area (12) is formed between the linear cooling wall (13) and the inner wall surface of the compression nozzle (4), the integral parabolic structure of the linear cooling wall (13) is consistent with a profile curve (14), and the profile curve (14) is consistent with an I (integer) according to a plasma arc energy formula Q2Rt gives the energy curve Q ═ I that ensures linear cooling performance in the linear cooling region and arc energy concentration2Rt (current I as the main factor) is consistent, and linear accumulation of arc energy is guaranteed.
The utility model discloses the technical scheme who provides of device is useful: the utility model provides a linear thermal contraction effect gathers can plasma arc welding, structural position arranges the installation in through the technical content, separate electric arc layer upon layer, separation control, linear stave that cools off through parabola structure carries out the linear concentrated gathering of energy to electric arc, guarantee the stable gathering of electric arc energy, the mechanical transition of the circular arc transition structure that the through-hole of rethread compression nozzle section of thick bamboo and compression nozzle section of thick bamboo internal face connected position set up, carry out mechanical compression to the electric arc of stabilizing the gathering, the energy is gathered once more, finally form stably, high energy column electric arc that gathers, effectively promote plasma welding thermal efficiency.
Drawings
The device of the present invention will be further explained with reference to the drawings and the embodiments.
FIG. 1 is a front cross-sectional view of a linear thermal contraction effect energy concentrating plasma arc weld of the present invention;
FIG. 2 is an enlarged view of a portion of a linear thermal contraction effect energy concentrating plasma arc weld of the present invention;
fig. 3 is a schematic diagram of a linear thermal contraction effect energy-gathered plasma arc welding of the present invention.
1. The device comprises a protective cover, 2 parts of a compression nozzle barrel, 3 parts of a tungsten electrode, 4 parts of a compression nozzle, 5 parts of cooling liquid, 6 parts of a final section plasma arc, 7 parts of a first section plasma arc, 8 parts of a contraction section plasma arc, 9 parts of a compression section plasma arc, 10 parts of a mechanical compression nozzle, 11 parts of a parent metal welding seam, 12 parts of a linear cooling domain, 13 parts of a linear cooling wall, 14 parts of a profiling curve and 15 parts of mechanical transition.
Detailed Description
As shown in fig. 1-3, the whole device mainly comprises a compression nozzle (4), a cooling liquid (5), a linear cooling wall (13) and a tungsten electrode (3), wherein the compression nozzle (4) is installed at the bottom of a compression nozzle barrel (2), the linear cooling wall (13) is arranged in an annular groove hole in the compression nozzle (4), the cooling liquid (5) passes through the linear cooling wall (13), the tungsten electrode (3) is installed at the central position in the compression nozzle barrel (2), and the bottom end of the tungsten electrode (3) is arranged at a certain distance from the horizontal plane of the compression nozzle (4); the compression nozzle barrel (2) is in an arc spherical shell structure, a through hole is arranged at the central position of the bottom end part, the through hole is connected with the inner wall surface of the compression nozzle barrel (2), a mechanical transition (15) of an arc transition structure is arranged at the position of the through hole, the tungsten electrode (3) is arranged at a position which ensures that the bottom end position has a certain distance with the horizontal plane of the compression nozzle (4), the section is away from the electric arc to form a first section of plasma arc (7), a contraction section of plasma arc (8) is formed in the vertical distance corresponding to the electric arc and the linear cooling area (12), the electric arc forms a mechanical compression section of plasma arc (9) at the position of a through hole of the compression nozzle (4), the electric arc forms a final section of plasma arc (6) with high energy-gathering stability after being separated from the compression nozzle (4), a protective cover (1) is sleeved and installed at a certain distance from the outer wall of the compression nozzle barrel (2), and the bottom end of the final section of plasma arc (6) is in contact with a formed parent metal welding seam (11.
In addition, the linear cooling wall (13) arranged in the annular groove hole in the compression nozzle (4) is of a parabolic structure as a whole, a linear cooling area (12) is formed between the linear cooling wall (13) and the inner wall surface of the compression nozzle (4), the parabolic structure of the linear cooling wall (13) is consistent with a profile curve (14), and the profile curve (14) is consistent with an I (integer) according to a plasma arc energy formula Q2Rt gives the energy curve Q ═ I that ensures linear cooling performance in the linear cooling region and arc energy concentration2Rt (current I as the main factor) is consistent, and linear accumulation of arc energy is guaranteed.
The final effect is as follows: through structural position arrangement installation in the technical content, separate electric arc layer upon layer, separation control, carry out the linear concentrated gathering of energy to electric arc through parabolic structure's linear stave, guarantee the stable gathering of electric arc energy, the mechanical transition of the circular arc transition structure that the through-hole of rethread compression nozzle section of thick bamboo and compression nozzle section of thick bamboo internal face connected position set up carries out mechanical compression to the electric arc of stabilizing the gathering, the energy gathers once more, finally form stable, high energy column electric arc that gathers, effectively promote plasma welding thermal efficiency.
Claims (6)
1. The utility model provides a linear heat shrinkage effect gathers can plasma arc welding, mainly include compression nozzle (4), coolant liquid (5), linear cooling wall (13), tungsten utmost point (3), a serial communication port, compression nozzle (4) are installed in compression nozzle section of thick bamboo (2) bottom, be provided with linear cooling wall (13) in the inside annular slotted hole of compression nozzle (4), inside through having coolant liquid (5) of linear cooling wall (13), central point in compression nozzle section of thick bamboo (2) is installed in tungsten utmost point (3), tungsten utmost point (3) mounted position makes its bottom end position and compression nozzle (4) horizontal plane have certain distance.
2. A linear thermal contraction effect focused plasma arc weld according to claim 1, wherein: the compression nozzle barrel (2) is of an arc spherical shell structure, a through hole is formed in the center of the bottom end, and a mechanical transition (15) of an arc transition structure is formed in the position where the through hole is connected with the inner wall surface of the compression nozzle barrel (2).
3. A linear thermal contraction effect focused plasma arc weld according to claim 1, wherein: the linear cooling wall (13) arranged in the annular groove hole in the compression nozzle (4) is of a parabolic structure as a whole, and a linear cooling domain (12) is formed between the linear cooling wall (13) and the inner wall surface of the compression nozzle (4).
4. A linear thermal contraction effect energy concentrating plasma arc weld according to claim 1 or 3, wherein: the overall parabolic structure of the linear cooling wall (13) is identical to a profile curve (14), and the profile curve (14) is I according to a plasma arc energy formula Q2Rt is obtained.
5. A linear thermal contraction effect focused plasma arc weld according to claim 1, wherein: an electric arc in the distance between the installation bottom end face of the tungsten electrode (3) and the horizontal plane of the compression nozzle (4) forms a first-section plasma arc (7), a contraction-section plasma arc (8) is formed in the vertical distance corresponding to the electric arc and the linear cooling region (12), the electric arc forms a mechanical compression-section plasma arc (9) at the through hole position of the compression nozzle (4), and the electric arc forms a high-energy-gathering stable final-section plasma arc (6) after being separated from the compression nozzle (4).
6. A linear thermal contraction effect focused plasma arc weld according to claim 1 or 5, characterized in that: the protective cover (1) is sleeved and installed at a certain distance from the outer wall of the compression nozzle barrel (2), and the bottom end of the final-stage plasma arc (6) is in contact with a formed base metal welding seam (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921953629.2U CN211759091U (en) | 2019-11-13 | 2019-11-13 | Linear thermal contraction effect energy-gathering plasma arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921953629.2U CN211759091U (en) | 2019-11-13 | 2019-11-13 | Linear thermal contraction effect energy-gathering plasma arc welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211759091U true CN211759091U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921953629.2U Active CN211759091U (en) | 2019-11-13 | 2019-11-13 | Linear thermal contraction effect energy-gathering plasma arc welding |
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| Country | Link |
|---|---|
| CN (1) | CN211759091U (en) |
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- 2019-11-13 CN CN201921953629.2U patent/CN211759091U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201230 Address after: 213000 Zou Qu Zhen Qian Wang Cun, Zhonglou District, Changzhou City, Jiangsu Province Patentee after: Jiangsu shuozhan Precision Machinery Co.,Ltd. Address before: No.8, group 5, Chaoyang village, longxipu Town, Xinshao County, Shaoyang City, Hunan Province, 422900 Patentee before: Yang Xiaozhen |
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| TR01 | Transfer of patent right |