CN105880943A - Forming method for large space curved face plate - Google Patents

Forming method for large space curved face plate Download PDF

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Publication number
CN105880943A
CN105880943A CN201610298085.5A CN201610298085A CN105880943A CN 105880943 A CN105880943 A CN 105880943A CN 201610298085 A CN201610298085 A CN 201610298085A CN 105880943 A CN105880943 A CN 105880943A
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China
Prior art keywords
curved slab
unit
structure chart
surface plate
large space
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CN201610298085.5A
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Chinese (zh)
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CN105880943B (en
Inventor
杨小毅
赵友军
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Xian Coal Mining Machinery Co Ltd
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Xian Coal Mining Machinery Co Ltd
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Priority to CN201610298085.5A priority Critical patent/CN105880943B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

The invention discloses a forming method for a large space curved face plate. The forming method comprises the following steps that a structure chart of the large space curved face plate to be machined is drawn; the structure chart is divided into a plurality of structure chart units; a plane plate is selected according to the structure chart and divided into a plurality of plane plate units; the multiple plane plate units are cut down from the plane plate in sequence; a plurality of curved face plate pressing molds are selected; the curved face plate pressing molds are mounted on a press machine, one plane plate unit is pressed into one curved face plate unit through interaction of the press machine and the curved face plate pressing molds, and the multiple plane plate units are sequentially pressed into the multiple curved face plate units in this manner; and according to the structure chart, the multiple curved face plate units are subjected to butt welding and connected to form the large space curved face plate. According to the forming method, the large space curved face plate is manufactured through a segmentation butt welding manner, the problem that the requirements for the power and size of the press machine are high is effectively solved, and meanwhile cost is reduced.

Description

A kind of forming method of large space curved slab
Technical field
The invention belongs to space curved surface type plate parts processing technique field, be specifically related to a kind of large-scale sky Between the forming method of curved slab.
Background technology
The generally uniform thickness plate parts of space curved surface shape, uses mould die mould, then carries out during manufacture The process of periphery machine-shaping, it may be assumed that the first step, first carries out space curved surface launching (some song The expansion in face is approximation), become the plane of definite shape size;Second step, by this plane Shape, periphery is put certain surplus, is used flat sheet blanking;3rd step, by the surface plate after high-volume Material, carries out die mould (mould is arranged on forcing press, can suitably heat) on speciality mould;4th Step, periphery is processed.This method is applicable to such less part.Be stressed the impact of acc power, If the set size of such part exceeded forcing press can the permission physical dimension of installation mold, or During die mould, power demand has exceeded the allowed band of forcing press, then this technique is difficult to.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, it is provided that a kind of large space is bent The forming method of panel.This forming method makes large space curved surface by the way of Segmented butt-welding Plate, effectively solves the problem higher to forcing press power and dimensional requirement, also saves into simultaneously This.
For achieving the above object, the technical solution used in the present invention is: a kind of large space curved slab Forming method, it is characterised in that comprise the following steps:
Step one, draw the structure chart of large space curved slab to be processed;
Step 2, described structure chart is divided into multiple structure chart unit;
Step 3, choose surface plate according to described structure chart, and described surface plate is divided into multiple flat Panel unit, multiple described surface plate unit and multiple described structure chart unit one_to_one corresponding;
Step 4, multiple described surface plate unit are cut down successively from described surface plate;
Step 5, choosing multiple curved slab compacting tool set, described curved slab compacting tool set is for by described Surface plate unit is compressed to the true form corresponding to structure chart unit, multiple described curved slab pressing dies Tool and multiple described structure chart unit one_to_one corresponding;
Step 6, described curved slab compacting tool set is arranged on forcing press, by forcing press and described Curved slab compacting tool set cooperates and a described surface plate unit is pressed into a curved slab unit, And in this way multiple described surface plate unit are pressed into multiple curved slab unit according to this;
Step 7, according to described structure chart, multiple described curved slab unit weldings are connected into large-scale sky Between curved slab, i.e. complete the molding of large space curved slab.
The forming method of above-mentioned a kind of large space curved slab, it is characterised in that: carrying out step 7 Time, the welding being completed multiple described curved slab unit by tailor-welding tool is connected.
The forming method of above-mentioned a kind of large space curved slab, it is characterised in that: described tailor-welding tool Including pedestal and the multiple support columns being arranged on described pedestal, the upper surface of described support column is and treats The shape of welding curved slab unit is suitable, described pedestal is provided with at least one for by adjacent two The welding pillar that individual described curved slab unit welding connects, the upper surface of described welding pillar and adjacent two The shape of individual described curved slab unit is suitable.
The forming method of above-mentioned a kind of large space curved slab, it is characterised in that: to multiple described knots Patterning unit, multiple described surface plate unit and multiple described curved slab compacting tool set are compiled respectively Number, the numbering of described structure chart unit, the numbering of described surface plate unit and described curved slab pressing die The numbering one_to_one corresponding of tool.
The forming method of above-mentioned a kind of large space curved slab, it is characterised in that: cut in step 4 When cutting described surface plate unit, it is ensured that cutting tool is perpendicular with described surface plate.
The forming method of above-mentioned a kind of large space curved slab, it is characterised in that: after step 4, Bevel for welding is made on described surface plate unit.
The forming method of above-mentioned a kind of large space curved slab, it is characterised in that: described structure chart is The analogous diagram drawn with computer drawing software.
The forming method of above-mentioned a kind of large space curved slab, it is characterised in that: described structure chart is The axonometric chart of manual drawing.
The present invention compared with prior art has the advantage that
1, the present invention by cutting into multiple surface plate unit by surface plate, the most again to multiple planes Slab element carries out compacting respectively and forms multiple curved slab unit, the most again by multiple described curved slab unit Carrying out welding connection, thus form large space curved slab, it can effectively solve the problem that manufacture is large-scale curved Plate part needs more large scale or the problem of high-power forcing press, i.e. by small size and small-power pressure Surface plate unit just can be pressed into curved slab unit by machine, then by multiple by the way of welding connects Curved slab unit spliced becomes large space curved slab.It effectively solves forcing press power and size Require higher problem, also save cost simultaneously.
2, the present invention by by the numbering of described structure chart unit, the numbering of described surface plate unit and The numbering one_to_one corresponding of described curved slab compacting tool set, it is to avoid structure chart unit, surface plate unit and song Panel compacting tool set does not has correspondence deviation occur, and then affects carrying out in order of this forming method.
3, the present invention is in the step that welding connects, by arranging tailor-welding tool, it is possible to facilitate described song Panel unit effectively supports, thus the welding completing multiple described curved slab unit connects.
4, in the present invention, multiple described surface plate unit are cut down successively from described surface plate Step in, by assuring that cutting tool is perpendicular with surface plate, and then the otch on surface plate of going bail for Perpendicular with described surface plate, and then it is convenient to connect offer for follow-up welding.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the present invention.
Fig. 2 is the structural representation of tailor-welding tool of the present invention.
Fig. 3 is the use view of tailor-welding tool of the present invention.
Description of reference numerals:
1 pedestal;2 support columns;3 welding pillars;
4 curved slab unit;5 welding positions.
Detailed description of the invention
The forming method of a kind of large space curved slab as shown in Figure 1, comprises the following steps:
Step one, draw the structure chart of large space curved slab to be processed;
Step 2, described structure chart is divided into multiple structure chart unit;
Step 3, choose surface plate according to described structure chart, and described surface plate is divided into multiple flat Panel unit, multiple described surface plate unit and multiple described structure chart unit one_to_one corresponding;
Step 4, multiple described surface plate unit are cut down successively from described surface plate;
Step 5, choosing multiple curved slab compacting tool set, described curved slab compacting tool set is for by described Surface plate unit is compressed to the true form corresponding to structure chart unit, multiple described curved slab pressing dies Tool and multiple described structure chart unit one_to_one corresponding;
Step 6, described curved slab compacting tool set is arranged on forcing press, by forcing press and described Curved slab compacting tool set cooperates and a described surface plate unit is pressed into a curved slab unit, And in this way multiple described surface plate unit are pressed into multiple curved slab unit according to this;
Step 7, according to described structure chart, multiple described curved slab unit weldings are connected into large-scale sky Between curved slab, i.e. complete the molding of large space curved slab.
In the present embodiment, this forming method by cutting into multiple surface plate unit, then by surface plate Multiple surface plate unit are carried out respectively compacting again and forms multiple curved slab unit, the most again by multiple institutes Stating curved slab unit and carry out welding connection, thus form large space curved slab, it can effectively solve the problem that Manufacture large-scale curved plate part and need more large scale or the problem of high-power forcing press, i.e. pass through small size Surface plate unit just can be pressed into small-power forcing press curved slab unit, then connected by welding Mode multiple curved slab unit spliceds are become large space curved slab.It effectively solves pressure Acc power and the higher problem of dimensional requirement, also save cost simultaneously.
In the present embodiment, in step one, described structure chart is with imitating that computer drawing software is drawn True figure, the computer drawing software used can be Proe, Solidworks or AotuCAD, adopts The drafting efficiency of described structure chart is improve with computer drawing software.It addition, described structure chart also may be used To be the axonometric chart of manual drawing.This manual drawing effectively can be mended as a kind of of computer graphics Fill mode.
In the present embodiment, to multiple described structure chart unit, multiple described surface plate unit and multiple institute State curved slab compacting tool set to be numbered respectively, the numbering of described structure chart unit, described surface plate list The numbering of unit and the numbering one_to_one corresponding of described curved slab compacting tool set.I.e. when described structure chart unit Numbered figure unit 1, figure unit 2, figure unit 3 ... time, the numbered plate of described surface plate unit Unit 1, Slab element 2, Slab element 3 ..., and the numbered mould of described curved slab compacting tool set 1, mould 2, mould 3 ..., wherein, figure unit 1, Slab element 1 and mould 1 one_to_one corresponding, figure Unit 2, Slab element 2 and mould 2 one_to_one corresponding, the rest may be inferred, it is ensured that described structure chart unit Numbering, the numbering of described surface plate unit and the numbering one_to_one corresponding of described curved slab compacting tool set, keep away Exempting from structure chart unit, surface plate unit and curved slab compacting tool set does not has correspondence deviation occur, and then Affect carrying out in order of this forming method.
In the present embodiment, when carrying out step 7, complete multiple described curved slab by tailor-welding tool The welding of unit connects.By arranging described tailor-welding tool, it is possible to facilitate described curved slab unit to carry out Effective support, thus the welding completing multiple described curved slab unit connects.
As shown in Figures 2 and 3, described tailor-welding tool includes pedestal 1 and is arranged on described pedestal 1 Multiple support columns 2, the upper surface of described support column 2 is and the shape of curved slab unit 4 to welding Shape is suitable, described pedestal 1 is provided with at least one for by adjacent two described curved slab unit The welding pillar 3 that 4 weldings connect, the upper surface of described welding pillar 3 and adjacent two described curved surfaces The shape of Slab element 4 is suitable.
In the present embodiment, described tailor-welding tool in use, by curved slab unit 4 and support column 2 Upper surface contact coordinates, and makes support column 2 that described curved slab unit 4 to provide effective support, then will Adjacent two curved slab unit 4 are docked so that it is welding position 5 is placed exactly in described welding pillar 3 On, and guarantee that adjacent two curved slab unit 4 fit tightly with the upper surface of welding pillar 3, for spelling The weldering ready work of operation.
In the present embodiment, the quantity of described support column 2 is three, and the quantity of described welding pillar 3 is one Individual, in actual use, support column 2 He can be laid according to the shapes and sizes of curved slab unit 4 Welding pillar 3.
In the present embodiment, when step 4 is cut described surface plate unit 4, it is ensured that cutting tool with Described surface plate is perpendicular.After step 4, described surface plate unit makes bevel for welding.Pass through Guarantee that cutting tool is perpendicular with described surface plate, and then the otch gone bail on described surface plate is with described Surface plate is perpendicular, and then it is convenient to connect offer for follow-up welding.Meanwhile, by surface plate list Make bevel for welding in unit, facilitate follow-up welding operation.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, all It is any simple modification, change and equivalence above example made according to the technology of the present invention essence Reconfiguration, all still falls within the protection domain of technical solution of the present invention.

Claims (8)

1. the forming method of a large space curved slab, it is characterised in that comprise the following steps:
Step one, draw the structure chart of large space curved slab to be processed;
Step 2, described structure chart is divided into multiple structure chart unit;
Step 3, choose surface plate according to described structure chart, and described surface plate is divided into multiple flat Panel unit, multiple described surface plate unit and multiple described structure chart unit one_to_one corresponding;
Step 4, multiple described surface plate unit are cut down successively from described surface plate;
Step 5, choosing multiple curved slab compacting tool set, described curved slab compacting tool set is for by described Surface plate unit is compressed to the true form corresponding to structure chart unit, multiple described curved slab pressing dies Tool and multiple described structure chart unit one_to_one corresponding;
Step 6, described curved slab compacting tool set is arranged on forcing press, by forcing press and described Curved slab compacting tool set cooperates and a described surface plate unit is pressed into a curved slab unit, And in this way multiple described surface plate unit are pressed into multiple curved slab unit according to this;
Step 7, according to described structure chart, multiple described curved slab unit weldings are connected into large-scale sky Between curved slab, i.e. complete the molding of large space curved slab.
2., according to the forming method of a kind of large space curved slab described in claim 1, its feature exists In: when carrying out step 7, complete the welding of multiple described curved slab unit even by tailor-welding tool Connect.
3., according to the forming method of a kind of large space curved slab described in claim 3, its feature exists In: described tailor-welding tool includes pedestal and the multiple support columns being arranged on described pedestal, described support The upper surface of post is suitable with the shape of curved slab unit to welding, and described pedestal is provided with at least One for the welding pillar adjacent two described curved slab unit weldings connected, described welding pillar Upper surface suitable with the shape of adjacent two described curved slab unit.
4., according to the forming method of a kind of large space curved slab described in claim 1, its feature exists In: multiple described structure chart unit, multiple described surface plate unit and multiple described curved slab are suppressed Mould is numbered respectively, the numbering of described structure chart unit, the numbering of described surface plate unit and institute State the numbering one_to_one corresponding of curved slab compacting tool set.
5., according to the forming method of a kind of large space curved slab described in claim 1, its feature exists In: when cutting described surface plate unit in step 4, it is ensured that cutting tool hangs down mutually with described surface plate Directly.
6., according to the forming method of a kind of large space curved slab described in claim 5, its feature exists In: after step 4, described surface plate unit makes bevel for welding.
7., according to the forming method of a kind of large space curved slab described in claim 1, its feature exists In: described structure chart is the analogous diagram drawn with computer drawing software.
8., according to the forming method of a kind of large space curved slab described in claim 1, its feature exists In: described structure chart is the axonometric chart of manual drawing.
CN201610298085.5A 2016-05-06 2016-05-06 A kind of forming method of large space curved slab Active CN105880943B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107962352A (en) * 2017-11-21 2018-04-27 中船黄埔文冲船舶有限公司 A kind of forming method of bumping pad curved slab
CN110625344A (en) * 2019-11-21 2019-12-31 中国航空制造技术研究院 Method for manufacturing curved surface component with unequal wall thickness
CN111992995A (en) * 2020-08-24 2020-11-27 成都市龙泉通惠实业有限责任公司 Production method of automobile rear wheel cover

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107962352A (en) * 2017-11-21 2018-04-27 中船黄埔文冲船舶有限公司 A kind of forming method of bumping pad curved slab
CN110625344A (en) * 2019-11-21 2019-12-31 中国航空制造技术研究院 Method for manufacturing curved surface component with unequal wall thickness
CN110625344B (en) * 2019-11-21 2020-03-17 中国航空制造技术研究院 Method for manufacturing curved surface component with unequal wall thickness
CN111992995A (en) * 2020-08-24 2020-11-27 成都市龙泉通惠实业有限责任公司 Production method of automobile rear wheel cover

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Address after: 710200 No. 7, Middle Section of Jingpu Road, Jingwei New City, Jingkai District, Xi'an City, Shaanxi Province

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