CN107626806A - Blanking die and its vibration and noise reducing method - Google Patents
Blanking die and its vibration and noise reducing method Download PDFInfo
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- CN107626806A CN107626806A CN201610569044.5A CN201610569044A CN107626806A CN 107626806 A CN107626806 A CN 107626806A CN 201610569044 A CN201610569044 A CN 201610569044A CN 107626806 A CN107626806 A CN 107626806A
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- vibration
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- noise reducing
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- punching
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Abstract
The present invention discloses a kind of blanking die and its vibration and noise reducing method, belongs to the manufacture field of stamping parts, more particularly to the design and use of slab and high-strength plate blanking die.By being selected in design of stamping die into the economic gap of the material, trimming and the post-processing of punching elder generation are realized, upper cross cutting side Cutting Edge Design is designed to ladder punching into inclined edge between piercing punch;In use, the oiling on part every certain amount.For the mould of pure trimming technology, upper cross cutting side cutting edge takes the vibration and noise reducing mode of inclined edge;For the mould of pure punching technology, piercing punch takes the vibration and noise reducing mode that ladder rushes;For the mould for having trimming to have punching technology, ladder is taken to rush into inclined edge, piercing punch upper cross cutting side Cutting Edge Design, trimming insert work cutting edge peak will be less than the minimum point of piercing punch.This technology can reduce vibration and noise in blanking die process, can reduce mould, equipment failure rate, reduce the harm to personnel's health.
Description
Technical field
The present invention relates to the manufacture field of stamping parts, more particularly to the design and use of slab and high-strength plate blanking die.
Background technology
With the continuous improvement of environmental requirement, lightweight has become the eternal topic of China Automobile Industry.In commercial car
Field, a kind of light-weighted trend is had become using the high-strength steel sheet that intensity is higher, thickness is bigger.High-strength steel sheet makes
With not only increasing the noise in blanking process and vibration, increase the influence physically and mentally healthy to employee, and add mould
And machine utilization, improve mould and equipment failure rate.A kind of new method is needed, is slowed down in slab and high-strength material punching press
Vibration and noise, reduce the influence to personnel, mould and equipment.
The content of the invention
It is an object of the invention to provide a kind of blanking die and its vibration and noise reducing method, reduces slab and high-strength steel sheet
Noise and vibration in blanking process, reduce the influence to personnel, mould, equipment etc..
To achieve the above object, technical solutions according to the invention are:
A kind of blanking die, it is inclined edge to be die cut side Cutting Edge Design thereon, and piercing punch is rushed using ladder.
Preferably, the work cutting edge peak of the trimming insert of upper mould is less than the minimum point of piercing punch.
Preferably, including the first inclined edge insert, the second inclined edge insert;
First inclined edge insert, the first inclined edge insert include straight line hypotenuse;
Second inclined edge insert includes the hypotenuse of a band bending, and bending is that two intersecting inclined edges are formed.
Preferably, the difference in height between the least significant end of the inclined edge and most significant end is more than the half of material thickness;The rank
Ladder punching includes at least two hierarchic structure.
A kind of method of blanking die vibration and noise reducing, it comprises the following steps:
Step 1:In mold design, for upper cross cutting side Cutting Edge Design into inclined edge, piercing punch is designed to that ladder rushes;
Step 2:In mould in use, every setting quantity, a lubricating oil is smeared on part.
Further, the step 1 still further comprises following methods:
S1:During industrial analysis, according to total punching force-summing device nominal pressure ratio, it is determined that needing the degree of vibration and noise reducing;
S2:For the mould of pure trimming technology, upper cross cutting side cutting edge takes the vibration and noise reducing mode of inclined edge;
S3:For the mould of pure punching technology, piercing punch takes the vibration and noise reducing mode that ladder rushes;
S4:For the mould for having trimming to have punching technology, rank is taken into inclined edge, piercing punch to upper cross cutting side Cutting Edge Design
Ladder punching, trimming insert work cutting edge peak will be less than the minimum point of piercing punch.
Further, according to device travel and vibration and noise reducing requirement, according to corresponding to 0.5KT ratio selects trimming cutting edge
Difference in height, wherein, K is the instantaneous blanking pressure of flat sword and the ratio of plan oblique edge blanking power, and T is material thickness.
Further, for the mould of pure punching technology, punch clearance first is designed according to the economic gap of material, with section
Euphotic belt thickness determines the height difference of ladder punching;According still further to device travel and vibration and noise reducing requirement, ladder punching is determined
Series;Reselection Blanking thick plank punch-pin, for multiple punch-pin closer to the distance, using the fixed plate and thickening pad of common type
Plate, mutually level punch-pin dispersed placement.
Further, it is further comprising the steps of in step 2, in mould Qualify Phase, noise reduction work is produced after determining oiling
Processing number of packages, the number of packages that each oiling needs to be spaced is indicated in process.
Further, the difference in height between the least significant end of the inclined edge and most significant end is more than the half of material thickness;It is described
Ladder punching includes at least two hierarchic structure.
A kind of method of blanking die vibration and noise reducing, it is particular in that, during design of stamping die, upper cross cutting
Side Cutting Edge Design forms ladder punching into inclined edge, between piercing punch;Punching uses slab dedicated male die, and punch-pin closer to the distance uses
Common type fixed plate and backing plate;In mould in use, the oiling on part every certain amount.
Beneficial effects of the present invention include:1. it is die cut between side cutting edge (1) and piercing punch (2,3) and forms difference in height,
The first post-processing of trimming and punching can be achieved, reduce the maximum instantaneous blanking pressure in blanking process, slow down shaking in blanking process
Dynamic and noise;2. side Cutting Edge Design is die cut on into the structure of inclined edge insert (6,7), as needed from the length and height of inclined edge
Difference, trimming maximum instantaneous blanking pressure can be reduced, slow down the vibration during trimming and noise;3. all piercing punches are according to ladder
Design height size is rushed, selects ladder to rush series as needed, can be achieved to reduce punching maximum instantaneous blanking pressure;4. punch process
During, every coating lubricating oil in certain amount, part, certain blanking noise can be reduced.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples:
Fig. 1 is the schematic diagram for forming difference in height in the blanking die of the present invention between trimming cutting edge and punching;
Fig. 2 is the schematic diagram of flat sword insert;
Fig. 3 is the schematic diagram of the first inclined edge insert of the present invention;
Fig. 4 is the schematic diagram of the second inclined edge insert of the present invention;
Fig. 5 is the schematic diagram that the ladder of the punching of the present invention rushes one embodiment of structure;
Fig. 6 is the front view of the schematic diagram of one group of isolated drift fixed seat;
Fig. 7 is the side view with broken section of the schematic diagram of one group of isolated drift fixed seat;
Fig. 8 is the front view of the schematic diagram of the common type punch fixing plate of the present invention;
Fig. 9 is the side view cutaway drawing of the schematic diagram of the common type punch fixing plate of the present invention.
Part symbol description:
1. trimming cutting edge, 2,3. piercing punches, 4. processing parts, 5. flat sword inserts, 6. second inclined edge inserts, 7. first is oblique
Sword insert, 8. piercing punch ladders rush structure, 9. isolated piercing punch fixed plates, 10. isolated piercing punch backing plates, and 11.
Common type piercing punch fixed plate, 12. common type piercing punch backing plates.
Embodiment
The present invention is further described below:
Blanking die, it is inclined edge to be die cut side Cutting Edge Design thereon, and piercing punch is rushed using ladder.
In a preferred embodiment, the work cutting edge peak of the trimming insert of upper mould is minimum less than piercing punch
Point.
In a preferred embodiment, including the first inclined edge insert, the second inclined edge insert;First inclined edge insert, first is oblique
Sword insert includes straight line hypotenuse.
In a preferred embodiment, including the second inclined edge insert includes the hypotenuse of a band bending, and bending is two phases
Inclined edge is handed over to be formed.
In a preferred embodiment, the difference in height of inclined edge is more than the half of material thickness.
In a preferred embodiment, ladder punching includes at least two hierarchic structure.
The method of blanking die vibration and noise reducing, comprises the following steps:
Step 1:In mold design, for upper cross cutting side Cutting Edge Design into inclined edge, piercing punch is designed to that ladder rushes;Technique point
During analysis, according to total punching force-summing device nominal pressure ratio, it is determined that needing the degree of vibration and noise reducing for the mould of pure trimming technology
Tool, upper cross cutting side cutting edge take the vibration and noise reducing mode of inclined edge;For the mould of pure punching technology, piercing punch takes ladder to rush
Vibration and noise reducing mode;For the mould for having trimming to have punching technology, upper cross cutting side Cutting Edge Design is adopted into inclined edge, piercing punch
Ladder is taken to rush, trimming insert work cutting edge peak will be less than the minimum point of piercing punch.
Step 2:In mould in use, every setting quantity, a lubricating oil is smeared on part.According to device travel and
Vibration and noise reducing requirement, according to 0.5KT ratio select trimming cutting edge corresponding to difference in height, wherein, K be the instantaneous blanking pressure of flat sword and
Plan the ratio of oblique edge blanking power, T is material thickness.
For the mould of pure punching technology, punch clearance first is designed according to the economic gap of material, with section light tape thickness
Degree size determines the height difference of ladder punching;According still further to device travel and vibration and noise reducing requirement, the series that ladder rushes is determined;Select again
Blanking thick plank punch-pin is selected, for multiple punch-pin closer to the distance, using the fixed plate and thickening backing plate of common type, identical height
Punch-pin dispersed placement.
In mould Qualify Phase, the processing number of packages of generation Noise Reduction after oiling is determined, indicates apply every time in process
Oil needs the number of packages being spaced.
In concrete operations:
1st, when industrial analysis designs, blanking pressure and equipment nominal pressure ratio are calculated, ratio is bigger, vibration during punching and
Noise is bigger;
2nd, trimming technology upper mould trimming insert is designed to the second inclined edge insert (6) or first inclined edge insert (7) cutting edge
Structure, punching technology die punching punch design rush the demonstration structure of structure (8) into piercing punch ladder.According to the stroke of equipment
And needs, inclined edge length and difference in height are selected, selects ladder to rush the difference in height of every grade of sum of series;
3rd, in design of stamping die, upper mould edge mouth designs according to inclined edge, and piercing punch is highly designed to that ladder rushes,.On
Mould edge mouth (1) trim portion peak will be less than minimum piercing punch (4), make trimming prior to punching processing;
4th, the economic blade clearance of punching the selection of material, ladder rush every grade of difference in height numerical value, set according to bright tape thickness
Meter;
5th, select Blanking thick plank punch-pin, for multiple punch-pin closer to the distance, using common type fixed plate (11) and
Backing plate (12) is thickeied, mutually level punch-pin uses dispersed placement;
6th, determine to smear a lubricant, the lasting number of packages of noise can be reduced, be incorporated into technique, work in-process is grasped as requested
Make.
Finally it should be noted that:Above example is only illustrating the technical scheme of this case rather than its limitations;Although
This case is described in detail with reference to preferred embodiment, those of ordinary skills in the art should understand that:Still can be with
The embodiment of this case is modified or equivalent substitution is carried out to some technical characteristics;Without departing from the technical program
Spirit, it all should cover among the claimed technical scheme scope of this case.
Claims (10)
1. a kind of blanking die, it is characterised in that it is inclined edge to be above die cut side Cutting Edge Design, and piercing punch is rushed using ladder.
A kind of 2. blanking die according to claim 1, it is characterised in that the work cutting edge highest of the trimming insert of upper mould
Minimum point of the point less than piercing punch.
A kind of 3. blanking die according to claim 1, it is characterised in that
Including the first inclined edge insert, the second inclined edge insert;
First inclined edge insert, the first inclined edge insert include straight line hypotenuse;
Second inclined edge insert includes the hypotenuse of a band bending, and bending is that two intersecting inclined edges are formed.
A kind of 4. blanking die as described in any one of claims 1 to 3, it is characterised in that the least significant end of the inclined edge with most
Difference in height between high-end is more than the half of material thickness;The ladder punching includes at least two hierarchic structure.
A kind of 5. method of blanking die vibration and noise reducing, it is characterised in that comprise the following steps:
Step 1:In mold design, for upper cross cutting side Cutting Edge Design into inclined edge, piercing punch is designed to that ladder rushes;
Step 2:In mould in use, every setting quantity, a lubricating oil is smeared on part.
6. the vibration and noise reducing method of a kind of blanking die as claimed in claim 5, it is characterised in that the step 1 also enters one
Step includes following methods:
S1:During industrial analysis, according to total punching force-summing device nominal pressure ratio, it is determined that needing the degree of vibration and noise reducing;
S2:For the mould of pure trimming technology, upper cross cutting side cutting edge takes the vibration and noise reducing mode of inclined edge;
S3:For the mould of pure punching technology, piercing punch takes the vibration and noise reducing mode that ladder rushes;
S4:For the mould for having trimming to have punching technology, ladder is taken into inclined edge, piercing punch to upper cross cutting side Cutting Edge Design
Punching, trimming insert work cutting edge peak will be less than the minimum point of piercing punch.
7. the vibration and noise reducing method of a kind of blanking die as claimed in claim 5, it is characterised in that according to device travel and subtract
Shake noise reduction requirement, the difference in height according to corresponding to 0.5KT ratio selects trimming cutting edge, wherein, K is the instantaneous blanking pressure of flat sword and meter
The ratio of oblique edge blanking power is drawn, T is material thickness.
8. the vibration and noise reducing method of a kind of blanking die as claimed in claim 6, it is characterised in that for pure punching technology
Mould, punch clearance first is designed according to the economic gap of material, the difference in height of ladder punching is determined with section euphotic belt thickness
Value;According still further to device travel and vibration and noise reducing requirement, the series that ladder rushes is determined;Reselection Blanking thick plank punch-pin, for away from
From nearer multiple punch-pin, using the fixed plate and thickening backing plate of common type, mutually level punch-pin dispersed placement.
A kind of 9. vibration and noise reducing method of blanking die as claimed in claim 5, it is characterised in that step 2 also include with
Lower step, in mould Qualify Phase, the processing number of packages of generation Noise Reduction after oiling is determined, indicates each oiling in process
Need the number of packages being spaced.
A kind of 10. vibration and noise reducing method of blanking die as described in claim 5 to 9 is any, it is characterised in that the inclined edge
Least significant end and most significant end between difference in height be more than or equal to material thickness half;The ladder punching includes at least two ladder
Structure.
Priority Applications (1)
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CN201610569044.5A CN107626806A (en) | 2016-07-19 | 2016-07-19 | Blanking die and its vibration and noise reducing method |
Applications Claiming Priority (1)
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CN201610569044.5A CN107626806A (en) | 2016-07-19 | 2016-07-19 | Blanking die and its vibration and noise reducing method |
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CN107626806A true CN107626806A (en) | 2018-01-26 |
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ID=61113344
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CN201610569044.5A Pending CN107626806A (en) | 2016-07-19 | 2016-07-19 | Blanking die and its vibration and noise reducing method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112676437A (en) * | 2020-12-07 | 2021-04-20 | 安徽江淮汽车集团股份有限公司 | Punching die and punching machine for frame longitudinal beam and classification method of punching head |
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CN201088989Y (en) * | 2007-06-26 | 2008-07-23 | 比亚迪股份有限公司 | Blanking die |
CN202087673U (en) * | 2011-05-04 | 2011-12-28 | 万俊 | Labor-saving anti-breakage punch head |
KR20120082843A (en) * | 2011-01-14 | 2012-07-24 | 주식회사 에스 피 지 | Press die apparatus for manufacturing the rotor of line start permanent magnet motor |
CN202539331U (en) * | 2012-03-15 | 2012-11-21 | 东莞市中泰模具有限公司 | Punching head |
CN202862299U (en) * | 2012-10-12 | 2013-04-10 | 珠海格力电器股份有限公司 | Shutter mould |
CN103406432A (en) * | 2013-07-18 | 2013-11-27 | 苏州旭创精密模具有限公司 | Automobile exhaust system fixing-type clamp die |
CN203390055U (en) * | 2013-05-20 | 2014-01-15 | 四川西蜀电力金具集团有限公司 | Machining die for right angle hanging plate |
CN204294729U (en) * | 2014-12-10 | 2015-04-29 | 吉林大学 | A kind of porcupine die of drift able to quickly change |
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2016
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201088989Y (en) * | 2007-06-26 | 2008-07-23 | 比亚迪股份有限公司 | Blanking die |
KR20120082843A (en) * | 2011-01-14 | 2012-07-24 | 주식회사 에스 피 지 | Press die apparatus for manufacturing the rotor of line start permanent magnet motor |
CN202087673U (en) * | 2011-05-04 | 2011-12-28 | 万俊 | Labor-saving anti-breakage punch head |
CN202539331U (en) * | 2012-03-15 | 2012-11-21 | 东莞市中泰模具有限公司 | Punching head |
CN202862299U (en) * | 2012-10-12 | 2013-04-10 | 珠海格力电器股份有限公司 | Shutter mould |
CN203390055U (en) * | 2013-05-20 | 2014-01-15 | 四川西蜀电力金具集团有限公司 | Machining die for right angle hanging plate |
CN103406432A (en) * | 2013-07-18 | 2013-11-27 | 苏州旭创精密模具有限公司 | Automobile exhaust system fixing-type clamp die |
CN204294729U (en) * | 2014-12-10 | 2015-04-29 | 吉林大学 | A kind of porcupine die of drift able to quickly change |
Non-Patent Citations (1)
Title |
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吴永清 等: "横梁厚板冲裁模具设计", 《科技创新与应用》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112676437A (en) * | 2020-12-07 | 2021-04-20 | 安徽江淮汽车集团股份有限公司 | Punching die and punching machine for frame longitudinal beam and classification method of punching head |
CN112676437B (en) * | 2020-12-07 | 2022-01-07 | 安徽江淮汽车集团股份有限公司 | Punching die and punching machine for frame longitudinal beam and classification method of punching head |
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Application publication date: 20180126 |