CN102921802A - Method for forming car rear shaft support assembly cross beam - Google Patents
Method for forming car rear shaft support assembly cross beam Download PDFInfo
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- CN102921802A CN102921802A CN2012104386543A CN201210438654A CN102921802A CN 102921802 A CN102921802 A CN 102921802A CN 2012104386543 A CN2012104386543 A CN 2012104386543A CN 201210438654 A CN201210438654 A CN 201210438654A CN 102921802 A CN102921802 A CN 102921802A
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Abstract
The invention discloses a method for forming a car rear shaft support assembly cross beam and relates to a production method of car parts. The method comprises steps of blanking: conducting stamping for a steel plate by using a blanking die on a punch, and obtaining a waist-drum-shaped blank plate; forming: stamping the waist-drum-shaped blank plate to form a preforming type groove body formed by a deforming top surface and two waist-drum-shaped sides by using a forming die on a hydraulic press; shaping: continuing to shape the preforming type groove body on the hydraulic press; and punching side holes: conducting side hole punching for the shaped preforming type groove body on the hydraulic press by using a punch die, and obtaining a car rear shaft support assembly cross beam product. The production cost is low, the production efficiency is high, the product quality is stable, and requirements for batch production and large-scale production are met.
Description
Technical field
The present invention relates to a kind of manufacture method of auto parts and components, particularly a kind of forming method of bracket of back axle of automobile assembly crossbeam.
Background technology
The channel-section steel of bracket of back axle of automobile assembly crossbeam for being consisted of by a distortion end face, two dolioform sides, its complicated structure, manufacture difficulty is larger.The manufacture method of existing bracket of back axle of automobile assembly crossbeam generally comprises following operation: shear, pull and stretch, rush installing hole, cut the limit, flange, rush side opening, because the method is the groove shape structure that forms workpiece by deep-drawing technique, therefore, enough rim charges must be reserved so that the pull and stretch operation, behind pull and stretch, also need cut again the limit, flange is got rid of this unnecessary rim charge, thereby the steel plate materials that this method is not only wasted is more, production cost is higher, and operation is also more numerous and diverse, production efficiency is low, can not satisfy demand in enormous quantities, large-scale production.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of energy to satisfy the forming method of the bracket of back axle of automobile assembly crossbeam of in enormous quantities, large-scale production demand.
The technical scheme that solves the problems of the technologies described above is: a kind of forming method of bracket of back axle of automobile assembly crossbeam, the method comprises the steps:
A. blanking: adopt blanking die that steel plate is carried out punching press at punch press, obtain the dolioform blanket big in the end and small in the middle with a plurality of installing holes;
B. moulding: adopt mould that dolioform blanket is struck out by a distortion end face and two preformed cell bodies that dolioform side consists of at hydraulic press;
C. shaping: the preformed cell body is to carrying out integer on hydraulic press continues;
D. rush side opening: the preformed cell body after punch press adopts punching die to shaping rushes side opening, makes bracket of back axle of automobile assembly crossbeam finished product.
Further technical scheme of the present invention is: the blanking die that adopts in the described steps A comprises the blanking upper die frame, is installed in blanking die, the blanking lower mold holder of blanking upper die frame bottom, is installed in the blanking punch on the blanking lower mold holder, described blanking punch is provided with a plurality of drifts for the shaping installing hole, these blanking punch two ends are separately installed with the blanking stripper, between described blanking upper die frame and the blanking lower mold holder blanking guide pillar are installed also.
Again further technical scheme of the present invention is: described blanking upper die frame also is separately installed with position block at the two ends of blanking die, blanking punch, and between this position block and blanking guide pillar the blanking guide plate is installed also.
Further technical scheme of the present invention is: the mould that adopts among the described step B comprises top mold frame, be installed in the die that punch, lower mold holder, the two ends of top mold frame bottom are connected with lower mold holder respectively, described punch is provided with the core consistent with the surface of the work shape, die is provided with the arc die face consistent with the workpiece bottom shape, be provided with the die cavity consistent with the surface of the work shape in the die, described die bottom also is equipped with stripper, and this stripper bottom is connected with the push rod that passes the lower mold holder bottom.
Again further technical scheme of the present invention is: guide pillar also is installed between described top mold frame and the lower mold holder, and in the part that top mold frame contacts with lower mold holder guide plate is installed also.
In the described die also the both sides at workpiece be provided with die plate insert.
Further technical scheme of the present invention is: the punching die that adopts among the described step D comprises punch upper die frame, punching lower mold holder, punching stripper, oblique contract drift, support column for supporting workpiece is installed on the described punching lower mold holder, described oblique contract drift lays respectively at the workpiece both sides, its top is connected on the punch upper die frame, and described punching stripper is installed in the punch upper die frame bottom at two ends, workpiece top.
On the described punching lower mold holder inserting for the supporting workpiece bottom land is installed also.
Between described punch upper die frame and the punching lower mold holder punching guide pillar is installed also, on the punch upper die frame at workpiece two ends, also is separately installed with a block, and between this block and punching guide pillar, the punching guide plate is installed also.
Because adopt technique scheme, the forming method of the present invention's bracket of back axle of automobile assembly crossbeam compared with prior art has following beneficial effect:
1. but decrease production cost:
Because the present invention adopts blanking die directly steel plate to be carried out punching press at punch press, obtain dolioform blanket, and then adopt mould that dolioform blanket is struck out by a distortion end face and two preformed cell bodies that dolioform side consists of at hydraulic press; Need not to reserve rim charge, but material-saving more than 25～40%, thus but decrease production cost.
2. production efficiency is high:
Because the present invention directly gets waist Peng shape blanket by blanking on punch press, need not shear, and the present invention also rushed a plurality of circles and microscler installing hole in blanking, need not to rush in addition again this installing hole;
In addition, the present invention also adopts mould that dolioform blanket is struck out the preformed cell body at hydraulic press, need not pull and stretch, cuts the limit, the operation such as flange;
Therefore, the present invention can save a plurality of manufacturing procedures, can greatly enhance productivity.
3. constant product quality:
Because the present invention is in step B moulding, the mould that adopts is provided with the arc die face consistent with the workpiece bottom shape at die, blank can be along the pre-bending of die mouth when this arc die face can make patrix descending, the workpiece product can not split and can wrinkle when being advanced into die under patrix continues, thereby has guaranteed product quality.
In addition, because each step of the present invention all is to adopt mould to finish, therefore, its size is more stable, thereby has also guaranteed the reliability of product quality.
In sum, the present invention not only production cost is low, and production efficiency is higher, and its product quality is also more stable, thereby can satisfy demand in enormous quantities, large-scale production.
Below, in conjunction with the accompanying drawings and embodiments the technical characterictic of the forming method of the present invention's bracket of back axle of automobile assembly crossbeam is further described.
Description of drawings
Fig. 1: the FB(flow block) of the forming method of the present invention's bracket of back axle of automobile assembly crossbeam;
The structural representation of the blanking die that adopts in Fig. 2～Fig. 3: the embodiment one described steps A, wherein:
Fig. 2: front view, the top view of Fig. 3: Fig. 2;
The structural representation of the prepared dolioform blanket of Fig. 4: embodiment one described steps A;
The structural representation of the mould that adopts among Fig. 5～Fig. 6: the embodiment one described step B, wherein:
Fig. 5: front view, the top view of Fig. 6: Fig. 5;
The structural representation of the prepared preformed cell body of Fig. 7～Fig. 8: embodiment one described step B, wherein:
Fig. 7: front view, the top view of Fig. 8: Fig. 7;
The structural representation of the punching die that adopts among Fig. 9～Figure 10: the embodiment one described step D, wherein:
Fig. 9: front view, the top view of Figure 10: Fig. 9;
The structural representation of the prepared bracket of back axle of automobile assembly of Figure 11～Figure 12: embodiment one described step D crossbeam finished product, wherein:
Figure 11: front view, the top view of Figure 12: Figure 11.
In above-mentioned accompanying drawing, the label of each element is as follows:
The 1-blanking die,
101-blanking upper die frame, the 102-blanking die, the 103-blanking punch, 104-blanking stripper, the 105-position block,
106-blanking guide plate, 107-blanking guide pillar, 108-blanking lower mold holder;
The dolioform blanket of 2-,
The 3-mould,
The 301-top mold frame, the 302-punch, the 303-die, the 304-guide plate, the 305-guide pillar,
The 306-lower mold holder, 307-stripper, 308-push rod, 309-die plate insert;
4-preformed cell body,
The 5-punching die,
501-punching stripper, the 502-punching is inserted, 503-punch upper die frame, 504-punching guide plate, 505-punching guide pillar,
The 506-block, 507-punching lower mold holder, the oblique contract drift of 508-,
6-bracket of back axle of automobile assembly crossbeam finished product.
Specific embodiment
Embodiment one:
A kind of forming method of bracket of back axle of automobile assembly crossbeam, the method comprise the steps (referring to FB(flow block) shown in Figure 1):
A. blanking: adopt blanking die 1 that steel plate is carried out punching press at punch press, obtain the dolioform blanket 2 big in the end and small in the middle with a plurality of installing holes;
B. moulding: adopt mould 3 that dolioform blanket 2 is struck out by a distortion end face and two preformed cell bodies 4 that dolioform side consists of at hydraulic press;
C. shaping: 4 pairs of preformed cell bodies carry out integer on hydraulic press continues;
D. rush side opening: the preformed cell body 4 after punch press adopts 5 pairs of shapings of punching die rushes side opening, makes bracket of back axle of automobile assembly crossbeam finished product 6.
The blanking die 1 that adopts among the above-mentioned steps A comprises blanking upper die frame 101, is installed in the blanking die 102 of blanking upper die frame 101 bottoms, blanking lower mold holder 108, be installed in the blanking punch 103 on the blanking lower mold holder 108, described blanking punch 103 is provided with a plurality of drifts for the shaping installing hole, these blanking punch 103 two ends are separately installed with blanking stripper 104, between described blanking upper die frame 101 and the blanking lower mold holder 108 blanking guide pillar 107 are installed also.Described blanking upper die frame 101 also is separately installed with position block 15 at the two ends of blanking die 102, blanking punch 103, and blanking guide plate 106(Fig. 2～Fig. 3) also is installed between this position block 105 and blanking guide pillar 107.
The mould 3 that adopts among the above-mentioned steps B comprises top mold frame 301, be installed in the punch 302 of top mold frame 301 bottoms, lower mold holder 306, the die 303 that two ends are connected with lower mold holder 306 respectively, described punch 302 is provided with the core consistent with the surface of the work shape, die 303 is provided with the arc die face consistent with the workpiece bottom shape, blank can be along the pre-bending of die mouth when this arc die face can make patrix descending, the workpiece product can not split and can wrinkle when being advanced into die under the patrix continuation thereby make, also be provided with the die cavity consistent with the surface of the work shape in this die 303, described die 303 bottoms also are equipped with stripper 307, and these stripper 307 bottoms are connected with the push rod 308 that passes lower mold holder 306 bottoms.Between described top mold frame 301 and the lower mold holder 306 guide pillar 305 is installed also, and the part that contacts with lower mold holder 306 in top mold frame 301 also is equipped with guide plate 304.Also be provided with die plate insert 309(Fig. 5～Fig. 6) in the described die 303 in the both sides of workpiece.
The punching die 5 that adopts among the above-mentioned steps D comprises punch upper die frame 503, punching lower mold holder 507, punching stripper 501, oblique contract drift 508, support column for supporting workpiece is installed on the described punching lower mold holder 507, described oblique contract drift 508 lays respectively at the workpiece both sides, its top is connected on the punch upper die frame 503, and described punching stripper 501 is installed in punch upper die frame 503 bottoms at two ends, workpiece top.Also be equipped with on the described punching lower mold holder 507 and insert 502 for the supporting workpiece bottom land.Between described punch upper die frame 503 and the punching lower mold holder 507 punching guide pillar 505 is installed also, on the punch upper die frame 503 at workpiece two ends, also be separately installed with a block 506, and punching guide plate 504(Fig. 9～Figure 10) also is installed between this block 506 and punching guide pillar 505.
Claims (9)
1. the forming method of a bracket of back axle of automobile assembly crossbeam, it is characterized in that: the method comprises the steps:
A. blanking: adopt blanking die (1) that steel plate is carried out punching press at punch press, obtain the dolioform blanket (2) big in the end and small in the middle with a plurality of installing holes;
B. moulding: adopt mould (3) that dolioform blanket (2) is struck out by a distortion end face and two preformed cell bodies (4) that dolioform side consists of at hydraulic press;
C. shaping: preformed cell body (4) is to carrying out integer on hydraulic press continues;
D. rush side opening: adopt punching die (5) that the preformed cell body (4) after the shaping is rushed side opening at punch press, make bracket of back axle of automobile assembly crossbeam finished product (6).
2. the forming method of bracket of back axle of automobile assembly crossbeam according to claim 1, it is characterized in that: the blanking die that adopts in the described steps A (1) comprises blanking upper die frame (101), be installed in the blanking die (102) of blanking upper die frame (101) bottom, blanking lower mold holder (108), be installed in the blanking punch (103) on the blanking lower mold holder (108), described blanking punch (103) is provided with a plurality of drifts for the shaping installing hole, this blanking punch (103) two ends are separately installed with blanking stripper (104), between described blanking upper die frame (101) and the blanking lower mold holder (108) blanking guide pillar (107) are installed also.
3. the forming method of bracket of back axle of automobile assembly crossbeam according to claim 2, it is characterized in that: described blanking upper die frame (101) also is separately installed with position block (15) at the two ends of blanking die (102), blanking punch (103), and between this position block (105) and blanking guide pillar (107) blanking guide plate (106) is installed also.
4. the forming method of bracket of back axle of automobile assembly crossbeam according to claim 1, it is characterized in that: the mould that adopts among the described step B (3) comprises top mold frame (301), be installed in the punch (302) of top mold frame (301) bottom, lower mold holder (306), the die (303) that two ends are connected with lower mold holder (306) respectively, described punch (302) is provided with the core consistent with the surface of the work shape, die (303) is provided with the arc die face consistent with the workpiece bottom shape, be provided with the die cavity consistent with the surface of the work shape in the die (303), described die (303) bottom also is equipped with stripper (307), and this stripper (307) bottom is connected with the push rod (308) that passes lower mold holder (306) bottom.
5. the forming method of bracket of back axle of automobile assembly crossbeam according to claim 4, it is characterized in that: between described top mold frame (301) and the lower mold holder (306) guide pillar (305) is installed also, and the part that contacts with lower mold holder (306) in top mold frame (301) also is equipped with guide plate (304).
6. the forming method of bracket of back axle of automobile assembly crossbeam according to claim 5 is characterized in that: also be provided with die plate insert (309) in the described die (303) in the both sides of workpiece.
7. the forming method of bracket of back axle of automobile assembly crossbeam according to claim 1, it is characterized in that: the punching die that adopts among the described step D (5) comprises punch upper die frame (503), punching lower mold holder (507), punching stripper (501), oblique contract drift (508), support column for supporting workpiece is installed on the described punching lower mold holder (507), described oblique contract drift (508) lays respectively at the workpiece both sides, its top is connected on the punch upper die frame (503), and described punching stripper (501) is installed in punch upper die frame (503) bottom at two ends, workpiece top.
8. the forming method of bracket of back axle of automobile assembly crossbeam according to claim 7 is characterized in that: insert (502) for the supporting workpiece bottom land also are installed on the described punching lower mold holder (507).
9. the forming method of bracket of back axle of automobile assembly crossbeam according to claim 8, it is characterized in that: between described punch upper die frame (503) and the punching lower mold holder (507) punching guide pillar (505) is installed also, on the punch upper die frame (503) at workpiece two ends, also be separately installed with a block (506), and between this block (506) and punching guide pillar (505), punching guide plate (504) be installed also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104386543A CN102921802A (en) | 2012-11-06 | 2012-11-06 | Method for forming car rear shaft support assembly cross beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104386543A CN102921802A (en) | 2012-11-06 | 2012-11-06 | Method for forming car rear shaft support assembly cross beam |
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| Publication Number | Publication Date |
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| CN102921802A true CN102921802A (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104386543A Pending CN102921802A (en) | 2012-11-06 | 2012-11-06 | Method for forming car rear shaft support assembly cross beam |
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| Country | Link |
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| CN (1) | CN102921802A (en) |
Cited By (6)
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| CN103287500A (en) * | 2013-06-25 | 2013-09-11 | 北京汽车股份有限公司 | Top cover beam and forming die of top cover beam and machining method of top cover beam |
| CN104511523A (en) * | 2013-09-29 | 2015-04-15 | 上海汇众汽车制造有限公司 | Forming process of high-strength tubular cross beam |
| CN104690157A (en) * | 2015-02-11 | 2015-06-10 | 柳州市金元机械制造有限公司 | Processing method for rear supporting frame |
| CN105107950A (en) * | 2015-09-07 | 2015-12-02 | 上海奥林汽车配件有限公司 | Punching assembly used in saddle-shaped punching part |
| CN110000285A (en) * | 2019-03-06 | 2019-07-12 | 无锡曙光模具有限公司 | A kind of stamping die and its processing technology for seat mounting bracket |
| CN112157174A (en) * | 2020-09-14 | 2021-01-01 | 一汽解放汽车有限公司 | Variable cross-section longitudinal beam pre-bending die and variable cross-section longitudinal beam pre-bending device |
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Cited By (10)
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|---|---|---|---|---|
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| CN104511523A (en) * | 2013-09-29 | 2015-04-15 | 上海汇众汽车制造有限公司 | Forming process of high-strength tubular cross beam |
| CN104511523B (en) * | 2013-09-29 | 2016-06-29 | 上海汇众汽车制造有限公司 | High-strength tubular crossbeam forming technology |
| CN104690157A (en) * | 2015-02-11 | 2015-06-10 | 柳州市金元机械制造有限公司 | Processing method for rear supporting frame |
| CN105107950A (en) * | 2015-09-07 | 2015-12-02 | 上海奥林汽车配件有限公司 | Punching assembly used in saddle-shaped punching part |
| CN110000285A (en) * | 2019-03-06 | 2019-07-12 | 无锡曙光模具有限公司 | A kind of stamping die and its processing technology for seat mounting bracket |
| CN110000285B (en) * | 2019-03-06 | 2021-01-26 | 无锡曙光模具有限公司 | Stamping die for seat mounting bracket and machining process of stamping die |
| CN112157174A (en) * | 2020-09-14 | 2021-01-01 | 一汽解放汽车有限公司 | Variable cross-section longitudinal beam pre-bending die and variable cross-section longitudinal beam pre-bending device |
| CN112157174B (en) * | 2020-09-14 | 2023-02-17 | 一汽解放汽车有限公司 | Variable cross-section longitudinal beam pre-bending die and variable cross-section longitudinal beam pre-bending device |
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Application publication date: 20130213 |