CN103121066A - Forming method for frame crossbeam - Google Patents
Forming method for frame crossbeam Download PDFInfo
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- CN103121066A CN103121066A CN2011103699743A CN201110369974A CN103121066A CN 103121066 A CN103121066 A CN 103121066A CN 2011103699743 A CN2011103699743 A CN 2011103699743A CN 201110369974 A CN201110369974 A CN 201110369974A CN 103121066 A CN103121066 A CN 103121066A
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Abstract
The invention provides a forming method for a frame crossbeam. The forming method for the frame crossbeam comprises a flanging process and a bending process, wherein the flanging process comprises the step of flanging a part of long edges of two sides of crossbeam sheet materials, and the bending process comprises the step of forming the flanged crossbeam sheet materials so as to obtain the frame crossbeam with the cross section approximately being in a U shape. According to the technical scheme, before the bending process, the flanging process is adopted to the crossbeam sheet materials, the part of the long edges of the two sides of the crossbeam sheet materials is flanged, so that deformation generated by the actions of shear force and a shear sequence during a shear process of the crossbeam materials is compensated, and the flatness of the crossbeam sheet materials is reduced. Therefore, a difference of the width of an opening of the crossbeam along the longitudinal direction of the crossbeam can be effectively avoided, and the quality of the crossbeam and the quality of a frame are improved.
Description
Technical field
The present invention relates to frame cross, particularly, relate to a kind of manufacturing process of frame cross.
Background technology
A kind of typical automobile frame generally includes two longerons in left and right and some crossbeams, and these crossbeams are connected between two longerons by modes such as riveted joint or welding, a kind of braced frame of whole formation.
Frame cross (in this article also can referred to as crossbeam) generally forms the bathtub construction that cross section with web and wing plates on two sides roughly takes the shape of the letter U, and usually can form by Sheet Metal Forming Technology.Particularly, the manufacturing process of frame cross can comprise: blanking process becomes polylith crossbeam plate (woollen) for the hot rolled steel plate that will come from steel mill by blankings such as plate shearing machines; Punching process is used in crossbeam plate upper punch hole to form the installing hole of all size; And bending process, the crossbeam plate is bent to the frame cross that cross section with web and wing plates on two sides roughly takes the shape of the letter U.
In blanking process, be subject to the impact of shearing force and shearing sequence, the crossbeam plate that obtains after shearing generally will have the flatness up to 5-10mm.Therefore, in the follow-up frame cross that forms by bending process, the width of crossbeam opening (being the distance between the wing plates on two sides upper end) differs greatly on the crossbeam longitudinal direction, thereby brings difficulty for being connected between follow-up crossbeam and longeron, affects the total quality of vehicle frame.
Summary of the invention
The manufacturing process that the purpose of this invention is to provide a kind of frame cross, the method can guarantee the uniformity of crossbeam A/F on the crossbeam longitudinal direction, thereby are convenient to being connected between crossbeam and longeron, improve the total quality of vehicle frame.
To achieve these goals, the invention provides a kind of manufacturing process of frame cross, comprising: flanging process, the both sides of crossbeam plate are grown the part on limit and carried out flange; Bending process forms to obtain to the crossbeam plate through flange the frame cross that cross section is roughly U-shaped.
In technique scheme, before bending process, at first the crossbeam plate is taked flanging process, the both sides of crossbeam plate are grown the part on limit and carried out flange, the distortion that occurs due to the effect that is subject to shearing force and shearing sequence in cutting out technique to compensate the crossbeam plate, reduce the flatness of crossbeam plate, thereby can effectively avoid the otherness of crossbeam A/F on the crossbeam longitudinal direction, improve the quality of crossbeam and vehicle frame.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and consists of the part of specification, is used from explanation the present invention with the following specific embodiment one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of existing frame cross.
Fig. 2 is the schematic diagram of a kind of typical frame cross of the method according to this invention formation.
Fig. 3 is the cross sectional representation that shows flange part in Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
What Fig. 1 represented is existing frame cross.What Fig. 2 represented is a kind of typical frame cross that the method according to this invention forms.Fig. 3 is the cross sectional representation that shows flange part in Fig. 2.In the accompanying drawings, the web of Reference numeral 1 expression crossbeam, 2 expression wing plates on two sides, the installing hole on 3 expression crossbeams, 4 expression flange parts.
By reference to the accompanying drawings, will more easily understand the present invention by the following detailed description that method of the present invention is carried out.
The invention provides a kind of manufacturing process of frame cross, comprising: flanging process, the both sides of crossbeam plate are grown the part on limit and carried out flange; Bending process forms to obtain to the crossbeam plate through flange the frame cross that cross section is roughly U-shaped.
In the present invention, before the crossbeam plate forms frame cross by bending process, at first the crossbeam plate is taked flanging process, the both sides of crossbeam plate are grown the part on limit and carried out flange.By this flanging process, can reduce the flatness of crossbeam plate, for example its flatness can be controlled at 1-3mm.Particularly, when obtaining crossbeam plate by blanking process by plate shearing machine etc. from the hot rolled steel plate, due to the impact that is subject to shearing force and shearing sequence, the crossbeam plate that obtains inevitably can deform, be that flatness strengthens, for example flatness can height 5-10mm.After obtaining the crossbeam plate, by flanging process, the part on the long limit, both sides of crossbeam plate is carried out flange, can offset the distortion that the crossbeam plate occurs in blanking process, its flatness is reduced to blanking level before, even lower than the level before blanking, for example can reach 1-3mm.Therefore, after the process processing of flanging process, then form frame cross by bending process, can guarantee the uniformity of crossbeam A/F on the crossbeam longitudinal direction, be convenient to being connected between subsequent handling middle cross beam and longeron, thereby can improve the total quality of vehicle frame.
As a kind of concrete embodiment, long limit is subject to the effect of shearing force and produces the opposite direction of the direction of distortion and this long limit, crossbeam plate both sides flange in flanging process in blanking process middle cross beam plate both sides.Thus, can effectively offset the distortion of blanking process middle cross beam plate by flanging process.
Preferably, partly be mutually symmetrical by the formed flange of flanging process on long limit, the both sides of crossbeam plate.Flange partly is symmetrically formed, and easily guarantees the flatness of crossbeam plate.
Crossbeam is connected the modes such as riveted joint or welding and connects to consist of vehicle frame with longeron.Therefore, flange partly is preferably placed at the middle part on the long limit of crossbeam plate, in order to avoid bring inconvenience when being connected with longeron.
The length of flange part can design as the case may be, such as according to the size of crossbeam plate, flatness etc.If the length of flange part is too little, can not proofread and correct the flatness of plate well.Otherwise, if the length of flange part is too large, may affect the normal use of crossbeam.In the present invention, as preferred embodiment a kind of, the ratio of the length on the length of flange part and the long limit of crossbeam plate is 1/3～2/3.In addition, preferably, the flange fillet of described flange part is 1～2 times of thickness of described crossbeam plate.The numerical value of flange fillet is unsuitable excessive, when avoiding assembling and other parts interfere.
In addition, as a kind of important aspect of the present invention, flanging process can be completed in same operation with punching technology, and namely while or priority are carried out flange processing and punching processing on same station.In view of this, this operation also can be described as and is " flange punching operation ".As everyone knows, generally have the installing hole of a plurality of different sizes on frame cross, these installing holes are completed by punching technology.Particularly, after obtaining the crossbeam plate from hot rolled steel plate, by moulds such as stamping machines in crossbeam plate upper punch hole, to form these installing holes.In the present invention, flanging process and punching technology can be incorporated in an operation, utilize the required mould of punching to carry out flange, thereby need not the specialized designs flanging die, saved the input of equipment, also need not in addition to arrange specially again overturning process, thereby saved man-hour, improve production efficiency, reduced production cost.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.In addition, also can carry out any combination between various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (8)
1. the manufacturing process of a frame cross comprises:
Flanging process is grown the part on limit and is carried out flange to the both sides of crossbeam plate;
Bending process carries out the crooked frame cross of U-shaped that is roughly to obtain cross section to the crossbeam plate through flange.
2. method according to claim 1, wherein, the both sides of crossbeam plate partly are mutually symmetrical by the formed flange of flanging process on long limit.
3. method according to claim 2, wherein, described flange partly is positioned at the middle part on the long limit of crossbeam plate.
4. method according to claim 3, wherein, the ratio of the length on the length of described flange part and the long limit of crossbeam plate is 1/3～2/3.
5. method according to claim 3, wherein, the flange fillet of described flange part is 1～2 times of thickness of described crossbeam plate.
6. method according to claim 1, wherein, the method comprises the punching technology that the crossbeam plate is carried out punching, this punching technology and described flanging process are completed in same operation.
7. the described method of any one according to claim 1-6, wherein, the method comprises blanking process, obtains polylith crossbeam plate by the shear heat rolled steel plate.
8. method according to claim 7 wherein, is subject to the effect of shearing force on long limit, blanking process middle cross beam plate both sides and produces the opposite direction of the direction of distortion and this long limit, crossbeam plate both sides flange in flanging process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110369974.3A CN103121066B (en) | 2011-11-18 | 2011-11-18 | Forming method for frame crossbeam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110369974.3A CN103121066B (en) | 2011-11-18 | 2011-11-18 | Forming method for frame crossbeam |
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| Publication Number | Publication Date |
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| CN103121066A true CN103121066A (en) | 2013-05-29 |
| CN103121066B CN103121066B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110369974.3A Active CN103121066B (en) | 2011-11-18 | 2011-11-18 | Forming method for frame crossbeam |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903239A (en) * | 2017-03-20 | 2017-06-30 | 德州豪沃机械制造有限公司 | A kind of lightweight frame cross processing technology |
| CN108993016A (en) * | 2018-08-13 | 2018-12-14 | 宝鸡华光铸造材料科技有限公司 | A kind of filter for casting and filter head housings production method |
| CN111283073A (en) * | 2018-12-10 | 2020-06-16 | 深圳市方胜瑞中科技有限公司 | Manufacturing process of fixed panel and fixed panel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2348244A1 (en) * | 2001-05-22 | 2002-11-22 | National Steel Car Limited | Well car with cross member |
| CN201071063Y (en) * | 2007-06-29 | 2008-06-11 | 上海华普汽车有限公司 | Front beam of vehicle engine and vehicle |
| CN101691003A (en) * | 2009-10-20 | 2010-04-07 | 中国重汽集团济南动力有限公司 | Machining process of bent cross beams of heavy truck frames |
| DE102008053289A1 (en) * | 2008-10-27 | 2010-04-29 | GM Global Technology Operations, Inc., Detroit | Method for producing u-shaped support frame for backrest of motor vehicle seat, involves enlarging cross sections of middle and outer longitudinal sections in vertical and longitudinal directions of support frame, respectively |
| CN201969777U (en) * | 2010-11-26 | 2011-09-14 | 北汽福田汽车股份有限公司 | Stamping production device used for processing U-shaped or Phi-shaped cross beam |
| CN102211123A (en) * | 2011-01-25 | 2011-10-12 | 江西艾芬达卫浴有限公司 | Full-automatic punching flanging device |
-
2011
- 2011-11-18 CN CN201110369974.3A patent/CN103121066B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2348244A1 (en) * | 2001-05-22 | 2002-11-22 | National Steel Car Limited | Well car with cross member |
| CN201071063Y (en) * | 2007-06-29 | 2008-06-11 | 上海华普汽车有限公司 | Front beam of vehicle engine and vehicle |
| DE102008053289A1 (en) * | 2008-10-27 | 2010-04-29 | GM Global Technology Operations, Inc., Detroit | Method for producing u-shaped support frame for backrest of motor vehicle seat, involves enlarging cross sections of middle and outer longitudinal sections in vertical and longitudinal directions of support frame, respectively |
| CN101691003A (en) * | 2009-10-20 | 2010-04-07 | 中国重汽集团济南动力有限公司 | Machining process of bent cross beams of heavy truck frames |
| CN201969777U (en) * | 2010-11-26 | 2011-09-14 | 北汽福田汽车股份有限公司 | Stamping production device used for processing U-shaped or Phi-shaped cross beam |
| CN102211123A (en) * | 2011-01-25 | 2011-10-12 | 江西艾芬达卫浴有限公司 | Full-automatic punching flanging device |
Non-Patent Citations (1)
| Title |
|---|
| 李德英等: "《大型结构件的平面加工》", 《纺织机械》, no. 5, 14 January 2008 (2008-01-14) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903239A (en) * | 2017-03-20 | 2017-06-30 | 德州豪沃机械制造有限公司 | A kind of lightweight frame cross processing technology |
| CN106903239B (en) * | 2017-03-20 | 2019-04-05 | 德州豪沃机械制造有限公司 | A kind of lightweight frame cross processing technology |
| CN108993016A (en) * | 2018-08-13 | 2018-12-14 | 宝鸡华光铸造材料科技有限公司 | A kind of filter for casting and filter head housings production method |
| CN111283073A (en) * | 2018-12-10 | 2020-06-16 | 深圳市方胜瑞中科技有限公司 | Manufacturing process of fixed panel and fixed panel |
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| Publication number | Publication date |
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| CN103121066B (en) | 2015-02-18 |
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