CN100474191C - Bending-torsional non-linear variable-diameter tube pressed mould manufacture method - Google Patents
Bending-torsional non-linear variable-diameter tube pressed mould manufacture method Download PDFInfo
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- CN100474191C CN100474191C CNB2007101504706A CN200710150470A CN100474191C CN 100474191 C CN100474191 C CN 100474191C CN B2007101504706 A CNB2007101504706 A CN B2007101504706A CN 200710150470 A CN200710150470 A CN 200710150470A CN 100474191 C CN100474191 C CN 100474191C
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- bending
- tire
- linear variable
- tube pressed
- torsional
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Abstract
The invention discloses a production method of a crankled non-linear reducer pipe suppressing clamping fixture, which comprises the following steps: a three-dimensional hardware model of a tubular component by employing computer-aided design software is created; and a part of models are divided into two parts to produce a left and a right half tubes; taking the centre of the tube for reference, a plane is identified as a floor flat of the clamping fixture, equant points are made on the centre line of a reducer pipe, and three-dimensional coordinates of the equant points are recorded; taking the equant points as the reference, the left and the right half tubes on the flat vertical to the floor of the clamping fixture is cut, and the geometry of the section outline is extracted; according to the extracting data, the shapes of the convex and the concave mould boards are cutted by using CNC cutting equipment and polish transition grooves; according to three-dimensional coordinate data of the equant points, the space positions of the convex and the concave mould boards on the floor flat of the clamping fixture are respectively fixed; make a transition board, and the transition board and the convex and the concave mould boards are welded into a whole, then the overall on the floor flat of the clamping fixture is welded, thereby completing the suppressing of the clamping fixture.
Description
Technical field
The present invention relates to a kind of method for making of pipe fitting tube pressed mould, relate in particular to a kind of method for making of bending-torsional non-linear variable-diameter tube pressed mould of spatial modelling complexity.
Background technology
Because adnornment industry or industrial special circumstances, often need some steel pipes are designed to special shape, such as: bending-torsional non-linear variable-diameter shape member, its moulding complexity, and its bending, or non-linear reducing does not have rule basically, usually adopt cast steel to carry out casting for producing the required tube pressed mould of such moulding tubular element, traditional casting technique generally is to be achieved by steps such as " detections of sand casting---emery wheel relief grinding---three-dimensional template ", this process can not guarantee the accuracy and the workmanship of special-shaped tubular member well, adopt the casting technique of prior art, because the time is longer, therefore expense is also bigger, the extraction of process data and control difficulty can not guarantee to produce in batch.
Summary of the invention
In order to overcome existing drawback in the above-mentioned prior art, the invention provides a kind of method for making of bending-torsional non-linear variable-diameter tube pressed mould, its technology is simple and easy to do, solved in the prior art processing modelling data extract difficulty, and the technical matters of the complicated difficult location of mold moulding, broken away from traditional handicraft and made the problem that this type mold expense is big, error is big, the time cycle is long.
In order to solve the problems of the technologies described above, the method for making of bending-torsional non-linear variable-diameter tube pressed mould of the present invention may further comprise the steps:
(1) utilize computer aided design software to create the three-dimensional entity model of bending-torsional non-linear variable-diameter; (2) the described model of subdivision is two parts, and the somatotype curved surface that draws, thereby described model is divided into left and right sides two parts, produces left and right semicanal; With above-mentioned bending-torsional non-linear variable-diameter center is reference, determines that a plane is the mold base plate plane, makes Along ent on above-mentioned bending-torsional non-linear variable-diameter center line, and writes down the three-dimensional coordinate of above-mentioned each Along ent; With each Along ent is reference, cuts left and right semicanal on perpendicular to the mold base plate plane, extracts the profile geometric figure of section, promptly obtains the geometric figure of recessed tire of tube pressed mould and protruding tire mould board; (3) according to the data of extracting, utilize NC cutting equipment to cut out above-mentioned recessed tire and protruding tire mould board shape, and polish the transition groove; Three-dimensional coordinate data difference anchor tire and the locus of protruding tire mould board on the mold base plate by each Along ent; Make recessed tire rebound and protruding tire rebound, and recessed tire rebound and recessed tire mould board are welded as first integral body, protruding tire rebound and protruding tire mould board are welded as second integral body, then described first and second integral body are welded on respectively on the mold base plate, thereby finish tube pressed mould.
The method for making of bending-torsional non-linear variable-diameter tube pressed mould of the present invention, wherein, described computer aided design software adopts the AutoCAD software package.Described NC cutting equipment is the numerical control cutting machine of SKG series.
Positioner manufacturing method of the present invention compared with prior art its beneficial effect is: because positioner manufacturing method of the present invention is to utilize computer aided design software to carry out three-dimensional modeling, the multiple spot cutting of mold, and extract the digital control processing data of bending reducer pipe, solved in the prior art problem to processing modelling data extract difficulty; In addition, utilize and make recessed tire of compacting and protruding fetalism mould board, and allow it make up at a certain distance separately, the rebound transition is used in the centre, has solved the technical matters of the complicated difficult location of tube pressed mould moulding.Positioner manufacturing method of the present invention has been broken away from prior art and has been made the problem that this type casting mold compression moulding expense is big, error is big, the time cycle is long, utilize positioner manufacturing method of the present invention, this type of different in nature tubular element of production that can be in batch, and reduced labour intensity to a great extent, improve work efficiency, saved human and material resources and financial resources.
Description of drawings
Fig. 1 is the synoptic diagram that adopts the bending-torsional non-linear variable-diameter that positioner manufacturing method of the present invention will suppress;
Fig. 2 is the three-dimensional entity model of bending-torsional non-linear variable-diameter shown in Fig. 1 figure;
Fig. 3 is the somatotype of bending-torsional non-linear variable-diameter shown in a Fig. 1 synoptic diagram;
Fig. 4 adopts the synoptic diagram that extracts the mold data in the positioner manufacturing method of the present invention;
Fig. 5-the 1st adopts the synoptic diagram of the protruding tire of mold in the positioner manufacturing method of the present invention;
Fig. 5-the 2nd, A-A sectional view shown in Fig. 5-1;
Fig. 5-the 3rd, B-B sectional view shown in Fig. 5-1;
Fig. 6-the 1st adopts the synoptic diagram of the recessed tire of mold in the positioner manufacturing method of the present invention;
Fig. 6-the 2nd, A-A sectional view shown in Fig. 6-1;
Fig. 6-the 3rd, B-B sectional view shown in Fig. 6-1;
Fig. 7 is the process flow diagram of positioner manufacturing method of the present invention.
Be the explanation of main Reference numeral in the Figure of description of the present invention below:
1---the right semicanal of bending-torsional non-linear variable-diameter 2---left semicanal 3---
4---the recessed tire rebounds of recessed tire mould board 5---protruding tire mould board 6---
7---the protruding tire rebounds of recessed tire base plate 8---protruding tire base plate 9---
10---cutting plane
Embodiment
Below in conjunction with the drawings and specific embodiments positioner manufacturing method of the present invention is described in further detail.
Utilize step that the method for making of bending variable-diameter tube pressed mould of the present invention makes bending-torsional non-linear variable-diameter 1 as shown in Figure 1 as shown in Figure 7, mainly may further comprise the steps:
At first, practical set situation according to tubular element, in AutoCAD2007, set up three-dimensional entity model, earlier in the model space in key position several member section shapes of drawing, use " SOFT " order again, each cross section is linked up is 3D solid, thereby finishes the three-dimensional entity model of creating tubular element, shown among Fig. 7 701, this three-dimensional entity model as shown in Figure 2;
If length of tube is longer, can be by the sectional making mold, that is: above-mentioned three-dimensional entity model is divided into several sections, its every segment length is preferably about 2m, is two thinkings of suppressing respectively by every section branch bending pipe, subdivision model is two parts, the somatotype curved surface that draws earlier is divided into left and right sides two parts with the somatotype curved surface with model with " SLICE " order in AutoCAD2007, remember shown in 702 as affix among Fig. 7, produce left semicanal 2 and right semicanal 3, as shown in Figure 3;
By tube hub is reference, determines that a plane is the mold base plate plane, and local coordinate system is located on this plane, every 50 millimeter one of the length bending tube hub line five equilibrium of naming a person for a particular job, writes down these three-dimensional coordinates at local coordinate system respectively, shown among Fig. 7 703;
Be reference with above-mentioned measuring point respectively, to cut left and right semicanal as cutting plane 10, extract the profile geometric figure of section, shown among Fig. 7 704 perpendicular to the mold base plate plane, promptly obtain the geometric figure of recessed tire mould board 4 of tube pressed mould and protruding tire mould board 5, as shown in Figure 4;
As shown in Figure 5 and Figure 6, utilize the data of the mould board of above-mentioned steps extraction, on numerical control cutting machine, accurately cut out thick recessed tire mould board 4 of 30mm and protruding tire mould board 5 pattern curves, and polish the transition groove, shown among Fig. 7 705; By the three-dimensional coordinate data difference anchor tire mould board 4 and the locus of protruding tire mould board 5 on recessed tire base plate 7 of mold and protruding tire base plate 8 of above-mentioned measuring point, shown among Fig. 7 706; Every interval 50mm millimeter on recessed tire and protruding tire base plate, be arranged vertically recessed tire mould board and protruding tire mould board respectively, mould board is opened two-sided 30 ° of grooves with the base plate joint face, base plate during welding is because asymmetric welding, be easy to generate distortion, weld again after preferably adopting the rigid fixation fixed base plate, the interval becomes recessed tire rebound 6 and protruding tire rebound 9 to carry out smooth transition with the steel plate bending of 10mm, rebound leaves 30 ° of grooves of single face with the mould board joint face, and above-mentioned rebound and mould board be welded as a whole, moulding face polishes smooth, with mould board, rebound is welded on the mold base plate, thereby finish the making of tube pressed mould, shown in 707 among Fig. 7.
Involved NC cutting equipment can adopt the numerical control cutting machine of SKG series among the present invention.
Although in conjunction with the accompanying drawings the present invention has been carried out foregoing description; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; under the situation that does not break away from aim of the present invention, can also make a lot of distortion, these all belong to the row of protection of the present invention.
Claims (6)
1. the method for making of a bending-torsional non-linear variable-diameter tube pressed mould is characterized in that, may further comprise the steps:
Utilize computer aided design software to create the three-dimensional entity model of bending-torsional non-linear variable-diameter;
The described model of subdivision is two parts, and the somatotype curved surface that draws, thereby described model is divided into left and right sides two parts, produces left and right semicanal; With above-mentioned bending-torsional non-linear variable-diameter center is reference, determines that a plane is the mold base plate plane, makes Along ent on above-mentioned bending-torsional non-linear variable-diameter center line, and writes down the three-dimensional coordinate of above-mentioned each Along ent; With each Along ent is reference, cuts left and right semicanal on perpendicular to the mold base plate plane, extracts the profile geometric figure of section, promptly obtains the geometric figure of recessed tire of tube pressed mould and protruding tire mould board;
According to the data of extracting, utilize NC cutting equipment to cut out above-mentioned recessed tire and protruding tire mould board shape, and polish the transition groove; Three-dimensional coordinate data difference anchor tire and the locus of protruding tire mould board on the mold base plate by each Along ent; Make recessed tire rebound and protruding tire rebound, and recessed tire rebound and recessed tire mould board are welded as first integral body, protruding tire rebound and protruding tire mould board are welded as second integral body, then described first and second integral body are welded on respectively on the mold base plate, thereby finish tube pressed mould.
2. the method for making of bending-torsional non-linear variable-diameter tube pressed mould according to claim 1 is characterized in that, described computer aided design software adopts the AutoCAD software package.
3. the method for making of bending-torsional non-linear variable-diameter tube pressed mould according to claim 1 is characterized in that, described NC cutting equipment is the numerical control cutting machine of SKG series.
4. the method for making of bending-torsional non-linear variable-diameter tube pressed mould according to claim 1 is characterized in that, before the described model of subdivision, described three-dimensional entity model is divided into plurality of sections, and its every segment length is 2 meters.
5. the method for making of bending-torsional non-linear variable-diameter tube pressed mould according to claim 1 is characterized in that, the distance between the adjacent described Along ent is 50 millimeters.
6. the method for making of bending-torsional non-linear variable-diameter tube pressed mould according to claim 1 is characterized in that, described recessed tire rebound and protruding tire rebound all form with 10 millimeters steel plate bendings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101504706A CN100474191C (en) | 2007-11-28 | 2007-11-28 | Bending-torsional non-linear variable-diameter tube pressed mould manufacture method |
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| CNB2007101504706A CN100474191C (en) | 2007-11-28 | 2007-11-28 | Bending-torsional non-linear variable-diameter tube pressed mould manufacture method |
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| CN101169645A CN101169645A (en) | 2008-04-30 |
| CN100474191C true CN100474191C (en) | 2009-04-01 |
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| CNB2007101504706A Expired - Fee Related CN100474191C (en) | 2007-11-28 | 2007-11-28 | Bending-torsional non-linear variable-diameter tube pressed mould manufacture method |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476395B (en) * | 2009-02-06 | 2010-12-01 | 北京首钢建设集团有限公司 | Bending assembly construction method for space curved surface special-shaped spiral steel pipe casing structure |
| CN103111529B (en) * | 2013-03-20 | 2015-03-11 | 沈阳飞机工业（集团）有限公司 | Machining method of U-shaped sheet metal part resilience mould tire |
| CN105290474A (en) * | 2015-07-16 | 2016-02-03 | 东北大学 | Milling method and device for single straight-grained curved-surface blade of small-diameter closed 3-D impeller |
| CN105921953B (en) * | 2016-06-16 | 2018-04-17 | 沈阳飞机工业（集团）有限公司 | The numerical-control processing method of more curved face type tires |
| CN109340482A (en) * | 2018-12-03 | 2019-02-15 | 天津城建大学 | A kind of quickly dismantled variable diameter air hose coupling |
| CN112102435B (en) * | 2020-09-24 | 2023-08-01 | 安徽文香科技股份有限公司 | Method, device, equipment and storage medium for drawing geometric figure |
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