CN105880943B - A kind of forming method of large space curved slab - Google Patents

A kind of forming method of large space curved slab Download PDF

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Publication number
CN105880943B
CN105880943B CN201610298085.5A CN201610298085A CN105880943B CN 105880943 B CN105880943 B CN 105880943B CN 201610298085 A CN201610298085 A CN 201610298085A CN 105880943 B CN105880943 B CN 105880943B
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structure chart
curved slab
surface plate
units
welding
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CN105880943A (en
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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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    • 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 kind of forming methods of large space curved slab, include the following steps:Draw the structure chart of large space curved slab to be processed;Structure chart is divided into multiple structure chart units;Surface plate is chosen according to structure chart, and surface plate is divided into multiple plane plate units;Multiple plane plate units are successively cut down from surface plate;Choose multiple curved slab compacting tool sets;Curved slab compacting tool set is mounted on press machine, is cooperated by press machine and curved slab compacting tool set and a plane plate unit is pressed into a curved surface plate unit, and multiple plane plate units are pressed into multiple curved surface plate units according to this in this way;According to structure chart, multiple curved surface plate unit weldings are connected into large space curved slab.The forming method makes large space curved slab by way of Segmented butt-welding, the effective solution problem more demanding to press machine power and size, while also saving cost.

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 fields, and in particular to a kind of large space curved slab Forming method.
Background technique
The uniform thickness plate parts of usual space curved surface shape, when manufacture, use mold die mould, then carry out periphery and are processed into The process of type, i.e.,:Space curved surface is first unfolded (expansion of some curved surfaces is approximate), is become by the first step The plane of certain shapes size;Second step, by this flat shape, certain surplus is put on periphery, with flat sheet blanking;Third Flat sheet after high-volume is carried out die mould (mold is mounted on press machine, can suitably be heated) on speciality mold by step;The Four steps, periphery processing.This method is suitable for such lesser part.It is influenced by press machine power, if such part Set size when being more than the permission geometric dimension or die mould of the mountable mold of press machine required power be more than press machine Allowed band, then the technique is difficult to realize.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above, a kind of molding of large space curved slab is provided Method.The forming method makes large space curved slab by way of Segmented butt-welding, and effective solution is to press machine function Rate and the more demanding problem of size, while also saving cost.
To achieve the above object, the technical solution adopted by the present invention is that:A kind of forming method of large space curved slab, It is characterized in that, includes the following steps:
Step 1: drawing the structure chart of large space curved slab to be processed;
Step 2: the structure chart is divided into multiple structure chart units;
Step 3: choosing surface plate according to the structure chart, and the surface plate is divided into multiple plane plate units, it is more A plane plate unit and multiple structure chart units correspond;
Step 4: multiple plane plate units are successively cut down from the surface plate;
Step 5: choosing multiple curved slab compacting tool sets, the curved slab compacting tool set is used for the plane plate unit It is compressed to true form corresponding to structure chart unit, multiple curved slab compacting tool sets and multiple structure chart units one One is corresponding;
Step 6: the curved slab compacting tool set is mounted on press machine, suppressed by press machine and the curved slab Mold, which cooperates, is pressed into a curved surface plate unit for a plane plate unit, and in this way by multiple planes Plate unit is pressed into multiple curved surface plate units according to this;
Step 7: multiple curved surface plate unit weldings are connected into large space curved slab, i.e., according to the structure chart Complete the molding of large space curved slab.
A kind of forming method of above-mentioned large space curved slab, it is characterised in that:When carrying out step 7, pass through welding Tooling connects to complete the welding of multiple curved surface plate units.
A kind of forming method of above-mentioned large space curved slab, it is characterised in that:The tailor-welding tool include pedestal and Multiple support columns on the pedestal are set, and the upper surface of the support column is mutually to fit with the shape of curved surface plate unit to welding Match, at least one welding pillar for connecting the two neighboring curved surface plate unit welding, institute are provided on the pedestal The upper surface for stating welding pillar is adapted with the shape of the two neighboring curved surface plate unit.
A kind of forming method of above-mentioned large space curved slab, it is characterised in that:To multiple structure chart units, more A plane plate unit and multiple curved slab compacting tool sets are numbered respectively, the number of the structure chart unit, institute The number of the number and the curved slab compacting tool set of stating plane plate unit corresponds.
A kind of forming method of above-mentioned large space curved slab, it is characterised in that:The plane is cut in step 4 When plate unit, it is ensured that cutting tool and the surface plate are perpendicular.
A kind of forming method of above-mentioned large space curved slab, it is characterised in that:After step 4, in the surface plate list Welding groove is made in member.
A kind of forming method of above-mentioned large space curved slab, it is characterised in that:The structure chart is drawn with computer The analogous diagram of figure Software on Drawing.
A kind of forming method of above-mentioned large space curved slab, it is characterised in that:The structure chart is manual drawing Perspective view.
Compared with the prior art, the present invention has the following advantages:
1, the present invention by the way that surface plate is cut into multiple plane plate units, then again to multiple plane plate units respectively into Row compacting forms multiple curved surface plate units, multiple curved surface plate units is finally carried out welding connection again, to form large size Space curved surface plate can effectively solve the problem that the problem of large-scale curved plate part of manufacture needs larger size or high-power press machine, Plane plate unit can be pressed by small size and small-power press machine by curved surface plate unit, then connected by welding Mode is by multiple curved slab unit spliceds at large space curved slab.Its effective solution is to press machine power and size requirement Higher problem, while also saving cost.
2, the present invention is by by the number and the curved slab pressure of the number of the structure chart unit, the plane plate unit The number of molding jig corresponds, and avoids structure chart unit, plane plate unit and curved slab compacting tool set not corresponding and occurs Deviation, and then influence the orderly progress of the forming method.
3, the present invention welding connection the step of in, by be arranged tailor-welding tool, can facilitate the curved surface plate unit into The effective support of row, to complete the welding connection of multiple curved surface plate units.
4, in the present invention, by multiple plane plate units successively from the step of being cut down on the surface plate, lead to Crossing ensures that cutting tool is perpendicular with surface plate, so go bail for the notch on surface plate and the surface plate it is perpendicular, Jin Erwei It is convenient that subsequent welding connection provides.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Fig. 2 is the structural schematic diagram of tailor-welding tool of the present invention.
Fig. 3 is the use state diagram of tailor-welding tool of the present invention.
Description of symbols:
1-pedestal;2-support columns;3-welding pillars;
4-curved surface plate units;5-welding positions.
Specific embodiment
A kind of forming method of large space curved slab as shown in Figure 1, includes the following steps:
Step 1: drawing the structure chart of large space curved slab to be processed;
Step 2: the structure chart is divided into multiple structure chart units;
Step 3: choosing surface plate according to the structure chart, and the surface plate is divided into multiple plane plate units, it is more A plane plate unit and multiple structure chart units correspond;
Step 4: multiple plane plate units are successively cut down from the surface plate;
Step 5: choosing multiple curved slab compacting tool sets, the curved slab compacting tool set is used for the plane plate unit It is compressed to true form corresponding to structure chart unit, multiple curved slab compacting tool sets and multiple structure chart units one One is corresponding;
Step 6: the curved slab compacting tool set is mounted on press machine, suppressed by press machine and the curved slab Mold, which cooperates, is pressed into a curved surface plate unit for a plane plate unit, and in this way by multiple planes Plate unit is pressed into multiple curved surface plate units according to this;
Step 7: multiple curved surface plate unit weldings are connected into large space curved slab, i.e., according to the structure chart Complete the molding of large space curved slab.
In the present embodiment, the forming method is by being cut into multiple plane plate units for surface plate, then again to multiple flat Panel unit carries out compacting respectively and forms multiple curved surface plate units, and multiple curved surface plate units are finally carried out welding company again It connects, to form large space curved slab, can effectively solve the problem that the large-scale curved plate part of manufacture needs larger size or big function Plane plate unit can be pressed into curved surface plate unit by small size and small-power press machine by the problem of rate press machine, Again welding connect by way of by multiple curved slab unit spliceds at large space curved slab.Its effective solution is to pressure Machine power and the more demanding problem of size, while also saving cost.
In the present embodiment, in step 1, the structure chart is the analogous diagram drawn with computer drawing software, is used Computer drawing software can be Proe, Solidworks or AotuCAD, the knot is improved using computer drawing software The drafting efficiency of composition.In addition, the structure chart is also possible to the perspective view of manual drawing.This manual drawing can be used as meter A kind of effective arbitrary way that calculation machine is drawn.
In the present embodiment, to multiple structure chart units, multiple plane plate units and multiple curved slab pressures Molding jig is numbered respectively, the number of the structure chart unit, the number of the plane plate unit and curved slab compacting The number of mold corresponds.I.e. when the number of the structure chart unit is figure unit 1, figure unit 2, figure unit 3 ..., institute The number for stating plane plate unit is plate unit 1, plate unit 2, plate unit 3 ..., and the number of the curved slab compacting tool set For mold 1, mold 2, mold 3 ..., wherein figure unit 1, plate unit 1 and mold 1 correspond, figure unit 2,2 and of plate unit Mold 2 corresponds, and so on, it is ensured that the number of the structure chart unit, the number of the plane plate unit and the song The number of panel compacting tool set corresponds, and structure chart unit, plane plate unit and curved slab compacting tool set is avoided not to correspond to And there is deviation, and then influence the orderly progress of the forming method.
In the present embodiment, when carrying out step 7, the welding of multiple curved surface plate units is completed by tailor-welding tool Connection.By the way that the tailor-welding tool is arranged, the curved surface plate unit can be facilitated effectively to be supported, to complete multiple institutes State the welding connection of curved surface plate unit.
As shown in Figures 2 and 3, the tailor-welding tool includes pedestal 1 and multiple support columns 2 for being arranged on the pedestal 1, The upper surface of the support column 2 is to be adapted with the shape of curved surface plate unit 4 to welding, is provided at least on the pedestal 1 One for by the welding pillar 3 of two neighboring 4 welding of curved surface plate unit connection, the upper surface of the welding pillar 3 with The shape of the two neighboring curved surface plate unit 4 is adapted.
In the present embodiment, when in use, curved surface plate unit 4 and the upper end face contact of support column 2 are matched for the tailor-welding tool It closes, so that support column 2 is provided effective support to the curved surface plate unit 4, then two neighboring curved surface plate unit 4 will be docked, make Its welding position 5 is placed exactly on the welding pillar 3, and ensures the upper end of two neighboring curved surface plate unit 4 and welding pillar 3 Face fits closely, and is ready work for welding operation.
In the present embodiment, the quantity of the support column 2 is three, and the quantity of the welding pillar 3 is one, is actually made In, support column 2 and welding pillar 3 can be laid according to the shapes and sizes of curved surface plate unit 4.
In the present embodiment, when cutting the plane plate unit 4 in step 4, it is ensured that cutting tool and the surface plate phase Vertically.After step 4, welding groove is made on the plane plate unit.By ensuring that cutting tool mutually hangs down with the surface plate Directly, and then the notch gone bail on the surface plate and the surface plate are perpendicular, and then provide conveniently for subsequent welding connection. Meanwhile by making welding groove on plane plate unit, subsequent welding operation is facilitated.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention Technical spirit any simple modification, change and equivalent structure transformation to the above embodiments, still fall within skill of the present invention In the protection scope of art scheme.

Claims (3)

1. a kind of forming method of large space curved slab, which is characterized in that include the following steps:
Step 1: drawing the structure chart of large space curved slab to be processed;
Step 2: the structure chart is divided into multiple structure chart units;
Step 3: choosing surface plate according to the structure chart, and the surface plate is divided into multiple plane plate units, Duo Gesuo It states plane plate unit and multiple structure chart units corresponds;
Step 4: multiple plane plate units are successively cut down from the surface plate;
Step 5: choosing multiple curved slab compacting tool sets, the curved slab compacting tool set is used to suppress the plane plate unit For true form corresponding to structure chart unit, multiple curved slab compacting tool sets and multiple structure chart units one are a pair of It answers;
Step 6: the curved slab compacting tool set is mounted on press machine, pass through press machine and the curved slab compacting tool set It cooperates and a plane plate unit is pressed into a curved surface plate unit, and in this way by multiple surface plate lists Member is pressed into multiple curved surface plate units according to this;
Step 7: multiple curved surface plate unit weldings are connected into large space curved slab, that is, are completed according to the structure chart The molding of large space curved slab;
When carrying out step 7, the welding connection of multiple curved surface plate units is completed by tailor-welding tool;
The tailor-welding tool includes pedestal and multiple support columns for being arranged on the pedestal, the upper surface of the support column be with The shape of curved surface plate unit to welding is adapted, at least one is provided on the pedestal and is used for the two neighboring curved slab The welding pillar of unit welding connection, the upper surface of the welding pillar and the shape of the two neighboring curved surface plate unit are mutually fitted Match, the two sides of the welding pillar are arranged in multiple support columns;
Multiple structure chart units, multiple plane plate units and multiple curved slab compacting tool sets are compiled respectively Number, the number one of the number of the structure chart unit, the number of the plane plate unit and the curved slab compacting tool set is a pair of It answers;
When cutting the plane plate unit in step 4, it is ensured that cutting tool and the surface plate are perpendicular;
After step 4, welding groove is made on the plane plate unit.
2. according to a kind of forming method of large space curved slab described in claim 1, it is characterised in that:The structure chart is to use The analogous diagram that computer drawing software is drawn.
3. according to a kind of forming method of large space curved slab described in claim 1, it is characterised in that:The structure chart is hand The perspective view that work is drawn.
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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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
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

Patentee after: Xi'an Coal Mining Machinery Co., Ltd.

Address before: 710021 No. 8 Shangji Road, Xi'an Economic and Technological Development Zone, Shaanxi Province

Patentee before: Xi'an Coal Mining Machinery Co., Ltd.