CN108296601B - Build-up welding gun in bend inner wall build-up welding machine - Google Patents
Build-up welding gun in bend inner wall build-up welding machine Download PDFInfo
- Publication number
- CN108296601B CN108296601B CN201810010946.4A CN201810010946A CN108296601B CN 108296601 B CN108296601 B CN 108296601B CN 201810010946 A CN201810010946 A CN 201810010946A CN 108296601 B CN108296601 B CN 108296601B
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- China
- Prior art keywords
- pipe
- elbow
- copper pipe
- build
- welding
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/26—Accessories for electrodes, e.g. ignition tips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
- B23K9/287—Supporting devices for electrode holders
Abstract
The invention discloses a build-up welding gun in a build-up welding machine for the inner wall of an elbow, which comprises the following steps: the installing box is connected with a curved connecting pipe on the installing box, the magnitude of the curved radian of the connecting pipe is matched with the curved radian of an elbow to be overlaid, an RV speed reducer is arranged in the installing box, a first copper pipe is arranged in the RV speed reducer, a hollow transmission flexible shaft is connected on the first copper pipe, a hollow metal hose is arranged in the inner cavity of the first copper pipe and the transmission flexible shaft, a second copper pipe is arranged in the inner cavity of the metal hose, and the connecting pipe, the transmission flexible shaft, the metal hose and the second copper pipe are respectively connected with a gun head assembly, and the gun head assembly comprises: the welding gun comprises a bearing seat connected with a connecting pipe, a connecting seat connected with a transmission flexible shaft and a gun head elbow connected with the connecting seat, wherein the bending angle of the gun head elbow is matched with the pipe diameter of the elbow to be welded, and a conductive nozzle is arranged at the outer end head of the gun head elbow. The welding gun is simple in structure and convenient to operate, and improves production efficiency.
Description
Technical Field
The invention relates to a build-up welding gun, in particular to a build-up welding gun in a build-up welding machine for the inner wall of an elbow.
Background
The transmission mechanism in the surfacing welding gun for the inner wall surfacing of the elbow pipe in the market at present mostly adopts gear set transmission, because transmission between gear sets needs the transmission shaft, and the transmission shaft is usually in a straight line shape, this needs to be used for connecting the connecting pipe of rifle head subassembly and must be the straight tube, during operation, the connecting pipe drives rifle head subassembly under the actuating action of displacement mechanism and makes straight line removal, in this way, the curved part of meeting the elbow pipe in the rifle head subassembly will be blocked and can't continue to remove after stretching into the elbow pipe, in this way, when surfacing welding the elbow pipe inner wall, the rifle head elbow pipe in rifle head subassembly can't pass the curved part of elbow pipe from the one side of elbow pipe and reach the opposite side of elbow pipe, consequently, when need carry out the work to the inner wall of whole elbow pipe after a plurality of sections to the elbow pipe, then carry out the surfacing welding again with each section of surfacing welding completion, make its welding form required elbow pipe, the work efficiency that utilizes above-mentioned elbow pipe inner wall surfacing welding gun to carry out surfacing welding is low, moreover can not guarantee the quality of butt welding seam well, the easy appearance rejection.
Disclosure of Invention
The purpose of the invention is that: the surfacing welding gun in the pipe inner wall surfacing welding machine has a simple structure and can surfacing and mold the pipe inner wall at one time.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a build-up welding gun in a bent pipe inner wall build-up welding machine, comprising: the installation case is connected with a curved connecting pipe at the lower end of the installation case, the size of the curved radian of the connecting pipe is matched with the curved radian of the bent pipe to be overlaid, so that the connecting pipe is prevented from touching the bent pipe during overlaying operation, the central axes at the upper end and the lower end of the connecting pipe are mutually perpendicular, the upper end head of the connecting pipe is vertically upwards and fixedly connected with the installation case, an RV speed reducer is arranged in the installation case, a first copper pipe is arranged in the RV speed reducer, the RV speed reducer can drive the first copper pipe to rotate under the action of a driving device, a hollow transmission flexible shaft is connected at the lower end of the first copper pipe, the transmission flexible shaft downwards penetrates through the installation case and then stretches into the connecting pipe, the transmission flexible shaft rotates in the connecting pipe under the driving of the first copper pipe, the inner cavity of the first copper pipe is communicated with the inner cavity of the transmission flexible pipe, a hollow metal hose is arranged in the inner cavity of the first copper pipe and the transmission flexible shaft, the outer side wall of the second copper pipe is contacted with the metal hose, the second copper pipe upwards penetrates through the metal hose and the first copper pipe in turn, and then can drive the first copper pipe upwards and the first copper pipe under the action of a driving device, the second copper pipe is connected with a metal hose, the second copper pipe is arranged in turn, and the second copper pipe is connected with a first copper pipe and a rotating assembly, and a second copper pipe is connected with a rotating assembly, and a second copper pipe assembly, and a second hose assembly is arranged, and a second copper pipe assembly is connected with a hose and a hose rotating assembly, and a hose assembly is arranged, and a hose assembly and a lower hose assembly and a hose assembly is respectively: the welding gun comprises a bearing seat, a connecting seat and a gun head elbow, wherein the bearing seat is connected with the lower end of a connecting pipe, a bearing is arranged in the bearing seat, the bearing is sleeved on the connecting seat, the inner end of the connecting seat is embedded on a second copper pipe and is contacted with a metal hose, the connecting seat is fixedly connected with the lower end of a transmission flexible shaft, the gun head elbow is arranged on the connecting seat, the bending angle of the gun head elbow is matched with the pipe diameter of the elbow to be welded, and a conductive nozzle is arranged on the end head of the outer end of the gun head elbow; when the welding wire feeding device works, the welding wire extends out of the wire feeding machine, then passes through the second copper pipe and the gun head elbow and extends out of the contact tip.
Further, the surfacing welding gun in the pipe bending inner wall surfacing welding machine, wherein the concrete installation structure between the gun head pipe bending and the connecting seat is as follows: the inner cavity of the outer end of the connecting seat is provided with a step, the inner end of the gun head elbow extends into the inner cavity of the outer end of the connecting seat and abuts against the step, the outer side wall of the outer end of the connecting seat is provided with a hoop, and the gun head elbow and the connecting seat can be mutually hooped by tightening the hoop.
Further, the surfacing welding gun in the surfacing welding machine for the inner wall of the bent pipe comprises the following specific installation structures between the connecting pipe and the installation box: the lower extreme at the installation case is provided with first flange, is provided with the second flange in the upper end of connecting pipe, is connected through the bolt between first flange and the second flange, stretches into in the connecting pipe after the transmission flexible axle passes first flange downwards.
Furthermore, in the surfacing welding gun in the surfacing welding machine for the inner wall of the bent pipe, a third flange is arranged at the lower end of the connecting pipe, and the third flange is fixedly connected with the bearing seat through bolts.
Further, in the surfacing welding gun in the surfacing welding machine for the inner wall of the bent pipe, a fourth flange is arranged at the lower end of the transmission flexible shaft, and the fourth flange is fixedly connected with the connecting seat through bolts.
Further, the surfacing welding gun in the surfacing welding machine for the inner wall of the bent pipe is characterized in that a driving device for driving the RV reducer is a servo motor.
The invention has the advantages that: simple structure, convenient operation replace traditional gear train's transmission mode with transmission flexible axle plus bearing's combined mode for can adopt the curved connecting pipe of arc, just so can select assorted connecting pipe according to the crooked radian of waiting for the build-up welding return bend, make the connecting pipe can not touch the return bend when pushing away the rifle head subassembly and advance in waiting for the build-up welding return bend, and the bending angle of rifle head return bend in the rifle head subassembly and wait for the pipe diameter assorted of build-up welding return bend, make rifle head return bend can pass the bending portion of return bend smoothly, just so can realize the one shot build-up welding shaping to whole return bend inner wall, production efficiency has not only been improved, the build-up welding effect has still been promoted.
Drawings
Fig. 1 is a schematic structural view of a build-up welding gun in a bent pipe inner wall build-up welding machine according to the invention.
Fig. 2 is an enlarged schematic view of the portion B in fig. 1.
Fig. 3 is an enlarged schematic view of the gun head assembly of fig. 1.
Detailed Description
The technical scheme adopted by the invention is further described below with reference to the attached drawings and the preferred embodiment.
As shown in fig. 1, 2 and 3, a build-up welding gun in a build-up welding machine for an inner wall of an elbow according to the present invention includes: the mounting box 1 is provided with first flange 11 at the lower extreme of mounting box 1, be connected with crooked connecting pipe 2 on mounting box 1, the crooked radian's of connecting pipe 2 size and the crooked radian phase-match of the return bend that will build-up weld to guarantee that connecting pipe 2 can not touch the return bend at build-up welding during operation, the central axis mutually perpendicular at both ends about connecting pipe 2 is provided with second flange 21 in the upper end of connecting pipe 2, the terminal surface of second flange 21 vertically upwards and with first flange 11 between with bolt fixed connection, be provided with third flange 22 in the lower extreme of connecting pipe 2. An RV reducer 3 is arranged in the installation box 1, the RV reducer 3 is connected with a servo motor 31, a first copper pipe 32 is arranged in the RV reducer 3, the first copper pipe 32 penetrates through the RV reducer 3 and is fixed on the RV reducer 3, the servo motor 31 can drive the RV reducer 3 to drive the first copper pipe 32 to rotate, a hollow transmission flexible shaft 4 is connected to the lower end of the first copper pipe 32, the transmission flexible shaft 4 penetrates through the first flange 11 downwards and then stretches into the connecting pipe 2, the transmission flexible shaft 4 can rotate in the connecting pipe 2 under the drive of the first copper pipe 32, a third flange 41 is arranged at the lower end of the transmission flexible shaft 4, the inner cavity of the first copper pipe 32 is communicated with the inner cavity of the transmission flexible shaft 4, a hollow metal hose 5 is arranged in the inner cavity of the first copper tube 32 and the transmission flexible shaft 4, a second copper tube 51 is arranged in the inner cavity of the metal hose 5, the outer side wall of the second copper tube 51 is in contact with the metal hose 5, the second copper tube 51 sequentially extends upwards out of the metal hose 5 and the first copper tube 32 and then upwards passes through the mounting box 1 to be connected with the wire feeder 6, a rotary conductor 52 is arranged on the second copper tube 51 which is positioned in the mounting box 1 and extends out of the metal hose 5, the rotary conductor 52 is connected with the first copper tube 32, the lower ends of the connecting tube 2, the transmission flexible shaft 4, the metal hose 5 and the second copper tube 51 are respectively connected with a gun head assembly, and the gun head assembly comprises: the device comprises a bearing seat 7, a connecting seat 8 and a gun head elbow 9, wherein the bearing seat 7 is connected with a third flange 22 at the lower end of a connecting pipe 2 through bolts, a bearing 71 is arranged in the bearing seat 7, the bearing 71 is sleeved on the connecting seat 8, the inner end of the connecting seat 8 is embedded on a second copper pipe 51 and is contacted with a metal hose 5, the connecting seat 8 is connected with a fourth flange 41 at the lower end of a transmission flexible shaft 4 through bolts, the gun head elbow 9 is arranged on the connecting seat 8, the bending angle of the gun head elbow 9 is matched with the pipe diameter of the elbow to be overlaid, and a conducting nozzle 91 is arranged on the end head at the outer end of the gun head elbow 9; in operation, the welding wire 10 extends from the wire feeder 6, then passes through the second copper tube 51 and the gun head elbow 9, and then extends out from the contact tip 91.
In this embodiment, the specific mounting structure between the gun head elbow 9 and the connection seat 8 is: a step is arranged in the inner cavity of the outer end of the connecting seat 8, the inner end of the gun head elbow 9 stretches into the inner cavity of the outer end of the connecting seat 8 and abuts against the step, a hoop 81 is arranged on the outer side wall of the outer end of the connecting seat 8, and the gun head elbow 9 and the connecting seat 8 can be mutually hooped by tightening the hoop 81.
The invention has the advantages that: simple structure, convenient operation replace traditional gear train's transmission mode with transmission flexible axle plus bearing's combined mode for can adopt the curved connecting pipe of arc, just so can select assorted connecting pipe according to the crooked radian of waiting for the build-up welding return bend, make the connecting pipe can not touch the return bend when pushing away the rifle head subassembly and advance in waiting for the build-up welding return bend, and the bending angle of rifle head return bend in the rifle head subassembly and wait for the pipe diameter assorted of build-up welding return bend, make rifle head return bend can pass the bending portion of return bend smoothly, just so can realize the one shot build-up welding shaping to whole return bend inner wall, production efficiency has not only been improved, the build-up welding effect has still been promoted.
Claims (6)
1. A build-up welding gun in a bent pipe inner wall build-up welding machine, comprising: install bin, its characterized in that: the lower end of the installation box is connected with a curved connecting pipe, the bending radian of the connecting pipe is matched with the bending radian of the bent pipe to be overlaid so as to ensure that the connecting pipe can not touch the bent pipe during overlaying work, the central axes of the upper end and the lower end of the connecting pipe are mutually vertical, the upper end head of the connecting pipe is vertically upwards and fixedly connected with the installation box, an RV reducer is arranged in the installation box, a first copper pipe is arranged in the RV reducer, the RV reducer can drive the first copper pipe to rotate under the action of a driving device, the lower end of the first copper pipe is connected with a hollow transmission flexible shaft, the transmission flexible shaft downwards penetrates the installation box and then stretches into the connecting pipe, the transmission flexible shaft rotates in the connecting pipe under the driving of the first copper pipe, the inner chamber of first copper pipe is linked together with the inner chamber of transmission flexible axle, be provided with hollow metal collapsible tube in the inner chamber of first copper pipe and transmission flexible axle, be provided with the second copper pipe in metal collapsible tube's inner chamber, the lateral wall of second copper pipe contacts with metal collapsible tube, the second copper pipe upwards pass can link to each other with the wire feeder after upwards passing the mounting box again after metal collapsible tube and first copper pipe, be located the mounting box, and stretch out and be provided with rotatory electric conductor on the second copper pipe of metal collapsible tube, rotatory electric conductor links to each other with first copper pipe, the connecting pipe, the transmission flexible axle, the lower extreme of metal collapsible tube and second copper pipe links to each other with rifle head subassembly respectively, rifle head subassembly includes: the welding gun comprises a bearing seat, a connecting seat and a gun head elbow, wherein the bearing seat is connected with the lower end of a connecting pipe, a bearing is arranged in the bearing seat, the bearing is sleeved on the connecting seat, the inner end of the connecting seat is embedded on a second copper pipe and is contacted with a metal hose, the connecting seat is fixedly connected with the lower end of a transmission flexible shaft, the gun head elbow is arranged on the connecting seat, the bending angle of the gun head elbow is matched with the pipe diameter of the elbow to be welded, and a conductive nozzle is arranged on the end head of the outer end of the gun head elbow; when the welding wire feeding device works, the welding wire extends out of the wire feeding machine, then passes through the second copper pipe and the gun head elbow and extends out of the contact tip.
2. The weld overlay welding gun in an elbow inner wall weld overlay machine according to claim 1, wherein: the concrete mounting structure between gun head elbow and the connecting seat is as follows: the inner cavity of the outer end of the connecting seat is provided with a step, the inner end of the gun head elbow extends into the inner cavity of the outer end of the connecting seat and abuts against the step, the outer side wall of the outer end of the connecting seat is provided with a hoop, and the gun head elbow and the connecting seat can be mutually hooped by tightening the hoop.
3. The build-up welding gun in the elbow inner wall build-up welding machine according to claim 1 or 2, characterized in that: the concrete mounting structure between connecting pipe and the mounting box is: the lower extreme at the installation case is provided with first flange, is provided with the second flange in the upper end of connecting pipe, is connected through the bolt between first flange and the second flange, stretches into in the connecting pipe after the transmission flexible axle passes first flange downwards.
4. The build-up welding gun in the elbow inner wall build-up welding machine according to claim 1 or 2, characterized in that: the lower end of the connecting pipe is provided with a third flange, and the third flange is fixedly connected with the bearing seat through bolts.
5. The build-up welding gun in the elbow inner wall build-up welding machine according to claim 1 or 2, characterized in that: the lower end of the transmission flexible shaft is provided with a fourth flange, and the fourth flange is fixedly connected with the connecting seat through bolts.
6. The build-up welding gun in the elbow inner wall build-up welding machine according to claim 1 or 2, characterized in that: the driving device for driving the RV speed reducer is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010946.4A CN108296601B (en) | 2018-01-05 | 2018-01-05 | Build-up welding gun in bend inner wall build-up welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010946.4A CN108296601B (en) | 2018-01-05 | 2018-01-05 | Build-up welding gun in bend inner wall build-up welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108296601A CN108296601A (en) | 2018-07-20 |
| CN108296601B true CN108296601B (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810010946.4A Active CN108296601B (en) | 2018-01-05 | 2018-01-05 | Build-up welding gun in bend inner wall build-up welding machine |
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| CN (1) | CN108296601B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170728A (en) * | 2019-07-10 | 2019-08-27 | 无锡应达工业有限公司 | A kind of Contact welding output mechanism for small dimension special pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07116838A (en) * | 1993-10-27 | 1995-05-09 | Kobe Steel Ltd | Method and equipment for cladding by welding inside of elbow tube |
| JP2002178157A (en) * | 2000-12-07 | 2002-06-25 | Daido Steel Co Ltd | Build-up welding method and equipment |
| CN101780582A (en) * | 2009-01-20 | 2010-07-21 | 机械科学研究院哈尔滨焊接研究所 | Automatic surfacing device of inner wall anticorrosion layer of 90-degree bent pipe and automatic surfacing method thereof |
| CN106270934A (en) * | 2015-05-27 | 2017-01-04 | 南京英尼格玛工业自动化技术有限公司 | A kind of tracking device for welding of pipeline overlaying system |
| CN206010209U (en) * | 2016-08-09 | 2017-03-15 | 山东省计算中心（国家超级计算济南中心） | A kind of six-axle five-linkage welder |
| CN207971552U (en) * | 2018-01-05 | 2018-10-16 | 张家港市鑫州焊割机械有限公司 | Built-up welding welding gun in elbow internal wall built-up welder |
-
2018
- 2018-01-05 CN CN201810010946.4A patent/CN108296601B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07116838A (en) * | 1993-10-27 | 1995-05-09 | Kobe Steel Ltd | Method and equipment for cladding by welding inside of elbow tube |
| JP2002178157A (en) * | 2000-12-07 | 2002-06-25 | Daido Steel Co Ltd | Build-up welding method and equipment |
| CN101780582A (en) * | 2009-01-20 | 2010-07-21 | 机械科学研究院哈尔滨焊接研究所 | Automatic surfacing device of inner wall anticorrosion layer of 90-degree bent pipe and automatic surfacing method thereof |
| CN106270934A (en) * | 2015-05-27 | 2017-01-04 | 南京英尼格玛工业自动化技术有限公司 | A kind of tracking device for welding of pipeline overlaying system |
| CN206010209U (en) * | 2016-08-09 | 2017-03-15 | 山东省计算中心（国家超级计算济南中心） | A kind of six-axle five-linkage welder |
| CN207971552U (en) * | 2018-01-05 | 2018-10-16 | 张家港市鑫州焊割机械有限公司 | Built-up welding welding gun in elbow internal wall built-up welder |
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| CN108296601A (en) | 2018-07-20 |
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Address after: 215625 north side of Jinnan Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant after: Jiangsu Xinzhou wear resistant Technology Co.,Ltd. Address before: 215625 Zhangjiagang Xinzhou welding and Cutting Machinery Co., Ltd., north of Jinnan Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant before: ZHANGJIAGANG XINZHOU WELDING AND CUTTING MACHINERY Co.,Ltd. |
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