CN109093013B - Edge covering forming method and device - Google Patents
Edge covering forming method and device Download PDFInfo
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- CN109093013B CN109093013B CN201810653329.6A CN201810653329A CN109093013B CN 109093013 B CN109093013 B CN 109093013B CN 201810653329 A CN201810653329 A CN 201810653329A CN 109093013 B CN109093013 B CN 109093013B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
- B21D39/021—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors
- B21D39/023—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors using rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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Abstract
The invention provides a wrapping edge forming method and a device, wherein the method comprises the following steps: an obtaining step, obtaining preset product parameters and preset process parameters; determining, namely determining a product simulation forming parameter according to a preset product parameter and a preset process parameter; and a judging step, comparing the product simulation forming parameters with preset product parameters, modifying the preset process parameters if the comparison result does not meet the preset requirements, and repeating the determining step and the judging step until the product forming meets the quality requirements. In the invention, if the comparison result does not meet the quality requirement, the preset process parameters can be repeatedly modified until the quality requirement is met, namely whether the product molding state meets the quality requirement can be verified in advance, and the die repairing times are reduced, thereby reducing the product setting cost; meanwhile, the forming analysis is not carried out only by technical requirements and experience, so that the analysis result is more accurate.
Description
Technical Field
The invention relates to the technical field of edge covering forming, in particular to an edge covering forming method and device.
Background
The body outer cover needs to be hemmed, and the current analysis of the hemmed shape thereof is generally developed according to technical documents, which causes the following disadvantages:
1. the modeling of the outer covering part is complex, the concave-convex fluctuation of the appearance characteristic is obvious, the forming quality defect appearing in the later period cannot be avoided to the maximum extent only by carrying out forming analysis on the outer covering part according to the technical document, and the problem cannot be excavated to the maximum extent.
2. The forming analysis is carried out according to the technical requirement file, a verification means is not provided for verifying whether the digital model of the outer cover part product after the analysis meets the forming quality requirement, the formability of the product can only be verified in a real object mode until the PPV stage, if the quality requirement is not met, the product needs to be changed again, and the mould is repaired for multiple times, which inevitably leads to the increase of the product setting cost.
3. The forming analysis is carried out according to the technical requirement file only by providing corresponding change requirements for product digifax and not carrying out corresponding process planning for the edge covering process, which can lead the PPV stage to repeatedly debug the on-site process for multiple times to meet the forming quality requirements of the outer covering part, thereby increasing the debugging period and labor cost and further prolonging the development period of corresponding products.
Disclosure of Invention
In view of the above, the invention provides a hemming molding method and device, and aims to solve the problem that multiple times of mold repair are needed due to the fact that molding analysis is carried out on a covering part according to a technical document at present.
In one aspect, the invention provides a hemming molding method, which comprises the following steps: an obtaining step, obtaining preset product parameters and preset process parameters; determining, namely determining a product simulation forming parameter according to a preset product parameter and a preset process parameter; and a judging step, comparing the product simulation forming parameters with preset product parameters, modifying the preset process parameters if the comparison result does not meet the preset requirements, and repeating the determining step and the judging step until the product forming meets the quality requirements.
Further, in the above hemming molding method, the determining step further includes: and if the comparison result meets the preset requirement, judging that the product molding meets the quality requirement.
Further, in the above edge covering molding method, obtaining preset product parameters includes: a first obtaining substep, obtaining product pre-design state data, product pre-flanging data and edge covering operation direction; and a second obtaining substep of obtaining the properties of the inner sheet material, the thickness of the inner sheet, the properties of the outer sheet material, and the thickness of the outer sheet.
Further, in the above edge covering forming method, obtaining preset process parameters includes: a third obtaining substep, obtaining the edge covering process type and the outer plate forming area; a fourth obtaining substep, obtaining the parameters of the fetal membrane and the thickness of the gluing layer; and a fifth obtaining substep, obtaining the edge covering technological parameters.
Further, in the hemming molding method, a fifth obtaining substep includes: a sixth obtaining substep, obtaining a wrapping track; a seventh obtaining sub-step, obtaining the wrapping times, the geometric shape of the wrapping tool applied in each wrapping and the flanging angle; and an eighth acquiring substep of acquiring a horizontal distance and a vertical distance between the hemming tool and the hemming trajectory.
According to the method, firstly, product simulation forming parameters are determined according to the acquired preset product parameters and preset process parameters, then the product simulation forming parameters are compared with the preset product parameters, and if the comparison result meets the preset requirements, the product forming is judged to meet the quality requirements; if the comparison result does not meet the quality requirement, modifying the preset process parameters, repeating the determining step and the judging step until the product molding meets the quality requirement, and if the comparison result does not meet the quality requirement, repeatedly modifying the preset process parameters until the quality requirement is met, namely verifying whether the product molding state meets the quality requirement in advance, so that the mold repairing times are reduced, and the product setting cost is reduced; meanwhile, the forming analysis is not carried out only by technical requirements and experience, so that the analysis result is more accurate; meanwhile, the software is used for operating the method, so that the process planning is carried out on the product forming, the process debugging on the production site can be guided, and the aims of shortening the debugging period and reducing the labor cost are fulfilled.
On the other hand, the invention also provides a wrapping forming device, which comprises: the acquisition module is used for acquiring preset product parameters and preset process parameters; the determining module is used for determining the simulation forming parameters of the product according to the preset product parameters and the preset process parameters; and the judging module is used for comparing the product simulation forming parameters with preset product parameters, modifying the preset process parameters if the comparison result does not meet the preset requirements, and repeating the determining module and the judging module until the product forming meets the quality requirements.
Further, in the hemming molding apparatus, the determination module is further configured to: and if the comparison result meets the preset requirement, judging that the product molding meets the quality requirement. Further, in the above-mentioned forming device that bordures, the module of acquireing includes when acquireing preset product parameter: the first acquisition submodule is used for acquiring product pre-design state data, product pre-flanging data and a hemming operation direction; and the second acquisition submodule is used for acquiring the attribute of the inner plate material, the thickness of the inner plate, the attribute of the outer plate material and the thickness of the outer plate.
Further, in the above wrapping and forming apparatus, the obtaining module further includes, when obtaining the preset process parameter: the third acquisition submodule is used for acquiring the edge covering process type and the outer plate forming area; the fourth acquisition submodule is used for acquiring the parameters of the fetal membrane and the thickness of the gluing layer; and the fifth obtaining submodule is used for obtaining the edge covering process parameters.
Further, in the hemming molding apparatus, the fifth obtaining sub-module includes: a sixth obtaining submodule, configured to obtain a wrapping track; the seventh acquisition sub-module is used for acquiring the edge covering times, the geometric shape of the roller applied in each edge covering and the flanging angle; and the eighth acquisition submodule is used for acquiring the horizontal distance and the vertical distance between the roller and the wrapping track.
According to the method, firstly, product simulation forming parameters are determined according to the acquired preset product parameters and preset process parameters, then the product simulation forming parameters are compared with the preset product parameters, and if the comparison result meets the preset requirements, the product forming is judged to meet the quality requirements; if the comparison result does not meet the quality requirement, modifying the preset process parameters, repeating the determining step and the judging step until the product molding meets the quality requirement, and if the comparison result does not meet the quality requirement, repeatedly modifying the preset process parameters until the quality requirement is met, namely verifying whether the product molding state meets the quality requirement in advance, so that the mold repairing times are reduced, and the product setting cost is reduced; meanwhile, the forming analysis is not carried out only by technical requirements and experience, so that the analysis result is more accurate; meanwhile, the software is used for operating the method, so that the process planning is carried out on the product forming, the process debugging on the production site can be guided, and the aims of shortening the debugging period and reducing the labor cost are fulfilled.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a flowchart of a hemming molding method according to an embodiment of the present invention;
fig. 2 is a flowchart of obtaining preset product parameters in the edge covering forming method according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of product edge rolling forming in the edge covering forming method provided in the embodiment of the present invention;
fig. 4 is a flowchart of obtaining preset product parameters in the edge covering forming method according to the embodiment of the present invention;
fig. 5 is a schematic view of an outer panel forming region in the hemming forming method according to the embodiment of the present invention;
fig. 6 is a flowchart of obtaining preset product parameters in the edge covering forming method according to the embodiment of the present invention;
fig. 7 is a schematic diagram of a wrapping track in the wrapping forming method according to the embodiment of the present invention;
fig. 8 is a schematic diagram illustrating a horizontal distance and a vertical distance between a hemming tool and a hemming track in the hemming molding method according to the embodiment of the present invention;
fig. 9 is a schematic diagram of a control point on a binding track in the binding forming method according to the embodiment of the present invention;
fig. 10 is a schematic diagram illustrating a comparison between a state position of an outer plate subjected to simulated edge rolling and a theoretical edge rolling state position of the outer plate in the edge rolling forming method according to the embodiment of the present invention;
fig. 11 is a block diagram of a structure of a hemming molding apparatus according to an embodiment of the present invention;
fig. 12 is a block diagram of a structure of an obtaining module in the hemming molding apparatus according to the embodiment of the present invention when obtaining preset product parameters;
fig. 13 is a structural block diagram of an acquisition module in the hemming molding apparatus according to the embodiment of the present invention when acquiring preset process parameters;
fig. 14 is a block diagram of a fifth obtaining sub-module in the hemming device according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The method comprises the following steps:
referring to fig. 1, fig. 1 is a flowchart of a hemming molding method provided in this embodiment. As shown, the method comprises the following steps:
an obtaining step S110, obtaining preset product parameters and preset process parameters.
Specifically, before the raw materials are made into the product, various parameters of the product and process parameters required for making the product need to be set, so that preset product parameters and preset process parameters need to be obtained first. During specific implementation, the preset product parameters and the preset process parameters can be manually imported into software, and the software can automatically divide the imported parameters into finite element networks.
And a determining step S120, determining the simulation molding parameters of the product according to the preset product parameters and the preset process parameters.
Specifically, simulation forming is carried out on the product according to the acquired preset product parameters and preset process parameters to obtain a simulated product, so that parameters of the simulated product, namely product simulation forming parameters, are obtained.
And a judging step S130, comparing the product simulation forming parameters with preset product parameters, if the comparison result does not meet the quality requirement, modifying the preset process parameters, and repeating the determining step and the judging step until the product forming meets the quality requirement.
Specifically, product simulation forming parameters of a simulation product are compared with preset product parameters, and if the comparison result meets the preset requirements, the product forming is judged to meet the quality requirements; and if the comparison result does not meet the quality requirement, modifying the preset process parameters, and repeating the determining step and the judging step until the product molding meets the quality requirement. In the specific implementation, taking the edge rolling molding as an example, the preset requirement can be that the tolerance between the product molded without wave folds, without cracks, the rolled rolling-in or rolling-out amount L and the preset value is not more than +/-0.25 mm. It should be noted that the preset requirement may be set according to a specific molding process and an actual requirement, and the embodiment does not limit the preset requirement at all.
In the embodiment, firstly, product simulation forming parameters are determined according to the acquired preset product parameters and preset process parameters, then the product simulation forming parameters are compared with the preset product parameters, and if the comparison result meets the preset requirements, the product forming is judged to meet the quality requirements; if the comparison result does not meet the quality requirement, modifying the preset process parameters, repeating the determining step and the judging step until the product molding meets the quality requirement, and if the comparison result does not meet the quality requirement, repeatedly modifying the preset process parameters until the quality requirement is met, namely verifying whether the product molding state meets the quality requirement in advance, so that the mold repairing times are reduced, and the product setting cost is reduced; meanwhile, the forming analysis is not carried out only by technical requirements and experience, so that the analysis result is more accurate; meanwhile, the software is used for operating the method, so that the process planning is carried out on the product forming, the process debugging on the production site can be guided, and the aims of shortening the debugging period and reducing the labor cost are fulfilled.
Referring to fig. 2, fig. 2 is a flowchart of obtaining preset product parameters in the binding molding method provided in this embodiment. As shown, the method comprises the following steps:
the first obtaining substep S210 obtains product pre-design state data, product pre-flanging data and a hemming operation direction.
Specifically, product pre-design state data, product pre-flanging data and a wrapping operation direction are obtained. Taking the edge rolling as an example, referring to fig. 3, the product pre-design state data may include the outer surface geometric profile of the outer plate 1 and the outer surface geometric profile of the inner plate 2, the product pre-flanging data may include the outer surface geometric profile of the outer plate after flanging, and the edge-wrapping operation direction is the Z direction. In specific implementation, the product pre-design state data, the product pre-flanging data and the edge covering operation direction can be manually introduced into software.
The second obtaining substep S220 obtains the inner sheet material property, the thickness of the inner sheet, the outer sheet material property, and the thickness of the outer sheet.
Specifically, the material properties of the inner panel 2, the thickness of the inner panel 2, the material properties of the outer panel 1, and the thickness of the outer panel 1 are acquired. Wherein the material of the inner plate 2 should be consistent with the material used in practice.
In the embodiment, the determination of the molding parameters can be realized by acquiring the product pre-design state data, the product pre-flanging data and the edge rolling operation direction, the accurate acquisition of each parameter of the inner plate and the outer plate is realized by acquiring the material attribute of the inner plate, the thickness of the inner plate, the material attribute of the outer plate and the thickness of the outer plate, and the accuracy of the parameter of the simulation molding product is ensured, so that the accuracy of the comparison result is further improved.
Referring to fig. 4, fig. 4 is a flowchart of obtaining preset product parameters in the binding molding method provided in this embodiment. As shown, the method comprises the following steps:
a third obtaining substep S410, obtaining the hemming process type and the outer panel forming area.
Specifically, the hemming process type and which region is the intended molding region of the outer panel are obtained. The edge covering process type may be edge rolling or other, and taking edge rolling forming as an example, referring to fig. 5, the forming area 4 of the outer plate 1 is obtained, specifically including the flanging 11 and the fillet 12 of the outer plate 1.
The fourth obtaining substep S420 obtains the parameters of the tire membrane and the thickness of the rubberized layer.
In particular, with reference to fig. 3, the parameters of the carcass 5 and the thickness of the rubber-coated layer 6 between the outer panel 1 and the inner panel 2 are obtained. Wherein, the parameters of the fetal membrane 5 can include the width and the contact position of the specific contact surface of the fetal membrane 5 and the outer plate 1; the thickness of the rubber-coated layer 6 is typically 0.1 mm.
A fifth obtaining substep S430, obtaining the hemming process parameters.
Specifically, the hemming process parameters required for hemming the product are obtained.
In the embodiment, the accurate acquisition of the preset product parameters is realized by specifically acquiring the edge covering process, the molding area of the outer plate, the fetal membrane parameters, the thickness of the gluing layer and the edge covering process parameters, so that the accuracy of the parameters of the simulation molding product is ensured.
Referring to fig. 6, fig. 6 is a flowchart of obtaining preset product parameters in the binding molding method provided in this embodiment. As shown, the method comprises the following steps:
the sixth obtaining substep S610 obtains the wrapping trajectory.
Specifically, a hemming track is obtained, taking a hemming as an example, referring to fig. 7, an outer panel contour edge line 10 is taken as the hemming track, and a starting point 101 and an ending point 102 are extended to the outside correspondingly, for example, by 20mm, to form an extension line 103, so as to ensure that the hemming can be slowly close to the edge of the outer panel hem 11 when the roller 2 rolls along the roller direction a.
The seventh obtaining substep S620 obtains the number of times of hemming, the geometry of the hemming tool applied at each hemming, and the flange angle.
Specifically, the number of hemming times, the geometry of a hemming tool applied at each hemming, and the hemming angle are acquired. Referring to fig. 3, taking the edge rolling as an example, when the flanging angle is within 105 °, the number of edge rolling times is generally three, the outer plate 1 starts from the position 13 in the post-flanging state, and after edge rolling, sequentially reaches the first edge rolling position 7, the second edge rolling position 8 and the third edge rolling position 9, and the third edge rolling position 9 is the theoretical position 15 after edge rolling forming; the binding tool is a roller 3, and if the roller 3 is already in the production site, the geometric dimension of the roller 3 is consistent with that of the roller 3 in the production site.
An eighth acquisition substep S630 acquires the horizontal and vertical distances between the hemming tool and the hemming trajectory.
Specifically, a horizontal distance n and a vertical distance t between the hemming tool and the hemming track are obtained, and referring to fig. 8, a horizontal distance n and a vertical distance t between the roller 3 and the hemming track are obtained, and the two distances can be directly observed in software whether the roller 3 contacts the outer panel 1 or not, so that the roller 3 is prevented from contacting the outer panel 1 too much to cause interference. The flanging 11 of the outer plate 1 forms an outer plate 14 with a certain included angle through the edge rolling of the roller 3, in order to achieve a better edge rolling effect, referring to fig. 9, a plurality of control points 104 can be arranged at different distances of an edge rolling track, and each control point 104 can be provided with different n and t values.
In the embodiment, accurate acquisition of the edge covering process parameters is realized by acquiring the edge covering track, the edge covering times, the geometric shape of the edge covering tool applied in each edge covering, the edge turning angle, and the horizontal distance and the vertical distance between the edge covering tool and the edge covering track, and the accuracy of the parameters of the simulation forming product is further ensured.
The edge rolling forming method provided in the present embodiment will be described in detail below by taking edge rolling forming as an example:
1. obtaining product data
1.1, acquiring theoretical data of a product after the product is subjected to edge rolling forming in a preset state, and referring to fig. 3, wherein the theoretical data comprises the outer surface geometric outline of an outer plate 1 and the outer surface geometric outline of an inner plate 2; acquiring corresponding data after the outer plate is flanged, wherein the data comprises the geometric outline of the outer surface of the flanged outer plate; and defining the binding operation direction, wherein the Z direction points to the binding operation direction.
1.2, acquiring the material properties and the plate thickness of the inner plate 2 and the outer plate 1, wherein the material is consistent with the material in practical application.
2. Obtaining a welt process
2.1 referring to fig. 5, the hemming process, i.e. the hemming, is first obtained and it is obtained which area of the outer panel 1 is the intended forming area 4, which comprises the hems 11 and the rounded corners 12 of the outer panel 1.
2.2 referring again to fig. 3, a welted tire casing 5 is obtained, including the width and position of the specific contact surface of the tire casing 5 with the product.
2.3 the thickness of the rubberized layer 6 between the inner panel 2 and the outer panel 1 is obtained, the thickness of the rubberized layer 6 being generally 0.1 mm.
2.4 referring to fig. 7, a border line 10 of the outline of the outer panel is generally selected as a border track, and corresponding extensions are made at a starting point 101 and an ending point 102 to ensure that the border can slowly approach the edge of the flange 11 of the outer panel 1.
2.5, acquiring the number of times of edge rolling and the geometric shape of the roller 3 applied to each edge rolling, wherein if the roller 3 exists on a production site, the geometric size of the acquired roller 3 is consistent with that of the edge rolling site; the number of times of edge rolling is generally three when the angle of the turned edge 11 is within 105 degrees.
2.6 referring to fig. 8, acquiring a horizontal distance n and a vertical distance t between the roller 3 and the binding track, wherein the distances can be directly observed in software whether the outer plate 1 is contacted or not; referring to fig. 9, in order to achieve a better binding effect, a plurality of control points 104 may be set at different distances of the binding track, each control point 104 may set different values of n and t, but the more control points 104, the longer the final solution time, the comprehensive consideration is required to set the control points 104.
It should be noted that the above mentioned data and parameters can be obtained by manually importing the data and parameters into software, and the software automatically performs finite element meshing on the imported product data and parameters.
3. Solving for
Different solving options can be selected according to the desired result, such as part thinning rate, whether the part cracks, stress after the part is rolled and the like, and meanwhile, the number of CPUs (central processing units) participating in solving calculation by a computer can be selected, so that the solving time is controlled, and 4 threads are generally considered to participate in the solving calculation by default.
4. Analysis of results
The product simulation forming parameters and the preset product parameters can be compared and analyzed through solving, namely, referring to fig. 10, the outer plate state position 16 of the simulation edge rolling forming and the theoretical edge rolling forming state position of the outer plate are compared and analyzed, wherein the edge rolling forming defects, such as edge rolling amount L, plate thickness change, wrinkle tearing and the like, can be observed. If the comparison result does not meet the quality requirement, for example, the quality defect of cracking of the part occurs, the rolling amount L of the outer plate 1 is compared with the product design data to be out of plus or minus 0.25mm, and the surface difference change of the outer plate 1 is compared with the product design data to be out of 0.25mm, the parameters can be modified, particularly the corresponding geometric dimension of the outer plate 1 is modified, then the calculation is solved again, and the operation is repeated for many times until the product edge rolling forming meets the quality requirement.
In summary, in this embodiment, first, a product simulation forming parameter is determined according to the obtained preset product parameter and the preset process parameter, then the product simulation forming parameter is compared with the preset product parameter, and if the comparison result meets the preset requirement, it is determined that the product forming meets the quality requirement; if the comparison result does not meet the quality requirement, modifying the preset process parameters, repeating the determining step and the judging step until the product molding meets the quality requirement, and if the comparison result does not meet the quality requirement, repeatedly modifying the preset process parameters until the quality requirement is met, namely verifying whether the product molding state meets the quality requirement in advance, so that the mold repairing times are reduced, and the product setting cost is reduced; meanwhile, the forming analysis is not carried out only by technical requirements and experience, so that the analysis result is more accurate; meanwhile, the software is used for operating the method, so that the process planning is carried out on the product forming, the process debugging on the production site can be guided, and the aims of shortening the debugging period and reducing the labor cost are fulfilled.
The embodiment of the device is as follows:
referring to fig. 11, fig. 11 is a block diagram of the binding forming device according to the present embodiment. As shown, the apparatus comprises: the device comprises an acquisition module 100, a determination module 200 and a judgment module 300, wherein the acquisition module 100 is used for acquiring preset product parameters and preset process parameters, the determination module 200 is used for determining product simulation forming parameters according to the preset product parameters and the preset process parameters, the judgment module 300 is used for comparing the product simulation forming parameters with the preset product parameters, if the comparison result does not meet the preset requirements, the preset process parameters are modified, and the determination module and the judgment module are repeated until the product forming meets the quality requirements; and if the comparison result meets the preset requirement, judging that the product molding meets the quality requirement. The specific implementation process of the apparatus may refer to the description in the above method embodiments, and the description of the embodiment is omitted here for brevity.
In the embodiment, firstly, product simulation forming parameters are determined according to the acquired preset product parameters and preset process parameters, then the product simulation forming parameters are compared with the preset product parameters, and if the comparison result meets the preset requirements, the product forming is judged to meet the quality requirements; if the comparison result does not meet the quality requirement, modifying the preset process parameters, repeating the determining step and the judging step until the product molding meets the quality requirement, and if the comparison result does not meet the quality requirement, repeatedly modifying the preset process parameters until the quality requirement is met, namely verifying whether the product molding state meets the quality requirement in advance, so that the mold repairing times are reduced, and the product setting cost is reduced; meanwhile, the forming analysis is not carried out only by technical requirements and experience, so that the analysis result is more accurate; meanwhile, the software is used for operating the method, so that the process planning is carried out on the product forming, the process debugging on the production site can be guided, and the aims of shortening the debugging period and reducing the labor cost are fulfilled.
Referring to fig. 12, fig. 12 is a block diagram illustrating a configuration of the obtaining module 100 in the binding forming apparatus according to the embodiment when obtaining preset product parameters. As shown, the module may include: a first acquisition sub-module 110 and a second acquisition sub-module 120. The first obtaining submodule 110 is configured to obtain product pre-design state data, product pre-flanging 11 back data, and a hemming operation direction, and the second obtaining submodule 120 is configured to obtain a material property of the inner plate 2, a thickness of the inner plate 2, a material property of the outer plate 1, and a thickness of the outer plate 1. The specific implementation process of the module may refer to the description in the above method embodiments, and this embodiment is not described herein again.
In the embodiment, the determination of the molding parameters can be realized by acquiring the product pre-design state data, the product pre-flanging data and the edge rolling operation direction, the accurate acquisition of each parameter of the inner plate and the outer plate is realized by acquiring the material attribute of the inner plate, the thickness of the inner plate, the material attribute of the outer plate and the thickness of the outer plate, and the accuracy of the parameter of the simulation molding product is ensured, so that the accuracy of the comparison result is further improved.
Referring to fig. 13, fig. 13 is a structural block diagram of the obtaining module 100 in the binding molding apparatus according to the embodiment when obtaining the preset process parameters. As shown, the module may include: a third acquisition submodule 130, a fourth acquisition submodule 140 and a fifth acquisition submodule 150. The third obtaining submodule 130 is used for obtaining the edge covering process type and the forming area 4 of the outer plate 1, the fourth obtaining submodule 140 is used for obtaining the parameters of the fetal membrane 5 and the thickness of the gluing layer 6, and the fifth obtaining submodule 150 is used for obtaining the edge covering process parameters. The specific implementation process of the module may refer to the description in the above method embodiments, and this embodiment is not described herein again.
In the embodiment, the accurate acquisition of the preset product parameters is realized by specifically acquiring the edge covering process, the molding area of the outer plate, the fetal membrane parameters, the thickness of the gluing layer and the edge covering process parameters, so that the accuracy of the parameters of the simulation molding product is ensured.
Referring to fig. 14, fig. 14 is a structural block diagram of a fifth obtaining sub-module 150 in the border forming apparatus provided in this embodiment. As shown, the module may include: a sixth acquisition submodule 151, a seventh acquisition submodule 152 and an eighth acquisition submodule 153. The sixth obtaining submodule 151 is configured to obtain a wrapping track, the seventh obtaining submodule 152 is configured to obtain wrapping times, a geometric shape of the roller 3 applied in each wrapping, and an angle of the flange 11, and the eighth obtaining submodule 153 is configured to obtain a horizontal distance and a vertical distance between the roller 3 and the wrapping track. The specific implementation process of the module may refer to the description in the above method embodiments, and this embodiment is not described herein again.
In the embodiment, accurate acquisition of the edge covering process parameters is realized by acquiring the edge covering track, the edge covering times, the geometric shape of the edge covering tool applied in each edge covering, the edge turning angle, and the horizontal distance and the vertical distance between the edge covering tool and the edge covering track, and the accuracy of the parameters of the simulation forming product is further ensured.
In summary, in this embodiment, first, a product simulation forming parameter is determined according to the obtained preset product parameter and the preset process parameter, then the product simulation forming parameter is compared with the preset product parameter, and if the comparison result meets the preset requirement, it is determined that the product forming meets the quality requirement; if the comparison result does not meet the quality requirement, modifying the preset process parameters, repeating the determining step and the judging step until the product molding meets the quality requirement, and if the comparison result does not meet the quality requirement, repeatedly modifying the preset process parameters until the quality requirement is met, namely verifying whether the product molding state meets the quality requirement in advance, so that the mold repairing times are reduced, and the product setting cost is reduced; meanwhile, the forming analysis is not carried out only by technical requirements and experience, so that the analysis result is more accurate; meanwhile, the software is used for operating the method, so that the process planning is carried out on the product forming, the process debugging on the production site can be guided, and the aims of shortening the debugging period and reducing the labor cost are fulfilled.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. The edge covering forming method is characterized by comprising the following steps:
acquiring preset product parameters and preset process parameters, wherein the acquired preset product parameters comprise the outer surface geometric outline of an outer plate, the outer surface geometric outline of an inner plate, the geometric outline of the outer surface of the outer plate after flanging, the edge covering operation direction, the material property and thickness of the inner plate and the material property and thickness of the outer plate;
determining, namely determining product simulation forming parameters according to the preset product parameters and the preset process parameters, wherein the product simulation forming parameters comprise: cracking quality defects, outer plate edge rolling amount, plate thickness variation, fold tearing and outer plate surface difference variation;
a judging step, comparing the product simulation forming parameters with the preset product parameters, if the comparison result does not meet the preset requirements, modifying the preset process parameters, and repeating the determining step and the judging step until the product forming meets the quality requirements;
wherein, the acquiring of the preset process parameters comprises:
a third obtaining substep, obtaining the edge covering process type and the outer plate forming area;
a fourth obtaining substep, obtaining the parameters of the fetal membrane and the thickness of the gluing layer;
a fifth obtaining substep, obtaining the edge covering technological parameters;
the fifth obtaining substep comprises:
a sixth obtaining substep, obtaining a wrapping track;
a seventh obtaining substep, obtaining the wrapping times, the geometric shape of the roller and the flanging angle applied in each wrapping;
and an eighth obtaining substep of obtaining a horizontal distance and a vertical distance between the roller and the wrapping track.
2. A hemming molding method according to claim 1, wherein the determining step further includes
The method comprises the following steps:
and if the comparison result meets the preset requirement, judging that the product molding meets the quality requirement.
3. An edge covering forming device is characterized by comprising:
the acquisition module is used for acquiring preset product parameters and preset process parameters, and comprises the following steps of: the first acquisition submodule is used for acquiring product pre-design state data, product pre-flanging data and a hemming operation direction; the second acquisition submodule is used for acquiring the attribute of the inner plate material, the thickness of the inner plate, the attribute of the outer plate material and the thickness of the outer plate;
the determining module is used for determining product simulation forming parameters according to the preset product parameters and the preset process parameters, wherein the product simulation forming parameters comprise: cracking quality defects, outer plate edge rolling amount, plate thickness variation, fold tearing and outer plate surface difference variation;
the judging module is used for comparing the product simulation forming parameters with the preset product parameters, modifying the preset process parameters if the comparison result does not meet the preset requirement, and repeating the determining module and the judging module until the product forming meets the quality requirement;
wherein, the obtaining module further comprises, when obtaining the preset process parameter:
the third acquisition submodule is used for acquiring the edge covering process type and the outer plate forming area;
the fourth acquisition submodule is used for acquiring the parameters of the fetal membrane and the thickness of the gluing layer;
a fifth obtaining submodule, configured to obtain edge covering process parameters;
the fifth obtaining sub-module includes:
a sixth obtaining submodule, configured to obtain a wrapping track;
the seventh acquisition sub-module is used for acquiring the edge covering times, the geometric shape of the roller applied in each edge covering and the flanging angle;
and the eighth acquisition submodule is used for acquiring the horizontal distance and the vertical distance between the roller and the wrapping track.
4. The hemming molding apparatus according to claim 3, wherein the determination module is further configured to:
and if the comparison result meets the preset requirement, judging that the product molding meets the quality requirement.
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