CN110695505A - Welding process of pipe body - Google Patents
Welding process of pipe body Download PDFInfo
- Publication number
- CN110695505A CN110695505A CN201910976465.3A CN201910976465A CN110695505A CN 110695505 A CN110695505 A CN 110695505A CN 201910976465 A CN201910976465 A CN 201910976465A CN 110695505 A CN110695505 A CN 110695505A
- Authority
- CN
- China
- Prior art keywords
- welding
- operating rod
- pipe fitting
- pipe
- connecting piece
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 107
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000000137 annealing Methods 0.000 claims abstract description 3
- 238000012805 post-processing Methods 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 238000004080 punching Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005406 washing 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/06—Resistance welding; Severing by resistance heating using roller electrodes
- B23K11/067—Resistance welding; Severing by resistance heating using roller electrodes for welding three-dimensional seams
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/34—Preliminary treatment
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- 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
- 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)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding process of a pipe body, belonging to the technical field of welding, and the technical scheme is characterized by comprising the following steps: step 1: cleaning, cleaning the contact surfaces of the pipe fitting and the connecting piece; step 2: pre-connecting, namely fixing the pipe fitting and the connecting piece in a spot welding or clamping manner; and step 3: welding, namely welding and fixing the pipe fitting and the connecting piece in a roll welding mode; and 4, step 4: post-processing, namely annealing the welded workpiece; the method is characterized in that: in step 3, when the workpiece is welded, the electrode of the seam welder moves back and forth along the axis of the pipe while rotating coaxially with the pipe. The invention has the effect of improving the welding efficiency.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a welding process of a pipe body.
Background
Resistance welding is a method of welding a desired part by applying pressure while locally heating the desired part using resistance heat generated by passing a current through the welded part and a contact portion as a heat source. During welding, metal does not need to be filled, the production efficiency is high, the deformation of a weldment is small, and the automation is easy to realize.
At present, a water separator 100 on an SCR denitration device is disclosed, as shown in fig. 1, and includes a housing 102, and a water inlet pipe 101 and a water outlet pipe 103 fixedly connected to the housing 102, where the housing 102 is communicated with the water inlet pipe 101 or the water outlet pipe 103, and a punching flange 104 is provided, and in order to adapt to complex working conditions and improve water tightness, the connection between the water inlet pipe 101 and the housing 102 and the connection between the water outlet pipe 103 and the housing 102 are realized by welding.
At present, the chinese patent application with publication number CN109986222A discloses a welding process of a steel pipe and a flange, which comprises the following steps: cleaning before welding; preheating before welding; drawing a 1/4 circle position on a steel pipe, welding a flange on the steel pipe, symmetrically welding three batches by adopting a single-side welding and double-side forming welding method, removing the flange, and sequentially welding; and (5) post-welding treatment.
The above prior art solutions have the following drawbacks: in order to improve the strength and the sealing performance of a connecting structure between two welding parts, a mode of multiple welding is adopted, but the process steps of a welding process are increased, so that the welding is more complicated, and the welding efficiency is reduced.
Disclosure of Invention
The invention aims to provide a welding process of a pipe body, and the welding efficiency of pipe fittings is improved.
In order to achieve the purpose, the invention provides the following technical scheme: a welding process of a pipe body comprises the following steps: step 1: cleaning, cleaning the contact surfaces of the pipe fitting and the connecting piece; step 2: pre-connecting, namely fixing the pipe fitting and the connecting piece in a spot welding or clamping manner; and step 3: welding, namely welding and fixing the pipe fitting and the connecting piece in a roll welding mode; and 4, step 4: post-processing, namely annealing the welded workpiece; the method is characterized in that: in step 3, when the workpiece is welded, the electrode of the seam welder moves back and forth along the axis of the pipe while rotating coaxially with the pipe.
By adopting the technical scheme, the pipe fitting and the connecting piece are welded by using a seam welding mode, and the electrode of the seam welding machine axially reciprocates relative to the pipe fitting along the axis of the pipe fitting during welding, so that the welding seam is wavy, the strength and the sealing performance of the connecting structure of the pipe fitting and the pipe fitting are improved, and the welding efficiency is improved by only using one-time welding.
The invention is further configured to: in step 1, the contact surface is washed to remove stains on the contact surface, and then the contact surface is polished to remove an oxide layer on the metal surface and make the contact surface smoother.
Through adopting above-mentioned technical scheme, make the contact surface level and smooth more, make two contact surfaces laminating inseparabler, make both welded structures inseparabler.
The invention is further configured to: in step 2, when welding is adopted, the number of welding spots of spot welding is four, and the four welding spots are uniformly and circumferentially distributed on the pipe fitting.
By adopting the technical scheme, when the pipe fitting and the connecting piece are pre-connected, the connecting structure between the pipe fitting and the connecting piece is more stable.
The invention is further configured to: in step 2, when clamping is adopted, the contact surfaces of the pipe fitting and the connecting piece are attached, and then the connecting part between the pipe fitting and the connecting piece is punched, so that a protrusion is formed on one contact surface, and a groove is formed on the other contact surface.
By adopting the technical scheme, the pre-connection operation is convenient, and the connection structure is simple and stable.
The invention is further configured to: in the step 3, electrodes of the seam welder are all spherical electrodes, the electrodes are connected to the seam welder in a rolling mode, and the seam welder conducts electricity to the workpiece through the electric brushes.
By adopting the technical scheme, the spherical electrode has three axes of rotational freedom, so that the friction force between the electrode and the workpiece is reduced when the electrode axially reciprocates relative to the pipe fitting along the axis of the pipe fitting.
The invention is further configured to: in step 3, the seam welder comprises a rack, a first operating rod connected to the rack and a second operating rod slidably connected to the first operating rod, the two sphere electrodes are arranged at the end of the first operating rod and the end of the second operating rod, the first operating rod is a telescopic rod, and the first operating rod is provided with a first electric pushing cylinder for driving the first operating rod to stretch.
Through adopting above-mentioned technical scheme, the during operation, the second action bars slides to first action bars, makes the electrode of both tip contradict on two work pieces to welding two work pieces, can utilizing first electric push cylinder drive first action bars flexible, utilize the first action bars of reciprocating drive that the electric push cylinder does not stop flexible when the welded, realized two electrodes for the axis direction reciprocating motion of pipe diameter, make the operation more convenient.
The invention is further configured to: the first operating rod is connected to the rack in a sliding mode, and the rack is fixedly connected with a second electric pushing cylinder which drives the first operating rod to slide in the vertical direction.
Through adopting above-mentioned technical scheme, utilize the vertical direction of the first action bars of second electric push cylinder drive to remove to can weld the pipe fitting of different diameters.
The invention is further configured to: the first operating rod is fixedly connected to a third electric pushing cylinder which drives the second operating rod.
Through adopting above-mentioned technical scheme, utilize the removal of third electric push cylinder drive second action bars, made things convenient for sliding of second action bars, make the welding more convenient.
The invention is further configured to: the frame is provided with the strutting arrangement of pipe fitting, strutting arrangement includes two sliding connection in the supporting seat of frame, the glide direction of supporting seat is parallel, it is connected with the roller bearing to rotate on the supporting seat, fixedly connected with drive roller bearing pivoted driving motor on the supporting seat.
Through adopting above-mentioned technical scheme, utilize the roller bearing to support the pipe fitting, then utilize driving motor drive roller bearing to rotate to make the pipe fitting rotate, when welding pipe fitting and connecting piece, make the pipe fitting rotate at the uniform velocity, increase the welding effect between the two, make both connection structure more stable.
The invention is further configured to: the supporting device further comprises a sliding seat which is vertically connected to the rack in a sliding mode, a fourth electric pushing cylinder which is fixedly connected to the rack and drives the sliding seat to move is arranged on the rack, an electromagnetic chuck is rotatably connected to the sliding seat, and a servo motor which drives the electromagnetic chuck to rotate is fixedly connected to the sliding seat.
Through adopting above-mentioned technical scheme, utilize the electromagnetic chuck fixed with the connecting piece and drive the connecting piece and rotate, make connecting piece and pipe fitting rotate in step, shearing force and pulling force that the junction received when reducing pipe fitting and connecting piece welding make welded structure more stable.
In conclusion, the invention has the following beneficial effects:
firstly, when welding, an electrode of the seam welder axially reciprocates relative to the pipe fitting along the axis of the pipe fitting to enable a welding seam to be wavy, so that the strength and the sealing performance of a connecting structure of the electrode and the pipe fitting are improved, and the welding efficiency is improved by only one-time welding;
secondly, the contact surface is cleaned before welding, and the welding seam is annealed after welding, so that the stability of a welding structure is improved;
and thirdly, the two workpieces are connected in advance before welding, and the two workpieces are welded after being fixed relatively, so that the welding is more convenient.
Drawings
FIG. 1 is a perspective view of a prior art water knockout vessel;
FIG. 2 is a perspective view of the seam welder of the present embodiment;
fig. 3 is a schematic structural diagram for showing the support device on the seam welder according to the embodiment.
Reference numerals: 100. a water separator; 101. a water inlet pipe; 102. a housing; 103. a water outlet pipe; 104. punching and flanging; 200. a seam welder; 201. a frame; 202. a first operating lever; 203. a second operating lever; 204. a first electric pushing cylinder; 205. a second electric pushing cylinder; 206. a third electric push rod; 207. an electrode; 208. a support device; 209. a supporting seat; 210. a roller; 211. a drive motor; 212. a sliding seat; 213. a fourth electric pushing cylinder; 214. an electromagnetic chuck; 215. a servo motor; 216. and a fifth electric pushing cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a welding process of a pipe body comprises the following steps:
step 1: and (4) cleaning, namely washing the contact surface by using water to remove stains on the contact surface. Then the contact surface is polished to remove the oxide layer on the metal surface and make the contact surface more smooth and flat, so that the two contact surfaces are more tightly jointed, and the welding structure of the two contact surfaces is more tightly.
Step 2: and pre-connecting, namely pre-fixing the pipe fitting and the connecting piece. The pre-fixing can be performed by adopting a spot welding or clamping mode.
When adopting the welding, taking water knockout drum 100 as an example, peg graft inlet tube 101 in the turn-ups 104 that punches a hole on casing 102, make contact surface laminating between them, then carry out spot welding to turn-ups 104 edges that punches a hole and inlet tube 101 outer wall, the solder joint of spot welding has four, four even circumference of solder joint distribute on inlet tube 101.
When clamping is adopted, taking the water separator 100 as an example, the water inlet pipe 101 is inserted into the punching flanging 104 on the shell 102, so that the contact surfaces of the water inlet pipe and the punching flanging are attached, then the overlapped position between the water inlet pipe 101 and the punching flanging 104 is punched, so that a protrusion facing the water inlet pipe 101 is formed on the punching flanging 104, a groove is formed on the contact surface of the water inlet pipe 101, the protrusion is embedded in the groove, and the water inlet pipe 101 is connected with the shell 102.
And step 3: and (3) welding, namely, welding and fixing the pipe fitting and the connecting piece by using a seam welder 200 to form a continuous welding seam between the pipe fitting and the connecting piece.
The seam welder 200 includes a frame 201, a first operating lever 202 and a second operating lever 203. The first operating rod 202 is vertically and slidably connected to the frame 201, and the frame 201 is fixedly connected with a second electric pushing cylinder 205 for driving the second electric pushing cylinder to slide in the vertical direction. The first operating rod 202 is an expansion rod, and a first electric pushing cylinder 204 for driving the expansion rod to expand and contract is fixedly connected to the first operating rod 202. The second operating rod 203 is parallel to the first operating rod 202, and the second operating rod 203 is vertically slidably connected to one end of the first operating rod 202 away from the frame 201. A third electric push rod 206 for driving the second operating rod 203 to slide vertically is fixedly connected to the free end of the first operating rod 202. Two electrodes 207 are rotatably connected to the side walls of the first operating rod 202 and the second operating rod 203, which are close to each other at the upper ends thereof. Both electrodes 207 are spherical electrodes 207. The first operating lever 202 and the second operating lever 203 are energized with the two electrodes 207 by providing brushes.
The first operating rod 202 is extended into the tube, and the second electric pushing cylinder 205 is used to drive the first operating rod 202 to slide vertically, so that the electrode 207 thereof abuts against the inner wall of the tube. The third electrical push rod 206 is then actuated to drive the second operating rod 203 against the outer wall of the connector. The tube is rotated to make the electrodes 207 rotate against the workpiece, and the first operating rod 202 is driven to extend and retract by the continuous reciprocation of the first electric pushing cylinder 204, so that the two electrodes 207 move in a reciprocating manner relative to the axis direction of the tube diameter. When the reciprocating speed is slow, the welding seam is wavy, the length of the welding seam is increased, the strength and the sealing performance of the connecting structure of the welding seam and the connecting structure of the welding seam are improved, when the reciprocating speed is fast, the welding seam is widened, the areas of two contact surfaces are increased, and the strength and the sealing performance of the connecting structure of the welding seam and the connecting structure of the welding seam are improved. And the two conditions are only welded once, so that the welding efficiency is improved.
The rack 201 is provided with a supporting device 208 for supporting the pipe fitting, the supporting device 208 comprises two supporting seats 209 horizontally connected to the rack 201 in a sliding manner, the sliding directions of the two supporting seats 209 are arranged in parallel, and two fifth electric pushing cylinders 216 for respectively driving the supporting seats 209 to slide are fixedly connected to the rack 201. The supporting seat 209 is rotatably connected with a roller 210, the supporting seat 209 drives a motor 211, and the motor 211 drives the two rollers 210 to rotate in the same direction simultaneously through belt transmission. During welding, the pipe fitting is placed on the two rolling shafts 210, the rolling shafts 210 are used for supporting the pipe fitting, and then the driving motors 211 are used for driving the rolling shafts 210 to rotate, so that the pipe fitting rotates, when the pipe fitting and the connecting piece are welded, the pipe fitting can rotate at a constant speed, and the welding structures of the pipe fitting and the connecting piece are more stable.
The supporting device 208 further comprises a sliding seat 212 vertically and slidably connected to the frame 201, a fourth electric pushing cylinder 213 for driving the sliding seat 212 to move is fixedly connected to the frame 201, and an electromagnetic chuck 214 is rotatably connected to the sliding seat 212. The sliding seat 212 is fixedly connected with a servo motor 215, and the servo motor 215 drives the electromagnetic chuck 214 to rotate through belt transmission. During the welding, utilize electromagnetic chuck 214 fixed with the connecting piece and drive the connecting piece and rotate, make connecting piece and pipe fitting rotate in step, shearing force and pulling force that the junction received when reducing pipe fitting and connecting piece welding make welded structure more stable.
And 4, step 4: and (3) post-treatment, namely heating the welded workpiece to 230-250 ℃ by using a heating sheet at the speed of 50 ℃ per hour, then preserving heat for 2.5 hours, covering the welding line and the heating sheet by using heat preservation cotton, and cooling at the speed of 50 ℃ per hour after preserving heat for 2.5 hours.
The specific working principle of this embodiment is as follows: the pipe fitting and the connecting piece are welded in a seam welding mode, the first electric pushing cylinder 204 is used for driving the two electrodes 207 to axially reciprocate relative to the pipe fitting along the axis of the pipe fitting during welding, so that a welding seam is wavy, the strength and the sealing performance of a connecting structure of the pipe fitting and the connecting piece are improved, and the welding efficiency is improved only by one-time welding.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A welding process of a pipe body comprises the following steps: step 1: cleaning, cleaning the contact surfaces of the pipe fitting and the connecting piece; step 2: pre-connecting, namely fixing the pipe fitting and the connecting piece in a spot welding or clamping manner; and step 3: welding, namely welding and fixing the pipe fitting and the connecting piece in a roll welding mode; and 4, step 4: post-processing, namely annealing the welded workpiece; the method is characterized in that: in step 3, when welding the workpiece, the electrode (207) of the seam welder (200) reciprocates axially relative to the pipe along the axis of the pipe while rotating coaxially with the pipe.
2. A process for welding tubular bodies according to claim 1, characterized in that: in step 1, the contact surface is washed to remove stains on the contact surface, and then the contact surface is polished to remove an oxide layer on the metal surface and make the contact surface smoother.
3. A process for welding tubular bodies according to claim 1, characterized in that: in step 2, when welding is adopted, the number of welding spots of spot welding is four, and the four welding spots are uniformly and circumferentially distributed on the pipe fitting.
4. A process for welding tubular bodies according to claim 1, characterized in that: in step 2, when clamping is adopted, the contact surfaces of the two are jointed, then the joint between the pipe fitting and the connecting piece is punched, so that a protrusion (105) is formed on one contact surface, and a groove (106) is formed on the other contact surface.
5. A process for welding tubular bodies according to claim 1, characterized in that: in the step 3, the electrodes (207) of the seam welder (200) are all spherical electrodes, the electrodes (207) are connected to the seam welder (200) in a rolling mode, and the seam welder (200) conducts electricity to the workpiece through electric brushes.
6. A process of welding a tubular body as claimed in claim 5, wherein: in step 3, the seam welder (200) includes a frame (201), a first operating rod (202) connected to the frame (201), and a second operating rod (203) slidably connected to the first operating rod (202), the two ball electrodes (207) are disposed at an end of the first operating rod (202) and an end of the second operating rod (203), the first operating rod (202) is a telescopic rod, and the first operating rod (202) is provided with a first electric pushing cylinder (204) for driving the first operating rod (202) to extend and retract.
7. A process of welding a tubular body as claimed in claim 6, wherein: the first operating rod (202) is connected to the rack (201) in a sliding mode, and the rack (201) is fixedly connected with a second electric pushing cylinder (205) which drives the first operating rod (202) to slide in the vertical direction.
8. A process of welding a tubular body as claimed in claim 7, wherein: the first operating rod (202) is fixedly connected with a third electric pushing cylinder (206) which drives the second operating rod (203) to slide.
9. A process of welding a tubular body as claimed in claim 8, wherein: frame (201) are provided with strutting arrangement (208) that are used for supporting the pipe fitting, strutting arrangement (208) include two sliding connection in supporting seat (209) of frame (201), the glide direction of supporting seat (209) is parallel, it is connected with roller bearing (210) to rotate on supporting seat (209), fixedly connected with drive roller bearing (210) pivoted driving motor (211) on supporting seat (209).
10. A process of welding a tubular body as claimed in claim 9, wherein: strutting arrangement (208) still include vertical sliding connection in the seat (212) that slides of frame (201), fourth electric push cylinder (213) that fixedly connected with drive seat (212) that slides removed on frame (201), it is connected with electromagnet (214) to rotate on seat (212) that slides, seat (212) fixedly connected with drive electromagnet (214) pivoted servo motor (215) slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976465.3A CN110695505B (en) | 2019-10-15 | 2019-10-15 | Welding process of pipe body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976465.3A CN110695505B (en) | 2019-10-15 | 2019-10-15 | Welding process of pipe body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110695505A true CN110695505A (en) | 2020-01-17 |
| CN110695505B CN110695505B (en) | 2021-08-31 |
Family
ID=69198893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910976465.3A Active CN110695505B (en) | 2019-10-15 | 2019-10-15 | Welding process of pipe body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110695505B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345839A (en) * | 2021-12-28 | 2022-04-15 | 北京航星机器制造有限公司 | Method and system for cleaning longitudinal seam of titanium alloy cylinder |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950978A (en) * | 1982-09-16 | 1984-03-24 | Hitachi Ltd | Seam welding device |
| CN1248666A (en) * | 1998-09-21 | 2000-03-29 | 本田技研工业株式会社 | Method and device for making exhaust pipe of engine |
| CN1765557A (en) * | 2004-10-25 | 2006-05-03 | 北京海能海特石油科技发展有限公司 | Production method of sand-prevention tube and welding equipment |
| CN101116927A (en) * | 2004-10-25 | 2008-02-06 | 北京海能海特石油科技发展有限公司 | Welding equipment of the sand prevention tube |
| CN102151968A (en) * | 2011-02-19 | 2011-08-17 | 首钢总公司 | Method for adding online annealing function of full-automatic narrow lap welding machine |
| CN202491014U (en) * | 2012-03-02 | 2012-10-17 | 咸阳通普材料连接与改性技术有限公司 | Special electric resistance welding device for non-rust acid-proof anti-corrosion layer on internal surface of petroleum drilling rod |
| CN103831520A (en) * | 2012-11-23 | 2014-06-04 | 天津市亿博制钢有限公司 | Cold-rolled strip welding technology method |
| CN106271432A (en) * | 2016-08-30 | 2017-01-04 | 天津鑫凯建业科技有限公司 | A kind of steel pipes with straight manufacturing process and the reel hold down gag for this technique |
| CN110039164A (en) * | 2019-04-23 | 2019-07-23 | 江西华士科技股份有限公司 | A kind of oil drum automatic seam welder |
| CN110193652A (en) * | 2019-05-15 | 2019-09-03 | 刘悦吟 | A kind of conduit welding tooling equipment |
-
2019
- 2019-10-15 CN CN201910976465.3A patent/CN110695505B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950978A (en) * | 1982-09-16 | 1984-03-24 | Hitachi Ltd | Seam welding device |
| CN1248666A (en) * | 1998-09-21 | 2000-03-29 | 本田技研工业株式会社 | Method and device for making exhaust pipe of engine |
| CN1765557A (en) * | 2004-10-25 | 2006-05-03 | 北京海能海特石油科技发展有限公司 | Production method of sand-prevention tube and welding equipment |
| CN101116927A (en) * | 2004-10-25 | 2008-02-06 | 北京海能海特石油科技发展有限公司 | Welding equipment of the sand prevention tube |
| CN102151968A (en) * | 2011-02-19 | 2011-08-17 | 首钢总公司 | Method for adding online annealing function of full-automatic narrow lap welding machine |
| CN202491014U (en) * | 2012-03-02 | 2012-10-17 | 咸阳通普材料连接与改性技术有限公司 | Special electric resistance welding device for non-rust acid-proof anti-corrosion layer on internal surface of petroleum drilling rod |
| CN103831520A (en) * | 2012-11-23 | 2014-06-04 | 天津市亿博制钢有限公司 | Cold-rolled strip welding technology method |
| CN106271432A (en) * | 2016-08-30 | 2017-01-04 | 天津鑫凯建业科技有限公司 | A kind of steel pipes with straight manufacturing process and the reel hold down gag for this technique |
| CN110039164A (en) * | 2019-04-23 | 2019-07-23 | 江西华士科技股份有限公司 | A kind of oil drum automatic seam welder |
| CN110193652A (en) * | 2019-05-15 | 2019-09-03 | 刘悦吟 | A kind of conduit welding tooling equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345839A (en) * | 2021-12-28 | 2022-04-15 | 北京航星机器制造有限公司 | Method and system for cleaning longitudinal seam of titanium alloy cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110695505B (en) | 2021-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110695505B (en) | Welding process of pipe body | |
| CN115673584B (en) | Servo hydraulic cylinder body element processing machine tool | |
| CN101301656A (en) | Device for scrubbing metal pipe inner wall | |
| CN112247354A (en) | Water cooling plate production process and water cooling plate welding device | |
| CN206230175U (en) | A kind of tank body welding machine | |
| CN115397665A (en) | Mobile phone frame and manufacturing method | |
| CN110899955B (en) | System and method for friction welding of elongated members | |
| CN111496368A (en) | Thick plate aluminum alloy angle joint static shaft shoulder stirring friction welding device and method | |
| CN109226956A (en) | Ultrasonic vibration auxiliary friction welds method | |
| CN201042711Y (en) | Device for scrubbing internal wall of metal tube | |
| CN212823722U (en) | Positioning device for stainless steel pipe welding | |
| CN117086459A (en) | Partial vacuum electron beam welding device and application method thereof | |
| CN110653492A (en) | Double-station circumferential laser welding machine and method for annular pipe fitting | |
| CN108436463A (en) | A kind of high-frequency induction laserHybrid welding connection device of socket hollow copper tubing | |
| CN214350213U (en) | Fuel tank filler hole resistance welding integration equipment | |
| CN104117854B (en) | Heat exchanger coil automatic spot welding equipment and method | |
| CN214054140U (en) | High-efficient metal tubular product welding equipment | |
| JP4610202B2 (en) | Heat-treatable shaft enlargement processing equipment | |
| CN211840563U (en) | Full-automatic circular seam welder | |
| CN113458683A (en) | Industrial robot-based welding system and welding method thereof | |
| CN210615535U (en) | Automatic device for implementing spot welding and arc welding on three-station positioner | |
| CN105665982A (en) | Welding platform for large-diameter steel pipe | |
| CN115026407B (en) | Continuously-driven friction stir welding clamp and welding method thereof | |
| CN216177857U (en) | Transformer cooling shell 3D laser vision guide robot welding workstation | |
| CN219649502U (en) | Wire blank butt welding grinding device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Welding Process for Pipe Body Granted publication date: 20210831 Pledgee: Laiwu branch of China Postal Savings Bank Co.,Ltd. Pledgor: Laiwu Anbang Metallurgical Equipment Co.,Ltd. Registration number: Y2024980015654 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |