CN100488709C - Deformable welding fixture for splicing welded blank with linear and curved weld seams - Google Patents
Deformable welding fixture for splicing welded blank with linear and curved weld seams Download PDFInfo
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- CN100488709C CN100488709C CNB2007100204954A CN200710020495A CN100488709C CN 100488709 C CN100488709 C CN 100488709C CN B2007100204954 A CNB2007100204954 A CN B2007100204954A CN 200710020495 A CN200710020495 A CN 200710020495A CN 100488709 C CN100488709 C CN 100488709C
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Abstract
The present invention is a double-purpose deformable welding fixture for welding linear and curved weld seams, and the fixture has linear welding slot and curved welding slot integrated onto one pedestal to reach the double-purpose aim. The double-purpose deformable welding fixture consists of one pedestal height difference structure comprising one thickness difference step and one height regulating tab for fitting different welding thickness, and one clamping screw mechanism comprising right and left pressing boards with screw holes and corresponding cap screws. It can regulate clamping force and control welding deformation by means of novel flexible location mode, and is suitable for linear and curved welding of common steel plate, high strength steel plate, aluminum plate, etc of different sizes.
Description
Technical field
The present invention relates to the plate sheet welding field, refer in particular to a kind of distortion anchor clamps that can be used for straight line and the welding of curved welding seam welding plate, be mainly used in the occasion of light sheet material amalgamation welding such as different-thickness, steel plate of different nature, aluminium sheet.Adopt this device can realize the welding of the welding plate of different weld shape combinations, different-thickness combination, multiple welding board size, regulate the control weld clamp force by multiple spot simultaneously, control the flatness and the welded gaps of welding edge well, finally obtained meeting the weldment that welding quality requires.
Background technology
Weld jig is to carry out metal structure to weld indispensable auxiliary implement, is the important component part of welding procedure.It mainly plays in welding process and keeps and guarantee welding product shape and the requirement of size conforms product drawing, makes things convenient for the welder to operate, improve the effect of effect.
Weld clamp mechanism commonly used can be divided into manual clamp mechanism and Pneumatic hydraulic clamp mechanism.Manually clamping is to be power source with the manpower, by handle or pedal, lean on manually-operated in weld job mechanism, manually the advantage of clamp mechanism is simple in structure, have self-locking and expand the power performance, shortcoming is inefficiency, and labour intensity is big, so use more in general single-piece and small lot batch manufacture; Pneumatic pinch mechanism is to be the power transmission medium with compressed air, promotes the cylinder action to realize the mechanism of clamping action.The hydraulic clamp structure is to be the power transmission medium with pressure oil, promotes the hydraulic cylinder action to realize the mechanism of clamping action.Pneumatic hydraulic clamp mechanism advantage is that it is easy to use, the automaticity height, and reliable clamping, shortcoming are to compare with manual clamp mechanism and involve great expense, and be generally long in the production cycle, uses more in the big in batches production.
The traditional method for designing of weld jig is an integral design, according to the profile and the technological requirement of soldering part, is that the basis is designed with all-in-one-piece keeper and clamping element promptly, and this design standard degree is low, and the design cycle is long, adjusts difficulty.At present, popular in the world universal design is the standardized component combined method.The main points of this method are generally to have the component of difference in functionality in the weld jig, release as locating piece support, compact heap support, guide holder, workbench, bearing support etc., be designed to general standardization series component in advance, when design, the designer calls these components as required and is arbitrarily made with a sleeve clamp, adopt this method, work efficiency greatly improves, and can guarantee anchor clamps making precision, shortens Production Time, be convenient to adjust.
At present, demand to the welding plate of straight bead and curved welding seam during engineering is used increases day by day, weld jig correspondingly also produces thereupon, for straight bead welding plate, welding plate one side is smooth, one side has step difference, in view of its geometrical symmetry, so do not need base is carried out special design; For curved welding seam welding plate, then need base designs is carried out certain innovation, the anchor clamps of arranging by a kind of curved welding seam obtain the welding plate that multiple curved welding seam is arranged.The designer should consider the simple and practical of clamp structure in design simultaneously, considers its generalization degree again, worldwide has part enterprise and laboratory to develop some according to corresponding requirement at present and is used for the weld jig of thin plate amalgamation welding.
The curved welding seam weld jig of Su Deluonike company (Soudronic) research and development of Switzerland is a clamping mode with the electromagnetic attraction clamping, the welding plate is placed on the workbench, be provided with position block at the welding panel area, play location and auxiliary clamping action simultaneously, this weld clamp device performance is reliable, easy to use, be fit to produce in enormous quantities, shortcoming is for thin and the relatively poor uncontrollable welding edge flatness of welding plate that is prone to warpage or has occurred warpage of welding edge rigidity, these anchor clamps are very high to the requirement of laser-welding machine and welding bench simultaneously, and manufacturing cost is too high, is not suitable for small lot batch manufacture and uses.
France Arcelor (Arcelor) laser is studied employed weld clamp device and is had the fluid pressure type clamping system, in whole welding process, base welding plate/workpiece is carried out reliable grip,, also can avoid the long workpiece of weld seam in welding process, to occur zone to be welded and the change of cold lapping crack occur owing to being heated greatly without any restriction the geometry of equipment and base welding plate/workpiece.This device adopts roller type to roll involutory device simultaneously, and it is involutory that the gap of welding between the plate is rolled, and can greatly improve the Laser Welding Quality and the weld strength of finished product workpiece, the rate of reducing the number of rejects and seconds, the shortcoming of this device are that design is complicated, and equipment is huge, mobility is relatively poor, and use cost is too high.
The laser assembly solder plate weld clip prodigiosin of the C.H.Cheng design of The Hong Kong Polytechnic University satisfies the laser assembly solder plate welding requirements of its experiment needs, but this jig Design can not realize the welding of curved welding seam, its welding thermal diffusivity is relatively poor simultaneously, and the clamping and positioning of welding plate is also comparatively loaded down with trivial details.
Summary of the invention
Require and existing actual conditions according to the welding plate, the advantage that the objective of the invention is to comprehensive above every invention and patent, overcome their weak point, develop the double-purpose weld jig that a cover flexibility degree height, light practicality and low cost of manufacture can satisfy welding requirements again by optimum organization, utilize the anchor clamps advantage, finally obtain the satisfactory welding plate of a series of welding qualities.
The present invention realizes by the following technical solutions:
It comprises spiral clamp mechanism, activity orientation piece, radiating groove, substructure height difference structure.Wherein the design basis of anchor clamps base plate is identical with the design basis of welding plate, promptly formulates the base plate size according to curved welding seam in the experiment welding plate and straight bead welding plate largest physical dimension; According to designing requirement single curve welding groove and straight line welding groove are integrated on the base; Wherein substructure height difference structure is made up of thick ladder of difference and the cooperation of substructure height adjustment sheet, mills out a ladder on base, makes both sides produce a predetermined difference in height, processes the height adjustment sheet that cooperates with base simultaneously; Pressing plate processes screwed hole in the left and right sides, cooperates corresponding interior six pin screws to form the tight mechanism of screw clamp; Design movable locating piece according to the width of welding groove, with a face of locating piece as the location female surface; According to the welding heat that may occur in the welding, on base, open some radiating groove; Leave a certain amount of screwed hole in the both sides of base, process left and right sides flanging plate, so that the usefulness of the flanging of large scale welding plate.
The present invention compared with prior art has the following advantages:
1. the present invention is the weld jig that kind has been out of shape, and it is together integrated by the distortion of clamp base with straight bead and two kinds of forms of curved welding seam welding, can take on two kinds of multi-form weld task simultaneously.
2. the present invention can increase the multi-form Combination Welding of welding plate for the stepped design of base, pressing plate and base plate separate with cushion block, make the bigger space of generation between the two, both made things convenient for the clamping of workpiece, heat radiation when helping to weld again, the radiating groove of the uniqueness of leaving on the base helps the heat radiation in the welding process effectively simultaneously, thereby has prevented the distortion and the distortion of weldment effectively, has improved the quality of weldment.
3. these anchor clamps are clamping mode with the spiral clamping, because employing is the clamping form that multiple spot clamping power is regulated, can regulate the clamping force of each point according to the actual conditions of sheet material, thereby avoid the warpage of welding edge effectively, have guaranteed welding quality.
4. the present invention can satisfy the welding of large scale welding plate, simultaneously owing to adopted novel movable locating piece mode, improved the flexibility degree of weld jig widely, made the present invention also be applicable to the welding of multiple small size welding plate, the generalization degree is higher.
5. because the anchor clamps pressing plate is supported by adjustable cushion block,, can guarantee that like this anchor clamps are fit to the welding plate welding of multiple thickness combination so the space between pressing plate and the base plate also can be adjusted.
6. the pressing plate on band slope makes things convenient for stretching into of plumb joint, and the quality that helps the experimenter to observe welding is at any time simultaneously in time adjusted welding parameter.
Description of drawings
Fig. 1 weld jig structural upright schematic diagram
(a) curved welding seam weld jig installation diagram
(b) weld jig base member figure
(c) weld jig straight bead weldment pressing plate figure
The right pressing plate 5 hexagon socket cap head screw A of the right pressing plate 4 ' curved welding seam of 1 activity orientation piece, 2 radiating grooves, 3 straight bead left pressing plates, 3 ' curved welding seam left pressing plate, 4 straight beads 6 hexagon socket cap head screw B 7 pressing plate cushion blocks 8 welding plates 9 right flanging plate 10 bases 11 substructure height adjustment sheets 12 left flanging plates
Fig. 2 curved welding seam weldment schematic diagram
(a) a mother metal left side is thin right thick, and top is concordant
(b) mother metal left-thick right-thin, top is concordant
(c) a mother metal left side is thin right thick, and the bottom is concordant
(d) mother metal left-thick right-thin, the bottom is concordant
The specific embodiment
With the example that is welded as of curved welding seam, describe the details and the working condition of the concrete device of the present invention's proposition in detail in conjunction with Fig. 1 below.
Anchor clamps are matrix with base 10, ladder on the base 10 and substructure height adjustment sheet 11 are used, adjust the difference in height of base ladder by changing substructure height adjustment sheet 11 thickness, when carrying out the welding of curved welding seam, can realize the welding of different-thickness combination welding plate, as shown in Figure 1, left and right sides pressing plate 3 ' 4 ' is supported by cushion block 7, interior six pin screw B6 pass left and right sides pressing plate 3 ' 4 ' and cushion block 7 is fixed on the base 10, locating piece 1 is put into the weld seam groove and is helped welding plate location, lay shown in Fig. 1 (b), Ding Wei advantage is no matter to weld board size and how changes like this, as long as with the welding edge is that the location benchmark can be finished the location, improved the versatility of anchor clamps, this side screw of locking after right side welding plate is put into predetermined clamped position, the coupling mechanism force of each point of screw can be regulated separately, controlled the buckling deformation of welding plate effectively, withdraw from locating piece 1, plate insertion butt joint locking is welded in the left side can finish clamping work, can in the end left and right sides flanging plate 912 be pushed down the welding plate if needed and use screw lock, the radiating groove of offering on the base 2 effectively helps the heat radiation in the welding process.
The concrete operation method of this weld jig is:
(1). base 10 is placed on the welding bench.
(2). regulate the substructure height adjustment sheet according to the weldment designing requirement.
(3). with soket head cap screw 6 left and right sides pressing plate 3 ' 4 ' and cushion block 7 are fixed on the base, adjust the height of cushion block 7 according to welding requirements.
(4). locating piece 1 is placed in the welding groove, and locating piece is inboard to be close to welding groove, and locating surface is aimed at welding plate one side that will put into, adjusts spacing between the locating piece shown in Fig. 1 (b).
(5). one that amalgamation is welded in the plate is inserted anchor clamps from right pressing plate 4 ' bottom gap, and fits with the locating surface of locating piece 1, clamps the welding plate with the spiral clamping device, and by designing requirement, the welding edge of welding plate just in time is on the median plane of welding groove.
(6). take out locating piece 1, another piece welding plate is fitted by left pressing plate 3 ' bottom gap insertion anchor clamps and with the welding edge on right side fixing welding plate, use the spiral clamping device to clamp and weld plate.
(7). adjust each spiral pinching screw and make the welding plate stressed comparatively even.
(8). begin welding.
The realization and the curved welding seam of straight bead welding plate welding method are similar, only base need be leveled up with adjustment sheet in the use to get final product, and are not described in detail herein.
Present embodiment only is used to illustrate the present invention, and does not limit.
Claims (2)
1. deformable welding fixture that welds plate straight line and curved welding seam double-purpose, it is characterized in that comprising: spiral clamp mechanism, activity orientation piece (1), radiating groove (2), base (10), the spiral clamp mechanism processes screwed hole by left and right sides pressing plate, cooperate corresponding interior six pin screws to form, to weld plate (8) by the spiral clamp mechanism and be fixed on the base (10), the spiral clamp mechanism is made up of the right pressing plate of six pin screws (5), curved welding seam left pressing plate (3 ') and curved welding seam (4 ') in some when being used for the curved welding seam welding; The spiral clamp mechanism is made up of the right pressing plate of six pin screws (5), straight bead left pressing plate (3) and straight bead (4) in some when being used for the straight bead welding; Locating piece (1) is placed in the welding groove of weld seam of base (10), with locating piece (1) over against the face of welding groove median plane as locating surface, locating surface is fitted with the welding edge of welding plate (8).
2. a kind of deformable welding fixture that welds plate straight line and curved welding seam double-purpose according to claim 1, it is characterized in that being provided with substructure height difference structure, it is cooperated by thick ladder of difference and substructure height adjustment sheet (11) and forms, and adopts substructure height adjustment sheet (11) that the thick ladder of difference of base (10) is leveled up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100204954A CN100488709C (en) | 2007-03-06 | 2007-03-06 | Deformable welding fixture for splicing welded blank with linear and curved weld seams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100204954A CN100488709C (en) | 2007-03-06 | 2007-03-06 | Deformable welding fixture for splicing welded blank with linear and curved weld seams |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101020281A CN101020281A (en) | 2007-08-22 |
| CN100488709C true CN100488709C (en) | 2009-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100204954A Expired - Fee Related CN100488709C (en) | 2007-03-06 | 2007-03-06 | Deformable welding fixture for splicing welded blank with linear and curved weld seams |
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2007
- 2007-03-06 CN CNB2007100204954A patent/CN100488709C/en not_active Expired - Fee Related
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| CN101020281A (en) | 2007-08-22 |
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Assignee: Jiangsu Benyu Automobile Body Production Co., Ltd. Assignor: Jiangsu University Contract record no.: 2010320000814 Denomination of invention: Deformable welding fixture for plate splicing welding with linear and curved weld seams Granted publication date: 20090520 License type: Exclusive License Open date: 20070822 Record date: 20100629 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20130306 |