CN114346623B - Manufacturing, forming and processing technology of corrugated pipe compensator - Google Patents
Manufacturing, forming and processing technology of corrugated pipe compensator Download PDFInfo
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- CN114346623B CN114346623B CN202210211501.9A CN202210211501A CN114346623B CN 114346623 B CN114346623 B CN 114346623B CN 202210211501 A CN202210211501 A CN 202210211501A CN 114346623 B CN114346623 B CN 114346623B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000012545 processing Methods 0.000 title claims abstract description 27
- 238000005516 engineering process Methods 0.000 title claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 142
- 238000000034 method Methods 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 28
- 239000002893 slag Substances 0.000 claims abstract description 25
- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 238000005553 drilling Methods 0.000 claims abstract description 14
- 230000002265 prevention Effects 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000004040 coloring Methods 0.000 claims abstract description 5
- 238000009659 non-destructive testing Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract 14
- 238000004140 cleaning Methods 0.000 claims description 27
- 239000010410 layer Substances 0.000 claims description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 14
- 229910052721 tungsten Inorganic materials 0.000 claims description 14
- 239000010937 tungsten Substances 0.000 claims description 14
- 238000010008 shearing Methods 0.000 claims description 13
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 11
- 239000002356 single layer Substances 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 239000012459 cleaning agent Substances 0.000 claims description 6
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical group O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 6
- 238000010306 acid treatment Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000012445 acidic reagent Substances 0.000 claims description 4
- 238000006748 scratching Methods 0.000 claims description 4
- 230000002393 scratching effect Effects 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 3
- 229910001092 metal group alloy Inorganic materials 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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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- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a manufacturing, forming and processing technology of a corrugated pipe compensator, which comprises the following steps: finish turning and cutting are carried out on the raw materials to obtain an upper flange and a lower flange; step two: drilling, namely uniformly drilling the upper flange and the lower flange on a drilling machine; step three: cutting the plate according to the requirements of a process layout and a process card; step four: the coiled plate is coiled into a cylinder by a coiling machine according to the diameter; step five: longitudinal seam welding, namely welding the welding seam of the corrugated pipe by utilizing a welding device; step six: nondestructive testing, namely coloring and penetrating testing of a welding line of the pipe blank; step seven: manufacturing a welding slag preventing baffle plate, and manufacturing the baffle plate according to the diameter of the corrugated pipe; step eight: the outer tube blank is sleeved outside the inner tube blank; step nine: seam welding, namely erecting a welding slag prevention baffle on the corrugated pipe, and welding an upper flange and a lower flange at two ends of the corrugated pipe by utilizing a welding device; step ten: and (5) molding.
Description
Technical Field
The invention relates to the technical field of corrugated pipe compensators, in particular to a manufacturing, forming and processing technology of a corrugated pipe compensator.
Background
The corrugated pipe compensator is one kind of compensating element, also called corrugated pipe expansion joint, capable of expanding and contracting axially and allowing small amount of bending and is used mainly in compensating axial length of pipeline. The bellows is commonly used for an axial bellows expansion joint, and the effective expansion and contraction deformation of the bellows of a working main body of the bellows is utilized to absorb the dimensional change caused by thermal expansion, cold contraction and the like.
When the corrugated pipe compensator is processed, the plate needs to be sheared firstly and then rolled into a cylinder, and after the welding line is finished, the corrugated pipe compensator main body is molded and the flanges at the two ends of the corrugated pipe compensator main body need to be welded. At present, when the flange and the corrugated pipe compensator are welded, more welding slag is generated, so that the welding slag is easy to splash on the corrugated pipe and the flange, damage the shell and easily accumulate on the shell, and sealing is affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a manufacturing and forming processing technology of a corrugated pipe compensator, which is characterized in that a rectangular plate is erected on a corrugated pipe through a welding slag prevention baffle, and the baffle is rotated according to the welding direction, so that welding slag can be prevented from splashing, the outer surfaces of the corrugated pipe and a flange are prevented from being damaged, and the welding slag can be prevented from being accumulated on the corrugated pipe and the flange, so that cleaning is troublesome.
In order to solve the technical problems, the invention provides the following technical scheme: the corrugated pipe compensator manufacturing, forming and processing technology comprises the following steps: finish turning and cutting are carried out on the raw materials to obtain an upper flange and a lower flange; step two: drilling, namely uniformly drilling the upper flange and the lower flange on a drilling machine; step three: cutting the plate, adjusting a positioning baffle plate of a cutting machine according to the requirements of a process layout and a process card, and cutting the plate; step four: the coiled plate is coiled into a cylinder by a coiling machine according to the diameter; step five: longitudinal seam welding, namely welding the welding seam of the corrugated pipe by utilizing a welding device; step six: nondestructive testing, namely coloring and penetrating testing of a welding line of the pipe blank; step seven: manufacturing a welding slag prevention baffle, cutting a rectangular plate by using an electric saw according to the diameter of the corrugated pipe, forming a groove which is matched with the shape and the size of the corrugated pipe below the rectangular plate, mounting a bearing on the outer wall of the top end of the rectangular plate, arranging a rotating shaft in the bearing, and fixing the baffle at the top of the rotating shaft by bolts; step eight: the outer tube blank is sleeved outside the inner tube blank; step nine: seam welding, namely erecting a welding slag prevention baffle on the corrugated pipe, and welding an upper flange and a lower flange at two ends of the corrugated pipe by utilizing a welding device; step ten: and (3) forming and processing the outer surface, cleaning greasy dirt on the outer surface of the corrugated pipe after cooling and forming, drying by using a dryer after cleaning, and finally processing burrs.
As a preferable technical scheme of the invention, the welding can adopt methods such as tungsten direct current hydrogen arc welding, tungsten pulse hydrogen arc welding, microbeam plasma welding, consumable electrode argon arc welding and the like, and the single-layer thickness of the pipe blank is 0.5-1mm, and the tungsten direct current hydrogen arc welding can be selected; more than 1mm of the metal alloy can be welded by hydrogen arc welding; manual arc welding can be used for more than 2 mm; the thickness of the single layer is below 0.5mm, and tungsten electrode pulse argon arc welding and microbeam plasma welding can be adopted.
As a preferable technical scheme of the invention, cleaning agent is used for cleaning the surface of the part to be welded before longitudinal seam welding and seam welding, and a dryer is used for drying after cleaning.
As a preferable technical scheme of the invention, burrs at the ends of the tube blanks are cleaned before multi-layer sleeving so as to avoid scratching the surfaces of the tube blanks, carefully cleaning the inner and outer surfaces of each layer of tube blanks, and preventing oil stains, water and dust from being generated.
As a preferable technical scheme of the invention, after the upper flange and the lower flange are obtained by finish turning and cutting, the upper flange and the lower flange are subjected to acid treatment, and are soaked by an acid reagent to remove oxides on the surfaces.
As a preferable technical scheme of the invention, when the plate is sheared, the first sheet is sheared, then the size inspection is carried out, the batch shearing is carried out after the inspection is qualified, and the inspection items comprise the circumference unfolding length and the height, the incision straightness and the verticality of two adjacent sides at intervals of a certain number of spot inspections.
As a preferable technical scheme of the invention, the cleaning agent is water ethanol or acetone.
As a preferred embodiment of the present invention, the acidic reagent is sulfuric acid.
Compared with the prior art, the invention has the following beneficial effects:
when manufacturing the bellows, through the welding slag prevention baffle that sets up, when carrying out the welding of flange and bellows, the bellows is cliied by welding jig, erects rectangular plate on the bellows, rotates the baffle according to welded direction, and the baffle rotates through the motion of pivot in the bearing, can start the welding, can prevent that the welding slag from splashing, avoids damaging the surface of bellows and flange, also can prevent that the welding slag from piling up on bellows and flange, leads to the clearance trouble.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present invention are obtained will become readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Example 1
The invention provides a manufacturing, forming and processing technology of a corrugated pipe compensator, which comprises the following steps: finish turning and cutting, namely, finish turning and cutting the raw materials to obtain an upper flange and a lower flange, then carrying out acid treatment on the upper flange and the lower flange, soaking the upper flange and the lower flange by sulfuric acid, and removing oxides on the surfaces; step two: drilling, namely uniformly drilling the upper flange and the lower flange on a drilling machine; step three: cutting the plate, adjusting a positioning baffle plate of a cutting machine according to the requirements of a process layout and a process card, and cutting the plate; step four: the coiled plate is coiled into a cylinder by a coiling machine according to the diameter; step five: longitudinal seam welding, namely welding the welding seam of the corrugated pipe by utilizing a welding device; step six: nondestructive testing, namely coloring and penetrating testing of a welding line of the pipe blank; step seven: manufacturing a welding slag prevention baffle, cutting a rectangular plate by using an electric saw according to the diameter of the corrugated pipe, forming a groove which is matched with the shape and the size of the corrugated pipe below the rectangular plate, mounting a bearing on the outer wall of the top end of the rectangular plate, arranging a rotating shaft in the bearing, and fixing the baffle at the top of the rotating shaft by bolts; step eight: the multi-layer sleeving is carried out, burrs at the ports of the tube blanks are cleaned before the multi-layer sleeving, so that the surfaces of the tube blanks are not scratched, the inner surface and the outer surface of each layer of tube blanks are carefully cleaned, oil stains, water and dust cannot be contained, the outer layer tube blanks are sleeved on the outer side of the inner layer tube blanks in the multi-layer sleeving process, and the longitudinal welding seam positions among the tube blanks of all layers are uniformly staggered along the circumferential direction; step nine: seam welding, namely erecting a welding slag prevention baffle on the corrugated pipe, and welding an upper flange and a lower flange at two ends of the corrugated pipe by utilizing a welding device; step ten: forming and processing the outer surface, cleaning greasy dirt on the outer surface of the corrugated pipe after cooling and forming, drying by using a dryer after cleaning, and finally processing burrs;
in the concrete embodiment of the invention, when the corrugated pipe compensator is manufactured, the raw materials are finely turned to obtain an upper flange and a lower flange, then the upper flange and the lower flange are subjected to acid treatment, sulfuric acid is used for soaking the upper flange and the lower flange to remove oxides on the surfaces, then the upper flange and the lower flange are uniformly drilled on a drilling machine, then a positioning baffle plate of a shearing machine is adjusted according to the requirements of a process layout and a process card, the sheared plate is sheared, the sheared plate is rolled into a cylinder according to the diameter after the shearing of the plate, a welding device is used for welding a welding seam of the corrugated pipe, the welding seam of the pipe blank is subjected to coloring and penetration detection after the welding is finished, then a welding slag prevention baffle plate is manufactured, the rectangular plate is firstly cut by an electric saw according to the diameter of the corrugated pipe, a groove matched with the shape and the size of the corrugated pipe is formed below the rectangular plate, then a bearing is arranged on the outer wall of the top end of the rectangular plate, a rotating shaft is arranged in the bearing, a baffle is fixed on the top of the rotating shaft through bolts, then multi-layer sleeving of pipe blanks is carried out, burrs at the ports of the pipe blanks are cleaned before multi-layer sleeving so as to avoid scratching the surfaces of the pipe blanks, the inner and outer surfaces of each layer of pipe blanks are carefully cleaned, no greasy dirt, water and dust are required, in the multi-layer sleeving process, the outer layer pipe blanks are sleeved on the outer side of the inner layer pipe blanks, the longitudinal welding positions among the pipe blanks are uniformly staggered along the circumferential direction, after the sleeving is finished, a welding slag preventing baffle is erected on the corrugated pipe, the positions of the baffle are adjusted according to the welding directions, an upper flange and a lower flange are welded at the two ends of the corrugated pipe by utilizing a welding device, finally the greasy dirt on the outer surface of the corrugated pipe is cleaned during cooling forming, a dryer is used for drying after the cleaning is finished, and finally, processing burrs, namely, when welding the flange and the corrugated pipe, clamping the corrugated pipe by a welding clamp, erecting a rectangular plate on the corrugated pipe, rotating the baffle according to the welding direction, and rotating the baffle through the movement of a rotating shaft in a bearing, so that welding can be started, welding slag can be prevented from splashing, the outer surfaces of the corrugated pipe and the flange are prevented from being damaged, and welding slag can be prevented from being accumulated on the corrugated pipe and the flange, so that cleaning is troublesome.
Example two
The embodiment is an improvement made above the embodiment 1, wherein the welding can adopt methods such as tungsten direct current hydrogen arc welding, tungsten pulse hydrogen arc welding, microbeam plasma welding, consumable electrode argon arc welding and the like, and the single-layer thickness of the pipe blank is 0.5-1mm, and the tungsten direct current hydrogen arc welding can be selected; more than 1mm of the metal alloy can be welded by hydrogen arc welding; manual arc welding can be used for more than 2 mm; the thickness of the single layer is below 0.5mm, and tungsten electrode pulse argon arc welding and microbeam plasma welding can be adopted;
in this embodiment: when the corrugated pipe compensator is manufactured, a consistent welding method can be selected according to the single-layer thickness of the pipe blank, and tungsten electrode direct current hydrogen arc welding can be selected when the single-layer thickness of the pipe blank is 0.5-1 mm; more than 1mm of the metal alloy can be welded by hydrogen arc welding; manual arc welding can be used for more than 2 mm; the single-layer thickness is below 0.5mm, tungsten electrode pulse argon arc welding and microbeam plasma welding can be adopted, and no matter what welding method is, high-current and high-welding speed welding is adopted, so that the thermal influence of the joint during welding is as small as possible, and the mechanical property of the welded joint is improved.
Example III
The embodiment is an improvement made above embodiment 1, before longitudinal seam welding and seam welding, cleaning the surface of a to-be-welded part before welding by using a cleaning agent, and drying by using a dryer after cleaning, wherein the cleaning agent is water ethanol or acetone;
in this embodiment: when the corrugated pipe compensator is manufactured, the surface of a part to be welded needs to be cleaned by using water ethanol or acetone before longitudinal seam welding and seam welding, dirt such as oil dirt, soil and the like attached to the surface is prevented from affecting welding, and a dryer needs to be used for drying after cleaning is finished.
Example IV
The embodiment is an improvement made above embodiment 1, when the sheet is sheared, the first sheet is sheared, then the size inspection is carried out, batch shearing is carried out after the first sheet is qualified, and the batch shearing is carried out once every a certain number of pieces of inspection items comprise the circumferential expansion length and the height, the straightness of the incision and the verticality of the adjacent two sides;
in this embodiment: when manufacturing the corrugated pipe compensator, in the step of shearing the plate, after the first plate is sheared, the circumference unfolding length and the circumference unfolding height, the straightness of the cut and the verticality of the two adjacent sides of the first plate are required to be checked, the batch shearing is performed after the check is qualified, and the corrugated pipe is required to be sheared again at intervals of a certain number, so that the data error can be prevented, and the produced corrugated pipe does not meet the requirements.
Working principle: when the corrugated pipe compensator is manufactured, the raw materials are finely turned and cut to obtain an upper flange and a lower flange, then the upper flange and the lower flange are subjected to acid treatment, sulfuric acid is used for soaking the upper flange and the lower flange to remove oxides on the surfaces, then the upper flange and the lower flange are uniformly drilled on a drilling machine, then the positioning baffle plate of a shearing machine is adjusted according to the requirements of a process layout and a process card, the shearing of the plate is carried out, after the first plate is sheared, the inspection is carried out on the circumferential unfolding length and the height, the straightness of the cut and the verticality of the adjacent two sides, the batch shearing is carried out after the inspection is qualified, and the shearing is carried out once again every certain number, so that the data errors can be prevented, the produced corrugated pipe is not in accordance with the requirements, the sheared plate is coiled into a cylinder by a plate coiling machine according to the diameter after the plate shearing is finished, then welding the welding seam of the corrugated pipe by using a welding device, cleaning the surface of the welding seam by using water-ethanol or acetone before welding, preventing dirt such as oil dirt and soil attached to the surface from affecting the welding, drying by using a dryer after the cleaning is finished, detecting the color penetration of the welding seam of the pipe blank after the welding is finished, then manufacturing a welding slag prevention baffle, cutting the rectangular plate by using an electric saw according to the diameter of the corrugated pipe, arranging a groove matched with the shape and the size of the corrugated pipe under the rectangular plate, arranging a bearing on the outer wall of the top end of the rectangular plate, arranging a rotating shaft in the bearing, fixing the baffle at the top of the rotating shaft by using bolts, then performing multilayer sleeving of pipe blanks, cleaning burrs of the pipe blank ports before multilayer sleeving to avoid scratching the surfaces of the pipe blanks, carefully cleaning the inner and outer surfaces of each layer of pipe blanks, and obtaining the pipe blank with oil dirt, the method comprises the steps of water and dust, in the multi-layer sheathing process, sheathing an outer tube blank on the outer side of an inner tube blank, uniformly staggering the longitudinal welding seam directions among tube blanks along the circumferential direction, erecting a welding slag prevention baffle on a corrugated tube after the sheathing is completed, adjusting the positions of the baffle according to the welding directions, welding an upper flange and a lower flange on two ends of the corrugated tube by using a welding device, cleaning the surface of a part to be welded by using water ethanol or acetone before welding, preventing dirt such as oil dirt and soil attached to the upper surface from affecting the welding, drying by using a dryer after the cleaning is finished, cleaning the oil dirt on the outer surface of the corrugated tube during the final cooling and forming, drying by using a dryer after the cleaning is finished, finally treating burrs, erecting a rectangular plate on the corrugated tube by using a welding slag prevention baffle when the flange and the corrugated tube are welded, rotating the baffle according to the welding direction, and starting the welding by rotating the baffle through the movement of a rotating shaft in a bearing, thereby preventing the welding slag from being damaged, and preventing the welding slag from being accumulated on the corrugated tube and the flange from being troublesome cleaning.
Although embodiments of the invention 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A manufacturing, forming and processing technology of a corrugated pipe compensator is characterized in that: comprises the following steps
Step one: finish turning and cutting are carried out on the raw materials to obtain an upper flange and a lower flange;
step two: drilling, namely uniformly drilling the upper flange and the lower flange on a drilling machine;
step three: cutting the plate, adjusting a positioning baffle plate of a cutting machine according to the requirements of a process layout and a process card, and cutting the plate;
step four: the coiled plate is coiled into a cylinder by a coiling machine according to the diameter;
step five: longitudinal seam welding, namely welding the welding seam of the corrugated pipe by utilizing a welding device;
step six: nondestructive testing, namely coloring and penetrating testing of a welding line of the pipe blank;
step seven: manufacturing a welding slag prevention baffle, cutting a rectangular plate by using an electric saw according to the diameter of the corrugated pipe, forming a groove which is matched with the shape and the size of the corrugated pipe below the rectangular plate, mounting a bearing on the outer wall of the top end of the rectangular plate, arranging a rotating shaft in the bearing, and fixing the baffle at the top of the rotating shaft by bolts;
step eight: the outer tube blank is sleeved outside the inner tube blank;
step nine: seam welding, namely erecting a welding slag prevention baffle on the corrugated pipe, and welding an upper flange and a lower flange at two ends of the corrugated pipe by utilizing a welding device;
step ten: and (3) forming and processing the outer surface, cleaning greasy dirt on the outer surface of the corrugated pipe after cooling and forming, drying by using a dryer after cleaning, and finally processing burrs.
2. The manufacturing, molding and processing process of the corrugated pipe compensator according to claim 1, wherein the manufacturing, molding and processing process comprises the following steps: the welding can be one of tungsten direct current hydrogen arc welding, tungsten pulse hydrogen arc welding, microbeam plasma welding or consumable electrode argon arc welding, and the single-layer thickness of the pipe blank is 0.5-1mm, and the tungsten direct current hydrogen arc welding can be selected; the single-layer thickness of the pipe blank is more than 1mm, and the melt electrode hydrogen arc welding can be selected; the single-layer thickness of the pipe blank is more than 2mm, and manual arc welding can be used; the single-layer thickness of the pipe blank is below 0.5mm, and tungsten electrode pulse argon arc welding and microbeam plasma welding can be adopted.
3. The manufacturing, molding and processing process of the corrugated pipe compensator according to claim 1, wherein the manufacturing, molding and processing process comprises the following steps: before longitudinal seam welding and seam welding, cleaning the surface of the to-be-welded part by using a cleaning agent before welding, and drying by using a dryer after cleaning.
4. The manufacturing, molding and processing process of the corrugated pipe compensator according to claim 1, wherein the manufacturing, molding and processing process comprises the following steps: the burrs at the tube blank ports are cleaned up before multi-layer sleeving so as to avoid scratching the tube blank surfaces, carefully cleaning the inner and outer surfaces of each layer of tube blank, and avoiding oil stains, water and dust.
5. The manufacturing, molding and processing process of the corrugated pipe compensator according to claim 1, wherein the manufacturing, molding and processing process comprises the following steps: after finish turning and cutting to obtain an upper flange and a lower flange, carrying out acid treatment, soaking the upper flange and the lower flange by using an acid reagent, and removing oxides on the surfaces.
6. The manufacturing, molding and processing process of the corrugated pipe compensator according to claim 1, wherein the manufacturing, molding and processing process comprises the following steps: when the plate is sheared, the first sheet is sheared, then the size inspection is carried out, the batch shearing is carried out after the inspection is qualified, and the inspection items comprise the circumference unfolding length and the circumference unfolding height, the incision straightness and the verticality of two adjacent sides at intervals of a certain number of spot checks.
7. A bellows compensator manufacturing molding process according to claim 3, wherein: the cleaning agent is water ethanol or acetone.
8. The manufacturing, molding and processing process of the corrugated pipe compensator according to claim 5, wherein the manufacturing, molding and processing process comprises the following steps: the acidic reagent is sulfuric acid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210211501.9A CN114346623B (en) | 2022-03-05 | 2022-03-05 | Manufacturing, forming and processing technology of corrugated pipe compensator |
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| CN202210211501.9A CN114346623B (en) | 2022-03-05 | 2022-03-05 | Manufacturing, forming and processing technology of corrugated pipe compensator |
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| CN114346623B true CN114346623B (en) | 2024-03-22 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05318110A (en) * | 1991-01-25 | 1993-12-03 | Nippon Steel Corp | Production of titanium corrosion resistance bellows |
| DE102013210982A1 (en) * | 2013-06-12 | 2014-12-18 | Bayerische Motoren Werke Aktiengesellschaft | Dehnkörper for connecting two pieces of pipe in particular an exhaust passage of a motor vehicle and exhaust gas turbocharger unit with such a stretching body |
| CN109027493A (en) * | 2017-06-11 | 2018-12-18 | 江苏恒高电气制造有限公司 | Steel combined with aluminum corrugated expansion joint and its manufacturing process |
| CN109623262A (en) * | 2018-10-29 | 2019-04-16 | 江苏丰禾机械制造股份有限公司 | A kind of on-site assembly method of Bellows expansion joint |
| KR20200070166A (en) * | 2020-05-31 | 2020-06-17 | 주식회사 태영피앤엑스 | Dimple Flange Corrugated Steel Pipe Coupling Method |
| CN112664741A (en) * | 2020-12-11 | 2021-04-16 | 江苏博格东进管道设备有限公司 | Steel-aluminum composite corrugated pipe compensator and manufacturing process thereof |
| WO2021189217A1 (en) * | 2020-03-23 | 2021-09-30 | 江苏鹏飞集团股份有限公司 | Welding process method suitable for rolling of ultra-thick stainless steel composite plates |
| CN214535063U (en) * | 2021-01-18 | 2021-10-29 | 江苏新高波纹管有限公司 | Corrugated pipe compensator with welding slag splashing prevention structure |
| KR102352067B1 (en) * | 2021-07-28 | 2022-01-18 | 성민티에프 주식회사 | Bellows Manufacturing Device And Bellows Manufacturing Method Using The Same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004061354B3 (en) * | 2004-12-21 | 2006-03-09 | Robert Bosch Gmbh | Heat exchanger manufacturing method, involves drilling through-holes in guide plates by laser beams, and supporting plates in helical duct by supporting unit, and inserting pipes for heat medium into holes |
| US8431855B2 (en) * | 2005-10-31 | 2013-04-30 | Codman Neuro Sciences Sarl | Method of making a metal bellows assembly having an intermediate plate |
-
2022
- 2022-03-05 CN CN202210211501.9A patent/CN114346623B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05318110A (en) * | 1991-01-25 | 1993-12-03 | Nippon Steel Corp | Production of titanium corrosion resistance bellows |
| DE102013210982A1 (en) * | 2013-06-12 | 2014-12-18 | Bayerische Motoren Werke Aktiengesellschaft | Dehnkörper for connecting two pieces of pipe in particular an exhaust passage of a motor vehicle and exhaust gas turbocharger unit with such a stretching body |
| CN109027493A (en) * | 2017-06-11 | 2018-12-18 | 江苏恒高电气制造有限公司 | Steel combined with aluminum corrugated expansion joint and its manufacturing process |
| CN109623262A (en) * | 2018-10-29 | 2019-04-16 | 江苏丰禾机械制造股份有限公司 | A kind of on-site assembly method of Bellows expansion joint |
| WO2021189217A1 (en) * | 2020-03-23 | 2021-09-30 | 江苏鹏飞集团股份有限公司 | Welding process method suitable for rolling of ultra-thick stainless steel composite plates |
| KR20200070166A (en) * | 2020-05-31 | 2020-06-17 | 주식회사 태영피앤엑스 | Dimple Flange Corrugated Steel Pipe Coupling Method |
| CN112664741A (en) * | 2020-12-11 | 2021-04-16 | 江苏博格东进管道设备有限公司 | Steel-aluminum composite corrugated pipe compensator and manufacturing process thereof |
| CN214535063U (en) * | 2021-01-18 | 2021-10-29 | 江苏新高波纹管有限公司 | Corrugated pipe compensator with welding slag splashing prevention structure |
| KR102352067B1 (en) * | 2021-07-28 | 2022-01-18 | 성민티에프 주식회사 | Bellows Manufacturing Device And Bellows Manufacturing Method Using The Same |
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| CN114346623A (en) | 2022-04-15 |
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