CN109014728A - A kind of bus body skeleton welding fixture with deflection function - Google Patents
A kind of bus body skeleton welding fixture with deflection function Download PDFInfo
- Publication number
- CN109014728A CN109014728A CN201811025817.9A CN201811025817A CN109014728A CN 109014728 A CN109014728 A CN 109014728A CN 201811025817 A CN201811025817 A CN 201811025817A CN 109014728 A CN109014728 A CN 109014728A
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- CN
- China
- Prior art keywords
- body frame
- welded
- pedestal
- clamping device
- welding fixture
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- 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
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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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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to a kind of bus body skeleton welding fixture with deflection function, including clamping device and pedestal；The pedestal is mounted on the clamping device, and body frame to be welded is placed on the pedestal and in the vertical direction by the clamping device and fixes；The pedestal both ends correspond to and are respectively equipped with the modified gear for fixing body frame to be welded in the horizontal direction at the positions of body frame two sides to be welded, and the modified gear can body frame relatively to be welded horizontally rotate to fix the body frame of different in width.Modified gear is designed to by the fixture can the adjustment structure that horizontally rotates of body frame relatively to be welded, when the body frame of different automobile types needs to position, it is conjugated by rotating modified gear, it is suitable for the installation requirement of the body frame of different model, to realize the unitized design of welding fixture, it is finally reached and reduces place occupancy, guarantee product quality, improve the effect of working efficiency.
Description
Technical field
The present invention relates to vehicles processing apparatus fields, and in particular to a kind of bus body skeleton weld clip with deflection function
Tool.
Background technique
Bus body skeleton is the main frame of car, is mainly formed by connecting by rectangular configuration steel by welding procedure, from
It is big that the angle of technique piecemeal can be divided into front wall, back wall, left-side, right side wall, top cover, floor frame (or full loading carriage) six
Piece.
In order to meet production beat, quality control, each sheet frame assembly must be welded by a group welding clamp
It just can guarantee technique requirement.Major part in body framework structure of coach is column, crossbeam etc., these parts generally use carbon
Plain structural steel or low-alloy structural steel, based on rectangular tube structure, the techniques such as use is curved, pressure, welding are process.Because of skeleton
Part will not only meet Structural strength calls, should also meet the matching requirements of subsequent handling, therefore its size during being welded
Precision is also required to be guaranteed.
In traditional bus body production, the secondary dedicated body frame welding fixture of each body model production one carries out visitor
Vehicle body frame assembly is welded.Current bus market development shows small lot, seriation, diversified trend, substantially often
A kind of model car can all have a plurality of body models, and some differences are had in the structure of skeleton, if pressing traditional mode of production mode
It will lead to the problems such as welding fixture increases, lack of space, fixture manufacturing cost rise.For that purpose it is necessary to by body frame weld clip
Tool carries out General design and is just able to satisfy actual demand.
Body frame welding fixture General design process, even if the automobile of same model, the bone of different body models
Frame spacing is also different, due to the reason that body frame uses spill locating piece to be positioned substantially, in design of welding jig
It is difficult the skeleton of different automobile types being placed on same position, the feelings of skeleton width is less than in particular for the skeleton spacing of positioning
Condition, this resulted in locating piece position of the body frame of different automobile types be mutually easy interference and can not be general.
Summary of the invention
In conclusion in order to overcome the deficiencies of the prior art, technical problem to be solved by the invention is to provide a kind of changes of band
The bus body skeleton welding fixture of bit function.
The technical scheme to solve the above technical problems is that a kind of bus body skeleton welding with deflection function
Fixture, including clamping device and pedestal；The pedestal is mounted on the clamping device, and body frame to be welded is placed on described
It is fixed on pedestal and in the vertical direction by the clamping device；The pedestal both ends correspond to body frame two sides to be welded
The modified gear for fixing body frame to be welded in the horizontal direction is respectively equipped at position, and the modified gear can be opposite
Body frame to be welded horizontally rotates to fix the body frame of different in width.
The beneficial effects of the present invention are: modified gear is designed to can the adjustment that horizontally rotates of body frame relatively to be welded
Structure is conjugated by rotating modified gear when the body frame of different automobile types needs to position, that is, is suitable for different model
Body frame installation requirement, to realize the unitized design of welding fixture, reach a variety of patterns body frame share one
The purpose of secondary welding fixture is finally reached and reduces place occupancy, guarantees product quality, improve the effect of working efficiency.
Based on the above technical solution, the present invention can also be improved as follows:
Further, the modified gear includes that straight pin and activity are picked up the ears；The both ends of the pedestal are respectively fixed with vertically
Mounting plate, the position on the pedestal between corresponding two mounting plates is formed for placing the recessed of body frame to be welded
Slot；The side of the fixed mounting plate of the straight pin, the activity pick up the ears can body frame relatively to be welded horizontally rotate
It is hinged on the body frame that different in width is fixed on the straight pin.
Further, the modified gear further includes clamping rings, fixedly connected part, hinged annulus and active connection；Institute
The upper and lower ends that clamping rings is fixedly set in the straight pin respectively are stated, the fixedly connected part fixes the clamping rings
It is connected at the corresponding position of the mounting plate；The hinged annulus is rotatably sleeved on the straight pin corresponding two institutes
It states at the position between clamping rings, the hinged annulus and the activity are picked up the ears to connect by the active connection.
Using the beneficial effect of above-mentioned further scheme is: picking up the ears to be conjugated to adapt to different automobile types by rotary moveable
The installation requirement of body frame.
Further, the clamping device is C-type clamp, and the pedestal is horizontally fixed on the position of the clamping device open lower end
Set place.
Detailed description of the invention
Fig. 1 is main view when the invention works；
Fig. 2 is the main view after pedestal and modified gear assembly (two activities pick up the ears not rotate out of groove)；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the top view after pedestal and modified gear assembly (one of activity picks up the ears to rotate 270 ° counterclockwise)；
Fig. 5 is the design flow diagram of pedestal and modified gear.
In attached drawing, parts list represented by the reference numerals are as follows:
1, clamping device, 2, pedestal, 3, body frame to be welded, 4, straight pin, 5, activity pick up the ears, 6, mounting plate, 7, solid
Determine annulus, 8, fixedly connected part, 9, hinged annulus, 10, active connection.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, a kind of bus body skeleton welding fixture with deflection function, including clamping device 1 and pedestal 2.
The pedestal 2 is mounted on the clamping device 1, and body frame 3 to be welded is placed on the pedestal 2 and in the vertical direction
It is fixed by the clamping device 1.The pedestal 2 is horizontally fixed at the position of 1 open lower end of clamping device.The base
2 both ends of seat correspond to be respectively equipped at the positions of 3 two sides of body frame to be welded fixes body frame to be welded in the horizontal direction
Modified gear, and the modified gear can body frame 3 relatively to be welded horizontally rotate to fix the vehicle body of different in width
Skeleton.
As shown in Figures 2 and 3, the modified gear includes straight pin 4 and activity picks up the ears 5.The both ends of the pedestal 2 are solid respectively
Surely there is vertical mounting plate 6, the position on the pedestal 2 between corresponding two mounting plates 6 forms to be welded for placing
The groove of body frame 3.The side of the fixed mounting plate 6 of the straight pin 4, the activity pick up the ears 5 relatively to be welded to pick up
What body skeleton 3 horizontally rotated is hinged on the body frame that different in width is fixed on the straight pin 4.The modified gear also wraps
Include clamping rings 7, fixedly connected part 8, hinged annulus 9 and active connection 10.The clamping rings 7 is fixedly set in institute respectively
The upper and lower ends of straight pin 4 are stated, the clamping rings 7 is fixedly attached to the mounting plate 6 accordingly by the fixedly connected part 8
At position.The hinged annulus 9 is rotatably sleeved on the position on the straight pin 4 between corresponding two clamping rings 7
Set place, the hinged annulus 9 and the activity are picked up the ears 9 to connect by the active connection 10.As shown in figure 4, passenger car
The modified gear of body skeleton welding fixture is designed to the structure that can laterally rotate, and the change of locating piece is realized by rotary side ear portions
Position, reaches the adjustable purpose of location dimension in position width direction, its feature of modified gear is to pick up the ears 5 for the activity of locating piece
Be designed to can side rotary structure, the activity at both ends is picked up the ears 5 displacements that may be implemented location dimension on rotating basis 2, with adjustment
The location dimension (width) of body frame horizontal direction, meets the positioning requirements of the body frame of different model, multiple to realize
The body frame of model is welded the purpose of shared one secondary welding fixture.
Preferred: the clamping device 1 is C-type clamp, and body frame 3 to be welded is clamped in vertically on the groove of pedestal 2,
So that be held in position position in the welding process constant for body frame 3 to be welded, while prevented also from active side in welding process
Flip-flop movement is generated when ear 5 is by lateral force, destroys the positioning of body frame 3 to be welded.
The above-mentioned welding fixture of design and fabrication as steps described below:
1, the shared welding fixture assembly benchmark of a secondary body frame for different model as shown in Figure 5 a, is determined, it will not
Body frame with model overlays in the groove of pedestal 2, to determine that the body frame that positions of needs overlaps situation, stacks
Purpose are as follows: two vehicle skeleton drawings are overlapped by two vehicle body frame welding fixtures before carrying out General design, confirmation
The positioning of which part can be general；
2, the overall breadth dimension b after placing as shown in Figure 5 a, is overlapped according to skeleton and determination is required according to assembly precision
Fit-up gap Δ, (1) determines 2 upper groove size w of pedestal according to the following equation,
W=b+ Δ (1)
3, according to the width dimensions b of the body frame of one of model1Reasonable molding clearance delta when with positioning1, under
It states formula (2) and (3) determines location dimension w when the body model skeleton is welded1And side activity is picked up the ears 5 width dimensions s1；
W1=b1+Δ1 (2)
s1=w-w1 (3)
4, same, as shown in Figure 5 c, according to the width dimensions b of the body frame of another model2It is rationally risen when with positioning
Die clearance Δ2, (4) and (5) determine location dimension w when the body model skeleton is welded according to the following equation2And side active side
The width dimensions s of ear2:
W2=b2+Δ2 (4)
s2=w-w2 (5)
5, clamping rings 7 is respectively welded to the upper and lower ends for being sleeved on straight pin 4, fixedly connected part 8 consolidates clamping rings 7
It is connected at the corresponding position of mounting plate 6 calmly；Hinged annulus 9 is rotatably sleeved on straight pin 4 corresponding two fixations
At position between annulus 7, and hinged annulus 9 and activity are picked up the ears 9 to connect by active connection 10, it is ensured that active side
Ear 5 can be rotated around straight pin 4.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of bus body skeleton welding fixture with deflection function, which is characterized in that including clamping device (1) and pedestal
(2)；The pedestal (2) is mounted on the clamping device (1), and body frame (3) to be welded is placed on the pedestal (2) simultaneously
It is fixed in the vertical direction by the clamping device (1)；Pedestal (2) both ends correspond to body frame to be welded (3) two sides
Position at be respectively equipped with the modified gear for fixing body frame to be welded in the horizontal direction, and the modified gear can phase
Welded body skeleton (3) is treated to horizontally rotate to fix the body frame of different in width.
2. the bus body skeleton welding fixture according to claim 1 with deflection function, which is characterized in that the displacement
Mechanism includes that (5) are picked up the ears in straight pin (4) and activity；The both ends of the pedestal (2) are respectively fixed with vertical mounting plate (6), institute
The position on pedestal (2) between corresponding two mounting plates (6) is stated to be formed for placing the recessed of body frame to be welded (3)
Slot；The side of the fixed mounting plate (6) of the straight pin (4), (5) are picked up the ears in the activity can body frame relatively to be welded
(3) what is horizontally rotated is hinged on the body frame that different in width is fixed on the straight pin (4).
3. the bus body skeleton welding fixture according to claim 2 with deflection function, which is characterized in that the displacement
Mechanism further includes clamping rings (7), fixedly connected part (8), hinged annulus (9) and active connection (10)；The clamping rings
(7) it is fixedly set in the upper and lower ends of the straight pin (4) respectively, the fixedly connected part (8) is solid by the clamping rings (7)
Surely it is connected at the corresponding position of the mounting plate (6)；The hinged annulus (9) is rotatably sleeved on the straight pin (4)
At position between the clamping rings (7) of upper correspondence two, the active connection (10) is by the hinged annulus (9) and institute
The activity of stating pick up the ears (9) connect.
4. the bus body skeleton welding fixture according to any one of claims 1 to 3 with deflection function, feature exist
In the clamping device (1) is C-type clamp, and the pedestal (2) is horizontally fixed on the position of the clamping device (1) open lower end
Place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025817.9A CN109014728B (en) | 2018-09-04 | 2018-09-04 | Passenger car body framework welding fixture with deflection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025817.9A CN109014728B (en) | 2018-09-04 | 2018-09-04 | Passenger car body framework welding fixture with deflection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109014728A true CN109014728A (en) | 2018-12-18 |
| CN109014728B CN109014728B (en) | 2023-07-07 |
Family
ID=64623664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811025817.9A Active CN109014728B (en) | 2018-09-04 | 2018-09-04 | Passenger car body framework welding fixture with deflection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109014728B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147411A (en) * | 2021-12-10 | 2022-03-08 | 东风汽车股份有限公司 | Flexible front plate assembling clamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147411A (en) * | 2021-12-10 | 2022-03-08 | 东风汽车股份有限公司 | Flexible front plate assembling clamp |
| CN114147411B (en) * | 2021-12-10 | 2023-11-10 | 东风汽车股份有限公司 | Flexible front plate assembling clamp |
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| Publication number | Publication date |
|---|---|
| CN109014728B (en) | 2023-07-07 |
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