CN111375978A - Automatic displacement device for welding of conduit ring weld joint - Google Patents

Automatic displacement device for welding of conduit ring weld joint Download PDF

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Publication number
CN111375978A
CN111375978A CN202010323633.1A CN202010323633A CN111375978A CN 111375978 A CN111375978 A CN 111375978A CN 202010323633 A CN202010323633 A CN 202010323633A CN 111375978 A CN111375978 A CN 111375978A
Authority
CN
China
Prior art keywords
welding
mechanical part
circumferential weld
conduit
bearing
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.)
Pending
Application number
CN202010323633.1A
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Chinese (zh)
Inventor
刘坤
王强
石友祥
贾俊杰
胡植麟
邱晓宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Aircraft Industrial Group Co Ltd
Original Assignee
Chengdu Aircraft Industrial Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Aircraft Industrial Group Co Ltd filed Critical Chengdu Aircraft Industrial Group Co Ltd
Priority to CN202010323633.1A priority Critical patent/CN111375978A/en
Publication of CN111375978A publication Critical patent/CN111375978A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B23K37/0538Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The utility model belongs to the field of machinery, especially, relate to a pipe circumferential weld welds automatic device that shifts, it mainly includes horizontal bottom plate, install perpendicular riser on the horizontal bottom plate, install on the perpendicular riser and be used for the tight mechanical part of multiple diameter pipe location clamp, be provided with on the mechanical part and drive mechanical part pivoted electric part, electric part restricts mechanical part's rotation rate and start-stop position. This application can realize the quick location of pipe and around the rotation of girth weld the central axis to reach the pipe location and carry out the pipe upset along with the full weld process, welding speed can adjust as required. The problems of section welding, low welding speed, unstable welding quality and the like in the conduit circular seam welding are solved. The device is designed to be used in cooperation with a welding robot, and the high-quality automatic welding of the conduit circumferential weld can accurately control the welding angle, the height of a welding gun and the welding speed.

Description

Automatic displacement device for welding of conduit ring weld joint
Technical Field
The application belongs to the field of machinery, especially relates to a pipe girth weld welds automatic device that shifts.
Background
The aircraft conduit system plays an important role in conveying fuel oil and hydraulic oil, isolating and protecting cable circuits, and is distributed in various parts of the aircraft, namely blood vessels of the aircraft. Along with the gradual improvement of the performance index requirements of the aircraft, the requirements on the rigidity and the air tightness of the guide pipe are more strict.
The welding of the conduit is an important part of the manufacturing process of the conduit, and the welding quality directly determines the overall rigidity and air tightness of the conduit. The full welding of the conduit circumferential weld all has been operated manually by a technician all the time, the welding quality completely depends on the level of the technician, the important parameters of a welding gun angle, a welding gun height, a welding speed and the like in the conduit welding process are not accurately controlled, and proper welding parameters are not selected according to different conduit diameters. At present, the manual full welding of the conduit does not have a matched welding follow-up clamp, conduit parts need to be turned over ceaselessly, continuous welding cannot be realized, the section welding probability is high, and the product is easy to have the defects of cracks, sand holes, air holes and the like; because the pipe part needs to be overturned for multiple times, the welding speed is low, and the production efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an automatic displacement device for welding a conduit circular seam.
In order to achieve the technical effects, the technical scheme of the application is as follows:
the technical scheme of the application is as follows:
the automatic position changing device for the welding of the circumferential weld of the guide pipe comprises a horizontal bottom plate, wherein a vertical plate is arranged on the horizontal bottom plate, a mechanical part for positioning and clamping the guide pipes with various diameters is arranged on the vertical plate, an electrical part for driving the mechanical part to rotate is arranged on the mechanical part, and the electrical part limits the rotation speed and the start-stop position of the mechanical part.
Further, a protective shell is arranged outside the mechanical part; and a reinforcing rib is arranged between the horizontal bottom plate and the vertical plate.
Further, the mechanical part comprises a first power gear, the first power gear is connected with a first rotating shaft through a first bearing, the first power gear is meshed with a driven gear, the middle of the driven gear is hollow, an annular second bearing is arranged in the hollow part, a guide rod is radially installed on the driven gear, and a quick-change positioning connector used for positioning and tightening the catheters with various diameters is arranged on the fixed guide rod.
Still further, the guide arm includes fixed guide arm and removal guide arm, and fixed guide arm and removal guide arm link to each other with driven gear's both sides respectively, quick change location connects includes stiff end quick change location joint and removal end quick change location joint, and fixed guide arm links to each other with stiff end quick change location joint, and the removal guide arm links to each other with removal end quick change location joint.
Still further, a hinge shaft is arranged between the fixed guide rod and the fixed end quick-change positioning connector.
Still further, a locking nut is arranged on the outer side of the movable guide rod.
Still further, be provided with the position card on the stiff end quick change location joint.
Further, the electric part comprises a second power gear meshed with the mechanical part, a second rotating shaft is sleeved on the second power gear, and the second rotating shaft is connected with the servo motor.
Still further, servo motor's output shaft links to each other with the speed reducer, and the speed reducer passes through the shaft coupling and links to each other with the bearing, the bearing links to each other with the second pivot.
Still further, a speed reducer positioning seat is arranged outside the speed reducer, an outer spherical bearing with a seat and a bearing cover plate are arranged outside the bearing, and an installation frame is arranged between the coupler and the speed reducer positioning seat.
The application has the advantages that:
1. the application provides an utilize motor and speed reducer to drive the quick positioning connection of interchangeable of fastening on the gear, realize pipe quick positioning and around the rotation of girth weld the central axis to reach the pipe location and carry out the pipe upset along with the full weld process, welding speed can adjust as required. The automatic displacement device for welding the circumferential weld overcomes the problems of section welding, low welding speed, unstable welding quality and the like in the circumferential weld of the guide pipe. The device is designed to be used in cooperation with a welding robot, and the high-quality automatic welding of the conduit circumferential weld can accurately control the welding angle, the height of a welding gun and the welding speed.
2. The structure of this application all is tight, around axis uniform velocity rotation, cooperation industrial welding robot realization automated welding and design for realizing the quick location of pipe is tight, including quick positioning and clamping mechanism, meshing gear train, power take off mechanism. The quick-change positioning joint can realize the positioning of catheters with different diameters, and the coaxiality of the catheters and the driven gear can meet the requirement in the form of a fixed joint at one end and a movable joint at the other end; the rubber is adhered to the contact part of the joint and the conduit, and the joint and the conduit are matched with a fixed-force wrench, so that the function of clamping the conduit can be realized, and the conduit can be ensured not to be damaged; the pipe is rotated around the axis of the welding seam by using a gear meshing transmission mechanism, and the pipe welding machine is simple in structure, stable in transmission and easy to control.
3. The device can be matched with an industrial welding robot to realize automatic welding, can greatly improve the welding quality of the guide pipe, provides a new mode and a new thought for the automatic welding of the guide pipe, and has wide future large-scale application prospect.
Drawings
FIG. 1 is a block diagram of the present invention.
Fig. 2 is a schematic structural view of a mechanical part of the present invention.
Fig. 3 is a schematic diagram of the electrical part structure of the present invention.
In the drawings: 100-horizontal bottom plate, 200-reinforcing rib, 300-vertical plate, 400-protective shell, 1-first bearing, 2-first rotating shaft, 3-first driven gear, 4-second bearing, 5-fixed guide rod, 6-hinge shaft, 7-fixed end quick-change positioning joint, 8-moving end quick-change positioning joint, 9-moving guide rod, 10-locking nut, 11-position card, 12-power gear, 21-second rotating shaft, 22-second power gear, 23-bearing cover plate, 24-belt seat spherical bearing, 25-coupler, 26-mounting frame, 27-speed reducer positioning seat and 28-servo motor.
Detailed Description
Example 1
The automatic position changing device for the conduit circular weld seam welding comprises a horizontal base plate 100, wherein a vertical plate 300 is installed on the horizontal base plate 100, a mechanical part for positioning and clamping conduits with various diameters is installed on the vertical plate 300, an electrical part for driving the mechanical part to rotate is arranged on the mechanical part, and the electrical part limits the rotating speed and the starting and stopping positions of the mechanical part. The mechanical part is provided with a fixed guide rod 5 and a fixed end quick-change positioning connector 7 with various diameters, hole-shaft matching of phi 12H7/f7 and matching of hinge shaft 6H7/f7 exist between the fixed guide rod and the fixed end quick-change positioning connector, and hole-shaft matching relation of H7/f7 also exists between a movable guide rod 9 and a movable end quick-change positioning connector 8 with various diameters, so that quick and accurate installation of quick-change positioning connectors with different diameters is realized. The fixed-force wrench is used for rotating the movable guide rod 9, the movable guide rod 9 drives the movable end quick-change connector to move along the axial direction, the position card 11 is used for detecting the gap between the welding seams of the quick-change connector guide pipes, and when the torque reaches the rated value of the fixed-force wrench, the locking nut 10 is locked, so that the guide pipes with different diameters can be quickly and accurately positioned. According to the diameter of the guide pipe and the size of the position card 11, the distance between a welding gun of the industrial welding robot and a welding seam, the height of the welding gun and the inclination angle are adjusted. The servo motor of the electric part is started, the speed is reduced to a limited rotating speed through the speed reducer, the power gear 12 fixed on the rotating shaft is driven through the coupler 25, the power gear 12 drives the driven gear, the positioning structure and the guide pipe to rotate at a constant speed around the axis of the welding seam at a rated welding speed, and the automatic full welding of the circumferential welding seam of the guide pipe is realized by matching with an industrial welding robot welding gun.
Example 2
The automatic position changing device for the conduit circular weld seam welding comprises a horizontal base plate 100, wherein a vertical plate 300 is installed on the horizontal base plate 100, a mechanical part for positioning and clamping conduits with various diameters is installed on the vertical plate 300, an electrical part for driving the mechanical part to rotate is arranged on the mechanical part, and the electrical part limits the rotating speed and the starting and stopping positions of the mechanical part. A protective shell 400 is arranged outside the mechanical part; a reinforcing rib 200 is arranged between the horizontal bottom plate 100 and the vertical plate 300. The mechanical part comprises a first power gear 12, the first power gear 12 is connected with a first rotating shaft 2 through a first bearing 1, the first power gear 12 is meshed with a driven gear, the middle part of the driven gear is hollow, the hollow part is provided with an annular second bearing 4, the driven gear is radially provided with a guide rod, and a quick-change positioning connector used for positioning and tightening guide pipes with various diameters is arranged on a fixed guide rod 5.
The guide arm includes fixed guide arm 5 and removal guide arm 9, and fixed guide arm 5 and removal guide arm 9 link to each other with driven gear's both sides respectively, quick change location joint includes stiff end quick change location joint 7 and removes end quick change location joint 8, and fixed guide arm 5 links to each other with stiff end quick change location joint 7, and removal guide arm 9 links to each other with removing end quick change location joint 8. A hinge shaft 6 is arranged between the fixed guide rod 5 and the fixed end quick-change positioning connector 7. And a locking nut 10 is arranged outside the movable guide rod 9. And a position card 11 is arranged on the fixed end quick-change positioning connector 7.
The electric part comprises a second power gear 22 meshed with the mechanical part, the second power gear 22 is sleeved with a second rotating shaft 21, and the second rotating shaft 21 is connected with a servo motor 28. The output shaft of the servo motor 28 is connected with a speed reducer, the speed reducer is connected with a bearing through a coupler 25, and the bearing is connected with the second rotating shaft 21. A speed reducer positioning seat 27 is arranged outside the speed reducer, an outer spherical bearing with a seat and a bearing cover plate 23 are arranged outside the bearing, and an installation frame 26 is arranged between the coupler 25 and the speed reducer positioning seat 27.
The replaceable quick positioning joint can quickly position the guide pipes with various diameters, the hole shafts of H7/f7 are matched and guided, and the hinge shaft 6 is accurately and quickly oriented. The gear meshing mechanism is fixed with a replaceable quick positioning mechanism along the diameter direction, and the positioning mechanism rotates along with the gear to drive the guide pipe to rotate along the axis of the welding line. The servo motor 28 drives the power gear 12 to rotate through the speed reducer, drives the driven gear and the positioning device fixed on the driven gear to rotate at a constant speed around a fixed axis, and is a set of device capable of realizing automatic welding by matching with an industrial welding robot.

Claims (10)

1. The utility model provides a pipe girth weld welds automatic device that shifts which characterized in that: the device comprises a horizontal bottom plate (100), wherein a vertical plate (300) is installed on the horizontal bottom plate (100), a mechanical part for positioning and clamping catheters with various diameters is installed on the vertical plate (300), an electrical part for driving the mechanical part to rotate is arranged on the mechanical part, and the electrical part limits the rotation speed and the start-stop position of the mechanical part.
2. The automatic position changing device for the welding of the conduit circumferential weld according to claim 1, characterized in that: a protective shell (400) is arranged outside the mechanical part; and a reinforcing rib (200) is arranged between the horizontal bottom plate (100) and the vertical plate (300).
3. The automatic position changing device for the welding of the conduit circumferential weld according to claim 1, characterized in that: the mechanical part comprises a first power gear (12), the first power gear (12) is connected with a first rotating shaft (2) through a first bearing (1), the first power gear (12) is meshed with a driven gear, the middle of the driven gear is hollow, the hollow part is provided with an annular second bearing (4), the driven gear is radially provided with a guide rod, and a quick-change positioning connector used for positioning and tightening various diameter catheters is arranged on the fixed guide rod (5).
4. The automatic position changing device for the welding of the conduit circumferential weld according to claim 3, characterized in that: the guide arm includes fixed guide arm (5) and removes guide arm (9), and fixed guide arm (5) and removal guide arm (9) link to each other with driven gear's both sides respectively, quick change positioning joint includes stiff end quick change positioning joint (7) and removes end quick change positioning joint (8), and fixed guide arm (5) link to each other with stiff end quick change positioning joint (7), and removal guide arm (9) link to each other with removing end quick change positioning joint (8).
5. The automatic shifting device for the welding of the conduit circumferential weld according to claim 4, characterized in that: a hinge shaft (6) is arranged between the fixed guide rod (5) and the fixed end quick-change positioning connector (7).
6. The automatic shifting device for the welding of the conduit circumferential weld according to claim 4, characterized in that: and a locking nut (10) is arranged on the outer side of the movable guide rod (9).
7. The automatic shifting device for the welding of the conduit circumferential weld according to claim 4, characterized in that: and a position clamping piece (11) is arranged on the fixed end quick-change positioning connector (7).
8. The automatic position changing device for the welding of the conduit circumferential weld according to claim 1, characterized in that: the electric part comprises a second power gear (22) meshed with the mechanical part, a second rotating shaft (21) is sleeved on the second power gear (22), and the second rotating shaft (21) is connected with a servo motor (28).
9. The automatic shifting device for the welding of the conduit circumferential weld according to claim 8, characterized in that: the output shaft of servo motor (28) links to each other with the speed reducer, and the speed reducer passes through shaft coupling (25) and links to each other with the bearing, the bearing links to each other with second pivot (21).
10. The automatic position changing device for the welding of the conduit circumferential weld according to claim 9, characterized in that: a speed reducer positioning seat (27) is arranged outside the speed reducer, an outer spherical bearing with a seat and a bearing cover plate (23) are arranged outside the bearing, and an installation frame (26) is arranged between the coupler (25) and the speed reducer positioning seat (27).
CN202010323633.1A 2020-04-22 2020-04-22 Automatic displacement device for welding of conduit ring weld joint Pending CN111375978A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010323633.1A CN111375978A (en) 2020-04-22 2020-04-22 Automatic displacement device for welding of conduit ring weld joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010323633.1A CN111375978A (en) 2020-04-22 2020-04-22 Automatic displacement device for welding of conduit ring weld joint

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Publication Number Publication Date
CN111375978A true CN111375978A (en) 2020-07-07

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CN202010323633.1A Pending CN111375978A (en) 2020-04-22 2020-04-22 Automatic displacement device for welding of conduit ring weld joint

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112872700A (en) * 2021-01-15 2021-06-01 重庆大江国立精密机械制造有限公司 Platform clamping device for welding
CN112958912A (en) * 2021-03-10 2021-06-15 广东利元亨智能装备股份有限公司 Welding fixture and product deviation rectifying method
CN114406623A (en) * 2022-02-28 2022-04-29 凯奇集团有限公司 Forming method of stainless steel sliding cylinder elbow

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CN208083765U (en) * 2017-11-29 2018-11-13 扬州工业职业技术学院 A kind of automobile instrument panel tool for welding equipment
CN109015023A (en) * 2018-08-25 2018-12-18 孙永保 A kind of clamping and fixing device of large-diameter steel pipe
CN209565711U (en) * 2019-01-28 2019-11-01 南通科钛机器人系统有限公司 A kind of round tube welding fixture positioner
CN209902571U (en) * 2019-03-01 2020-01-07 江苏中唱特种设备有限公司 Suspension pipe welding device
CN210046254U (en) * 2019-04-28 2020-02-11 广州市远浩自动化设备有限公司 Automobile exhaust pipe clamp with anti-deformation function
CN210060293U (en) * 2019-05-13 2020-02-14 无锡市汇安威力焊割机械有限公司 Multi-station positioner

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Publication number Priority date Publication date Assignee Title
CN101112742A (en) * 2007-08-25 2008-01-30 昆山华恒工程技术中心有限公司 Pipe cutting positioner
CN202212736U (en) * 2011-09-26 2012-05-09 西安轨道交通装备有限责任公司 Tank body welding and displacing device for railway tank truck
CN203330636U (en) * 2013-06-28 2013-12-11 中国航空工业集团公司北京航空制造工程研究所 Self-supporting friction stir welding and girth welding tool clamp
CN203484858U (en) * 2013-08-28 2014-03-19 江苏金鑫电器有限公司 High voltage bus pipe welding machine tool
CN204524541U (en) * 2015-03-24 2015-08-05 徐州工程学院 A kind of friction welding (FW) clamping device of adjustable centering
CN204935138U (en) * 2015-08-26 2016-01-06 光隆精密工业(福州)有限公司 The manual quick-locking mechanism of processing jig
CN204954271U (en) * 2015-09-10 2016-01-13 江苏永昇空调有限公司 Welding operation's automatic drive arrangement
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112872700A (en) * 2021-01-15 2021-06-01 重庆大江国立精密机械制造有限公司 Platform clamping device for welding
CN112958912A (en) * 2021-03-10 2021-06-15 广东利元亨智能装备股份有限公司 Welding fixture and product deviation rectifying method
CN114406623A (en) * 2022-02-28 2022-04-29 凯奇集团有限公司 Forming method of stainless steel sliding cylinder elbow
CN114406623B (en) * 2022-02-28 2023-09-22 凯奇集团有限公司 Forming method of stainless steel sliding tube elbow

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Application publication date: 20200707

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