CN217290910U - Fixing device suitable for high-energy beam skin welding of airfoil workpiece - Google Patents
Fixing device suitable for high-energy beam skin welding of airfoil workpiece Download PDFInfo
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- CN217290910U CN217290910U CN202121113458.XU CN202121113458U CN217290910U CN 217290910 U CN217290910 U CN 217290910U CN 202121113458 U CN202121113458 U CN 202121113458U CN 217290910 U CN217290910 U CN 217290910U
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Abstract
The utility model discloses a be suitable for and carry out high energy beam covering welded fixing device to the airfoil work piece. The fixing device comprises a bottom plate, a baffle and a pressing block, wherein the lower surface of the bottom plate is a horizontal plane, and at least one part of the upper surface of the bottom plate is suitable for being matched and attached to the surface of an airfoil workpiece; the baffle is arranged on the bottom plate and is suitable for being attached to the side face of the area, corresponding to the sunken groove for mounting the skin, of the airfoil workpiece, and the height of the baffle is not lower than that of the side face; the pressing block is connected with the base plate through a bolt or a fixing pin, the lower surface of one end of the pressing block is suitable for being attached to the base plate, and the lower surface of the other end of the pressing block is suitable for being attached to the upper surface of at least one part of the edge area of the corresponding non-hollow area on the airfoil workpiece. The fixing device is simple in structure, convenient to assemble and disassemble, easy to machine and reliable in positioning, can achieve the effects of realizing high-precision positioning of airfoil workpieces, avoiding deformation of the workpieces in the welding process and providing good gas protection, and achieves the effects of ensuring the quality of welding seams and improving the production efficiency.
Description
Technical Field
The utility model belongs to the field of machinery, particularly, relate to and be suitable for and carry out high energy beam covering welded fixing device to the airfoil work piece.
Background
The titanium alloy wing surface structure consists of a framework and a thin skin, wherein the skin is laid on the framework to form an overlap joint, and the framework and the thin skin are connected through a welding method. However, when welding is performed by fusion welding, the airfoil surface is subjected to large welding deformation; meanwhile, when the small skin is penetrated and welded, although the welding quality of the inside can be ensured, the protection of the edge area is difficult to realize, the gas protection cannot meet the requirement, and the welding seam quality is difficult to ensure; in addition, because the airfoil is usually a complex special-shaped surface, the difficulty of reliably assembling and positioning each part in the airfoil during welding is high, the displacement, deformation and dimensional accuracy of the part during welding are difficult to control and prevent, and the weld gap is ensured. However, in the field of aerospace machining and manufacturing, strict requirements are imposed on welding quality and shape accuracy of titanium alloy airfoils, especially airfoils with complex special-shaped surfaces, and control of weld strength and airfoil shape accuracy are major difficulties in machining and manufacturing and are one of key technologies for airfoil manufacturing.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a carry out high energy beam covering welded fixing device to the airfoil work piece. The fixing device is simple in structure, convenient to assemble and disassemble, easy to machine and reliable in positioning, can achieve the effects of realizing high-precision positioning of airfoil workpieces, avoiding deformation of the workpieces in the welding process and providing good gas protection, and achieves the effects of ensuring the quality of welding seams and improving the production efficiency.
According to the utility model discloses an aspect, the utility model provides a be suitable for and carry out high energy beam covering welded fixing device to the airfoil work piece. According to the utility model discloses an embodiment, the airfoil work piece that this fixing device is suitable for includes skeleton and covering, be equipped with on the regional at least partly of inner edge of at least one side of skeleton and be used for the installation the undercut groove of covering, just at least a part of skeleton edge area is non-hollow region, the degree of depth in undercut groove with the thickness of covering is the same, carries out high energy beam covering welded welding process to the airfoil work piece and can be laser welding, and this fixing device includes:
the lower surface of the base plate is a horizontal plane, and at least one part of the upper surface of the base plate is suitable for being matched and attached to the surface of the airfoil workpiece;
the baffle is arranged on the bottom plate and is suitable for being attached to the side face of the area, corresponding to the sunken groove, of the airfoil workpiece, and the height of the baffle is not lower than that of the side face;
the lower surface of one end of the pressing block is suitable for being attached to the base plate, and the lower surface of the other end of the pressing block is suitable for being attached to the upper surface of at least one part of the edge area of the corresponding non-hollow area on the airfoil workpiece.
The utility model discloses above-mentioned embodiment be suitable for and carry out high-energy beam covering welded fixing device to the airfoil work piece and have following advantage at least: 1) in the prior art, when welding the airfoil workpieces, each airfoil workpiece needs to be aligned to ensure the position precision, in the fixing device of the utility model, the upper surface of the bottom plate is actually a special-shaped surface matched with the surface structure of the airfoil workpiece, the matching and the laminating of the upper surface of the bottom plate and the surface of the airfoil workpiece are more favorable for realizing the reliable positioning of the airfoil workpiece with a complex special-shaped surface, meanwhile, the baffle plate can effectively protect the welding line and achieve the arc striking effect in the welding process, the laminating of the baffle plate and the side surface of the airfoil workpiece can further improve the positioning precision of the airfoil workpiece, the fixation of the airfoil workpiece and the improvement of the fixing strength can be realized by combining the pressing block, the displacement and the deformation of the airfoil workpiece in the welding process are controlled and prevented, the size precision and the welding line clearance of parts are ensured, therefore, when welding a plurality of airfoil workpieces, each alignment is not needed, the welding efficiency can be greatly improved, and the method is suitable for continuous processing of batch workpieces; 2) by attaching the side face, corresponding to the sunken groove, of the airfoil workpiece to the baffle plate with the height not lower than that of the side face, good gas protection can be provided for the workpiece in the welding process, smooth welding is ensured, and the problems that the peripheral air is involved, the welding effect is poor and the workpiece is deformed due to the sinking of the protective gas flow in the edge area of the airfoil workpiece in the welding process are solved; 3) the fixing device is simple in structure, convenient to assemble and disassemble, easy to machine and reliable in positioning, wing surface workpieces are convenient to position for welding, high-efficiency laser welding of batch products is easy to achieve, meanwhile, inert gas protection is facilitated, and the quality of welding seams of the workpieces is guaranteed.
In addition, according to the utility model discloses be suitable for and carry out high-energy beam covering welded fixing device to airfoil work piece of above-mentioned embodiment can also have following additional technical characterstic:
optionally, the height of the baffle plate is not greater than 0.3mm different from the height of the side of the airfoil workpiece to which it is attached.
Optionally, the baffle is removably attached to the base plate.
Optionally, the baffle comprises at least one positioning baffle, and two opposite side surfaces of the positioning baffle are attached to the side surface of the airfoil workpiece, and the other side surface of the positioning baffle is coincided with the edge of the bottom plate.
Optionally, each baffle corresponds to a said sag groove continuously distributed along a side of said airfoil workpiece, and the length of each said baffle is not less than the length of its corresponding said sag groove.
Optionally, the positioning baffle is detachably connected with the bottom plate or integrally formed with the bottom plate.
Optionally, a step surface or a groove is arranged on the baffle plate at a position matched with the end of the sunken groove corresponding to the baffle plate, and the step surface or the groove is used for placing an arc striking plate or an arc extinguishing plate.
Optionally, the clamping device comprises two clamping blocks distributed at intervals, and the clamping blocks are connected with the bottom plate through bolts or fixing pins.
Optionally, the airfoil workpiece is provided with a through hole arranged along the thickness direction of the airfoil workpiece, and the bottom plate is provided with a screw hole or a positioning pin hole corresponding to the through hole.
Optionally, the bottom plate is provided with a screw hole or a positioning pin hole matched with the structure and the position of the airfoil workpiece.
Optionally, the fixture adapted for high beam skin welding of an airfoil workpiece further comprises: the bottom plate is arranged on the horizontal base.
Optionally, the upper surface and the lower surface of the airfoil workpiece are respectively and independently provided with a sunken groove for mounting the skin, and the bottom plate comprises a first bottom plate suitable for being attached to the lower surface of the airfoil workpiece and a second bottom plate suitable for being attached to the upper surface of the airfoil workpiece; the baffles comprise a first baffle adapted to cooperate with the first base plate and a second baffle adapted to cooperate with the second base plate; the compression blocks include a first compression block adapted for use with the first base plate and a second compression block adapted for use with the second base plate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic diagram of a bottom plate of a fixing device for high energy beam skin welding of a wing surface workpiece according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a baffle of a fixture for high energy beam skin welding of an airfoil workpiece, according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a pressing block in a fixture for high-energy beam skin welding of an airfoil workpiece according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a fixing device for high-energy beam skin welding of an airfoil workpiece according to an embodiment of the present invention.
Fig. 5 is a front view of fig. 4.
Fig. 6 is a partially enlarged view of fig. 5.
FIG. 7 is a schematic illustration of the structure of an airfoil workpiece skeleton.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
According to the utility model discloses an aspect, the utility model provides a be suitable for and carry out high energy beam covering welded fixing device to the airfoil work piece. According to the utility model discloses an embodiment, referring to that fig. 1 is shown or fig. 7 is shown (only shows the partial upper surface of partial airfoil skeleton and bottom plate in fig. 1), the airfoil work piece that this fixing device is suitable for includes skeleton G and covering, be equipped with the groove G1 that sinks that is used for installing the covering on the regional at least part of inner edge of skeleton at least one side, and skeleton edge region's at least one part is non-hollow region, the degree of depth in the groove that sinks is the same with the thickness of covering, carry out high-energy beam covering welded welding process to the airfoil work piece and can be laser welding, this fixing device includes: bottom plate 10, baffle 20 and compact heap 30, wherein:
referring to fig. 1 and 4, the lower surface of the base plate 10 is a horizontal surface, and at least a portion of the upper surface of the base plate 10 is adapted to be matched and attached to the surface of the airfoil workpiece, wherein the upper surface of the base plate is actually a special-shaped surface matched with the surface structure of the airfoil workpiece, and the matching and attaching of the upper surface of the base plate and the surface of the airfoil workpiece is more favorable for reliably positioning the airfoil workpiece with a complex special-shaped surface, so that the position accuracy is ensured, alignment of each piece is not required when welding a plurality of airfoil workpieces, and the welding efficiency can be greatly improved. It can be understood by referring to fig. 1 to 5 that the baffle 20 is disposed on the bottom plate 10, the baffle 20 is adapted to be attached to a side surface of an area where a corresponding sunken groove G1 is located on the airfoil workpiece (as shown in fig. 5, a positioning baffle 21 is attached to a side surface of the airfoil skeleton G, it should be noted that, in fig. 5, a gap exists between the baffle 201 or 202 and the side surface of the airfoil skeleton G when the airfoil workpiece is fixed, the baffle 201 or 202 is also attached to the side surface of the airfoil skeleton after the airfoil workpiece is fixed, and the height of the baffle is not lower than the height of the side surface, where the baffle is mainly used as a shielding gas to avoid a problem that surrounding air is introduced due to the shielding gas at an edge area of the airfoil workpiece sinking to affect the quality of a weld at an adjacent edge area of the airfoil, so that the weld can be effectively protected; and moreover, the baffle is attached to the side surface of the airfoil workpiece, so that the accurate positioning and fixing of the airfoil workpiece are further facilitated. Referring to fig. 3 and 4, the pressing block 30 is connected to the base plate 10 through bolts or fixing pins, a lower surface 31 of one end of the pressing block 30 is suitable for being attached to the base plate 10, a lower surface 32 of the other end of the pressing block 30 is suitable for being attached to an upper surface of at least a part of an edge area of the corresponding non-hollow area on the airfoil workpiece, and the area where the pressing block is attached to the base plate may be provided with through holes matched with the bolts or fixing pins. The pressing block is fastened by a bolt or a fixing pin for adhering to the profile, so that the effects of effectively fixing the workpiece and preventing welding deformation of the airfoil workpiece can be achieved. To sum up, the fixing device has the advantages of simple structure, convenience in assembly and disassembly, easiness in processing and reliability in positioning, can simultaneously realize the high-precision positioning of the airfoil workpiece, avoid the deformation of the workpiece in the welding process and provide good gas protection, and achieves the effects of ensuring the quality of a welding seam and improving the production efficiency.
The fixing device suitable for performing high-energy beam skin welding on the airfoil workpiece according to the above embodiment of the present invention is described in detail below with reference to fig. 1 to 6.
According to a specific embodiment of the present invention, the bottom plate 10 may be provided with a plurality of screw holes and/or positioning pin holes, and the screw holes and/or positioning pin holes are distributed along with the position of the baffle, the airfoil workpiece or the pressing block, so as to fix the baffle, the airfoil workpiece or the pressing block through the screw holes and/or positioning pin holes. For example, according to the utility model discloses a concrete example, can be equipped with on the bottom plate 10 with airfoil work piece structure and position matching's screw or location pinhole, can inject the position of airfoil work piece through bottom plate, bolt/locating pin and baffle, ensure positioning accuracy, the welding part need not every alignment, can improve welding efficiency greatly.
According to the utility model discloses a still another embodiment, the altitude difference of the airfoil work piece side of baffle 20 height and rather than laminating can be not more than 0.3mm, the inventor discovers, the height of baffle corresponds the side highly uniform in the sunken groove G1 place region or when being a little higher than this side on the airfoil work piece, can effectively block near welding seam region protective gas and sink in welding process, avoid the surrounding air to introduce, make the welding seam can obtain effective protection, but if the height of baffle and the airfoil work piece on correspond sunken groove G1 place regional side height compare when too high, the problem of finding accuracy that will influence the solder joint appears, the height of control flap is above-mentioned scope and is more favorable to improving welding quality.
According to another embodiment of the present invention, the baffle 20 can be detachably connected to the bottom plate 10, wherein the detachable connection mode is not particularly limited, and those skilled in the art can select the detachable connection mode according to actual needs, for example, the baffle can be fixedly connected to the bottom plate by bolts or positioning pins.
According to another embodiment of the present invention, referring to fig. 1, 4 and 5, the baffle 20 may include at least one positioning baffle 21, and one of two oppositely disposed sides of the positioning baffle 21 is attached to the side of the airfoil workpiece, and the other side is overlapped with the edge of the bottom plate 10, thereby further improving the accuracy of positioning the airfoil workpiece by means of the edge of the bottom plate. It should be noted that, the positioning baffle 21 may be integrally formed with the bottom plate 10, or may be detachably connected to the bottom plate 10, for example, may be connected to the bottom plate through a bolt or a positioning pin, and when the positioning baffle is detachably connected to the bottom plate, on the premise that smooth replacement of the airfoil workpiece is not affected, at least one positioning baffle may be kept stationary during the process of replacing the workpiece, and only other baffles may be detached and repeatedly fixed, thereby further improving convenience of operation and improving production effect.
According to another embodiment of the present invention, referring to fig. 4, each baffle 20 may correspond to a sinking groove continuously distributed along the side surface of the airfoil workpiece, each side surface may correspond to a sinking groove corresponding to only one skin, and the length of each baffle 20 may be not less than the length of its corresponding sinking groove, for example, the length of each baffle may be greater than the length of its corresponding sinking groove, thereby further ensuring the welding effect on the entire airfoil workpiece. According to a specific example of the utility model, as shown with reference to fig. 4 and 5, the inner edge region of two sides that the airfoil work piece set up relatively can be equipped with the sunken groove that matches with the covering independently respectively, can include two baffles this moment, these two baffles can be arranged in the both sides of airfoil work piece along the width direction of bottom plate, the sum of the width of baffle and airfoil work piece this moment can be the same with the width of bottom plate, can more be favorable to accurate location and the improvement fixed strength of airfoil work piece from this, avoid the work piece to take place to warp in welding process.
According to another embodiment of the present invention, as understood by referring to fig. 2 and 4, the baffle 20 may be provided with a step surface 22 or a groove 22 at a position matching with the end of the corresponding depressed groove, and the step surface or the groove is used for placing the run-on plate or the run-off plate. Therefore, the step surface or the groove surface can be utilized to realize arc striking or arc closing of welding, so that the quality of a welding seam can be further ensured, and welding defects are avoided.
According to the utility model discloses a still another embodiment, can be equipped with two interval distribution's compact heap 30 on every bottom plate 10 respectively, the compact heap can be connected with bottom plate 10 through bolt or fixed pin, can more be favorable to the reliable fixed to the airfoil work piece from this.
According to still another embodiment of the present invention, referring to fig. 4, the airfoil workpiece may have a through hole (e.g., a through hole corresponding to the positioning pin 52 on the airfoil workpiece in fig. 4) arranged along a thickness direction (i.e., a height direction shown in fig. 6) thereof, and the bottom plate 10 may have a screw hole or a positioning pin hole corresponding to the through hole, so that the airfoil workpiece may be accurately positioned by the positioning pin or the bolt further by means of the cooperation of the structural feature of the airfoil workpiece itself and the bottom plate.
According to still another embodiment of the present invention, referring to fig. 4, the fixing device suitable for high energy beam skin welding of the airfoil workpiece may further include: the horizontal base 40, the bottom plate 10 can be arranged on the horizontal base 40.
According to another specific embodiment of the present invention, when welding the airfoil workpiece, the front and back surfaces need to be separately welded, at this time, the welding of the front and back surfaces of the airfoil workpiece can be realized by increasing the bottom plate, specifically, the upper surface and the lower surface (i.e. the front and back surfaces) of the airfoil workpiece are respectively and independently provided with a sinking groove for mounting the skin, as shown in fig. 4 (only a part of the upper surface of the airfoil framework and two bottom plates is shown in fig. 4), the bottom plate 10 can include a first bottom plate 101 suitable for being attached to the lower surface of the airfoil workpiece and a second bottom plate 102 suitable for being attached to the upper surface of the airfoil workpiece, wherein the first bottom plate 101 and the second bottom plate 102 can be simultaneously detachably fixed on the horizontal base 40, and specifically can be fixed by bolts or positioning pins; the baffle 20 comprises a first baffle 201 adapted to cooperate with the first base plate 101 and a second baffle 202 adapted to cooperate with the second base plate 102; the hold down 30 may comprise a first hold down 301 adapted for use with the first base plate 101 and a second hold down 302 adapted for use with the second base plate 102 whereby the front/back faces of the airfoil work piece may be welded before the back/front faces of the airfoil work piece. It should be noted that the number of the baffle plates and the number of the pressing blocks, which are arranged for the first base and the second base, are respectively independent, in addition, the number of the first baffle plate, the second baffle plate, the first pressing block and the second pressing block may be at least one respectively and independently, and specifically may be selected according to actual needs, wherein the first bottom plate and the second bottom plate may be respectively and independently connected to the bases by one or more bolts (as shown by bolts 51 in fig. 4) or positioning pins, or the baffle plates, the pressing blocks or the airfoil workpieces are fixed.
To sum up, the utility model discloses be suitable for and carry out high-energy beam covering welded fixing device to the airfoil work piece and have following advantage at least: 1) in the prior art, when welding the airfoil workpieces, each airfoil workpiece needs to be aligned to ensure the position precision, in the fixing device of the utility model, the upper surface of the bottom plate is actually a special-shaped surface matched with the surface structure of the airfoil workpiece, the matching and the laminating of the upper surface of the bottom plate and the surface of the airfoil workpiece are more favorable for realizing the reliable positioning of the airfoil workpiece with a complex special-shaped surface, meanwhile, the baffle plate can effectively protect the welding line and achieve the arc striking effect in the welding process, the laminating of the baffle plate and the side surface of the airfoil workpiece can further improve the positioning precision of the airfoil workpiece, the fixation of the airfoil workpiece and the improvement of the fixing strength can be realized by combining the pressing block, the displacement and the deformation of the airfoil workpiece in the welding process are controlled and prevented, the size precision and the welding line clearance of parts are ensured, therefore, when welding a plurality of airfoil workpieces, each alignment is not needed, the welding efficiency can be greatly improved, and the method is suitable for continuous processing of batch workpieces; 2) by attaching the side face, corresponding to the sunken groove, of the airfoil workpiece to the baffle plate with the height not lower than that of the side face, good gas protection can be provided for the workpiece in the welding process, smooth welding is ensured, and the problems that the peripheral air is involved, the welding effect is poor and the workpiece is deformed due to the sinking of the protective gas flow in the edge area of the airfoil workpiece in the welding process are solved; 3) the fixing device is simple in structure, convenient to assemble and disassemble, easy to machine and reliable in positioning, wing surface workpieces are convenient to position for welding, high-efficiency laser welding of batch products is easy to achieve, meanwhile, inert gas protection is facilitated, and the quality of welding seams of the workpieces is guaranteed.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a be suitable for carry out high energy beam covering welded fixing device to airfoil work piece, the airfoil work piece includes skeleton and covering, be equipped with on at least a part of the inner edge region of skeleton at least one side and be used for the installation the sunken groove of covering, just at least a part of skeleton edge region is non-hollow region, the depth of sunken groove with the thickness of covering is the same, its characterized in that includes:
the lower surface of the bottom plate is a horizontal plane, and at least one part of the upper surface of the bottom plate is suitable for matching and attaching with the surface of the airfoil workpiece;
the baffle is arranged on the bottom plate and is suitable for being attached to the side face of the area, corresponding to the sunken groove, of the airfoil workpiece, and the height of the baffle is not lower than that of the side face;
the lower surface of one end of the pressing block is suitable for being attached to the base plate, and the lower surface of the other end of the pressing block is suitable for being attached to the upper surface of at least one part of the edge area of the corresponding non-hollow area on the airfoil workpiece.
2. The fixture suitable for high energy beam skin welding an airfoil workpiece according to claim 1, wherein the height difference between the height of the baffle and the side of the airfoil workpiece attached to the baffle is not more than 0.3 mm.
3. The fixture apparatus adapted for high beam skin welding an airfoil workpiece according to claim 1, wherein the baffle is removably attached to the base plate.
4. The fixture suitable for high energy beam flow skin welding of an airfoil workpiece according to claim 1, wherein the baffle comprises at least one positioning baffle, and two opposite side surfaces of the positioning baffle are attached to one side surface of the airfoil workpiece and overlapped with the edge of the base plate.
5. The fixture apparatus adapted for high beam skin welding an airfoil workpiece according to claim 4, wherein at least one of the following conditions is satisfied:
each baffle corresponds to one sunken groove which is continuously distributed along the side surface of the airfoil workpiece, and the length of each baffle is not less than that of the corresponding sunken groove;
the positioning baffle is detachably connected with the bottom plate or integrally formed with the bottom plate.
6. The fixing device suitable for high-energy beam skin welding of an airfoil workpiece according to claim 1, wherein a step surface or a groove is arranged on the baffle plate at a position matched with the end of the sunken groove corresponding to the baffle plate, and the step surface or the groove is used for placing an arc striking plate or an arc retracting plate.
7. The fixing device suitable for high-energy beam skin welding of the airfoil workpiece according to claim 1, characterized by comprising two pressing blocks which are distributed at intervals, and the pressing blocks are connected with the bottom plate through bolts or fixing pins.
8. The fixture adapted for high energy beam skin welding an airfoil workpiece according to claim 1, wherein at least one of:
the airfoil workpiece is provided with a through hole arranged along the thickness direction of the airfoil workpiece, and the bottom plate is provided with a screw hole or a positioning pin hole corresponding to the through hole;
and the bottom plate is provided with a screw hole or a positioning pin hole matched with the structure and the position of the airfoil workpiece.
9. The fixture apparatus adapted for high beam skin welding an airfoil workpiece according to claim 1, further comprising: the bottom plate is arranged on the horizontal base.
10. The fixing device suitable for the high-energy beam flow skin welding of the airfoil workpiece according to any one of claims 1 to 9, wherein the upper surface and the lower surface of the airfoil workpiece are respectively and independently provided with a sunken groove for installing the skin, and the bottom plate comprises a first bottom plate suitable for being attached to the lower surface of the airfoil workpiece and a second bottom plate suitable for being attached to the upper surface of the airfoil workpiece; the baffle plates comprise a first baffle plate and a second baffle plate, wherein the first baffle plate is suitable for being matched with the first bottom plate, and the second baffle plate is suitable for being matched with the second bottom plate; the compression blocks include a first compression block adapted for use with the first base plate and a second compression block adapted for use with the second base plate.
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| CN202121113458.XU CN217290910U (en) | 2021-05-21 | 2021-05-21 | Fixing device suitable for high-energy beam skin welding of airfoil workpiece |
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| CN202121113458.XU CN217290910U (en) | 2021-05-21 | 2021-05-21 | Fixing device suitable for high-energy beam skin welding of airfoil workpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381152A (en) * | 2023-11-20 | 2024-01-12 | 华钛空天(北京)技术有限责任公司 | Airfoil welding tool and airfoil welding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381152A (en) * | 2023-11-20 | 2024-01-12 | 华钛空天(北京)技术有限责任公司 | Airfoil welding tool and airfoil welding method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fixed device suitable for high-energy beam skin welding of wing surface workpieces Effective date of registration: 20230628 Granted publication date: 20220826 Pledgee: Beijing first financing Company limited by guarantee Pledgor: Huati Aerospace (Beijing) Technology Co.,Ltd. Registration number: Y2023980046653 |