CN107729646B - Processing method for simplifying three-dimensional structure of frame rubber sealing element into two-dimensional plane graph - Google Patents

Processing method for simplifying three-dimensional structure of frame rubber sealing element into two-dimensional plane graph Download PDF

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CN107729646B
CN107729646B CN201710945479.XA CN201710945479A CN107729646B CN 107729646 B CN107729646 B CN 107729646B CN 201710945479 A CN201710945479 A CN 201710945479A CN 107729646 B CN107729646 B CN 107729646B
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dimensional
sealing element
frame
rubber
simplifying
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CN107729646A (en
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张秀英
王绕
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Northwest Rubber and Plastics Research and Design Institute
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Northwest Rubber and Plastics Research and Design Institute
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation
    • G06T3/06

Abstract

The invention discloses a processing method for simplifying a three-dimensional structure of a frame rubber sealing element into a two-dimensional plane diagram, which comprises the following steps of: firstly, extracting the length of each side and four arcs in a digital-analog model, and recording the extracted data, wherein each side is not a complete length and is divided into a plurality of small sides; unifying the sizes of the arcs, adding the arcs to obtain an average value, and converting the average value into a radius; then adding the straight line parts of the four sides; and (4) rounding each side length, checking the consistency of the adjusted perimeter and the perimeter in the three-dimensional model, and obtaining a simplified plan view after finishing. The processing method for simplifying the three-dimensional structure of the frame rubber-like sealing element into the two-dimensional plane graph simplifies the frame rubber-like sealing element, so that the processing technology is simple, and the mold cost and the processing time are greatly reduced.

Description

Processing method for simplifying three-dimensional structure of frame rubber sealing element into two-dimensional plane graph
Technical Field
The invention relates to a rubber sealing element, in particular to a processing method for simplifying a three-dimensional structure of a frame-like rubber sealing element into a two-dimensional plane diagram.
Background
At present, because the frame structure part of some products is very complicated, the corresponding frame rubber sealing element structure can present an irregular distortion state, if the direct production manufacturing according to the three-dimensional model, the mould processing degree of difficulty is big, and manufacturing cost is huge.
Disclosure of Invention
The invention aims at the technical problem and provides a processing method for simplifying a three-dimensional structure of a frame rubber sealing element into a two-dimensional plane diagram, which comprises the following steps:
s1, firstly, extracting the length of each side and four arcs in a digital-analog model, and recording the extracted data, wherein each side is not a complete length and is divided into a plurality of small side lengths;
s2, unifying the sizes of the arcs, adding the sizes to obtain an average value, and converting the average value into a radius so as to facilitate later processing and manufacturing, and adjusting the side lengths of two adjacent sides of the arcs when the average arc length is different from the original arc length in size; then adding the straight line parts of the four sides;
and S3, rounding each side length, checking the consistency of the adjusted perimeter and the perimeter in the three-dimensional model, and obtaining a simplified plan view after finishing.
Furthermore, the processing method for simplifying the three-dimensional structure of the frame rubber-like sealing element into a two-dimensional plane graph can simplify the distorted three-dimensional model into a rectangle, a square and a U shape according to different rubber processes.
The invention has the advantages that:
the processing method for simplifying the three-dimensional structure of the frame rubber sealing element into the two-dimensional plane graph simplifies the frame rubber sealing element, and the simplified frame rubber sealing element has two advantages in the follow-up practical production and use, namely, the processing and the manufacturing of a rubber mould, if the simplification is not carried out, the rubber sealing element structure shown in a three-dimensional model is directly used for processing and manufacturing, the mechanical manufacturing and processing process is particularly complex, the processing difficulty is very large, the processing of certain large frame rubber sealing element moulds is difficult to add, and after the simplification, the processing process is simple, and the mould cost and the processing time are also greatly reduced; the round corners in the frame body sealing element structure are unified, so that the number of die tools is reduced; and secondly, the rubber process simplifies the process steps and reduces the labor force of workers in the actual operation of the rubber process.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a flow chart of a processing method for simplifying a three-dimensional structure of a frame-like rubber sealing member into a two-dimensional plan view according to the present invention;
FIG. 2 is a front view of a three-dimensional model of a rubber seal for a large frame;
FIG. 3 is a left side view of a three-dimensional model of a rubber seal for a large frame;
FIG. 4 is a front view of the first embodiment with the three-dimensional structure of the frame-like rubber seal simplified into a two-dimensional plane;
FIG. 5 is a left side view of the first embodiment with the three-dimensional structure of the frame-like rubber seal simplified into a two-dimensional plane;
FIG. 6 is a top view of the first embodiment with the three-dimensional structure of the frame-like rubber seal simplified into a two-dimensional plane;
FIG. 7 is a front view of a second embodiment in which the three-dimensional structure of the frame-like rubber seal is simplified into a two-dimensional plane;
FIG. 8 is a left side view of a second embodiment with the three-dimensional structure of the frame-like rubber seal simplified into a two-dimensional plane;
fig. 9 is a plan view of the second embodiment in which the three-dimensional structure of the frame-like rubber seal is simplified into a two-dimensional plane.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, as shown in fig. 1, a processing method for simplifying a three-dimensional structure of a frame-like rubber sealing member into a two-dimensional plan view includes the following steps:
s1, firstly, extracting the length of each side and four arcs in a digital-analog model, and recording the extracted data, wherein each side is not a complete length and is divided into a plurality of small side lengths;
s2, unifying the sizes of the arcs, adding the sizes to obtain an average value, and converting the average value into a radius so as to facilitate later processing and manufacturing, and adjusting the side lengths of two adjacent sides of the arcs when the average arc length is different from the original arc length in size; then adding the straight line parts of the four sides;
and S3, rounding each side length, checking the consistency of the adjusted perimeter and the perimeter in the three-dimensional model, and obtaining a simplified plan view after finishing.
Furthermore, the processing method for simplifying the three-dimensional structure of the frame rubber-like sealing element into a two-dimensional plane graph can simplify the distorted three-dimensional model into a rectangle, a square and a U shape according to different rubber processes.
Fig. 2 and 3 are a front view and a left view of a three-dimensional model of a large frame rubber seal, wherein the model is in an irregular twisted state and has a large outer arc.
The processing method for simplifying the three-dimensional structure of the frame rubber-like sealing element into a two-dimensional plane figure comprises the following specific steps:
the first step is as follows: firstly, extracting the lengths of each side and four arcs in a digital-analog model, and recording the extracted data, wherein as shown in fig. 4, each side is not a complete length and is divided into a plurality of small sides due to a space distortion model;
the second step is that: the arc positions are unified in size, the average value is added, and the average value is converted into a radius, so that later processing and manufacturing are convenient, and when the average arc length is different from the original arc length in size, the side length of two adjacent sides of the arc can be adjusted; then add the four side straight line portions together, see fig. 5;
the third step: because of the elongation and the stretchability of the rubber product, the rubber product can be shortened or shortened, so that the side lengths are rounded, the consistency between the adjusted perimeter and the perimeter in the three-dimensional model is checked, and the simplified plan view is obtained after the completion.
For a three-dimensional model of a complex distorted frame rubber sealing element, firstly, the lengths of all sides of the frame rubber sealing element are extracted from the three-dimensional model, the rules of all sides are observed and analyzed, the length of all the sides is adjusted, a distorted arc line in the three-dimensional model is adjusted into a straight line, the total circumference of a graph on a final simplified plane graph is guaranteed to be equal to the total circumference of the frame rubber sealing element in the three-dimensional model, for some frame rubber sealing elements, the situation that a plurality of fillets are arranged and the sizes of all the fillets are different is guaranteed, because of the stretching and stretching characteristics of rubber, the length of the sides of two adjacent sides can be adjusted on the premise that the use is not affected, and.
The processing method for simplifying the three-dimensional structure of the frame body rubber sealing element into the two-dimensional plane figure is to simplify the processing method into the plane figure when the vulcanization process is segmented vulcanization, and in the actual work, the method can be used for twisting a three-dimensional model according to the difference of the rubber process to simplify the three-dimensional model into a rectangle, a square, a U shape and the like.
FIG. 4 is a front view of a first embodiment (a front view after simplification of a three-dimensional structure is a rectangle) in which a three-dimensional structure of a frame-like rubber seal is simplified into a two-dimensional plane;
FIG. 5 is a left side view of the first embodiment (the front view after the three-dimensional structure is simplified is a rectangle) in which the three-dimensional structure of the frame-like rubber seal is simplified into a two-dimensional plane;
fig. 6 is a plan view of the first embodiment (a front view of the three-dimensional structure is a rectangle) in which the three-dimensional structure of the frame-like rubber seal is simplified into a two-dimensional plane;
fig. 7 is a front view of a second embodiment (a front view after simplification of a three-dimensional structure is a trapezoid) in which a three-dimensional structure of a frame-like rubber seal is simplified into a two-dimensional plane;
FIG. 8 is a left side view of a second embodiment (the front view after the three-dimensional structure is simplified is a trapezoid) in which the three-dimensional structure of the frame-like rubber seal is simplified into a two-dimensional plane;
fig. 9 is a plan view of a second embodiment (a simplified three-dimensional structure and a trapezoidal front view) in which the three-dimensional structure of the frame-like rubber seal is simplified into a two-dimensional plane.
The simplified frame rubber sealing element has two advantages in the follow-up practical production and use, one is the processing and manufacturing of a rubber mould, if the simplification is not carried out, the rubber sealing element structure shown in the three-dimensional model is directly used for processing and manufacturing, the mechanical manufacturing and processing technology is particularly complex, the processing difficulty is very large, the processing of certain large frame rubber sealing element moulds is difficult to add, and after the simplification is carried out, the processing technology is simple, and the mould cost and the processing time are also greatly reduced; the round corners in the frame body sealing element structure are unified, so that the number of die tools is reduced; and secondly, the rubber process simplifies the process steps and reduces the labor force of workers in the actual operation of the rubber process.
In actual work, various frame body rubber sealing elements produced according to a simplified method are applied to actual working conditions and have good use conditions.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (2)

1. A processing method for simplifying a three-dimensional structure of a frame rubber-like sealing element into a two-dimensional plane diagram is characterized by comprising the following steps of:
s1, firstly, extracting the lengths of each side and four circular arcs in the main view projection of the three-dimensional frame rubber sealing element model, and recording the extracted data, wherein each side is not a complete length and is divided into a plurality of small sides;
s2, unifying the sizes of the arcs, adding the sizes to obtain an average value, and converting the average value into a radius so as to facilitate later processing and manufacturing, and adjusting the side lengths of two adjacent sides of the arcs when the average arc length is different from the original arc length in size; then adding straight line parts of four sides in the main view projection of the three-dimensional frame rubber-like sealing element model;
and S3, rounding each side length, checking the consistency of the adjusted perimeter and the perimeter in the three-dimensional model, and obtaining a simplified plan view after finishing.
2. The processing method for simplifying the three-dimensional structure of the frame-like rubber sealing member into the two-dimensional plan view according to claim 1, wherein the twisted three-dimensional model can be simplified into a rectangle, a square or a U shape according to different rubber processes.
CN201710945479.XA 2017-10-12 2017-10-12 Processing method for simplifying three-dimensional structure of frame rubber sealing element into two-dimensional plane graph Active CN107729646B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103093009A (en) * 2011-10-31 2013-05-08 中国兵器工业集团第七0研究所 Method for designing O-shaped rubber sealing ring
DE202013101579U1 (en) * 2013-04-14 2014-07-16 Tillman Scriba Container for food

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1313225C (en) * 2002-07-12 2007-05-02 三菱麻铁里亚尔株式会社 Frame producing method and frame
CN102254061B (en) * 2011-06-09 2012-12-26 山东电力研究院 Finite element modeling and bearing method for line-tower coupling system of power transmission tower
GB201119521D0 (en) * 2011-11-11 2011-12-21 Axis Shield Asa Assay cartridge
WO2016018988A1 (en) * 2014-07-31 2016-02-04 The University Of North Carolina At Chapel Hill Two dimensional materials produced by the liquid exfoliation of black phosphorus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103093009A (en) * 2011-10-31 2013-05-08 中国兵器工业集团第七0研究所 Method for designing O-shaped rubber sealing ring
DE202013101579U1 (en) * 2013-04-14 2014-07-16 Tillman Scriba Container for food

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
作动器密封结构有限元分析与实验研究;李猛;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20140615(第6期);C031-77 *

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