CN102825404B - Flange component welding special machine - Google Patents

Flange component welding special machine Download PDF

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Publication number
CN102825404B
CN102825404B CN201210372532.9A CN201210372532A CN102825404B CN 102825404 B CN102825404 B CN 102825404B CN 201210372532 A CN201210372532 A CN 201210372532A CN 102825404 B CN102825404 B CN 102825404B
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CN
China
Prior art keywords
welding
hollow shaft
tray
welding machine
slide plate
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.)
Expired - Fee Related
Application number
CN201210372532.9A
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Chinese (zh)
Other versions
CN102825404A (en
Inventor
高德成
徐丽丽
张海滨
朱娟
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Weichai Heavy Machinery Co Ltd
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Weichai Heavy Machinery 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 Weichai Heavy Machinery Co Ltd filed Critical Weichai Heavy Machinery Co Ltd
Priority to CN201210372532.9A priority Critical patent/CN102825404B/en
Publication of CN102825404A publication Critical patent/CN102825404A/en
Application granted granted Critical
Publication of CN102825404B publication Critical patent/CN102825404B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a flange component welding special machine which comprises a rack and an electric welding machine, wherein the rack is connected with a main shaft, a swing motive power device as well as a welding gun fixing device; the swing motive power device drives the main shaft to swing; the main shaft is fixedly connected with a main working bench; the main working bench is at least provided with two welding areas which are oppositely arranged; each welding area is internally provided with a welding working table which is connected to the main working bench and is driven by a rotary driving device; the welding working bench comprises a hollow shaft which is rotatably connected to the main working bench and is connected with the rotary driving device in a motive mode; the hollow shaft is internally provided with an electric conducting mandrel which is matched with the hollow shaft in an insulation mode and can rotate as the hollow shaft; the upper end part of the hollow shaft or the electric conducting shaft is connected with a workpiece supporting plate which only forms electric connecting relationship with the electric conducting mandrel; the lower end part of the electric conducting mandrel is rotatably connected with an electric conducting ring which forms electric connecting relationship with the electric conducting mandrel; and electric conducting ring is electrically connected with the negative electrode of the electric welding machine. The device can be used for achieving continuous welding, improving the working efficiency, and lowering the labor intensity of workers.

Description

Flange assembly special welding machine
Technical field
The present invention relates to a kind of special welding machine of flange assembly.
Background technology
The flange welding of existing shaft coupling is manual welding, and manual welding exists following shortcoming: welding quality is easily affected by human factors, and welding quality is difficult to ensure; Production efficiency is low, and labor strength is large, and production cost is high.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of flange assembly special welding machine that can enhance productivity and reduce labour intensity for above-mentioned defect.
For solving the problems of the technologies described above, the invention provides a kind of flange assembly special welding machine of following structure, comprise frame and electric welding machine, its design feature is swing power set and the welding gun fixture that is rotatably connected to main shaft in frame, is connected with drive shaft swing; On main shaft, be connected with main workbench, on main workbench, be at least provided with two weld zones that are oppositely arranged, in each weld zone, be equipped with and be rotatably connected on the welding bench driving on main workbench and by the device for revolving and driving being connected on main workbench; Described welding bench comprises and is rotatably connected on the hollow shaft being connected on main workbench and with device for revolving and driving power, in hollow shaft, be equipped with hollow shaft Insulation Coordination and can with hollow shaft rotate conduction mandrel, hollow shaft or conduction mandrel upper end are connected with the tray for work pieces that only forms electrical connection with conduction mandrel, the bottom of conduction mandrel is rotationally connected and conducts electricity mandrel and form the conducting ring of electrical connection, and conducting ring is connected with the negative electricity of electric welding machine.
Described tray for work pieces is three-decker, is followed successively by from top to bottom top tray, insulation thermal insulating disc and lower tray; Tray for work pieces is directly enclosed within on conduction mandrel, or the insulation thermal insulating disc of tray for work pieces and lower tray be sleeved in hollow shaft, only has top tray to be sleeved on conduction mandrel.Conduction mandrel is connected with the negative electricity of electric welding machine, make whole special welding machine form galvanic circle, due to conduction mandrel and hollow shaft Insulation Coordination, the bearing that efficiently solves device for revolving and driving is fulgerized and is burnt the problem of wearing and tearing, improve the service life of bearing, reduced the rate of breakdown of special welding machine.
Insulation thermal insulating disc and the lower tray of described tray for work pieces are sleeved in hollow shaft, conduction mandrel is fixed in top tray, between conduction mandrel and the inwall of hollow shaft, be provided with clearance for insulation, hollow shaft can drive tray for work pieces to rotate stably, thereby the mandrel that makes to conduct electricity also rotates thereupon, and this kind of arrangement works stability is high.
Described welding gun fixture comprises the support being connected with frame, slidably connects slide plate on support, is connected with the adjustable welding gun installing rack of angle on slide plate, and support is provided with the slippage retaining mechanism that can order about slide plate slippage and slide plate can be locked.
Described slippage retaining mechanism comprises the screw rod that is fixed in respectively slide plate two ends, and two screw rods passes from the two ends of support respectively, is bolted with respectively nut on two screw rods.To the nut of same direction rotation two screw rods, screw rod moves simultaneously, and slide plate moves with screw rod, thereby drives welding gun installing rack to move, and then realizes the adjusting of welding gun.
One end of described welding gun installing rack is provided with circular hole, the other end is provided with long arc hole, on slide plate, be connected with respectively and corresponding two bolts in long arc hole and circular hole position, one end of welding gun installing rack is connected with slide plate with the nut being spirally connected thereon by a bolt that passes circular hole, and the other end of welding gun installing rack is connected with slide plate with the nut being spirally connected thereon by another bolt that passes long arc hole.Welding gun installing rack rotates centered by circular hole, thereby regulates the angle of welding gun and then the height of control welding gun, after welding gun height regulates, the nut corresponding with long arc hole is tightened, thereby welding gun installing rack is fixed.
In described each weld zone, be at least provided with two welding benches, welding bench in same weld zone is driven by same device for revolving and driving, the quantity of the welding bench in maximum that weld zone of the quantity of welding gun fixture and welding bench quantity is corresponding, can weld multiple workpiece simultaneously, increase work efficiency.
The end face of described tray for work pieces is provided with the alignment pin for workpiece plug-in mounting.
The outline of described alignment pin cross section is connected to the polygon of same circle in being, design can make the contact-making surface of alignment pin and workpiece little like this, not only can ensure positioning precision, and is convenient to the handling of workpiece.
Adopt after said structure, when use, welding gun is fixed by welding gun fixture, the stability of welding gun while ensureing welding, away from the weld zone of welding gun as upper station, another weld zone is as welding post, when use at upper station to welding bench material loading, swing the rotation of power set drive shaft, and then drive main worktable rotary by changing of workpieces to welding torch position corresponding position, start electric welding machine and device for revolving and driving, when welding gun welds workpiece, device for revolving and driving drives hollow shaft revolution, and then drive welding bench to turn round, thereby workpiece is rotated, realize the automatic welding of workpiece, ensure welding quality, in welding time, is to being positioned at the welding bench material loading again of upper station, weld rear main workbench reversion, welding gun continues the workpiece welding to being positioned at welding post, at upper station, the workpiece having welded is taken off and then welding bench material loading to this station simultaneously, realize and so forth continuous welding, increase work efficiency, reduce labor strength.
In sum, the invention has the advantages that: welding efficiency is high, welding quality is good, and labour intensity is low.
Brief description of the drawings
Below in conjunction with the drawings and the specific embodiments, the present invention is described in further detail:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the enlarged diagram that Fig. 1 analyses and observe along A-A line;
Fig. 4 is the enlarged diagram of C part in Fig. 1;
Fig. 5 is the cross-sectional schematic of Fig. 4 along B-B line.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3; flange assembly special welding machine comprises frame 1 and electric welding machine 2; electric welding machine 2 is using carbon dioxide as protective gas; in frame 1, be rotatably connected to the main shaft 14 of vertical setting and be connected with swing power set and the welding gun fixture that drive shaft 14 swings, swinging power set is the rotary cylinder 6 that is arranged on frame 1 bottom.On main shaft 14, be connected with the main workbench 3 of horizontally disposed circle, main shaft 14 and the concentric setting of main workbench 3, rotary cylinder 6 can drive shaft 14 forward or reverse, thereby can realize main workbench 3 forward or reverse in horizontal plane.On main workbench 3, be at least provided with two weld zones that are oppositely arranged 10, each weld zone 10 is interior is all at least provided with two welding benches that are rotatably connected on main workbench 3, welding bench is driven by the device for revolving and driving being connected on main workbench 3 bottom surfaces, welding bench in same weld zone 10 is driven by same device for revolving and driving, device for revolving and driving is the motor 8 that is fixed on main workbench 3 bottom surfaces, and motor 8 drives welding bench by gear transmission chain 7.The quantity of the welding bench in the quantity of welding gun fixture that weld zone maximum with welding bench quantity is corresponding.In figure, only show two weld zones that are oppositely arranged, respectively establish two welding benches in each weld zone, therefore in the present embodiment, the quantity of welding gun fixture is also two.The present invention is not limited to this kind of embodiment, for example, on main workbench 3, four weld zones can be set; The welding bench of same weld zone also can be driven by different device for revolving and driving, as long as the rotating speed of the welding bench of the same weld zone of guarantee unanimously, realizes welding synchronously so that be positioned at the workpiece of same weld zone.In frame 1, be preferably between two weld zones welding division board is set, two weld zones are separated, while preventing from welding, spark splashes affects workman's material loading.
Described welding bench comprises the hollow shaft 71 being rotatably connected on main workbench 3, and hollow shaft 71 is connected with motor 8 power by gear transmission chain 7.In hollow shaft 71, be equipped with and hollow shaft 71 Insulation Coordination and the conduction mandrel 72 that can rotate with hollow shaft 71, hollow shaft 71 or conduction mandrel 72 upper ends are connected with the tray for work pieces 4 that only forms electrical connection with conduction mandrel 72, the bottom of conduction mandrel 72 is rotationally connected and conducts electricity mandrel 72 and form the conducting ring 13 of electrical connection, and conducting ring 13 is connected with the negative electricity of electric welding machine 2 by wire 12.Tray for work pieces 4 is three-decker, is followed successively by from top to bottom top tray 42, insulation thermal insulating disc 43 and lower tray 44, and top tray 42, insulation thermal insulating disc 43 and lower tray 44 fix as one.The end face of tray for work pieces 4 is that top tray 42 is provided with the alignment pin 41 for workpiece plug-in mounting, the outline of the cross section of alignment pin 41 is connected to the polygon of same circle in being, the approximate equilateral triangle of the outline of alignment pin 41 cross sections in the present embodiment, when use, workpiece is enclosed within on alignment pin 41, each summit and the workpiece inwall of alignment pin 41 are adjacent to, realize the accurate location of workpiece, while ensureing welding, workpiece is stable, thereby ensures the precision of welding.Conduction mandrel 72 can be in the following ways with the connected mode of hollow shaft 71, the mandrel 72 that conducts electricity is provided with spline, in hollow shaft 71, be provided with spline, conduction mandrel 72 is realized and being connected with the power of hollow shaft 71 by the tight spline inserting in spline, but take this connected mode and between spline and spline, insulating barrier will be set between hollow shaft 71 and conduction mandrel 72, so that hollow shaft 71 and conduction mandrel 72 are realized Insulation Coordination; Adopt in this way, tray for work pieces 4 can directly be fixed on conduction mandrel 72, but will ensure the top tray 42 and conduction mandrel 72 close contacts of tray for work pieces 4, so that tray for work pieces 4 forms good conduction annexation with conduction mandrel 72; The power connected mode of above-mentioned hollow shaft 71 and conduction mandrel 72 is not shown in the drawings.The connected mode of the hollow shaft 7 that embodiment adopts and conduction mandrel 72 as shown in Figure 3, the insulation thermal insulating disc 43 of tray for work pieces 4 and lower tray 44 are fixed in hollow shaft 71, top tray 42 does not contact with hollow shaft 71, upper end and the top tray 42 of conduction mandrel 72 are affixed, conduction mandrel 72 is suspended in hollow shaft 71 by top tray 42, between inwall, insulation thermal insulating disc 43 and the lower tray 44 of conduction mandrel 72 and hollow shaft 71, all leave clearance for insulation, that is to say that conduction mandrel 72 is connected with the power of hollow shaft 71 by tray for work pieces 4 realizations; When welding, electric current only flows back to electric welding machine 2 by conduction mandrel 72, can prevent electric current flow through its place and the burning of fulgerizing to the bearing on rotatable parts that causes, in the service life that can effectively improve bearing, has reduced the rate of breakdown of special welding machine.
Below with reference to Fig. 4 and Fig. 5 and taking Fig. 4 and Fig. 5, the direction on drawing is described as benchmark Butt welding gun fixture.Welding gun fixture comprises the support 9 being fixed in frame 1, and the connecting plate that support 9 is connected as a single entity by two end plates with by two end plates forms; In the two end plates of support 9, be connected with the axis of guide 96, on the axis of guide 96, slidably connect slide plate 95, on the vertical plane of slide plate 95, be connected with the adjustable welding gun installing rack 97 of angle, the vertical plane of welding gun installing rack 97 is provided with welding gun clamp mechanism 91, welding gun clamp mechanism 91 is prior art, do not repeat them here, on support 9, be also provided with the slippage retaining mechanism that can order about slide plate 95 slippages and slide plate 95 can be locked.Slippage retaining mechanism comprises the screw rod 93 that is fixed in respectively slide plate 95 two ends, left and right, and two screw rods 93 passes respectively the two end plates of support 9, and two screw rods 93 can slide with slide plate 95, is bolted with respectively nut 94 on two screw rods 93.Unclamp the nut 94 of left end, screw the nut 94 of right-hand member simultaneously, can make slide plate 95 move right; Otherwise, can realize slide plate 95 and be moved to the left.No matter slide plate 95 moves to left or moves to right, as long as just move into place, two nuts 94 is locked, and can realize the locking of slide plate 95.Slide plate 95 left and right slippages are also moved welding gun installing rack 97 thereupon, thereby realize the left and right adjusting of welding gun 5.The right-hand member of welding gun installing rack 97 is provided with circular hole, left end is provided with long arc hole 92, slide plate 95 two ends, left and right are connected with respectively and corresponding two bolts in long arc hole 92 and circular hole position, right bolt 99 passes the circular hole of welding gun installing rack 97 and in the section of exposing, is bolted with nut, and left bolt 951 passes the long arc hole 92 of welding gun installing rack 97 and at the section of the exposing nut that is spirally connected.The fastening welding gun installing rack 97 of realizing by two nuts is fixed.Two nuts are suitably unclamped, and the left end that promotes up and down welding gun installing rack 97 can be realized the angular adjustment of welding gun installing rack 97, and then can realize the adjustment of welding gun 5 soldering angles.
This device can adopt electrical control, realizes the full-automation of special welding machine.

Claims (10)

1. a flange assembly special welding machine, comprises frame (1) and electric welding machine (2), it is characterized in that in frame (1), being rotatably connected to main shaft (14), is connected with swing power set and welding gun fixture that drive shaft (14) swings, on main shaft (14), be connected with main workbench (3), on main workbench (3), be at least provided with two weld zones that are oppositely arranged (10), in each weld zone (10), be equipped with and be rotatably connected on main workbench (3) welding bench upper and that driven by the device for revolving and driving being connected on main workbench (3), described welding bench comprises and is rotatably connected on the hollow shaft (71) that main workbench (3) is upper and be connected with device for revolving and driving power, in hollow shaft (71), be equipped with hollow shaft (71) Insulation Coordination and can with hollow shaft (71) rotate conduction mandrel (72), hollow shaft (71) or conduction mandrel (72) upper end are connected with the tray for work pieces (4) that only forms electrical connection with conduction mandrel (72), the bottom of conduction mandrel (72) is rotationally connected and conducts electricity mandrel (72) and form the conducting ring (13) of electrical connection, conducting ring (13) is connected with the negative electricity of electric welding machine (2).
2. flange assembly special welding machine according to claim 1, is characterized in that described tray for work pieces (4) is for three-decker, is followed successively by from top to bottom top tray (42), insulation thermal insulating disc (43) and lower tray (44); Tray for work pieces (4) is directly enclosed within on conduction mandrel (72).
3. flange assembly special welding machine according to claim 1, is characterized in that described tray for work pieces (4) is for three-decker, is followed successively by from top to bottom top tray (42), insulation thermal insulating disc (43) and lower tray (44); It is upper that the insulation thermal insulating disc (43) of tray for work pieces (4) and lower tray (44) are sleeved on hollow shaft (71), only has top tray (42) to be sleeved on conduction mandrel (72).
4. flange assembly special welding machine according to claim 3, the insulation thermal insulating disc (43) and the lower tray (44) that it is characterized in that described tray for work pieces (4) are sleeved in hollow shaft (71), it is upper that conduction mandrel (72) is fixed in top tray (42), between conduction mandrel (72) and the inwall of hollow shaft (71), is provided with clearance for insulation.
5. according to the flange assembly special welding machine described in claim 1,2,3 or 4, it is characterized in that described welding gun fixture comprises the support (9) being connected with frame (1), on support (9), slidably connect slide plate (95), on slide plate (95), be connected with the adjustable welding gun installing rack of angle (97), support (9) is provided with the slippage retaining mechanism that can order about slide plate (95) slippage and slide plate (95) can be locked.
6. flange assembly special welding machine according to claim 5, it is characterized in that described slippage retaining mechanism comprises the screw rod (93) that is fixed in respectively slide plate (95) two ends, two screw rods (93) passes from the two ends of support (9) respectively, and two screw rods is bolted with respectively nut on (93).
7. flange assembly special welding machine according to claim 5, the one end that it is characterized in that described welding gun installing rack (97) is provided with circular hole, the other end is provided with long arc hole (92), on slide plate (95), be connected with respectively and corresponding two bolts in long arc hole (92) and circular hole position, one end of welding gun installing rack (97) is connected with slide plate (95) with the nut being spirally connected thereon by a bolt that passes circular hole, and the other end of welding gun installing rack (97) is connected with slide plate (95) with the nut being spirally connected thereon by another bolt that passes long arc hole (92).
8. flange assembly special welding machine according to claim 1, it is characterized in that being at least provided with two welding benches in described each weld zone (10), welding bench in same weld zone (10) is driven by same device for revolving and driving, and the quantity of the welding bench in maximum that weld zone of the quantity of welding gun fixture and welding bench quantity is corresponding.
9. flange assembly special welding machine according to claim 1, is characterized in that the end face of described tray for work pieces (4) is provided with the alignment pin (41) for workpiece plug-in mounting.
10. flange assembly special welding machine according to claim 9, the outline that it is characterized in that described alignment pin (41) cross section is connected to the polygon of same circle in being.
CN201210372532.9A 2012-09-29 2012-09-29 Flange component welding special machine Expired - Fee Related CN102825404B (en)

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CN102825404B true CN102825404B (en) 2014-10-01

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103302435B (en) * 2013-06-09 2015-08-12 秦皇岛北方管业有限公司 A kind of metal compensator common group Welding device
CN103286424B (en) * 2013-06-18 2015-12-23 申达电气集团有限公司 A kind of flange automatic soldering device of installation for transformer
CN116900610B (en) * 2023-09-12 2023-11-21 德州尚龙环境科技有限公司 Multi-angle welding table for fan impeller

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CN201471103U (en) * 2009-08-05 2010-05-19 南通明德重工有限公司 Flange welding machine
CN201543947U (en) * 2009-11-24 2010-08-11 山东交通职业学院 Dedicated welding machine for connecting flanges of tubular and cylindrical parts
CN201693308U (en) * 2010-05-20 2011-01-05 杭州欣诚祥机电技术有限公司 External welding gun pendulous device for automatic straight pipe flange welding machine
CN201693317U (en) * 2010-05-20 2011-01-05 杭州欣诚祥机电技术有限公司 Inner welding gun swinging device for automatic straight tube flange welding machine
CN102049643A (en) * 2011-01-27 2011-05-11 潍柴重机股份有限公司 Inner circular seam welding machine system and inner circular seam welding method
CN102653042A (en) * 2012-04-18 2012-09-05 徐州华恒机器人系统有限公司 Sleeve robot welding, automatic positioning and clamping device
CN202780294U (en) * 2012-09-29 2013-03-13 潍柴重机股份有限公司 Welding machine special for flange assembly

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KR100383041B1 (en) * 2001-03-22 2003-05-12 주식회사 수림 Jig for Welding Flange of Bellows Pipe
JP3906404B2 (en) * 2001-04-14 2007-04-18 好高 青山 Parts welding equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3434152A1 (en) * 1984-09-11 1986-03-20 Maschinenfabrik Karl Brieden & Co, 4630 Bochum Apparatus for the production of flanged tubes from starting tubes, preferably hardened on the inside consisting, for example, of concentrically arranged tubes of differing hardness
CN201471103U (en) * 2009-08-05 2010-05-19 南通明德重工有限公司 Flange welding machine
CN201543947U (en) * 2009-11-24 2010-08-11 山东交通职业学院 Dedicated welding machine for connecting flanges of tubular and cylindrical parts
CN201693308U (en) * 2010-05-20 2011-01-05 杭州欣诚祥机电技术有限公司 External welding gun pendulous device for automatic straight pipe flange welding machine
CN201693317U (en) * 2010-05-20 2011-01-05 杭州欣诚祥机电技术有限公司 Inner welding gun swinging device for automatic straight tube flange welding machine
CN102049643A (en) * 2011-01-27 2011-05-11 潍柴重机股份有限公司 Inner circular seam welding machine system and inner circular seam welding method
CN102653042A (en) * 2012-04-18 2012-09-05 徐州华恒机器人系统有限公司 Sleeve robot welding, automatic positioning and clamping device
CN202780294U (en) * 2012-09-29 2013-03-13 潍柴重机股份有限公司 Welding machine special for flange assembly

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