CN102658332A - Mould and method for forming U-shaped member - Google Patents
Mould and method for forming U-shaped member Download PDFInfo
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- CN102658332A CN102658332A CN2012101653468A CN201210165346A CN102658332A CN 102658332 A CN102658332 A CN 102658332A CN 2012101653468 A CN2012101653468 A CN 2012101653468A CN 201210165346 A CN201210165346 A CN 201210165346A CN 102658332 A CN102658332 A CN 102658332A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000007493 shaping process Methods 0.000 claims description 19
- 238000012937 correction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a mould and method for forming a U-shaped member. The mould is arranged on a press, the mould comprises a lower die seat, an upper die seat, an ejector, a punch insert installation seat, a die insert, a punch insert and a lower push rod, wherein the lower die seat is arranged at the lower part of the mould; the upper die seat is arranged at the upper part of the mould; the ejector is arranged on the lower die seat; the punch insert installation seat is arranged on the upper die seat; the die insert is arranged on the lower die seat; and the punch insert is arranged on the punch insert installation seat. The mould and the method for forming the U-shaped member have the advantages that the springback quantity of vertical edges of the U-shaped member can be controlled through adjusting the downward jacking force, physical repair of the mould is avoided, and a simple structure is obtained.
Description
Technical field
The present invention relates to thick-plate parts shaping field, particularly a kind of mould and method that is used for the shaping of U-shaped spare.
Background technology
Slab U-shaped spare belongs to common in the crossbeam frame parts, its key that is shaped is to control opening size of U-shaped, just controls the springback capacity of stile." practical stamping technology handbook (TG38-62; Beijing: China Machine Press; 2001.3) lining introduced several kinds of traditional control method; Such as revising the method that the punch angle compensates, promptly on punch, make the gradient that equals springback angle and compensate, equal desired angle just after making the product resilience; And for example base plane is carried out the method for circular arc compensation, punch and backing-out punch are made circular arc camber, the U-shaped bottom surface resilience of compacting back flattens, and drives U-shaped stile angle and is compensated; Take method that the drawing process of flanging is shaped etc. in addition.Said method all can obtain qualified products as long as debugging is proper.But these methods can not disposablely just obtain qualified products; The method that adopts correction punch angle to compensate is carried out the method that circular arc compensates with adopting to base plane; Sometimes need debug repeatedly, and debug process or involve the modification to complementary area, more time-consuming.Adopt drawing process, the structure relative complex, and can not guarantee that the stile angle is qualified, still need further shaping.
Summary of the invention
Technical problem to be solved by this invention provides a kind of mould and method that U-shaped spare is shaped that be used for, and is used for solving the shaping of prior art U-shaped spare and is difficult for debugging, baroque problem.
The technical scheme that the present invention solves the problems of the technologies described above is following: a kind of mould that is used for the shaping of U-shaped spare, and said mould is installed on the press, comprises die shoe, upper bolster, backing-out punch, punch insert mount pad, die plate insert and punch insert;
Said die shoe, the bottom that it is arranged on said mould is used for installing and retaining element, is installed in during use on the lower table of press;
Said upper bolster, the top that it is arranged on said mould is used for installing and retaining element, is installed in during use on the upper table of press;
Said backing-out punch is installed on the said die shoe, is used to eject part;
Said punch insert mount pad is installed on the said upper bolster, is used to install punch insert;
Said die plate insert is installed on the said die shoe, is used for cooperating the shaping that realizes U-shaped spare with said punch insert;
Said punch insert is installed on the said punch insert mount pad, is used for cooperating the shaping that realizes U-shaped spare with said die plate insert;
On the basis of technique scheme, the present invention can also do following improvement.
Further, said upper bolster and said die shoe are installed and retaining element through screw.
A kind of method that is used for the shaping of U-shaped spare may further comprise the steps:
Step 1: mould is installed on the press, starts press and carry out upper and lower mould and divide mould, adjust the air cushion ejecting force of press again, and set the provisional value of an air cushion ejecting force;
Step 2: the air cushion that starts press ejects button, and the air cushion ejecting force acts on the lower push rod that is installed in the press jogger hole, and the backing-out punch that said lower push rod heads on mould rises to upper dead center position, plate is positioned over the upper surface of backing-out punch again;
Step 3: start the press matched moulds, patrix is descending, and the punch insert of mould touches plate, and said punch insert heads on backing-out punch with plate and gets into die plate insert, begins to be shaped;
Step 4: be shaped after the beginning, run to lower dead point position until patrix, the upper and lower mould matched moulds is accomplished, and has realized that U-shaped spare is shaped;
Step 5: after U-shaped spare is shaped and accomplishes first, detect the stile bounce situations of U-shaped spare;
Step 6: repeat step 5, the ejecting force according to bounce situations correction press air cushion obtains qualified U-shaped spare.Said step 6 is the process that repeats to revise, owing in reality, allow to exist certain form error, the number of times that said step 6 repeats to revise generally will reach required value about 3 times.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the provisional value for the air cushion ejecting force can be set arbitrarily in the said step 1.
Further, said step 5 specifically comprises: if positive resilience is arranged, then will reduce the ejecting force of press air cushion, if negative resilience, the ejecting force that then will strengthen the press air cushion are arranged.
The invention has the beneficial effects as follows: U-shaped spare shaping dies of the present invention and method, just can control the springback capacity of U-shaped spare stile through adjusting down top power, avoided the physics of mould to repair, and simple in structure.
Description of drawings
Fig. 1 is a kind of structure chart that is used for the mould of U-shaped spare shaping of the present invention;
In the accompanying drawing, the list of parts of each label representative is following:
1, die shoe, 2, upper bolster, 3, backing-out punch, 4, the punch insert mount pad, 5, die plate insert, 6, punch insert, 7, lower push rod, 8, plate, 9, the R root.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present invention and characteristic are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
The described a kind of mould that U-shaped spare is shaped that is used for of present embodiment, said mould is installed on the press, comprises die shoe 1, upper bolster 2, backing-out punch 3, punch insert mount pad 4, die plate insert 5 and punch insert 6;
Said die shoe 1, the bottom that it is arranged on said mould is used for installing and retaining element, is installed in during use on the lower table of press;
Said upper bolster 2, the top that it is arranged on said mould is used for installing and retaining element, is installed in during use on the upper table of press;
Said backing-out punch 3 is installed on the said die shoe 1, is used to eject part;
Said punch insert mount pad 4 is installed on the said upper bolster 2, is used to install punch insert 6;
Said die plate insert 5 is installed on the said die shoe 1, is used for cooperating the shaping that realizes U-shaped spare with said punch insert 6;
Said punch insert 6 is installed on the said punch insert mount pad 4, is used for cooperating the shaping that realizes U-shaped spare with said die plate insert 5.
Wherein, said upper bolster 2 is installed and retaining element through screw with said die shoe 1.
Can get corresponding a kind of method that is used for the shaping of U-shaped spare according to the described mould that is used for the shaping of U-shaped spare, may further comprise the steps:
Step 1: mould is installed on the press, starts press and carry out upper and lower mould and divide mould, adjust the air cushion ejecting force of press again, and set the provisional value of an air cushion ejecting force, can set arbitrarily for the provisional value of air cushion ejecting force here;
Step 2: the air cushion that starts press ejects button, and the air cushion ejecting force acts on the lower push rod 7 that is installed in the press jogger hole, and the backing-out punch 3 that said lower push rod 7 heads on mould rises to upper dead center position, plate 8 is positioned over the upper surface of backing-out punch 3 again;
Step 3: start the press matched moulds, patrix is descending, and the punch insert 6 of mould touches plate 8, and said punch insert 6 heads on backing-out punch 3 with plate 8 and gets into die plate insert 5, begins to be shaped;
Step 4: be shaped after the beginning, run to lower dead point position until patrix, the upper and lower mould matched moulds is accomplished, and has realized that U-shaped spare is shaped;
Step 5: after U-shaped spare is shaped and accomplishes first, detect the stile bounce situations of U-shaped spare,, then will reduce the ejecting force of press air cushion, if negative resilience, the ejecting force that then will strengthen the press air cushion are arranged if positive resilience is arranged;
Step 6: repeat step 5, the ejecting force according to bounce situations correction press air cushion obtains qualified U-shaped spare.
Be the technological process of described a kind of U-shaped spare shaping dies of present embodiment and method below:
At first, mould will be contained on the regulation press, during shaping; Plate 8 lies on the backing-out punch 3, and patrix is descending, and punch insert 6 is pressed in that to head on backing-out punch 3 on the plate 8 descending; When plate 8 touched die plate insert 5, plate 8 received the effect of two power up and down, and arching takes place; If the lower push rod pressure ratio is less, because top power is not enough to a plate 8 pressings down, plate can form a radian between backing-out punch 3 and punch insert 6; In the process that punch insert 6 continues to walk downward, just stayed the unnecessary plate of a part between punch insert 6 and the backing-out punch 3, when the mould pressing puts in place; This part unnecessary material just can be extruded to R root 9 places of U-shaped spare, and the R root is meant the circular arc position of U-shaped spare here, is also referred to as R angle or arc chord angle.Because the effect of keeping out of die plate insert 5 facades, can make one of the stile generation of plate 8 is the center of circle with R root 9, to the power of U-shaped spare center inward turning; If make certain angle of dodging to insert 6 wall of forming terrace die, the interior swirl effect of product can be more obvious, in the actual production; Wall to punch insert 6 need not done special processing, can obtain qualified product, after sometimes being shaped; U-shaped opening even too small forms negative angle, at this time just needs to transfer big top power down; Radian when making product get into die plate insert 6 reduces, to weaken the inwardly dynamics of rotation of U-shaped spare stile.So just, can control the springback capacity of U-shaped spare stile through top power under the adjustment, effectively simple.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. one kind is used for the mould that U-shaped spare is shaped, and said mould is installed on the press, it is characterized in that, comprises die shoe, upper bolster, backing-out punch, punch insert mount pad, die plate insert and punch insert;
Said die shoe, the bottom that it is arranged on said mould is used for installing and retaining element;
Said upper bolster, the top that it is arranged at said mould is used for installing and retaining element;
Said backing-out punch is installed on the said die shoe, is used to eject part;
Said punch insert mount pad is installed on the said upper bolster, is used to install punch insert;
Said die plate insert is installed on the said die shoe, is used for cooperating the shaping that realizes U-shaped spare with said punch insert;
Said punch insert is installed on the said punch insert mount pad, is used for cooperating the shaping that realizes U-shaped spare with said die plate insert.
2. mould according to claim 1 is characterized in that, said upper bolster and said die shoe are installed and retaining element through screw.
3. one kind is used for the method that U-shaped spare is shaped, and it is characterized in that, may further comprise the steps:
Step 1: mould is installed on the press, starts press and carry out upper and lower mould and divide mould, adjust the air cushion ejecting force of press again, and set the provisional value of an air cushion ejecting force;
Step 2: the air cushion that starts press ejects button, and the air cushion ejecting force acts on the lower push rod that is installed in the press jogger hole, and the backing-out punch that said lower push rod heads on mould rises to upper dead center position, plate is positioned over the upper surface of backing-out punch again;
Step 3: start the press matched moulds, patrix is descending, and the punch insert of mould touches plate, and said punch insert heads on backing-out punch with plate and gets into die plate insert, begins to be shaped;
Step 4: be shaped after the beginning, run to lower dead point position until patrix, the upper and lower mould matched moulds is accomplished, and has realized that U-shaped spare is shaped;
Step 5: after U-shaped spare is shaped and accomplishes first, detect the stile bounce situations of U-shaped spare;
Step 6: repeat step 5, the ejecting force according to bounce situations correction press air cushion obtains qualified U-shaped spare.
4. method according to claim 3 is characterized in that, the provisional value for the air cushion ejecting force in the said step 1 can be set arbitrarily.
5. method according to claim 3 is characterized in that, said step 5 specifically comprises: if positive resilience is arranged, then will reduce the ejecting force of press air cushion, if negative resilience, the ejecting force that then will strengthen the press air cushion are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210165346.8A CN102658332B (en) | 2012-05-25 | 2012-05-25 | Mould and method for forming U-shaped member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210165346.8A CN102658332B (en) | 2012-05-25 | 2012-05-25 | Mould and method for forming U-shaped member |
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| Publication Number | Publication Date |
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| CN102658332A true CN102658332A (en) | 2012-09-12 |
| CN102658332B CN102658332B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210165346.8A Active CN102658332B (en) | 2012-05-25 | 2012-05-25 | Mould and method for forming U-shaped member |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226766A (en) * | 2013-06-20 | 2014-12-24 | 宝山钢铁股份有限公司 | Method and device for evaluating sheet metal stamping imbalance flow springback characteristic |
| CN110180933A (en) * | 2019-06-06 | 2019-08-30 | 王鹏 | A kind of Multi-station automatic punching machine |
| CN112453160A (en) * | 2020-11-24 | 2021-03-09 | 李方 | Metal plate stamping correction method |
| CN114472666A (en) * | 2020-11-13 | 2022-05-13 | 上海宝钢高新技术零部件有限公司 | Forming device and method for tubular hydroforming front fender support |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1627300A1 (en) * | 1988-11-01 | 1991-02-15 | Челябинский Политехнический Институт Им.Ленинского Комсомола | Drawing die |
| CN101125349A (en) * | 2007-10-08 | 2008-02-20 | 长春轨道客车股份有限公司 | Side pole novel forming technology and mould |
| CN201524745U (en) * | 2009-11-13 | 2010-07-14 | 东风襄樊旋压件有限公司 | Drawing die device |
| CN201644628U (en) * | 2009-12-12 | 2010-11-24 | 陕西通力专用汽车有限责任公司 | Multi-purpose U-shaped cross beam compression type mold |
-
2012
- 2012-05-25 CN CN201210165346.8A patent/CN102658332B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1627300A1 (en) * | 1988-11-01 | 1991-02-15 | Челябинский Политехнический Институт Им.Ленинского Комсомола | Drawing die |
| CN101125349A (en) * | 2007-10-08 | 2008-02-20 | 长春轨道客车股份有限公司 | Side pole novel forming technology and mould |
| CN201524745U (en) * | 2009-11-13 | 2010-07-14 | 东风襄樊旋压件有限公司 | Drawing die device |
| CN201644628U (en) * | 2009-12-12 | 2010-11-24 | 陕西通力专用汽车有限责任公司 | Multi-purpose U-shaped cross beam compression type mold |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226766A (en) * | 2013-06-20 | 2014-12-24 | 宝山钢铁股份有限公司 | Method and device for evaluating sheet metal stamping imbalance flow springback characteristic |
| CN110180933A (en) * | 2019-06-06 | 2019-08-30 | 王鹏 | A kind of Multi-station automatic punching machine |
| CN114472666A (en) * | 2020-11-13 | 2022-05-13 | 上海宝钢高新技术零部件有限公司 | Forming device and method for tubular hydroforming front fender support |
| CN112453160A (en) * | 2020-11-24 | 2021-03-09 | 李方 | Metal plate stamping correction method |
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| Publication number | Publication date |
|---|---|
| CN102658332B (en) | 2014-12-10 |
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Address after: 264003, No. 42, pioneering Road, hi tech Zone, Shandong, Yantai Applicant after: YANTAI TAILI AUTOMOBILE TOOLING CO.,LTD. Address before: 264670, No. 42, pioneering Road, hi tech Zone, Shandong, Yantai Applicant before: Yantai Taili Automobile Tooling Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: YANTAI TAILI AUTOMOBILE TOOLING CO., LTD. TO: YANTAI TAILI AUTOMOBILE MOULD CO., LTD. |
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Denomination of invention: Mould and method for forming U-shaped member Effective date of registration: 20170918 Granted publication date: 20141210 Pledgee: Bank of China Limited by Share Ltd. Yantai branch Pledgor: YANTAI TAILI AUTOMOBILE TOOLING CO.,LTD. Registration number: 2017980000356 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20190923 Granted publication date: 20141210 Pledgee: Bank of China Limited by Share Ltd. Yantai branch Pledgor: YANTAI TAILI AUTOMOBILE TOOLING CO.,LTD. Registration number: 2017980000356 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A die and method for forming U-shaped parts Effective date of registration: 20220628 Granted publication date: 20141210 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yantai hi tech Zone subbranch Pledgor: YANTAI TAILI AUTOMOBILE TOOLING CO.,LTD. Registration number: Y2022980009147 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230727 Granted publication date: 20141210 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yantai hi tech Zone subbranch Pledgor: YANTAI TAILI AUTOMOBILE TOOLING CO.,LTD. Registration number: Y2022980009147 |