CN106041269B - A kind of bar welder - Google Patents

A kind of bar welder Download PDF

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Publication number
CN106041269B
CN106041269B CN201610498714.9A CN201610498714A CN106041269B CN 106041269 B CN106041269 B CN 106041269B CN 201610498714 A CN201610498714 A CN 201610498714A CN 106041269 B CN106041269 B CN 106041269B
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China
Prior art keywords
welding gun
bar
scroll chuck
electromagnetic type
ceramic ring
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CN201610498714.9A
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Chinese (zh)
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CN106041269A (en
Inventor
王希凯
王克鸿
刘海金
张玉永
朱韩钢
彭勇
杨增海
尹凡
向阳
宋晨翔
张天齐
罗添元
方强
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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Publication of CN106041269A publication Critical patent/CN106041269A/en
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Classifications

    • 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
    • B23K9/00Arc welding or cutting
    • B23K9/16Arc welding or cutting making use of shielding gas
    • 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
    • B23K9/00Arc welding or cutting
    • B23K9/32Accessories

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)

Abstract

The invention discloses a kind of bar welders, including the first electromagnetic type arcing welding gun, second electromagnetic type arcing welding gun, welding gun fixture, welding gun frame, air supply plant, ceramic ring and ceramic ring fixture, wherein the first electromagnetic type arcing welding gun is symmetric with the second electromagnetic type arcing welding gun, welding gun frame roof is each passed through to connect with welding gun fixture, the intersection in upper bar and lower bar is arranged in ceramic ring, ceramic ring is fixed on by ceramic ring fixture on upper bar, air supply plant is arranged in welding gun frame, and ceramic ring and ceramic ring fixture are arranged in air supply plant cavity.The present invention optimizes bar butt-welding process, improves bar butt welding welding precision, improves welding quality.

Description

A kind of bar welder
Technical field
The invention belongs to welding equipments, and in particular to a kind of bar welder.
Background technology
There are two types of relatively conventional modes at present for the interconnection of rod piece, and one is flash butt welding, another kind is friction welding (FW). Friction welding (FW) requires to carry out high speed rotation to workpiece and applies upsetting force, this size and shape and the strength of materials to workpiece There are certain requirement, use scope limited.And the appearance of weld of flash butt welding is poor, does not protect gas shielded, influences weld seam matter Amount, at the same while welding splash and larger have a certain impact to personal safety.
Invention content
The purpose of the present invention is to provide a kind of bar welders, optimize bar butt-welding process, improve bar docking Welding precision is welded, welding quality is improved.
Realize that the technical solution of the object of the invention is:A kind of bar welder, including the first electromagnetic type arc discharge welding Rifle, the second electromagnetic type arcing welding gun, welding gun fixture, welding gun frame, air supply plant, ceramic ring and ceramic ring fixture, wherein first Electromagnetic type arcing welding gun is symmetric with the second electromagnetic type arcing welding gun, is each passed through welding gun frame roof and is connected with welding gun fixture It connects, the intersection in upper bar and lower bar is arranged in ceramic ring, and ceramic ring is fixed on upper bar by ceramic ring fixture, is supplied gas Device is arranged in welding gun frame, and ceramic ring and ceramic ring fixture are arranged in air supply plant cavity.
The first electromagnetic type arcing welding gun include fixed core, iron covering, dynamic iron core, connecting rod, electromagnetic coil, upper shell, in Shell, lower casing, linear bearing, lower spring pocket, upper spring pocket and spring, upper shell, middle shell, lower casing are from top to bottom successively It is connected, iron covering setting passes through iron covering center in cover top portion, dynamic iron core, and relative motion up and down, dynamic iron core position are carried out by screw thread Below fixed core, dynamic iron core bottom is connect by connector with connecting rod, and electromagnetic coil is sleeved on fixed core and dynamic iron core outer wall, and In shell, linear bearing is arranged in lower casing, and is sleeved on connecting rod, and connecting rod is solid through linear bearing, upper spring cutting ferrule It is scheduled on outer casing bottom, lower spring cutting ferrule is fixed on above connecting rod, wherein keeping axle center between upper spring pocket, connecting rod, lower spring pocket It is identical, and spring, the second electromagnetic type arcing welding gun and the first electromagnetic type arcing welding gun are equipped between upper spring pocket and lower spring pocket Structure is identical, and the first electromagnetic type arcing welding gun and the second electromagnetic type arcing welding gun are arranged at the top of welding gun fixture.
The welding gun fixture includes pallet, upper scroll chuck, lower scroll chuck and turntable, the first electromagnetic type arcing welding gun and Second electromagnetic type arcing welding gun is symmetricly set on tray top, and tray bottom is equipped with upper scroll chuck, and lower scroll chuck is by turning Disk is connected with welding gun base of frame;Air supply plant is arranged between upper scroll chuck and lower scroll chuck, and upper bar sequentially passes through Welding gun frame roof, pallet and upper scroll chuck center, and fixed with upper scroll chuck, lower bar sequentially passes through lower three-jaw card Disk, turntable and welding gun base of frame, and fixed with lower scroll chuck.
The air supply plant includes two protection gas hoods, two guide rails, two sliding blocks and two fixed sliding blocks, two protections Ring-shaped cylinder is constituted when gas hood closes up, two guide rail both ends disposed in parallel are fixed on welding gun frame by fixed sliding block, are protected Tyre protecting shield is slided by sliding block on guide rail;Guide rail is between upper scroll chuck and lower scroll chuck;Ceramic ring and ceramic ring Fixture is located in the cavity of ring-shaped cylinder.
The anode of the upper scroll chuck access direct current source of welding current, the cathode of the lower scroll chuck access direct current source of welding current, In upper scroll chuck pass through insulation measures with lower scroll chuck and ensure and electromagnetic type arcing welding gun, electromagnetic type arcing welding gun, welding gun Fixture, welding gun frame remain electrically isolated from.
The upper bar connector cutting is pointed at, and the connector of lower bar cuts into the straight angle.
The wedge angle is 130 ° ~ 160 °.
Compared with prior art, the present invention its remarkable advantage is:(1)By adjusting ceramic ring and ceramic ring fixture The bar of different-diameter is welded, it is 3mm-30mm that bar, which welds overall diameter,.
(2)Due to being passed through protection gas when welding bar, and application ceramic ring is protected, and the welding of welding point beautiful appearance lacks Sunken less, when welding the bar of same diameter, extra molten drop can go out drippage from ceramic ring, splash few, and work condition environment is excellent, Ensure connector uniform in shaping simultaneously, with little need for reprocessing.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of bar welder of the present invention.
Fig. 2 is a kind of electromagnetic type arcing welding gun schematic diagram of bar welder of the present invention.
Fig. 3 is a kind of one-piece parts structural schematic diagram of bar welder of the present invention.
Fig. 4 is the bar schematic diagram of step 1 when a kind of bar welder of the present invention welds bar.
Fig. 5 is the bar schematic diagram of step 2 when a kind of bar welder of the present invention welds bar.
Fig. 6 is the bar schematic diagram of step 3 when a kind of bar welder of the present invention welds bar.
Fig. 7 is the bar schematic diagram of step 4 when a kind of bar welder of the present invention welds bar.
Specific implementation mode
Present invention is further described in detail below in conjunction with the accompanying drawings.
The present apparatus utilizes two electromagnetic type arcing welding guns, connects scroll chuck, and welding bar is gripped by scroll chuck, Another welding bar is gripped using another scroll chuck simultaneously, is welded in the way of arcing, is utilized simultaneously Ceramic ring and protection gas protect weld seam, complete welding process.
In conjunction with Fig. 1 to Fig. 3, a kind of bar welder, including the first electromagnetic type arcing welding gun 1, the second electromagnetic type arcing Welding gun 2, welding gun fixture 3, welding gun frame 4, air supply plant 6, ceramic ring 51 and ceramic ring fixture 52, wherein the first electromagnetic type arcing Welding gun 1 is symmetric with the second electromagnetic type arcing welding gun 2, is each passed through 4 top of welding gun frame and is connect with welding gun fixture 3, is made pottery The intersection in upper bar 7 and lower bar 8 is arranged in ceramic ring 51, and ceramic ring 51 is fixed on by ceramic ring fixture 52 on upper bar 7, Air supply plant 6 is arranged in welding gun frame 4, and ceramic ring 51 and ceramic ring fixture 52 are arranged in 6 cavity of air supply plant.
The first electromagnetic type arcing welding gun 1 includes fixed core 10, iron covering 11, dynamic iron core 12, connecting rod 13, electromagnetic coil 14, upper shell 15, middle shell 16, lower casing 17, linear bearing 18, lower spring pocket 20, upper spring pocket 19 and spring, upper shell 15, middle shell 16, lower casing 17 pass sequentially through bolt and are connected from top to bottom, and the setting of iron covering 11 is in 15 top of shell, dynamic iron core 10 Across 11 center of iron covering, relative motion up and down is carried out by screw thread, dynamic iron core 12 is located at 10 lower section of fixed core, 12 bottom of dynamic iron core It is connect with connecting rod 13 by connector, connector is connect by bolt with dynamic iron core 12 and connecting rod 13, and electromagnetic coil 14 is sleeved on fixed Iron core 10 and 12 outer wall of dynamic iron core, and in shell 15, linear bearing 18 is arranged by gasket in lower casing 17, and is sleeved on On connecting rod 13, connecting rod 13 is bolted on 15 bottom of shell, lower spring cutting ferrule through linear bearing 18, upper spring cutting ferrule 19 20 are bolted on 13 top of connecting rod, wherein keep axle center identical between upper spring pocket 19, connecting rod 13, lower spring pocket 20, And spring, the second electromagnetic type arcing welding gun 2 and the first electromagnetic type arcing welding gun 1 are equipped between upper spring pocket 19 and lower spring pocket 20 Structure is identical, and the first electromagnetic type arcing welding gun 1 and the setting of the second electromagnetic type arcing welding gun 2 are at 3 top of welding gun fixture.
The welding gun fixture 3 includes pallet 31, upper scroll chuck 32, lower scroll chuck 33 and turntable 34, the first electromagnetic type Arcing welding gun 1 and the second electromagnetic type arcing welding gun 2 are symmetricly set on 31 top of pallet, and 31 bottom of pallet is equipped with upper scroll chuck 32, it is bolted, lower scroll chuck 33 is connected by turntable 34 and 4 bottom of welding gun frame;Air supply plant 6 is arranged upper three Between dog chuck 32 and lower scroll chuck 33, upper bar 7 sequentially passes through 4 top of welding gun frame, pallet 31 and upper scroll chuck 32 Center, and fixed with upper scroll chuck 32, lower bar 8 sequentially passes through 4 bottom of lower scroll chuck 33, turntable 34 and welding gun frame, And it is fixed with lower scroll chuck 33.
The air supply plant 6 includes two protection 63, two, guide rail sliding blocks 67 of gas hood 61, two and two fixed sliding blocks 65, two protection gas hoods 61 constitute ring-shaped cylinder when closing up, and two 63 both ends of guide rail disposed in parallel are bolted on solid It on fixed slider 65, and is fixed on welding gun frame 4 by fixed sliding block 65, protection gas hood 61 is bolted on sliding block 67 On, protection gas hood 61 is slided by sliding block 67 on guide rail 63;Guide rail 63 be located at upper scroll chuck 32 and lower scroll chuck 33 it Between;Ceramic ring 51 and ceramic ring fixture 52 are located in the cavity of ring-shaped cylinder.
Upper scroll chuck 32 accesses the anode of the direct current source of welding current, and lower scroll chuck 33 accesses the negative of the direct current source of welding current Pole, wherein upper scroll chuck 32 is ensured and electromagnetic type arcing welding gun 1, electromagnetic type arcing with lower scroll chuck 33 by insulation measures Welding gun 2, welding gun fixture 3, welding gun frame 4 remain electrically isolated from.
7 connector of the upper bar cutting is pointed at, and the connector of lower bar 8 cuts into the straight angle, and the diameter of upper bar 7 is not small In the diameter of lower bar 8.
The wedge angle is 130 ° ~ 160 °.
In conjunction with Fig. 4 to Fig. 7, bar is welded using bar welder of the present invention, steps are as follows:
Upper bar 7 to be welded is inserted into upper scroll chuck 31 by step 1, is fixed by chuck, later by ceramic ring 52 are fixed on by ceramic ring fixture 51 on bar 7, another lower bar 8 to be welded is inserted into lower scroll chuck 33 later Interior, there are the distances of 1mm or so between holding bar section, are fixed on later on lower scroll chuck 33, then pass through turntable 34 It promotes lower bar 8 and arrives predetermined altitude, this is highly determined by welding gun connecting rod decrement.
Two step 2, adjustment protection 61 slid inwards of gas hood are contacted to end face, are then locked, are led at this time to inside gas hood Enter and protect gas, is kept for a period of time.
Step 3 is passed through electric current, vertebra the top of the horn end transient evaporation, and electromagnetic type arc discharge welding is given in interval after 0.05 second to 0.06 second Rifle 1 is powered and is powered to upper bar 7, is promoted and keeps 0.8s to 1.2s with vertebra angle rod material to 2mm-3mm, is then drawn to electromagnetic type Arc welding torch 1 is powered and is powered off to upper bar 7, completes main welding process.
After step 4, welding, a period of time protection gas is maintained, protection gas hood 61 is moved to both sides later, unloads pottery Ceramic ring fixture 51 clears up ceramic ring 52, unclamps two scroll chucks 32, the bar being welded is gone out extraction from chuck and can be completed Welding.
The advantage of the invention is that can be welded to the bar of different-diameter with ceramic ring fixture by adjusting ceramic ring It connects, it is 3mm-30mm that bar, which welds overall diameter,.Due to being passed through protection gas when welding bar, and application ceramic ring is protected, welding Connector beautiful appearance weld defect is less, and when welding the bar of same diameter, extra molten drop can go out drippage from ceramic ring, fly It splashes less, work condition environment is excellent, while ensureing connector uniform in shaping, with little need for reprocessing.

Claims (5)

1. a kind of bar welder, it is characterised in that:Including the first electromagnetic type arcing welding gun (1), the second electromagnetic type arc discharge welding Rifle (2), welding gun fixture (3), welding gun frame (4), air supply plant (6), ceramic ring (51) and ceramic ring fixture (52), wherein first Electromagnetic type arcing welding gun (1) is symmetric with the second electromagnetic type arcing welding gun (2), be each passed through at the top of welding gun frame (4) with Welding gun fixture (3) connects, and the intersection in upper bar (7) and lower bar (8) is arranged in ceramic ring (51), and ceramic ring (51) passes through pottery Ceramic ring fixture (52) is fixed on bar (7), and air supply plant (6) setting is in welding gun frame (4), and ceramic ring (51) and pottery Ceramic ring fixture (52) is arranged in air supply plant (6) cavity;
The first electromagnetic type arcing welding gun (1) includes fixed core (10), iron covering (11), dynamic iron core (12), connecting rod (13), electromagnetism Coil (14), upper shell (15), middle shell (16), lower casing (17), linear bearing (18), lower spring pocket (20), upper spring pocket (19) it is connected successively from top to bottom with spring, upper shell (15), middle shell (16), lower casing (17), iron covering (11) is arranged outside At the top of shell (15), dynamic iron core (10) passes through iron covering (11) center, carries out relative motion up and down by screw thread, dynamic iron core (12) is located at Below fixed core (10), dynamic iron core (12) bottom is connect by connector with connecting rod (13), and electromagnetic coil (14) is sleeved on fixed core (10) with dynamic iron core (12) outer wall, and in the shell (15), linear bearing (18) setting is in lower casing (17), and the company of being sleeved on On bar (13), connecting rod (13) is fixed on shell (15) bottom, lower spring cutting ferrule through linear bearing (18), upper spring cutting ferrule (19) (20) it is fixed on above connecting rod (13), wherein keeping axle center phase between upper spring pocket (19), connecting rod (13), lower spring pocket (20) Together, and between upper spring pocket (19) and lower spring pocket (20) spring, the second electromagnetic type arcing welding gun (2) and the first electromagnetic type are equipped with Arcing welding gun (1) structure is identical, and the first electromagnetic type arcing welding gun (1) and the setting of the second electromagnetic type arcing welding gun (2) are pressed from both sides in welding gun Have at the top of (3);
The welding gun fixture (3) includes pallet (31), upper scroll chuck (32), lower scroll chuck (33) and turntable (34), and first Electromagnetic type arcing welding gun (1) and the second electromagnetic type arcing welding gun (2) are symmetricly set at the top of pallet (31), and pallet (31) bottom is set There are upper scroll chuck (32), lower scroll chuck (33) to be connected by turntable (34) and welding gun frame (4) bottom;Air supply plant (6) It is arranged between upper scroll chuck (32) and lower scroll chuck (33), upper bar (7) sequentially passes through at the top of welding gun frame (4), holds in the palm Disk (31) and upper scroll chuck (32) center, and it is fixed with upper scroll chuck (32), lower bar (8) sequentially passes through lower scroll chuck (33), turntable (34) and welding gun frame (4) bottom, and it is fixed with lower scroll chuck (33).
2. bar welder according to claim 1, it is characterised in that:The air supply plant (6) includes two protections Gas hood (61), two guide rails (63), two sliding blocks (67) and two fixed sliding blocks (65), structure when two protection gas hoods (61) are closed up Cylinder is circularized, two guide rail (63) both ends disposed in parallel are fixed on welding gun frame (4) by fixed sliding block (65), are protected Gas hood (61) is slided by sliding block (67) on guide rail (63);Guide rail (63) is located at upper scroll chuck (32) and lower scroll chuck (33) between;Ceramic ring (51) and ceramic ring fixture (52) are located in the cavity of ring-shaped cylinder.
3. bar welder according to claim 2, it is characterised in that:Upper scroll chuck (32) access direct current welding electricity The anode in source, the cathode of lower scroll chuck (33) the access direct current source of welding current, wherein upper scroll chuck (32) and lower scroll chuck (33) ensured and electromagnetic type arcing welding gun (1), electromagnetic type arcing welding gun (2), welding gun fixture (3), welding gun frame by insulation measures Frame (4) remains electrically isolated from.
4. bar welder according to claim 1, it is characterised in that:Upper bar (7) the connector cutting is pointed at, The connector of lower bar (8) cuts into the straight angle.
5. bar welder according to claim 4, it is characterised in that:The wedge angle is 130 °~160 °.
CN201610498714.9A 2016-06-29 2016-06-29 A kind of bar welder Active CN106041269B (en)

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CN201610498714.9A CN106041269B (en) 2016-06-29 2016-06-29 A kind of bar welder

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CN106041269B true CN106041269B (en) 2018-07-31

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004060389A1 (en) * 2004-12-14 2006-07-06 Nelson Bolzenschweiß-Technik GmbH & Co. KG Stud welded of parts with oblong, plane or curved surfaces, with addition of shielding gas to the welding site generally useful in electric arc stud welding with dipping of the part in the workpiece melt after a predetermined time
CN102114567A (en) * 2009-12-31 2011-07-06 南京理工大学 Robotic automatic large-diameter stud welding gun
CN102114568A (en) * 2009-12-31 2011-07-06 南京理工大学 Stud flexible welding device and method
CN203265851U (en) * 2013-04-27 2013-11-06 张家港华东锅炉有限公司 Welding device for welding pin to pin tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100065532A1 (en) * 2008-08-07 2010-03-18 Clark Champney Sealed and pressurized gun for underwater welding
KR20130123964A (en) * 2012-05-04 2013-11-13 조현규 Stud welding gun

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004060389A1 (en) * 2004-12-14 2006-07-06 Nelson Bolzenschweiß-Technik GmbH & Co. KG Stud welded of parts with oblong, plane or curved surfaces, with addition of shielding gas to the welding site generally useful in electric arc stud welding with dipping of the part in the workpiece melt after a predetermined time
CN102114567A (en) * 2009-12-31 2011-07-06 南京理工大学 Robotic automatic large-diameter stud welding gun
CN102114568A (en) * 2009-12-31 2011-07-06 南京理工大学 Stud flexible welding device and method
CN203265851U (en) * 2013-04-27 2013-11-06 张家港华东锅炉有限公司 Welding device for welding pin to pin tube

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