CN103406641B - Marine diesel engine piston external nickel-based material swing welding device - Google Patents
Marine diesel engine piston external nickel-based material swing welding device Download PDFInfo
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- CN103406641B CN103406641B CN201310363992.XA CN201310363992A CN103406641B CN 103406641 B CN103406641 B CN 103406641B CN 201310363992 A CN201310363992 A CN 201310363992A CN 103406641 B CN103406641 B CN 103406641B
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- slide block
- dovetail
- swing
- crank
- sliding block
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Abstract
The invention discloses a marine diesel engine piston external nickel-based material swing welding device, and belongs to the welding processing equipment. The welding device comprises a driving motor, a reduction gearbox, a bracket, a welding gun clamping mechanism, a crank eccentricity adjusting mechanism and a dovetail groove type swing sliding block mechanism; in the welding process, the driving motor is used for driving a crank pin roller to slide in a sliding chute of the swing sliding block through a worm gear output shaft of the reduction gearbox and the crank eccentricity adjusting mechanism so that a dovetail sliding block inclined roller, a dovetail sliding block guide slot roller and a dovetail sliding block on the swing sliding block are capable of slipping to left or right on respective slide; and a connecting rod and the welding gun clamping mechanism connected with the swing sliding block further swing left and right. The welding device is capable of enabling the electric arc to swing slightly, the swing amplitude is not more than 3 times the diameter of a welding stick or a welding rod; and meanwhile, for overcoming the undercut defect which is capable of producing in the swing process of the electric arc, the electric arc is capable of pausing when swinging to the extreme position at each side, so that the molten metal can be used for filling in the undercut part with enough time.
Description
Technical field
The present invention relates to a kind of marine diesel engine piston and push up nickel-base material welder outward, belong to marine diesel engine piston head and manufacture welding processing technical field.
Technical background
The deposition welding that current marine diesel engine piston head pushes up nickel-base material is outward a technical barrier always.Because piston head of diesel engine pushes up in nickel-base material welding process outward, due to the poor fluidity of weld seam liquid metal, abros weld seam liquid metal, unlike Carbon steel welds liquid metal, easy flowing launches, and liquid metal is not easy the both sides flowing to weld seam.Even if increase of weld current, the mobility of weld metal can not be changed, make weld seam bath superheat on the contrary, both increase the sensitiveness of fire check, also make the deoxidier in weld metal evaporate, occur pore.Especially, after increasing electric current, molten bath fusion penetration increases, and cause the iron ion of mother metal to dissolve in weld seam layer too much, welding process requirement layer iron ion content is no more than 5 percent.Therefore, a kind of welding process equipment of exploitation, controls welding process, improves welding quality very necessary.
Summary of the invention
In order to solve the deficiency existed in existing solder technology, the invention provides a kind of marine diesel engine piston and pushing up nickel-base material oscillation welding device outward.This welder adopts adjustable eccentric apart from double-slider version, has carried out welding process welding gun side swinging motion.In welding process, make electric arc do little swing, its amplitude swung is advisable with 3 times that are no more than welding wire or core diameter.Meanwhile, may produce undercut defect to overcome electric arc in swing process, electric arc, when swinging to each side pole extreme position, be had a break, there to be enough time to make molten metal fill up undercut place.
The technical solution used in the present invention is: a kind of marine diesel engine piston pushes up nickel-base material oscillation welding device outward, it comprises drive motors, worm reduction box, support and adjustable welding gun clamp system, it also comprises a eccentricity of crank guiding mechanism and dovetail channel-shaped swings slide block mechanism, one end of described the eccentricity of crank guiding mechanism connects worm-gear output shaft, other end connecting crank pin roller, described dovetail channel-shaped swings slide block mechanism and comprises swing slide block and connecting rod, one end of connecting rod is fixedly connected with swing slide block, the other end is provided with adjustable welding gun clamp system, the top swinging slide block is provided with dovetail sliding block inclined roller, both sides, bottom are provided with dovetail slide block guide groove roller and dovetail slide block, described drive motors moves in the chute swinging slide block through the worm-gear output shaft of worm reduction box and the eccentricity of crank guiding mechanism driving crank pin roller, makes to be arranged on the dovetail sliding block inclined roller swung on slide block, dovetail slide block guide groove roller and the slippage to the left or to the right on respective slideway of dovetail slide block.
Described the eccentricity of crank guiding mechanism is provided with the eccentricity of crank adjustment screw.
The chute of described swing slide block adopts long trough structure, and the height of chute is greater than diameter and two times of throw of crankshaft e sums of crank-pin roller, and the width of chute and the diameter compatible of crank-pin roller close.
Described swing slide block top adopts and becomes vertical incline structure with the chute surface of dovetail sliding block inclined roller.
The slideway of described dovetail sliding block inclined roller adopts the first slideway on support, and the slideway of dovetail slide block guide groove roller and dovetail slide block adopts the second slideway on support, and the second slideway is provided with two spigot surfaces.
The invention has the beneficial effects as follows: this marine diesel engine piston pushes up nickel-base material oscillation welding device outward and comprises drive motors, worm reduction box, support, adjustable welding gun clamp system, the eccentricity of crank guiding mechanism and dovetail channel-shaped swing slide block mechanism.In welding process, drive motors moves in the chute swinging slide block through the worm-gear output shaft of worm reduction box and the eccentricity of crank guiding mechanism driving crank pin roller, makes to be arranged on the dovetail sliding block inclined roller swung on slide block, dovetail slide block guide groove roller and the slippage to the left or to the right on respective slideway of dovetail slide block.With swing slide block link together connecting rod and adjustable welding gun clamp system also together with swing.This welder can make electric arc do little swing, and its amplitude swung is to be no more than welding wire or core diameter 3 times.Meanwhile, may produce undercut defect to overcome electric arc in swing process, electric arc, when swinging to each side pole extreme position, can be had a break, there to be enough time to make molten metal fill up undercut place.
Accompanying drawing explanation
Fig. 1 is the structural front view that a kind of marine diesel engine piston pushes up nickel-base material oscillation welding device outward.
Fig. 2 is the structure top view that a kind of marine diesel engine piston pushes up nickel-base material oscillation welding device outward.
Fig. 3 is the A-A view in Fig. 1.
Fig. 4 swings slide block to be positioned at left side extreme position figure.
Fig. 5 swings slide block to be positioned at right side extreme position figure.
In figure: 1, drive motors, 2, worm reduction box, 3, worm-gear output shaft, 4, the eccentricity of crank guiding mechanism, 5, crank-pin roller, 6, swing slide block, 6a, chute, 7, dovetail sliding block inclined roller, 8, dovetail slide block, 9, welding gun clamping and positioning screw, 10, adjustable welding gun clamp system, 11, dovetail slide block guide groove roller, 12, support, 12a, the first slideway, 12b, the second slideway, 13, the eccentricity of crank adjustment screw, 14, connecting rod.
Detailed description of the invention
Fig. 1,2,3 shows the structure chart that a kind of marine diesel engine piston pushes up nickel-base material oscillation welding device outward.
In figure, a kind of marine diesel engine piston pushes up nickel-base material oscillation welding device outward and comprises drive motors 1, worm reduction box 2, support 12, adjustable welding gun clamp system 10, the eccentricity of crank guiding mechanism 4 and dovetail channel-shaped swing slide block mechanism.
One end of the eccentricity of crank guiding mechanism 4 connects worm-gear output shaft 3, other end connecting crank pin roller 5, and the eccentricity of crank guiding mechanism 4 is provided with the eccentricity of crank adjustment screw 13.
Dovetail channel-shaped swings slide block mechanism and comprises swing slide block 6 and connecting rod 14, one end of connecting rod 14 is fixedly connected with swing slide block 6, the other end is provided with adjustable welding gun clamp system 10, the chute 6a swinging slide block 6 adopts long trough structure, the height of chute 6a is greater than diameter and two times of throw of crankshaft e sums of crank-pin roller 5, and the width of chute 6a and the diameter compatible of crank-pin roller 5 close.The top swinging slide block 6 is provided with dovetail sliding block inclined roller 7, and both sides, bottom are provided with dovetail slide block guide groove roller 11 and dovetail slide block 8.Swing the employing of slide block 6 top and become vertical incline structure with the chute surface of dovetail sliding block inclined roller 7.The slideway of dovetail sliding block inclined roller 7 adopts the first slideway 12a on support 12, and the slideway of dovetail slide block guide groove roller 11 and dovetail slide block 8 adopts the second slideway 12b on support 12, and the second slideway 12b is provided with two spigot surfaces.
Drive motors 1 moves in the chute 6a swinging slide block 6 through the worm-gear output shaft 3 of worm reduction box 2 and the eccentricity of crank guiding mechanism 4 driving crank pin roller 5, makes to be arranged on the dovetail sliding block inclined roller 7 swung on slide block 6, dovetail slide block guide groove roller 11 and dovetail slide block 8 slippage to the left or to the right on respective slideway.
Fig. 3,4,5 shows and swings the schematic diagram that slide block is positioned at centre position, left side extreme position and right side extreme position.The speed swinging extreme position swing slide block at two is zero, and such electric arc is when swinging to each side pole extreme position, and welding gun can be had a break, there to be enough time to make molten metal fill up undercut place.
The invention solves the technical barrier existing for existing welding process, guarantee the defect such as nickel-base material layer flawless, pore, undercut.This welder can selection of small and suitable welding current, swings welding method, overcomes the problem of nickel-base alloy liquid metal flows difference, make itself and mother metal fully fused, obtain good overlay cladding by batch (-type).Especially the welding current that selection of small is suitable, guarantees that " Ni-based layer iron ion content is less than 5 percent, and the technical indicator of fusion penetration < 0.2-0.3 millimeter, reaches code requirement.This welder structure is simple, and reliable operation, is applicable to the steel pistons of the various type diesel engines of cylinder diameter 350-1000 millimeter, also can be widely used in the welding processing of plurality of devices parts corrosion resistant surfaces of oil, chemical industry, mining machinery industry.
Claims (5)
1. a marine diesel engine piston pushes up nickel-base material oscillation welding device outward, it comprises drive motors (1), worm reduction box (2), support (12) and adjustable welding gun clamp system (10), it is characterized in that: further comprising a eccentricity of crank guiding mechanism (4) and dovetail channel-shaped swing slide block mechanism, one end of described the eccentricity of crank guiding mechanism (4) connects worm-gear output shaft (3), other end connecting crank pin roller (5), described dovetail channel-shaped swings slide block mechanism and comprises swing slide block (6) and connecting rod (14), one end of connecting rod (14) is fixedly connected with swing slide block (6), the other end is provided with adjustable welding gun clamp system (10), the top swinging slide block (6) is provided with dovetail sliding block inclined roller (7), both sides, bottom are provided with dovetail slide block guide groove roller (11) and dovetail slide block (8), the worm-gear output shaft (3) of described drive motors (1) through worm reduction box (2) and the eccentricity of crank guiding mechanism (4) driving crank pin roller (5) are mobile in the chute (6a) swinging slide block (6), make to be arranged on the dovetail sliding block inclined roller (7) in swing slide block (6), dovetail slide block guide groove roller (11) and dovetail slide block (8) slippage to the left or to the right on respective slideway.
2. a kind of marine diesel engine piston according to claim 1 pushes up nickel-base material oscillation welding device outward, it is characterized in that: described the eccentricity of crank guiding mechanism (4) is provided with the eccentricity of crank adjustment screw (13).
3. a kind of marine diesel engine piston according to claim 1 pushes up nickel-base material oscillation welding device outward, it is characterized in that: the chute (6a) of described swing slide block (6) adopts long trough structure, the height of chute (6a) is greater than diameter and two times of throw of crankshaft e sums of crank-pin roller (5), and the width of chute (6a) and the diameter compatible of crank-pin roller (5) close.
4. a kind of marine diesel engine piston according to claim 1 pushes up nickel-base material oscillation welding device outward, it is characterized in that: described swing slide block (6) top adopts and becomes vertical incline structure with the chute surface of dovetail sliding block inclined roller (7).
5. a kind of marine diesel engine piston according to claim 1 pushes up nickel-base material oscillation welding device outward, it is characterized in that: the slideway of described dovetail sliding block inclined roller (7) adopts the first slideway (12a) on support (12), the slideway of dovetail slide block guide groove roller (11) and dovetail slide block (8) adopts the second slideway (12b) on support (12), and the second slideway (12b) is provided with two spigot surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310363992.XA CN103406641B (en) | 2013-08-21 | 2013-08-21 | Marine diesel engine piston external nickel-based material swing welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310363992.XA CN103406641B (en) | 2013-08-21 | 2013-08-21 | Marine diesel engine piston external nickel-based material swing welding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103406641A CN103406641A (en) | 2013-11-27 |
| CN103406641B true CN103406641B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310363992.XA Expired - Fee Related CN103406641B (en) | 2013-08-21 | 2013-08-21 | Marine diesel engine piston external nickel-based material swing welding device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114367775B (en) * | 2022-01-04 | 2024-05-24 | 山东精工电子科技股份有限公司 | Virtual welding repair welding device for cylindrical lithium ion battery point bottom |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467175A (en) * | 1980-08-28 | 1984-08-21 | Mathilde Reeh | Adjustment assembly for the rotary torchhead of an electrical welding gun |
| CN1145836A (en) * | 1995-09-20 | 1997-03-26 | 日铁溶接工业株式会社 | Vertical edge welding device |
| KR20090021621A (en) * | 2007-08-27 | 2009-03-04 | 대우조선해양 주식회사 | A weaver for welding |
| CN202240243U (en) * | 2011-09-30 | 2012-05-30 | 山东水泊焊割设备制造有限公司 | Swing mechanism of welding gun |
| CN202240242U (en) * | 2011-09-30 | 2012-05-30 | 山东水泊焊割设备制造有限公司 | Welding gun oscillator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11151575A (en) * | 1997-11-20 | 1999-06-08 | Mitsubishi Heavy Ind Ltd | Welding equipment |
-
2013
- 2013-08-21 CN CN201310363992.XA patent/CN103406641B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467175A (en) * | 1980-08-28 | 1984-08-21 | Mathilde Reeh | Adjustment assembly for the rotary torchhead of an electrical welding gun |
| CN1145836A (en) * | 1995-09-20 | 1997-03-26 | 日铁溶接工业株式会社 | Vertical edge welding device |
| KR20090021621A (en) * | 2007-08-27 | 2009-03-04 | 대우조선해양 주식회사 | A weaver for welding |
| CN202240243U (en) * | 2011-09-30 | 2012-05-30 | 山东水泊焊割设备制造有限公司 | Swing mechanism of welding gun |
| CN202240242U (en) * | 2011-09-30 | 2012-05-30 | 山东水泊焊割设备制造有限公司 | Welding gun oscillator |
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| Publication number | Publication date |
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| CN103406641A (en) | 2013-11-27 |
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