CN108994438A - The full spot welding side wall manufacturing process of surface not coating stainless steel passenger train - Google Patents
The full spot welding side wall manufacturing process of surface not coating stainless steel passenger train Download PDFInfo
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- CN108994438A CN108994438A CN201811030526.9A CN201811030526A CN108994438A CN 108994438 A CN108994438 A CN 108994438A CN 201811030526 A CN201811030526 A CN 201811030526A CN 108994438 A CN108994438 A CN 108994438A
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- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
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Abstract
The full spot welding side wall manufacturing process of surface not coating stainless steel passenger train is related to stainless steel railroad car bodywork side wall manufacturing technology field, the technique is: the big skeleton of side wall is divided into multiple independent small skeletons, the small skeleton of each independence after division is subjected to respective group to point weldering, by each small skeleton group of respective group to point postwelding to the big skeleton of synthesis, big skeleton after synthesis is subjected to wallboard operation, the upper, middle and lower wallboard mated formation is subjected to automatic welding, side wall after automatic welding is subjected to window cutting operations, and then completes side wall manufacturing process.Present invention process advantages of simple, strong operability, it is to be tried out in Thailand SRT115 project in company, successfully complete the production of car side, the technique for realizing the full spot welding of stainless steel material, reduce welding deformation caused by arc-welding, improve product quality, while filling up the blank of the full spot welding of stainless steel passenger train of China's production without similar railcar front door.
Description
Technical field
The present invention relates to stainless steel railroad car bodywork side wall manufacturing technology fields, and in particular to a kind of surface not coating is not
The rust full spot welding side wall manufacturing process of steel passenger train.
Background technique
Currently, the lightweight austenite high-strength stainless steel vehicle of each requirements of the owner both domestic and external, be largely surface not
The vehicle of coating, i.e. side wall outer surface apply flat, coating paint without putty, using impedance spot welding.For passenger train,
Without the gate mouth structure of similar railcar, side wall manufacture cannot be using the technique for being segmented small side wall, and side wall panel is elongated to be had
Beading cannot decorate Welding using the counter of copper platform, can only use formal dress technique.It is thus impossible to using existing production carbon steel vehicle
Arc welding process and the railcar with front door manufacturing process, carry out stainless steel railroad car bodywork side wall manufacture.
Summary of the invention
The object of the present invention is to provide a kind of full spot welding side wall manufacturing process of surface not coating stainless steel passenger train, are suitble to
Without the manufacture of the stainless steel Passenger train side wall of front door, whole process uses impedance spot welding, and avoiding arc welding process causes outside
The shape unsightly defect big with welding deformation.
To achieve the goals above, the technical solution used in the present invention is as follows:
The full spot welding side wall manufacturing process of surface not coating stainless steel passenger train comprising following steps:
Step 1: the big skeleton of side wall is divided into multiple independent small skeletons, process is as follows:
Side wall lower-edge beam is divided into an independent small skeleton, is divided into an ossiculum without the "A" end of car head of window
Frame；Each adjacent two window structure in ten windows of side wall side is divided into a small skeleton, amounts to five small skeletons；No
An end with window is divided into a small skeleton, and doorway top skeleton is divided into a small skeleton, and doorframe is divided into one
Small skeleton, each small skeleton are respectively adopted independent group and welding are grouped to tooling；
Step 2: the small skeleton of each independence after step 1 is divided carries out respective group to point weldering, process is as follows:
Five small skeletons with window, without amount of deflection, use anti-dress technique with the positioning of heel post root, guarantee in group clock synchronization
Point-blank, the column and crossbeam of window surrounding have positioning for heel post root, first weld window using the small soldering turret of throat depth
The impedance spot welding of the window stringer and window pillar, window upper pillar stand composition, window lower pillar stand composition of mouth surrounding；For each stringer and stand
The connecting plate of column junction, it is -13.5 ° that soldering turret, which adjusts the angle, between the stringer, column, connecting plate at spot welding window arc lower
Welding；
For the "A" end of car head without window and without an end of window, with a root post, two rows of crossbeams for one
Unit, after the completion of spot welding, this unit horizontal is mobile, the column and crossbeam of group weldering next unit in first unit basis, directly
All columns and crossbeam are soldered into group, and the gap of column and crossbeam guarantees skeleton overall length by production gap template；
Step 3: process is as follows by each small skeleton group of the respective group to point postwelding of step 2 to big skeleton is synthesized:
The big skeleton of side wall is synthesized in the side wall synthesis position of foetus, using formal dress technique, first group is following by side wall to side wall lower-edge beam
Beam is close to tool locating, and tool locating has the amount of deflection of default 15mm, and side bar amount of deflection is uniform camber line；Group is to two without window
Position end, five small skeletons with window and without window an end when, successively mat formation in sequence, complete two ossiculums
The spot welding of stringer between window between frame, the stringer of the window's position, which is put in the small soldering turret of throat depth from window, carries out spot welding, to window
Lower position carries out spot welding with the big soldering turret of throat depth；Group completes the stringer of doorway top skeleton and without window to doorway top skeleton
Spot welding between the column of one end of mouth；Finally group synthesizes big skeleton to doorframe；
Step 4: the big skeleton after step 3 is synthesized carries out wallboard operation, process is as follows:
The big skeleton position of foetus in post synthesis carries out upper, middle and lower wallboard of mating formation, and each wallboard lap position first applies conductive seal
Glue；Position of foetus both ends are all provided with tension device in upper, middle and lower position of wallboards, and top electrode uses the flat electrodes of Universal-head；First mat formation lower wall
Plate, the lower edges of boards of wainscot sheathing are aligned with the lower edges of boards of side wall lower-edge beam, and wainscot sheathing both ends Air low-temperature plasma circular hole is used for
It determines the tension point position of pretension, tenses and use chain block, tightening force control makes wainscot sheathing flatten corrugationless, in tension-like
State solid point wainscot sheathing and big skeleton, from centre sequentially to both ends tack welding；
Then, mat formation deadlight, both ends tense deadlight using pretension mode identical with wainscot sheathing, adjust
The amount of lap of deadlight and wainscot sheathing is put in the big soldering turret of throat depth from side wall lower-edge beam, carries out solid point deadlight and big skeleton；
Horse leg welding position is overlapped in deadlight and wainscot sheathing, window width sizing line is drawn according to window two sides stud,
Window height sizing line, the reference line as later period window are drawn according to window upper beam position；
Finally, cornice sheathing of mating formation, both ends tense cornice sheathing using pretension mode identical with wainscot sheathing, guarantee
Cornice sheathing is straight and tight with big skeleton patch, adjusts the amount of lap of cornice sheathing and deadlight, with the big soldering turret of throat depth from it is intermediate sequentially
To both ends tack welding；
Step 5: the upper, middle and lower wallboard that step 4 has been mated formation carries out automatic welding, process is as follows:
Mode is hung using flat by two overhead traveling cranes, the side wall that solid point is completed is hoisted to side with integral frame-type suspender
The wall automatic welding position of foetus carries out the spot welding of upper, middle and lower wallboard and big skeleton, first spot welding car body with upper and lower separate type spot-welding equipment
Center, then from center to both ends spot welding；
Step 6: the side wall after step 5 automatic welding is carried out window cutting operations, process is as follows:
Using formal dress mode, side wall panel outer surface is protected with crystal slab before cutting, the window drawn according to step 4
Mouth width degree and height dimension position line carry out window cutting using cutting template and air plasma cutter, repair again after cutting
Mill, and then complete side wall manufacturing process.
The beneficial effects of the present invention are: present invention process advantages of simple, strong operability are Thailand SRT115 in company
It is tried out on mesh, successfully completes the production of car side, the technique for realizing the full spot welding of stainless steel material, caused by reducing arc-welding
Welding deformation improves product quality, while having filled up stainless steel railway passenger of China's production without similar railcar front door
The blank of the full spot welding of vehicle.
Detailed description of the invention
Fig. 1 is the principle signal that the full spot welding side wall skeleton of surface not coating stainless steel passenger train of the present invention divides small skeleton
Figure.
Fig. 2 is the layout structure schematic diagram of the full spot welding side wall wallboard of surface not coating stainless steel passenger train of the present invention.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawing.
As depicted in figs. 1 and 2, the full spot welding side wall manufacturing process of surface not coating stainless steel passenger train of the present invention includes such as
Lower step:
Step 1: the big skeleton of side wall is divided into multiple independent small skeletons, process is as follows:
For the design feature of side wall steel construction, left side of car wall has ten big windows, adjacent window apertures symmetrical configuration, two ends
Head is the structure without window.Such as Fig. 1, side wall lower-edge beam 1 is divided into an independent small skeleton, without the "A" end of car of window
First 2 are divided into a small skeleton；Each adjacent two window structure in ten windows of side wall side is divided into a small skeleton,
Amount to five small skeletons shown in label 3 to label 7 as shown in figure 1；It is divided into a small skeleton without an end 8 of window,
Doorway top skeleton 9 is divided into a small skeleton, and doorframe 10 is divided into a small skeleton, and independent group pair is respectively adopted in each small skeleton
Welding is grouped in tooling；
Step 2: the small skeleton of each independence after step 1 is divided carries out respective group to point weldering, process is as follows:
Five small skeletons with window, without amount of deflection, use anti-dress technique with the positioning of heel post root, guarantee in group clock synchronization
Point-blank, the column and crossbeam of window surrounding have positioning for heel post root, first weld window using the small soldering turret of throat depth
The impedance spot welding of the window stringer and window pillar, window upper pillar stand composition, window lower pillar stand composition of mouth surrounding；For each stringer and stand
The connecting plate of column junction, it is -13.5 ° that soldering turret, which adjusts the angle, and definition horizontal plane is benchmark plane, and the vertical datum plane is downward
13.5 ° are rotated, the welding between stringer, column, connecting plate at spot welding window arc lower；
For the "A" end of car head 2 without window and without an end 8 of window, with a root post, two rows of crossbeams for one
A unit, after the completion of spot welding, this unit horizontal is mobile, the column and crossbeam of group weldering next unit in first unit basis,
Until group is soldered into all columns and crossbeam, the gap of column and crossbeam guarantees skeleton overall length by production gap template；
Step 3: process is as follows by each small skeleton group of the respective group to point postwelding of step 2 to big skeleton is synthesized:
The big skeleton of side wall is synthesized in the side wall synthesis position of foetus, using formal dress technique, first group, will be under side wall to side wall lower-edge beam 1
Side bar 1 is close to tool locating, and tool locating has the amount of deflection of default 15mm, and side bar amount of deflection is uniform camber line；Group is to without window
"A" end of car head 2, five small skeletons with window and without window an end 8 when, successively mat formation in sequence, complete two
The spot welding of stringer between window between a small skeleton, the stringer of the window's position, which is put in the small soldering turret of throat depth from window, to carry out a little
Weldering, carries out spot welding with the big soldering turret of throat depth to position under window；Group completes the stringer of doorway top skeleton 9 to doorway top skeleton 9
Spot welding between the column of an end 8 without window；Finally group synthesizes big skeleton to doorframe 10；
Step 4: the big skeleton after step 3 is synthesized carries out wallboard operation, process is as follows:
The big skeleton position of foetus in post synthesis carries out upper, middle and lower wallboard of mating formation, and each wallboard lap position first applies conductive seal
Glue；Position of foetus both ends are all provided with tension device in upper, middle and lower position of wallboards, and top electrode uses the flat electrodes of Universal-head；As shown in Fig. 2,
First mat formation wainscot sheathing 11, the lower edges of boards of wainscot sheathing 11 are aligned with the lower edges of boards of side wall lower-edge beam 1,11 both ends air of wainscot sheathing etc.
Ion cuts circular hole, for determining the tension point position of pretension, tenses and uses chain block, tightening force control makes wainscot sheathing 11
Corrugationless is flattened, in tension solid point wainscot sheathing 11 and big skeleton, from centre sequentially to both ends tack welding；
Then, to mat formation deadlight 12, both ends tense deadlight using pretension mode identical with wainscot sheathing 11,
The amount of lap for adjusting deadlight 12 and wainscot sheathing 11, is put in the big soldering turret of throat depth from side wall lower-edge beam 1, carries out solid point deadlight
12 with big skeleton；Horse leg welding position is overlapped in deadlight 12 and wainscot sheathing 11, window is drawn according to window two sides stud
Width dimensions position line draws window height sizing line, the reference line as later period window according to window upper beam position；
Finally, cornice sheathing 13 of mating formation, both ends tense cornice sheathing using pretension mode identical with wainscot sheathing 11,
Guarantee that cornice sheathing 13 is straight and tight with big skeleton patch, the amount of lap of cornice sheathing 13 and deadlight 12 is adjusted, with the big soldering turret of throat depth
From centre sequentially to both ends tack welding；
Step 5: the upper, middle and lower wallboard that step 4 has been mated formation carries out automatic welding, process is as follows:
Mode is hung using flat by two overhead traveling cranes, the side wall that solid point is completed is hoisted to side with integral frame-type suspender
The wall automatic welding position of foetus carries out the spot welding of upper, middle and lower wallboard and big skeleton, first spot welding car body with upper and lower separate type spot-welding equipment
Center, then from center to both ends spot welding；
Step 6: the side wall after step 5 automatic welding is carried out window cutting operations, process is as follows:
Using formal dress mode, side wall panel outer surface is protected with crystal slab before cutting, operator will wear soft basic skill or training and make
Shoes, putting on shoe covers, the window width drawn according to step 4 and height dimension position line are cut using cutting template and air plasma
Cutting mill carries out window cutting, reconditioning again after cutting, and then completes side wall manufacturing process.
Claims (1)
1. the full spot welding side wall manufacturing process of surface not coating stainless steel passenger train, which is characterized in that the technique includes following step
It is rapid:
Step 1: the big skeleton of side wall is divided into multiple independent small skeletons, process is as follows:
Side wall lower-edge beam (1) is divided into an independent small skeleton, is divided into an ossiculum without the "A" end of car head (2) of window
Frame；Each adjacent two window structure in ten windows of side wall side is divided into a small skeleton, amounts to five small skeletons；No
An end (8) with window is divided into a small skeleton, and doorway top skeleton (9) is divided into a small skeleton, doorframe (10)
It is divided into a small skeleton, each small skeleton is respectively adopted independent group and welding is grouped to tooling；
Step 2: the small skeleton of each independence after step 1 is divided carries out respective group to point weldering, process is as follows:
Five small skeletons with window, without amount of deflection, use anti-dress technique with the positioning of heel post root, guarantee edge-on in group clock synchronization
Point-blank, the column and crossbeam of window surrounding have positioning for column root, soldering turret welding window four first small using throat depth
The impedance spot welding of the window stringer and window pillar, window upper pillar stand composition, window lower pillar stand composition in week；Each stringer and column are connected
The connecting plate at place is connect, it is -13.5 ° that soldering turret, which adjusts the angle, the welding between stringer, column, connecting plate at spot welding window arc lower；
For the "A" end of car head (2) without window and without an end (8) of window, with a root post, two rows of crossbeams for one
A unit, after the completion of spot welding, this unit horizontal is mobile, the column and crossbeam of group weldering next unit in first unit basis,
Until group is soldered into all columns and crossbeam, the gap of column and crossbeam guarantees skeleton overall length by production gap template；
Step 3: process is as follows by each small skeleton group of the respective group to point postwelding of step 2 to big skeleton is synthesized:
The big skeleton of side wall is synthesized in the side wall synthesis position of foetus, using formal dress technique, first group is following by side wall to side wall lower-edge beam (1)
Beam (1) is close to tool locating, and tool locating has the amount of deflection of default 15mm, and side bar amount of deflection is uniform camber line；Group is to without window
"A" end of car head (2), five small skeletons with window and without window end (8) when, successively mat formation in sequence, it is complete
At the spot welding of stringer between the window between two small skeletons, the stringer of the window's position, which is put in the small soldering turret of throat depth from window, to be carried out
Spot welding carries out spot welding with the big soldering turret of throat depth to position under window；Group completes doorway top skeleton (9) doorway top skeleton (9)
Stringer and without the spot welding between the column of an end (8) of window；Finally group synthesizes big skeleton to doorframe (10)；
Step 4: the big skeleton after step 3 is synthesized carries out wallboard operation, process is as follows:
The big skeleton position of foetus in post synthesis carries out upper, middle and lower wallboard of mating formation, and each wallboard lap position first applies Conductive sealant；Tire
Position both ends are all provided with tension device in upper, middle and lower position of wallboards, and top electrode uses the flat electrodes of Universal-head；First mat formation wainscot sheathing
(11), the lower edges of boards of wainscot sheathing (11) are aligned with the lower edges of boards of side wall lower-edge beam (1), wainscot sheathing (11) both ends air plasma
Circular hole is cut, for determining the tension point position of pretension, tenses and uses chain block, tightening force control opens up wainscot sheathing (11)
Flat corrugationless, in tension solid point wainscot sheathing (11) and big skeleton, from centre sequentially to both ends tack welding；
Then, mat formation deadlight (12), both ends using identical pretension mode tenses deadlight with wainscot sheathing (11),
The amount of lap for adjusting deadlight (12) and wainscot sheathing (11), is put in the big soldering turret of throat depth from side wall lower-edge beam (1), carries out solid point
Deadlight (12) and big skeleton；Horse leg welding position is overlapped in deadlight (12) and wainscot sheathing (11), according to two heel post of window
Position draws window width sizing line, draws window height sizing line according to window upper beam position, is used as later period window
The reference line of mouth；
Finally, cornice sheathing of mating formation (13), both ends using identical pretension mode tenses cornice sheathing with wainscot sheathing (11),
Guarantee that cornice sheathing (13) are straight and tight with big skeleton patch, adjusts the amount of lap of cornice sheathing (13) and deadlight (12), it is big with throat depth
Soldering turret from centre sequentially to both ends tack welding；
Step 5: the upper, middle and lower wallboard that step 4 has been mated formation carries out automatic welding, process is as follows:
Mode is hung using flat by two overhead traveling cranes, the side wall that solid point is completed is hoisted to side wall certainly with integral frame-type suspender
The dynamic welding position of foetus, the spot welding of upper, middle and lower wallboard and big skeleton, first spot welding car body center are carried out with upper and lower separate type spot-welding equipment
Position, then from center to both ends spot welding；
Step 6: the side wall after step 5 automatic welding is carried out window cutting operations, process is as follows:
Using formal dress mode, side wall panel outer surface is protected with crystal slab before cutting, the window drawn according to step 4 is wide
Degree and height dimension position line, using cutting template and air plasma cutter progress window cutting, reconditioning again after cutting, into
And complete side wall manufacturing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811030526.9A CN108994438B (en) | 2018-09-05 | 2018-09-05 | Manufacturing process of all-spot-welding side wall of passenger car without coating stainless steel on surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811030526.9A CN108994438B (en) | 2018-09-05 | 2018-09-05 | Manufacturing process of all-spot-welding side wall of passenger car without coating stainless steel on surface |
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| Publication Number | Publication Date |
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| CN108994438A true CN108994438A (en) | 2018-12-14 |
| CN108994438B CN108994438B (en) | 2020-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560897A (en) * | 2019-09-02 | 2019-12-13 | 南京中车浦镇城轨车辆有限责任公司 | Assembly welding method for integral side wall of plate beam of rail vehicle |
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| US20180071855A1 (en) * | 2014-07-28 | 2018-03-15 | Hyundai Motor Company | Spot welding apparatus |
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