CN107309591B - B-mode beam welding tooling and method - Google Patents
B-mode beam welding tooling and method Download PDFInfo
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- CN107309591B CN107309591B CN201710703820.0A CN201710703820A CN107309591B CN 107309591 B CN107309591 B CN 107309591B CN 201710703820 A CN201710703820 A CN 201710703820A CN 107309591 B CN107309591 B CN 107309591B
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- stringer
- fixation kit
- down mechanism
- side wall
- body side
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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
- 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
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Joining Of Building Structures In Genera (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention provides a kind of B-mode beam welding tooling and method.The welding tooling includes: at least two long beams being parallel to each other, at least two stringers being vertically set on the long beam and the fixation kit being arranged on the stringer；The stringer can be slided along the length direction of the long beam；The fixation kit can be slided along the length direction of the stringer, and the fixation kit is for compressing B-mode beam；The fixation kit, comprising: fixed plate and at least one the oblique hold-down mechanism being arranged in the fixed plate；Wherein, the oblique hold-down mechanism, the oblique hold-down mechanism upper body including pedestal and setting on the base；The oblique hold-down mechanism upper body, including screw rod base, the screw rod matched with the screw rod base and the movable ram that the screw lower end is arranged in.Embodiment improves the versatilities of B-mode beam welding tooling, realize flexibility, the modularization, standardized production of welding, also improve efficiency while guaranteeing welding quality.
Description
Technical field
The present invention relates to Machine Manufacturing Technology more particularly to a kind of B-mode beam welding tooling and methods.
Background technique
Currently, domestic trolley coach is all to use carbon steel vehicle, and carbon steel vehicle is mainly to pass through frame structure mostly
It is welded, such as the side wall of passenger car body, the quality of the frame structure being exactly welded by B-mode beam, welding will be closed directly
It is to the integrally-built stabilization of trolley coach and performance.
Vehicle body side wall is mainly formed by B-mode beam lateral column and B-mode beam beam welding, wherein crossbeam length up to 25 meters with
On, huge frame structure causes side wall overall structural strength and rigidity is poor, results in during the welding process very
Easily cause the mass defects such as welding deformation, dimension overproof, amount of deflection be undesirable.In addition, for the difference in same vehicle
Passenger car and dining car compartment in vehicle, such as same vehicle, lateral column spacing can be also slightly different, therefore, to every section
The position for correspondingly adjusting lateral column is required when the side wall in compartment is welded.
In the prior art, mainly pass through fixed platform when welding carbon steel vehicle side wall to position.Fig. 1 is existing
There is sidewall welding location structure schematic diagram in technology, as shown in Figure 1, first putting lateral column 1 and crossbeam 2 on platen 3, then leads to
Fast compressing device 4 is crossed to clamp lateral column 1 and crossbeam 2 on platen 3.Existing fixed platform positioning method, versatility is not strong,
Every kind of vehicle requires the drilling and tapping fastening on platform again when converting locating piece and pressing device, and carries out in turn again
Adjustment, workload is very big, and the conversion of every kind of vehicle at least needs 3-5 days time, it is difficult to guarantee wanting for quality and manufacturing schedule
It asks, and threaded hole excessive on platform also can largely limit the recycling of platform.
Summary of the invention
The present invention provides a kind of B-mode beam welding tooling and method, and platform compatibility is welded and fixed to solve existing B-mode beam
Not strong problem, so that the flexibility of B-mode beam welding, modularization, standardized production are realized, while guaranteeing welding quality
Also improve production efficiency.
The present invention provides a kind of B-mode beam welding tooling, comprising: at least two long beams being parallel to each other, at least two hang down
The straight stringer being arranged on the long beam and the fixation kit being arranged on the stringer；
The stringer can be slided along the length direction of the long beam；
The fixation kit can be slided along the length direction of the stringer, and the fixation kit is for compressing B-mode beam；
The fixation kit, comprising: fixed plate and at least one the oblique hold-down mechanism being arranged in the fixed plate；Its
In,
The oblique hold-down mechanism, the oblique hold-down mechanism upper body including pedestal and setting on the base；
The oblique hold-down mechanism upper body exists including screw rod base, the screw rod matched with the screw rod base and setting
The movable ram of the screw lower end.
Optionally, the first seal face and the second seal face are provided on the movable ram；
First seal face is horizontally disposed plane；
The plane that second seal face is vertically arranged.
Optionally, it is 45 degree that the axis of the screw rod and vertical direction, which are formed by angle,.
Optionally, the oblique hold-down mechanism upper body, further includes: the straight pin in the screw rod base is set；
The mounting hole matched with the straight pin is provided on the pedestal；
One end that the straight pin is matched with the mounting hole circumferentially offers straight pin and determines groove；
The screw hole that holding screw passes through on the pedestal, which is connected to the straight pin, to be determined in groove.
Optionally, the welding tooling, further includes: pressing plate；
The first end of the pressing plate and the bottom surface of the fixed plate offset, the second end of the pressing plate and the stringer phase
It supports, the height of the first end of the pressing plate is higher than the height of the second end of the pressing plate；
The middle part of pressing plate described in screw bolt passes, the fixed plate and the pedestal, and formed detachably with nut
Connection.
Optionally, T-slot is offered on the long beam, T-bolt sequentially passes through the long beam, the stringer, and
It is detachably connected with nut formation.
Optionally, column is provided with below the crossbeam, the column is used to support the stringer and the long beam
The frame structure of composition；
The column is fixed on the ground by expansion bolt, and the column is connected with the long beam by bolt
It connects.
Optionally, the cross section of the long beam, the stringer and the column is I-shaped structure.
The present invention also provides a kind of B-mode beam welding methods, comprising:
According to the status requirement of vehicle body side wall lateral column, position of the stringer on the long beam is adjusted, and will be described
Stringer is fixed on the long beam；
According to the status requirement of vehicle body side wall crossbeam and camber requirement, the fixation kit on the stringer is adjusted,
And the fixation kit is fixed on the stringer；
It is using the oblique hold-down mechanism on the fixation kit that the vehicle body side wall lateral column and the vehicle body side wall is horizontal
Beam is pressed in the fixed plate of the fixation kit；
It welds the position that the vehicle body side wall lateral column is joined with the vehicle body side wall crossbeam.
Optionally, the welding method, in the position to the vehicle body side wall lateral column and vehicle body side wall crossbeam handover
After being welded, further includes:
The oblique hold-down mechanism upper body is separated with the pedestal, to complete the tire out of the vehicle body side wall.
The present invention provides a kind of B-mode beam welding tooling and method, adjustable on long beam length direction by using stringer
Frame structure and the fixation kit adjustable modular construction on stringer length direction so that B-mode beam in the welding process
Fixation kit can arbitrarily be adjusted and be fixed along horizontal and vertical both direction, improve the versatility of welding tooling.In addition,
B-mode beam is compressed by oblique hold-down mechanism, is not only able to achieve relatively reliable compression effect, thus guarantee welding quality,
The efficiency for going out tire after B-mode beam welds can also be greatly promoted.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is sidewall welding location structure schematic diagram in the prior art；
Fig. 2 is the structural schematic diagram of fast compressing device in the prior art；
Fig. 3 is the structural schematic diagram of locating piece shown in Fig. 2；
Fig. 4 is the B-mode beam welding tooling structure top view that the embodiment of the present invention one provides；
Fig. 5 is B-mode beam welding tooling structure front view shown in Fig. 4；
Fig. 6 is B-mode beam welding tooling the structure left view shown in Fig. 4；
Fig. 7 is the enlarged view of a-quadrant in Fig. 6；
Fig. 8 is the attached view of longitudinal beam structure shown in Fig. 4；
Fig. 9 is longitudinal beam structure front view shown in Fig. 4；
Figure 10 is longitudinal beam structure left view shown in Fig. 4；
Figure 11 is oblique hold-down mechanism front view shown in Fig. 10；
Figure 12 is oblique hold-down mechanism left view shown in Fig. 4；
Figure 13 is oblique hold-down mechanism top view shown in Fig. 4；
Figure 14 is oblique hold-down mechanism upper body structural schematic diagram shown in Figure 11；
Figure 15 is the application scenarios schematic diagram of B-mode beam welding method provided by Embodiment 2 of the present invention；
Figure 16 is the flow chart of B-mode beam welding method provided by Embodiment 2 of the present invention.
Description of symbols:
1: lateral column；2: crossbeam；
3: platform；4: fast compressing device；
41: locating piece；42: adjusting bolt；
411: slotted hole；51: crossbeam；
52: stringer；521:T type bolt；
53: column；54: fixation kit；
541: pressing plate；542: bolt；
543: nut；544: oblique hold-down mechanism；
5441: pedestal；54411: mounting hole；
5442: oblique hold-down mechanism upper body；54421: straight pin；
54422: screw rod base；54423: screw rod；
54424: movable ram；54425: straight pin determines groove；
54426: turncap；54427: the first seal faces；
54428: the second seal faces；5443: holding screw；
545: fixed plate；6: B-mode beam.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 4 is the B-mode beam welding tooling structure top view that the embodiment of the present invention one provides, and Fig. 5 is B-mode shown in Fig. 4
Beam welding tooling structure front view, Fig. 6 are B-mode beam welding tooling the structure left view shown in Fig. 4.As shown in Figure 4-Figure 6, originally
The B-mode beam welding tooling of embodiment includes:
At least two long beams 51 being parallel to each other, at least two stringers 52 being vertically set on long beam 51 and set
Set the fixation kit 54 on stringer 52, wherein stringer 52 can be slided along the length direction of long beam 51, and fixation kit 54 can edge
The length direction of stringer 52 slides, in addition, fixation kit 54 is for compressing B-mode beam.
Wherein, Fig. 7 is the enlarged view of a-quadrant in Fig. 6.As shown in fig. 7, T-slot is offered on long beam 51, in T-type
The T-bolt 521 mutually matched with it is provided in slot, T-bolt 521 sequentially passes through long beam 51 and stringer from bottom to top
52, that one end of stringer 52 is pierced by T-bolt 521 and nut forms dismountable threaded connection.When stringer 52 is in long beam
When position on 51 needs to be adjusted, then the nuts cooperated with T-bolt 521 all on the stringer 52 are unscrewed, Ji Keyan
51 length direction of long beam adjusts the position of stringer 52, and when stringer 52 slides into designated position, it can be vertical by tightening this
All nuts cooperated with T-bolt 521 on beam 52, realize fixation of the stringer 52 on long beam 51.
It is worth explanatorily, Fig. 2 is the structural schematic diagram of fast compressing device in the prior art, and Fig. 3 is shown in Fig. 2 fixed
The structural schematic diagram of position block.As shown in Fig. 2-Fig. 3, in the prior art, on the pedestal of the locating piece 41 on fast compressing device 4
Slotted hole 411 is set, adjusts bolt 42 and is connect across slotted hole 411 with platform 3, in the welding process, by adjusting spiral shell is adjusted
The whole position adjustment of fast compressing device 4 is realized in fixation position of the bolt 42 in slotted hole 411.But this regulative mode
Limitation it is larger, and maximum adjustment distance also can only be the length of slotted hole 411, be unable to satisfy during actual welding compared with
The position of long range adjusts.
However, in the present embodiment, Fig. 8 is the attached view of longitudinal beam structure shown in Fig. 4, Fig. 9 is stringer knot shown in Fig. 4
Structure front view, Figure 10 are longitudinal beam structure left view shown in Fig. 4.As shown in Fig. 8-Figure 10, the cross section of stringer 52 is I-shaped
Structure, fixation kit 54 are arranged on the upper limb of 52 I-shaped structure of stringer, and the width of fixation kit 54 is greater than on stringer 52
The width of the wing, therefore, 52 upper limb of stringer formation hierarchic structure is stretched out in part to fixed plate 545 in the width direction.In the ladder
Pressing plate 541 is provided at structure, the bottom surface of the first end and fixed plate 545 of pressing plate 541 offsets, and second end offsets with stringer 52.
Wherein, in order to enable pressing plate 541 can hold out against fixed plate 545 and stringer 52 simultaneously, the height of the first end of pressing plate 541 answers height
In the height of second end, it is preferable that 541 first end of pressing plate is just the thickness of 52 upper limb of stringer than the height that second end is higher by.
When position of the fixation kit 54 on stringer 52 needs to be adjusted, then match all on the fixation kit 54 with bolt 542
The nut 543 of conjunction is unscrewed, and the position of fixation kit 54 can be adjusted along 52 length direction of stringer, and when fixation kit 54 slides into
When designated position, it can realize fixation kit 54 on stringer 52 by tightening nut 543 all on the fixation kit 54
Fixation.The position of fixation kit 54 can arbitrarily be adjusted along 52 length direction of stringer in the present embodiment, adjustable range
Range is big, can preferably meet actual welding process to the positioning requirements of B-mode beam 6.
Specifically, the fixation kit 54 in the present embodiment includes fixed plate 545 and oblique hold-down mechanism 544, is baroclined tight
Mechanism 544 is mounted in fixed plate 545, wherein an oblique hold-down mechanism 544 can be only installed in every piece of fixed plate 545,
Multiple oblique hold-down mechanisms 544 can be installed simultaneously, there are two different oblique of compaction direction for example, installing in fixed plate 545
Hold-down mechanism 544, in order to compress to the B-mode beam 6 that different directions are arranged, the present embodiment is not to every piece of fixed plate 545
The quantity of upper oblique hold-down mechanism 544 and the direction being specifically arranged are defined.
Specifically, Figure 11 is oblique hold-down mechanism front view shown in Fig. 10, and Figure 12 is oblique hold-down mechanism left view shown in Fig. 4
Figure, Figure 13 are oblique hold-down mechanism top view shown in Fig. 4.As shown in figures 11-13, the oblique hold-down mechanism 544 in the present embodiment
Including pedestal 5441 and the oblique hold-down mechanism upper body 5442 being arranged on pedestal 5441.Oblique hold-down mechanism upper body 5442 can pass through
Dismountable connection type such as grafting is attached with pedestal 5441, so as to the tread flaking of weldment after the completion of later period welding.Especially
Be when the arrangement of B-mode beam 6 is closeer in the welding process, not extra horizontal space leave for oblique hold-down mechanism 544 compressing and
Lateral adjustment is carried out during release, and tight mechanism upper body of baroclining can be made by dismountable connection type such as grafting
5442 with the direct quick separating of pedestal 5441 in a longitudinal direction, be greatly saved welding after the completion of go out the tire time.
It is worth explanatorily, Figure 14 is oblique hold-down mechanism upper body structural schematic diagram shown in Figure 11.As shown in Figure 14, this reality
The oblique hold-down mechanism upper body 5442 in example is applied, including screw rod base 54422, the screw rod matched with screw rod base 54422
54423 and the movable ram 54424 of 54423 lower end of screw rod is set.Optionally, movable ram 54424 is elastic material system
At, such as rubber, one end of movable ram 54424 is provided with bayonet, and the lower end of screw rod 54423 is provided with and movable ram
The clamp that bayonet on 54424 is just clamped.It is carried out in welding process to different structure, the specification of used B-mode beam
Can be different therewith, it can be realized by the movable ram 54424 of replacement 54423 lower end of screw rod to the B-mode of different size
The effective position of beam.In addition, being also provided with turncap in that one end that screw rod 54423 is not connect with movable ram 54424
54426 so that screw rod 54423 adjust it is more convenient.After B-mode beam is placed on designated position, made by rotating turncap 54426
Screw rod 54423 is obtained to move downward along the axis of screw rod base 54422, when movable ram 54424 is just contacted with B-mode beam,
The active force that B-mode beam 6 is pressed on to movable ram 54424 can be applied to B-mode beam 6, then proceed to rotation turncap
54426, so that movable ram 54424 further compresses B-mode beam 6.
Optionally, the oblique hold-down mechanism upper body 5442 in the present embodiment is connected by way of grafting with pedestal 5441
It connects, wherein being provided with straight pin 54421 in the screw rod base 54422 of oblique hold-down mechanism upper body 5442, and is set on pedestal 5441
Be equipped with the mounting hole 54411 matched with the straight pin 54421, and the straight pin 54421 matched with mounting hole 54411 one
End offers straight pin along its circumferential direction and determines groove 54425.When straight pin 54421 is plugged in mounting hole 54411, can pass through by
Screw hole on 5443 inserted base 5441 of holding screw makes holding screw 5443 just be connected to straight pin and determines groove 54425
In the middle, the axial restraint to oblique hold-down mechanism upper body 5442 is realized.And when the welding is completed, only need first by holding screw 5443 from
It is taken out in screw hole on pedestal 5441, the separation of oblique hold-down mechanism upper body 5442 and pedestal 5441 can be realized.
Referring to Fig. 3, in the prior art, usually first B-mode beam 6 is put on platen 3, is filled using fast-holding
It sets 4 to compress it, wherein the pressure head of fast compressing device 4 compresses the upper end of B-mode beam 6, and locating piece 41 withstands B-mode beam
6 lower end.But due to the special construction of B-mode beam 6, this compression mode is easy so that B-mode beam 6 is turned on one's side, and is not had
The clamping of horizontal direction is easy to happen sliding during the welding process, can seriously affect the quality of welding.
However, being provided with the first seal face 54427 and the second seal face on movable ram 54424 in the present embodiment
54428, wherein the first seal face 54427 is horizontally disposed ground level, the plane that the second seal face 54428 is vertically arranged.?
When movable ram 54424 compresses B-mode beam 6, the first seal face 54427 compresses the bottom surface of B-mode beam 6, and the second seal face
54428 hold out against the side of B-mode beam 6.This implementation is when compressing B-mode beam 6, while to B-mode beam 6 horizontal and vertical two
A direction has all carried out effective positioning, and since compacted position is the lower corner of B-mode beam 6, efficiently avoids the prior art
In fast compressing device 4 the problem of rollover is easy to happen when upper surface compresses to B-mode beam 6.
With continued reference to Figure 11, optionally, the axis and vertical direction of the screw rod 54423 in the present embodiment are formed by angle
It is 45 degree, then when movable ram 54424 compresses B-mode beam 6, what the pressure and bottom surface being subject on the side wall of B-mode beam 6 were subject to
Pressing force is equal, and its resultant direction necessarily passes the inflection point of corner under B-mode beam 6, therefore this with joint efforts can't be to B-mode
Beam 6 generates tilt torque, so that B-mode beam 6 obtains more stable and reliable fixation in the welding process, is conducive to further
Improve the quality of B-mode beam welding in ground.
Referring to Fig. 5-Fig. 7, more root posts 53 can also be arranged in the lower section of long beam 51 in the present embodiment, and column 53 is for branch
Frame structure composed by stringer 52 and long beam 51 is supportted, for example, one can be respectively set along at the both ends of every root long crossbeam 51
A root post 53 can also be respectively set at the both ends of every root long crossbeam 51 and midpoint in root post 53, and the present embodiment is not
Quantity to the column 53 being arranged on every root long crossbeam 51 and the position being specifically arranged are defined.Column 53 can pass through
Expansion bolt fixes on the ground, and column 53 can be attached with long beam 51 by bolt.
Optionally, long beam 51, stringer 52 and column 53 are that I-steel is made, and cross section is I-shaped structure.
Using I-shaped structure, can mitigate while guaranteeing that long beam 51, stringer 52 and column 53 have enough intensity
The weight of integral solder tooling.
In the present embodiment, by using stringer, adjustable frame structure and fixation kit exist on long beam length direction
Adjustable modular construction on stringer length direction, allow in the welding process B-mode beam fixation kit along lateral and vertical
It arbitrarily adjusts and fixes to both direction, improve the versatility of welding tooling.In addition, by oblique hold-down mechanism to B-mode beam into
Row compresses, and relatively reliable compression effect is not only able to achieve, to guarantee welding quality, moreover it is possible to after greatly promoting B-mode beam welding
The efficiency of tire out.
Figure 15 is the application scenarios schematic diagram of B-mode beam welding method provided by Embodiment 2 of the present invention, and Figure 16 is this hair
The flow chart for the B-mode beam welding method that bright embodiment two provides.The welding method of the present embodiment is by the weldering in embodiment one
Connect what tooling was welded.As shown in Figure 15-Figure 16, the welding method of the present embodiment includes:
Step 201, according to the status requirement of vehicle body side wall lateral column, adjust position of the stringer on long beam, and by stringer
It is fixed on long beam.
Specifically, on the basis of car body center line, stringer 52 is successively installed from 51 both ends of long beam respectively, and according to car body
Position of the every stringer 52 on long beam 51 is adjusted to the status requirement of every lateral column 1 in side wall product drawing, and is consolidated
It is fixed.After welding, due to the effect of welded stress certain deformation and contraction can occur for side wall, determined
When position, it is also contemplated that the concrete technology of different automobile types sidewall welding requires, corresponding technique is reserved high-volume in the window's position.
Step 202 is required according to the status requirement and camber of vehicle body side wall crossbeam, adjusts the fixation kit on stringer,
And fixation kit is fixed on stringer.
Specifically, the status requirement of every crossbeam 2 and camber are required according in vehicle body side wall product drawing,
The fixation kit 54 on every stringer 52 is adjusted, and is fixed on stringer 52.It is horizontal when due to car body sidewall welding
State, and be for vertical state on the car body in actual installation, wherein the quality of vehicle body side wall entirety is again larger, from the shape of horizontal
After state goes to vertical state placement, under the gravity of vehicle body side wall itself, it is downward that vehicle body side wall can generate an entirety
Deformation.Therefore, in the B-mode beam arrangement for carrying out vehicle body side wall, a camber will be usually set to overcome by vehicle body side wall
Deformation caused by self weight.Wherein, above-mentioned camber refers to that the distance of its both ends line is deviateed in 2 center of crossbeam.Example
Such as, technique requires all crossbeams 2 to be both needed to make the camber of 13mm in length range, then needs to adjust accordingly every stringer
The fixation kit 54 for fixed cross beam 2 on 52, so that before welding, all crossbeams 2 are just with the camber of 13mm.It can
Selection of land can also increase rectangle technique beam, the square on vehicle body side wall top to increase the strength and stiffness of vehicle body side wall entirety
Shape technique beam should also be arranged to camber value identical with other crossbeams in welding.
Vehicle body side wall lateral column and vehicle body side wall crossbeam are pressed on by step 203 using the oblique hold-down mechanism on fixation kit
In the fixed plate of fixation kit.
Specifically, after being well placed lateral column 1 and crossbeam 2, using the oblique hold-down mechanism 544 on fixation kit 54 by lateral column
1 and crossbeam 2 be pressed in the fixed plate 545 of fixation kit 54.It optionally, can also be by corresponding after being fixed
Measuring tool examines whether the frame structure after fixing meets technique requirement again.
Step 204, the position joined to vehicle body side wall lateral column with vehicle body side wall crossbeam are welded.
After meeting technique requirement between the good frame structure being made of lateral column 1 and crossbeam 2 of confirmation, need to weld
Delivery position welds it, and welding operation can be completed by spot welding robot, can also have and manually complete.
Optionally, after the completion of welding, oblique hold-down mechanism upper body 5442 can be separated with pedestal 5441, then by car body
Side wall integral hoisting goes out tire.
The present embodiment when being welded for different automobile types, can only need to individually adjust the stringer at change in size with
And the position of fixation kit thereon, it does not need all to be adjusted all positioning compression devices, substantially reduces vehicle
The time for tooling of remapping when type conversion.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. a kind of B-mode beam welding tooling characterized by comprising at least two long beams being parallel to each other, at least two hang down
The straight stringer being arranged on the long beam and the fixation kit being arranged on the stringer；
The stringer can be slided along the length direction of the long beam；
The fixation kit can be slided along the length direction of the stringer, and the fixation kit is for compressing B-mode beam；
The fixation kit, comprising: fixed plate and at least one the oblique hold-down mechanism being arranged in the fixed plate；Wherein,
The oblique hold-down mechanism, the oblique hold-down mechanism upper body including pedestal and setting on the base；
The oblique hold-down mechanism upper body including screw rod base, the screw rod matched with the screw rod base and is arranged described
The movable ram of screw lower end；
The oblique hold-down mechanism upper body, further includes: the straight pin in the screw rod base is set；
The mounting hole matched with the straight pin is provided on the pedestal；
One end that the straight pin is matched with the mounting hole circumferentially offers straight pin and determines groove；
The screw hole that holding screw passes through on the pedestal, which is connected to the straight pin, to be determined in groove.
2. welding tooling according to claim 1, which is characterized in that be provided on the movable ram the first seal face and
Second seal face；
First seal face is horizontally disposed plane；
The plane that second seal face is vertically arranged.
3. welding tooling according to claim 2, which is characterized in that the axis of the screw rod is formed by with vertical direction
Angle is 45 degree.
4. welding tooling according to claim 1, which is characterized in that further include: pressing plate；
The first end of the pressing plate and the bottom surface of the fixed plate offset, and the second end of the pressing plate offsets with the stringer, institute
State the first end of pressing plate height be higher than the pressing plate second end height；
The middle part of pressing plate described in screw bolt passes, the fixed plate and the pedestal, and be detachably connected with nut formation.
5. welding tooling according to claim 1, which is characterized in that offer T-slot, T-bolt on the long beam
The long beam, the stringer are sequentially passed through, and is detachably connected with nut formation.
6. welding tooling according to claim 5, which is characterized in that column is provided with below the long beam, it is described
Column is used to support the frame structure of the stringer and long beam composition；
The column is fixed on the ground by expansion bolt, and the column is attached with the long beam by bolt.
7. welding tooling according to claim 6, which is characterized in that the long beam, the stringer and the column
Cross section be I-shaped structure.
8. a kind of B-mode beam welding method, which is characterized in that welded by tooling of any of claims 1-7
It connects, which comprises
According to the status requirement of vehicle body side wall lateral column, position of the stringer on the long beam is adjusted, and by the stringer
It is fixed on the long beam；
According to the status requirement of vehicle body side wall crossbeam and camber requirement, the fixation kit on the stringer is adjusted, and will
The fixation kit is fixed on the stringer；
Using the oblique hold-down mechanism on the fixation kit by the vehicle body side wall lateral column and the vehicle body side wall crossbeam pressure
Tightly in the fixed plate of the fixation kit；
It welds the position that the vehicle body side wall lateral column is joined with the vehicle body side wall crossbeam.
9. welding method according to claim 8, which is characterized in that the vehicle body side wall lateral column and the car body side
After the position of wall crossbeam handover is welded, further includes:
The oblique hold-down mechanism upper body is separated with the pedestal, to complete the tire out of the vehicle body side wall.
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| CN108422145B (en) * | 2018-04-19 | 2020-06-30 | 北京石油化工学院 | Large-scale adjustable frame structure welding fixture |
| CN109434333B (en) * | 2018-12-05 | 2023-09-22 | 安徽工程大学 | Feeding clamping device for welding chassis of semitrailer |
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| CN112067400B (en) * | 2020-09-21 | 2023-05-09 | 南京玻璃纤维研究设计院有限公司 | Device and method for preparing stretching and compressing sample of three-dimensional textile composite material |
| CN112917056A (en) * | 2021-01-28 | 2021-06-08 | 陶定红 | Welding construction method for steel structure house framework |
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