CN114239189B - Frame structural member manufacturability optimization design method, device, equipment and medium - Google Patents
Frame structural member manufacturability optimization design method, device, equipment and medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000013461 design Methods 0.000 title claims abstract description 31
- 238000005457 optimization Methods 0.000 title claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 91
- 230000006835 compression Effects 0.000 claims abstract description 90
- 238000012545 processing Methods 0.000 claims abstract description 48
- 239000011148 porous material Substances 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 30
- 238000005056 compaction Methods 0.000 claims description 48
- 238000010586 diagram Methods 0.000 claims description 27
- 238000004590 computer program Methods 0.000 claims description 12
- 230000003187 abdominal effect Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000003754 machining Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
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- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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- G—PHYSICS
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- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- G—PHYSICS
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Abstract
The application discloses a method, a device, equipment and a medium for the manufacturability optimization design of frame structural parts, wherein the method comprises the following steps: establishing an initial part number model according to the assembly relation required to be executed by the frame structural member; determining a universal pore platform or a universal pore tool according to the assembly relation so as to confirm the position of a compression hole of the frame structural member; the universal pore platform or the universal pore tool is used for processing the frame structural member, and the universal pore platform is self-provided for a processing machine tool; an auxiliary pressing web hole is arranged at a web plate, which is close to the pressing hole, on the frame structural member; the flange boss is arranged around the auxiliary compression web hole arranged on the frame structural member, and the flange boss is processed without using a special tool, so that the tooling cost is reduced, the development period of an airplane is shortened, and the qualification rate of parts is improved.
Description
Technical Field
The application relates to the technical field of aircraft structural design, in particular to a method, a device, equipment and a medium for the manufacturability optimization design of frame structural parts.
Background
The prior aircraft structural design mainly adopts a mode of firstly completing structural design and then carrying out process inspection, and does not consider the manufacturing scheme of parts in the design stage, when the structural parts, especially the parts such as large-scale frame structural parts, are manufactured, the stability of the parts during processing is ensured by using a special milling and clamping tool or even a special vacuum milling and clamping tool, the parts are difficult to process by using a general tool, the manufacturing cost of the high-volume tool is generated by the special tool, the development period of the aircraft is influenced by the tool design and production, the stability is poor during processing the parts, and the qualification rate of the parts is low.
Disclosure of Invention
The application mainly aims to provide a method, a device, equipment and a medium for the manufacturability optimization design of frame structural parts, and aims to solve the technical problems of high cost and long period caused by the fact that a special tool is needed in the existing method for processing and designing the frame structural parts of an airplane.
In order to achieve the above purpose, the application provides a method for the manufacturability optimization design of frame structural parts, which comprises the following steps:
Establishing an initial part number model according to the assembly relation required to be executed by the frame structural member;
determining a universal pore platform or a universal pore tool according to the assembly relation so as to confirm the position of a compression hole of the frame structural member; the universal pore platform or the universal pore tool is used for processing the frame structural member, and the universal pore platform is self-provided for a processing machine tool;
an auxiliary pressing web hole is arranged at a web plate, which is close to the pressing hole, on the frame structural member;
And flanging bosses are arranged around the auxiliary compression web holes arranged on the frame structural member.
Optionally, the determining the universal hole platform or the universal hole fixture according to the assembly relation to confirm the position of the pressing hole of the frame structural member includes:
Confirming a processing machine tool;
Establishing a hole map according to the confirmed whether the processing machine tool is provided with a universal hole platform or not and the universal hole platform or the universal hole tool;
Placing the web plate of the frame structural member parallel to the hole site diagram, so that the modeling origin of the initial part number model coincides with the center of the hole site diagram;
Marking effective compression points and potential effective points on the frame structural member according to the hole site diagram;
Determining an effective compaction region;
checking whether the frame structural member is completely positioned in the effective compression area, if not, adjusting the position of the frame structural member in the hole site diagram, and returning to the step of marking the effective compression point positions and the potential effective point positions on the frame structural member according to the hole site diagram until the frame structural member is completely positioned in the effective compression area.
Optionally, the marking, according to the hole site diagram, an effective compression point and a potential effective point on the frame structural member includes:
Marking effective compression points in the existing web holes on the frame structural member in the hole site diagram;
marking the opened web plate holes with the effective compression points in the frame structural member as effective compression holes;
Marking potential effective points on the non-perforated parts of the frame structural members.
Optionally, the establishing the hole map according to the general hole platform or the general hole tool according to the confirmed whether the processing machine tool is provided with the general hole platform or not includes:
and establishing a hole bitmap according to the position of the hole center of the compaction hole of the universal hole platform according to whether the confirmed processing machine tool has the universal hole platform or not, and establishing the hole bitmap according to the position of the hole center of the compaction hole of the universal hole tool used for processing the frame structural member if not.
Optionally, in the step of confirming the machine tool, if the machine tool cannot be confirmed, a hole pattern is created according to a square matrix of 100mm×100 mm.
Optionally, the meeting condition of the effective compression point position is: the distance between the effective compression point and the profile of the opened web hole on the frame structural member is larger than the diameter D t of the cutter on the processing machine tool.
Optionally, the meeting condition of the potential effective point position is: the hole positions corresponding to the potential effective point positions are used as centers, and no coordination relation is assembled in the phi (2D t+Ds) area; wherein D s is the diameter of the compression bolt or nut.
Optionally, the determining the effective compaction region includes:
Confirming the thickness t m of the minimum web of the frame structural member;
Shifting the outline of all the effective compression points outwards by 100t m;
marking a region formed by the contour envelope of each offset effective compression point as a first sub effective compression region;
Constructing circles with phi 200t m by all the potential effective points;
Marking the area formed by the circular envelope of each phi 200t m as a second sub-effective compaction area;
And superposing all the first sub-effective compaction areas and the second sub-effective compaction areas to form effective compaction areas.
Optionally, the auxiliary pressing web hole is disposed at the web plate near the pressing hole on the frame structural member, and the auxiliary pressing web hole comprises:
Measuring the minimum distance between all the potential effective points and the rib edge strips in the frame structural member;
Setting auxiliary compression abdominal plate holes with diameters larger than 2D t+Ds at the potential effective point positions with the minimum distances larger than 2D t+0.5Ds;
And setting auxiliary compression abdominal plate holes with diameters larger than 2D t at the potential effective point positions with the minimum distance smaller than or equal to 2D t+0.5Ds.
Optionally, the flanging boss is disposed around the auxiliary compression web hole disposed on the frame structural member, and includes:
Determining a flanging direction;
Measuring the web thickness corresponding to each auxiliary compression web hole;
Identifying the diameter of each auxiliary pressing web hole as D i, and the thickness of the web at the corresponding position as t i;
A flanging boss is arranged around each auxiliary pressing web hole, the width of the flanging boss is larger than 0.1D i, and the boss thickness of the flanging boss is larger than 2t i;
checking the distance between each flanging boss and ribs and flanges on the frame structural member, and extending the flanging boss with the distance smaller than D t to the corresponding ribs and flanges.
Optionally, the determining the flanging direction includes:
determining a modeling reference plane of the frame structural member;
determining the stretching distance of the web plate on the frame structural member relative to the modeling reference surface;
And determining the stretching direction of the flanging boss according to the stretching distance.
Optionally, the determining the stretching direction of the flanging boss according to the stretching distance includes:
If the stretching distance in one direction is 0, the stretching direction of the flanging boss is the same as the stretching direction in which the stretching distance is not 0, and if the stretching distances in the two directions are not 0, the flanging boss stretches in the two directions and the thickness ratio is the same as the web stretching distance ratio on the frame structural member.
Optionally, after the step of disposing a flanging boss around the auxiliary compression web hole disposed on the frame structural member, the method further includes:
and constructing the rest part of the frame structural member to obtain a finished part number model.
A frame structural member manufacturability optimization design device comprises:
The part modeling module is used for establishing an initial part number model according to the assembly relation required to be executed by the frame structural member;
The compaction hole confirming module is used for confirming a universal pore platform or a universal pore tool according to the assembly relation so as to confirm the position of the compaction hole of the frame structural member; the universal pore platform or the universal pore tool is used for processing the frame structural member, and the universal pore platform is self-provided for a processing machine tool;
The web hole construction module is used for arranging auxiliary compression web holes at the web plate, which is close to the compression hole, on the frame structural member;
and the flanging boss construction module is used for arranging flanging bosses around the auxiliary compression web holes arranged on the frame structural member.
A computer device comprising a memory in which a computer program is stored and a processor executing the computer program to implement the method described above.
A computer readable storage medium having a computer program stored thereon, the computer program being executable by a processor to implement the method described above.
The beneficial effects that the application can realize are as follows:
according to the application, the web holes on the frame structural member are matched with the universal hole platform or the universal hole tool of the machine tool in the design stage, and the auxiliary pressing web holes are reasonably arranged, so that the supporting rigidity and the stability can be enhanced in the part processing stage, the part qualification rate is improved, the stability of the part processing process is improved while the frame structural member can be processed without using a special tool, the part processing manufacturability is improved, the tool cost is reduced, and the development period is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic flow chart of a method for designing a frame-like structural member in an embodiment of the application;
FIG. 2 is a schematic diagram of an initial part count model established in an embodiment of the application;
FIG. 3 is a schematic view of the location of the mounting area of the finished frame-like structure in an embodiment of the present application;
FIG. 4 is a schematic view of a hole pattern of a compaction hole of a frame-type structure according to an embodiment of the present application;
FIG. 5 is a schematic illustration of the effective compression area of a frame-type structure in an embodiment of the application;
FIG. 6 is a schematic view of an embodiment of the present application after the frame-like structure is provided with auxiliary compression web holes;
FIG. 7 is a schematic view of a frame structure with a flange boss according to an embodiment of the present application;
Fig. 8 is a schematic diagram of a finished part number die obtained in an embodiment of the application.
Reference numerals:
1-a finished product installation area, 2-an effective compression point position, 3-a potential effective point position, 4-an auxiliary compression web hole and 5-a flanging boss.
The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture, if the specific posture is changed, the directional indicators are correspondingly changed.
In the present application, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
Example 1
Referring to fig. 1-8, the embodiment provides a method for designing a frame structural member in an optimized manufacturability manner, which includes the following steps:
Establishing an initial part number model according to the assembly relation required to be executed by the frame structural member;
determining a universal pore platform or a universal pore tool according to the assembly relation so as to confirm the position of a compression hole of the frame structural member; the universal pore platform or the universal pore tool is used for processing the frame structural member, and the universal pore platform is self-provided for a processing machine tool;
an auxiliary pressing web hole 4 is arranged at a web plate, which is close to the pressing hole, on the frame structural member;
And flanging bosses 5 are arranged around the auxiliary pressing web holes 4 arranged on the frame structural member.
In the embodiment, the web hole on the frame structural member is matched with the universal hole platform or the universal hole tool of the machine tool in the design stage, and the auxiliary pressing web hole 4 is reasonably arranged, so that the supporting rigidity and the stability can be enhanced in the part machining stage, the part qualification rate is improved, the stability of the part machining process is improved while the frame structural member can be machined without using a special tool, the part machining manufacturability is improved, the tool cost is reduced, and the development period is shortened.
As an optional implementation manner, the determining the universal hole platform or the universal hole fixture according to the assembly relation to confirm the position of the pressing hole of the frame structural member includes:
Confirming a processing machine tool;
Establishing a hole map according to the confirmed whether the processing machine tool is provided with a universal hole platform or not and the universal hole platform or the universal hole tool;
Placing the web plate of the frame structural member parallel to the hole site diagram, so that the modeling origin of the initial part number model coincides with the center of the hole site diagram;
marking an effective compression point position 2 and a potential effective point position 3 on the frame structural member according to the hole site diagram;
Determining an effective compaction region;
Checking whether the frame structural member is completely positioned in the effective compression area, if not, adjusting the position of the frame structural member in a hole site diagram, and returning to the step of marking an effective compression point position 2 and a potential effective point position 3 on the frame structural member according to the hole site diagram until the frame structural member is completely positioned in the effective compression area.
The effective compression point position 2 and the potential effective point position 3 are marked on the frame structural member according to the hole site diagram respectively, and the method comprises the following steps:
marking an effective compression point position 2 in the existing web hole on the frame structural member in the hole site diagram;
marking the opened web plate holes with the effective compression points 2 in the frame structural member as effective compression holes;
marking a potential effective point 3 on the non-perforated part of the frame structural member.
In this embodiment, a hole map is established through a confirmed universal hole platform or universal hole tooling, an effective compression point position 2 can be conveniently marked according to the hole map, then an effective compression hole can be accurately marked according to an opened web hole of the effective compression point position 2, and a potential effective point position 3 can be conveniently marked according to an unapertained part, so that an effective compression area is commonly determined according to the effective compression point position 2 and the potential effective point position 3, and finally, a frame structural member is completely positioned in the effective compression area, so that the position of the compression hole can be accurately found in a design stage to adapt to subsequent processing suitability. The method can be used for predicting whether the hole site used in the part machining and the hole site after the pressing screw is arranged in the part design stage meet the machining rigidity requirement, fully considers the process stability of the part machining and the suitability of a universal hole platform or a universal hole tool, and reduces the manufacturing difficulty of the part as far as possible on the premise of not affecting the structural strength and the service performance.
As an optional implementation manner, the method for establishing a hole map according to the general hole platform or the general hole tool according to whether the confirmed processing machine tool is provided with the general hole platform or not comprises the following steps:
and establishing a hole bitmap according to the position of the hole center of the compaction hole of the universal hole platform according to whether the confirmed processing machine tool has the universal hole platform or not, and establishing the hole bitmap according to the position of the hole center of the compaction hole of the universal hole tool used for processing the frame structural member if not.
In the embodiment, the hole pattern can be established according to a universal hole platform or a universal hole tool, and is selected according to whether the processing machine tool has the universal hole platform or not, so that the flexibility is high, the adaptability is good, and the hole pattern established according to the hole center position of the compaction hole has the function of accurate reference guidance.
As an optional implementation manner, in the step of confirming the machine tool, if the machine tool cannot be confirmed, a hole bitmap is built according to a square matrix of 100mm×100mm, so that in a special case that the machine tool cannot be confirmed, the hole bitmap can be built according to a square matrix of 100mm×100mm, so that the hole site of the frame structural member can be ensured to be matched with a common hole platform or a common hole tool.
As an alternative embodiment, the effective compression point 2 satisfies the following conditions: the distance between the effective compression point position 2 and the profile of the opened web hole on the frame structural member is larger than the diameter D t of the cutter on the processing machine tool, so that the effective compression point position 2 is ensured to be processed without using an additional cutter during processing when a process boss is arranged, the efficiency of part manufacturing is improved, and the manufacturing cost is saved
As an alternative embodiment, the satisfaction condition of the potential effective point 3 is: the hole site corresponding to the potential effective point position 3 is taken as a center, and no coordination relation is assembled in the phi (2D t+Ds) area; and Ds is the diameter of the compression bolt or the screw cap, so that when the process boss is arranged after the potential effective point 3 is perforated, an extra cutter is not required to be used for machining during machining, the efficiency of part manufacturing is improved, and the manufacturing cost is saved.
As an alternative embodiment, the determining the effective compression area includes:
Confirming the thickness t m of the minimum web of the frame structural member;
Shifting the outline of all the effective compression points 2 outwards by 100t m;
Marking a region formed by the contour envelope of each offset effective compression point position 2 as a first sub effective compression region;
Constructing circles with phi 200t m for all the potential effective points 3;
Marking the area formed by the circular envelope of each phi 200t m as a second sub-effective compaction area;
And superposing all the first sub-effective compaction areas and the second sub-effective compaction areas to form effective compaction areas.
In this embodiment, the effective compaction point location 2 and the effective compaction point location 3 of the first sub-effective compaction area and the effective compaction area of the second sub-effective compaction area are respectively constructed, and the effective compaction area can be quickly determined after the effective compaction point location 2 and the effective compaction point location 3 are overlapped.
As an alternative embodiment, the disposing an auxiliary pressing web hole 4 on the frame structural member near the web of the pressing hole includes:
measuring the minimum distance between all the potential effective points 3 and rib flanges in the frame structural member;
setting an auxiliary compression abdominal plate hole 4 with the diameter larger than 2D t+Ds at the potential effective point 3 with the minimum distance larger than 2D t+0.5Ds;
and setting an auxiliary compression abdominal plate hole 4 with the diameter larger than 2D t at the potential effective point 3 with the minimum distance smaller than or equal to 2D t+0.5Ds.
In this embodiment, through setting up the position rationally to supplementary compaction web hole 4, after setting up supplementary compaction web hole 4, can make the web around the compaction hole profile of waiting to set up and the compaction hole all need not use extra cutter to process to screw clamping number of times in the course of working is reduced as far as possible, promotes the efficiency of part manufacturing, practices thrift the cost of manufacture.
As an alternative embodiment, the flange boss 5 is disposed around the auxiliary pressing web hole 4 disposed on the frame structural member, and includes:
Determining a flanging direction;
Measuring the web thickness corresponding to each auxiliary compression web hole;
Identifying the diameter of each auxiliary pressing web hole as D i, and the thickness of the web at the corresponding position as t i;
A flanging boss 5 is arranged around each auxiliary pressing web hole, the width of the flanging boss 5 is larger than 0.1D i, and the boss thickness of the flanging boss 5 is larger than 2t i;
Checking the distance between each flanging boss 5 and the ribs and flanges on the frame structural member, and extending the flanging boss 5 with the distance smaller than D t to the corresponding ribs and flanges.
In the embodiment, after Kong Zhongcai materials are removed through edge thickening, the edge strength is improved without damage or instability at the edge of the hole, so that the weight of the part is reduced as much as possible on the premise of ensuring the strength of the part and processing without using an additional cutter.
As an alternative embodiment, the determining the flanging direction includes:
determining a modeling reference plane of the frame structural member;
determining the stretching distance of the web plate on the frame structural member relative to the modeling reference surface;
and determining the stretching direction of the flanging boss 5 according to the stretching distance.
In the embodiment, the influence of part optimization on the original part design target can be reduced as much as possible, and the use performance of the optimized part is not influenced.
As an alternative embodiment, the determining the stretching direction of the flanging boss 5 according to the stretching distance includes:
if the stretching distance in one direction is 0, the stretching direction of the flanging boss 5 is the same as the stretching direction in which the stretching distance is not 0, and if the stretching distances in both directions are not 0, the flanging boss 5 stretches in both directions and the thickness ratio is the same as the web stretching distance ratio on the frame structural member.
In this embodiment, the stretching direction of the flange boss 5 may be determined according to the stretching distance of the modeling reference plane, so as to achieve the effect of reducing the influence of the part optimization on the original part design target.
As an alternative embodiment, after the step of disposing the flanging boss 5 around the auxiliary-compression web hole 4 provided on the frame-like structural member, the method further includes:
and constructing the rest part of the frame structural member to obtain a finished part number model.
In this embodiment, the remaining parts of the frame-like structural member include corners, bottom corners, and the like, and the number of dies of the finished product obtained finally can be used as a reference for numerical control processing.
Example 2
Referring to fig. 1-8, a digital-analog isometric view of an aircraft part after modeling an assembly coordination relationship to be executed is shown in fig. 2, and besides web holes, the web of two finished product installation areas 1 are required to be planar, and holes cannot be formed and bosses cannot be arranged, specifically shown in the shadow of fig. 3;
The aircraft part is processed by using a universal pore platform with the hole distance of 100mm multiplied by 100mm, the adjusted compaction hole bitmap is shown in fig. 4, and circled points are identified effective compaction point positions 2 and potential effective point positions 3;
The minimum web thickness t m = 1.2mm of the aircraft part, the outline of the effective compaction hole deviates outwards by 120mm, and the envelope area formed after all the potential effective hole sites 3 are constructed into circles with phi 240mm is shown by the broken line in figure 5, if the potential effective point sites 3 are provided with auxiliary compaction web holes 4 (shown in figure 6), the stability of the part during processing can be better ensured;
then, a flanging boss 5 is arranged around the auxiliary pressing web hole 4, as shown in fig. 7;
an isometric view of the finished part form after details of the corners, bottom corners, etc. are made is shown in fig. 8.
Example 3
The embodiment provides a manufacturability optimization design device for frame structural parts, which comprises:
The part modeling module is used for establishing an initial part number model according to the assembly relation required to be executed by the frame structural member;
The compaction hole confirming module is used for confirming a universal pore platform or a universal pore tool according to the assembly relation so as to confirm the position of the compaction hole of the frame structural member; the universal pore platform or the universal pore tool is used for processing the frame structural member, and the universal pore platform is self-provided for a processing machine tool;
The web hole construction module is used for arranging auxiliary compression web holes 4 at the web plate, which is close to the compression hole, on the frame structural member;
and the flanging boss construction module is used for arranging flanging bosses 5 around the auxiliary compression web holes 4 arranged on the frame structural member.
In this embodiment, after the initial part number die is built through the part modeling module, then the web plate hole on the frame structural member is matched with the universal hole platform or the universal hole tool of the machine tool through the pressing hole confirming module in the design stage, the auxiliary pressing web plate hole 4 is reasonably arranged through the web plate hole building module, and the flanging boss 5 is built around the corresponding auxiliary pressing web plate hole 4 through the flanging boss building module, so that the supporting rigidity and the stability can be enhanced in the part processing stage, the part qualification rate is improved, the stability of the part processing process can be improved while the frame structural member can be processed without using a special tool, the part processing manufacturability is improved, the tool cost is reduced, and the development period is shortened.
Example 4
The present embodiment provides a computer device including a memory in which a computer program is stored and a processor that executes the computer program to implement the method described in embodiment 1.
Example 5
The present embodiment provides a computer-readable storage medium having a computer program stored thereon, the computer program being executed by a processor to implement the method described in embodiment 1.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (15)
1. The technical optimization design method for the frame structural member is characterized by comprising the following steps of:
Establishing an initial part number model according to the assembly relation required to be executed by the frame structural member;
Determining a universal pore platform or a universal pore tool according to the assembly relation so as to confirm the position of a compression hole of the frame structural member; the universal pore platform or the universal pore tool is used for processing the frame structural member, and the universal pore platform is self-provided for a processing machine tool; comprising the following steps: confirming a processing machine tool; establishing a hole map according to the confirmed whether the processing machine tool is provided with a universal hole platform or not and the universal hole platform or the universal hole tool; placing the web plate of the frame structural member parallel to the hole site diagram, so that the modeling origin of the initial part number model coincides with the center of the hole site diagram; marking effective compression points and potential effective points on the frame structural member according to the hole site diagram; determining an effective compaction region; checking whether the frame structural member is completely positioned in the effective compression area, if not, adjusting the position of the frame structural member in a hole site diagram, and returning to the step of marking effective compression points and potential effective points on the frame structural member according to the hole site diagram until the frame structural member is completely positioned in the effective compression area;
an auxiliary pressing web hole is arranged at a web plate, which is close to the pressing hole, on the frame structural member;
And flanging bosses are arranged around the auxiliary compression web holes arranged on the frame structural member.
2. The method for the manufacturability optimization design of frame structural members according to claim 1, wherein said marking effective compression points and potential effective points on said frame structural members according to said hole site map comprises:
Marking effective compression points in the existing web holes on the frame structural member in the hole site diagram;
marking the opened web plate holes with the effective compression points in the frame structural member as effective compression holes;
Marking potential effective points on the non-perforated parts of the frame structural members.
3. A method of optimizing the manufacturability of a frame-like structure according to claim 2, wherein said creating a hole map according to a universal hole platform or a universal hole tooling based on the determination of whether the machine tool has a universal hole platform, comprises:
and establishing a hole bitmap according to the position of the hole center of the compaction hole of the universal hole platform according to whether the confirmed processing machine tool has the universal hole platform or not, and establishing the hole bitmap according to the position of the hole center of the compaction hole of the universal hole tool used for processing the frame structural member if not.
4. A method of optimizing the manufacturability of frame-like structures according to claim 1, wherein in said step of identifying the machine tool, if the machine tool cannot be identified, a hole pattern is created in a square matrix of 100mm x 100 mm.
5. The method for the manufacturability optimization design of frame structural members according to claim 2, wherein the effective compression point positions satisfy the following conditions: the distance between the effective compression point and the profile of the opened web hole on the frame structural member is larger than the diameter D t of the cutter on the processing machine tool.
6. The method for the manufacturability optimization design of frame structural members according to claim 5, wherein the meeting condition of the potential effective point positions is as follows: the hole positions corresponding to the potential effective point positions are used as centers, and no coordination relation is assembled in the phi (2D t+Ds) area; wherein D s is the diameter of the compression bolt or nut.
7. A method of manufacturability optimization design of frame-like structures according to claim 6, wherein said determining an effective compaction region comprises:
Confirming the thickness t m of the minimum web of the frame structural member;
Shifting the outline of all the effective compression points outwards by 100t m;
marking a region formed by the contour envelope of each offset effective compression point as a first sub effective compression region;
Constructing circles with phi 200t m by all the potential effective points;
Marking the area formed by the circular envelope of each phi 200t m as a second sub-effective compaction area;
And superposing all the first sub-effective compaction areas and the second sub-effective compaction areas to form effective compaction areas.
8. The method for the manufacturability optimization design of frame-like structural members according to claim 7, wherein said providing an auxiliary compression web hole in said frame-like structural member at a web near said compression hole comprises:
Measuring the minimum distance between all the potential effective points and the rib edge strips in the frame structural member;
Setting auxiliary compression abdominal plate holes with diameters larger than 2D t+Ds at the potential effective point positions with the minimum distances larger than 2D t+0.5Ds;
And setting auxiliary compression abdominal plate holes with diameters larger than 2D t at the potential effective point positions with the minimum distance smaller than or equal to 2D t+0.5Ds.
9. The method for the manufacturability optimization design of frame structural parts according to claim 5, wherein the step of arranging a flanging boss around the auxiliary compression web hole arranged on the frame structural parts comprises the steps of:
Determining a flanging direction;
Measuring the web thickness corresponding to each auxiliary compression web hole;
Identifying the diameter of each auxiliary pressing web hole as D i, and the thickness of the web at the corresponding position as t i;
A flanging boss is arranged around each auxiliary pressing web hole, the width of the flanging boss is larger than 0.1D i, and the boss thickness of the flanging boss is larger than 2t i;
checking the distance between each flanging boss and ribs and flanges on the frame structural member, and extending the flanging boss with the distance smaller than D t to the corresponding ribs and flanges.
10. The method for the manufacturability optimization design of frame structural members according to claim 9, wherein said determining the flanging direction comprises:
determining a modeling reference plane of the frame structural member;
determining the stretching distance of the web plate on the frame structural member relative to the modeling reference surface;
And determining the stretching direction of the flanging boss according to the stretching distance.
11. The method for the manufacturability optimization design of frame-like structural members according to claim 10, wherein said determining the stretch direction of said flange boss according to said stretch distance comprises:
If the stretching distance in one direction is 0, the stretching direction of the flanging boss is the same as the stretching direction in which the stretching distance is not 0, and if the stretching distances in the two directions are not 0, the flanging boss stretches in the two directions and the thickness ratio is the same as the web stretching distance ratio on the frame structural member.
12. The method for the manufacturability optimization design of frame-like structural members according to claim 1, wherein after said step of disposing a flange boss around said auxiliary compression web hole disposed on said frame-like structural members, further comprising:
and constructing the rest part of the frame structural member to obtain a finished part number model.
13. The utility model provides a frame class structure manufacturability optimization design device which characterized in that includes:
The part modeling module is used for establishing an initial part number model according to the assembly relation required to be executed by the frame structural member;
The compaction hole confirming module is used for confirming a universal pore platform or a universal pore tool according to the assembly relation so as to confirm the position of the compaction hole of the frame structural member; the universal pore platform or the universal pore tool is used for processing the frame structural member, and the universal pore platform is self-provided for a processing machine tool; comprising the following steps: confirming a processing machine tool; establishing a hole map according to the confirmed whether the processing machine tool is provided with a universal hole platform or not and the universal hole platform or the universal hole tool; placing the web plate of the frame structural member parallel to the hole site diagram, so that the modeling origin of the initial part number model coincides with the center of the hole site diagram; marking effective compression points and potential effective points on the frame structural member according to the hole site diagram; determining an effective compaction region; checking whether the frame structural member is completely positioned in the effective compression area, if not, adjusting the position of the frame structural member in a hole site diagram, and returning to the step of marking effective compression points and potential effective points on the frame structural member according to the hole site diagram until the frame structural member is completely positioned in the effective compression area;
The web hole construction module is used for arranging auxiliary compression web holes at the web plate, which is close to the compression hole, on the frame structural member;
and the flanging boss construction module is used for arranging flanging bosses around the auxiliary compression web holes arranged on the frame structural member.
14. A computer device, characterized in that it comprises a memory in which a computer program is stored and a processor which executes the computer program, implementing the method according to any of claims 1-12.
15. A computer readable storage medium, having stored thereon a computer program, the computer program being executable by a processor to implement the method of any of claims 1-12.
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| CN103324804A (en) * | 2013-06-28 | 2013-09-25 | 南京航空航天大学 | Automatic generating method for internal compressing boss of plane component |
| CN113385960A (en) * | 2021-06-23 | 2021-09-14 | 成都飞机工业（集团）有限责任公司 | Pressing hole position slidable scale type universal tool and using method thereof |
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| US3121918A (en) * | 1960-04-07 | 1964-02-25 | Us Rubber Co | Molding apparatus |
| US11138808B2 (en) * | 2019-03-15 | 2021-10-05 | The Boeing Company | Apparatus and method for processor-aided design of a workholding frame |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103324804A (en) * | 2013-06-28 | 2013-09-25 | 南京航空航天大学 | Automatic generating method for internal compressing boss of plane component |
| CN113385960A (en) * | 2021-06-23 | 2021-09-14 | 成都飞机工业（集团）有限责任公司 | Pressing hole position slidable scale type universal tool and using method thereof |
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