CN106346150B - Laser welding stainless steel curb wall positioning clamping tool - Google Patents
Laser welding stainless steel curb wall positioning clamping tool Download PDFInfo
- Publication number
- CN106346150B CN106346150B CN201610839717.4A CN201610839717A CN106346150B CN 106346150 B CN106346150 B CN 106346150B CN 201610839717 A CN201610839717 A CN 201610839717A CN 106346150 B CN106346150 B CN 106346150B
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- CN
- China
- Prior art keywords
- side wall
- upper table
- table top
- table surface
- groove
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
The side wall auxiliary locator field that laser welding stainless steel curb wall positioning clamping tool belongs to used in rail vehicle laser welding stainless steel curb wall technique, the frock includes table top and base, the shape of table top is identical with the shape of the external side wall curved surface profile of side wall, the overall profile of base upper surface and the overall profile of table top lower surface match, and table top is connected on base by bolt；Table top is provided with a plurality of air channel, and every air channel is provided with least one aspirating hole, and table top position periphery of perforate on respective side wall is all provided with fluted, and sealing joint strip is filled up in groove.The frock of the present invention can ensure that the gap width in the lower surface and side wall body of corrugated plating between side wall is easier to control in given spacing range, laser welding process can be complied fully with requirement is controlled to the high standard of its allowance weld gap width, and finally cause laser welding process to be able to the welding field of the stainless steel curb wall applied to rail vehicle.
Description
Technical field
The invention belongs to the neck of the side wall auxiliary locator used in rail vehicle laser welding stainless steel curb wall technique
A kind of domain, and in particular to laser welding stainless steel curb wall positioning clamping tool.
Background technology
As shown in Figure 1 to Figure 3, the stainless steel curb wall of rail vehicle is abreast to be welded on side wall body 1 by multiple corrugated platings 2
Madial wall on and form, side wall body 1 is wide, big, thin circular arc camber thin plate, and it is docked by cornice sheathing 1-1 and wainscot sheathing 1-2
Group weldering forms.Cornice sheathing 1-1 is planar sheet, and window area 1-1-1, two cornice sheathing small square hole 1-1- are offered on its end face
2 and two cornice sheathing small sircle hole 1-1-3.Wainscot sheathing 1-2 main body is arc, and two small sides of wainscot sheathing are offered on its end face
Hole 1-2-1.The lower surface both sides of each corrugated plating 2 are required to be welded with cornice sheathing 1-1 or wainscot sheathing 1-2 inner side end
Connect.
On the other hand, laser welding technology is more ripe and high effect welding technique, and its bonding speed is high, thermal stress is low
With characteristic the is particularly suitable for use in welding thin walled metallic materials such as heat affected area metallographic excursion is small.Laser welding technology is applied to
The stainless steel curb wall manufacturing field of rail vehicle, the welding deformation of side wall body 1 can be reduced, significantly improve its outer surface and welding
Exterior appearance afterwards, repair rate is reduced, so as to improve the quality of production of stainless steel curb wall and production efficiency.In addition, it is limited by sharp
The characteristic that photocoagulation heat affected area is small, welding precision is high, its assembling precision to thin plate weldment it is also proposed very strict want
Ask, before implementing welding, the lower surfaces of all corrugated platings 2 is required to the madial wall of side wall body 1 being bonded closely, both it
Closely connected gap must not exceed 0.1mm.
It is but existing to being typically by side wall body 1 similar to the normal welding positioning method of side wall body large thick-wall sheet material
Outline edge and its window area 1-1-1 contour edge respectively with multiple active grab spacer rings around and compress.On but
State the large area that conventional method can not be pointed between the outline edge of side wall body 1 and window area 1-1-1 contour edge
Fastening is implemented in region, and in the subsequently process to group pair on the madial wall of wall 1 with welding corrugated plating 2, these fail what is be compacted
Large area region is easy to cause to collapse or swell deformation because being squeezed, so as to cause the lower surface of corrugated plating 2 with
The closely connected gap of the madial wall of side wall body 1 further results in laser welding scheme and can not implemented considerably beyond 0.1mm.In addition,
Also easily cause the outline edge of side wall body 1 and window area 1-1-1 wheel with method of the active grab spacer ring around compression
Expendable compressing deformation occurs for wide edge, influences the cleanliness and aesthetics of the outer end continuous curve surface of side wall body 1.
The content of the invention
In order to solve existing can not to be applied to using the conventional large thick-wall sheet material welding positioning method of multiple active grabs
The laser welding scheme of the stainless steel curb wall of rail vehicle, the crimping point of its active grab easily cause the lateral wall of side wall body to be sent out
Raw expendable compressing deformation, influence the cleanliness and aesthetics of its curved surface；And because that can not be pointed in the middle part of side wall body
Large area region implements accurate fastening and causes the distance between side wall value in the lower surface and side wall body of corrugated plating often super
The clearance control requirement of laser welding process defined, and then the technical problem for causing laser welding scheme not implement are crossed, this
Invention provides a kind of laser welding stainless steel curb wall positioning clamping tool.
The technical solution adopted for solving the technical problem of the present invention is as follows：
Laser welding stainless steel curb wall positioning clamping tool, it includes table top and base, shape and the side wall body of table top
The shape of lateral wall curved surface profile is identical, and the overall profile and the overall profile of table top lower surface of base upper surface match, platform
Face is connected on base by bolt；Table top is provided with a plurality of air channel, and every air channel is provided with least one aspirating hole, platform
Face position periphery of perforate on respective side wall is all provided with fluted, and sealing joint strip is filled up in groove；Above-mentioned table top includes appearing on the stage
Face, following table and multiple sealing joint strips；The shape of upper table surface is identical with the shape of the cornice sheathing of side wall, in its corresponding cornice sheathing
The position of window area is provided with upper table surface window, and it is recessed to be provided with upper table surface window adhesive tape sealing in the contour edge of upper table surface window
Groove, upper table surface are provided with upper table surface edge bead sealed groove in its circumferential perimeter, are provided with the square hole position of corresponding cornice sheathing upper
Table top square hole adhesive tape sealing groove, upper table surface circular hole adhesive tape sealing groove is provided with the circular hole position of corresponding cornice sheathing, along upper
Wallboard length direction is provided with a plurality of upper table surface air channel, and every upper table surface air channel is evacuated provided with least one upper table surface
Hole；Multiple upper table surface counterbores for being connected with base are provided with upper table surface；The shape of the shape of following table and the wainscot sheathing of side wall
Shape is identical, and following table is provided with following table edge bead sealed groove in its circumferential perimeter, is set in the square hole position of corresponding wainscot sheathing
There is following table square hole adhesive tape sealing groove, a plurality of following table air channel, every following table are being provided with along wainscot sheathing length direction
Air channel is provided with least one following table aspirating hole；Multiple following table counterbores for being connected with base are provided with following table；
Multiple sealing joint strips fill up above-mentioned upper table surface edge bead sealed groove, upper table surface square hole adhesive tape sealing groove, upper table surface circle
Hole adhesive tape sealing groove, following table edge bead sealed groove and following table square hole adhesive tape sealing groove.
The beneficial effects of the invention are as follows：The laser welding stainless steel curb wall upper and lower two table tops for positioning clamping tool
Upper surface shape it is respectively identical with the shape of corresponding region on the external side wall curved surface of side wall, the lower section of table top is by matched
Base be supported and fix.Table top is provided with a plurality of air channel, and every air channel is provided with least one aspirating hole, table top
The position periphery of the perforate on respective side wall is all provided with fluted, and sealing joint strip is filled up in groove.By by each upper table surface
Aspirating hole and following table aspirating hole are connected with the vacuum lines of negative pressure system can uniformly and synchronously take each away
Air in air channel, so as to form vacuum uniformly big face between the lateral wall curved surface of side wall body and the upper surface of table top
Product negative pressure region, and then cause the circular arc camber lateral surface of side wall body to be fixed on the positioning clamping of the present invention by uniform negative pressure
In frock.Large area negative pressure region is further divided into facial plane of appearing on the stage and born by multiple closing seam adhesive tape regions independent of each other
Nip and following table circular arc camber negative pressuren zone, so as to be advantageous to adjust the vacuum of the two big negative pressuren zone respectively, and can be separately
Extra compensation control is carried out to the vacuum degree of following table circular arc camber negative pressuren zone.
Positioning clamping tool lateral wall curved surface of offside wall by way of negative-pressure adsorption is positioned, and is overcome fast
The problem of crimping point offside wall outer side wall of fast clamp causes compressing to deform, by the way that multiple air channels are accessed into negative pressure respectively
The form of vacuum lines with avoid large area region pressure in the middle part of side wall body apply uneven triggered protuberance deformation or
Collapse, while the cleanliness and aesthetics of side wall body curved surface is preferably protected, moreover it is possible to the big face being pointed in the middle part of side wall body
The high precision positioning that product region synchronizes, so as to ensure the gap width in the lower surface of corrugated plating and side wall body between side wall
Control can be easier within given spacing range, laser welding process can be complied fully with to its allowance weld gap
The high standard control of value requires, and finally causes laser welding process to be able to the welding of the stainless steel curb wall applied to rail vehicle
Field.
In addition laser welding stainless steel curb wall positioning clamping tool also has simple and practical, easy to operate, into
This is cheap, the advantages that being easy to popularize.
Brief description of the drawings
Fig. 1 is the stereogram of rail vehicle stainless steel curb wall；
Fig. 2 is Fig. 1 side right view；
Fig. 3 is the stereogram of side wall body；
Fig. 4 is the stereogram of laser welding stainless steel curb wall positioning clamping tool of the present invention；
Fig. 5 is Fig. 4 right view；
Fig. 6 is the stereogram of whole sealing joint strips on table top of the present invention；
Fig. 7 is the stereogram of table top of the present invention；
Fig. 8 is the stereogram of base of the present invention；
Fig. 9 is the partial enlarged drawing of I parts in Fig. 7；
Figure 10 is the application schematic diagram of laser welding stainless steel curb wall positioning clamping tool of the present invention.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
As shown in Fig. 4 to Fig. 9, laser welding stainless steel curb wall of the invention includes table top 3 and bottom with positioning clamping tool
Seat 4, the shape of table top 3 is identical with the shape of the lateral wall curved surface profile of side wall body 1, overall profile and the table top 3 of the upper surface of base 4
The overall profile of lower surface matches, and table top 3 is connected on base 4 by bolt.Table top 3 is provided with a plurality of air channel, every
Air channel is provided with least one aspirating hole, and table top 3 is all provided with fluted, groove in the position periphery of perforate on respective side wall 1
Inside fill up sealing joint strip.
Table top 3 includes upper table surface 3-1, following table 3-2 and multiple sealing joint strip 3-3.
The shape of upper table surface 3-1 upper surfaces is identical with the shape of the cornice sheathing 1-1 lateral wall curved surface profiles of side wall, right at its
Cornice sheathing 1-1 window area 1-1-1 position is answered to be provided with upper table surface window 3-1-7, in upper table surface window 3-1-7 profile
Edge is provided with upper table surface edge bead provided with upper table surface window adhesive tape sealing groove 3-1-7-1, upper table surface 3-1 in its circumferential perimeter
Sealed groove 3-1-1, upper table surface square hole adhesive tape sealing is provided with corresponding cornice sheathing 1-1 cornice sheathing small square hole 1-1-2 position
Groove 3-1-2, upper table surface circular hole adhesive tape sealing groove 3-1-3 is provided with corresponding cornice sheathing small sircle hole 1-1-3 position, along upper
Wallboard 1-1 length directions are provided with a plurality of upper table surface air channel 3-1-4, and every upper table surface air channel 3-1-4 is provided with least one
Multiple upper table surface counterbore 3-1-6 for being connected with base 4 are provided with individual upper table surface aspirating hole 3-1-5, upper table surface 3-1.
Following table 3-2 shape is identical with the wainscot sheathing 1-2 of side wall shape, and following table 3-2 is provided with its circumferential perimeter
Following table edge bead sealed groove 3-2-1, it is provided with and leaves office in corresponding wainscot sheathing 1-2 wainscot sheathing small square hole 1-2-1 position
Face square hole adhesive tape sealing groove 3-2-2, it is being provided with a plurality of following table air channel 3-2-3 along wainscot sheathing 1-2 length directions, every
Following table air channel 3-2-3 is provided with least one following table aspirating hole 3-2-4.It is provided with following table 3-2 for connecting with base 4
The multiple following table counterbore 3-2-5 connect.In order to ensure the accuracy of manufacture of table top 3, using table top 3 first is passed through into bolt and base 4
On each counterbore be connected, the mode then integrally finished to the upper surface of table top 3 with numerical control machining center again, appear on the stage
Face 3-1 is processed into horizontal plane, and its flatness scope is 0~0.3mm, upper table surface 3-2 face shape error value also need control 0~
Within the scope of 0.3mm.
It is close that multiple sealing joint strip 3-3 fill up above-mentioned upper table surface edge bead sealed groove 3-1-1, upper table surface square hole adhesive tape
Seal groove 3-1-2, upper table surface circular hole adhesive tape sealing groove 3-1-3, following table edge bead sealed groove 3-2-1 and following table side
Hole adhesive tape sealing groove 3-2-2.
As shown in Figure 10, when the laser welding stainless steel curb wall of the concrete application present invention is with positioning clamping tool, make first
Downwards and make window area 1-1-1, the cornice sheathing small square hole 1- opened up on cornice sheathing 1-1 on the outside of the circular arc camber of side wall body 1
1-2 and cornice sheathing small sircle hole 1-1-3 and upper table surface window adhesive tape sealing groove 3-1-7-1, upper table surface square hole adhesive tape sealing groove
3-1-2 and cornice sheathing small sircle hole adhesive tape sealing groove 3-1-3 align respectively, and make the two lower walls opened up on wainscot sheathing 1-2
Plate small square hole 1-2-1 also aligns with following table square hole adhesive tape sealing groove 3-2-2.
Each upper table surface aspirating hole 3-1-5 and following table counterbore 3-2-5 are connected with vacuum lines, and start negative pressure
System takes air away, you can negative pressure region is formed between the lateral wall curved surface of side wall body 1 and the upper surface of table top 3, and this is negative
Pressure vacuum area respectively by its each corresponding to closing seam adhesive tape 3-3 curves be separated into upper table surface large area independent of each other and put down
Two big region of face negative pressuren zone 3-3-1 and following table large area circular arc camber negative pressuren zone 3-3-2, and then cause the circular arc of side wall body 1
Curved outer side surface is by uniform negative pressure pressure fixing on the positioning clamping tool of the present invention.
It using the positioning clamping tool of the present invention, can be held in the gap width of optional position framed side wallboard and table top
Within 0.01mm.
Claims (1)
1. laser welding stainless steel curb wall positioning clamping tool, it includes table top (3) and base (4), the shape of table top (3) and
The shape of side wall body (1) lateral wall curved surface profile is identical, and the overall profile of base (4) upper surface is whole with table top (3) lower surface
Body profile matches, and table top (3) is connected on base (4) by bolt；Table top (3) is provided with a plurality of air channel, every ventilation
Groove is provided with least one aspirating hole, and table top (3) position periphery of perforate on respective side wall (1) is all provided with fluted, groove
Inside fill up sealing joint strip；Characterized in that, the table top (3) includes upper table surface (3-1), following table (3-2) and multiple fluid sealants
Bar (3-3)；
The shape of upper table surface (3-1) is identical with the shape of the cornice sheathing (1-1) of side wall, in the window of its corresponding cornice sheathing (1-1)
The position in region (1-1-1) is provided with upper table surface window (3-1-7), is provided with the contour edge of upper table surface window (3-1-7) upper
Table top window adhesive tape sealing groove (3-1-7-1), upper table surface (3-1) are recessed provided with the sealing of upper table surface edge bead in its circumferential perimeter
Groove (3-1-1), upper table surface square hole adhesive tape sealing groove (3-1-2) is provided with the square hole position of corresponding cornice sheathing (1-1), corresponding
The circular hole position of cornice sheathing (1-1) is provided with upper table surface circular hole adhesive tape sealing groove (3-1-3), along cornice sheathing (1-1) length side
A plurality of upper table surface air channel (3-1-4) is provided with upwards, and every upper table surface air channel (3-1-4) is taken out provided with least one upper table surface
Stomata (3-1-5)；Multiple upper table surface counterbores (3-1-6) for being connected with base (4) are provided with upper table surface (3-1)；
The shape of following table (3-2) is identical with the shape of the wainscot sheathing (1-2) of side wall, and following table (3-2) is set in its circumferential perimeter
There is following table edge bead sealed groove (3-2-1), following table square hole adhesive tape is provided with the square hole position of corresponding wainscot sheathing (1-2)
Sealed groove (3-2-2), a plurality of following table air channel (3-2-3), every leave from office are being provided with along wainscot sheathing (1-2) length direction
Face air channel (3-2-3) is provided with least one following table aspirating hole (3-2-4)；It is provided with and is used for and base on following table (3-2)
(4) multiple following table counterbores (3-2-5) of connection；
It is close that multiple sealing joint strips (3-3) fill up above-mentioned upper table surface edge bead sealed groove (3-1-1), upper table surface square hole adhesive tape
Seal groove (3-1-2), upper table surface circular hole adhesive tape sealing groove (3-1-3), following table edge bead sealed groove (3-2-1) and under
Table top square hole adhesive tape sealing groove (3-2-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839717.4A CN106346150B (en) | 2016-09-22 | 2016-09-22 | Laser welding stainless steel curb wall positioning clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839717.4A CN106346150B (en) | 2016-09-22 | 2016-09-22 | Laser welding stainless steel curb wall positioning clamping tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106346150A CN106346150A (en) | 2017-01-25 |
| CN106346150B true CN106346150B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610839717.4A Active CN106346150B (en) | 2016-09-22 | 2016-09-22 | Laser welding stainless steel curb wall positioning clamping tool |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127597B (en) * | 2017-05-25 | 2018-10-09 | 中车长春轨道客车股份有限公司 | Roof processes positioning assisting tooling and the roof integral processing method based on the tooling |
| CN107378277B (en) * | 2017-07-05 | 2018-09-07 | 中车长春轨道客车股份有限公司 | Stainless steel trolley coach side wall laser stitch welding joint pressing device and method |
| RU179348U1 (en) * | 2017-07-07 | 2018-05-10 | Игорь Игоревич Филатов | STAPEL FOR ASSEMBLY UNDER WELDING OF HALF HOUSING OF THE LOCOMOTIVE TRACTION REDUCER |
| RU179349U1 (en) * | 2017-07-07 | 2018-05-10 | Игорь Игоревич Филатов | STAPEL FOR ASSEMBLY UNDER WELDING OF THE LOCOMOTIVE TRACTION REDUCER COVER |
| CN109158820B (en) * | 2018-11-12 | 2019-12-24 | 中车长春轨道客车股份有限公司 | Welding positioning auxiliary device for skirt board of train |
| CN110340524B (en) * | 2019-07-30 | 2022-11-08 | 中车长春轨道客车股份有限公司 | Laser welding method for steel structure of side wall of rail transit passenger car and application device |
| CN112846608A (en) * | 2020-12-28 | 2021-05-28 | 中国原子能科学研究院 | Welding tool for laser welding of sealing cylinder |
| CN113500320B (en) * | 2021-07-29 | 2022-04-19 | 中车长春轨道客车股份有限公司 | Assembly welding process for front-end module of underframe of corrugated plate plug-in type box structure |
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| CN205318292U (en) * | 2016-01-25 | 2016-06-15 | 林星 | Electronic equipment fixed knot constructs |
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| JP6439297B2 (en) * | 2014-07-04 | 2018-12-19 | 富士電機株式会社 | Impurity introduction method, impurity introduction apparatus, and semiconductor device manufacturing method |
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| CN203496422U (en) * | 2013-08-27 | 2014-03-26 | 福建宝发光电科技有限公司 | Printing device for curved surface protection glass of touch screen |
| CN205057850U (en) * | 2015-09-25 | 2016-03-02 | 富鼎电子科技(嘉善)有限公司 | Positioning apparatus |
| CN205318292U (en) * | 2016-01-25 | 2016-06-15 | 林星 | Electronic equipment fixed knot constructs |
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