CN103934347A - Method for realizing chipless shearing on basis of automobile sheet metal stamping and shearing die - Google Patents
Method for realizing chipless shearing on basis of automobile sheet metal stamping and shearing die Download PDFInfo
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- CN103934347A CN103934347A CN201410154264.2A CN201410154264A CN103934347A CN 103934347 A CN103934347 A CN 103934347A CN 201410154264 A CN201410154264 A CN 201410154264A CN 103934347 A CN103934347 A CN 103934347A
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- shearing
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Abstract
The invention provides a method for realizing chipless shearing on the basis of an automobile sheet metal stamping and shearing die. The shearing time difference is changed between a pair of primary side shears and a widthwise knife so that zero-clearance lap joint between edges can be achieved; zero-time-difference shearing between the edges is achieved; chipless shearing between the edges is achieved. According to the method for realizing chipless shearing on the basis of the automobile sheet metal stamping and shearing die, the problem in the die maintenance industry is solved, the maintenance cost is greatly reduced, and production efficiency is improved.
Description
Technical field
The present invention relates to field of automobile, relate in particular to a kind of method that realizes chipless shearing based on automobile metal plate work shearing mould.
Background technology
Automobile metal plate work shearing mould, because of production equipment, production technology, die cost, the factor impacts such as mold structure, need adopt cross-shear form when shearing die shear knife is designed and developed, cross-shear form shear knife easily produces a large amount of smear metals, and cannot avoid thoroughly doing away with smear metal generation.Smear metal is by concavo-convex bad the scrapping and the damage of mould of causing Surface Appearance.Traditional cross-shear form scissors maintenance process: mainly the edge of a knife is carried out to gap or soldering adjustment, cannot change its edge of a knife cross-shear mode, edge of a knife cross-shear has priority shear time poor, easily causes the edge of a knife to damage and smear metal produces; Cause that production quality is bad and production efficiency is low, maintenance cost is high, waste of human resource.
Clapper die spotting press is a kind of mould bedding-in equipment of specialty, be mainly used in the Mold Making later stage when bedding-in to upper and lower mould, with different exert pressure matched moulds.It adopts multiple reliable apparatus, and travelling table matched moulds positioner, upper mobile upset locking device, mechanical turnover device, hydraulic mandril, mould slide block control, safety anti-falling device etc. are housed.
Summary of the invention
The technical problem to be solved in the present invention, be to provide a kind of and realize based on automobile metal plate work shearing mould the method that chipless is sheared, can overcome that to intersect the shearing that brings of shear mould bad, improve production efficiency and part quality, and greatly reduced maintenance cost.
The present invention is achieved in that a kind of method that realizes chipless shearing based on automobile metal plate work shearing mould, comprises the steps:
On step 1, shearing mould, after matched moulds board, to punching press shearing die, pressurization presses down, and guarantees that shearing mould presses down, and confirms the depth of cut of CAM cutter;
Under step 2, maintenance shearing mould pressurizing state, indicate the depth of cut of CAM cutter;
Step 3, take off shearing mould from matched moulds board, remove CAM pressure source and confirm the depth of cut marker location of CAM cutter;
The CAM seat of step 4, shearing mould is fixed, and adds and real make it to rock;
After step 5, CAM seat are fixing, taking the positive blade of patrix of CAM seat as benchmark, the positive blade of the relative patrix of CAM seat upper knife edge are intersected to outstanding position and grind excision;
Step 6, CAM seat upper knife edge grind after excision, and the part of the corresponding shearing displacement deficiency to counterdie major cutting edge, carries out repair welding lengthening, thereby after ensureing to grind, the positive blade of patrix, counterdie major cutting edge shearing displacement maintain 3～5mm;
Step 7, shearing mould are upper to matched moulds board again, confirm the gap of CAM seat upper knife edge and counterdie major cutting edge, confirm that the shearing displacement of CAM seat upper knife edge and counterdie major cutting edge is 3～5mm, confirm that the laminating situation of CAM seat upper knife edge and patrix major cutting edge is zero;
After step 8, lapping-in are good, on matched moulds board, pressurization examination is cut, and judges three nought stats; Examination is cut into merit and can carries out shearing manipulation; Described three nought stats are: the positive blade of patrix of shearing mould and CAM seat upper knife edge zero clearance overlap joint, poor shearing of the positive blade of patrix of shearing mould and CAM seat upper knife edge zero-time, the positive blade of patrix of shearing mould and CAM seat upper knife edge chipless produce.
Further, described CAM pressure source comprises: spring or nitrogen cylinder.
Further, the gap of described CAM seat upper knife edge and counterdie major cutting edge, this gap is to shear 1/3 of thickness of slab.
Tool of the present invention has the following advantages: it is poor that the present invention changes shear time between former side scissors and positive cutting knife, realizes blade and blade zero clearance overlap joint; Poor shearing of blade and blade zero-time; Blade and blade zero smear metal, the present invention has captured a difficult problem for mold repair industry, greatly reduces maintenance cost, and has improved production efficiency.
Brief description of the drawings
Fig. 1 is the inventive method schematic flow sheet.
Detailed description of the invention
Consult shown in Fig. 1, a kind of method that realizes chipless shearing based on automobile metal plate work shearing mould of the present invention, comprises the steps:
On step 1, shearing mould, arrive after matched moulds board, to punching press shearing die, pressurization presses down, guarantee shearing mould presses down (whether the stop block that is matched moulds board has power), and confirm the depth of cut (distance that the depth of cut moves in each minutes for cutter, i.e. stroke) of CAM cutter; (being whether stop block has power)
Under step 2, maintenance shearing mould pressurizing state, indicate the depth of cut of CAM cutter; (mode of sign is: with scriber line, can not be with spraying paint or painting, prevention vestige is fuzzy)
Step 3, take off shearing mould from matched moulds board, remove CAM pressure source and confirm the depth of cut marker location of CAM cutter;
The CAM seat of step 4, shearing mould is fixed, and adds and real make it to rock; (mode that makes it to rock is: below CAM seat pressing plate, cushioning mortice lock is paid);
After step 5, CAM seat are fixing, taking the positive blade of patrix of CAM seat as benchmark, the positive blade of the relative patrix of CAM seat upper knife edge are intersected to outstanding position and grind excision (grinding excision by cutting machine);
Step 6, CAM seat upper knife edge grind after excision, and the part of the corresponding shearing displacement deficiency to counterdie major cutting edge, carries out repair welding lengthening, thereby after ensureing to grind, the positive blade of patrix, counterdie major cutting edge shearing displacement maintain 3～5mm;
Step 7, shearing mould are upper to matched moulds board again, confirm the gap of CAM seat upper knife edge and counterdie major cutting edge, confirm that the shearing displacement of CAM seat upper knife edge and counterdie major cutting edge is 3～5mm, confirm that the laminating situation of CAM seat upper knife edge and patrix major cutting edge is zero;
After step 8, lapping-in are good, on matched moulds board, pressurization examination is cut, and judges three nought stats; Examination is cut into merit and can carries out shearing manipulation; Described three nought stats are: the positive blade of patrix of shearing mould and CAM seat upper knife edge zero clearance overlap joint, poor shearing of the positive blade of patrix of shearing mould and CAM seat upper knife edge zero-time, the positive blade of patrix of shearing mould and CAM seat upper knife edge chipless produce.The present invention substitutes conventional cross by zero butt formula and cuts, and greatly lowers maintenance cost, and has improved production efficiency and part quality.
In addition, in the present invention, described CAM pressure source comprises: spring or nitrogen cylinder.Be that CAM pressure source is servicing unit.The gap of described CAM seat upper knife edge and counterdie major cutting edge, this gap is to shear 1/3 of thickness of slab.
In a word, the present invention can overcome automobile stamping panel beating shearing die and shear generation smear metal, causes the bad difficult problem of product, improves product yields and stamping production efficiency, and reduces and manufacture and maintenance cost.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (3)
1. realize based on automobile metal plate work shearing mould the method that chipless is sheared, it is characterized in that, comprise the steps:
On step 1, shearing mould, after matched moulds board, to punching press shearing die, pressurization presses down, and guarantees that shearing mould presses down, and confirms the depth of cut of CAM cutter;
Under step 2, maintenance shearing mould pressurizing state, indicate the depth of cut of CAM cutter;
Step 3, take off shearing mould from matched moulds board, remove CAM pressure source and confirm the depth of cut marker location of CAM cutter;
The CAM seat of step 4, shearing mould is fixed, and adds and real make it to rock;
After step 5, CAM seat are fixing, taking the positive blade of patrix of CAM seat as benchmark, the positive blade of the relative patrix of CAM seat upper knife edge are intersected to outstanding position and grind excision;
Step 6, CAM seat upper knife edge grind after excision, and the part of the corresponding shearing displacement deficiency to counterdie major cutting edge, carries out repair welding lengthening, thereby after ensureing to grind, the positive blade of patrix, counterdie major cutting edge shearing displacement maintain 3～5mm;
Step 7, shearing mould are upper to matched moulds board again, confirm the gap of CAM seat upper knife edge and counterdie major cutting edge, confirm that the shearing displacement of CAM seat upper knife edge and counterdie major cutting edge is 3～5mm, confirm that the laminating situation of CAM seat upper knife edge and patrix major cutting edge is zero;
After step 8, lapping-in are good, on matched moulds board, pressurization examination is cut, and judges three nought stats; Examination is cut into merit and can carries out shearing manipulation; Described three nought stats are: the positive blade of patrix of shearing mould and CAM seat upper knife edge zero clearance overlap joint, poor shearing of the positive blade of patrix of shearing mould and CAM seat upper knife edge zero-time, the positive blade of patrix of shearing mould and CAM seat upper knife edge chipless produce.
2. a kind of method that realizes chipless shearing based on automobile metal plate work shearing mould according to claim 1, is characterized in that: described CAM pressure source comprises: spring or nitrogen cylinder.
3. a kind of method that realizes chipless shearing based on automobile metal plate work shearing mould according to claim 1, is characterized in that: the gap of described CAM seat upper knife edge and counterdie major cutting edge, this gap is to shear 1/3 of thickness of slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410154264.2A CN103934347A (en) | 2014-04-17 | 2014-04-17 | Method for realizing chipless shearing on basis of automobile sheet metal stamping and shearing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410154264.2A CN103934347A (en) | 2014-04-17 | 2014-04-17 | Method for realizing chipless shearing on basis of automobile sheet metal stamping and shearing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103934347A true CN103934347A (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410154264.2A Pending CN103934347A (en) | 2014-04-17 | 2014-04-17 | Method for realizing chipless shearing on basis of automobile sheet metal stamping and shearing die |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6422438A (en) * | 1987-07-20 | 1989-01-25 | Aida Eng Ltd | Segmental die |
| CN101288931A (en) * | 2008-05-06 | 2008-10-22 | 南通超达机械科技有限公司 | Zero clearance blade producing method of shaping press cutting mold |
| CN101767156A (en) * | 2008-12-31 | 2010-07-07 | 中国第一汽车集团公司 | Numerical control machining method after quenching surface of drawing die |
| CN103056234A (en) * | 2012-10-23 | 2013-04-24 | 安徽荣达阀门有限公司 | Preparation process for punching female dies |
| CN103272950A (en) * | 2013-06-14 | 2013-09-04 | 沈阳飞机工业（集团）有限公司 | Machining process for narrow prolate irregular male die split parts of punching die |
-
2014
- 2014-04-17 CN CN201410154264.2A patent/CN103934347A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6422438A (en) * | 1987-07-20 | 1989-01-25 | Aida Eng Ltd | Segmental die |
| CN101288931A (en) * | 2008-05-06 | 2008-10-22 | 南通超达机械科技有限公司 | Zero clearance blade producing method of shaping press cutting mold |
| CN101767156A (en) * | 2008-12-31 | 2010-07-07 | 中国第一汽车集团公司 | Numerical control machining method after quenching surface of drawing die |
| CN103056234A (en) * | 2012-10-23 | 2013-04-24 | 安徽荣达阀门有限公司 | Preparation process for punching female dies |
| CN103272950A (en) * | 2013-06-14 | 2013-09-04 | 沈阳飞机工业（集团）有限公司 | Machining process for narrow prolate irregular male die split parts of punching die |
Non-Patent Citations (1)
| Title |
|---|
| 靖颖怡: "《模具制造工艺装备及应用》", 28 February 2009, 机械工业出版社 * |
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Application publication date: 20140723 |