CN103433602B - A kind of automatic submerged arc welding machine - Google Patents

A kind of automatic submerged arc welding machine Download PDF

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Publication number
CN103433602B
CN103433602B CN201310297315.2A CN201310297315A CN103433602B CN 103433602 B CN103433602 B CN 103433602B CN 201310297315 A CN201310297315 A CN 201310297315A CN 103433602 B CN103433602 B CN 103433602B
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CN
China
Prior art keywords
tracker
submerged arc
welding machine
arc welding
welding
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Expired - Fee Related
Application number
CN201310297315.2A
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Chinese (zh)
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CN103433602A (en
Inventor
余丽
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.)
Guangdong male industry welding equipment Co., Ltd.
Original Assignee
NINGBO JIANGDONG KEHAI YUNTUO MACHINERY TECHNOLOGY Co Ltd
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Priority to CN201310297315.2A priority Critical patent/CN103433602B/en
Publication of CN103433602A publication Critical patent/CN103433602A/en
Application granted granted Critical
Publication of CN103433602B publication Critical patent/CN103433602B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The present invention relates to a kind of automatic submerged arc welding machine, comprise welding tracking device (3), welding wire (21) and rifle head (22), automatic submerged arc welding machine (2) is fixed on tracker movable part (32), boiler body (1) is arranged on body of heater rotary tooling (5), U-shaped end socket (13) and tube sheet (11) junction of boiler body (1) are the weld seam (14) needing to weld, welding tracking device (3) along with tube sheet (11) axial stretching of distortion, and submerged arc welding machine (2) also correspondence do stretching motion with guarantee welding gun all the time and then described weld seam (14) walk.The present invention follows the moving part of tracker to move under the thrust of stage clip due to submerged arc welding machine, and the tracking bearing of tracker againsts tube sheet does expanding-contracting action, ensures welding gun not from weld seam welding, ensure that welding quality and welding efficiency.

Description

A kind of automatic submerged arc welding machine
Technical field
The present invention relates to a kind of submerged arc welding machine, especially relate to a kind of automatic submerged arc welding machine.
Background technology
Submerged arc welding machine is made up of the source of welding current, submerged arc welding machine and auxiliary equipment.Its power supply can use interchange, direct current or alternating current-direct current and use.Submerged arc welding machine is divided into automatic welder(welding machine) and the large class of semi-automatic arc welder two.Automatic submerged arc welding machine is by submerged arc welding machine, and auxiliary equipment forms, and can reach automatic welding, the major function of automatic submerged arc welding machine is: 1, continuously send welding wire to weld zone; 2, welding current is transmitted; 3, electric arc is moved along seam; 4, the major parameter of electric arc is controlled; 5, starting and the stopping of welding is controlled; 6, to weld zone paving welding agent; 7, end of welding position is regulated before welding.
Can use automatic submerged arc welding machine in Pressure Vessel Manufacture Process, to be the problem paid close attention to of Welder author find always from monthly welding quality statistics for the welding quality of circumferential weld, and the repair rate of circumferential weld is approximately 1-2 times of longitudinal joint, and welding efficiency is low.
Such as, use the J422 welding rod exchanging electric welding φ 3.2, there are 4 weld seams in a boiler, 2 senior welders could weld completion with 5 day time.The above-mentioned time be suppose not do over again, when there is not defect, and CO 2under welding procedure does not allow situation in the welding of pressure vessel pressurized position.
Summary of the invention
The present invention devises a kind of automatic submerged arc welding machine, and its technical problem solved is that the welding quality of existing pressure vessel circumferential weld is wayward and welding efficiency is low.
In order to solve the technical problem of above-mentioned existence, present invention employs following scheme:
A kind of automatic submerged arc welding machine, comprises welding tracking device (3), welding wire (21) and rifle head (22), it is characterized in that: described weldering
Connect tracker (3) and comprise tracker standing part (31) and tracker movable part (32), tracker standing part (31) is connected with a drive unit adjustment realizing vertical height position, tracker movable part (32) is by the move under influence of compression spring (33), tracker movable part (32) front end is provided with follows the tracks of bearing (35), follow the tracks of bearing (35) to be rolled by the tube sheet (11) that against boiler body (1) under the effect of compression spring (33) always, the two ends of compression spring (33) are connected between tracker movable part (32) and tracker standing part (31), automatic submerged arc welding machine (2) is fixed on tracker movable part (32), boiler body (1) is arranged on body of heater rotary tooling (5) to realize own rotation, U type end socket (13) and tube sheet (11) junction of boiler body (1) are the circular weld (14) needing to weld, the tracking bearing (35) of welding tracking device (3) along tube sheet (11) surface scrolls of distortion, and control automatic submerged arc welding machine (2) correspondence do stretching motion with guarantee rifle head (22) all the time and then described circular weld (14) walk.
Further, described drive unit is cylinder (7), the boiler body (1) of cylinder (7) adjustment welding tracking device (3) and automatic submerged arc welding machine (2) height and adaptation different-diameter.
Further, described welding tracking device (3) also comprises a rail plate (34), and rail plate (34) is fixed on tracker standing part (31), and tracker movable part (32) is motion in described rail plate (34).
Further, the connecting portion following the tracks of bearing (35) is connected with the horizontal arm (321) of tracker movable part (32) by adjustment bolt (351), and bearing (35) operation angle is followed the tracks of in adjustment bolt (351) adjustment; The connecting portion following the tracks of bearing (35) is connected with the upright arm (322) of tracker movable part (32) by set bolt (352), and set bolt (352) plays the fixing effect following the tracks of bearing (35).
Further, described body of heater rotary tooling (5) comprises mounting platform, by running block (51), cylinder group (52) and motor (53), motor (53) groups of drive rolls (52) is rotated, cylinder group (52) drives boiler body (1) to rotate, and is supported the U type end socket (13) in rotating by running block (51).
Further, tell the gradient being provided with one or more cylinder adjustment mounting platform and boiler body (1) bottom mounting platform, to coordinate welding tracking device (3) and automatic submerged arc welding machine (2).
Further, outside boiler body (1), be arranged with many water pipes (12), between arbitrary neighborhood two water pipes (12), be welded into a body of heater closed by reinforcing bar or parting bead.
This automatic submerged arc welding machine, compared with traditional automatic submerged arc welding machine, has following beneficial effect:
(1) the present invention follows the moving part of welding tracking device to move under the thrust of stage clip due to submerged arc welding machine, and the tracking bearing of tracker againsts tube sheet does expanding-contracting action, ensures welding gun not from weld seam welding, ensure that welding quality and welding efficiency.
(2) after the present invention uses automatic submerged arc welding machine, welding quality, quantity can ensure, 2 workmans 8 hours just can complete a boiler body 4 weld seams.And ultrasound examination 100% is qualified, can be 1 people's operation when workman wants skilled.
Accompanying drawing explanation
Fig. 1: automatic submerged arc welding machine operating diagram of the present invention;
Fig. 2: boiler body structural representation in the present invention;
The close-up schematic view of Fig. 3: Fig. 2;
Fig. 4: the structural representation of automatic submerged arc welding machine of the present invention;
Fig. 5: tracker movable part structural representation in the present invention;
The close-up schematic view of Fig. 6: Fig. 1.
Description of reference numerals:
1-boiler body; 11-tube sheet; 12-water pipe; 13-U-shaped end socket; 14-weld seam; 2-submerged arc welding machine; 21-welding wire; 22-rifle head; 3-welding tracking device; 31-tracker standing part; 32-tracker movable part; 321-horizontal arm; 322-upright arm; 33-compression spring; 34-rail plate; 35-follow the tracks of bearing; 351-adjustment bolt; 352-set bolt; 4-manipulator; 5-body of heater rotary tooling; 51-by running block; 52-cylinder group; 53-motor; 6-body of heater rotating shaft; 7-cylinder.
Detailed description of the invention
Below in conjunction with Fig. 1 to Fig. 6, the present invention will be further described:
As shown in Figure 1, a kind of automatic submerged arc welding machine, submerged arc welding machine 2 is contained on welding tracking device 3, boiler body 1 is arranged on body of heater rotary tooling 5 and rotates, U-shaped end socket and the tube sheet junction of boiler body 1 are the weld seam needing to weld, and welding tracking device 3 is along with tube sheet 11 axial stretching of distortion, and this axle is also body of heater rotating shaft 6, and submerged arc welding machine 2 also correspondence does stretching motion to guarantee that welding gun follows weld seam 14 to walk all the time, thus ensure that welding quality and welding efficiency.
Body of heater rotary tooling 5 comprises mounting platform, by running block 51, cylinder group 52 and motor 53, motor 53 groups of drive rolls 51 is rotated, cylinder group 52 drives boiler body 1 to rotate, and is realized best stability by the U type end socket 13 that running block 51 supports in rotation.The gradient of one or more cylinder adjustment mounting platform and boiler body 1 is provided with, to coordinate the operating angle of welding tracking device 3 and automatic submerged arc welding machine 2 bottom mounting platform.
As shown in Figure 2, boiler body 1 comprises two U-shaped end sockets 13, many water pipes 12 and upper and lower two tube sheets 11.After tube sheet 11 welds with water pipe 12 due to rising-heat contracting-cold effect tube sheet 11 in axial direction variation more than 25 ㎜, that is weld seam axial direction changes 25 more than ㎜.A body of heater closed is welded into by reinforcing bar or parting bead between arbitrary neighborhood two water pipes 12.
As shown in Figure 3, the U-shaped end socket 13 of boiler body 1 is the weld seam 14 needing to weld with tube sheet 11 junction.
As shown in Figure 4, submerged arc welding machine 2 follows the moving part of welding tracking device 3 under the thrust of compression spring, and tracking bearing againsts tube sheet and does expanding-contracting action, ensures that welding gun does not weld from weld seam.
As shown in Fig. 5, described welding tracking device 3 comprises tracker standing part 31 and tracker movable part 32, follows
Track device standing part 31 is connected with a drive unit adjustment realizing vertical height position, and tracker movable part 32 is by pressure
The move under influence of power spring 33, tracker movable part 32 front end is provided with follows the tracks of bearing 35, follow the tracks of bearing 35 to be rolled by the tube sheet 11 that against boiler body 1 under the effect of compression spring 33 always, the two ends of compression spring 33 are connected between tracker movable part 32 and tracker standing part 31; Automatic submerged arc welding machine 2 is fixed on tracker movable part 32; Follow the tracks of bearing 35 to be connected with the horizontal arm 321 of tracker movable part 32 by adjustment bolt 351, adjustment bolt 351 adjusts follows the tracks of bearing 35 operation angle; Follow the tracks of bearing 35 to be connected with the upright arm 322 of tracker movable part 32 by set bolt 352, set bolt 352 plays the fixing effect following the tracks of bearing 35.
The operation principle of automatic submerged arc welding machine of the present invention is as follows:
Boiler body 1 rotates under body of heater rotary tooling 5 acts on.
Because submerged arc welding machine 2 is fixed on welding tracking device 3, tracker movable part 32 has expansion performance under compression spring 33 acts on, when the tube sheet 11 making the tracking bearing 35 of welding tracking device 3 be close to boiler body 1 all the time moves in a circle, also the welding gun of submerged arc welding machine 2 is made also to be positioned at the top of weld seam 14 all the time, just can carry out weld seam welding accurately in boiler body 1 rotary course, and not have deviation, welding quality is good, efficiency is high, and rosin joint situation can not occur.
The present invention is welded into boiler body 1 by automatic submerged arc welding machine, comprises two U-shaped end sockets 13, many water pipes 12 and upper and lower two tube sheets 11.A body of heater closed is welded into by reinforcing bar or parting bead between arbitrary neighborhood two water pipes 12.The boiler body that the present invention is welded into it ensures welding quality and welding efficiency.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious realization of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all in protection scope of the present invention without to improve.

Claims (4)

1. an automatic submerged arc welding machine, comprise welding tracking device (3), welding wire (21) and rifle head (22), it is characterized in that: described welding tracking device (3) comprises tracker standing part (31) and tracker movable part (32), tracker standing part (31) is connected with a drive unit adjustment realizing vertical height position, tracker movable part (32) is by the move under influence of compression spring (33), tracker movable part (32) front end is provided with follows the tracks of bearing (35), follow the tracks of bearing (35) to be rolled by the tube sheet (11) that against boiler body (1) under the effect of compression spring (33) always, the two ends of compression spring (33) are connected between tracker movable part (32) and tracker standing part (31), automatic submerged arc welding machine (2) is fixed on tracker movable part (32), boiler body (1) is arranged on body of heater rotary tooling (5) to realize own rotation, U-shaped end socket (13) and tube sheet (11) junction of boiler body (1) are the circular weld (14) needing to weld, the tracking bearing (35) of welding tracking device (3) along tube sheet (11) surface scrolls of distortion, and control automatic submerged arc welding machine (2) correspondence do stretching motion with guarantee rifle head (22) all the time and then described circular weld (14) walk, described drive unit is cylinder (7), cylinder
(7) boiler body (1) of welding tracking device (3) and automatic submerged arc welding machine (2) height and adaptation different-diameter is adjusted; The linkage section following the tracks of bearing (35) is connected with the horizontal arm (321) of tracker movable part (32) by adjustment bolt (351), and bearing (35) operation angle is followed the tracks of in adjustment bolt (351) adjustment; The connecting portion following the tracks of bearing (35) is connected with the upright arm (322) of tracker movable part (32) by set bolt (352), and set bolt (352) plays the fixing effect following the tracks of bearing (35).
2. automatic submerged arc welding machine according to claim 1, it is characterized in that: described welding tracking device (3) also comprises a rail plate (34), rail plate (34) is fixed on tracker standing part (31), and tracker movable part (32) is motion in described rail plate (34).
3. automatic submerged arc welding machine according to claim 1, it is characterized in that: described body of heater rotary tooling (5) comprises mounting platform, by running block (51), cylinder group (52) and motor (53), motor (53) groups of drive rolls (52) is rotated, cylinder group (52) drives boiler body (1) to rotate, and is supported the U-shaped end socket (13) in rotating by running block (51).
4. automatic submerged arc welding machine according to claim 3, is characterized in that: the gradient being provided with one or more cylinder adjustment mounting platform and boiler body (1) bottom described mounting platform, to coordinate welding tracking device (3) and automatic submerged arc welding machine (2).
CN201310297315.2A 2013-07-16 2013-07-16 A kind of automatic submerged arc welding machine Expired - Fee Related CN103433602B (en)

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CN103433602B true CN103433602B (en) 2015-08-12

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104003178B (en) * 2014-06-04 2016-09-14 昆山宝锦激光拼焊有限公司 A kind of pusher cylinder
CN108145288A (en) * 2017-12-25 2018-06-12 重庆蔡氏液压设备有限公司 A kind of submerged arc soldering equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102284773A (en) * 2011-07-28 2011-12-21 沈阳大学 Boiler internal circular seam submerged arc automatic welding machine
CN102962554A (en) * 2012-12-10 2013-03-13 南车长江车辆有限公司 Automatic welding device mechanically tracing fillet weld

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54126646A (en) * 1978-03-24 1979-10-02 Sanyo Electric Co Ltd Welder
JPS59113980A (en) * 1982-12-22 1984-06-30 Hitachi Ltd Automatic welding device
JPH0335024B2 (en) * 1983-03-10 1991-05-24 Nippon Steel Welding Prod Eng
JPH11197839A (en) * 1998-01-08 1999-07-27 Ishikawajima Harima Heavy Ind Co Ltd Circulation type flux feed device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102284773A (en) * 2011-07-28 2011-12-21 沈阳大学 Boiler internal circular seam submerged arc automatic welding machine
CN102962554A (en) * 2012-12-10 2013-03-13 南车长江车辆有限公司 Automatic welding device mechanically tracing fillet weld

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Inventor after: He Weixiong

Inventor before: Yu Li

TR01 Transfer of patent right

Effective date of registration: 20170425

Address after: 528313 Guangdong Province, Shunde District Chencun Town, one of the red flower Industrial Avenue, No. 3

Patentee after: Guangdong male industry welding equipment Co., Ltd.

Address before: Jiangdong District 315040 Zhejiang city of Ningbo province was driving road No. 1088 building 001 room 05 (4-1)

Patentee before: Ningbo Jiangdong Kehai Yuntuo Machinery Technology Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150812

Termination date: 20180716