CN114346623A - Corrugated pipe compensator manufacturing and forming processing technology - Google Patents
Corrugated pipe compensator manufacturing and forming processing technology Download PDFInfo
- Publication number
- CN114346623A CN114346623A CN202210211501.9A CN202210211501A CN114346623A CN 114346623 A CN114346623 A CN 114346623A CN 202210211501 A CN202210211501 A CN 202210211501A CN 114346623 A CN114346623 A CN 114346623A
- Authority
- CN
- China
- Prior art keywords
- welding
- corrugated pipe
- namely
- plate
- manufacturing
- Prior art date
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 title claims abstract description 20
- 238000005516 engineering process Methods 0.000 title claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 144
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000002893 slag Substances 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 26
- 238000010008 shearing Methods 0.000 claims abstract description 19
- 230000002265 prevention Effects 0.000 claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 238000005553 drilling Methods 0.000 claims abstract description 14
- 238000007514 turning Methods 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 8
- 238000004040 coloring Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000009659 non-destructive testing Methods 0.000 claims abstract description 4
- 230000035515 penetration Effects 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 23
- 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
- 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 10
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 239000002356 single layer Substances 0.000 claims description 9
- 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
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 4
- 238000011161 development Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004323 axial length Effects 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
- 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
-
- 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
-
- 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
Landscapes
- 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 corrugated pipe compensator manufacturing and forming processing technology, which comprises the following steps: finish turning cutting, wherein the raw material is subjected to finish turning cutting 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: shearing the plate, namely shearing the plate according to the requirements of the process layout and the process cards; step four: the winding drum is used for winding the sheared plate into a cylinder by using a plate bending machine according to the diameter; step five: longitudinal seam welding, namely welding the welding seam of the corrugated pipe by using a welding device; step six: nondestructive testing, namely performing coloring and penetration testing on the welding seam of the pipe blank; step seven: manufacturing a welding slag prevention baffle, and manufacturing the baffle according to the diameter of the corrugated pipe; step eight: multi-layer sleeving, namely sleeving the outer layer pipe blank on the outer side of the inner layer pipe blank; step nine: seam welding, namely arranging 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 using 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 process of a corrugated pipe compensator.
Background
A corrugated pipe compensator belongs to a compensating element, also called a corrugated pipe expansion joint, can be stretched along the axial direction, also allows a small amount of bending, and is mainly used for axial length compensation on a pipeline. The bellows is commonly used in axial bellows expansion joints, and the effective expansion and contraction deformation of the bellows of the working body is utilized to absorb the dimensional change caused by expansion with heat and contraction with cold.
When the corrugated pipe compensator is processed, a plate needs to be cut firstly, then the plate is rolled into a cylinder, after a welding seam is finished, a corrugated pipe compensator main body is formed, and flange plates need to be welded at two ends of the corrugated pipe compensator main body. At present, when a flange and a corrugated pipe compensator are welded, more welding slag is generated, the welding slag is easy to splash on the corrugated pipe and the flange to damage a shell, and the welding slag is easy to accumulate on the corrugated pipe and the flange to influence sealing.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a corrugated pipe compensator manufacturing and forming process, wherein a rectangular plate block is erected on a corrugated pipe through an arranged welding slag prevention baffle, the baffle is rotated according to the welding direction, 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 to cause troublesome cleaning.
In order to solve the technical problems, the invention provides the following technical scheme: a corrugated pipe compensator manufacturing and forming processing technology comprises the following steps: finish turning cutting, wherein the raw material is subjected to finish turning cutting 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: plate shearing, namely adjusting a positioning baffle of a shearing machine according to the requirements of a process layout and a process card, and then shearing the plate; step four: the winding drum is used for winding the sheared plate into a cylinder by using a plate bending machine according to the diameter; step five: longitudinal seam welding, namely welding the welding seam of the corrugated pipe by using a welding device; step six: nondestructive testing, namely performing coloring and penetration testing on the welding seam 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, so that a groove matched with the shape and the size of the corrugated pipe is formed below the rectangular plate, installing 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 through a bolt; step eight: multi-layer sleeving, namely sleeving the outer layer pipe blank on the outer side of the inner layer pipe blank; step nine: seam welding, namely arranging 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 using a welding device; step ten: and forming and processing the outer surface, cleaning oil stains 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 preferred technical scheme of the invention, the welding can adopt methods such as tungsten electrode direct current hydrogen arc welding, tungsten electrode pulse hydrogen arc welding, micro-beam plasma welding, consumable electrode argon arc welding and the like, and the tungsten electrode direct current hydrogen arc welding can be selected when the single-layer thickness of the pipe blank is 0.5-1 mm; the consumable electrode hydrogen arc welding can be selected above 1 mm; the arc welding can be carried out by manual arc welding when the diameter is more than 2 mm; the single layer thickness is below 0.5mm, and tungsten electrode pulse argon arc welding and micro-beam plasma welding can be adopted.
As a preferred technical scheme of the invention, before longitudinal seam welding and seam welding, a cleaning agent is used for cleaning the surface to be welded before welding, and a dryer is used for drying after cleaning.
As a preferred technical scheme of the invention, burrs at the end openings of the tube blanks are cleaned before the multi-layer sleeving so as to prevent the surface of the tube blanks from being scratched, the inner surface and the outer surface of each layer of the tube blanks are carefully cleaned without oil stain, water and dust, and the longitudinal weld positions among the tube blanks of each layer are uniformly staggered along the circumferential direction in the multi-layer sleeving process.
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 the upper flange and the lower flange are soaked by using an acid reagent to remove oxides on the surfaces.
As a preferred technical scheme of the invention, when the plate is sheared, the dimension inspection is carried out after the first sheet is sheared, the batch shearing is carried out after the inspection is qualified, and the spot inspection is carried out once every certain quantity, wherein the inspection items comprise the circumferential development length and height, the incision straightness and the verticality of two adjacent sides.
As a preferable technical scheme of the invention, the cleaning agent is water ethanol or acetone.
In a preferred embodiment of the present invention, the acidic reagent is sulfuric acid.
Compared with the prior art, the invention can achieve the following beneficial effects:
when making the bellows, through the welding slag baffle that prevents who sets up, when carrying out the welding of flange and bellows, the bellows is cliied by welding jig, erect rectangular plate on the bellows, according to welded direction rotating baffle, the baffle rotates through the motion of pivot in the bearing, can begin to weld, can prevent that the welding slag from splashing, avoid damaging the surface of bellows and flange, also can prevent that the welding slag from piling up on bellows and flange, it is troublesome to lead to clearing up.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example one
The invention provides a corrugated pipe compensator manufacturing and forming processing technology, which comprises the following steps: finish turning cutting, namely finish turning cutting is carried out on the raw material to obtain an upper flange and a lower flange, then acid treatment is carried out on the upper flange and the lower flange, sulfuric acid is used for soaking the upper flange and the lower flange, and oxides on the surfaces are removed; step two: drilling, namely uniformly drilling the upper flange and the lower flange on a drilling machine; step three: plate shearing, namely adjusting a positioning baffle of a shearing machine according to the requirements of a process layout and a process card, and then shearing the plate; step four: the winding drum is used for winding the sheared plate into a cylinder by using a plate bending machine according to the diameter; step five: longitudinal seam welding, namely welding the welding seam of the corrugated pipe by using a welding device; step six: nondestructive testing, namely performing coloring and penetration testing on the welding seam 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, so that a groove matched with the shape and the size of the corrugated pipe is formed below the rectangular plate, installing 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 through a bolt; step eight: multilayer sleeving, namely cleaning burrs at the end openings of the tube blanks before multilayer sleeving so as to avoid scratching the surfaces of the tube blanks, carefully cleaning the inner and outer surfaces of each layer of the tube blanks without oil stains, water and dust, sleeving the outer layer of the tube blanks on the outer side of the inner layer of the tube blanks in the multilayer sleeving process, and uniformly staggering the longitudinal weld positions of the tube blanks in each layer along the circumferential direction; step nine: seam welding, namely arranging 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 using a welding device; step ten: forming and processing the outer surface, cleaning oil stains on the outer surface of the corrugated pipe after cooling and forming, drying by using a dryer after cleaning, and finally processing rough edges;
in the specific embodiment of the invention, 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, the upper flange and the lower flange are soaked by sulfuric acid 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 of a shearing machine is adjusted according to the requirements of a process layout and a process card to shear the plate, the sheared plate is rolled into a cylinder by a plate rolling machine according to the diameter after being sheared, then a welding device is used for welding the welding seam of the corrugated pipe, the welding seam of a pipe blank is subjected to coloring and permeation detection after the welding is finished, then a welding slag prevention baffle is manufactured, a rectangular plate is cut by an electric saw according to the diameter of the corrugated pipe to ensure that a groove matched with the shape and the size of the corrugated pipe is formed 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, fixing a baffle plate at the top of the rotating shaft through bolts, then performing multilayer sleeving of pipe blanks, cleaning burrs at the end opening of the pipe blanks before the multilayer sleeving to avoid scratching the surface of the pipe blanks, carefully cleaning the inner surface and the outer surface of each layer of pipe blanks without oil stain, water and dust, sleeving an outer layer pipe blank on the outer side of an inner layer pipe blank in the multilayer sleeving process, uniformly staggering the longitudinal weld joints among the pipe blanks along the circumferential direction, arranging a welding slag prevention baffle plate frame on the corrugated pipe after the completion of the sleeving, adjusting the position of the baffle plate according to the welding direction, welding an upper flange and a lower flange at the two ends of the corrugated pipe by using a welding device, finally cleaning the oil stain on the outer surface of the corrugated pipe during cooling forming, drying by using a dryer after the cleaning, and finally treating burrs, 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 the welded direction, and the baffle rotates through the motion of pivot in the bearing, can begin to weld, 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 troublesome.
Example two
The embodiment is an improvement on the embodiment 1, the welding can adopt methods such as tungsten electrode direct current hydrogen arc welding, tungsten electrode pulse hydrogen arc welding, micro-beam plasma welding, consumable electrode argon arc welding and the like, and the tungsten electrode direct current hydrogen arc welding can be selected when the single-layer thickness of the pipe blank is 0.5-1 mm; the consumable electrode hydrogen arc welding can be selected above 1 mm; the arc welding can be carried out by manual arc welding when the diameter is more than 2 mm; the single layer thickness is below 0.5mm, and tungsten electrode pulse argon arc welding and micro-beam 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 a 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; the consumable electrode hydrogen arc welding can be selected above 1 mm; the arc welding can be carried out by manual arc welding when the diameter is more than 2 mm; the single layer thickness is below 0.5mm, tungsten electrode pulse argon arc welding and micro-beam plasma welding can be adopted, and no matter which welding method is adopted, high current and high welding speed welding are adopted, so that the heat 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 on embodiment 1, and the method comprises the steps of cleaning the surface to be welded by using a cleaning agent before longitudinal seam welding and seam welding, 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, before longitudinal seam welding and seam welding, the surface of a part to be welded needs to be cleaned by using water ethanol or acetone, dirt such as oil stain and soil attached to the surface is prevented from affecting welding, and a dryer is needed to be used for drying after the cleaning is finished.
Example four
The embodiment is an improvement on the embodiment 1, when a plate is cut, size inspection is carried out after a first sheet is cut, batch cutting is carried out after the first sheet is qualified, and sampling inspection is carried out at intervals of a certain quantity, wherein inspection items comprise circumferential development length and height, incision straightness and perpendicularity of two adjacent sides;
in this embodiment: when the corrugated pipe compensator is manufactured, in the step of shearing the plates, after the first plate is sheared, the circumferential expansion length and height, the incision straightness and the verticality of the two adjacent sides need to be checked, batch shearing is carried out after the checking is qualified, and the corrugated pipes need to be sheared again at intervals of a certain number, so that data errors can be prevented, and the corrugated pipes produced are not qualified.
The working principle is as follows: 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, oxides on the surface are removed, 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 plates are sheared, after a first plate is sheared, the circumferential expansion length and height, the incision straightness and the verticality of two adjacent sides need to be checked, after the checking is qualified, batch shearing is carried out again, shearing is carried out again at intervals of a certain number, data errors can be prevented, the produced corrugated pipe does not meet the requirements, after the plate is sheared, the sheared and rolled plate is rolled into a cylinder by a rolling machine according to the diameter, and then a welding device is used for welding the welding seam of the corrugated pipe, before welding, the surface to be welded needs to be cleaned by using water ethanol or acetone to prevent dirt such as oil stain, soil and the like attached on the surface from affecting welding, after the cleaning is finished, a dryer is used for drying, after the welding is finished, the welding seam of the pipe blank is subjected to coloring and permeation detection, then a welding slag prevention baffle is manufactured, firstly, a rectangular plate is cut by using 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 installed on the outer wall of the top end of the rectangular plate, a rotating shaft is arranged in the bearing, the baffle is fixed at the top of the rotating shaft through a bolt, then, the pipe blank is subjected to multilayer sleeving, burrs at the end opening of the pipe blank are cleaned before multilayer sleeving, so as to prevent the surface of the pipe blank from being scratched, the inner surface and the outer surface of each layer of the pipe blank are carefully cleaned, no oil stain, water or dust exists, and in the multilayer sleeving process, the outer layer tube blank is sleeved outside the inner layer tube blank, the longitudinal weld positions between the tube blanks are staggered uniformly along the circumferential direction, the welding slag prevention baffle is arranged on the corrugated tube after the sleeving is finished, the position of the baffle is adjusted according to the welding direction, the upper flange and the lower flange are welded at the two ends of the corrugated tube by using a welding device, the surface to be welded needs to be cleaned by using water ethanol or acetone before welding to prevent dirt such as oil stain and soil attached to the surface from influencing the welding, a dryer is used for drying after the cleaning is finished, the oil stain on the outer surface of the corrugated tube is cleaned during cooling forming, a dryer is used for drying after the cleaning is finished, burrs are finally treated, the corrugated tube is clamped by a welding fixture during the welding of the flange and the corrugated tube by the arranged welding slag prevention baffle, the rectangular plate is erected on the corrugated tube, the baffle is rotated according to the welding direction, the baffle rotates through the motion of pivot in the bearing, can begin 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 troublesome.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 corrugated pipe compensator manufacturing, forming and processing technology is characterized in that: comprises the following steps
The method comprises the following steps: finish turning cutting, wherein the raw material is subjected to finish turning cutting 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: plate shearing, namely adjusting a positioning baffle of a shearing machine according to the requirements of a process layout and a process card, and then shearing the plate;
step four: the winding drum is used for winding the sheared plate into a cylinder by using a plate bending machine according to the diameter;
step five: longitudinal seam welding, namely welding the welding seam of the corrugated pipe by using a welding device;
step six: nondestructive testing, namely performing coloring and penetration testing on the welding seam 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, so that a groove matched with the shape and the size of the corrugated pipe is formed below the rectangular plate, installing 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 through a bolt;
step eight: multi-layer sleeving, namely sleeving the outer layer pipe blank on the outer side of the inner layer pipe blank;
step nine: seam welding, namely arranging 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 using a welding device;
step ten: and forming and processing the outer surface, cleaning oil stains 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, forming and processing process of the corrugated pipe compensator as claimed in claim 1, wherein: the welding can adopt methods such as tungsten electrode direct current hydrogen arc welding, tungsten electrode pulse hydrogen arc welding, micro-beam plasma welding, consumable electrode argon arc welding and the like, and the tungsten electrode direct current hydrogen arc welding can be selected when the single-layer thickness of the pipe blank is 0.5-1 mm; the consumable electrode hydrogen arc welding can be selected above 1 mm; the arc welding can be carried out by manual arc welding when the diameter is more than 2 mm; the single layer thickness is below 0.5mm, and tungsten electrode pulse argon arc welding and micro-beam plasma welding can be adopted.
3. The manufacturing, forming and processing process of the corrugated pipe compensator as claimed in claim 1, wherein: and (3) cleaning the surface to be welded before welding by using a cleaning agent before longitudinal seam welding and seam welding, and drying by using a dryer after cleaning.
4. The manufacturing, forming and processing process of the corrugated pipe compensator as claimed in claim 1, wherein: the burrs at the end openings of the tube blanks are cleaned before the multi-layer sleeving so as to prevent the surfaces of the tube blanks from being scratched, the inner and outer surfaces of each layer of the tube blanks are carefully cleaned without oil dirt, water and dust, and the longitudinal welding line directions among the tube blanks of all layers are uniformly staggered along the circumferential direction in the multi-layer sleeving process.
5. The manufacturing, forming and processing process of the corrugated pipe compensator as claimed in claim 1, wherein: after the upper flange and the lower flange are obtained by finish turning and cutting, acid treatment is carried out, and the upper flange and the lower flange are soaked by using an acid reagent to remove oxides on the surfaces.
6. The manufacturing, forming and processing process of the corrugated pipe compensator as claimed in claim 1, wherein: when the plate is sheared, size inspection is carried out after the first plate is sheared, batch shearing is carried out after the first plate is qualified, sampling inspection is carried out at intervals of a certain quantity, and inspection items comprise circumferential development length and height, incision straightness and perpendicularity of two adjacent sides.
7. The manufacturing, forming and processing process of the corrugated pipe compensator as claimed in claim 3, wherein: the cleaning agent is water ethanol or acetone.
8. The manufacturing, forming and processing process of the corrugated pipe compensator as claimed in claim 5, wherein: the acidic reagent is sulfuric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210211501.9A CN114346623B (en) | 2022-03-05 | 2022-03-05 | Manufacturing, forming and processing technology of corrugated pipe compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210211501.9A CN114346623B (en) | 2022-03-05 | 2022-03-05 | Manufacturing, forming and processing technology of corrugated pipe compensator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114346623A true CN114346623A (en) | 2022-04-15 |
| CN114346623B CN114346623B (en) | 2024-03-22 |
Family
ID=81094622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210211501.9A Active CN114346623B (en) | 2022-03-05 | 2022-03-05 | Manufacturing, forming and processing technology of corrugated pipe compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114346623B (en) |
Citations (11)
| 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 |
| US20060130329A1 (en) * | 2004-12-21 | 2006-06-22 | Olaf Heinicke | Method and apparatus for producing a heat exchanger for candy-making compositions |
| US20090188897A1 (en) * | 2005-10-31 | 2009-07-30 | Philippe Margairaz | Method of Making a Metal Bellows Assembly Having an Intermediate Plate |
| 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 |
-
2022
- 2022-03-05 CN CN202210211501.9A patent/CN114346623B/en active Active
Patent Citations (11)
| 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 |
| US20060130329A1 (en) * | 2004-12-21 | 2006-06-22 | Olaf Heinicke | Method and apparatus for producing a heat exchanger for candy-making compositions |
| US20090188897A1 (en) * | 2005-10-31 | 2009-07-30 | Philippe Margairaz | Method of Making a Metal Bellows Assembly Having an Intermediate Plate |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114346623B (en) | 2024-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110170799B (en) | Steel box girder manufacturing process | |
| US7013551B2 (en) | Method or manufacturing thin wall isogrid casings | |
| CN111593340B (en) | Laser cladding method for inner wall of hydraulic support oil cylinder | |
| CN106078076B (en) | One kind failure hydraulic cylinder body bore area reproducing method | |
| CN106624405B (en) | Method and system for repairing damage of tube plate and tube hole of steam generator of nuclear power station | |
| CN112453661A (en) | Welding manufacturing method for controlling thermal deformation of cross-shaped steel column | |
| RU2006106901A (en) | METHOD FOR PRODUCING CASED HEXAGONAL PIPES OF LOW-PLASTIC STEEL WITH BORN CONTENT 1.3-1.8% FOR SEALED STORAGE OF WASTE NUCLEAR FUEL | |
| CN114346623A (en) | Corrugated pipe compensator manufacturing and forming processing technology | |
| CN108723690B (en) | Process method for asymmetrically replacing half chord tube of main chord tube of pile leg | |
| US20220090711A1 (en) | System and method for manufacturing pipes | |
| CN112355108B (en) | Forming method of large-caliber corrugated pipe expansion joint | |
| CN106514029A (en) | Method for surfacing end of long pipe | |
| CN115095731B (en) | High-speed galloping expansion joint and manufacturing and assembling method thereof | |
| CN116393860A (en) | Welding process for special component of iron tower | |
| CN105817780A (en) | Method for controlling dimensions in surfacing for pipe end of bimetal composite pipe | |
| CN116810299A (en) | Manufacturing method of pressure steel pipe | |
| CN100349686C (en) | Friction welding method for making short tie-in oil pipe | |
| CN110181228B (en) | Manufacturing process of bimetal mechanical composite bent pipe | |
| CN105643212A (en) | Machining method for integrated heavy load reducer boxes for rolling mill | |
| RU2775448C1 (en) | Method for manufacturing a longitudinally welded clad pipe | |
| RU2308339C1 (en) | Line for manufacturing helical-seam tubes from separate sheets | |
| EP0704855B1 (en) | Method for fabricating end plugs for nuclear fuel rods | |
| CN110977113A (en) | Steel pipe cross welding process | |
| CN109773488B (en) | High-temperature welding structural part and process method for removing stress | |
| JP7151807B2 (en) | Method for manufacturing steel pipe sheet piles having mechanical joint pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240229 Address after: 730000, Room 301, 3rd Floor, Liangjiacha, Heping Village, Heishi Town, Gaolan County, Lanzhou City, Gansu Province (inside Gansu Oute Building Materials Industrial Park Co., Ltd.) Applicant after: Gansu Woer Technology Co.,Ltd. Country or region after: China Address before: 730000 No. 139, Zaolin Road, Anning District, Lanzhou City, Gansu Province (Room 202, incubation building, science and Technology Park, Lanzhou Jiaotong University) Applicant before: LANZHOU XINSHENG TECHNOLOGY CO.,LTD. Country or region before: China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |