CN109513830A - The model of solid-drawn hemispherical dome and its method for drawing hemispherical dome - Google Patents
The model of solid-drawn hemispherical dome and its method for drawing hemispherical dome Download PDFInfo
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- CN109513830A CN109513830A CN201811457699.9A CN201811457699A CN109513830A CN 109513830 A CN109513830 A CN 109513830A CN 201811457699 A CN201811457699 A CN 201811457699A CN 109513830 A CN109513830 A CN 109513830A
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- model
- hemispherical dome
- iron sheet
- annulus
- round steel
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- 238000000034 method Methods 0.000 title claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 76
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 229910052742 iron Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000003466 welding Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The method that the present invention proposes a kind of model of solid-drawn hemispherical dome and its draws hemispherical dome, the model is the skeleton that angle steel, round steel are welded into, top is annulus, and bottom is rectangle frame, is supported between four right angles of annulus and rectangle frame by connecting more round steel.After the completion of modelling, by the expansion shape of iron sheet needed for hemispherical dome, measure, iron sheet is obtained；Two fillet edges are welded.It for the iron sheet of different-thickness, is allowed to form using the mode that the mode or mechanical external force tapped by hand is drawn, welds upper lower flange later, hemispherical dome completes.The beneficial effects of the present invention are: model skeleton is integral type weldment, suitable for the place of less demanding to hemispherical dome finished product accuracy, hemispherical dome gradual change adapter tube can be gone out with Defect, improves producing efficiency.
Description
Technical field
The invention belongs to metal plate manufacture technology fields, are related to a kind of model and method for making hemispherical dome gradual change adapter tube.
Background technique
Hemispherical dome is a kind of pipe fitting of mouth side under circle suitable for reading, and the gradual change frequently as ventilating engineering is taken over.It is a kind of wide
The general main component for being applied to ventilation, rectangular duct in supply air system, circular air channel transition.It is big that its production is broken generally into eight
Then block, i.e. four pieces of arc panels and four pieces of triangular plates are fabricated by press machine bending splicing.However it is wanted in some precision
In the case where asking not high, production technology not convenient, how easy, quick Fabrication goes out hemispherical dome gradual change adapter tube, be have it is to be solved
The technical issues of.
Summary of the invention
Object of the present invention is to propose one kind in the case where certain live processing conditions do not have or required precision is not high
The method for facilitating the model of production hemispherical dome and its drawing hemispherical dome.
The technical scheme is that a kind of model of solid-drawn hemispherical dome, which is that angle steel, round steel are welded into
Skeleton, middle and upper part is that annulus is made in both ends welding after round steel bending, and bottom is four angle steel composition rectangle frame from beginning to end,
There are difference in height, the center of circle of annulus and the line of the cornerwise intersection point of rectangle frame and rectangle circle face, annulus between annulus and rectangle frame
Anchor ring is vertical, is supported between four right angles of annulus and rectangle frame by connecting more round steel, a pull rod is welded on annulus.
Round steel is φ 30mm round steel, 50 angle steel of ∠, and the round steel between four right angles of annulus and rectangle frame has 8, a round steel
A round steel between right angle adjacent with rectangle frame forms isosceles triangle.
Further, in the diagonally welding round steel of rectangle frame, with reinforcement structure integral strength.
A method of drawing hemispherical dome, 1) production model described in claim 1；2) by the way that day circle is calculated
The expansion shape of iron sheet needed for place, size obtain iron sheet by shape, measure；3) two fillet edges are welded
It connects；4) when thickness of scale in 2mm hereinafter, model is laid flat, the big mouth down of iron sheet that closing is welded, from model skeleton
Side, is inserted in one section of depth, a hand holds iron sheet at this time, and another hand is beaten around iron sheet with hand hammer, makes iron from top to bottom
Skin gradually falls according to mould shapes, and with the complete docile of skeleton, then weld the circle of upper and lower opening, square flange, day is circularly
Side completes.
When edge symmetrically respectively welding one nut or lifting of the thickness of scale in 2mm or more, on the disconnected boundary of iron sheet
Ring lays flat model skeleton, and the big mouth down of iron sheet that closing is welded is inserted in from top to bottom above model skeleton, uses steel
After cord I passes through the pull rod above model, model is hung on electric hoist hook, II both ends of wirerope fasten snap ring respectively,
With two wirerope II, one with snap ring is stuck in nut or hoisting ring, other end are stuck in ground fixed ring, two wirerope II
Prolonging direction is symmetrical, and the traction force for two wirerope II for being subject to iron sheet is uniform, after the completion of above-mentioned preparation, slow raising
Iron sheet is gradually bonded by force with model skeleton with external force, is tapped in the process using hand hammer by electric hoist, helps to form, it
It can weld circle, the square flange of upper and lower opening afterwards, hemispherical dome completes.
The beneficial effects of the present invention are: model skeleton is integral type weldment, suitable for wanting to hemispherical dome finished product accuracy
Not high place is asked, hemispherical dome gradual change adapter tube can be gone out with Defect, improves producing efficiency.
Detailed description of the invention
Fig. 1 is the model skeleton structure schematic top plan view to complete；
Fig. 2 is the iron sheet that blanking is completed；
In figure: AB, BC, CD, AD are 50 angle steel of ∠, and circle O is 30 round steel of φ, and AE, AF, BF, BG, CG, CH, DH, DE are the circle of φ 30
Two 30 round steel of φ of AC, BD are arranged at steel, bottom, and the EG of circle O is pull rod.
Specific embodiment
It comprises the concrete steps that:
1, according to one set of model skeleton of each dimensions of the hemispherical dome of target size welding, (this sentences production φ suitable for reading
300, lower mouth 800*550, for the hemispherical dome of H=533, model skeleton is as shown in Figure 1), wherein AB, BC, CD, AD ∠
50 angle steel, circle O are 30 round steel of φ, and AE, AF, BF, BG, CG, CH, DH, DE are 30 round steel of φ, two circles of φ 30 of AC, BD are arranged at bottom
Steel is to reinforcement structure integral strength.
2, according to the expansion shape by iron sheet needed for hemispherical dome is calculated, size, by under expansion shape, size
Material, obtains iron sheet (as shown in Figure 2).
3, the K point and M of the iron sheet in Fig. 2 are spot welded, J point and N are spot welded, and are taken a little among MN, welding.
4, for the iron sheet of different-thickness, using different methods.If thickness of scale is in 2mm hereinafter, and only needing to make
At one or two, model skeleton is laid flat, the big mouth down of iron sheet that closing is welded is covered from top to bottom above model skeleton
Enter certain depth, a hand holds iron sheet at this time, and another hand is beaten around iron sheet with hand hammer, makes iron sheet according to skeleton shape
Shape gradually falls, and with the complete docile of skeleton, can be fabricated in this way, then weld the circle of upper and lower opening, square flange.
If thickness of scale is 2mm or more, and when the hemispherical dome for needing to make is multiple, need in Fig. 2 iron sheet X
Point, Y point respectively weld a nut or hoisting ring.Model skeleton is laid flat, the big mouth down of iron sheet that closing is welded, from model
Above skeleton, it is inserted in from top to bottom.After passing through the pull rod above model with wirerope I, model is hung on electric hoist hook,
II both ends of wirerope fasten snap ring or hook respectively, and with two wirerope II, one is stuck in nut or hoisting ring, another with snap ring
Head is stuck in ground fixed ring or ground fixed hook, and the prolonging direction of two wirerope II is symmetrical, two steel wires for being subject to iron sheet
The traction force of rope II is uniform.After the completion of above-mentioned preparation, slow raising electric hoist, with external force gradually by iron sheet and model skeleton
It is bonded, is tapped in the process using hand hammer by force, help to form, can weld circle, the square flange of upper and lower opening, day circle later
Place completes.
The case where hemispherical dome described in this embodiment is 8 crest lines in side, for different use demands, can similarly make
Make the hemispherical dome of different crest lines, therefore, other crest lines quantity are different, but model is integrally similar or the identical model of method, side
Formula is also regarded as within the interest field of this patent.
Claims (5)
1. a kind of model of solid-drawn hemispherical dome, it is characterized in that: the model is the skeleton that angle steel, round steel are welded into, wherein
Top is that annulus is made in both ends welding after round steel bending, and bottom is four angle steel composition rectangle frame from beginning to end, annulus and rectangle
There is difference in height between frame, the center of circle of annulus and the line of the cornerwise intersection point of rectangle frame and rectangle circle face, circular annulus are vertical,
It is supported between four right angles of annulus and rectangle frame by connecting more round steel, a pull rod is welded on annulus.
2. a kind of model of solid-drawn hemispherical dome as described in claim 1, it is characterized in that: round steel is φ 30mm round steel,
50 angle steel of ∠, the round steel between four right angles of annulus and rectangle frame have 8, a circle between round steel right angle adjacent with rectangle frame
Steel forms isosceles triangle.
3. a kind of model of solid-drawn hemispherical dome as described in claim 1, it is characterized in that: in the diagonally weldering of rectangle frame
Round steel is connect, with reinforcement structure integral strength.
4. a kind of method for drawing hemispherical dome, it is characterized in that: 1) making model described in claim 1；2) by calculating
The expansion shape of iron sheet needed for hemispherical dome, size out obtain iron sheet by shape, measure；3) by two fillet sides
Along welding；4) when thickness of scale in 2mm hereinafter, model is laid flat, the big mouth down of iron sheet that closing is welded, from model skeleton
One section of depth is inserted in top from top to bottom, and a hand holds iron sheet at this time, and another hand is beaten around iron sheet with hand hammer, made
Iron sheet gradually falls according to mould shapes, and with the complete docile of skeleton, then weld the circle of upper and lower opening, square flange, day circle
Place completes.
5. a kind of method for drawing hemispherical dome, it is characterized in that: 1) making model described in claim 1；2) by calculating
The expansion shape of iron sheet needed for hemispherical dome, size out obtain iron sheet by shape, measure；3) by two boundary edges along weldering
It connects；4) when thickness of scale is in 2mm or more, a nut or hoisting ring are symmetrically respectively welded at the edge on the disconnected boundary of iron sheet,
Model skeleton is laid flat, the big mouth down of iron sheet that closing is welded is inserted in from top to bottom above model skeleton, uses steel wire
After rope I passes through the pull rod above model, model is hung on electric hoist hook, II both ends of wirerope fasten snap ring respectively, use
Two wirerope II, one with snap ring is stuck in nut or hoisting ring, other end are stuck in ground fixed ring, and two wirerope II are stretched
Length direction is symmetrical, and the traction force for two wirerope II for being subject to iron sheet is uniform, after the completion of above-mentioned preparation, slow raising electricity
Iron sheet is gradually bonded by force with model skeleton with external force, is tapped in the process using hand hammer by cucurbit, helps to form, later
Circle, the square flange of upper and lower opening are welded, hemispherical dome completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457699.9A CN109513830B (en) | 2018-11-30 | 2018-11-30 | Model for integrally drawing dome and method for drawing dome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457699.9A CN109513830B (en) | 2018-11-30 | 2018-11-30 | Model for integrally drawing dome and method for drawing dome |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109513830A true CN109513830A (en) | 2019-03-26 |
| CN109513830B CN109513830B (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811457699.9A Expired - Fee Related CN109513830B (en) | 2018-11-30 | 2018-11-30 | Model for integrally drawing dome and method for drawing dome |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756617A (en) * | 2019-09-11 | 2020-02-07 | 广东韶钢工程技术有限公司 | Method for machining special-shaped reducer pipe through three-dimensional die |
| CN111331317A (en) * | 2020-01-17 | 2020-06-26 | 中国一冶集团有限公司 | Method for manufacturing hemispherical dome-shaped and square-shaped connecting piece |
| CN113369821A (en) * | 2021-06-28 | 2021-09-10 | 中通钢构股份有限公司 | Ceiling-circle-and-square-place construction process for waste heat recovery ventilation pipeline |
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| US6431611B1 (en) * | 1999-06-03 | 2002-08-13 | Builder's Best, Inc. | Two piece universal elbow |
| CN102172821A (en) * | 2011-03-21 | 2011-09-07 | 中国一冶集团有限公司 | Method for manufacturing adapting piece with round top and square bottom |
| CN103317300A (en) * | 2012-03-21 | 2013-09-25 | 五冶集团上海有限公司 | Manufacturing method of simple square-round diameter varying pipe |
| CN204358266U (en) * | 2014-12-18 | 2015-05-27 | 天津中际装备制造有限公司 | The hemispherical dome component of minor diameter round mouth |
| CN106425334A (en) * | 2016-12-14 | 2017-02-22 | 上海振华重工(集团)股份有限公司 | Manufacturing method for round-top and square-bottom steel structure |
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| CN207480044U (en) * | 2017-07-12 | 2018-06-12 | 中国电建集团核电工程公司 | Circumference section global formation producing device |
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2018
- 2018-11-30 CN CN201811457699.9A patent/CN109513830B/en not_active Expired - Fee Related
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| CN103317300A (en) * | 2012-03-21 | 2013-09-25 | 五冶集团上海有限公司 | Manufacturing method of simple square-round diameter varying pipe |
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| CN106425334A (en) * | 2016-12-14 | 2017-02-22 | 上海振华重工(集团)股份有限公司 | Manufacturing method for round-top and square-bottom steel structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756617A (en) * | 2019-09-11 | 2020-02-07 | 广东韶钢工程技术有限公司 | Method for machining special-shaped reducer pipe through three-dimensional die |
| CN111331317A (en) * | 2020-01-17 | 2020-06-26 | 中国一冶集团有限公司 | Method for manufacturing hemispherical dome-shaped and square-shaped connecting piece |
| CN113369821A (en) * | 2021-06-28 | 2021-09-10 | 中通钢构股份有限公司 | Ceiling-circle-and-square-place construction process for waste heat recovery ventilation pipeline |
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| Publication number | Publication date |
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| CN109513830B (en) | 2020-07-10 |
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Granted publication date: 20200710 |