CN113275664B - Panel processing method - Google Patents
Panel processing method Download PDFInfo
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- CN113275664B CN113275664B CN202110586485.7A CN202110586485A CN113275664B CN 113275664 B CN113275664 B CN 113275664B CN 202110586485 A CN202110586485 A CN 202110586485A CN 113275664 B CN113275664 B CN 113275664B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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Abstract
The invention relates to the technical field of ships and particularly discloses a panel processing method which comprises the steps of providing a panel model, and positioning an inner contour line with a hole shape on the surface of the panel model; a plurality of dividing lines are transmitted to the inner contour line by the geometric center of the shape of the opening, and the dividing lines are abutted with the inner contour line; projecting the dividing line on the surface of the panel model; unfolding the panel model to form a panel flat plate; providing a processing plate, and projecting the dividing line on the panel flat plate and the outer contour line of the panel flat plate on the processing plate; sequentially connecting end points of the dividing line far away from the geometric center to form a cutting line; the work sheet is cut along the cut lines and the outer contour lines. According to the panel processing method, subsequent manual cutting and polishing are not needed, the processing efficiency and the processing precision are improved, the plate with the cut hole shape can be continuously used, and material waste is avoided.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a panel processing method.
Background
In the upper region of the main deck of the hull, for example, near the side of the stern, there are typically several large openings for the entry and exit of the ship mooring equipment. Since the surface of the side part has a certain curvature and is not in a straight shape, the panel where the huge opening is located is generally constructed in sections in order to reduce the processing cost and facilitate transportation.
However, because the construction of the segment is only suitable for processing a straight panel, the positioning and cutting of the edge of the irregular curved surface of the huge opening are difficult, the shape of the opening is usually scribed and cut by field workers according to a scribing diagram, and the cutting and polishing can be completed for many times, so that the material is wasted to a certain extent, the processing efficiency is reduced, and the defect of low processing precision also exists.
Disclosure of Invention
The embodiment of the invention aims to provide a panel processing method which is high in processing efficiency and processing precision and capable of avoiding material waste.
To achieve the purpose, the embodiment of the invention adopts the following technical scheme:
provided is a panel processing method including:
providing a panel model, and positioning an inner contour line in an opening shape on the surface of the panel model;
emitting a plurality of split lines to the inner contour at a geometric center of the aperture shape, the split lines abutting the inner contour;
projecting the dividing line on the surface of the panel model;
unfolding the panel model to form a panel flat plate;
providing a processing plate, and projecting the dividing line on the panel flat plate and the outer contour line of the panel flat plate on the processing plate;
sequentially connecting the end points of the dividing line far away from the geometric center to form a cutting line;
cutting the work sheet along the cutting line and the outer contour line.
As a preferable aspect of the panel processing method, after the forming of the cutting line, the method further includes:
providing at least one segmentation line in a transverse direction or a vertical direction of the panel flat, the segmentation line being provided within the aperture shape;
cutting the work plate along the segment line.
As a preferable mode of the panel processing method, the inner contour line is flush with the edge of the panel model.
As a preferable aspect of the panel processing method, the method further includes:
the panel flat plate is cut to form panel sections, and metal plate bending is carried out on each panel section, so that the surface of each panel section forms a curved surface.
As a preferable aspect of the panel processing method, the method further includes:
and aligning and splicing the adjacent panel segments to form the panel model.
In a preferred embodiment of the panel processing method, the inner contour line includes a plurality of curved lines and straight lines, and the dividing line abuts against the curved lines.
As a preferable aspect of the panel processing method, the density of the dividing line is directly correlated with the curvature of the curve.
As a preferable mode of the panel processing method, the cutting line between each of the dividing lines is smooth.
As a preferable mode of the panel processing method, after the dividing line on the panel flat plate and the outer contour line of the panel flat plate are projected on the processed plate, the panel processing method further includes:
providing a part, and projecting a contour machining line of the part in the opening shape of the machining plate;
cutting the work sheet along the work line.
As a preferable mode of the panel processing method, before the step of cutting the processed panel along the cutting line and the outer contour line, the method further includes:
offsetting the outer contour line an equal distance in a direction away from the aperture shape to increase the area of the panel plate.
The embodiment of the invention has the following beneficial effects:
the inner contour line of the opening shape is positioned on the surface of the panel model, the position of the opening shape is determined, a plurality of partition lines are transmitted to the inner contour line by the geometric center of the opening shape, the partition lines abut against the inner contour line, and the intersection point of the partition lines and the inner contour line is obtained. After the dividing line is projected on the surface of the panel model, the panel model is unfolded to form a panel flat plate, and the dividing line and the outer contour line can be distributed on the panel flat plate along with the unfolding of the panel model. And providing a processing plate, projecting the dividing line on the panel flat plate and the outer contour line of the panel flat plate on the processing plate, then sequentially connecting the end points of the dividing line far away from the geometric center to form a cutting line corresponding to the unfolded open hole shape, cutting the processing plate along the cutting line and the outer contour line at the moment, and cutting the unfolded open hole shape and the panel flat plate. Therefore, the panel processing method provided by the embodiment of the invention can cut the shape of the opening when the panel flat plate is cut, the shape of the opening accords with the deformation after the panel flat plate is unfolded, subsequent manual multiple cutting and polishing are not needed, the processing efficiency and the processing precision are improved, and the plate with the cut opening shape can be continuously used, so that the waste of materials is avoided.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a flowchart of a panel processing method according to an embodiment of the present invention.
Fig. 2 is a flowchart of a panel processing method according to another embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a panel model according to an embodiment of the present invention.
Fig. 4 is a plan view of a top panel plate of a processing plate according to an embodiment of the present invention.
Fig. 5 is a diagram of a cutting track of a panel segment on a processing board according to an embodiment of the present invention.
Fig. 6 is a schematic front view of a panel segment according to an embodiment of the present invention.
In the figure:
1. a panel model; 11. a panel plate; 12. panel segmentation; 13. an outer contour line; 2. opening a hole; 21. an inner contour line; 3. dividing the line; 4. processing the plate; 5. cutting a line; 6. segmenting the line; 7. and (4) parts.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, an embodiment of the present invention provides a panel processing method, including:
s101, providing a panel model 1, and positioning an inner contour line 21 in the shape of an opening 2 on the surface of the panel model 1;
s102, emitting a plurality of dividing lines 3 to the inner contour line 21 by using the geometric center of the shape of the opening 2, wherein the dividing lines 3 are abutted against the inner contour line 21;
s103, projecting the dividing line 3 on the surface of the panel model 1;
s104, unfolding the panel model 1 to form a panel flat plate 11;
s105, providing a processing plate 4, and projecting the dividing line 3 on the panel flat plate 11 and the outer contour line 13 of the panel flat plate 11 on the processing plate 4;
s106, sequentially connecting end points of the dividing line 3, which are far away from the geometric center, to form a cutting line 5;
and S107, cutting the processed plate 4 along the cutting line 5 and the outer contour line 13.
Referring to fig. 3 and 4, the embodiment of the present invention locates the shape of the opening 2 by locating the inner contour line 21 of the shape of the opening 2 to the surface of the panel model 1, and then transmits a plurality of dividing lines 3 to the inner contour line 21 at the geometric center of the shape of the opening 2, the dividing lines 3 abutting against the inner contour line 21, resulting in the intersection of the dividing lines 3 and the inner contour line 21. After the dividing line 3 is projected on the surface of the panel model 1, the panel model 1 is unfolded to form the panel plate 11, and the dividing line 3 and the outer contour line 13 can be distributed on the panel plate 11 following the unfolding of the panel model 1. Providing a processing plate 4, projecting the dividing line 3 on the panel flat plate 11 and the outer contour line 13 of the panel flat plate 11 on the processing plate 4, then sequentially connecting the end points of the dividing line 3 away from the geometric center to form a cutting line 5 corresponding to the shape of the developed open hole 2, and cutting the processing plate 4 along the cutting line 5 and the outer contour line 13 at this time, so that the shape of the developed open hole 2 and the panel flat plate 11 can be cut. Therefore, the panel processing method provided by the embodiment of the invention can be used for cutting the shape of the opening 2 when the panel flat plate 11 is cut, the shape of the opening 2 conforms to the deformation after the opening, subsequent manual multiple cutting and polishing are not needed, the processing efficiency and the processing precision are improved, and the plate with the shape of the opening 2 cut off can be continuously used, so that the material waste is avoided.
In one embodiment, referring to fig. 2 and 5, after forming the cutting lines 5, the panel processing method of the embodiment of the present invention further includes:
set up one at least and divide segment line 6 at panel flat plate 11's horizontal direction or vertical direction, divide segment line 6 to set up in 2 shapes of trompil, along dividing segment line 6 cutting process plate 4, can cut apart panel flat plate 11 and process the while, also can cut apart trompil 2 for panel flat plate 11 after cutting apart can process alone, reduces the processing degree of difficulty.
Preferably, referring to fig. 2 and 4, in the panel processing method according to the embodiment of the present invention, the inner contour 21 is flush with the edge of the panel model 1, and the edge of the shape of the opening 2 is aligned with the edge of the panel model 1, so that the process of cutting the shape of the opening 2 can be reduced, and the processing efficiency can be further improved.
Still preferably, with reference to fig. 2, after the panel flat plate 11 is cut to form the panel segment 12, the panel processing method according to the embodiment of the present invention further includes:
the sheet metal bending is performed on each panel segment 12 so that the surface of the panel segment 12 forms the same curved surface as the surface of the panel model 1, and the panel model 1 before being developed can be restored.
More preferably, with continued reference to fig. 2, the panel processing method of the embodiment of the present invention further includes:
In this embodiment, the splicing of the panel segments 12 may be any one of welding, bonding, and clamping, and this embodiment is not limited in particular.
In another embodiment, referring to fig. 3 and 5, the inner contour 21 in the shape of the aperture 2 comprises a plurality of curved lines and straight lines, the dividing line 3 abutting on the curved lines. Because two points can determine a straight line, only the abutting parting line 3 needs to be arranged on the curve, the shape of the deformed open hole 2 can be simulated, the parting line 3 is prevented from being arranged on the straight line, the operation of connecting the end points of the parting line 3 can be reduced, and the processing efficiency of the panel can also be improved.
Further, the density of the dividing line 3 is positively correlated with the curvature of the curve, and when the curvature of the curve is higher, the density of the dividing line 3 is increased, so that the degree of deviation between the cutting line 5 and the shape of the developed open hole 2 can be reduced, and the processing accuracy of the panel processing method according to the embodiment of the present invention can be further improved.
Optionally, the cutting lines 5 between each dividing line 3 are smooth, so that the shape of the opening 2 can be further restored on one hand, and the stress concentration between each cutting line 5 can be reduced on the other hand, thereby protecting the structural strength of the cut opening 2.
Specifically, referring to fig. 2 and 5, after the dividing line 3 on the panel flat plate 11 and the outer contour line 13 of the panel flat plate 11 are projected on the processing plate 4, the panel processing method according to the embodiment of the present invention further includes:
a part 7 is provided, a contour machining line of the part 7 is projected in the shape of the opening 2 of the machining plate 4, and the machining plate 4 is cut along the machining line. The panel flat plate 11 can be processed, meanwhile, the parts 7 can be processed, the utilization rate of the processing plate 4 is improved, and the processing efficiency of the panel processing method of the embodiment of the invention is also improved.
In addition, referring to fig. 2 and 6, before cutting the processed board 4 along the cut line 5 and the outer contour line 13, the panel processing method of the embodiment of the present invention further includes:
offsetting the outer contour line 13 by the same amount in a direction away from the shape of the opening 2 increases the area of the panel plate 11 while maintaining the machining margin, and avoids the need to re-cut the panel plate 11 due to excessive machining.
Referring to fig. 2, an embodiment of the present invention further provides another panel processing method, including:
s201, providing a panel model 1, positioning an inner contour line 21 in the shape of an opening 2 on the surface of the panel model 1, wherein the inner contour line 21 is flush with the edge of the panel model 1;
s202, emitting a plurality of dividing lines 3 to the inner contour 21 by using the geometric center of the shape of the opening 2, wherein the dividing lines 3 are abutted against the inner contour 21, the inner contour 21 comprises a plurality of sections of curves and straight lines, the dividing lines 3 are abutted against the curves, and the density of the dividing lines 3 is positively correlated with the curvature of the curves;
s203, projecting the dividing line 3 on the surface of the panel model 1;
s204, unfolding the panel model 1 to form a panel flat plate 11;
s205, providing a processing plate 4, and projecting the dividing line 3 on the panel flat plate 11 and the outer contour line 13 of the panel flat plate 11 on the processing plate 4;
s206, providing a part 7, and projecting the contour machining line of the part 7 in the shape of the opening 2 of the machining plate 4;
s207, sequentially connecting end points of the dividing lines 3 far away from the geometric center to form cutting lines 5, wherein the cutting lines 5 between the dividing lines 3 are smooth;
s208, at least one segmentation line 6 is arranged in the transverse direction or the vertical direction of the panel flat plate 11, and the segmentation line 6 is arranged in the shape of the opening 2;
s209, shifting the outer contour line 13 by an equal distance along the direction departing from the shape of the open pore 2;
s210, cutting the processed plate 4 along the cutting line 5, the outer contour line 13 and the segmentation line 6;
s211, forming panel sections 12 after cutting the panel flat plate 11, and performing sheet metal bending on each panel section 12 to enable the surface of each panel section 12 to form a curved surface;
and S212, aligning and splicing the adjacent panel segments 12 to form the panel model 1.
The panel processing method in this embodiment may have the same steps and achieve the same effects as the panel processing method in the above embodiment, and details are not described in this embodiment.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or a positional relationship based on the orientation shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and "third" are used merely for descriptive purposes and are not intended to be limiting.
In the description herein, references to "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be understood by those skilled in the art that the specification as a whole and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The technical principles of the present invention have been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A panel processing method, comprising:
providing a panel model, and positioning an inner contour line in an opening shape on the surface of the panel model;
emitting a plurality of dividing lines to the inner contour line at the geometric center of the opening shape, the dividing lines abutting the inner contour line, the inner contour line including a plurality of curved lines and straight lines, the dividing lines abutting on the curved lines, the density of the dividing lines having a positive correlation with the curvature of the curved lines;
projecting the dividing line on the surface of the panel model;
unfolding the panel model to form a panel flat plate;
providing a processing plate, and projecting the dividing line on the panel flat plate and the outer contour line of the panel flat plate on the processing plate;
sequentially connecting the end points of the dividing line far away from the geometric center to form a cutting line;
cutting the work sheet along the cut line and the outer contour line.
2. The panel processing method according to claim 1, further comprising, after the forming of the cutting line:
providing at least one segmentation line in a transverse direction or a vertical direction of the panel flat, the segmentation line being provided within the aperture shape;
cutting the work plate along the segment line.
3. A panel processing method according to claim 2, wherein said inner contour is flush with the edge of said panel model.
4. The panel processing method according to claim 2, further comprising:
the panel flat plate is cut to form panel sections, and metal plate bending is carried out on each panel section, so that the surfaces of the panel sections form curved surfaces.
5. The panel processing method according to claim 4, further comprising:
and aligning and splicing the adjacent panel segments to form the panel model.
6. A panel processing method according to claim 1, wherein the cutting lines between each of the dividing lines are smooth.
7. The panel processing method according to claim 1, wherein after the projecting the dividing line of the panel flat plate and the outer contour line of the panel flat plate on the processed plate, further comprising:
providing a part, and projecting a contour machining line of the part in the opening shape of the machining plate;
cutting the work sheet along the work line.
8. The panel processing method according to claim 1, wherein before the step of cutting the processed board along the cutting line and the outer contour line, the method further comprises:
offsetting the outer contour line an equal distance in a direction away from the aperture shape to increase the area of the panel plate.
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| CN202110586485.7A CN113275664B (en) | 2021-05-27 | 2021-05-27 | Panel processing method |
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| CN113928495B (en) * | 2021-10-22 | 2023-01-06 | 上海外高桥造船有限公司 | Treat trompil structure |
| CN114850807B (en) * | 2022-06-17 | 2024-03-26 | 中船黄埔文冲船舶有限公司 | Hole opening method for curved plate |
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