CN114905119A - Rotary positioning anti-oxidation welding device and welding method - Google Patents
Rotary positioning anti-oxidation welding device and welding method Download PDFInfo
- Publication number
- CN114905119A CN114905119A CN202210506061.XA CN202210506061A CN114905119A CN 114905119 A CN114905119 A CN 114905119A CN 202210506061 A CN202210506061 A CN 202210506061A CN 114905119 A CN114905119 A CN 114905119A
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- Prior art keywords
- welding
- supporting seat
- oxidation
- rotary positioning
- end sealing
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- 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
- 238000003466 welding Methods 0.000 title claims abstract description 79
- 230000003064 anti-oxidating effect Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 8
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
- B23K9/0052—Welding of pipe panels
-
- 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
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Abstract
The invention relates to a rotary positioning anti-oxidation welding device, which comprises: the automatic centering device comprises an electric turntable, a self-centering chuck, a circular base, a supporting seat connected with the upper end of the circular base, a workpiece supporting groove arranged at the upper end of the supporting seat and penetrating through two ends of the supporting seat, two end sealing plates arranged on the outer sides of the two ends of the supporting seat in a one-to-one correspondence manner, an air vent arranged on one end sealing plate, and two adjustable positioning connecting assemblies for positioning connection of the two end sealing plates and the two ends of the supporting seat in a one-to-one correspondence manner; the self-centering chuck is coaxially arranged at the upper end of the electric turntable, and the clamping feet of the self-centering chuck clamp the circular base. The rotary positioning anti-oxidation welding device has the advantages that the width and the height of a welding line are uniform, undercutting and arc starting are not easy to generate, the welding surface is not easy to oxidize, the requirement on the skill of welding operators is low, and the qualified rate of welding parts is high.
Description
Technical Field
The invention relates to the technical field of metal welding devices, in particular to a rotary positioning anti-oxidation welding device and a welding method.
Background
In the welding part shown in fig. 2, the side wall of the cylindrical part 15 is provided with an insertion hole 17, two ends of the cylindrical part are provided with flanges 18, one end of a round rod 16 (or a round pipe) with the diameter matched with the insertion hole is inserted into the insertion hole for positioning, and the round rod is welded by gas shielded welding along the circumferential direction of the round rod; during welding, the round bar is driven to rotate through manually rotating the cylindrical part, the width and the height of a welding seam are uneven, undercut and arc starting are easy to generate, the welding surface is easy to oxidize, the requirement on the skills of welding operators is high, the qualification rate of the welding part is low, therefore, the anti-oxidation welding device and the welding method for rotary positioning are designed, the undercut and the arc starting are difficult to generate, the oxidation of the welding surface is difficult to generate, the requirement on the skills of the welding operators is low, and the qualified rate of the welding part is high, so that the problem to be solved urgently is solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a rotary positioning anti-oxidation welding device and a welding method which have the advantages of uniform width and height of a welding seam, difficulty in undercut and arc starting, difficulty in oxidation of the welding surface, lower requirement on the skills of welding operators and higher qualified rate of a welded part.
The specific technical scheme of the invention is as follows:
a rotationally positioned oxidation resistant welding apparatus comprising: the automatic centering device comprises an electric turntable, a self-centering chuck, a circular base, a supporting seat connected with the upper end of the circular base, a workpiece supporting groove arranged at the upper end of the supporting seat and penetrating through two ends of the supporting seat, two end sealing plates arranged on the outer sides of the two ends of the supporting seat in a one-to-one correspondence manner, an air vent arranged on one end sealing plate, and two adjustable positioning connecting assemblies for positioning connection of the two end sealing plates and the two ends of the supporting seat in a one-to-one correspondence manner; the self-centering chuck is coaxially arranged at the upper end of the electric turntable, and the clamping feet of the self-centering chuck clamp the circular base.
Preferably, the adjustable positioning connection assembly comprises: the connecting screws are in one-to-one correspondence with the through holes on the end sealing plate and the screw holes at one end of the supporting seat; the screw rod of the connecting screw penetrates through the through hole and is in threaded connection with the screw hole.
Preferably, the adjustable positioning connection assembly further comprises: and one end of the guide post penetrates through the guide hole and is connected with one end of the supporting seat.
Preferably, the end sealing plate comprises: the upper end of the plugging plate is provided with a flange lower baffle plate of an accommodating groove with a segmental cross section; the outer end of the baffle plate under the flange is connected with the inner end of the plugging plate.
Preferably, the cross-sectional shape of the workpiece support groove is a segment of a circle with a radius matched with that of the cylindrical member.
Preferably, the self-centering chuck is an electric three-jaw chuck.
Preferably, the rotationally-positioned anti-oxidation welding device further comprises: the gas shielded welding machine is provided with a welding gun and a protective gas pipe and is arranged on one side of the rotating device, a fixed frame for clamping the welding gun and a dial indicator detachably connected with the fixed frame; the protective gas pipe is communicated with the vent hole.
A welding method of a rotary positioning anti-oxidation welding device is characterized in that (1) a cylindrical piece of a welding part is placed on a workpiece supporting groove, and one end of a round rod is inserted into an insertion hole; (2) adjusting the axial and circumferential positions of the cylindrical part, and monitoring through a dial indicator to enable the round rod to be coaxial with the round base; (3) screwing the screws to enable the accommodating grooves of the two end sealing plates to be located on the lower sides of the two flanges in a one-to-one correspondence mode, enabling the two plugging plates to be pressed and plugged on the end faces of the two flanges in a one-to-one correspondence mode, and enabling the vent holes to be communicated with the inner hole of the cylindrical part; (4) and (3) removing the dial indicator, protecting the welding position by the protective gas entering from the protective gas pipe through the vent hole, the inner hole of the cylindrical part and the jack, driving the welding part to rotate by the electric turntable, and welding the round rod and the cylindrical part by the welding gun along the circumferential direction of the round rod.
Compared with the prior art, the invention has the beneficial effects that: the rotary positioning anti-oxidation welding device is characterized in that a cylindrical part of a welding piece is placed on a workpiece supporting groove, the axial and circumferential positions of the cylindrical part are adjusted, the cylindrical part is monitored through a dial indicator, a round rod is coaxial with a circular base, screws are screwed to enable two plugging plates to be pressed and plug the end faces of two flanges in a one-to-one correspondence mode, protective gas entering from a protective gas pipe is communicated through a vent hole, the inner hole of the cylindrical part and a jack of the cylindrical part protect a welding position, an electric rotating disc drives the welding piece to rotate, welding guns weld the round rod and the cylindrical part in the circumferential direction of the round rod, the width and the height of a welding seam are uniform, undercutting and arc starting and closing are not prone to being generated, the welding surface is not prone to being oxidized, the requirement on the skill of welding operators is low, and the qualified rate of the welding piece is high. When the jack is not arranged in the middle of the cylindrical part or the cylindrical part is welded with different lengths, the circular rod and the circular base can be coaxial by adjusting the positions of the two plugging plates. The guide post is matched with the guide hole to facilitate the positioning of the plugging plate to prevent circumferential rotation. The self-centering chuck is an electric three-jaw chuck, and is favorable for clamping the round base by self-centering.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a weldment.
In the figure: the device comprises an electric rotary table 1, a circular base 2, a supporting seat 3, a workpiece supporting groove 4, an end sealing plate 5, an air vent 6, a connecting screw 7, a guide hole 9, a guide column 10, a plugging plate 11, a containing groove 12, a flange lower baffle 13, an electric three-jaw chuck 14, a cylindrical part 15, a round rod 16, a jack 17 and a flange 18.
Detailed Description
The invention will be further described with reference to the drawings.
As shown in the attached figures 1 and 2: a rotationally positioned oxidation resistant welding apparatus comprising: the automatic centering device comprises an electric turntable 1, a self-centering chuck, a circular base 2, a supporting seat 3 in threaded connection with the upper end of the circular base 2, a workpiece supporting groove 4 arranged at the upper end of the supporting seat 3 and penetrating through two ends of the supporting seat 3, two end sealing plates 5 arranged at the outer sides of two ends of the supporting seat 3 in a one-to-one correspondence manner, an air vent 6 arranged on one end sealing plate 5, and two adjustable positioning connecting components for positioning connection of the two end sealing plates 5 and two ends of the supporting seat 3 in a one-to-one correspondence manner; the self-centering chuck is coaxially arranged at the upper end of the electric turntable 1, and the clamping feet of the self-centering chuck clamp the circular base 2.
The adjustable positioning connection assembly comprises: four connecting screws 7, four through holes (not shown) provided in the end sealing plate 5 and four screw holes (not shown) provided at one end of the support base 3, which correspond to the four connecting screws 7 one by one; the screw rod of the connecting screw 7 passes through the through hole and is in threaded connection with the screw hole.
The adjustable positioning connection assembly further comprises: and the guide post 10 is arranged on the end sealing plate 5, and one end of the guide post passes through the guide hole 9 and is in threaded connection with one end of the supporting seat 3.
The end sealing plate 5 comprises: the upper end of the plugging plate 11 is provided with a flange lower baffle 13 of an accommodating groove 12 with a segmental cross section; the outer end of the baffle 13 under the flange is in threaded connection with the inner end of the plugging plate 11.
The cross section of the workpiece supporting groove 4 is in a segment shape with the radius matched with that of the cylindrical part.
The self-centering chuck is an electric three-jaw chuck 14.
The rotationally-positioned anti-oxidation welding device further comprises: a gas shielded welding machine (not shown) provided with a welding gun and a protective gas pipe and arranged at one side of the rotating device, a fixed frame (not shown) for clamping the welding gun, and a dial indicator (not shown) detachably connected with the fixed frame; the shielding gas pipe communicates with the vent hole 6.
A welding method of a rotary positioning anti-oxidation welding device is characterized in that (1) a cylindrical part 15 of a welding part is placed on a workpiece supporting groove 4, and one end of a round rod 16 is inserted into an insertion hole 17; (2) the axial and circumferential positions of the cylindrical member 15 are adjusted and monitored by a dial indicator, so that the round rod 16 is coaxial with the round base 2; (3) screwing the screws to enable the accommodating grooves 12 of the two end sealing plates 5 to be correspondingly positioned at the lower sides of the two flanges 18 one by one, the two plugging plates 11 are correspondingly pressed and plugged on the end surfaces of the two flanges 18 one by one, and the vent holes 6 are communicated with the inner holes of the cylindrical members 15; (4) and (3) removing the dial indicator, protecting the welding position by the protective gas entering from the protective gas pipe through the vent hole 6, the inner hole of the cylindrical part 15 and the jack 17, driving the welding part to rotate by the electric turntable 1, and welding the circular rod 16 and the cylindrical part 15 by the welding gun along the circumferential direction of the circular rod 16.
In addition to the above embodiments, the technical features or technical data of the present invention may be reselected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and are within the protection scope of the present invention.
Claims (8)
1. A rotationally positioned oxidation resistant welding apparatus comprising: electric turntable, from centering chuck, characterized by, anti-oxidation welding set of rotational positioning still include: the device comprises a circular base, a supporting seat connected with the upper end of the circular base, a workpiece supporting groove arranged at the upper end of the supporting seat and penetrating through two ends of the supporting seat, two end sealing plates arranged on the outer sides of the two ends of the supporting seat in a one-to-one correspondence manner, an air vent arranged on one end sealing plate, and two adjustable positioning connecting assemblies for positioning and connecting the two end sealing plates and the two ends of the supporting seat in a one-to-one correspondence manner; the self-centering chuck is coaxially arranged at the upper end of the electric turntable, and the clamping feet of the self-centering chuck clamp the circular base.
2. The apparatus of claim 1, wherein the adjustable positioning assembly comprises: the connecting screws are arranged on the end sealing plate and correspond to the through holes on the end sealing plate one by one, and the screw holes are arranged at one end of the supporting seat; the screw rod of the connecting screw penetrates through the through hole and is in threaded connection with the screw hole.
3. The apparatus of claim 2, wherein the adjustable positioning assembly further comprises: and one end of the guide post penetrates through the guide hole and is connected with one end of the supporting seat.
4. A rotary positioning oxidation resistant welding apparatus as set forth in claim 1, 2 or 3 wherein said end closure plate includes: the upper end of the plugging plate is provided with a flange lower baffle plate of an accommodating groove with a segmental cross section; the outer end of the baffle plate under the flange is connected with the inner end of the plugging plate.
5. A rotary positioning oxidation resistant welding apparatus as set forth in claim 1, 2 or 3 wherein said workpiece support groove has a cross-sectional shape of a segment having a radius matching a radius of the cylindrical member.
6. A rotary positioning oxidation resistant welding apparatus as set forth in claim 1, 2 or 3 wherein said self-centering chuck is a power-driven three-jaw chuck.
7. A rotary positioning oxidation resistant welding apparatus as set forth in claim 1, 2 or 3 further comprising: the gas shielded welding machine is provided with a welding gun and a protective gas pipe and is arranged on one side of the rotating device, a fixed frame for clamping the welding gun and a dial indicator detachably connected with the fixed frame; the protective gas pipe is communicated with the vent hole.
8. A welding method of a rotary positioning anti-oxidation welding device, which is selected from the rotary positioning anti-oxidation welding device of claims 1 to 7, is characterized in that (1) a cylindrical part of a welding part is placed on a workpiece supporting groove, and one end of a round rod is inserted into an insertion hole; (2) adjusting the axial and circumferential positions of the cylindrical part, and monitoring through a dial indicator to enable the round rod to be coaxial with the round base; (3) screwing the screws to enable the accommodating grooves of the two end sealing plates to be located on the lower sides of the two flanges in a one-to-one correspondence mode, enabling the two plugging plates to be pressed and plugged on the end faces of the two flanges in a one-to-one correspondence mode, and enabling the vent holes to be communicated with the inner hole of the cylindrical part; (4) and (4) removing the dial indicator, protecting the welding position by the protective gas entering from the protective gas pipe through the vent hole, the inner hole of the cylindrical part and the jack, driving the welding part to rotate by the electric turntable, and welding the round rod and the cylindrical part by the welding gun along the circumferential direction of the round rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210506061.XA CN114905119A (en) | 2022-05-10 | 2022-05-10 | Rotary positioning anti-oxidation welding device and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210506061.XA CN114905119A (en) | 2022-05-10 | 2022-05-10 | Rotary positioning anti-oxidation welding device and welding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114905119A true CN114905119A (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210506061.XA Pending CN114905119A (en) | 2022-05-10 | 2022-05-10 | Rotary positioning anti-oxidation welding device and welding method |
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| CN212793969U (en) * | 2020-01-16 | 2021-03-26 | 天津甬邦科技有限公司 | Frock clamp on drilling machine |
| CN214602884U (en) * | 2021-03-09 | 2021-11-05 | 山西潞安大成工贸有限责任公司 | Gas pipe flange welding platform |
| CN215995876U (en) * | 2021-04-15 | 2022-03-11 | 江苏融至新材料有限公司 | Supporting device for installing organic fiber filter tank body and flange |
-
2022
- 2022-05-10 CN CN202210506061.XA patent/CN114905119A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200391479Y1 (en) * | 2005-05-10 | 2005-08-04 | 고동일 | Auto welding device for pipe |
| CN203875529U (en) * | 2014-04-16 | 2014-10-15 | 天津市丽川电力装备有限公司 | Clamp for welding connector to outer wall of tubular part with flange |
| CN103978290A (en) * | 2014-05-12 | 2014-08-13 | 西北工业大学 | Joint welding clamp of titanium alloy straight pipe and joint welding method |
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