CN104816166A - Pore opening and pore broadening integrated incremental forming hole flanging tool and hole flanging process - Google Patents
Pore opening and pore broadening integrated incremental forming hole flanging tool and hole flanging process Download PDFInfo
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- CN104816166A CN104816166A CN201510167803.0A CN201510167803A CN104816166A CN 104816166 A CN104816166 A CN 104816166A CN 201510167803 A CN201510167803 A CN 201510167803A CN 104816166 A CN104816166 A CN 104816166A
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- hole flanging
- tool
- hole
- cutting
- flanging
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- 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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- 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
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
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- Optics & Photonics (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to a pore opening and pore broadening integrated incremental forming hole flanging tool and a hole flanging process. The hole flanging tool comprises a connecting rod and a cutting hole flanging tool head, wherein one end of the connecting rod is clamped onto a main shaft of a numerical control machine tool; the other end of the connecting rod is connected with the cutting hole flanging tool head; the cutting hole flanging tool head comprises a hole flanging profile and a cutting milling cutter; the hole flanging profile is connected with the connecting rod; the hole flanging process comprises the following steps: processing a pre-manufactured hole through the milling cutter on the tool; and extruding a plate material on an X-Y plane according to a gradually-expanded concentric circle motion track by using circular arc characteristics of the tool so as to complete hole flanging processing. Compared with the prior art, the pore opening and pore broadening integrated incremental forming hole flanging tool and the hole flanging process have the advantages that two working procedures of cutting and forming can be completed under the circumstance that the cutter is not replaced, the quantity of cutters and the cutter replacement working procedure in the conventional incremental forming hole flanging are reduced, the processing efficiency is improved, hole flanging parts with less thickness reduction and uniform thickness distribution can be formed, the thickness of the hole flanging formed parts is increased greatly and the distribution is more uniform.
Description
Technical field
The present invention relates to device and the technique of sheet forming technical field, especially relate to a kind of progressive molding hole flanging instrument and flange hole technology of perforate reaming integration.
Background technology
Hole flanging is a kind of traditional sheet forming technique, be mainly used in the edge strengthening of part, remove trimming and make on part and other Assembly of the parts, the position be connected or the three-dimensional part with complicated specific shape, proportional space, improve the rigidity of part simultaneously, be widely used in the industrial departments such as automobile, Aeronautics and Astronautics, instrument, electronics.At present, hole flanging generally adopts traditional Sheet Metal Forming Technology to complete, and this method needs corresponding mould, the defect in the production of parts in small batch and single part on life period and cost.
Plate progressive molding is the Sheet Metal Processing technology of rising in recent years, has that processing mode is flexible, forming property good and flexible feature.Meanwhile, progressive molding can improve the forming property of material and required plastic force is also less, can reduce size and the tonnage of former, and the production of single-piece and be pilot can be good at the conventional ones technique substituting such as hole flanging and so on.Cui and the Gao multistep progressive molding strategy that once employing three kinds was different in " Studies on hole-flanging process usingmultistage incremental forming " (CIRP Journal of Manufacturing Science andTechnology) is studied straight wall circular cross-esction, confirms the feasibility of being carried out hole flanging by progressive molding technique.But, traditional progressive molding flange hole technology still also exists some problems, as traditional progressive molding hole flanging part needs independently to carry out perforate and shaping, the thinning comparatively large and skewness etc. of drip molding thickness, wherein topmost problem is just the control of the acutely thinning of formation of parts thickness and thickness distribution.
Summary of the invention
The object of the invention is to overcome above-mentioned defect of the prior art, solve the thickness problem of traditional progressive molding hole flanging part and a kind of progressive molding hole flanging instrument and flange hole technology of perforate reaming integration are provided, the less and comparatively uniform part of distribution of thickness Reducing thickness can be obtained.
Object of the present invention can be achieved through the following technical solutions:
A kind of progressive molding hole flanging instrument of perforate reaming integration, be connected with main shaft of numerical control machine tool, comprise connecting rod and cut hole flanging tool heads, described connecting rod one end is held on main shaft of numerical control machine tool, the other end is connected with cutting hole flanging tool heads, described cutting hole flanging tool heads comprises the hole flanging profile and cutting mill that are connected, and described hole flanging profile is connected with connecting rod; Main shaft of numerical control machine tool drives cutting hole flanging tool heads to carry out perforate and flange reaming to plate by connecting rod.
Described hole flanging profile comprises the circular arc camber and the face of cylinder that set gradually.
The flange mating shapes of described circular arc camber and plate.
The height on the described face of cylinder is greater than the difference of final apertures radius and pre-manufactured hole radius.
Described cutting mill is bulb vertical milling cutter.
A progressive molding flange hole technology for perforate reaming integration, comprises the following steps:
1) shape of the pre-manufactured hole cut as required and size, generate the first movement of tool track of cutting mill motion;
2) according to shape and the size of hole flanging part, the second movement of tool track of hole flanging profile motion is generated;
3) fixing plate flanging;
4) start Digit Control Machine Tool, on plate, cut pre-manufactured hole by the first movement of tool TRAJECTORY CONTROL cutting mill;
5) main shaft of numerical control machine tool drives described progressive molding hole flanging instrument to move down location, makes hole flanging profile near plate, completes hole flanging processing by the second movement of tool TRAJECTORY CONTROL hole flanging profile;
6) be shaped, main shaft of numerical control machine tool drives described progressive molding hole flanging to move tool up, and takes off plate.
Described second movement of tool track is the concentric circles movement locus expanded gradually in X-Y plane.
Compared with prior art, the present invention has the following advantages:
(1) the present invention's design comprises the cutting hole flanging tool heads of hole flanging profile and cutting mill simultaneously, the circular arc camber of its hole flanging profile and the flange mating shapes of plate, less and the uniform hole flanging part of thickness distribution of the Reducing thickness that can be shaped, avoid the excessive thinning of plate in traditional progressive molding flange hole technology, thus improve the rigidity of design of part.
(2) the cutting hole flanging tool heads of flanging tool of the present invention comprises hole flanging profile and cutting mill two parts, disposablely can complete perforate and the flange reaming of plate, decrease quantity and the tool changing operation of required stage property in traditional progressive molding hole flanging, improve working (machining) efficiency.
(3) the present invention adopts the concentric circles movement locus in X-Y plane to carry out hole flanging processing, only need 2-axis linkage lathe can realize described chambering process, without the need to the numerical control triaxial linkage machine tool needed for progressive molding reaming, also without the need to the press needed for conventional ones reaming and mould, equipment cost is lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of flanging tool of the present invention;
Fig. 2 is the schematic flow sheet of flanging process of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment is implemented premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, the present embodiment provides a kind of progressive molding hole flanging instrument of perforate reaming integration, be connected with main shaft of numerical control machine tool, comprise connecting rod 1 and cut hole flanging tool heads, connecting rod 1 one end is held on main shaft of numerical control machine tool, the other end is connected with cutting hole flanging tool heads, and cut hole flanging tool heads and comprise the hole flanging profile 2 and cutting mill 3 that are connected, hole flanging profile 2 is connected with connecting rod 1.Main shaft of numerical control machine tool is driven by connecting rod 1 and cuts disposable perforate and the flange reaming completing plate of hole flanging tool heads, without the need to carrying out tool changing.
Hole flanging profile 2 comprises the circular arc camber and the face of cylinder that set gradually, the flange mating shapes of circular arc camber and plate, and the face of cylinder has certain altitude, and it is highly greater than the difference of final apertures radius and pre-manufactured hole radius.Cutting mill 3 is bulb vertical milling cutter.
As shown in Figure 2, the flange hole technology adopting the progressive molding hole flanging instrument of above-mentioned perforate reaming integration to realize comprises the following steps:
1) shape of the pre-manufactured hole cut as required and size, generate the first movement of tool track 5 that cutting mill 3 moves;
2) according to shape and the size of hole flanging part, the second movement of tool track 8, the second movement of tool track generating the motion of hole flanging profile 2 is different from traditional progressive molding, is the concentric circles movement locus expanded gradually in X-Y plane;
3) plate 6 is fixed on the workbench 7 also flanging of Metal CNC Incremental Forming lathe;
4) first the connecting rod 1 of described progressive molding hole flanging instrument 4 is held on progressive main shaft of numerical control machine tool end, suitable tool feeding speed is set, start Digit Control Machine Tool, on plate 6, cut pre-manufactured hole by the first movement of tool TRAJECTORY CONTROL cutting mill 3 as shown in (a) of Fig. 2;
5) main shaft of numerical control machine tool drives progressive molding hole flanging instrument to move down location, makes hole flanging profile 2 near plate 6, completes hole flanging processing, as shown in (b), (c) of Fig. 2 by the second movement of tool TRAJECTORY CONTROL hole flanging profile 2;
6) be shaped, main shaft of numerical control machine tool drives described progressive molding hole flanging to move tool up, and takes off plate 6.
Claims (7)
1. the progressive molding hole flanging instrument of a perforate reaming integration, be connected with main shaft of numerical control machine tool, it is characterized in that, comprise connecting rod (1) and cut hole flanging tool heads, described connecting rod (1) one end is held on main shaft of numerical control machine tool, the other end is connected with cutting hole flanging tool heads, described cutting hole flanging tool heads comprises the hole flanging profile (2) and cutting mill (3) that are connected, and described hole flanging profile (2) is connected with connecting rod (1); Main shaft of numerical control machine tool drives cutting hole flanging tool heads to carry out perforate and flange reaming to plate by connecting rod (1).
2. the progressive molding hole flanging instrument of perforate reaming integration according to claim 1, is characterized in that, described hole flanging profile (2) comprises the circular arc camber and the face of cylinder that set gradually.
3. the progressive molding hole flanging instrument of perforate reaming integration according to claim 1, is characterized in that, the flange mating shapes of described circular arc camber and plate.
4. the progressive molding hole flanging instrument of perforate reaming integration according to claim 1, is characterized in that, the height on the described face of cylinder is greater than the difference of final apertures radius and pre-manufactured hole radius.
5. the progressive molding hole flanging instrument of perforate reaming integration according to claim 1, is characterized in that, described cutting mill (3) is bulb vertical milling cutter.
6. adopt a flange hole technology for the progressive molding hole flanging instrument of the arbitrary described perforate reaming integration of claim 1-5, it is characterized in that, comprise the following steps:
1) shape of the pre-manufactured hole cut as required and size, generate the first movement of tool track that cutting mill (3) moves;
2) according to shape and the size of hole flanging part, the second movement of tool track that hole flanging profile (2) moves is generated;
3) fixing plate flanging;
4) start Digit Control Machine Tool, on plate, cut pre-manufactured hole by the first movement of tool TRAJECTORY CONTROL cutting mill (3);
5) main shaft of numerical control machine tool drives described progressive molding hole flanging instrument to move down location, makes hole flanging profile (2) near plate, completes hole flanging processing by the second movement of tool TRAJECTORY CONTROL hole flanging profile (2);
6) be shaped, main shaft of numerical control machine tool drives described progressive molding hole flanging to move tool up, and takes off plate.
7. the progressive molding flange hole technology of perforate reaming integration according to claim 6, is characterized in that, described second movement of tool track is the concentric circles movement locus expanded gradually in X-Y plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167803.0A CN104816166B (en) | 2015-04-10 | 2015-04-10 | The progressive molding hole flanging instrument and flange hole technology of perforate reaming integration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167803.0A CN104816166B (en) | 2015-04-10 | 2015-04-10 | The progressive molding hole flanging instrument and flange hole technology of perforate reaming integration |
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| CN104816166A true CN104816166A (en) | 2015-08-05 |
| CN104816166B CN104816166B (en) | 2017-07-28 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382069A (en) * | 2015-12-10 | 2016-03-09 | 东南大学 | Forward incremental forming type round hole flanging device |
| CN105598705A (en) * | 2016-03-17 | 2016-05-25 | 中国科学院金属研究所 | Device and method for making straight edge holes in outward-flanging mode |
| CN108380783A (en) * | 2018-02-08 | 2018-08-10 | 西安交通大学 | The positive and negative compound progressive molding grommet integral (type) flange device of one kind and technique |
| CN108465735A (en) * | 2018-03-14 | 2018-08-31 | 西安交通大学 | A kind of design method of progressive flangikng forming tool head |
| CN108500132A (en) * | 2018-03-14 | 2018-09-07 | 西安交通大学 | A kind of design method of the progressive flanging forming tool heads of tablet |
| CN109732360A (en) * | 2019-01-14 | 2019-05-10 | 王建立 | Copper pipe pulls out holes mechanism |
| CN109772972A (en) * | 2019-03-04 | 2019-05-21 | 西安交通大学 | A kind of compound progressive molding device of large size shell branch pipe integrated flange and technique |
| CN110280642A (en) * | 2019-07-08 | 2019-09-27 | 太仓欧克仓储设备有限公司 | A kind of tool heads for the processing of metal plate crimping |
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| CN104368662A (en) * | 2014-11-14 | 2015-02-25 | 重庆大学 | Tool head and method for controlling buckling deformation in thin plate die-free gradual edge turning process |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382069A (en) * | 2015-12-10 | 2016-03-09 | 东南大学 | Forward incremental forming type round hole flanging device |
| CN105382069B (en) * | 2015-12-10 | 2017-05-24 | 东南大学 | Forward incremental forming type round hole flanging device |
| CN105598705A (en) * | 2016-03-17 | 2016-05-25 | 中国科学院金属研究所 | Device and method for making straight edge holes in outward-flanging mode |
| CN108380783A (en) * | 2018-02-08 | 2018-08-10 | 西安交通大学 | The positive and negative compound progressive molding grommet integral (type) flange device of one kind and technique |
| CN108380783B (en) * | 2018-02-08 | 2019-07-12 | 西安交通大学 | The positive and negative compound progressive molding grommet integral (type) flange device of one kind and technique |
| CN108465735A (en) * | 2018-03-14 | 2018-08-31 | 西安交通大学 | A kind of design method of progressive flangikng forming tool head |
| CN108500132A (en) * | 2018-03-14 | 2018-09-07 | 西安交通大学 | A kind of design method of the progressive flanging forming tool heads of tablet |
| CN108500132B (en) * | 2018-03-14 | 2020-04-10 | 西安交通大学 | Manufacturing method of flat plate progressive flanging forming tool head |
| CN109732360A (en) * | 2019-01-14 | 2019-05-10 | 王建立 | Copper pipe pulls out holes mechanism |
| CN109772972A (en) * | 2019-03-04 | 2019-05-21 | 西安交通大学 | A kind of compound progressive molding device of large size shell branch pipe integrated flange and technique |
| CN109772972B (en) * | 2019-03-04 | 2020-02-14 | 西安交通大学 | Integrated composite incremental forming device and process for large shell branch pipe flange |
| CN110280642A (en) * | 2019-07-08 | 2019-09-27 | 太仓欧克仓储设备有限公司 | A kind of tool heads for the processing of metal plate crimping |
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| CN104816166B (en) | 2017-07-28 |
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