CN114368072B - Processing method of arc door opening of arc wall surface in stone industry - Google Patents
Processing method of arc door opening of arc wall surface in stone industry Download PDFInfo
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- CN114368072B CN114368072B CN202111427600.2A CN202111427600A CN114368072B CN 114368072 B CN114368072 B CN 114368072B CN 202111427600 A CN202111427600 A CN 202111427600A CN 114368072 B CN114368072 B CN 114368072B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
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Abstract
The invention discloses a processing method of an arc door opening of an arc wall surface in stone industry, which comprises the following steps: the door opening dimension line is projected onto the cambered surface by a parallel projection technology and then is converted into a 2D plan; line segment zoning is carried out on the zone enclosed by the unfolded door opening projection line and the datum line, each zone is numbered, and the zones are printed according to the proportion by using specification paper; all areas are printed out according to the proportion by a laser printer; each printed sheet is cut according to the number and each area is cut according to the partition line; respectively pasting the spliced images on the circular arc plates of the real objects by comparing the split images of the numbering positions of the subareas; performing excavation cutting along the 3D curve to obtain a door opening profile on the arc plate; trial assembly, inspection, packaging and warehousing. The invention develops a simple processing method of the arc door opening of the arc wall surface in the stone industry, which can accurately process the arc door opening for villas, hotels, meetings and other projects, provides technical basis and has extremely good popularization value.
Description
Technical Field
The invention belongs to the technical field of processing of arc-shaped wall surface arc-shaped door openings, and particularly relates to a processing method of an arc-shaped wall surface arc-shaped door opening in the stone industry.
Background
In the stone industry, the processing difficulty is greater is special-shaped processing. Among the many types of profile processing, nested three-dimensional profile processing is the most difficult.
In the process of stone production, the arc door opening of the arc wall surface of villa, hotel, meeting and other projects is often processed, and at this time, the master workers as stone production and processing often have no way to process the arc door opening accurately, so that a simple processing method of the arc wall surface of the arc door opening of the stone industry is developed, and the novel research direction is achieved.
Disclosure of Invention
The invention provides a processing method of an arc door opening of an arc wall surface in the stone industry, which aims to solve the practical problem that the nested three-dimensional special-shaped door opening is difficult to process in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a processing method of an arc door opening of an arc wall surface in stone industry comprises the following steps:
(1) Projecting the door opening dimension line onto the cambered surface by a parallel projection technology, unfolding and flattening the elevation view along the arc length direction of the cambered plate, converting the elevation view into a 2D plan view, and analyzing the door opening line to obtain the change relation that the width and the height of the door opening line are unfolded along with the cambered surface into a plane along with the unfolding of the cambered surface;
(2) The door opening line is projected on a plane in parallel, the width and the height of the door opening are unchanged, and if the door opening line is projected on the cambered surface in parallel, the width and the height of the chord length of the door opening, which are intercepted on the cambered surface in the width direction of the door opening, are identical to the width and the height of the door opening;
(3) After the door opening line is projected to the vertical face of the arc wall in parallel, the vertical face image is unfolded and flattened along the arc length direction of the arc plate, and is converted into a 2D plan view, then the width direction of the projected line is changed along with the unfolding and flattening of the arc plate, but the height direction of the projected line is unchanged; after the cambered surface is unfolded and flattened, the widths of the upper ends of the projection lines are still connected by circular arcs, the lengths of the associated central lines of the two sections of circular arcs are unchanged, the heights of the arcs are unchanged, the central points of the circular arcs are unchanged, and the arcs are changed along with the change of the widths;
(4) After the door opening line is projected to the vertical face of the arc wall in parallel, the vertical face image is unfolded and flattened along the arc length direction of the arc plate, and is converted into a 2D plan, and the arcs at the upper ends of the two projection lines are connected, so that the arc height is ensured to be unchanged, and the arc is converted into an ellipse;
(5) Setting a datum line on a drawing, dividing the unfolded door opening projection line and the area closed by the datum line into line segments, numbering each divided area, and printing the divided areas according to a certain specification of paper in proportion to obtain the closed line around the divided areas in a complete printing mode;
(6) Printing according to the number, printing all the areas in proportion by a laser printer, and enabling the printed areas to see the complete closed line around each sub-area;
(7) Cutting the line, namely cutting each printed sheet according to the number, cutting each area according to the partition line, and reserving the door opening line;
(8) Sticking: comparing the split joint diagrams of the partition number positions, respectively performing pasting on the real object arc plates, and respectively obtaining a curve of the excavation door opening on each real object arc plate after pasting;
(9) The door opening outline on the arc plate can be obtained by manually cutting along the 3D curve;
(10) Trial assembly, inspection, packaging and warehousing: and after finishing the door opening, performing post-repair working procedure treatment of trial assembly, inspection and appearance quality defect on the whole arc wall surface with the door opening, and finally packaging and warehousing.
Further, in the step (2), the width of the door opening is 1404mm.
Further, the chord length of the door opening line projected onto the cambered surface in the step (2) is 1404mm.
Further, the length of the center line in step (3), i.e., the height of the door opening, is 2710mm.
Further, in the step (3), the bow height is 702mm.
Further, the paper with certain specification in the step (5) is paper A4 or A3.
Further, printing in the step (5) according to the ratio of 1:1.
Further, in the step (6), all areas are printed out by a laser printer according to the ratio of 1:1.
Further, the specification of the real circular arc plate in the step (8) is L outer 841mm×R outer 1380mm×H and 800mm×delta 20mm.
Further, the number of the real object arc plates is 4.
By the technical scheme of the invention, the following technical effects can be realized:
the invention develops a simple processing method of the arc door opening of the arc wall surface in the stone industry, which can accurately process the arc door opening for villas, hotels, meetings and other projects, provides technical basis, effectively solves the practical difficult problem of nested three-dimensional special-shaped processing, and has extremely good popularization value.
Drawings
FIG. 1 is a plan view of an arcuate wall of a cottage;
FIG. 2 is an elevation view of the aisle D-3;
FIG. 3 is an expanded view of the aisle D-3;
FIG. 4 is an expanded view of 4 door opening lines to be excavated;
FIG. 5 is a complete closed line diagram of the perimeter of the area;
fig. 6 is a view of a reserved door opening line cut out by a partition line (line pressing by a zone closing line).
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The arc door opening is a building decoration construction method that the vertical face of the door opening is an arc wall, the wall surface takes an arc plate with arc visible light as a decoration surface, a door opening is required to be excavated on the wall surface, and the arc plate with inner arc visible light is taken as the decoration surface right above (at the top end of) the door opening. As shown in fig. 1 below.
Fig. 1 is a plan view of a portion of a cottage. The periphery of the hall is an arc wall, and the D-3 vertical face of the upper graph is an arc plate with outer arc light as a decorative face. It is now required that an arc door opening is excavated on the arc panel decorative surface of D-3, and the upper top end of the arc door opening is also the inner arc visible arc panel as the decorative surface.
As shown in the elevation view of FIG. 2, it is required to excavate a door opening with an arc shape of "1404 mm wide by 2710mm high" on the D-3 elevation (decorative face). As can be seen from the elevation view of FIG. 2, after the door opening is excavated, the decorative surface of the D-3 elevation is an arc wall formed by splicing 8 total arc plates, namely, L outer 841mm x R outer 1380mm x H high 800mm x delta 20mm = 2 (special-shaped arc plates, the numbers of which are D-51, D-55 and D-55), L outer 841mm x R outer 1380mm x delta 20mm = 2 (special-shaped arc plates, the numbers of which are D-50, D-54 and 118mm x R outer 1380mm x H high 800mm x delta 20mm = 4 (small arc plates, the numbers of which are D-48, D-49, D-52 and D-53). Description: in the stone industry, the chord length of the circular arc plate is generally denoted by 'L', and the outer chord length is denoted by 'L outer'; "R" means the radius of the arc plate and "Routside" means the outer radius; "H" represents the height of the circular arc plate; "δ" represents the thickness or thinnest thickness of the circular arc plate; the top end of the arc door opening can be seen from the figure, the arc door opening is excavated (processed) into a semicircle with the diameter of 702mm in R, that is to say, the processed arc door opening top end adopts an arc plate with the diameter of 702mm in R, and the arc door opening top end is spliced into an inner semicircle serving as a decorative surface. Directly below fig. 2 is a corresponding top view, i.e. what we refer to as a plan view.
The processing difficulty of the technology is as follows: the method is the so-called three-dimensional nested machining, and the cambered surface is machined on the cambered surface. Namely, the 8 circular arc plates are processed (namely, 8 circular arc plates with the numbers of D passing-48 to D passing-52 are processed).
Wherein the small arc plate is numbered: the D-48, D-49, D-52 and D-53 can be processed by adopting a common arc processing technology. Namely: selecting materials, cutting materials, digging an arc plate by a rope saw, coarse grinding, grinding and polishing (water grinding), cutting angles, repairing ends (repairing heights), numbering and trial assembly.
The rest 4 circular arc plates are processed into the following steps: the L outer 841mm x R outer 1380mm x H high 800mm x delta 20mm = 4 pieces, and the door opening excavation processing (namely 4 pieces of arc plates with the numbers of D over-50, D over-51, D over-54 and D over-55) are required to excavate the door opening. The original numbers D through-50 and D through-54 can be processed into small arc plates smaller than the L outer 841mm, then the door opening is excavated, and the method for processing the arc door opening is specifically described below.
After the door opening dimension line is projected onto the cambered surface (the door opening line shown in fig. 2) by a parallel projection technology, the vertical plane of fig. 2 is unfolded and flattened along the arc length direction of the arc plate, the vertical plane is converted into a 2D plan, then the door opening line is analyzed, the change relation that the width and the height of the door opening line are unfolded along the cambered surface into planes along with the arc surface after the door opening line is unfolded is obtained, and finally the door opening is excavated by utilizing the unfolded door opening line.
The vertical width and height of the object after parallel projection are unchanged in the method. In fig. 2, the door opening line is projected in parallel to a plane, and the width and the height of the door opening are unchanged; if projected in parallel onto the arc surface, the chord length BD line segment=1404 mm and the height hf=2710 mm of the door opening width direction taken on the arc surface are the same as the door opening width and height (same length), that is, as shown in the elevation view of fig. 2.
After the door opening line is projected to the vertical face of the arc wall shown in fig. 2 in parallel, the vertical face of fig. 2 is unfolded and flattened along the arc length direction of the arc plate, and is converted into a 2D plan, then the width direction of the projection line is changed along with the unfolding and flattening of the arc plate, but the height direction of the projection line is unchanged; and 2 straight vertical projection lines are still connected with each other by an arc after the cambered surfaces are unfolded and flattened. That is, the projection line is changed in height, the upper end arc is changed from fig. 2 MHN to fig. 3 PKQ as the width MN (i.e., chord length bd=1404 mm) is changed to PQ of fig. 3 (i.e., bcd=1473 mm). The two circular arcs are associated with constant center line length (HF=KI=2710mm→HG=KJ=702 mm), constant arch height of the arc, constant center point of the arc (G point=J point), and the arc changes along with the change of the width. In the definition of an ellipse, the center point is unchanged, one half-axis is unchanged, and the arc changes with the change of the length of the other half-axis.
From this follows: after the door opening line is projected to the arc wall elevation shown in fig. 2 in parallel, the elevation of fig. 2 is unfolded and flattened along the arc length direction of the arc plate, and after the elevation is converted into a 2D plan, the arcs at the upper ends of the two projection lines are connected, so that the arc height is ensured to be unchanged, and the arc wall elevation is converted into an ellipse. As shown in fig. 3.
After the arc wall is unfolded and flattened along the arc length direction, an unfolded view of 4 door opening lines to be excavated is shown in fig. 4.
Setting up a datum line on a drawing, dividing the unfolded door opening projection line and the area enclosed by the datum line into line segments, numbering each divided area, and requiring the divided areas to print by using the paper 1:1 of A4 or A3 and obtaining the enclosed line around the divided areas in a complete printing way, as shown in fig. 5. This is the closed line around the area numbered 21 is printed in a 1:1 ratio.
All areas are printed according to the number, the ratio of the laser printer 1 to 1 is that the printed areas are required to be seen, and the complete closed line of the periphery of each sub-area is required to be seen, as shown in fig. 5.
And (3) line pressing and cutting, namely cutting each printed sheet according to the number, each area according to the partition line (line pressing is carried out on the area closing line), and reserving the door opening line, as shown in fig. 6.
Sticking: and (3) comparing the split joint diagrams of the partition number positions shown in fig. 4, and respectively carrying out pasting on the circular arc plates with the heights of 1380mm x H, 800mm x delta 20 mm=4 outside the physical L, wherein after pasting, a curve of an excavation door opening is obtained on each physical circular arc plate. This process is actually a process of converting a 2D plane into a 3D arc surface with the assistance of a physical arc plate.
Finally, the door opening outline on the 4 arc plates can be obtained by excavating and cutting along the 3D curve in a manual processing mode.
Trial assembly, inspection, packaging and warehousing: after finishing the door opening, performing post-process treatment such as trial assembly, inspection, repair of appearance quality defects and the like on the whole arc-shaped wall surface with the door opening, and finally packaging and warehousing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The processing method of the arc door opening of the arc wall surface in the stone industry is characterized by comprising the following steps of:
(1) Projecting the door opening dimension line onto the cambered surface by a parallel projection technology, unfolding and flattening the elevation view along the arc length direction of the cambered plate, converting the elevation view into a 2D plan view, and analyzing the door opening line to obtain the change relation that the width and the height of the door opening line are unfolded along with the cambered surface into a plane along with the unfolding of the cambered surface;
(2) The door opening line is projected on a plane in parallel, the width and the height of the door opening are unchanged, and if the door opening line is projected on the cambered surface in parallel, the width and the height of the chord length of the door opening, which are intercepted on the cambered surface in the width direction of the door opening, are identical to the width and the height of the door opening;
(3) After the door opening line is projected to the vertical face of the arc wall in parallel, the vertical face image is unfolded and flattened along the arc length direction of the arc plate, and is converted into a 2D plan view, then the width direction of the projected line is changed along with the unfolding and flattening of the arc plate, but the height direction of the projected line is unchanged; after the cambered surface is unfolded and flattened, the widths of the upper ends of the projection lines are still connected by circular arcs, the lengths of the associated central lines of the two sections of circular arcs are unchanged, the heights of the arcs are unchanged, the central points of the circular arcs are unchanged, and the arcs are changed along with the change of the widths;
(4) After the door opening line is projected to the vertical face of the arc wall in parallel, the vertical face image is unfolded and flattened along the arc length direction of the arc plate, and is converted into a 2D plan, and the arcs at the upper ends of the two projection lines are connected, so that the arc height is ensured to be unchanged, and the arc is converted into an ellipse;
(5) Setting a datum line on a drawing, dividing the unfolded door opening projection line and the area closed by the datum line into line segments, numbering each divided area, and printing the divided areas according to a certain specification of paper in proportion to obtain the closed line around the divided areas in a complete printing mode;
(6) Printing according to the number, printing all the areas in proportion by a laser printer, and enabling the printed areas to see the complete closed line around each sub-area;
(7) Cutting the line, namely cutting each printed sheet according to the number, cutting each area according to the partition line, and reserving the door opening line;
(8) Sticking: comparing the split joint diagrams of the partition number positions, respectively performing pasting on the real object arc plates, and respectively obtaining a curve of the excavation door opening on each real object arc plate after pasting;
(9) The door opening outline on the arc plate can be obtained by manually cutting along the 3D curve;
(10) Trial assembly, inspection, packaging and warehousing: and after finishing the door opening, performing post-repair working procedure treatment of trial assembly, inspection and appearance quality defect on the whole arc wall surface with the door opening, and finally packaging and warehousing.
2. The method for processing an arc door opening of an arc wall surface in stone material industry according to claim 1, wherein the width of the door opening in the step (2) is 1404mm.
3. The method for processing the arc door opening of the arc wall surface in the stone industry according to claim 1, wherein the chord length of the door opening line projected onto the arc surface in the step (2) is 1404mm when the arc surface is cut.
4. The method for processing an arc door opening of an arc wall surface in stone material industry according to claim 1, wherein the length of the center line in the step (3), namely the height of the door opening is 2710mm.
5. The method for processing the arc door opening of the arc wall surface in the stone industry according to claim 1, wherein the bow height in the step (3) is 702mm.
6. The method for processing the arc door opening of the arc wall surface in the stone industry according to claim 1, wherein the paper with a certain specification in the step (5) is paper A4 or A3.
7. The method for processing the arc door opening of the arc wall surface in the stone industry according to claim 1, wherein the printing is performed in the step (5) according to the ratio of 1:1.
8. The method for processing the arc door opening of the arc wall surface in the stone industry according to claim 1, wherein in the step (6), all areas are printed by a laser printer according to the ratio of 1:1.
9. The method for processing the arc door opening of the arc wall surface in the stone industry according to claim 1, wherein the specification of the real arc plate in the step (8) is L outer 841mm x R outer 1380mm x H high 800mm x delta 20mm.
10. The method for processing the arc door opening of the arc wall surface in the stone industry according to claim 1, wherein the number of the real object arc plates is 4.
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| CN202111427600.2A CN114368072B (en) | 2021-11-27 | 2021-11-27 | Processing method of arc door opening of arc wall surface in stone industry |
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| CN202111427600.2A CN114368072B (en) | 2021-11-27 | 2021-11-27 | Processing method of arc door opening of arc wall surface in stone industry |
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| CN114368072B true CN114368072B (en) | 2023-06-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS625811A (en) * | 1985-03-04 | 1987-01-12 | 立野石材株式会社 | Method of obtaining arcuate stone constituting column |
| CN103418996A (en) * | 2013-07-31 | 2013-12-04 | 中国二十二冶集团有限公司 | Method for machining extra large circular arc plates |
| CN103862579A (en) * | 2014-03-13 | 2014-06-18 | 苏州金螳螂建筑装饰股份有限公司 | Machining method of stone-material conical hollow circular-arc plate |
| CN111673922A (en) * | 2020-06-24 | 2020-09-18 | 王兰芳 | Method for processing arc stone plate for building |
-
2021
- 2021-11-27 CN CN202111427600.2A patent/CN114368072B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS625811A (en) * | 1985-03-04 | 1987-01-12 | 立野石材株式会社 | Method of obtaining arcuate stone constituting column |
| CN103418996A (en) * | 2013-07-31 | 2013-12-04 | 中国二十二冶集团有限公司 | Method for machining extra large circular arc plates |
| CN103862579A (en) * | 2014-03-13 | 2014-06-18 | 苏州金螳螂建筑装饰股份有限公司 | Machining method of stone-material conical hollow circular-arc plate |
| CN111673922A (en) * | 2020-06-24 | 2020-09-18 | 王兰芳 | Method for processing arc stone plate for building |
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