CN201147876Y - Thin wall cylinder circular seam laser beam welding jig - Google Patents
Thin wall cylinder circular seam laser beam welding jig Download PDFInfo
- Publication number
- CN201147876Y CN201147876Y CN 200820065488 CN200820065488U CN201147876Y CN 201147876 Y CN201147876 Y CN 201147876Y CN 200820065488 CN200820065488 CN 200820065488 CN 200820065488 U CN200820065488 U CN 200820065488U CN 201147876 Y CN201147876 Y CN 201147876Y
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- main shaft
- worm
- arc piece
- machine tool
- tail stock
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- Expired - Lifetime
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Abstract
The utility model discloses a thin-wall cylinder circular seam laser welding clamp which comprises a head frame, an expansion ring, a machine tool tail stock and a top plate; when the clamp works, the expansion ring is positioned between the head frame and the machine tool tail stock, and the sleeved at the position at which two work pieces to be welded are jointed; one non-jointing end of each work piece is clamped and positioned on the main shaft of the head frame, and the other non-jointing end is jointed with the positioning surface of a baffle; the tip of the machine tool tail stock is arranged in the tip hole of the baffle. The welding clamp adopts the expansion ring which can be opened and closed to realize accurate jointing and clamping of a thin-wall cylinder; the head frame with an upturning function drives the head of the cylinder, the tail stock and the top plate support the tail of the cylinder, so as to realize rotary motion of the cylinder. The seam jointing precision meets the requirement for laser welding. A main shaft worm and gear mechanism in the head frame can realize the precise rotary motion of the work pieces, and the head frame with the upturning function is convenient for feeding and blanking of quite long work pieces. The thin-wall cylinder circular seam laser welding clamp is characterized by accurate positioning, reliable and convenient clamping, convenient use, high efficiency, etc.
Description
Technical field
The utility model relates to a kind of fixture for laser welding, is specially a kind of thin walled cylinder girth laser welding tong.
Background technology
In fields such as petrochemical industry, Aero-Space and military affairs, longer thin cylinder parts such as pipeline, tub often form by the shorter thin cylinder welding of multistage.The efficient solder technology that laser weld is a kind of precision height, weldering speed is fast, distortion is little, the material fire damage is few.For the welding of the boxing of yielding thin cylinder, especially when material was thermo-responsive metal material such as aluminium alloy, titanium-alloy thin-plate, adopting laser weld was best selection.Yet it is very high that laser weld is treated the piece required precision of welder's part, and generally speaking the piece error can not surpass 1/10 of thickness of slab.Existing thin cylinder weld seam weld jig can not reach the required precision of laser weld usually at welding methods such as TIG, MIG, submerged arcs.For example: (notification number is CN2395844Y to utility model patent " a kind of thin-walled drum container circumferential weld plane suture welder dress ", the day for announcing is on September 13rd, 2000) designed a kind of thin cylinder girth welding anchor clamps of forming by framework, roller, roller carriage, finish the rotation of cylinder by being installed in a plurality of rollers on the framework, realize girth welding.(notification number is CN2275018Y to utility model patent " the outer girth welding operating desk of cylindrical shell ", the day for announcing is on 02 25th, 1998) designed the outer girth welding workbench of a kind of cylindrical shell of forming by workbench, side ladder and bearing, finish the rotation of cylinder by being installed in a plurality of guide rollers on workbench and the side ladder, realize girth welding.Above-mentioned weld jig all can not be finished the accurate splicing and the clamping of two thin cylinders to be welded, and the cylinder rotating accuracy is also lower, can not adapt to the laser weld requirement of thin cylinder weld seam.In addition, said method all reckons without the loading and unloading problem of long cylinder.
Summary of the invention
The purpose of this utility model provides a kind of thin walled cylinder girth laser welding tong, and these anchor clamps have reliably characteristics easily of accurate positioning, clamping.
The thin walled cylinder girth laser welding tong that the utility model provides is characterized in that: these anchor clamps comprise the headstock, distensible ring, tail stock for machine tool and top board; Wherein,
The headstock comprises pedestal, main spindle box, main shaft, main shaft worm-and-wheel gear, inverted box, upset worm-and-wheel gear and trip shaft; Inverted box is connected on the pedestal, and trip shaft is installed in the inverted box, and the worm gear and the trip shaft of upset worm-and-wheel gear are connected, and its worm screw is installed on the inverted box; Main spindle box and trip shaft are connected, and main shaft is installed in the main spindle box, and main shaft is fixedlyed connected with the worm gear of main shaft worm-and-wheel gear, and the end that main shaft is positioned at tail stock for machine tool one side is used for location and holding workpiece, and the worm screw of main shaft worm-and-wheel gear is installed on the main spindle box;
Distensible ring comprises first, second arc piece, basic arc piece, screw rod and wedge; First, second arc piece is installed in the two ends of basic arc piece by straight pin, and first, second arc piece and basic arc piece form an annulus when closure; Bearing is fixedly connected on the middle part of basic arc piece, and screw rod one end edge joint is on bearing, and the other end is equipped with wedge;
An end face of baffle plate is a locating surface, has center hole on the other end;
During work, distensible ring is between the headstock and tail stock for machine tool, and distensible ring is enclosed within the position of two workpiece splicings to be welded; A unspliced end clamping of the workpiece that one of them is to be welded also is positioned on the main shaft of the headstock, and a unspliced end of the workpiece that another is to be welded and the locating surface of baffle plate are fitted, the top center hole that is positioned at baffle plate on the tail stock for machine tool.
But the utility model adopts two sections of the distensible ring realizations of folding or the accurate splicing and the clamping of multistage thin cylinder.Drive barrel head by the headstock,, realize the gyration of cylinder by tailstock and top plate supporting cylinder afterbody with turn over function.Its piece precision has satisfied the requirement of laser weld.Main shaft worm-and-wheel gear in the headstock can be realized the accurate gyration of workpiece.The headstock of band turn over function has made things convenient for the loading and unloading than farm labourer's part.Compare with existing cylinder ring seam welding anchor clamps, the utlity model has characteristics such as accurate positioning, clamping are reliably convenient, efficient height easy to use.Cooperate multi-shaft interlocked digital control system, also can finish the welding of drum surface curved welding seam.
Description of drawings
Fig. 1 is the structural representation of the utility model thin walled cylinder girth laser welding tong.
Fig. 2 is the A place partial enlarged drawing of Fig. 1.
Fig. 3 is the structural representation of the headstock.
Fig. 4 is the structural representation of distensible ring.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As depicted in figs. 1 and 2, the utility model thin walled cylinder girth laser welding tong comprises the headstock 1, distensible ring 2, tail stock for machine tool 3 and top board 6.
As shown in Figure 3, the headstock 1 mainly is made of pedestal 15, main spindle box 16, main shaft 17, main shaft worm-and-wheel gear 7, inverted box 18, upset worm-and-wheel gear 8 and trip shaft 19.Inverted box 18 is connected on the pedestal 15, trip shaft 19 is installed in the inverted box 18, and the worm gear and the trip shaft 19 of upset worm-and-wheel gear 8 are connected, and its worm screw is installed on the inverted box 18, drive trip shaft 19 by upset worm-and-wheel gear 8, realize that trip shaft 19 is around self axis rotation.Main spindle box 16 and trip shaft 19 are connected, and when trip shaft 19 rotated, main spindle box 16 upwards flipped an angle, convenient loading and unloading than farm labourer's part.
As shown in Figure 4, the structure of distensible ring 2 is: first, second arc piece 9 and 9 ' is installed in two ends of basic arc piece 11 by straight pin, first, second arc piece 9 and 9 ' rotates around straight pin, when closed, first, second arc piece 9,9 ' and basic arc piece 11 form an annulus.The bearing 12 of band female thread structure is connected in the middle part of basic arc piece 11.Screw rod 13 1 ends of band annular knurl structure are by being threaded on the bearing 12, and the other end is equipped with wedge 14.During rotating screw bolt 13, wedge 14 moves up and down, and promotes left and right sides tensioner ring 9 and 9 ' revolution.
An end face of baffle plate 6 is a locating surface, has center hole on the other end.
During use, with first workpiece, 4 left ends location and be clamped in an end that is installed on the main shaft 17 in the headstock 1, first workpiece, 4 right-hand members are installed on distensible ring 2, with second workpiece, 5 splicing backs by distensible ring 2 clampings location.Second workpiece, 5 left ends are installed on the distensible ring 2, locate by distensible ring 2 clampings with first workpiece, 4 splicing backs, second workpiece, 5 right-hand members are installed on the locating surface of baffle plate 6 left ends, can withstand on the center hole of baffle plate 6 right-hand members behind top 10 horizontal movements left one segment distance on the tailstock 3.Such first workpiece 4, second workpiece 5 were stitched together position to be welded, and are centered on the centre of gyration of main shaft 17 by distensible ring 2, baffle plate 6 and top 10 be connected and clamping.Treat that welding line is circumferential in distensible ring, i.e. position shown in 11 among Fig. 2.Thereby the accurate location and the clamping of girth joint have been realized.
By main shaft worm-and-wheel gear 7 drive shaft 17, main shaft 17 be can realize around self axis rotation, thereby workpiece 4,5 and top board 6 rotations driven, realize the welding of girth joint.
Claims (1)
1, a kind of thin walled cylinder girth laser welding tong is characterized in that: these anchor clamps comprise the headstock (1), distensible ring (2), tail stock for machine tool (3) and top board (6); Wherein,
The headstock (1) comprises pedestal (15), main spindle box (16), main shaft (17), main shaft worm-and-wheel gear (7), inverted box (18), upset worm-and-wheel gear (8) and trip shaft (19); Inverted box (18) is connected on the pedestal (15), and trip shaft (19) is installed in the inverted box (18), and the worm gear and the trip shaft (19) of upset worm-and-wheel gear (8) are connected, and its worm screw is installed on the inverted box (18); Main spindle box (16) and trip shaft (19) are connected, main shaft (17) is installed in the main spindle box (16), main shaft (17) is fixedlyed connected with the worm gear of main shaft worm-and-wheel gear (7), the end that main shaft (17) is positioned at tail stock for machine tool (3) one sides is used for location and holding workpiece, and the worm screw of main shaft worm-and-wheel gear (7) is installed on the main spindle box (16);
Distensible ring (2) comprises first, second arc piece (9,9 '), basic arc piece (11), screw rod (13) and wedge (14); First, second arc piece (9,9 ') is installed in the two ends of basic arc piece (11) by straight pin, and first, second arc piece (9,9 ') and basic arc piece (11) form an annulus when closure; Bearing (12) is fixedly connected on the middle part of basic arc piece (11), and screw rod (13) one end edge joints are on bearing (12), and the other end is equipped with wedge (14);
An end face of baffle plate (6) is a locating surface, has center hole on the other end;
During work, distensible ring (2) is positioned between the headstock (1) and the tail stock for machine tool (3), and distensible ring (2) is enclosed within the position of two workpiece splicings to be welded; A unspliced end clamping of the workpiece that one of them is to be welded also is positioned on the main shaft (17) of the headstock (1), a unspliced end of the workpiece that another is to be welded and the locating surface of baffle plate (6) are fitted, and top 10 on the tail stock for machine tool (3) is positioned at the center hole of baffle plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820065488 CN201147876Y (en) | 2008-01-25 | 2008-01-25 | Thin wall cylinder circular seam laser beam welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820065488 CN201147876Y (en) | 2008-01-25 | 2008-01-25 | Thin wall cylinder circular seam laser beam welding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201147876Y true CN201147876Y (en) | 2008-11-12 |
Family
ID=40115643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820065488 Expired - Lifetime CN201147876Y (en) | 2008-01-25 | 2008-01-25 | Thin wall cylinder circular seam laser beam welding jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201147876Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127658A (en) * | 2015-09-06 | 2015-12-09 | 田承芳 | Welding joint positioning device of welding device for tank |
| CN105290666A (en) * | 2015-11-28 | 2016-02-03 | 陈伟 | Effective welding and seam detection device |
| CN105345262A (en) * | 2015-12-31 | 2016-02-24 | 上海第一机床厂有限公司 | Laser welding method of guide cylinder semi-casing in nuclear reactor |
| CN105382416A (en) * | 2015-12-31 | 2016-03-09 | 上海第一机床厂有限公司 | Laser welding method of guide sheaths of guide cylinder in nuclear reactor |
| CN107363408A (en) * | 2017-09-05 | 2017-11-21 | 上海航天精密机械研究所 | A kind of high-strength steel sheel circumferential weld hybrid Laser-Arc Welding equipment of guided missile |
| CN109396121A (en) * | 2018-12-06 | 2019-03-01 | 上海航天精密机械研究所 | A kind of metallic cylinder circumferential weld cleans welder automatically |
| CN113953638A (en) * | 2021-10-20 | 2022-01-21 | 合肥聚能电物理高技术开发有限公司 | Electron beam welding tool clamp for equatorial weld of superconducting niobium cavity |
-
2008
- 2008-01-25 CN CN 200820065488 patent/CN201147876Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127658A (en) * | 2015-09-06 | 2015-12-09 | 田承芳 | Welding joint positioning device of welding device for tank |
| CN105290666A (en) * | 2015-11-28 | 2016-02-03 | 陈伟 | Effective welding and seam detection device |
| CN105345262A (en) * | 2015-12-31 | 2016-02-24 | 上海第一机床厂有限公司 | Laser welding method of guide cylinder semi-casing in nuclear reactor |
| CN105382416A (en) * | 2015-12-31 | 2016-03-09 | 上海第一机床厂有限公司 | Laser welding method of guide sheaths of guide cylinder in nuclear reactor |
| CN105382416B (en) * | 2015-12-31 | 2018-07-03 | 上海第一机床厂有限公司 | Guide cylinder is oriented to the method for laser welding of sheath in nuclear reactor |
| CN107363408A (en) * | 2017-09-05 | 2017-11-21 | 上海航天精密机械研究所 | A kind of high-strength steel sheel circumferential weld hybrid Laser-Arc Welding equipment of guided missile |
| CN109396121A (en) * | 2018-12-06 | 2019-03-01 | 上海航天精密机械研究所 | A kind of metallic cylinder circumferential weld cleans welder automatically |
| CN109396121B (en) * | 2018-12-06 | 2021-10-26 | 上海航天精密机械研究所 | Metal cylinder circumferential weld self-cleaning welding set |
| CN113953638A (en) * | 2021-10-20 | 2022-01-21 | 合肥聚能电物理高技术开发有限公司 | Electron beam welding tool clamp for equatorial weld of superconducting niobium cavity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081112 Effective date of abandoning: 20080125 |