CN111710033B - Digital processing method of steel bar mesh - Google Patents
Digital processing method of steel bar mesh Download PDFInfo
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Abstract
The invention relates to the technical field of processing of reinforcing steel meshes of plastic-stone rockery, and discloses a digital processing method of reinforcing steel meshes, which solves the technical problems of low processing efficiency, easy error in process and low automation degree of the conventional reinforcing steel meshes, and comprises the following specific steps: the method comprises the steps of firstly obtaining accurate data of a three-dimensional rockery model, automatically splitting a rockery, automatically cutting a reinforcing steel bar mesh, finally automatically generating an assembling drawing and a processing code, and realizing a full-digital process from the model to production by transforming a numerical control system of the numerical control reinforcing steel bar bending machine in the conventional PLC mode. According to the technical scheme, the accuracy and the complexity of the processing of the reinforcing mesh are greatly improved, the labor is greatly reduced, and the utilization rate of materials is improved.
Description
Technical Field
The invention relates to the technical field of processing of a reinforcing mesh of a plastic-stone rockery, in particular to a digital processing method of the reinforcing mesh.
Background
In the recent trend of the tourism industry, theme parks are increasingly favored as an important type of modern tourism resource. The plastic stone rockery in the theme park can be used as a decorative artificial landscape, can be closely combined with functional amusement facilities, theme restaurants and the like to form an entertainment place with a characteristic theme culture background, and attracts more and more tourists to live and remember. At present, the structure of the plastic stone rockery in the theme park is mainly of a reinforced concrete structure, and the modeling of the plastic stone rockery is mainly of a reinforced mesh which is directly and manually woven on site. Because the accuracy of the steel bar net piece braiding directly influences the modeling and the structural stability of the plastic stone rockery.
At present, most of reinforcing mesh sheets are manually bent and realized by manually contrasting drawings, and the method has low efficiency and low accuracy. And the length and the bending angle of each reinforcing steel bar are input into the system by adopting a manual programming mode, and the system controls the numerical control bending machine to process the required reinforcing steel bar model.
Therefore, based on the understanding, organization and analysis of the prior art, the technical problems with the prior art are summarized herein as follows:
1. in the manual drawing disassembling mode in the prior art, although three-dimensional modeling software is used, the flow is not automatically processed, the efficiency is low, and errors are easy to occur;
2. the control system of the numerical control reinforcing steel bar machine is logically controlled by using the traditional PLC, and the storage space of the PLC is limited, so that the bending times of reinforcing steel bars cannot exceed a certain number, generally 32 times, the reinforcing steel bar mesh with more complicated shape cannot be realized, and the shapes of the plastic stone rockery cannot be more abundant and diversified;
3. the bending length and angle of the reinforcing steel bar are input through manual programming, so that the efficiency is low and errors are easy to occur;
4. the assembled drawing is manually disassembled from the three-dimensional model, so that errors are easy to make and the speed is very low.
Disclosure of Invention
Aiming at the technical problems of the four aspects of (1), (2), (3) and (4) in the background technology, the invention aims to provide a digital processing method of a reinforcing mesh, which can improve the processing efficiency of the reinforcing mesh, is not easy to make mistakes in the processing process, and has high automation degree and accurate processing.
In order to realize the purpose, the invention provides the following technical scheme:
a digital processing method of a steel bar mesh comprises the following steps:
the first step is as follows: manufacturing a rockery physical model;
the second step is that: scanning the manual rockery physical model by using a three-dimensional digital scanner to obtain a digital three-dimensional model of the rockery physical model after scanning, wherein the digital three-dimensional model is a 3DS file in an REVIT software format;
the third step: developing a plug-in of REVIT software, installing the developed plug-in into a computer provided with rhinoceros three-dimensional modeling software, and running the plug-in by the rhinoceros three-dimensional modeling software;
the fourth step: the digital three-dimensional model is segmented by utilizing a plug-in function, the segmentation is automatically carried out according to parameters set by a user, the parameter setting is carried out according to an assembling process and the on-site crane lifting capacity, and the segmentation small blocks are named after the segmentation is finished;
the fifth step: setting corresponding parameters of the cage size in the plug-in unit according to the cuboid of the cage size of the field welded steel mesh, and then automatically cutting and naming the cut small blocks according to the cage size of the field welded steel mesh to obtain small cuboid mountains;
and a sixth step: for the small partitioned cuboid mountains, rib arrangement is carried out according to three axial directions of XYZ and a field process, and in the rib arrangement process, positions with complex shapes and dense arrangement or linear positions are selected according to actual conditions to reduce the number of reinforcing steel bars;
the seventh step: exporting a DXF steel bar mesh model in DXF format of one piece from REVIT software;
eighth step: developing DXF model reading software capable of reading DXF steel bar mesh model data;
the ninth step: reading DXF steel bar net piece model data through DXF model reading software, and deriving a processing code of each steel bar and three assembled views of each steel bar net piece;
the tenth step: outputting the derived processing code of each steel bar to a numerical control steel bar bending machine system, wherein the numerical control steel bar bending machine system is a PC-based numerical control steel bar bending machine system which is modified and controlled by a motion control card, and the numerical control system analyzes the instruction of each steel bar and controls the bending machine to process each specific steel bar;
the eleventh step: finally, the needed steel bar meshes are assembled through the three assembled views of each steel bar mesh.
According to the technical scheme, the whole-process digitization method from the three-dimensional model to processing is provided, the accurate data of the three-dimensional rockery model is obtained firstly, the rockery is automatically split, the reinforcing steel bar net piece is automatically cut, the assembling drawing and the processing code are automatically generated finally, and the whole digitization process from the model to production is achieved by transforming the numerical control system of the existing PLC mode numerical control reinforcing steel bar bending machine. The accuracy and the complexity of reinforcing bar net piece processing are greatly improved, the manpower is greatly reduced, and the utilization rate of materials is improved.
A user does not need to manually disassemble the drawing and manually input a programming instruction, so that the working efficiency is greatly improved, the time is saved, and the full digitalization of the reinforcing mesh processing process is realized.
The invention is further configured to: the rockery physical model is made manually by a rockery artist.
The invention is further configured to: the three-dimensional digital scanner is configured as a hand-held three-dimensional scanner model HOLON 760.
The invention is further configured to: the plug-in is a software program of C # language, and the rhinoceros three-dimensional modeling software runs the plug-in through a DLL (dynamic link library) file, so that the rhinoceros three-dimensional modeling software has the functions of automatically segmenting the rockery model and automatically labeling; meanwhile, the method also has the functions of automatically arranging the reinforcing steel bars on the 2 x 2 mountain and outputting a three-dimensional DXF model.
The invention is further configured to: the numerical control steel bar bending machine is improved by the following method:
the first step is as follows: switching a PLC control system of the common steel bar bending machine into models of a PC control end and a motion control card;
the second step: installing reinforcing steel bar machine control software at a PC control end;
the third step: and controlling the processing of the steel bar bending machine by steel bar machine control software.
In conclusion, the invention has the following beneficial effects:
(1) The accuracy of processing the reinforcing mesh is improved;
(2) The processing efficiency is improved, full automation is realized, the labor cost is greatly reduced, and the time is saved;
(3) The utilization rate of the material is improved;
(4) A user does not need to manually disassemble the picture, and inputs a programming instruction manually, so that the complexity of the process is reduced.
Drawings
Fig. 1 is a flow chart of a digital processing method of a reinforcing mesh.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
A digital processing method of a steel bar mesh comprises the following steps:
the first step is as follows: the rockery real object model to be built is made in advance by the rockery artist, so that the model can be used as the basis for subsequent processing.
The second step: and scanning the manual rockery physical model by using a three-dimensional digital scanner to obtain a digital three-dimensional model of the rockery physical model, wherein the digital three-dimensional model is a 3DS file in a format of a rhinoceros three-dimensional model REVIT software.
The third step: and developing a plug-in of the REVIT software of the rhinoceros three-dimensional model by using the C # language, installing the developed plug-in into a computer provided with the rhinoceros three-dimensional modeling software, and operating the plug-in by the rhinoceros three-dimensional modeling software.
The fourth step: the digital three-dimensional model is segmented by utilizing a plug-in function, the segmentation is automatically carried out according to parameters set by a user, the parameter setting is carried out according to an assembling process and the on-site crane lifting capacity, and the segmentation small blocks are named after the segmentation is finished; for example, post-assembled cage sizes, because different mesh reinforcement requires cages of different sizes, typically 2 x 2 cubes, as well as cuboids, etc. The named prefix of a mountain, such as the Henghai island project, may be written with a HDHHD prefix followed by automatic labeling based on mountain coordinates. The parameter of the rib arrangement distance of the reinforcing mesh sheet, for example, ribs are arranged in the three directions of XYZ according to the distance of 150, and the parameter can be modified to adapt to different situations.
The fifth step: setting corresponding parameters of the cage size in the plug-in unit according to the cuboid of the cage size of the field welded steel mesh, and then automatically cutting and naming the cut small blocks according to the cage size of the field welded steel mesh to obtain small cuboid mountains;
and a sixth step: for the small cuboid mountain body which is divided, rib arrangement is carried out according to three axial directions of XYZ and the field process, and the number of reinforcing steel bars is reduced by selecting a place with a complex shape and dense arrangement or a straight line place according to the actual situation in the rib arrangement process;
the seventh step: deriving a DXF steel mesh model in DXF format from REVIT software;
the eighth step: DXF model reading software capable of reading DXF steel bar net piece model data is developed by using C # language;
the ninth step: reading DXF steel bar net piece model data through DXF model reading software, and deriving a processing code of each steel bar and three assembled views of each steel bar net piece;
the tenth step: outputting the derived processing code of each steel bar to a numerical control steel bar bending machine system, wherein the numerical control steel bar bending machine system is a PC-based numerical control steel bar bending machine system which is modified and controlled by a motion control card, and the numerical control system analyzes the instruction of each steel bar and controls the bending machine to process each specific steel bar;
the eleventh step: and finally, assembling the required reinforcing mesh sheets by the three assembled views of each reinforcing mesh sheet.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.
Claims (5)
1. A digital processing method of a steel bar mesh is characterized by comprising the following steps:
the first step is as follows: manufacturing a rockery physical model;
the second step: scanning the manual rockery physical model by using a three-dimensional digital scanner to obtain a digital three-dimensional model of the rockery physical model after scanning, wherein the digital three-dimensional model is a 3DS file in a REVIT software format;
the third step: developing a plug-in of REVIT software, installing the developed plug-in into a computer provided with rhinoceros three-dimensional modeling software, and operating the plug-in by the rhinoceros three-dimensional modeling software;
the fourth step: the digital three-dimensional model is segmented by utilizing a plug-in function, the segmentation is automatically carried out according to parameters set by a user, the parameter setting is carried out according to an assembling process and the on-site crane lifting capacity, and the segmentation small blocks are named after the segmentation is finished;
the fifth step: setting parameters corresponding to the cage size in the plug-in unit according to the cage size cuboid of the field-welded reinforced mesh, automatically cutting the small cut-off blocks again according to the cage size of the field-welded reinforced mesh, and naming to obtain small cuboid mountains;
and a sixth step: for the small cuboid mountain body which is divided, rib arrangement is carried out according to three axial directions of XYZ and the field process, and the number of reinforcing steel bars is reduced by selecting a place with a complex shape and dense arrangement or a straight line place according to the actual situation in the rib arrangement process;
the seventh step: deriving a DXF steel mesh model in DXF format from REVIT software;
eighth step: developing DXF model reading software capable of reading DXF steel bar mesh model data;
the ninth step: reading DXF steel bar mesh model data through DXF model reading software, and deriving a processing code of each steel bar and an assembled three-view of each steel bar mesh;
the tenth step: outputting the derived processing code of each steel bar to a numerical control steel bar bending machine system, wherein the numerical control steel bar bending machine system is a PC-based numerical control steel bar bending machine system which is well transformed and controlled by a motion control card, and the numerical control system analyzes the instruction of each steel bar and controls the bending machine to process each specific steel bar;
the eleventh step: and finally, assembling the required reinforcing mesh sheets by the three assembled views of each reinforcing mesh sheet.
2. The digital processing method of the steel mesh according to claim 1, characterized in that: the rockery physical model is made manually by a rockery artist.
3. The digital processing method of the steel mesh according to claim 1, characterized in that: the three-dimensional digital scanner is configured as a hand-held three-dimensional scanner model HOLON 760.
4. The digital processing method of the steel mesh according to claim 1, characterized in that: the plug-in is a software program of C # language, and the plug-in is operated by utilizing the rhinoceros three-dimensional modeling software and a DLL (delay locked loop) file, so that the rhinoceros three-dimensional modeling software has the functions of automatically segmenting the rockery model and automatically labeling; meanwhile, the method also has the functions of automatically arranging the reinforcing steel bars on the 2 x 2 mountain and outputting a three-dimensional DXF model.
5. The digital processing method of the steel mesh according to claim 1, characterized in that: the numerical control steel bar bending machine is improved by the following method:
the first step is as follows: a PLC control system of a common steel bar bending machine is switched into a combined control system of a PC control end and a motion control card;
the second step is that: installing reinforcing steel bar machine control software at a PC control end;
the third step: and controlling the processing of the steel bar bending machine by steel bar machine control software.
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