CN1051483C - Metal sheet having annular peripheral wall and method of thickening annular peripheral wall - Google Patents
Metal sheet having annular peripheral wall and method of thickening annular peripheral wall Download PDFInfo
- Publication number
- CN1051483C CN1051483C CN95192246A CN95192246A CN1051483C CN 1051483 C CN1051483 C CN 1051483C CN 95192246 A CN95192246 A CN 95192246A CN 95192246 A CN95192246 A CN 95192246A CN 1051483 C CN1051483 C CN 1051483C
- Authority
- CN
- China
- Prior art keywords
- hat brim
- wall
- peripheral wall
- annular
- chassis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Forging (AREA)
- Pulleys (AREA)
Abstract
The present invention relates to a sheet metal piece provided with an annular peripheral wall and a wall thickening method for the annular peripheral wall of the sheet metal piece. In the present invention, an annular peripheral wall is thickened into a wall of more than twice or three times of the thickness of a bottom plate wall, and a synchronous belt and teeth used for gears are milled out of the thickened annular peripheral wall. In the wall thickening method for the annular peripheral wall of the present invention, an integral bottom plate of a part in the shape of a hat brim is maintained between a rotary upper die and a rotary lower die, and the part in the shape of a hat brim extending to an external side is sequentially pushed and pressed radially towards an internal side by using the annular forming surfaces of various rotary press rolls. The wall of the part in the shape of a hat brim is thickened, and the part in the shape of a hat brim in made into a cylinder wall having the same center as the bottom plate. According to the method, the peripheral wall and the bottom plate don't need to be respectively made to be welded, and necessary intensity during gear milling can be obtained at the peripheral wall.
Description
The present invention relates to the wall thickening method that a kind of driver plate etc. is provided with the metal sheet and the annular perisporium thereof of annular perisporium.More particularly, relate to a kind ofly, make and have the method for wall thickness for the annular perisporium of its several times with the thin disc metallic sheet material of wall.The annular perisporium of wall thickening of the present invention is fit to the tooth that formation cooperates with synchronous belt, gear etc., and the tooth that mills out like this has full intensity and transverse tooth thickness, is particularly suitable for auto parts.
(De ラ イ Block プ レ-ト) is used for start-uping a car the member of starter of engine to driver plate, and it is provided with tooth on the perisporium of disc chassis outer peripheral portion.Figure 15 is the profile of the existing driver plate of simple expression.As shown in the figure, existing driver plate have all-in-one-piece chassis 1 and on the chassis 1 outer peripheral portion drawing and forming approximately and the chassis with thick cylindrical portion 2; This simple portion 2 of circle is embedded in periphery is milled with in the cylindric perisporium parts 4 of tooth 3, with welding 5 joining two parts.
Yet such driver plate even can obtain enough intensity and wall thickness at perisporium parts 4 from mill teeth 3 on one's body, but also the bad defective that causes of welding occurs easily, has problems such as needing high price automatic welding machine people.
The present invention produces according to above situation.The object of the present invention is to provide the wall thickening method of a kind of metal sheet and annular perisporium thereof.This metal sheet is such, as from driver plate as seen, is provided with in the parts of annular perisporium on the chassis, and chassis and annular perisporium are integral, and direct mill teeth and should undercapacity not occur by the annular perisporium.
In order to achieve the above object, metal sheet of the present invention forms as one the end and the annular perisporium that vertically extends from this chassis outer circumferential side, and with annular perisporium heavy wall change into chassis wall thick more than 2 times or more than 3 times.
It is metal sheet of the present invention, because the success of wall thickening method described later, but make above-mentioned annular perisporium wall thickening become inconceivable up to now thickness more than 2 times or more than 3 times, thereby make the tooth that on the perisporium parts of existing driver plate, mills, can directly be milled with tooth in the outside of above-mentioned annular perisporium.Therefore, two operations during existing driver plate is made promptly embed the operation of the perisporium parts 4 of mill teeth and the operation of welding perisporium parts 4 and cylindrical portion 2 to metallic plate cylindrical portion 2, can not carry out.And the chassis can not increase and the high problem of fee of material so do not have weight with the thin metallic sheet material of annular relatively perisporium.
Above-mentioned annular perisporium more than 2 times, more than 3 times the method for wall thickening, be to have the chassis and the above-mentioned chassis in the disc material of its outside integrally formed hat brim shape part remains between rotation patrix and the rotation counterdie, overhanging above-mentioned hat brim shape in the rotation counterdie and the rotation patrix outside is partly sequentially pushed to radially inner side with the above-mentioned annular forming face of the multiple rotation nip drum that is provided with concavity annular forming face, the inboard of hat brim shape part wall thickening in order, the hat brim shape of this wall thickening is partly made the tubular concentric with the chassis, form the annular perisporium of wall thickening, like this, can make annular perisporium wall thickening, become 2 times of chassis wall thickness, more than 3 times.
The simple declaration of accompanying drawing:
Fig. 1: the drawing sequence key diagram of circular metal sheet material.
Fig. 2: the hat brim shape part that the process drawing sequence forms is the initial stage key diagram of wall thickening gradually.
Fig. 3: the hat brim shape part interstage key diagram of the operation of wall thickening gradually.
Fig. 4: hat brim shape part other interstage key diagram of the operation of wall thickening gradually.
Fig. 5: the hat brim shape part terminal stage key diagram of the operation of wall thickening gradually.
Fig. 6: annular perisporium forms the key diagram of operation.
Fig. 7: the fragmentary cross-sectional view of the correct shape of parts that expression process drawing sequence obtains.
Fig. 8: the fragmentary cross-sectional view of the correct shape of parts that the stage of expression process Fig. 2 obtains.
Fig. 9: the subdivision profile of the correct shape of parts that the stage of expression process Fig. 3 obtains.
Figure 10: the fragmentary cross-sectional view of the correct shape of parts that the stage of expression process Fig. 4 obtains.
Figure 11: the profile of the correct shape of parts that the stage of expression process Fig. 5 obtains.
Figure 12: the profile of the correct shape of parts that the stage of expression process Fig. 6 obtains.
Figure 13: as the front view of the driver plate of an example of the metal sheet that is provided with annular perisporium among the embodiment.
Figure 14: along the profile of the XIV-XIV line of Figure 13.
Figure 15: the simple profile of existing driver plate.
Embodiment:
Fig. 1～Fig. 6 illustrates and adopts annular perisporium wall thickening method of the present invention will be made into the embodiment of the driver plate that is used for automotive engine starter with the disk of thin wall shape material that steel plate is made as the sheet metal material.The wall thickness t1 of the disc material 11 that uses as raw material is 2mm, and this disc material 11 is used annular perisporium wall thickening method of the present invention.The hat brim shape part 13 that this disc material 11 is provided with chassis 12 and forms as one in its outside is no matter hat brim shape part 13 is that smooth the connection can or connect by step portion with chassis 12.As shown in Figure 1, be fixed on smooth disc material 11 on the counterdie 31 with patrix 32 punching presses, these disc material 11 drawing and formings.Adopt the circular plate type material 11 that forms thus in the present embodiment, promptly have chassis 12 and the disc material 11 by the hat brim shape part 13 of step portion 14 formation on this chassis 12.
In the drawing sequence of Fig. 1, hat brim shape part 13 is yearned for a little and being had a down dip.As shown in the figure, the angle angle of chassis 12 and hat brim shape part 13 represents that with symbol theta 1 for example this tilt angle theta 1 is 5 degree.In addition, in the drawing sequence that carries out Fig. 1, the circular hole 15 with the punching processing break-through is offered at 12 center on the chassis.Label 16 is waste materials that punching processing generates.
Fig. 2-Fig. 5 represents above-mentioned disc material 11 is remained between rotation counterdie 33 and the rotation patrix 34, with multiple rotation nip drum 35～38 with above-mentioned hat brim shape each stage of the operation of wall thickening gradually partly.
The rotation nip drum of using in the operation of Fig. 2 35 is provided with invaginated type annular forming face 42, and annular forming face 42 also is provided with the following contact-making surface 41 that tilts the last contact-making surface 39 of θ 2 angles and have a down dip towards the lateral a little towards the lateral.Rotation counterdie 33, rotation patrix 34 and outside reach these rotation patrix 34 outsides above-mentioned hat brim shape part 13 rotate in, use the annular of the above-mentioned rotation nip drum 35 that direction moves horizontally shown in the arrow a in Fig. 2 to be shaped as face 42 and push to radially inner side; The section of above-mentioned hat brim shape part 13 slightly becomes
Shape.Promptly in the stage of Fig. 2, the be formed last contact-making surface 39 of face 42 of hat brim shape part 13 pushes downwards, till hat brim shape part 13 tilts to inclination angle to chassis 12 and is θ 2.Here, tiltangle 2 is bigger than tilt angle theta shown in Figure 11.For example this inclination angle is 21 degree.In this stage, by the effect of narrow more more inward annular forming face 42, hat brim shape part 13 is (t2＞t1) till its inboard projection (in other words, material side generation inside plasticity flows) wall thickening is t2 to thickness.
Used rotation nip drum 36 is provided with invaginated type annular forming face 45 in the operation of Fig. 3.It is the last contact-making surface 43 of θ 3 and the following contact-making surface 44 that has a down dip towards the lateral that annular forming face 45 is provided with the angle that tilts towards the lateral.Above-mentioned hat brim shape part 13 through Fig. 2 stage, outer peripheral portion wall thickening 3 is rotated by two moulds 33,34, be subjected to the pushing of the annular forming face 45 of the above-mentioned rotation nip drum 36 that direction moves horizontally shown in the arrow b in Fig. 3 to radially inner side simultaneously, the profile of the outer peripheral portion of above-mentioned hat brim shape part 13 becomes substantially
Shape.Promptly in the stage of Fig. 3, the following contact-making surface 44 of the face 45 that is formed below the outer peripheral portion of above-mentioned hat brim shape part 13 pushes away upward, and the inclination angle that hat brim shape part 13 tilts to chassis 12 is the position of θ 3.Here, tilt angle theta 3 is littler than θ shown in Figure 22.For example this tiltangle 3 is 5 degree.In this stage, only be that the inclination angle of hat brim shape part 13 changes to θ 3 by θ 2, and the wall thickening of hat brim shape part 13 does not carry out in fact.Therefore, the wall thickness t3 of the outer peripheral portion of hat brim shape part 13 compared with the stage of Fig. 2 does not have substantial variations (t3=t2).
The rotation nip drum of using on Fig. 4 operation 37 is provided with invaginated type annular forming face 48.It is the last contact-making surface 46 of θ 4 and downward-sloping outwardly following contact-making surface 47 that annular forming face 48 is provided with the inclination angle that makes progress outwardly.And the inclination angle in process Fig. 3 stage is that the above-mentioned hat brim shape part 13 of θ 3 is rotated by two moulds 33,34, be subjected to the pushing of the annular forming face 48 of the above-mentioned rotation nip drum 37 that direction moves horizontally shown in the arrow C in Fig. 4 to radially inner side simultaneously, the section of above-mentioned hat brim shape part 13 is roughly
Shape.Promptly in the stage of Fig. 4, the be formed last contact-making surface 46 of face 48 of hat brim shape part 13 pushes away downwards, and the inclination angle that hat brim shape partly tilts to relative chassis 12 is the position of θ 4.Here, tiltangle 4 is bigger than tiltangle shown in Figure 33.For example this tilt angle theta 4 is 10 degree.And this stage by the pushing effect of narrow more annular forming face 48 more inward, hat brim shape part 13 wall thickening outer peripheral portion further to inboard projection (in other words, inside side material generation plasticity flows) wall thickening to thickness t 4 (t4＞t3).
The rotation nip drum 38 that the operation of Fig. 5 is used is provided with invaginated type annular forming face 52.Annular forming face 52 also is provided with the acclivitous outwardly following contact-making surface 51 of going up contact-making surface 49 and tilting a little downwards outwardly of tiltangle 5.The inclination angle in process Fig. 4 stage is that the above-mentioned hat brim shape part 13 of θ 4 is rotated by two moulds 33,34, be subjected to the pushing of the annular forming face 52 of the above-mentioned rotation nip drum 38 that direction moves horizontally shown in the arrow in Fig. 5 to radially inner side simultaneously, the section of above-mentioned hat brim shape part 13 forms substantially
Shape.The following contact-making surface 51 of face 52 of promptly being formed below the outer peripheral portion of Fig. 5 stage hat brim shape part 13 upwards pushes away, and the inclination angle that hat brim shape part 13 tilts to relative chassis is the position of θ 5.Here tiltangle 5 is littler than tiltangle shown in Figure 44.For example this tiltangle 5 is 5 degree.And in this stage, hat brim shape part 13 has been carried out the outer peripheral portion of the thicknessization of certain degree, is further pushed by annular forming face 52, further to the further wall thickening of the inside side projection (in other words inside side material generation plasticity flows).In the wall thickening in this stage, from the chassis overhanging hat brim shape part 13 substantially all wall thickening to thickness t 5 (t5＞t4).As shown in Figure 5, section forms substantially
The bulk of shape.
Each stage through Fig. 2～Fig. 5 explanation is in good perisporium formation state by the hat brim shape part 13 of wall thickening, and the wall thickness dimension of this hat brim shape part 13 (perisporiums) (wall thickness dimension radially) can be more than 3 times of chassis 12 wall thickness dimensions.
Fig. 6 is the terminal stage in each stage of Fig. 2～Fig. 5 explanation, i.e. expression carries out the hat brim shape part 13 of wall thickening being made after stage of Fig. 5 the operation of regulation section shape.Hat brim shape part 13 further wall thickenings in this operation.Promptly use rotation nip drum 53 in this operation, this rotation nip drum 53 is provided with the invaginated type annular formation face 54 that forms the perisporium profile.Hat brim shape part 13 through Fig. 5 stage is rotated with two moulds 33,34, be subjected to of the pushing of the annular forming face 54 of the above-mentioned rotation nip drum 53 that direction moves horizontally shown in the arrow e in Fig. 6 simultaneously to radially inner side, above-mentioned hat brim shape part 13 forms the tubular concentric with chassis 12, forms section one-tenth
The annular perisporium 17 of shape (outer peripheral face and inner peripheral surface are smooth).
In the embodiment of Fig. 1～Fig. 6 explanation, the wall thickness of the annular perisporium 17 of the final wall thickening that forms becomes the 7mm degree, can form the annular perisporium 17 of the 3.5 times of wall thickness in chassis 12 (wall thickness 2mm).With the method that the angle of the annular forming face 42,45,48,52,54 of change rotation nip drum 35,36,37,38,53 etc. imposes a condition, the wall thickness of annular perisporium 17 can be set at below 3.5 times of chassis 12 (for example 2 times, 3 times) or more than 3.5 times.
Fig. 7～Figure 12 illustrates through each stage of Fig. 1～Fig. 6 explanation or the fragmentary cross-sectional view of the correct shape of parts that operation obtains.Be that Fig. 7 is the fragmentary cross-sectional view that the disc material 11 correct shapes that the drawing sequence through Fig. 1 obtains are shown, Fig. 8 is the fragmentary cross-sectional view that the correct shape of parts that obtains through Fig. 2 stage is shown, Fig. 9 is the fragmentary cross-sectional view that the correct shape of parts that the stage through Fig. 3 obtains is shown, Figure 10 is the fragmentary cross-sectional view that the correct shape of parts that the stage through Fig. 4 obtains is shown, Figure 11 is the fragmentary cross-sectional view that the correct shape of parts that obtains through Fig. 5 stage is shown, and Figure 12 is the fragmentary cross-sectional view that the correct shape of parts that the stage through Fig. 6 obtains is shown.From these figure as can be known, in fact can be used as the gauge of the hat brim shape part 13 of annular perisporium 17, the gauge that becomes chassis 12 is promptly as more than 3 times of gauge of raw-material disc material 11.
Figure 13 represents to be provided with an example of the metal sheet of annular perisporium, is illustrated in the front view of the driver plate 61 that the starter that is used for car engine start uses.Figure 14 represents along the profile of the XIV-XIV line of Figure 13.In this driver plate 61, the chassis 12 of vertically extending with outer circumferential side from annular perisporium 17 is set as the annular perisporium 17 of one, though with relevant as the wall thickness of raw-material disc material 11, but by more than the said method wall thickening to 2 times, better be more than 3 times, preferably more than 3.5 times, be milled with tooth 62, do not have the place of welding 61 li of this driver plates at the outer peripheral face of this annular perisporium 17.But its outer peripheral face of wall thickening by annular perisporium 17 has the intensity of mill teeth 62.The 63rd, installing hole.
According to the wall thickening method that is provided with the metal sheet and the annular perisporium thereof of annular perisporium of the present invention, with the chassis all-in-one-piece annular perisporium wall thickening degree more than 2 times, more than 3 times of disc thickness on earth, therefore by for example at the outer peripheral face mill teeth of the annular perisporium of this wall thickening, can make driver plate.And at this moment need not weld, not having weight increases or the high problem of fee of material.Therefore, it is particularly useful to get rid of the occasion of welding and reducing cost in hope.
Claims (1)
1. the wall thickening method of metal sheet annular perisporium, to have the chassis and remain between rotation counterdie and the rotation patrix on the above-mentioned chassis that this chassis outer circumferential side is wholely set the disc material of hat brim shape part, overhanging above-mentioned hat brim shape in the rotation counterdie and the rotation patrix outside is partly pushed to radially inner side successively with the rotation nip drum of a plurality of kinds, rotate the annular forming face that nip drums are provided with by these, the inboard of this hat brim shape part wall thickening in order, and this wall thickening hat brim shape partly make the tubular concentric with the chassis, form by the annular perisporium of wall thickening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95192246A CN1051483C (en) | 1995-01-27 | 1995-01-27 | Metal sheet having annular peripheral wall and method of thickening annular peripheral wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95192246A CN1051483C (en) | 1995-01-27 | 1995-01-27 | Metal sheet having annular peripheral wall and method of thickening annular peripheral wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1144497A CN1144497A (en) | 1997-03-05 |
| CN1051483C true CN1051483C (en) | 2000-04-19 |
Family
ID=5082532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95192246A Expired - Fee Related CN1051483C (en) | 1995-01-27 | 1995-01-27 | Metal sheet having annular peripheral wall and method of thickening annular peripheral wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1051483C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2294152T3 (en) * | 2001-08-03 | 2008-04-01 | The Gates Corporation | CRANKSHAFT SHOCK ABSORBER WITH INTEGRAL IMPULSE RING, AND MANUFACTURING METHOD. |
| CN102009112B (en) * | 2010-10-22 | 2012-05-23 | 湖北天轮机械有限公司 | Method for thickening annular outer edge of circular plate material |
| CN112248415B (en) * | 2020-09-28 | 2021-11-26 | 常州市新创智能科技有限公司 | Transverse-pressing type straight Z-shaped partition frame preforming device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6360269B2 (en) * | 1982-02-03 | 1988-11-24 | ||
| US5068964A (en) * | 1981-06-18 | 1991-12-03 | Aisin Seiki Kabushiki Kaisha | Method of making poly-v grooved pulley |
-
1995
- 1995-01-27 CN CN95192246A patent/CN1051483C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5068964A (en) * | 1981-06-18 | 1991-12-03 | Aisin Seiki Kabushiki Kaisha | Method of making poly-v grooved pulley |
| JPS6360269B2 (en) * | 1982-02-03 | 1988-11-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1144497A (en) | 1997-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070283739A1 (en) | Flange sleeve, method for the production thereof and bending tool for producing flanges on a sleeve | |
| CN1109393A (en) | Apparatus for making self-piercing nuts | |
| US20060123865A1 (en) | Sheet metal member having an annular peripheral wall and a method of thickening an annular peripheral wall of the member | |
| CN1248800C (en) | Method for producing rolled edge | |
| US20190010973A1 (en) | Self-punching press-fit element, press-fit connection, and method for producing such a press-fit connection | |
| EP0493792B1 (en) | Method of manufacturing drive plate | |
| CN1051483C (en) | Metal sheet having annular peripheral wall and method of thickening annular peripheral wall | |
| CN1192387A (en) | Process for fabrication of rack shaft and fabrication machine therefor | |
| CN1065786C (en) | Drawing method and apparatus | |
| JP3192979B2 (en) | Apparatus for molding a metal molded article having a cylindrical portion integrally formed on the outer surface of a base and method for molding such a metal molded article | |
| US7318279B2 (en) | Method of manufacturing annular body | |
| JP5340997B2 (en) | Coating film removing bolt and manufacturing method thereof | |
| US4468161A (en) | Sheet carrying a welded nut | |
| JP3667814B2 (en) | Synchronizer ring manufacturing method | |
| KR101151463B1 (en) | Method for the production of a flange on a metal blank, and transmission part | |
| CN107035754A (en) | High-accuracy high-efficiency nutplate and forming method | |
| JP3393448B2 (en) | Ring gear forming method for sheet metal plate | |
| RU2011455C1 (en) | Method of forming cones of sheet materials | |
| JP2736825B2 (en) | Thickness method of annular peripheral wall of sheet metal | |
| CN1133213A (en) | Rotary forging apparatus | |
| JP2813703B2 (en) | Spiral bevel gear manufacturing equipment | |
| EP0586314A1 (en) | Method of making pieces of casting alloys with reinforced parts | |
| JP2983802B2 (en) | Cold forging apparatus and cold forging method for tooth-formed part | |
| JP2711524B2 (en) | Manufacturing method of disk with rim | |
| CN1085392C (en) | Method of mfg. metal rotor for trimmer capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |