CN112446094A - Automatic grouping method and system for manufacturing ship pipe fitting families - Google Patents
Automatic grouping method and system for manufacturing ship pipe fitting families Download PDFInfo
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- CN112446094A CN112446094A CN202011339141.8A CN202011339141A CN112446094A CN 112446094 A CN112446094 A CN 112446094A CN 202011339141 A CN202011339141 A CN 202011339141A CN 112446094 A CN112446094 A CN 112446094A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/02—CAD in a network environment, e.g. collaborative CAD or distributed simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/14—Pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention provides an automatic grouping method and system for manufacturing a ship pipe fitting family, which are used for determining pipe sections to be grouped according to a production plan, a production beat and a raw material inventory condition; disassembling the pipe section into a large assembly, a middle assembly and a small assembly according to the geometric characteristics and the processing method of the pipe section; the assembly is taken as a unit, and the assembly is classified into groups according to the specification of the pipe and the processing technology of the assembly; and outputting an assembled processing list of each pipe production line and a pipe section assembling three-dimensional model. The invention has the advantages of optimizing the tube section processing grouping technology, improving the grouping rate of tubes, expanding production batch, improving the tube section manufacturing production efficiency, ensuring the timeliness and integrity of the distribution tray according to the production plan of the tray and the stock condition of raw materials, and solving the problems of low grouping rate, low automatic welding application rate, and low integrity and timeliness of the tube section tray of the existing tube section grouping technology.
Description
Technical Field
The invention relates to the technical field of ship pipe system design and manufacture, in particular to an automatic grouping method and an automatic grouping system for manufacturing ship pipe fittings.
Background
At present, international competitiveness of domestic large-scale ship assembly plants is improved, types of ships to be built are changeable, the number of ships is increased, the number of ship pipe sections is increased sharply, a large gap exists between capacity and actual demand of a pipe section machining workshop, and at present, the gap is filled by mainly increasing personnel investment and prolonging manufacturing working hours. The field of pipe section manufacturing needs to improve the pipe section processing efficiency so as to meet the production requirement.
A plurality of pipe processing workshops in China already apply grouping technology, but the grouped minimum unit is a pipe section, and the pipe section is grouped according to the processing technology and the pipe diameter of the pipe section to manufacture a pipe fitting family. Because the pipe section has a complex and changeable structure, the pipe section is divided into a straight pipe, one plane bend, N plane bends, a three-dimensional bend and the like according to the shape; branch pipes are divided into a single branch pipe, a multi-branch pipe, a branch pipe and the like according to the existence of the branch pipe; resulting in a lower grouping rate with complete pipe sections as the smallest unit of the group. Meanwhile, because the pipe sections are irregular in shape, the complicated pipe sections can only be manually welded, and the automatic welding utilization rate is low.
When the group of pipe sections is manufactured by using a grouping technology, the pipe sections of multiple ship types and multiple trays are mixed together to manufacture. Because the pipe sections are not manufactured by taking the tray as a unit, the condition that some pipe sections are finished and some pipe sections are not manufactured in the same tray can occur, and the integrity and timeliness of the tray are influenced.
In order to solve the above problems, it is necessary to optimize the tube segment grouping technology to increase the grouping rate of the tubes and to expand the production batch to increase the production efficiency of the tube segment. Meanwhile, when a grouping plan is made, the production plan and the raw material inventory condition of the trays must be considered so as to ensure the timeliness and the integrity of the distribution trays.
Disclosure of Invention
In view of the above drawbacks of the prior art, the present invention provides an automatic grouping method and system for manufacturing ship pipe sets, which solves the problems of low grouping rate, low automatic welding application rate, and low integrity and timeliness of pipe section trays in the existing pipe set grouping technology.
To achieve the above and other related objects, the present invention provides an automated grouping method for the manufacture of marine tubing families, comprising the steps of:
step one, determining pipe sections to be grouped according to a production plan, a production rhythm and a raw material inventory condition;
secondly, disassembling the pipe section into a large assembly, a middle assembly and a small assembly according to the geometric characteristics and the processing method of the pipe section;
step three, taking the assembly as a unit, and classifying the assembly into groups according to the specification of the pipe and the processing technology of the assembly;
and step four, outputting the assembling and processing list of each pipe production line and the pipe section assembling three-dimensional model.
Preferably, step one comprises:
selecting a tray to be finished in a production period according to a production plan of a pipe section tray of a management processing workshop; acquiring a raw material list of pipe section processing in the tray, namely a list of pipes and accessories; matching the raw material list with the stock condition of a material library, and removing and marking the pipe sections lacking the raw materials; the trays and pipe sections that ultimately need to be machined are determined.
Preferably, step two includes:
the small assembly is a structure capable of finishing processing on one station;
the tube processing stations comprise an automatic welding station, a manual welding station, a tube bender station and a hole digging and slotting station;
the small assembly is divided into automatic welding assembly, bent pipe assembly and hole digging and slotting assembly.
Preferably, the automatic welding assembly is a structure capable of being completed by an automatic welding station, the geometric characteristic of the structure is straight, and the whole assembly is in a straight line.
Preferably, the tube bending assembly is a structure completed on a tube bending machine, and the geometric characteristic of the structure is machine bending, namely the structure needing to be bent by the tube bending machine.
Preferably, the hole-opening and groove-digging assembly is a pipe needing to be provided with a through hole, a groove, a drill hole and a tooth.
Preferably, the intermediate assembly is a main pipe intermediate assembly and a branch pipe intermediate assembly.
Preferably, the assembly of step two is a complete pipe section.
Preferably, the assembly in the second step is obtained by decomposing a pipe section with a branch pipe.
An automated grouping system for the manufacture of marine tubing families comprising:
the grouping planning module is used for determining pipe sections to be grouped according to a production plan, a production beat and a raw material inventory condition;
the pipe section decomposition module is used for disassembling the pipe section into a large assembly, a middle assembly and a small assembly according to the geometric characteristics and the processing method of the pipe section;
the assembling and grouping module takes the assembling as a unit and classifies the assembling into groups according to the specification of the pipe and the processing technology of the assembling;
and the grouping information output module outputs a grouping processing list of each pipe production line and a pipe section assembling three-dimensional model.
As described above, the automatic grouping method and system for manufacturing a ship pipe family according to the present invention have the following advantageous effects: the method has the advantages that the grouping technology for processing the pipe sections is optimized, the grouping rate of the pipes is improved, the production batch is enlarged, the manufacturing production efficiency of the pipe sections is improved, the timeliness and the integrity of the distribution tray are ensured according to the production plan of the tray and the stock condition of raw materials, and the problems that the grouping rate of the existing pipe fitting family grouping technology is low, the automatic welding application rate is low, and the integrity and the timeliness of the pipe section tray are not high are solved.
Drawings
FIG. 1 is a schematic flow diagram of an automated grouping method for manufacturing a family of marine tubulars according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an automated grouping system for the manufacture of marine tubular families according to an embodiment of the invention;
FIG. 3 is a schematic view of the position of the connection point of the automatic welding assembly according to the embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the location of change of the automatic weld set up path value according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating the positions of branch connections of an automatic welding assembly main pipe according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the position of an automatic welding assembly tee according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of an embodiment of the invention;
FIG. 8 is a schematic view of a pipe segment with a branch pipe in a pipe segment tree according to an embodiment of the present invention;
FIG. 9 is a schematic view of a pipe section without a branch in a pipe section tree according to an embodiment of the present invention;
FIG. 10 is a schematic view of a three-dimensional molding belt label for a pipe segment according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 10. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or through an intermediate medium, or both elements may be interconnected. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-10, the present invention provides an automated grouping method for the manufacture of marine tubing families, comprising:
determining pipe sections to be grouped according to a production plan, a production rhythm and a raw material inventory condition;
disassembling the pipe section into a large assembly, a middle assembly and a small assembly according to the geometric characteristics and the processing method of the pipe section;
the assembly is taken as a unit, and the assembly is classified into groups according to the specification of the pipe and the processing technology of the assembly;
and outputting an assembled processing list of each pipe production line and a pipe section assembling three-dimensional model.
The method for determining the pipe sections to be grouped according to the production plan, the production beat and the stock condition of raw materials comprises the following steps:
selecting a tray to be finished in a production period according to a production plan of a pipe section tray of a management processing workshop; obtaining raw materials for processing the pipe section in the tray, namely a list of pipes and pipe accessories; matching the raw material list with the stock condition of a material library, and removing and marking the pipe sections lacking the raw materials; the trays and pipe sections that ultimately need to be machined are determined.
The method for disassembling the pipe sections into a large assembly, a middle assembly and a small assembly according to the geometric characteristics and the processing method of the pipe sections comprises the following steps:
the small assembly is defined as a structure which can finish processing on one station;
the tube processing stations comprise an automatic welding station, a manual welding station, a tube bender station, a hole digging and slotting station and the like;
the small assembly is mainly divided into automatic welding assembly, bent pipe assembly and hole digging and slotting assembly;
the automatic welding assembly is a structure capable of being completed by an automatic welding station, the geometric characteristic of the structure is straight, and the whole assembly is a straight line. Typical structures are: the flange is connected with a straight pipe, the flange is connected with a straight pipe connecting elbow, and the flange is connected with a straight pipe connecting reducing;
the method for program disassembly and automatic welding assembly comprises the steps that the elbow of the flange straight pipe is disconnected at the position where the direction of the connecting point of the pipeline part is changed, or the reducing disconnection of the flange straight pipe is disconnected at the position where the drift diameter value is changed; the branch pipe connection is disconnected; if a tee joint exists, the tee joint does not belong to any group, as shown in fig. 3, 4, 5 and 6.
The pipe bending assembly is a structure finished on a pipe bending machine, and the geometric characteristic of the structure is machine bending, and the structure is a structure needing to be bent by using the pipe bending machine. Typical structures are: bent pipe, welded before bent structure.
The procedure is determined by the presence of a bent pipe and the section of pipe marked as weld-before-bend.
The hole-opening and groove-digging assembly is a pipe which needs to be provided with a through hole, a groove, a drill hole and a twisted tooth.
The program judging method comprises the following steps:
the assembly of the through holes is an object with branch pipe connection points on the pipe;
the assembly of the slot, it is the pipe with slot mark;
the drill hole assembly is a pipe with an opening mark;
the assembly of the twisted teeth is a pipe with twisted tooth marks.
The middle assembly is disassembled from the pipe section with the branch pipe; pipe sections without branch pipes, without intermediate assemblage.
The middle assembly is divided into a main pipe middle assembly and a branch pipe middle assembly;
one path of part connected with the main pipe is assembled in the main pipe, and one path of part connected with the branch pipe is assembled in the branch pipe.
The large assemblage is a complete pipe section.
The small, medium and large group naming rules are as follows:
the names of large groups named pipe sections, such AS TBN204-AS 1-01;
the names of the middle groups are:
the assembly in the master pipe is added with a _ "+" M "+" number after the pipe section name, such AS TBN204-AS1-01_ M1;
m represents Main; the numbers are "1, 2 … …".
The branch pipe is assembled by adding a _ "+" B "+" number after the pipe section name; such AS TBN204-AS1-01_ B1, TBN204-AS1-01_ B2;
b represents Branch; the numbers are "1, 2 … …".
The small assemblage is named the superior assemblage + "_" + "numbered"; TBN204-AS1-01_01 or TBN204-AS1-01_ M1_ 01;
the small assemblage is not added with letter marks and is separated from the middle assemblage; the numbers "01" and "02" … … are in turn.
The method for classifying the assembly into groups according to the specification of the pipe and the processing technology of the assembly by taking the assembly as a unit comprises the following steps:
according to the processing technology after the cutting and blanking of the pipe, the assembly is decomposed into the following 6 types, as shown in the following table:
according to the drift diameter of the pipe, the pipe section is divided into four production lines, and the processing ranges of the four production lines are shown in the following table:
after the pipe section is decomposed, the serial number of the assembly consists of a production line code and a processing mode code, such as 1S \ 1B.
Each production line is provided with an automatic welding station, a pipe bending station, a manual welding station, other processing stations and the like; the manual welding station is typically used for medium and large assemblage assembly, with the six assemblage types being divided into the following four stations, as shown in the following table:
the series of assemblies processed at each station on each production line are shown in the following table:
the method for outputting the assembled processing list of each pipe production line and the three-dimensional model of pipe section assembly comprises the following steps:
firstly, outputting an assembled processing list, which is shown in the following table:
sequence number: the assembly is ordered according to letters and numbers;
the ship number: the ship is used for configuring the pallet on the production site;
a tray table: the section of the pipe to which the assembly belongs is described, and the section of the pipe is used for configuring a tray on a production site;
the names of the pipe sections are: illustrating to which pipe section the assembly belongs;
the group name is as follows: the name of the group can be a big group name, a middle group name and a small group name;
the assembly type is as follows: whether the assembly is a large assembly, a middle assembly or a small assembly is described;
the combination series: the assembly is explained to be produced on which production line, belongs to which type according to the processing technology and is used for guiding the site to construct the assembly at which station;
assembling and flowing to: explaining to which the assembly should flow after completion; after the assembly is finished, the assembly flows to a manual welding station, a pipe bender station or a large assembly welding platform and the like.
Assembly parts list: the component composition of the assemblage is described for instructing field workers to construct the assemblage.
II, three-dimensional model of the structured pipe section:
the three-dimensional model of the pipe section constructs a structure tree of the pipe section by a large-assembly structure, a middle-assembly structure and a small-assembly structure. The structure tree of pipe segments is shown in fig. 8 and 9.
And marking the assembly information between the assemblies by using three-dimensional marks on the three-dimensional model of the pipe section.
Marking the finished size of the pipe section by using size marking;
marking information of the corner of the flange by using character marking;
an example is shown in fig. 10.
In summary, the automatic grouping method and system for manufacturing ship pipe fittings of the present invention have the following advantages: the method has the advantages that the grouping technology for processing the pipe sections is optimized, the grouping rate of the pipes is improved, the production batch is enlarged, the manufacturing production efficiency of the pipe sections is improved, the timeliness and the integrity of the distribution tray are ensured according to the production plan of the tray and the stock condition of raw materials, and the problems that the grouping rate of the existing pipe fitting family grouping technology is low, the automatic welding application rate is low, and the integrity and the timeliness of the pipe section tray are not high are solved.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An automated grouping method for the manufacture of a family of marine tubulars comprising the steps of:
1) determining pipe sections to be grouped according to a production plan, a production rhythm and a raw material inventory condition;
2) disassembling the pipe section into a large assembly, a middle assembly and a small assembly according to the geometric characteristics and the processing method of the pipe section;
3) the assembly is taken as a unit, and the assembly is classified into groups according to the specification of the pipe and the processing technology of the assembly;
4) and outputting the assembly processing list of each pipe production line and the pipe section assembling three-dimensional model.
2. The automated ganging method for manufacturing of a family of marine tubulars of claim 1, wherein: the step 1) comprises the following steps:
selecting a tray to be finished in a production period according to a production plan of a pipe section tray of a management processing workshop; acquiring a raw material list of pipe section processing in the tray, namely a list of pipes and accessories; matching the raw material list with the stock condition of a material library, and removing and marking the pipe sections lacking the raw materials; the trays and pipe sections that ultimately need to be machined are determined.
3. The automated ganging method for manufacturing of a family of marine tubulars of claim 1, wherein: the step 2) comprises the following steps:
the small assembly is a structure capable of finishing processing on one station;
the tube processing stations comprise an automatic welding station, a manual welding station, a tube bender station and a hole digging and slotting station;
the small assembly is divided into automatic welding assembly, bent pipe assembly and hole digging and slotting assembly.
4. The automated ganging method for manufacturing of a family of marine tubulars of claim 3, wherein: the automatic welding assembly is a structure capable of being completed by an automatic welding station, the geometric characteristic of the structure is straight, and the whole assembly is a straight line.
5. The automated ganging method for manufacturing of a family of marine tubulars of claim 3, wherein: the bent pipe assembly is a structure finished on a pipe bending machine, the geometric characteristic of the structure is machine bending, and the bent pipe assembly is a structure needing to be bent by using the pipe bending machine.
6. The automated ganging method for manufacturing of a family of marine tubulars of claim 3, wherein: the hole-opening and groove-digging assembly is a pipe which needs to be provided with a through hole, a groove, a drilling hole and a tooth twisting.
7. The automated ganging method for manufacturing of a family of marine tubulars of claim 1, wherein: the middle assembly in the step 2) is divided into a main pipe middle assembly and a branch pipe middle assembly.
8. The automated ganging method for manufacturing of a family of marine tubulars of claim 1, wherein: the large assembly of the step 2) is a complete pipe section.
9. The automated ganging method for manufacturing of a family of marine tubulars of claim 1, wherein: the middle assembly in the step 2) is obtained by decomposing a pipe section with a branch pipe.
10. An automated grouping system for the manufacture of marine tubing families, comprising:
the grouping planning module is used for determining pipe sections to be grouped according to a production plan, a production beat and a raw material inventory condition;
the pipe section decomposition module is used for disassembling the pipe section into a large assembly, a middle assembly and a small assembly according to the geometric characteristics and the processing method of the pipe section;
the assembling and grouping module takes the assembling as a unit and classifies the assembling into groups according to the specification of the pipe and the processing technology of the assembling;
and the grouping information output module outputs a grouping processing list of each pipe production line and a pipe section assembling three-dimensional model.
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| CN202011339141.8A CN112446094B (en) | 2020-11-25 | 2020-11-25 | Automatic grouping method and system for manufacturing ship pipe fitting family |
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| CN202011339141.8A CN112446094B (en) | 2020-11-25 | 2020-11-25 | Automatic grouping method and system for manufacturing ship pipe fitting family |
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| CN113927254A (en) * | 2021-11-10 | 2022-01-14 | 江苏新时代造船有限公司 | Pipe splitting and assembling process |
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| CN112446094B (en) | 2023-06-16 |
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