CN2721273Y - Double-directional blanking mould - Google Patents
Double-directional blanking mould Download PDFInfo
- Publication number
- CN2721273Y CN2721273Y CN 200420010880 CN200420010880U CN2721273Y CN 2721273 Y CN2721273 Y CN 2721273Y CN 200420010880 CN200420010880 CN 200420010880 CN 200420010880 U CN200420010880 U CN 200420010880U CN 2721273 Y CN2721273 Y CN 2721273Y
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- die
- blanking
- stamping
- blanking punch
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- 238000005520 cutting process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 208000010392 Bone Fractures Diseases 0.000 description 8
- 206010017076 Fracture Diseases 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses a double-directional blanking mould, comprising an upper mould base and a lower mould base which are mounted together by guiding assemblies. The upper mould base and the lower mould base are provided with a forward blanking punch and a reversed blanking punch respectively, the upper mould base is also provided with an upper blanking die which is matched with the reversed blanking punch, and the lower mould base is also provided with a lower blanking die which is matched with the forward blanking punch. After the forward blanking and the reversed blanking of workpieces, the bur area and the fracture zone on the blanking section can be turned into a round angle zone and a euphotic zone due to the changes of blanking directions, and accordingly, the procedure for sanding burrs can be omitted.
Description
Technical field
The utility model relates to a kind of blanking die.
Background technology
Many cold-stamped parts are had relatively high expectations to its presentation quality according to its instructions for use, and the section burr of workpiece behind stamping-out must be strict controlled in certain scope.At present, fine blanking technology and mould structure are generally the unidirectional stamping-out of stamping die, and its stamping-out process is divided into four-stage shown in figure one, and A is the strain stage, and B is the plastic deformation stage, and C is the fracture stage, and D is a separation phase.Its fractograph analysis figure is shown in figure two, comprise four districts: fillet band 1, burr district 2, fracture belt 3 and euphotic belt 4, wherein the presentation quality of fillet band 1 and 4 pairs of parts of euphotic belt is useful, and burr district 2 and fracture belt 3 are to produce burr, influence the principal element of the section polishing quality of workpiece, workpiece must separate with parent through ability behind the four-stage under a stamping-out, though can be by adjusting some stamping-out condition such as blade shapes, stamping-out speed, clearance between punch and die waits the size of adjusting each regional percentage of section, but all can not fundamentally solve the stamping-out Burr Problem, because workpiece its section behind unidirectional stamping-out has more burr, just need polish to workpiece, could use after removing burr, production efficiency is low like this, influences economic benefit.
The utility model content
The utility model purpose is to provide a kind of can carry out the two-way blanking die of two-way stamping-out with the polishing quality of raising workpiece stamping-out section to workpiece.
For achieving the above object, the utility model is to realize like this, a kind of two-way blanking die, comprise the upper bolster and the die shoe that are assembled together by guidance set, upper bolster can move up and down under the driving of drive unit, it is characterized in that: upper bolster has the forward blanking punch of the stamping-out downwards of following the upper bolster motion, die shoe has reverse blanking punch stamping-out and corresponding with forward blanking punch position that can make progress under drive unit drives, in addition, upper bolster has the upper cavity die that can follow the upper bolster motion and cooperate with reverse blanking punch, die shoe has the lower cavity die that is fixed in die shoe and cooperates with the forward blanking punch, on, the position of lower cavity die is corresponding mutually.
The upper and lower guide pillar that has vertical guiding on the described upper and lower die holder respectively; the forward blanking punch slides and to be located on the upper guide post that can control forward punch and lower cavity die lateral clearance, and reverse blanking punch then slides to be located in and can control on the protruding following guide pillar of touching with the upper cavity die lateral clearance of reverse stamping-out.
The stamping-out cutting edge edge of described upper cavity die has fillet.
Be connected with between described upper cavity die and the upper bolster and can delay the time-delay spring that upper cavity die is followed the upper bolster rise.
Described die shoe bottom is provided with and can drives the top ereisma that reverse blanking punch moves upward.
Operation principle of the present utility model and advantage are described below, shown in figure two, workpiece is behind unidirectional stamping-out, the fillet band of its section and euphotic belt concentrate on the far-end of stamping-out direction, burr district and fracture belt then concentrate on the near-end on the stamping-out direction, and the designed two-way blanking die of the utility model can carry out forward stamping-out reverse stamping-out twice stamping-out opposite with direction, workpiece behind the process forward stamping-out is after a deformation of forward like this, on oppositely again through a stamping-out and produce secondary deformation, because the variation of pressing direction, shown in figure three, originally the burr district and the fracture belt of the forward stamping-out direction proximal location on the section, when reverse stamping-out, then be positioned at the far-end of reverse stamping-out direction, behind stamping-out, be transformed into fillet band and euphotic belt, originally the euphotic belt of the moulding on the section and fillet band then maintain the original state, whole like this section all becomes euphotic belt and fillet band basically, eliminated burr, make surface quality obtain good improvement, thereby saved the operation of polishing burr, production efficiency is improved greatly, improved economic benefit.
Description of drawings
Fig. 1 is the procedure chart of unidirectional stamping-out;
Fig. 2 is the fractograph analysis figure of workpiece behind the unidirectional stamping-out;
Fig. 3 is the fractograph analysis figure of workpiece behind the two-way stamping-out;
Fig. 4 is the structural representation under the utility model die opening state;
Fig. 5 is the structural representation under the utility model forward stamping-out state;
Fig. 6 is the structural representation under the reverse stamping-out state of the utility model;
Fig. 7 is the partial enlarged drawing at figure six E places.
Specific embodiment
As shown in Figure 1, the procedure chart of unidirectional stamping-out is divided into four-stage: A is the strain stage, and B is the plastic deformation stage, and C is the fracture stage, and D is a separation phase.
As shown in Figure 2, the fractograph analysis figure of workpiece behind the unidirectional stamping-out, figure interruption face comprises: fillet band 1, burr district 2, fracture belt 3 and euphotic belt 4.
As shown in Figure 3, the fractograph analysis figure of workpiece behind the two-way stamping-out, figure interruption face comprises: fillet band 1, euphotic belt 4, fillet band 5, euphotic belt 6, promptly burr district 2 among the figure two and fracture belt 3 are through oppositely being transformed into fillet band 5 and euphotic belt 6 behind the stamping-out, and originally the euphotic belt 4 of the moulding on the section and fillet band 1 then maintain the original state.
As shown in Figure 4, two-way blanking die comprises upper bolster 7 and die shoe 8, be connected with guide pillar 9 between upper bolster 7 and the die shoe 8, upper bolster 7 middle parts have forward blanking punch 10, upper bolster 7 is provided with upper cavity die 11 in the outside of forward blanking punch 10, forward blanking punch 10 and upper cavity die 11 all can be followed upper bolster 7 and be moved up and down, the time-delay spring 21 that is located on the discharging screw 20 also is installed between upper cavity die 11 and upper bolster 7, when reverse stamping-out, time-delay spring 21 downward pushing tow upper cavity dies 11 make it can not follow upper bolster 7 risings at once, but stagnate a period of time in position.Die shoe 8 middle parts have the reverse blanking punch 12 corresponding with forward blanking punch 10, die shoe 8 is fixed with the lower cavity die 13 corresponding with upper cavity die 11 in the outside of reverse blanking punch 12, vertically be equipped with bootable forward blanking punch 10 on the forward blanking punch 10 and make vertical reciprocating upper guide post 14, and upper guide post 14 can limit the lateral displacement of forward blanking punch 10, to guarantee having the blade clearance between forward blanking punch 10 and the lower cavity die 13, oppositely vertically be equipped with bootable reverse blanking punch 12 on the blanking punch 12 and make vertically reciprocating guide pillar 15 down, following guide pillar 15 is similar to upper guide post 14 effects, can guarantee the blade clearance of reverse blanking punch 12 and upper cavity die 11.Oppositely the bottom of blanking punch 12 also is connected with top ereisma 17 by transmission rod 16, top ereisma 17 can move upward by wearing the reverse blanking punch 12 of power bar 16 pushing tows, also be provided with the liftout post 18 that slightly protrudes lower cavity die 13 upper surfaces in the lower cavity die 13, liftout post 18 bottoms are provided with spring 19, when die sinking, liftout post 18 can be taken out workpiece 22 jack-up easily, and when stamping-out, in the liftout post 18 pressurized indentation lower cavity dies 13, do not participate in stamping-out.
During the forward stamping-out, as shown in Figure 5, upper bolster 7 moves downward, upper cavity die 11 moves downward the top to be ended on workpiece 22, with lower cavity die 13 workpiece 22 is compressed, 10 of forward blanking punches continue to move downward stamping-out workpiece 22, oppositely blanking punch 12 pressurizeds and moving down, clamp-on the die cavity of lower cavity die 13 up to workpiece 22, workpiece 22 separates with stamping-out clout 24 and finishes the forward stamping-out.
Oppositely during stamping-out, as shown in Figure 6, upper bolster 7 moves upward, forward blanking punch 10 is followed upper bolster 7 and is moved upward, and under the thrusting action of time- delay stage clip 21,11 of upper cavity dies keep motionless a period of time, meanwhile oppositely blanking punch 12 moves upward under the effect of top ereisma 17, owing to having moved upward, forward blanking punch 10 reserved the space of reverse stamping-out, oppositely blanking punch 12 can utilize this space pushing tow workpiece 22 to move upward to carry out reverse stamping-out, in workpiece 22 is squeezed into the die cavity of upper cavity die 11 and finish reverse stamping-out.
In addition, as shown in Figure 7, the cutting edge of upper cavity die partly has the fillet 23 of radius 0.1mm, can delay the generation of crackle when making stamping-out, forms euphotic belt.During the forward stamping-out, the blade clearance between forward blanking punch 10 and the lower cavity die 13 is single face gap 0.05mm; Oppositely during stamping-out, oppositely blanking punch 12 is single face gap 0.02mm with the blade clearance of upper cavity die 11.
Claims (5)
1, a kind of two-way blanking die, comprise the upper bolster and the die shoe that are assembled together by guidance set, upper bolster can move up and down under the driving of drive unit, it is characterized in that: upper bolster has the forward blanking punch of the stamping-out downwards of following the upper bolster motion, die shoe has reverse blanking punch stamping-out and corresponding with forward blanking punch position that can make progress under drive unit drives, in addition, upper bolster has the upper cavity die that can follow the upper bolster motion and cooperate with reverse blanking punch, die shoe has the lower cavity die that is fixed in die shoe and cooperates with the forward blanking punch, on, the position of lower cavity die is corresponding mutually.
2, a kind of two-way blanking die according to claim 1; it is characterized in that: the upper and lower guide pillar that has vertical guiding on the upper and lower die holder respectively; the forward blanking punch slides and to be located on the upper guide post that can control forward punch and lower cavity die lateral clearance, and reverse blanking punch then slides to be located in and can control on the protruding following guide pillar of touching with the upper cavity die lateral clearance of reverse stamping-out.
3, a kind of two-way blanking die according to claim 1 is characterized in that: the stamping-out cutting edge edge of upper cavity die has fillet.
4, a kind of two-way blanking die according to claim 1 is characterized in that: be connected with between upper cavity die and the upper bolster and can delay upper cavity die and follow the time-delay spring that upper bolster rises.
5, a kind of two-way blanking die according to claim 1 is characterized in that: the die shoe bottom is provided with and can drives the top ereisma that reverse blanking punch moves upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420010880 CN2721273Y (en) | 2004-05-25 | 2004-05-25 | Double-directional blanking mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420010880 CN2721273Y (en) | 2004-05-25 | 2004-05-25 | Double-directional blanking mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2721273Y true CN2721273Y (en) | 2005-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420010880 Expired - Fee Related CN2721273Y (en) | 2004-05-25 | 2004-05-25 | Double-directional blanking mould |
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| CN (1) | CN2721273Y (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179440A (en) * | 2010-12-27 | 2011-09-14 | 重汽集团专用汽车公司 | Angle cutting mould for unfolded material of carriage trough girder |
| CN102284592A (en) * | 2011-07-22 | 2011-12-21 | 烟台宏林电子模具有限公司 | Continuous die upward blanking method |
| CN102310144A (en) * | 2010-07-06 | 2012-01-11 | 亿和精密金属制品(深圳)有限公司 | Device for synchronously blanking scraps and removing burrs for progressive die |
| CN102310137A (en) * | 2010-07-05 | 2012-01-11 | 上海德朗汽车零部件制造有限公司 | Trimming die for water chamber of all aluminium steam air heater |
| CN102489592A (en) * | 2011-11-30 | 2012-06-13 | 上海交通大学 | Single working step extruding method for machining full-bright region inner hole |
| CN102806264A (en) * | 2012-08-09 | 2012-12-05 | 河南星光机械制造有限公司 | Two-way fine stamping die and two-way fine stamping part processing method |
| CN102873184A (en) * | 2012-10-26 | 2013-01-16 | 昆山集智成模具有限公司 | High-precision bidirectional punch |
| CN103071722A (en) * | 2013-01-14 | 2013-05-01 | 山西惠丰机械工业有限公司 | Reciprocating fine blanking compound die |
| CN103071721A (en) * | 2013-01-14 | 2013-05-01 | 山西惠丰机械工业有限公司 | Reciprocating fine blanking die |
| CN103240326A (en) * | 2013-01-30 | 2013-08-14 | 杨国辉 | Method and punching die for punching scaffold board |
| CN103442860A (en) * | 2011-03-24 | 2013-12-11 | 名幸电子有限公司 | Method and apparatus for cutting substrate |
| CN103753642A (en) * | 2013-11-08 | 2014-04-30 | 青岛盈科精密橡塑有限公司 | Locating and forming die for polymer high-viscosity glue product |
| CN103909137A (en) * | 2013-01-08 | 2014-07-09 | 江苏高歌机电有限公司 | Burr-free machining die |
| CN104438546A (en) * | 2014-11-13 | 2015-03-25 | 宁波思进机械股份有限公司 | Edge trimming method for part formed through stamping and stamping and edge trimming device |
| CN105921598A (en) * | 2016-05-09 | 2016-09-07 | 武汉理工大学 | Fine blanking forming method for reducing or eliminating die roll |
| CN106424304A (en) * | 2016-11-04 | 2017-02-22 | 深圳市佰瑞兴实业有限公司 | Compound cutter mold for die cutting |
| CN107030178A (en) * | 2017-06-16 | 2017-08-11 | 威海华邦精冲科技股份有限公司 | Ring shaped metal workpiece burr removal device |
| CN109047461A (en) * | 2018-07-16 | 2018-12-21 | 温州职业技术学院 | A kind of diel for punching plates |
| CN109570344A (en) * | 2018-11-30 | 2019-04-05 | 东莞市斯浦昊模具有限公司 | Full-circle flanging progressive die production process |
| CN110899498A (en) * | 2019-11-20 | 2020-03-24 | 四川大学 | Movable reverse rivetless riveting die |
| CN112642919A (en) * | 2020-12-29 | 2021-04-13 | 常州工利精机科技有限公司 | Machining device and machining method for motor laminated core |
| CN112974620A (en) * | 2021-02-22 | 2021-06-18 | 深圳市恒达创新科技有限公司 | Burr-free stamping equipment and burr-free stamping method |
| CN114669652A (en) * | 2020-12-25 | 2022-06-28 | 无锡科里斯特科技有限公司 | A delay ejection device |
| CN115194002A (en) * | 2022-07-14 | 2022-10-18 | 歌尔股份有限公司 | Reverse blanking die and stamping equipment |
| CN116603916A (en) * | 2023-05-30 | 2023-08-18 | 东莞太阳茂森精密金属有限公司 | Die and process for solving burrs at continuous die connecting position |
-
2004
- 2004-05-25 CN CN 200420010880 patent/CN2721273Y/en not_active Expired - Fee Related
Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310137A (en) * | 2010-07-05 | 2012-01-11 | 上海德朗汽车零部件制造有限公司 | Trimming die for water chamber of all aluminium steam air heater |
| CN102310144B (en) * | 2010-07-06 | 2013-08-07 | 亿和精密金属制品(深圳)有限公司 | Device for synchronously blanking scraps and removing burrs for progressive die |
| CN102310144A (en) * | 2010-07-06 | 2012-01-11 | 亿和精密金属制品(深圳)有限公司 | Device for synchronously blanking scraps and removing burrs for progressive die |
| CN102179440A (en) * | 2010-12-27 | 2011-09-14 | 重汽集团专用汽车公司 | Angle cutting mould for unfolded material of carriage trough girder |
| CN102179440B (en) * | 2010-12-27 | 2015-12-16 | 中国重汽集团青岛重工有限公司 | Angle cutting mould for unfolded material of carriage trough girder |
| CN103442860B (en) * | 2011-03-24 | 2015-07-22 | 名幸电子有限公司 | Method and apparatus for cutting substrate |
| CN103442860A (en) * | 2011-03-24 | 2013-12-11 | 名幸电子有限公司 | Method and apparatus for cutting substrate |
| CN102284592A (en) * | 2011-07-22 | 2011-12-21 | 烟台宏林电子模具有限公司 | Continuous die upward blanking method |
| CN102284592B (en) * | 2011-07-22 | 2015-12-09 | 烟台宏林电子模具有限公司 | A kind of continuous mould blanking method upwards |
| CN102489592B (en) * | 2011-11-30 | 2014-04-16 | 上海交通大学 | Single working step extruding method for machining full-bright region inner hole |
| CN102489592A (en) * | 2011-11-30 | 2012-06-13 | 上海交通大学 | Single working step extruding method for machining full-bright region inner hole |
| CN102806264B (en) * | 2012-08-09 | 2015-01-14 | 河南星光机械制造有限公司 | Two-way fine stamping die and two-way fine stamping part processing method |
| CN102806264A (en) * | 2012-08-09 | 2012-12-05 | 河南星光机械制造有限公司 | Two-way fine stamping die and two-way fine stamping part processing method |
| CN102873184A (en) * | 2012-10-26 | 2013-01-16 | 昆山集智成模具有限公司 | High-precision bidirectional punch |
| CN103909137A (en) * | 2013-01-08 | 2014-07-09 | 江苏高歌机电有限公司 | Burr-free machining die |
| CN103071722B (en) * | 2013-01-14 | 2016-06-22 | 山西惠丰机械工业有限公司 | Reciprocal accurate blanking and piercing with combination tool mould |
| CN103071721A (en) * | 2013-01-14 | 2013-05-01 | 山西惠丰机械工业有限公司 | Reciprocating fine blanking die |
| CN103071721B (en) * | 2013-01-14 | 2015-12-02 | 山西惠丰机械工业有限公司 | Reciprocal fine-blanking die |
| CN103071722A (en) * | 2013-01-14 | 2013-05-01 | 山西惠丰机械工业有限公司 | Reciprocating fine blanking compound die |
| CN103240326B (en) * | 2013-01-30 | 2015-10-14 | 福建金正丰金属工业有限公司 | Scaffold board is carried out to method and the stamping die of punching |
| CN103240326A (en) * | 2013-01-30 | 2013-08-14 | 杨国辉 | Method and punching die for punching scaffold board |
| CN103753642A (en) * | 2013-11-08 | 2014-04-30 | 青岛盈科精密橡塑有限公司 | Locating and forming die for polymer high-viscosity glue product |
| CN103753642B (en) * | 2013-11-08 | 2015-12-30 | 青岛盈科精密橡塑有限公司 | A kind of positioning molding mould for polymer high-viscosity glue product |
| CN104438546B (en) * | 2014-11-13 | 2017-03-01 | 宁波思进机械股份有限公司 | The method for cutting edge of stamping part and punching and edge-cutting device |
| CN104438546A (en) * | 2014-11-13 | 2015-03-25 | 宁波思进机械股份有限公司 | Edge trimming method for part formed through stamping and stamping and edge trimming device |
| CN105921598B (en) * | 2016-05-09 | 2018-04-27 | 武汉理工大学 | A kind of fine-punching formation method that angle of collapsing is reduced or eliminated |
| CN105921598A (en) * | 2016-05-09 | 2016-09-07 | 武汉理工大学 | Fine blanking forming method for reducing or eliminating die roll |
| CN106424304A (en) * | 2016-11-04 | 2017-02-22 | 深圳市佰瑞兴实业有限公司 | Compound cutter mold for die cutting |
| CN107030178A (en) * | 2017-06-16 | 2017-08-11 | 威海华邦精冲科技股份有限公司 | Ring shaped metal workpiece burr removal device |
| CN109047461A (en) * | 2018-07-16 | 2018-12-21 | 温州职业技术学院 | A kind of diel for punching plates |
| CN109570344A (en) * | 2018-11-30 | 2019-04-05 | 东莞市斯浦昊模具有限公司 | Full-circle flanging progressive die production process |
| CN110899498A (en) * | 2019-11-20 | 2020-03-24 | 四川大学 | Movable reverse rivetless riveting die |
| CN114669652A (en) * | 2020-12-25 | 2022-06-28 | 无锡科里斯特科技有限公司 | A delay ejection device |
| CN112642919A (en) * | 2020-12-29 | 2021-04-13 | 常州工利精机科技有限公司 | Machining device and machining method for motor laminated core |
| CN112974620A (en) * | 2021-02-22 | 2021-06-18 | 深圳市恒达创新科技有限公司 | Burr-free stamping equipment and burr-free stamping method |
| CN115194002A (en) * | 2022-07-14 | 2022-10-18 | 歌尔股份有限公司 | Reverse blanking die and stamping equipment |
| CN116603916A (en) * | 2023-05-30 | 2023-08-18 | 东莞太阳茂森精密金属有限公司 | Die and process for solving burrs at continuous die connecting position |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |