CN103962799B - A kind of drawing process of workpiece with flange - Google Patents
A kind of drawing process of workpiece with flange Download PDFInfo
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- CN103962799B CN103962799B CN201410084104.5A CN201410084104A CN103962799B CN 103962799 B CN103962799 B CN 103962799B CN 201410084104 A CN201410084104 A CN 201410084104A CN 103962799 B CN103962799 B CN 103962799B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 81
- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000004080 punching Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000009966 trimming Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000003698 laser cutting Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/201—Work-pieces; preparation of the work-pieces, e.g. lubricating, coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/26—Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/30—Deep-drawing to finish articles formed by deep-drawing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The drawing process of a kind of workpiece with flange disclosed by the invention, comprises the following steps: 1.1 require material to be processed to carry out punching according to specification of workpieces; 1.2 pairs of materials carry out 10 stamper stretching processing successively; Material after 1.3 pairs of stretch processings, according to the trimming of workpiece shape need, carries out deburr or coin, bending, punching and blanking processing then, obtains finished product. The workpiece with flange that drawing process of the present invention is produced is formed in one, and structure quite stable can not cause flange relax or come off for a long time because crossing service time; Because this drawing process carries out the stamper stretching of 10 times when flange in processing, the precision of flange is high, meets high-precision workpiece requirement; Whole technological process is smooth and easy, and production efficiency is high.
Description
Technical field
The present invention relates to material during tensile technique, relate in particular to a kind of drawing process of workpiece with flange.
Background technology
Referring to Fig. 1, a kind of traditional workpiece with flange providing in figure, this workpiece, in process, is distinguished moulding workThe main part 1 of part and flange portion 2, be fixedly connected on main part by welding or other connected modes by flange portion 2Divide on 1, form workpiece with flange. There are following problems in this processing technology: 1, structural instability, service time is of a specified duration, holdsBe prone to the situation that flange is lax or come off, affect the syndeton between workpiece; 2, owing to will distinguishing processing work main bodyPart and flange portion, increased processing technology step, and processing cost is high; 3, the workpiece accuracy that this technique is processed is difficult to protectCard.
Summary of the invention
Technical problem to be solved by this invention: provide a kind of workpiece with flange one to become for the deficiencies in the prior artThe drawing process of type.
Technical problem solved by the invention can realize by the following technical solutions:
A drawing process for workpiece with flange, comprises the following steps:
1.1 require material to be processed to carry out punching according to specification of workpieces;
1.2 pairs of materials carry out 10 stamper stretching processing successively, wherein:
1.2.1 stretch for the first time, drawing coefficient is 0.28～0.32, and the diameter of flange is 26.0～26.4mm, flangeThe degree of depth is 11.4～11.8mm, and die oral area radius is 4 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.2 stretch for the second time, drawing coefficient is 0.34～0.38, and the diameter of flange is 26.0～26.4mm, flangeThe degree of depth is 15.9～16.3mm, and die oral area radius is 3 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.3 stretch for the third time, drawing coefficient is 0.46～0.50, and the diameter of flange is 22.3～22.7mm, flangeThe degree of depth is 15.9～16.3mm, and die oral area radius is 2.8 times of material thickness t, and the gap between concave-convex mold is 1 times of material thicknesst；
1.2.4 stretch for the 4th time, drawing coefficient is 0.50～0.54, and the diameter of flange is 22.3～22.7mm, flangeThe degree of depth is 14.7～15.1mm, and die oral area radius is 2.2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thicknesst；
1.2.5 stretch for the 5th time, drawing coefficient is 0.60～0.64, and the diameter of flange is 19.3～19.7mm, flangeThe degree of depth is 15.9～16.3mm, and die oral area radius is 2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.6 stretch for the 6th time, drawing coefficient is 0.67～0.71, and the diameter of flange is 17.8～18.2mm, flangeThe degree of depth is 15.9～16.3mm, and die oral area radius is 2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.7 stretch for the 7th time, drawing coefficient is 0.70～0.74, and the diameter of flange is 16.8～17.2mm, flangeThe degree of depth is 15.9～16.3mm, and die oral area radius is 2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.8 stretch for the 8th time, drawing coefficient is 0.79～0.83, and the diameter of flange is 16.2～16.6mm, flangeThe degree of depth is 13.8～14.2mm, and die oral area radius is 1.25 times of material thickness t, and the gap between concave-convex mold is that 1 times of material is thickDegree t;
1.2.9 stretch for the 9th time, drawing coefficient is 0.92～0.96, and the diameter of flange is 12.5～12.9mm, flangeThe degree of depth is 14.4～14.8mm, and die oral area radius is 1.25 times of material thickness t, and the gap between concave-convex mold is that 1 times of material is thickDegree t;
1.2.10 stretch for the tenth time, drawing coefficient is 0.94～0.98, and the diameter of flange is 10.1～10.5mm, flangeThe degree of depth is 13.4～13.8mm, and die oral area radius is 0.94 times of material thickness t, and the gap between concave-convex mold is that 1 times of material is thickDegree t;
Material after 1.3 pairs of stretch processings is according to the trimming of workpiece shape need, then carry out deburr or coin, bending, punching withAnd blanking processing, obtain finished product.
In a preferred embodiment of the invention, stretch for the third time stretch with the 4th time between, stretch for the 6th time and theBetween stretching for seven times, stretch for the 8th time stretch with the 9th time between and be provided with afterwards step the tenth time.
In a preferred embodiment of the invention, the thickness t of described material is 1.0～2.0mm.
The workpiece with flange that drawing process of the present invention is produced is formed in one, and structure quite stable can be when not usingBetween cross for a long time and cause flange lax or come off; Because this drawing process carries out the stamper stretching of 10 times when flange in processing, protrudingThe precision of edge is high, meets high-precision workpiece requirement; Whole technological process is smooth and easy, and production efficiency is high.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existingHave the accompanying drawing of required use in technical description to be briefly described, apparently, the accompanying drawing in the following describes is only thisSome embodiment of invention, for those of ordinary skill in the art, not paying under the prerequisite of creative work, all rightObtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the product of traditional handicraft production.
Fig. 2 is the front view of the product of explained hereafter of the present invention.
Fig. 3 is the top view of the product of explained hereafter of the present invention.
Fig. 4 a is the flow chart of the main apparent direction of technique of the present invention.
Fig. 4 b is the flow chart that technique of the present invention is overlooked direction.
Fig. 5 a is the A place enlarged drawing of Fig. 4 a and Fig. 4 b.
Fig. 5 b is the B place enlarged drawing of Fig. 4 a and Fig. 4 b.
Fig. 5 c is the C place enlarged drawing of Fig. 4 a and Fig. 4 b.
Detailed description of the invention
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, knot belowClose concrete diagram, further set forth the present invention.
Referring to Fig. 4 a, Fig. 4 b, Fig. 5 a, Fig. 5 b and Fig. 5 c, the drawing process of workpiece with flange of the present invention, comprises followingStep:
1, prepare material to be processed 100, material 100 can be some metal materials such as stainless steel materials, aluminum alloy plate materialsMaterial, material 100 is processed to strip, and its thickness t is 1.0～2.0mm, then material 100 is placed on technological process line, entersOne step processing;
2, adopt puncher respectively to punch in the transverse edge both sides of the material 100 of strip, formation locating hole 110a,110b, along with technological process line, enters next step processing;
3, adopt laser cutting machine cut respectively in the transverse edge both sides of the material 100 of strip under the stripping and slicing of I shape120a, 120b, stripping and slicing 120a, 120b lay respectively between adjacent locating hole 110a, 110b, enter next step processing, underIn one step processing, again adopt laser cutting machine on the material 100 of strip, cut under stripping and slicing 130;
4, adopt the material 100 of molding press after to punching and trimming to carry out successively 10 stamper stretching processing, form flange140, as follows:
4.1 stretch for the first time, and drawing coefficient is 0.28～0.32, and the diameter of flange is 26.0～26.4mm, flange darkDegree is 11.4～11.8mm, and die oral area radius is 4 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
4.2 stretch for the second time, and drawing coefficient is 0.34～0.38, and the diameter of flange is 26.0～26.4mm, flange darkDegree is 15.9～16.3mm, and die oral area radius is 3 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
4.3 stretch for the third time, and drawing coefficient is 0.46～0.50, and the diameter of flange is 22.3～22.7mm, flange darkDegree is 15.9～16.3mm, and die oral area radius is 2.8 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
Stretch for 4.4 the 4th times, drawing coefficient is 0.50～0.54, and the diameter of flange is 22.3～22.7mm, flange darkDegree is 14.7～15.1mm, and die oral area radius is 2.2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
Stretch for 4.5 the 5th times, drawing coefficient is 0.60～0.64, and the diameter of flange is 19.3～19.7mm, flange darkDegree is 15.9～16.3mm, and die oral area radius is 2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
Stretch for 4.6 the 6th times, drawing coefficient is 0.67～0.71, and the diameter of flange is 17.8～18.2mm, flange darkDegree is 15.9～16.3mm, and die oral area radius is 2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
Stretch for 4.7 the 7th times, drawing coefficient is 0.70～0.74, and the diameter of flange is 16.8～17.2mm, flange darkDegree is 15.9～16.3mm, and die oral area radius is 2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
Stretch for 4.8 the 8th times, drawing coefficient is 0.79～0.83, and the diameter of flange is 16.2～16.6mm, flange darkDegree is 13.8～14.2mm, and die oral area radius is 1.25 times of material thickness t, and the gap between concave-convex mold is 1 times of material thicknesst；
Stretch for 4.9 the 9th times, drawing coefficient is 0.92～0.96, and the diameter of flange is 12.5～12.9mm, flange darkDegree is 14.4～14.8mm, and die oral area radius is 1.25 times of material thickness t, and the gap between concave-convex mold is 1 times of material thicknesst；
Stretch for 4.10 the tenth times, drawing coefficient is 0.94～0.98, and the diameter of flange is 10.1～10.5mm, flange darkDegree is 13.4～13.8mm, and die oral area radius is 0.94 times of material thickness t, and the gap between concave-convex mold is 1 times of material thicknesst；
Wherein, for the third time stretch with the 4th time stretch between, the 6th time stretch with the 7th time stretching between, the 8th time stretchingAnd between stretching for the 9th time and after the tenth time, be provided with step, the object of doing is like this in order to make whole process flowCheng Gengjia smoothness, effectively solved because of the asynchronism(-nization) used of different step technique cause technological process not smooth or stagnateProblem;
5, adopt laser cutting machine to cut the stripping and slicing 150a of next U font in a side of flange 140, the while can be at materialTypewriting die on 100, and reserving step, then carry out next step processing;
6, adopt laser cutting machine to cut the stripping and slicing 150b of next U font at the opposite side of flange 140, at this moment formed bandThe workpiece blank of flange;
7, workpiece with flange blank is carried out to deburr or coin, bending, conventional punching and blanking processing, finally obtains finished product,As shown in Figures 2 and 3. Deburr or coin, bending, conventional punching, shaping and blanking have been the concerned process steps of this product, are this neckThe conventional operation in territory, the present embodiment does not describe in detail.
More than show and described general principle of the present invention and principal character and advantage of the present invention. The technology of the industryPersonnel should understand, and the present invention is not restricted to the described embodiments, and the just explanation of describing in above-described embodiment and description originallyThe principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changesChange and improve and all fall in the claimed scope of the invention. The claimed scope of the present invention by appending claims andEquivalent defines.
Claims (3)
1. a drawing process for workpiece with flange, is characterized in that, comprises the following steps:
1.1 require material to be processed to carry out punching according to specification of workpieces;
1.2 pairs of materials carry out 10 stamper stretching processing successively, wherein:
1.2.1 stretch for the first time, drawing coefficient is 0.28～0.32, and the diameter of flange is 26.0～26.4mm, the degree of depth of flangeBe 11.4～11.8mm, die oral area radius is 4 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.2 stretch for the second time, drawing coefficient is 0.34～0.38, and the diameter of flange is 26.0～26.4mm, the degree of depth of flangeBe 15.9～16.3mm, die oral area radius is 3 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.3 stretch for the third time, drawing coefficient is 0.46～0.50, and the diameter of flange is 22.3～22.7mm, the degree of depth of flangeBe 15.9～16.3mm, die oral area radius is 2.8 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.4 stretch for the 4th time, drawing coefficient is 0.50～0.54, and the diameter of flange is 22.3～22.7mm, the degree of depth of flangeBe 14.7～15.1mm, die oral area radius is 2.2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.5 stretch for the 5th time, drawing coefficient is 0.60～0.64, and the diameter of flange is 19.3～19.7mm, the degree of depth of flangeBe 15.9～16.3mm, die oral area radius is 2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.6 stretch for the 6th time, drawing coefficient is 0.67～0.71, and the diameter of flange is 17.8～18.2mm, the degree of depth of flangeBe 15.9～16.3mm, die oral area radius is 2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.7 stretch for the 7th time, drawing coefficient is 0.70～0.74, and the diameter of flange is 16.8～17.2mm, the degree of depth of flangeBe 15.9～16.3mm, die oral area radius is 2 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.8 stretch for the 8th time, drawing coefficient is 0.79～0.83, and the diameter of flange is 16.2～16.6mm, the degree of depth of flangeBe 13.8～14.2mm, die oral area radius is 1.25 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.9 stretch for the 9th time, drawing coefficient is 0.92～0.96, and the diameter of flange is 12.5～12.9mm, the degree of depth of flangeBe 14.4～14.8mm, die oral area radius is 1.25 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
1.2.10 stretch for the tenth time, drawing coefficient is 0.94～0.98, and the diameter of flange is 10.1～10.5mm, the degree of depth of flangeBe 13.4～13.8mm, die oral area radius is 0.94 times of material thickness t, and the gap between concave-convex mold is 1 times of material thickness t;
Material after 1.3 pairs of stretch processings carries out, according to the trimming of workpiece shape need, carrying out deburr or coin, bending, punching and fallingMaterial is processed, and obtains finished product.
2. the drawing process of workpiece with flange as claimed in claim 1, is characterized in that, stretches for the third time and stretches with the 4th timeBetween, stretch for the 6th time stretch with the 7th time between, stretch for the 8th time with the 9th stretching between and all establish afterwards for the tenth timeBe equipped with step.
3. the drawing process of workpiece with flange as claimed in claim 1 or 2, is characterized in that, the thickness t of described material is1.0～2.0mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084104.5A CN103962799B (en) | 2014-03-07 | 2014-03-07 | A kind of drawing process of workpiece with flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084104.5A CN103962799B (en) | 2014-03-07 | 2014-03-07 | A kind of drawing process of workpiece with flange |
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| Publication Number | Publication Date |
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| CN103962799A CN103962799A (en) | 2014-08-06 |
| CN103962799B true CN103962799B (en) | 2016-05-04 |
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| CN201410084104.5A Active CN103962799B (en) | 2014-03-07 | 2014-03-07 | A kind of drawing process of workpiece with flange |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107774796B (en) * | 2017-10-10 | 2019-07-02 | 广东吕华集团有限公司 | The stretch forming process of copper alloy shock-absorbing sleeve |
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|---|---|---|---|---|
| CN101660631A (en) * | 2008-08-29 | 2010-03-03 | 现代自动车株式会社 | Wiring fixing flange and method for manufacturing the same |
| CN101934435A (en) * | 2009-06-30 | 2011-01-05 | 通用电气公司 | Be used to assemble the method and the flange of pylon |
| CN102189374A (en) * | 2010-02-04 | 2011-09-21 | 玛帝克株式会社 | Manufacturing method of flange structure |
| CN102729013A (en) * | 2012-07-05 | 2012-10-17 | 德清县天创五金制品有限公司 | C-type steel hot extrusion production process |
| CN102922223A (en) * | 2011-08-10 | 2013-02-13 | 上海东芙冷锻制造有限公司 | Cold forging process for steering flange sleeve of automobile |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100113305A (en) * | 2009-04-13 | 2010-10-21 | 주식회사 원프렌지 | Method for manufacturing flange |
| KR101215771B1 (en) * | 2009-12-18 | 2013-01-11 | 대신강업(주) | Method for manufacturing a pipe flange assembly of an automobile |
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2014
- 2014-03-07 CN CN201410084104.5A patent/CN103962799B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660631A (en) * | 2008-08-29 | 2010-03-03 | 现代自动车株式会社 | Wiring fixing flange and method for manufacturing the same |
| CN101934435A (en) * | 2009-06-30 | 2011-01-05 | 通用电气公司 | Be used to assemble the method and the flange of pylon |
| CN102189374A (en) * | 2010-02-04 | 2011-09-21 | 玛帝克株式会社 | Manufacturing method of flange structure |
| CN102922223A (en) * | 2011-08-10 | 2013-02-13 | 上海东芙冷锻制造有限公司 | Cold forging process for steering flange sleeve of automobile |
| CN102729013A (en) * | 2012-07-05 | 2012-10-17 | 德清县天创五金制品有限公司 | C-type steel hot extrusion production process |
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