CN101758352A - Longitudinal-seam laser welding positioning device for thin-wall circular tube - Google Patents
Longitudinal-seam laser welding positioning device for thin-wall circular tube Download PDFInfo
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- CN101758352A CN101758352A CN200910272796A CN200910272796A CN101758352A CN 101758352 A CN101758352 A CN 101758352A CN 200910272796 A CN200910272796 A CN 200910272796A CN 200910272796 A CN200910272796 A CN 200910272796A CN 101758352 A CN101758352 A CN 101758352A
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Abstract
The invention provides a longitudinal seam laser welding positioning device for a thin-wall circular tube, comprising a support core shaft assembly of a molding sheet, an axial positioning mechanism, an opposite-seam positioning mechanism and an abutted-seam pressing mechanism, wherein the abutted-seam pressing mechanism comprises a lower supporting plate positioned below the support core shaft and a driving mechanism thereof as well as a left claw, a right claw and a driving mechanism, wherein the left claw and the right claw are arranged at the left side and the right side of the support core shaft; the opposite-seam positioning mechanism comprises an axial opposite-seam slot arranged on the support core shaft; the axial positioning mechanism comprises a positioning block at one end of the support core shaft and a stop block at the other end of the support core shaft, wherein the stop block is driven by using a screw rod; the driving mechanism of the lower support plate comprises a driving cylinder, a lower support plate sliding seat, a driving cylinder and vertical guide rails positioned at the front and the back of the driving cylinder, wherein the output end of the driving cylinder is connected to the lower part of a lower beam of the lower support plate sliding seat, and sliding seat guide sleeves are arranged at the front and the back of the lower support plate sliding seat and play a leading role by matching with the two vertical guide rails; the lower support plate is arranged on an upper beam of the lower support plate sliding seat; and the left claw is driven by using a screw rod, and the right claw is driven by adopting an abutted-seam cylinder.
Description
Technical field
The present invention relates to a kind of longitudinal-seam laser welding positioning device for thin-wall circular tube, this apparatus for welding and positioning is the corollary apparatus of digital control laser bonding machine, belongs to worker's die clamper technical field.
Background technology
Laser weld is one of importance of laser processing of materials process technology application, since its have weld seam narrow, penetrate dark, the weld seam both sides are parallel, the heat affected area is little, welding deformation lampet advantage, are widely used in fields such as machine-building, Aero-Space, auto industry, powder metallurgy, biomedical microelectronic industry.The principle of laser weld be with high-intensity bombardment with laser beams to the metal surface, by the interaction of laser and metal, metal absorb laser be converted into heat energy make metal molten after crystallisation by cooling form welding.
Laser-beam welding machine is made up of five parts usually, i.e. laser generator, control system, light path system, laser-beam welding machine frame for movement body and accessory system etc.Wherein, accessory system refers to that mainly workpiece transports and positioner, is the indispensable important component part of laser-beam welding machine, and the quality of its design and manufacturing is to guaranteeing that obtaining good crudy has very important relation.Particularly in the welding process, very high for the requirement of welding piece, must in 0.05mm, simultaneously,, need once splice positioning stablity because the characteristic of laser weld can not adopt any tracing positioning apparatus.
Existing thin-wall circular tube longitudinal seam welding positioner can not satisfy the technological requirement of laser weld on the positioning accuracy and on the reliability.
Summary of the invention
The objective of the invention is to design a kind of reliable and stable, the longitudinal-seam laser welding positioning device for thin-wall circular tube that piece is effective guarantees that it behind splicing location, reaches the piece error in 0.05mm, and the location is reliable, satisfies the requirement of laser weld longitudinal joint.
The technical solution used in the present invention: the longitudinal-seam laser welding positioning device of thin-wall circular tube of the present invention comprise shaping sheet support mandrel assembly, axial location mechanism, opposite joint detent mechanism, compress piece mechanism, compress piece mechanism and comprise bottom plate and driving mechanism that is positioned at support mandrel below and left and right claw and the driving mechanism that is positioned at the support mandrel and arranged on left and right sides.
Described opposite joint detent mechanism be included on the support mandrel axially to slot.
The longitudinal-seam laser welding positioning device of described thin-wall circular tube, the driving mechanism of its bottom plate comprises the upright guide rail that drives oil cylinder, bottom plate slide, driving oil cylinder, is positioned at driving oil cylinder front and back, the output that drives oil cylinder is connected the bottom of the sill of bottom plate slide, and the front and back of bottom plate slide have slide fairlead and two upright guide rail couplings to play the guiding role; Bottom plate is installed on the entablature of bottom plate slide.
The longitudinal-seam laser welding positioning device of described thin-wall circular tube, the driving mechanism of its left jamming claw comprises by leading screw bearing level and is installed in leading screw on the frame left side, the leading screw slide block is arranged on the leading screw, the left jamming claw base is fixed on the leading screw slide block, and a plurality of left jamming claws are connected on the left jamming claw base by left jamming claw bearing separately; The driving mechanism of right jamming claw comprises by the cylinder support level and is installed in piece oil cylinder on the frame right side, clamp the output that bearing is fixed on the piece oil cylinder, clamp the right jamming claw base is installed on the bearing, a plurality of right jamming claws are fixed on the right jamming claw base by right jamming claw bearing separately.
The cross section of bottom plate is a spill, and the both sides of spill become 40 °～50 ° angles and its supplementary angles with level, and a small boss is arranged at the bottom of spill; Bottom plate has a plurality of, is arranged on the entablature of bottom plate slide along the axially spaced-apart of support mandrel.
Described axial location mechanism is included in the locating piece of support mandrel one end and the block of the other end, and block is installed on the slide of location, and positioning seat is fixed on the frame, location slide connecting screw rod, and the internal thread of screw rod and positioning seat mates.
The longitudinal-seam laser welding positioning device of described thin-wall circular tube, its right jamming claw (4) is hinged with claw bearing (4d), (4i) is jointed shaft; The afterbody of right jamming claw (4) is hinged by bearing pin (4g) and pole (4c), and pole (4c) is for can regulate pole; The mounting structure of left jamming claw (3) is identical with right jamming claw (4).
Advantage of the present invention:
To the high request of piece, the piece error was in 0.05mm when this thin-wall circular tube longitudinal seam welding positioner can satisfy laser weld; The positioning accuracy height of whole device need not to carry out real-time tracking during welding; Positioning stablity is reliable, and claw clamps and adopts hydraulic pressure to finish.Adopt this positioner can satisfy the requirement of laser weld, the full-automatic laser weld of realization thin-wall circular tube longitudinal joint has changed the processing mode that traditional argon arc welds the thin-wall circular tube longitudinal joint.
This thin-wall circular tube longitudinal seam welding positioner piece is effective, and high-quality, efficient, the high and low cost of welding quality, location are reliable, rational in infrastructure, can be effectively the longitudinal joint of thin-wall circular tube be spliced the location, carries out laser weld.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is a claw partial enlarged drawing among Fig. 2.
Fig. 4 is a bottom plate partial enlarged drawing among Fig. 2.
The specific embodiment
Further specify concrete structure of the present invention below in conjunction with accompanying drawing:
As Fig. 1, Fig. 2: the longitudinal-seam laser welding positioning device of thin-wall circular tube provided by the invention comprise shaping sheet support mandrel assembly, axial location mechanism, opposite joint detent mechanism, compress piece mechanism.
Compress piece mechanism and comprise bottom plate 2 and driving mechanism that is positioned at support mandrel 1 below and left and right claw and the driving mechanism that is positioned at the support mandrel and arranged on left and right sides.
The driving mechanism of bottom plate 2 comprises driving oil cylinder 2a, bottom plate slide 2b, front and back upright guide rail 2c; The output that drives oil cylinder 2a is connected the bottom of the sill 2b1 of bottom plate slide 2b, and the front and back of bottom plate slide 2b have slide fairlead 2b2 and upright guide rail 2c coupling to play the guiding role; Bottom plate 2 is installed on the entablature 2b3 of bottom plate slide 2b.2a1 is the mounting bracket that drives oil cylinder 2a.
The driving mechanism of left jamming claw 3 comprises by leading screw bearing 3a level and is installed in leading screw 3b on frame 9 left sides, leading screw slide block 3c is arranged on the leading screw 3b, left jamming claw base 3e is fixed on the leading screw slide block 3c, and a plurality of left jamming claws 3 are connected on the left jamming claw base 3e by left jamming claw bearing 3d separately; The driving mechanism of right jamming claw 4 comprises by cylinder support 4a level and is installed in piece oil cylinder 4b on the frame right side, clamp the output that bearing 4c is fixed on piece oil cylinder 4b, clamp bearing 4c and go up installation right jamming claw base 4e, a plurality of right jamming claws 4 are fixed on the right jamming claw base 4e by right jamming claw bearing 4d separately.On support mandrel 1 axially to slot 1a.The 10th, laser-beam welding machine.
Axial location mechanism is included in the locating piece 5 of support mandrel one end and the block 6 of the other end, and block 6 is installed on the slide 6a of location, and positioning seat 6b is fixed on the frame, location slide 6a connecting screw rod 6c, the internal thread coupling of screw rod 6c and positioning seat 6b.
As Fig. 3: left jamming claw 3 is identical with right jamming claw 4 structures, and symmetry is installed.Fig. 3 is to be the structure of example explanation left jamming claw 3 and right jamming claw 4 with the right jamming claw,
The driving mechanism of right jamming claw 4 comprises by cylinder support 4a level and is installed in piece oil cylinder 4b on frame 9 right sides, clamp the output that bearing 4c is fixed on piece oil cylinder 4b, clamp bearing 4c and go up installation right jamming claw base 4e, a plurality of right jamming claws 4 are fixed on the right jamming claw base 4e by right jamming claw bearing 4d separately.Right jamming claw 4 is hinged with claw bearing 4d, and 4i is a jointed shaft.
For satisfying the requirement of different parts, guarantee that the applying of claw and pipe fitting is tight.The afterbody of right jamming claw 4 is hinged by bearing pin 4g and pole 4c, and pole 4c is for can regulate pole.By regulating the length of pole 4c, the adjustable gaps of claw front end and mandrel satisfies the requirement of different parts.
The locator card radix unguis is determined overall quantity according to the length of welding work pieces, and respectively by 1～4 of left jamming claw, and right jamming claw 1～7 constitutes.The shape of claw and thin-wall circular tube appearance similar, stressed even when guaranteeing to clamp.
As Fig. 4: bottom plate 2 cross sections are spill, the both sides 2.2 of spill and angle Q=30 °～50 ° and supplementary angles of level, and a small boss 2.1 is arranged at the bottom of spill; Bottom plate 2 has a plurality of, is arranged on the entablature 2b3 of bottom plate slide 2b along the axially spaced-apart of support mandrel 1.
The opposite joint detent mechanism be on support mandrel axially to slot.
The course of work:
1. location: after weld used thin plate and shearing round as a ball moulding; thin-wall circular tube 8 is contained on the support mandrel 1; end of thin-wall circular tube positions by locating piece 5; and by the locating slot 1a on the support mandrel 1 the left side weld seam of this thin-wall circular tube is adjusted; behind the first bonding side weld seam location; by rotating threaded shaft 3b, make left jamming claw progressively locate clamping, the uniformity of assurance monolateral welding position of sheet material and locating slot.Rotary screw 6c compresses the other end of thin-wall circular tube with block 6 then, guarantee the location accurately.The end face positioning support adopts wedge to adjust.
2, compress piece: start driving oil cylinder 2a, bottom plate 2 is up, by the tight whole thin-wall circular tube 8 of bottom plate 2 holders; Then, start piece oil cylinder 4b, thin-wall circular tube 8 right edge are compressed, put together with the limit, left side of thin-wall circular tube 8, and sheet material is fixed, guarantee whole clamping, whole work-piece is clamped guarantee welding.
Claims (7)
1. longitudinal-seam laser welding positioning device for thin-wall circular tube, comprise shaping sheet support mandrel assembly, axial location mechanism, opposite joint detent mechanism, compress piece mechanism, it is characterized in that: compress piece mechanism and comprise bottom plate (2) and driving mechanism that is positioned at support mandrel (1) below and left and right claw and the driving mechanism that is positioned at the support mandrel and arranged on left and right sides.
2. longitudinal-seam laser welding positioning device for thin-wall circular tube according to claim 1 is characterized in that: the opposite joint detent mechanism be included on the support mandrel (1) axially to slot (1a).
3. longitudinal-seam laser welding positioning device for thin-wall circular tube according to claim 1 and 2, it is characterized in that: the driving mechanism of bottom plate (2) comprises the upright guide rail (2c) that drives oil cylinder (2a), bottom plate slide (2b), driving oil cylinder (2a), is positioned at driving oil cylinder front and back, the output that drives oil cylinder (2a) is connected the bottom of the sill (2b1) of bottom plate slide (2b), and the front and back of bottom plate slide (2b) have slide fairlead (2b2) and two upright guide rails (2c) coupling to play the guiding role; Bottom plate (2) is installed on the entablature (2b3) of bottom plate slide (2b).
4. longitudinal-seam laser welding positioning device for thin-wall circular tube according to claim 1 and 2, it is characterized in that: the driving mechanism of left jamming claw (3) comprises by leading screw bearing (3a) level and is installed in leading screw (3b) on frame (9) left side, leading screw slide block (3c) is arranged on the leading screw (3b), left jamming claw base (3e) is fixed on the leading screw slide block (3c), and a plurality of left jamming claws (3) are connected on the left jamming claw base (3e) by left jamming claw bearing (3d) separately; The driving mechanism of right jamming claw (4) comprises by cylinder support (4a) level and is installed in piece oil cylinder (4b) on the frame right side, clamp the output that bearing (4c) is fixed on piece oil cylinder (4b), clamp bearing (4c) and go up installation right jamming claw base (4e), a plurality of right jamming claws (4) are fixed on the right jamming claw base (4e) by right jamming claw bearing (4d) separately.
5. longitudinal-seam laser welding positioning device for thin-wall circular tube according to claim 1 and 2 is characterized in that: bottom plate (2) cross section is a spill, and the both sides of spill become 40 °～50 ° angles and its supplementary angles with level, and a small boss is arranged at the bottom of spill; Bottom plate (2) has a plurality of, is arranged on the entablature (2b3) of bottom plate slide (2b) along the axially spaced-apart of support mandrel (1).
6. longitudinal-seam laser welding positioning device for thin-wall circular tube according to claim 1 and 2, it is characterized in that: axial location mechanism is included in the locating piece (5) of support mandrel one end and the block (6) of the other end, block (6) is installed on the location slide (6a), positioning seat (6b) is fixed on the frame, location slide (6a) connecting screw rod (6c), screw rod (6c) mates with the internal thread of positioning seat (6b).
7. longitudinal-seam laser welding positioning device for thin-wall circular tube according to claim 4 is characterized in that: right jamming claw (4) is hinged with claw bearing (4d), (4i) is jointed shaft; The afterbody of right jamming claw (4) is hinged by bearing pin (4g) and pole (4c), and pole (4c) is for can regulate pole; The mounting structure of left jamming claw (3) is identical with right jamming claw (4).
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| CN2009102727965A CN101758352B (en) | 2009-11-17 | 2009-11-17 | Longitudinal-seam laser welding positioning device for thin-wall circular tube |
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| CN2009102727965A CN101758352B (en) | 2009-11-17 | 2009-11-17 | Longitudinal-seam laser welding positioning device for thin-wall circular tube |
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| CN101758352B CN101758352B (en) | 2012-02-08 |
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| CN113523740B (en) * | 2021-07-22 | 2022-04-19 | 上海丁柯机械有限公司 | Steel strip processing technology |
| CN113399894A (en) * | 2021-08-20 | 2021-09-17 | 江苏特塑新能源科技有限公司 | Welding processing device for cylindrical shell of electronic component |
| CN113399894B (en) * | 2021-08-20 | 2021-10-29 | 江苏特塑新能源科技有限公司 | Welding processing device for cylindrical shell of electronic component |
| CN113732148A (en) * | 2021-11-05 | 2021-12-03 | 太原科技大学 | Full-hydraulic pre-bending device and method for thick-wall metal straight welded pipe plate edge |
| CN113732148B (en) * | 2021-11-05 | 2022-01-18 | 太原科技大学 | Full-hydraulic pre-bending device and method for thick-wall metal straight welded pipe plate edge |
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| CN101758352B (en) | 2012-02-08 |
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Address after: 436070 area a, west of Chuangye Avenue, Gedian Development Zone, Ezhou City, Hubei Province Patentee after: HUAGONG FARLEY CUTTING AND WELDING SYSTEM ENGINEERING Co.,Ltd. Address before: 430223 hi tech Industrial Zone, East Lake hi tech Development Zone, Hubei, Wuhan Patentee before: WUHAN FARLEY PLASMA CUTTING SYS. Co.,Ltd. |