CN103008958A - Longitudinal beam variable-pitch adjusting device of automobile carriage welding fixture - Google Patents
Longitudinal beam variable-pitch adjusting device of automobile carriage welding fixture Download PDFInfo
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- CN103008958A CN103008958A CN2013100031575A CN201310003157A CN103008958A CN 103008958 A CN103008958 A CN 103008958A CN 2013100031575 A CN2013100031575 A CN 2013100031575A CN 201310003157 A CN201310003157 A CN 201310003157A CN 103008958 A CN103008958 A CN 103008958A
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- 238000003466 welding Methods 0.000 title abstract 2
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000033001 locomotion Effects 0.000 claims description 41
- 238000006073 displacement reaction Methods 0.000 claims description 27
- 230000002547 anomalous effect Effects 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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Abstract
The invention provides a longitudinal beam variable-pitch adjusting device of an automobile carriage welding clamp, which comprises a longitudinal beam interval positioning mechanism, a longitudinal beam variable-pitch adjusting mechanism and a clamp base, wherein the two longitudinal beam variable-pitch adjusting mechanisms are oppositely arranged on the left side and the right side of the clamp base; the longitudinal beam distance positioning mechanism comprises a base plate, the base plate is connected with a flange on the horizontal movable shaft, a stop block guide rail is arranged on the base plate and is vertical to the horizontal movable shaft in the horizontal direction, a positioning step stop block is arranged in the stop block guide rail and is connected with a stop block driving cylinder; the lower part of the base plate is vertically connected with the cylinder bracket, the stop block drives the cylinder to be installed on the cylinder bracket, and the longitudinal beam positioning plate is connected to the upper end of the base plate.
Description
Technical field
The present invention relates to a kind of automobile bodies weld jig longeron displacement adjusting device, specifically automobile bodies longeron assembling jig technical field.
Background technology
Along with the automotive type diversified development, the kind of automobile bodies is in continuous increase, and for corresponding assembling with longitudinal beam, the compartment girder space need be done corresponding increase, and our company has the compartment girder space of 6 kinds of sizes at present.Each compartment girder space all must have a kind of location spacing corresponding with it on weld jig.Location spacing on the anchor clamps realizes by the relative position of controlling two groups of locating pieces;
At present, the location spacing of universal fixturing mostly is fixes a kind, or the switching that only realizes 2 kinds of spacings by jacking and the contraction control locating piece position of cylinder.Satisfy the switching of 6 kinds of spacings, must use 3 cover weld jigs, the increase that equipment investment cost will be at double comprises that plant area, technology arrangement all can be greatly affected.
Summary of the invention
The objective of the invention is to design a kind of compartment weld jig longeron displacement adjusting device, can realize 2～6 kinds of different girder spaces at 1 sleeve clamp, and can between different girder spaces, realize switching fast.
Technical scheme of the present invention: automobile bodies weld jig longeron displacement adjusting device of the present invention comprises girder space detent mechanism, longeron displacement governor motion and clamp base, two longeron displacement governor motions are installed about clamp base relatively, each longeron displacement governor motion comprises inside and outside support plate, the horizontal anomalous movement axle is installed in the pilot hole of inside and outside support plate, slidably, the inner of horizontal anomalous movement axle is connected with the driving cylinder, the flange that is connected with the girder space detent mechanism is arranged on the horizontal anomalous movement axle, install on the interior support plate and point to outer horizontal thimble; About the girder space detent mechanism is installed relatively on two longeron displacement governor motions, the girder space detent mechanism comprises substrate, substrate is connected with flange on the horizontal anomalous movement axle, the block guide rail is installed on the substrate, the block guide rail is vertical in the horizontal direction with the horizontal anomalous movement axle, location ladder block is installed in the block guide rail, and location ladder block drives cylinder with block and is connected; The substrate bottom connects the horizontal air cylinder carriage, and block drives cylinder and is installed on the cylinder bracket, and the longeron location-plate is connected to the substrate upper end.
Described block drives cylinder and comprises three cylinders, and the first block drives cylinder and is installed on the cylinder bracket; The second block drives cylinder and is connected with the rear end cylinder body that the 3rd block drives cylinder, the cylinder bar is on same axis, be arranged in the first block and drive the cylinder top, the first block drives the cylinder output and is connected with the output that the second block drives cylinder by the first connecting plate, the output that the 3rd block drives cylinder is connected with location ladder block by the second connecting plate, to its driving; Under the original state, the first block drives cylinder cylinder bar and entirely stretches out, and it is zero that the cylinder bar of the second block driving cylinder and the 3rd block driving cylinder stretches out, and location ladder block is in maximum.
Described location ladder block is established 2～6 steps along block guide rail direction, and the stand out of each step is decided by the distance between the left-right longeron location-plate, and is corresponding with the longeron stand out of each vehicle of locate.
The thickness of the ladder of described location ladder block is determined by the stroke that corresponding three blocks drive cylinder.
Longeron pitch-changing mechanism of the present invention has following characteristics:
1. adopt the different stroke cylinders of many groups spatially to realize the series connection of different directions, realize the adjusting of girder space detent mechanism.
2. use cooperating of the different cascaded surfaces of ladder block and horizontal thimble, realize the switching of multiple location spacing, avoided unstable because of air pressure, cylinder is walked not in place and position error that cause.
3. can realize that each stroke cylinder switches fast between different combinations, be easy to realize electrified control.
4. Spatial Coupling mode about the cylinder of this longeron pitch-changing mechanism has been dwindled the shared spatial volume of cylinder, makes whole pitch-changing mechanism compact conformation, and making anchor clamps integral body can be that other mechanisms reserve sufficient space on structural configuration.
5. this mechanism can realize multiple girder space displacement at 1 sleeve clamp, and equipment investment is reduced greatly.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is plan structure schematic diagram of the present invention.
Fig. 3 is the assembling front view of girder space detent mechanism.
Fig. 4 is the side view of girder space detent mechanism.
Fig. 5～Fig. 7 is location ladder block handoff procedure schematic diagram.
Fig. 8 is the top view of ladder block.
The relative position figure of ladder block and horizontal thimble when Fig. 9 spacing is switched.
The specific embodiment
Fig. 1, Fig. 2 provides a kind of embodiment of the present invention: the present invention includes girder space detent mechanism 1, longeron displacement governor motion 2 and clamp base 3, two longeron displacement governor motions 2 are installed about clamp base 3 relatively, each longeron displacement governor motion 2 comprises inside and outside support plate 2-1,2-2, horizontal anomalous movement axle 2-3 is installed in inside and outside support plate 2-1, in the pilot hole of 2-2, slidably, the inner of horizontal anomalous movement axle 2-3 is connected with driving cylinder 2-4, the flange 2-5 that is connected with girder space detent mechanism 1 is arranged on the horizontal anomalous movement axle 2-3, and upper installation of interior support plate 2-1 pointed to outer horizontal thimble 2-6; About girder space detent mechanism 1 is installed relatively on two longeron displacement governor motions 2, girder space detent mechanism 1 comprises substrate 1-12, substrate 1-12 is connected with flange 2-5 on the horizontal anomalous movement axle 2-3, the upper block guide rail 1-7 that installs of substrate 1-12, block guide rail 1-7 is vertical in the horizontal direction with horizontal anomalous movement axle 2-3, location ladder block 1-6 is installed in the block guide rail 1-7, and location ladder block 1-6 drives cylinder with block and is connected; Substrate 1-12 bottom is connected with cylinder bracket 1-10 is vertical, and block drives cylinder and is installed on the cylinder bracket 1-10, and longeron location-plate 1-11 is connected to substrate 1-12 upper end.
Such as Fig. 3, Fig. 4: described block drives cylinder and comprises three cylinders, the first block drives cylinder 1-1 and is installed on the cylinder bracket 1-10, the second block drives cylinder 1-2 and is connected with the rear end cylinder body that the 3rd block drives cylinder 1-3, the second block drives cylinder 1-2 and is connected with the rear end cylinder body that the 3rd block drives cylinder 1-3, the cylinder bar is on same axis, be arranged in the first block and drive cylinder 1-1 top, the first block drives cylinder 1-1 output and is connected with the output that the second block drives cylinder 1-2 by the first connecting plate 1-4, the output that the 3rd block drives cylinder 1-3 is connected with location ladder block 1-6 by the second connecting plate 1-5, it is driven, location ladder block 1-6 is moved along the horizontal direction vertical with horizontal anomalous movement axle 2-3 on block guide rail 1-7; Under the original state, the first block drives cylinder 1-1 cylinder bar and entirely stretches out, and it is zero that the cylinder bar of the second block driving cylinder 1-2 and the 3rd block driving cylinder 1-3 stretches out, and location ladder block 1-6 is in maximum.
1-13 is substrate 1-12 and the vertical connecting plate of cylinder bracket 1-10.Longeron location-plate 1-11 is connected to substrate 1-12 upper end.1-8 is the cylinder rod guidance post that the first block drives cylinder 1-1.1-9 is the guide pillar seat.The effect of cylinder rod guidance post 1-8 is when guaranteeing Telescopic-cylinder, the stationarity that whole mechanism moves.
Fig. 8 is the top view of ladder block:
Location ladder block 1-6 establishes 2～6 steps, present embodiment is to establish 6 cascaded surfaces as example along block guide rail direction, such as J1～J6, the poor L1 of the ladder width of each step, L2, L3, L4, L5 determine the distance between the left-right longeron location-plate 1-11, and be corresponding with the longeron stand out of each vehicle of locate.
Thickness S1, the S2 of the ladder of location ladder block 1-6, S3, S4, S5 are determined by the stroke that corresponding block drives cylinder 1-1,1-2,1-3.
Girder space detent mechanism 1 major function is for realizing the movement of ladder block, and different cylinder stroke combinations realizes that the ladder block moves different distances.
Longeron displacement governor motion 2 major functions are the movement of realization girder space detent mechanism 1, thereby the location spacing is adjusted, and realize displacement.Two bearings that drive cylinder 2-4 are fixed on the clamp base 3 of chuck body, and horizontal anomalous movement axle 2-3 is installed in the pilot hole of inside and outside support plate 2-1,2-2, by drive cylinder 2-4 stretch realize that movable axis moves around along the direction of B.It moves until horizontal thimble 2-6 stops when contacting with ladder block 1-6; And the ladder block 1-6 of girder space detent mechanism 1 can be mobile separately on the direction of A shown in the figure, and its moving range only is subjected to three blocks to drive the Stroke Control of cylinder.
Girder space detent mechanism 1 is suspended on the horizontal anomalous movement axle 2-3 of longeron displacement governor motion 2, the Telescopic-cylinder of girder space detent mechanism 1, cause vertically moving of ladder block 1-6, the cylinder of longeron displacement governor motion 2 shrinks, drive girder space detent mechanism 1 together along with the movable axis transverse shifting, horizontal thimble 2-6 is contacted with ladder block 1-6 step surface, realized the location.Because girder space detent mechanism 1 has three groups of cylinders, each flexible combination is different, to cause the ladder block to vertically move the position of arrival different at every turn, realize that each horizontal thimble 2-6 contacts from the different cascaded surfaces of ladder block, the stroke of movable axis transverse shifting is different, has so just realized the multiple spacing location of locating piece.
Drive the flexible of cylinder by block, ladder block 1-6 can slidably reciprocate along diagram A direction on slide rail 1-7; Three blocks drive the flexible combinations of states difference of cylinder, and the distance that the ladder block moves is also just different, thereby realizes multistage adjusting.
As shown in Figure 1 and Figure 2: under the beginning state, the first block drives cylinder 1-1 cylinder bar and entirely stretches out, and it is zero that the cylinder bar of the second block driving cylinder 1-2 and the 3rd block driving cylinder 1-3 stretches out, and location ladder block 1-6 is at maximum L0.
The spacing handoff procedure of whole mechanism is as follows: as shown in Figure 1 and Figure 2, whole platform floor 5 is placed on the anchor clamps, by two longerons 4 and longeron raceway 6 contact support platform floor 5(herein anchor clamps raceway 6 be the part of whole clamp base, play the effect of supporting platform floor 5, its idler wheel surface contacts with the longeron bottom, do not describe in detail in the drawings, only with dashed lines draws its approximate location); Longeron 4 is placed on the anchor clamps raceway 6, and longeron location-plate 1-11 contacts with longeron 4 outsides, plays the effect of restriction two girder spaces.By adjusting the spacing of longeron location-plate 1-11, can control the spacing of left-right longeron.
Whole location ladder block 1-6 handoff procedure divided for 2 steps:
Such as Fig. 5～shown in Figure 9, the 1st step: realize that the A of location ladder block 1-6 is to movement.As shown in Figure 3: at this moment the first block of girder space detent mechanism 1 driving cylinder 1-1 cylinder bar stretches out, the cylinder bar that the second block drives cylinder 1-2 and the 3rd block driving cylinder 1-3 shrinks (as shown in Figure 3 cylinder location), the corresponding ladder stop location of horizontal thimble 2-6 is cascaded surface J6 shown in Figure 5, when switching spacing, the cylinder bar that the 3rd block drives cylinder 1-3 stretches out (this moment one, the cylinder bar that three blocks drive cylinder all stretches out, the cylinder bar that the second block drives cylinder shrinks), A direction displacement S6(S6 is the stroke of cylinder C shown in the ladder block 1-6 edge, location), this moment, horizontal thimble 2-6 broke away from the cascaded surface J6 of location ladder block 1-6, J5 is relative with cascaded surface, but also not contact; Namely become Fig. 6 state by Fig. 5.
The 2nd goes on foot such as Fig. 5: horizontal anomalous movement axle 2-3 is under the contraction that drives cylinder 2-4, pulling girder space detent mechanism 1 is to B to motion, until the cascaded surface J5 of location ladder block 1-6 contacts with horizontal thimble 2-6, in this process, whole girder space detent mechanism 1 is together along B shown in the figure to movement; Until end in contact before the cascaded surface J5 of location ladder block 1-6 and the horizontal thimble 2-6, under horizontal thimble 2-6 effect, horizontal anomalous movement axle 2-3 stops movement, girder space detent mechanism 1 location positioning at this moment, longeron location-plate 1-11 location positioning.Longeron location-plate 1-11 is L5 along B direction move distance, namely becomes Fig. 7 state by Fig. 6.Left-right longeron location-plate 1-11 spacing becomes (L0-2*L5) by L0, has realized the switching of location spacing.
The relative position of whole process location ladder block 1-6 and horizontal thimble 2-6 changes as shown in Figure 9:
When three blocks drive the variation of Telescopic-cylinder combinations of states, location ladder block 1-6 is respectively along the A S1-S6 distance of moving, horizontal thimble 2-6 contacts with the corresponding cascaded surface J1 that locates ladder block 1-6～J6 respectively, longeron location-plate 1-11 has realized the switching of location spacing respectively along the B L1-L5 distance of moving.With stretching all by electrical control of upper cylinder, realized automatically switching fast of location spacing.And longeron location-plate 1-11 spacing by location ladder block 1-6 and horizontal thimble 2-6 contact control, not affected by the stroke of cylinder, unstable at air pressure, when cylinder stroke is not in place, also can realize the accurate control of locating piece spacing.
When three blocks drive the different combination of cylinder, corresponding relation such as the following table of location ladder block 1-6 and horizontal thimble 2-6 contact-making surface and longeron location-plate 1-11 spacing:
| Sequence number | Cylinder state | The ladder block cascaded surface | The locating piece spacing | |
| 1 | One stretch, two, three | J6 | L0 | |
| 2 | One, (three) stretch, two contractings | J5 | L0-2*L5 | |
| 3 | One, two stretch, three contractings | J4 | L0-2*(L5+L4) | |
| 4 | One, two, three stretch | J3 | L0-2*(L5+L4+?L3) | |
| 5 | One, three contractings, two are stretched | J2 | L0-2*(L5+L4+?L3+?L2) | |
| 6 | One, two contractings, three are stretched | J1 | L0-2*(L5+L4+L3+L2+L1) |
。
Claims (5)
1. automobile bodies weld jig longeron displacement adjusting device, comprise girder space detent mechanism (1), longeron displacement governor motion (2) and clamp base (3), it is characterized in that: two longeron displacement governor motions (2) are installed about clamp base (3) relatively, each longeron displacement governor motion (2) comprises inside and outside support plate (2-1,2-2), horizontal anomalous movement axle (2-3) is installed in inside and outside support plate (2-1, in pilot hole 2-2), slidably, the inner of horizontal anomalous movement axle (2-3) is connected with driving cylinder (2-4), the flange (2-5) that is connected with girder space detent mechanism (1) is arranged on the horizontal anomalous movement axle (2-3), and upper installation of interior support plate (2-1) pointed to outer horizontal thimble (2-6); About the upper girder space detent mechanism (1) of relatively installing of two longeron displacement governor motions (2), girder space detent mechanism (1) comprises substrate (1-12), substrate (1-12) is connected with flange (2-5) on the horizontal anomalous movement axle (2-3), the upper block guide rail (1-7) of installing of substrate (1-12), block guide rail (1-7) is vertical in the horizontal direction with horizontal anomalous movement axle (2-3), location ladder block (1-6) is installed in the block guide rail (1-7), and location ladder block (1-6) drives cylinder with block and is connected; Substrate (1-12) bottom connects horizontal air cylinder carriage (1-10), and block drives cylinder and is installed on the cylinder bracket (1-10), and longeron location-plate (1-11) is connected to substrate (1-12) upper end.
2. automobile bodies weld jig longeron displacement adjusting device according to claim 1 is characterized in that: block drives cylinder and comprises three cylinders, and the first block drives cylinder (1-1) and is installed on the cylinder bracket (1-10); The second block drives cylinder (1-2) and is connected with the rear end cylinder body that the 3rd block drives cylinder (1-3), the cylinder bar is on same axis, be arranged in the first block and drive cylinder (1-1) top, the first block drives cylinder (1-1) output and is connected with the output that the second block drives cylinder (1-2) by the first connecting plate (1-4), the output that the 3rd block drives cylinder (1-3) is connected with location ladder block (1-6) by the second connecting plate (1-5), to its driving; Under the original state, the first block drives cylinder (1-1) cylinder bar and entirely stretches out, and it is zero that the cylinder bar of the second block driving cylinder (1-2) and the 3rd block driving cylinder (1-3) stretches out, and location ladder block (1-6) is in maximum.
3. automobile bodies weld jig longeron displacement adjusting device according to claim 1 and 2, it is characterized in that: location ladder block (1-6) is established 2～6 steps along block guide rail direction, the stand out of each step is decided by the distance between the left-right longeron location-plate (1-11), and is corresponding with the longeron stand out of each vehicle of locate.
4. automobile bodies weld jig longeron displacement adjusting device according to claim 1 and 2 is characterized in that: the thickness of each ladder of location ladder block (1-6) is determined by the stroke that corresponding three blocks drive cylinders (1-1,1-2,1-3).
5. automobile bodies weld jig longeron displacement adjusting device according to claim 3 is characterized in that: the thickness of the ladder of location ladder block (1-6) is determined by the stroke that corresponding three blocks drive cylinders (1-1,1-2,1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003157.5A CN103008958B (en) | 2013-01-06 | 2013-01-06 | Longitudinal beam variable-pitch adjusting device of automobile carriage welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003157.5A CN103008958B (en) | 2013-01-06 | 2013-01-06 | Longitudinal beam variable-pitch adjusting device of automobile carriage welding fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103008958A true CN103008958A (en) | 2013-04-03 |
| CN103008958B CN103008958B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310003157.5A Active CN103008958B (en) | 2013-01-06 | 2013-01-06 | Longitudinal beam variable-pitch adjusting device of automobile carriage welding fixture |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05305493A (en) * | 1992-04-17 | 1993-11-19 | Hisaichi Tekkin:Kk | Device for welding bar-shaped body |
| US5718048A (en) * | 1994-09-28 | 1998-02-17 | Cosma International Inc. | Method of manufacturing a motor vehicle frame assembly |
| CN201720643U (en) * | 2010-05-21 | 2011-01-26 | 浙江吉利汽车研究院有限公司 | Reinforcement component of flexible welding and installing fixture |
| CN102248346A (en) * | 2011-06-24 | 2011-11-23 | 浙江金刚汽车有限公司 | Clamp for longitudinal beam of rear floor slab of automobile |
| CN202368659U (en) * | 2011-12-19 | 2012-08-08 | 东风(武汉)实业有限公司 | Automobile front longitudinal beam |
| CN203003394U (en) * | 2013-01-06 | 2013-06-19 | 东风汽车股份有限公司 | Longitudinal beam variable-pitch adjusting device of automobile carriage welding fixture |
-
2013
- 2013-01-06 CN CN201310003157.5A patent/CN103008958B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05305493A (en) * | 1992-04-17 | 1993-11-19 | Hisaichi Tekkin:Kk | Device for welding bar-shaped body |
| US5718048A (en) * | 1994-09-28 | 1998-02-17 | Cosma International Inc. | Method of manufacturing a motor vehicle frame assembly |
| CN201720643U (en) * | 2010-05-21 | 2011-01-26 | 浙江吉利汽车研究院有限公司 | Reinforcement component of flexible welding and installing fixture |
| CN102248346A (en) * | 2011-06-24 | 2011-11-23 | 浙江金刚汽车有限公司 | Clamp for longitudinal beam of rear floor slab of automobile |
| CN202368659U (en) * | 2011-12-19 | 2012-08-08 | 东风(武汉)实业有限公司 | Automobile front longitudinal beam |
| CN203003394U (en) * | 2013-01-06 | 2013-06-19 | 东风汽车股份有限公司 | Longitudinal beam variable-pitch adjusting device of automobile carriage welding fixture |
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| Publication number | Publication date |
|---|---|
| CN103008958B (en) | 2014-08-27 |
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