CN102489600B - Process for stamping integrated floor board of heavy truck - Google Patents
Process for stamping integrated floor board of heavy truck Download PDFInfo
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- CN102489600B CN102489600B CN201110405859.7A CN201110405859A CN102489600B CN 102489600 B CN102489600 B CN 102489600B CN 201110405859 A CN201110405859 A CN 201110405859A CN 102489600 B CN102489600 B CN 102489600B
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Abstract
The invention discloses a process for stamping an integrated floor board of a heavy truck. The technical scheme is that: the process for stamping the integrated floor board of the heavy truck comprises the following steps of: blanking, drawing, drawing for second time, trimming, punching, flanging, shaping, performing side trimming, and punching a side hole. The process has the advantages of low die cost, high product quality, low production cost and high efficiency.
Description
Technical field
The present invention relates to a kind of Sheet Metal Forming Technology of integrated floor board of heavy truck, belong to auto parts and components stamping technology field.
Background technology
Generally design mix open type all of the floor of heavy truck and longitudinal floor beam, then weld.Have a kind of monoblock type floor (left and right symmetry) of a kind of use on heavy truck, by as a whole to floor and longitudinal floor beam design, do not need welding, entirety is stamping, can guarantee the assembly precision of flooring product.As shown in Figure 1, floor adopts galvanized steel plain sheet to the structure on floor, and steel plate materials thickness is between 1.5-2mm, and its shape is comparatively complicated, has specific product-forming.Because steel plate materials thickness is large, moulding complexity, does not have a kind of efficient, stay-in-grade process for monoblock type floor in prior art, can not meet technology and the quality requirement of its product.
Summary of the invention
The present invention is directed to the deficiency that current integrated floor board of heavy truck Sheet Metal Forming Technology exists, provide that a kind of die cost is low, product quality is high, production cost is low, the Sheet Metal Forming Technology of the integrated floor board of heavy truck that efficiency is high.
The present invention realizes by following technical measures: a kind of Sheet Metal Forming Technology of integrated floor board of heavy truck, it comprises the steps:
OP10: blanking;
OP20: drawing ground plate portion, with adjacent side location, carry out drawing, during drawing, left and right floor matched moulds;
OP30: drawing longitudinal floor beam part, left and right floor matched moulds completes on same secondary mould, with interior shape location;
OP40: deburring, plane punching, left and right floor matched moulds completes on same secondary mould; With interior shape location, the product surrounding after moulding is carried out to deburring, go out part hole;
OP50: flange, shaping, left and right floor matched moulds completes on same secondary mould; With interior shape location, the product after deburring is carried out to flange, shaping is carried out in product part, and the resilient portion producing after deburring is carried out to shaping;
OP60: side deburring, side punching, left and right floor matched moulds completes on same secondary mould; With interior shape location.
In described step OP20 and step OP30, the mould of the left and right longitudinal floor beam part of left and right ground of drawing plate portion and drawing all adopts inverted structure, punch and die are arranged on respectively on corresponding lower bolster and cope match-plate pattern, lower bolster is arranged on the workbench of forcing press, and cope match-plate pattern is arranged on the slide block of forcing press.
While carrying out described step OP30, first, by left and right ground plate portion with after on mould, holding pad is pushed down, the more left and right longitudinal floor beam part of drawing, the forcing press that this step is used possesses blocking function, the air cushion of forcing press promotes push rod product surrounding is compressed, when drawing arrives bottom dead centre, when press ram rises, require air cushion to have the regular hour to postpone, when upper holding pad and product disengage, now just jack-up of air cushion.
On above-mentioned cope match-plate pattern, be also installed with two groups of nitrogen cylinder cylinder bodies, the piston rod of two groups of nitrogen cylinders is fixedly connected with two holding pads respectively, and two holding pads can be implemented to compress to product.
In described step OP60, side deburring and side punching adopt Wedge mechanism, and the drift that rushes lateral aperture is fixed on Wedge mechanism, and Wedge mechanism can change into moving both vertically of mould the horizontal movement of drift, can go out lateral aperture simultaneously.
In described step OP20, increase technique and supplement, comprise supplementary, the increase technique step of product material.
Beneficial effect of the present invention is: during drawing, and left and right floor matched moulds, such advantage is: 1. enhance productivity and utilization rate of equipment and installations, production efficiency and product quality; 2. solved the unbalance loading problem in drawing: because the moulding degree of depth in longitudinal floor beam position is larger, and the serious unbalance loading of pressure during moulding, if matched moulds not, unbalance loading can impact the precision of press and life-span; 3, adopt composite die, multiple processing contents complete at a procedure, have reduced mould tricks, have reduced die cost, have shortened the die debugging cycle, because left and right part is processed simultaneously, are convenient to find the difference of left and right part, to guaranteeing that assembly precision is very favourable.
Accompanying drawing explanation
Fig. 1 is each operation schematic diagram in the present invention.
Fig. 2 is secondary drawing mould partial schematic diagram of the present invention.
Fig. 3 is the mould structure schematic diagram of matched moulds of the present invention.
Fig. 4 is the top view of Fig. 3.
Wherein: 1, workbench, 2, lower bolster, 3, die, 4, holding pad, 5, punch; 6, nitrogen cylinder, 7, cope match-plate pattern, 8, nitrogen cylinder, 9, holding pad, 10, product, 11, stripper, 12, push rod.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme, below by a specific embodiment, this programme is set forth.
As shown in drawings, a kind of Sheet Metal Forming Technology of integrated floor board of heavy truck, it comprises the steps:
OP10: blanking;
OP20: drawing ground plate portion, with adjacent side location, carry out drawing, during drawing, left and right floor matched moulds, can increase technique supplements simultaneously, comprise the supplementing of product material, increase technique step etc., also can adopt analysis software to carry out sunykatuib analysis to product forming process, find out the position of easily breaking, and take necessary technological measure, as: first fillet less part is amplified, after drawing, at follow-up trimming, carry out local shaping again, to reach the requirement of product drawing;
OP30: drawing longitudinal floor beam part, left and right floor matched moulds completes on same secondary mould, with interior shape location;
OP40: deburring, plane punching, left and right floor matched moulds completes on same secondary mould; With interior shape location, the product surrounding after moulding is carried out to deburring, go out part hole;
OP50: flange, shaping, left and right floor matched moulds completes on same secondary mould; With interior shape location, the product after deburring is carried out to flange, shaping is carried out in product part, and the resilient portion producing after deburring is carried out to shaping, to reach the shape of product requirement;
OP60: side deburring, side punching, left and right floor matched moulds completes on same secondary mould; With interior shape location, side deburring and side punching adopt Wedge mechanism, and the drift that rushes lateral aperture is fixed on Wedge mechanism, and Wedge mechanism can change into moving both vertically of mould the horizontal movement of drift, can go out lateral aperture simultaneously.
Wherein, in described step OP20 and step OP30, a drawing left side, right ground plate portion and a drawing left side, the mould of right longitudinal floor beam part all adopts inverted structure, punch 5 and die 3 are arranged on respectively on corresponding lower bolster 2 and cope match-plate pattern 7, lower bolster 2 is arranged on the workbench 1 of forcing press, cope match-plate pattern 7 is arranged on the slide block of forcing press, on cope match-plate pattern 7, be also installed with two groups of nitrogen cylinder cylinder bodies, every group at least one, concrete pressure as required of several needs and the power calculation of nitrogen cylinder of adopting obtained, nitrogen cylinder 6, 8 piston rod respectively with two holding pads 4, 9 are fixedly connected with, two holding pads 4, 9 can implement to compress to product.
While carrying out described step OP30, first, after left and right ground plate portion is pushed down with holding pad 4,9, the more left and right longitudinal floor beam part of drawing, the forcing press that this step is used possesses blocking function, the air cushion of forcing press promotes push rod 12 product 10 surroundings is compressed, when drawing arrives bottom dead centre, when press ram rises, require air cushion to have the regular hour to postpone, when holding pad 9 and product disengage, now just jack-up of air cushion, so just can guarantee that forming shape is not destroyed.
The processing contents such as the adjacent side location described in the present invention, interior shape location, mould, drawing are the basic terms in punching press field, belong to common practise.
The present invention can pass through or adopt existing techniques in realizing without the technical characterictic of describing; do not repeat them here; certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned giving an example; variation, remodeling, interpolation or replacement that those skilled in the art make in essential scope of the present invention, also should belong to protection scope of the present invention.
Claims (4)
1. a Sheet Metal Forming Technology for integrated floor board of heavy truck, is characterized in that, monoblock type floor refers to that floor and longitudinal floor beam are integrated and make, and it comprises the steps:
OP10: blanking;
OP20: drawing ground plate portion, with adjacent side location, carry out drawing, during drawing, left and right floor matched moulds;
OP30: drawing longitudinal floor beam part, left and right floor matched moulds completes on same secondary mould, with interior shape location;
OP40: deburring, plane punching, left and right floor matched moulds completes on same secondary mould; With interior shape location, the product surrounding after moulding is carried out to deburring, go out part hole;
OP50: flange, shaping, left and right floor matched moulds completes on same secondary mould; With interior shape location, the product after deburring is carried out to flange, shaping is carried out in product part, and the resilient portion producing after deburring is carried out to shaping;
OP60: side deburring, side punching, left and right floor matched moulds completes on same secondary mould; With interior shape location;
In described step OP20 and step OP30, the mould of the left and right longitudinal floor beam part of left and right ground of drawing plate portion and drawing all adopts inverted structure, punch and die are arranged on respectively on corresponding lower bolster and cope match-plate pattern, lower bolster is arranged on the workbench of forcing press, and cope match-plate pattern is arranged on the slide block of forcing press;
While carrying out described step OP30, first, by left and right ground plate portion with after on mould, holding pad is pushed down, the more left and right longitudinal floor beam part of drawing, the forcing press that this step is used possesses blocking function, the air cushion of forcing press promotes push rod product surrounding is compressed, when drawing arrives bottom dead centre, when press ram rises, require air cushion to have the regular hour to postpone, when upper holding pad and product disengage, now just jack-up of air cushion.
2. the Sheet Metal Forming Technology of integrated floor board of heavy truck according to claim 1, it is characterized in that, on described cope match-plate pattern, be also installed with two groups of nitrogen cylinder cylinder bodies, the piston rod of two groups of nitrogen cylinders is fixedly connected with two holding pads respectively, and two holding pads can be implemented to compress to product.
3. the Sheet Metal Forming Technology of integrated floor board of heavy truck according to claim 1 and 2, it is characterized in that, in described step OP60, side deburring and side punching adopt Wedge mechanism, the drift that rushes lateral aperture is fixed on Wedge mechanism, Wedge mechanism can change into moving both vertically of mould the horizontal movement of drift, can go out lateral aperture simultaneously.
4. the Sheet Metal Forming Technology of integrated floor board of heavy truck according to claim 1 and 2, is characterized in that, increases technique and supplement in described step OP20, comprises supplementary, the increase technique step of product material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110405859.7A CN102489600B (en) | 2011-12-08 | 2011-12-08 | Process for stamping integrated floor board of heavy truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110405859.7A CN102489600B (en) | 2011-12-08 | 2011-12-08 | Process for stamping integrated floor board of heavy truck |
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| CN102489600A CN102489600A (en) | 2012-06-13 |
| CN102489600B true CN102489600B (en) | 2014-04-16 |
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| CN201110405859.7A Active CN102489600B (en) | 2011-12-08 | 2011-12-08 | Process for stamping integrated floor board of heavy truck |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103406471A (en) * | 2013-01-30 | 2013-11-27 | 合肥昌河汽车有限责任公司 | Common mode manufacturing method for automobile covering part |
| CN105195604A (en) * | 2015-10-24 | 2015-12-30 | 无锡商业职业技术学院 | Automobile headlight base stamping process |
| CN105215159A (en) * | 2015-10-27 | 2016-01-06 | 辉泰（太仓）汽配有限公司 | A kind of fixing angle bar combined production process |
| CN108971332A (en) * | 2018-07-03 | 2018-12-11 | 肇庆市丰驰精密金属制品有限公司 | A kind of process for stamping of automobile engine accessory |
| CN109365637A (en) * | 2018-12-31 | 2019-02-22 | 许昌市儒燕科技信息咨询有限公司 | A kind of multi-station Die Used in Pressworking of automobile panel |
| CN110756663B (en) * | 2019-11-01 | 2024-04-30 | 浙江舜仕汽车技术有限公司 | Forming process of front end plate of automobile battery box |
| CN112139352A (en) * | 2020-08-20 | 2020-12-29 | 一汽奔腾轿车有限公司 | Stamping process of automobile front floor |
| CN112588954B (en) * | 2020-11-27 | 2022-11-29 | 东风汽车股份有限公司 | Reinforced floor front cross beam stamping process |
| CN112916708A (en) * | 2021-02-02 | 2021-06-08 | 东风汽车股份有限公司 | Shaping die for edge materials of front air window seam allowance of light-weight top cover plate and control method of shaping die |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092753U (en) * | 1991-01-08 | 1992-01-08 | 上海大众汽车有限公司 | Air cushion lock of compressor and rigidity measuring device |
| CN1028562C (en) * | 1991-01-08 | 1995-05-24 | 上海大众汽车有限公司 | Air cushion blockage and rigidity measuring method and device |
| US7337645B2 (en) * | 2006-07-27 | 2008-03-04 | Ford Motor Company | Draw press with a fixed draw punch and a floating draw punch |
| US7793531B2 (en) * | 2006-11-16 | 2010-09-14 | Gordon Baker | Adjustable corrugating die sets and method of forming corrugations of varying configurations |
| CN201500733U (en) * | 2009-05-05 | 2010-06-09 | 刘宏利 | General nitrogen spring-type mold frame |
| CN201516474U (en) * | 2009-09-23 | 2010-06-30 | 山东潍坊福田模具有限责任公司 | Die capable of solving cracking problem of floor parts during draw forming process |
| CN101941032B (en) * | 2010-07-15 | 2012-03-28 | 联伟汽车零部件(重庆)有限公司 | Local drawing and molding technology for rear cover plate of front section of automotive girder |
| CN201889361U (en) * | 2010-11-26 | 2011-07-06 | 浙江黄岩冲模厂 | Forward-drawing/reverse-drawing one-step deep-drawing die for large plastic deformation of thick plate |
| CN202010727U (en) * | 2010-12-23 | 2011-10-19 | 浙江黄岩冲模厂 | Obverse redrawing die for single-action press |
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