CN102527805A - Method and device for stamping rib of hemming spool - Google Patents
Method and device for stamping rib of hemming spool Download PDFInfo
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- CN102527805A CN102527805A CN2012100068927A CN201210006892A CN102527805A CN 102527805 A CN102527805 A CN 102527805A CN 2012100068927 A CN2012100068927 A CN 2012100068927A CN 201210006892 A CN201210006892 A CN 201210006892A CN 102527805 A CN102527805 A CN 102527805A
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Abstract
The invention discloses a method and a device for stamping a rib of a hemming spool. The stamping method comprises the following steps of: 1) cutting a blank with the excircle diameter of phi 2 and the thickness of d; 2) putting the blank into a stamping and stretching mold, and stamping and stretching the blank into a semi-finished product with a right-angle rib, wherein a transition rounded corner with the radius of R is formed between the right-angle rib of the semi-finished product and a base plane; and 3) putting the semi-finished product into a stamping and bending mold, and stamping and bending to obtain the hemming spool with an arc-shaped rib. The device for stamping the rib of the hemming spool by the stamping method comprises the stamping and stretching mold and the stamping and bending mold. A stamping process is used for machining the rib, so that the method and the device are low in equipment requests, have a small number of processes, are easy to operate, and are low in cost and high in production efficiency during mass production. By the stamping and stretching mold and the stamping and bending mold, the blank can be machined into the rib of the hemming spool which meets design indexes; and the device has the characteristics of simple structure, high universality and low production cost.
Description
Technical field
The present invention relates to the processing method of crimping I-beam wheel rib, refer to a kind of crimping I-beam wheel rib processing method for stamping and device thereof particularly.
Background technology
The side plate of I-beam wheel as coiling usefulness is processed by steel plate, is weight reduction, improves strength and stiffness, makes the crimping I-beam wheel of band rib usually at its periphery.
For the production of this type of crimping I-beam wheel rib, traditional technology is accomplished for adopting bending → spinning (roll extrusion, extruding) → mould molding.Adopt the frock bending owing to relate to; Spinning on lathe (roll extrusion, extruding); With utilize mould to adopt punch press and hydraulic jack to carry out final molding, therefore, need 1 of ability processing in 2 hours, production efficiency is lower; The processing charges of single-piece is about 60 yuan, and production cost is higher; And design station and operation is more, and part process is complicacy.
Summary of the invention
The object of the invention is exactly that the processing method of existing crimping I-beam wheel rib is improved, and the crimping I-beam wheel rib that a kind of production efficiency is higher, production cost is lower processing method for stamping is provided.
Another object of the present invention provides the crimping I-beam wheel rib press-working apparatus of realizing this processing method.
For realizing above-mentioned purpose, crimping I-beam wheel rib processing method for stamping provided by the present invention may further comprise the steps:
1) cutting outside diameter is that Φ 2, thickness are the blank of d;
2) said blank is put into the punching stretch mould, punching stretch becomes the semi-finished product of band right angle rib, is formed with the knuckle that radius is R between said half-finished right angle rib and the baseplane;
3) said semi-finished product are put into punching press bending mould, the punching press bending obtains the crimping I-beam wheel with the circular arc rib.
The crimping I-beam wheel rib press-working apparatus of the above-mentioned processing method of realization that the present invention designed; Comprise punching stretch mould and punching press bending mould; Said punching stretch mould comprises punch and the die that matches, and the upper end of said die is provided with annular positioning groove, and the die cavity madial wall of said die and bottom surface infall are the knuckle that radius is R; Its periphery of the lower end edge of said punch also is the knuckle that radius is R, is complementary with the die cavity of said die; Said punching press bending mould comprises the upper die and lower die that match, and the die cavity madial wall of said counterdie and bottom surface infall are the knuckle that radius is R, is complementary with the die cavity knuckle of die; Its periphery of the lower end edge of said patrix is provided with the annular slope groove.
Preferably, the mathematical relationship between concave die cavity degree of depth h, knuckle radius R and the sotck thinkness d of said punching stretch mould is h=R+d.Like this, the punching stretch mould molding degree of depth need not design liftout attachment at knuckle and the tangent place of right angle rib, just can the demoulding.
Preferably, bilateral gap width δ between the punch of said punching stretch mould and the die and the mathematical relationship between the sotck thinkness d are δ=0.125d.Like this, conveniently stripped with avoid material folding.
Preferably, the mathematical relationship between the outside diameter Φ 1 of the annular positioning groove on the die of said punching stretch mould and the blank outside diameter Φ 2 is Φ 1=Φ 2+ (5～10) mm.Like this, when blank was put into the die cavity of die, the blank cylindrical can not exceed the edge of locating slot, made its automatic capturing and location.
Preferably, the internal face of the annular slope groove on the patrix of said punching press bending mould and its bottom surface angle=40 °～50 °.If this angle is less than this scope, normally moulding of part; If this angle exceeds this scope, mould needs the equipment pressure can be bigger.Through setting suitable angle, make part be easy to moulding.
The Rockwell hardness HRC of the counterdie of the die of said punching stretch mould and punching press bending mould is 50～55, and the patrix of the punch of said punching stretch mould and punching press bending mould all adopts the Q235 steel.Carburization Treatment is carried out on the surface of the counterdie of the die of said punching stretch mould and punching press bending mould.
Beneficial effect of the present invention: adopt the Sheet Metal Forming Technology mode on common hydraulic test, to process the rib of crimping I-beam wheel, production technology is simple relatively, and is lower to equipment requirements, only needs two cover special equipments to process, and operation is few, and is simple to operate; Cost is low in production in enormous quantities, and production efficiency is high, and the processing charges of single-piece is merely 18 yuan, can process 30 in 1 hour.Punching stretch mould of the present invention need not design liftout attachment just can the demoulding; Punching press bending mould adopts the knuckle automatic capturing of counterdie die cavity without Design Orientation mechanism, confirms die location through die trial.Can blank be processed into the crimping I-beam wheel rib that satisfies design objective through punching stretch mould provided by the present invention and punching press bending mould, have simple in structure, the characteristics that versatility is strong, production cost is lower.
Description of drawings
Fig. 1 is two one-step forming sketch mapes of the processing method for stamping of crimping I-beam wheel rib of the present invention; Wherein, a
0Be the sectional view of blank, a
1Be the sectional view after stretching, a
2Be the sectional view after the bending moulding.
Fig. 2 is the three-dimensional cross-sectional view of punching stretch mould.
Fig. 3 is the cross-sectional view of punch among Fig. 2.
Fig. 4 is the cross-sectional view of die among Fig. 2.
Fig. 5 is the three-dimensional cross-sectional view of punching press bending mould.
Fig. 6 is the cross-sectional view of patrix among Fig. 5.
Fig. 7 is the cross-sectional view of counterdie among Fig. 5.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed description, following examples are to explanation of the present invention and the present invention is not limited to following examples.
Punching stretch mould 1 shown in Fig. 2～4 comprises the punch 1.1 and die 1.2 that matches.The upper end of die 1.2 is provided with annular positioning groove 1.2.1, and the die cavity madial wall of die 1.2 and bottom surface infall are the knuckle that radius is R.Its periphery of the lower end edge of punch 1.1 also is the knuckle that radius is R, is complementary with the die cavity of die 1.2.Mathematical relationship between die 1.2 depth of cavity h, knuckle radius R and blank 3 thickness d of punching stretch mould 1 is h=R+d.Bilateral gap width δ between the punch 1.1 of punching stretch mould 1 and the die 1.2 and the mathematical relationship between blank 3 thickness d are δ=0.125d.Mathematical relationship between the outside diameter Φ 1 of annular positioning groove 1.2.1 on the die 1.2 of punching stretch mould 1 and the blank 3 outside diameter Φ 2 is Φ 1=Φ 2+ (5～10) mm.
Punching press bending mould 2 shown in Fig. 5～7 comprises the patrix that matches 2.1 and counterdie 2.2, and the die cavity madial wall of counterdie 2.2 and bottom surface infall are the knuckle that radius is R, is complementary with the die cavity knuckle of die 1.2; Its periphery of the lower end edge of patrix 2.1 is provided with annular slope groove 2.1.1.The internal face of annular slope groove 2.1.1 on the patrix 2.1 of punching press bending mould 2 and its bottom surface angle=40 °～50 °.
The Rockwell hardness HRC of the die 1.2 of punching stretch mould 1 and the counterdie 2.2 of punching press bending mould 2 is 50～55, and the punch 1.1 of said punching stretch mould 1 and the patrix 2.1 of punching press bending mould 2 all adopt the Q235 steel.Carburization Treatment is all carried out on the surface of the die 1.2 of punching stretch mould 1 and the counterdie 2.2 of punching press bending mould 2.
Embodiment 1:
1) adopt machine for circle-shearing and numerical control plasma cutting machine cutting blank, cutting outside diameter is that Φ 2=800mm, thickness are the blank 3 of d=10mm, like a among Fig. 1
0Shown in;
2) earlier punching stretch mould 1 is placed on the hydraulic test; Again blank 3 is put into the die cavity of the die 1.2 of punching stretch mould 1, made the cylindrical of blank 3 be positioned in the locating slot 1.2.1 of die 1.2 the depth of cavity h=40mm of die 1.2; Knuckle radius R=30mm; The bilateral gap width δ of punching stretch mould 1 is 12.5mm, and the outside diameter Φ 1=805mm of the locating slot 1.2.1 of punching stretch mould 1 is through the semi-finished product 4 of punch 1.1 with blank 3 punching stretch one-tenth band right angle rib 4.1; Make between right angle rib 4.1 and the baseplane of semi-finished product 4 to be formed with the knuckle that radius is R=30mm, like a among Fig. 1
1Shown in;
3) earlier punching press bending mould 2 is placed on the hydraulic test; Semi-finished product 4 with processing are placed in the die cavity of counterdie 2.2 of punching press bending mould 2 again; The inwall of the inclined plane groove 2.1.1 of patrix 2.1 and the outer side contacts of right angle rib 4.1, the internal face of inclined plane groove 2.1.1 and its bottom surface angle=45 °, through inclined plane groove 2.1.1 with semi-finished product 4 punching press bendings; Obtain crimping I-beam wheel 5, like a among Fig. 1 with circular arc rib 5.1
2Shown in.
Claims (10)
1. crimping I-beam wheel rib processing method for stamping may further comprise the steps:
1) cutting outside diameter is that Φ 2, thickness are the blank (3) of d;
2) said blank (3) is put into punching stretch mould (1), punching stretch becomes the semi-finished product (4) of band right angle rib (4.1), is formed with the knuckle that radius is R between the right angle rib (4.1) of said semi-finished product (4) and the baseplane;
3) said semi-finished product (4) are put into punching press bending mould (2), the punching press bending obtains the crimping I-beam wheel (5) with circular arc rib (5.1).
2. a crimping I-beam wheel rib press-working apparatus of realizing the said processing method of claim 1 comprises punching stretch mould (1) and punching press bending mould (2), it is characterized in that:
Said punching stretch mould (1) comprises punch (1.1) and the die (1.2) that matches; The upper end of said die (1.2) is provided with annular positioning groove (1.2.1); The die cavity madial wall of said die (1.2) and bottom surface infall are the knuckle that radius is R; Its periphery of lower end edge of said punch (1.1) also is the knuckle that radius is R, is complementary with the die cavity of said die (1.2);
Said punching press bending mould (2) comprises patrix (2.1) and the counterdie (2.2) that matches, and the die cavity madial wall of said counterdie (2.2) and bottom surface infall are the knuckle that radius is R, is complementary with the die cavity knuckle of die (1.2); Its periphery of lower end edge of said patrix (2.1) is provided with annular slope groove (2.1.1).
3. crimping I-beam wheel rib press-working apparatus according to claim 2 is characterized in that: the mathematical relationship between die (1.2) the depth of cavity h of said punching stretch mould (1), knuckle radius R and blank (3) thickness d is h=R+d.
4. according to claim 2 or 3 described crimping I-beam wheel rib press-working apparatus, it is characterized in that: the mathematical relationship between the punch (1.1) of said punching stretch mould (1) and the bilateral gap width δ between the die (1.2) and blank (3) thickness d is δ=0.125d.
5. according to claim 2 or 3 described crimping I-beam wheel rib press-working apparatus, it is characterized in that: the mathematical relationship between the outside diameter Φ 1 of the annular positioning groove (1.2.1) on the die (1.2) of said punching stretch mould (1) and blank (3) the outside diameter Φ 2 is Φ 1=Φ 2+ (5～10) mm.
6. crimping I-beam wheel rib press-working apparatus according to claim 4 is characterized in that: the mathematical relationship between the outside diameter Φ 1 of the annular positioning groove (1.2.1) on the die (1.2) of said punching stretch mould (1) and blank (3) the outside diameter Φ 2 is Φ 1=Φ 2+ (5～10) mm.
7. according to claim 2 or 3 described crimping I-beam wheel rib press-working apparatus, it is characterized in that: the internal face of the annular slope groove (2.1.1) on the patrix (2.1) of said punching press bending mould (2) and its bottom surface angle=40 °～50 °.
8. crimping I-beam wheel rib press-working apparatus according to claim 4 is characterized in that: the internal face of the annular slope groove (2.1.1) on the patrix (2.1) of said punching press bending mould (2) and its bottom surface angle=40 °～and 50 °.
9. crimping I-beam wheel rib press-working apparatus according to claim 5 is characterized in that: the internal face of the annular slope groove (2.1.1) on the patrix (2.1) of said punching press bending mould (2) and its bottom surface angle=40 °～and 50 °.
10. crimping I-beam wheel rib press-working apparatus according to claim 6 is characterized in that: the internal face of the annular slope groove (2.1.1) on the patrix (2.1) of said punching press bending mould (2) and its bottom surface angle=40 °～and 50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210006892 CN102527805B (en) | 2012-01-11 | 2012-01-11 | Method and device for stamping rib of hemming spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210006892 CN102527805B (en) | 2012-01-11 | 2012-01-11 | Method and device for stamping rib of hemming spool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102527805A true CN102527805A (en) | 2012-07-04 |
| CN102527805B CN102527805B (en) | 2013-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210006892 Expired - Fee Related CN102527805B (en) | 2012-01-11 | 2012-01-11 | Method and device for stamping rib of hemming spool |
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| Country | Link |
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| CN (1) | CN102527805B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506121A (en) * | 2018-12-27 | 2019-03-22 | 东风汽车集团股份有限公司乘用车公司 | Cross drawing structure, stamping products and stamping die |
| CN112642931A (en) * | 2020-12-24 | 2021-04-13 | 南通福乐达汽车配件有限公司 | Processing technology of thickened multi-wedge belt pulley |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3521833A (en) * | 1968-07-10 | 1970-07-28 | Louis H Ridgeway | Spool with plastic connectors |
| JPS5750229A (en) * | 1980-09-09 | 1982-03-24 | Takeshi Itokawa | Manufacture of spool for thin wire |
| JP2000072333A (en) * | 1998-09-01 | 2000-03-07 | Kobe Steel Ltd | Metal spool winding wire |
| CN1486802A (en) * | 2003-09-04 | 2004-04-07 | 卢惠林 | I-Wheel curling formation process |
| CN201598071U (en) * | 2009-12-30 | 2010-10-06 | 江苏法尔胜特钢制品有限公司 | H-shaped wheel used in wire rope package |
-
2012
- 2012-01-11 CN CN 201210006892 patent/CN102527805B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3521833A (en) * | 1968-07-10 | 1970-07-28 | Louis H Ridgeway | Spool with plastic connectors |
| JPS5750229A (en) * | 1980-09-09 | 1982-03-24 | Takeshi Itokawa | Manufacture of spool for thin wire |
| JP2000072333A (en) * | 1998-09-01 | 2000-03-07 | Kobe Steel Ltd | Metal spool winding wire |
| CN1486802A (en) * | 2003-09-04 | 2004-04-07 | 卢惠林 | I-Wheel curling formation process |
| CN201598071U (en) * | 2009-12-30 | 2010-10-06 | 江苏法尔胜特钢制品有限公司 | H-shaped wheel used in wire rope package |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506121A (en) * | 2018-12-27 | 2019-03-22 | 东风汽车集团股份有限公司乘用车公司 | Cross drawing structure, stamping products and stamping die |
| CN109506121B (en) * | 2018-12-27 | 2024-01-23 | 东风汽车集团股份有限公司 | Over-drawing structure, stamping product and stamping die |
| CN112642931A (en) * | 2020-12-24 | 2021-04-13 | 南通福乐达汽车配件有限公司 | Processing technology of thickened multi-wedge belt pulley |
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| Publication number | Publication date |
|---|---|
| CN102527805B (en) | 2013-10-16 |
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Granted publication date: 20131016 Termination date: 20160111 |