CN103785732B - The process for stamping of metal sheet - Google Patents
The process for stamping of metal sheet Download PDFInfo
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- CN103785732B CN103785732B CN201210426328.0A CN201210426328A CN103785732B CN 103785732 B CN103785732 B CN 103785732B CN 201210426328 A CN201210426328 A CN 201210426328A CN 103785732 B CN103785732 B CN 103785732B
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- metal sheet
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- substrate area
- cut
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Abstract
A process for stamping for metal sheet, comprises and provides a metal sheet, and metal sheet has a relative first surface and one second, and metal sheet definition has a substrate area and to cut district.Then, impose one first Sheet Metal Forming Technology to metal sheet, order cuts the first surface of protrusion substrate area, district.Then, one second Sheet Metal Forming Technology is imposed to metal sheet, cut second that substrate area is oppositely protruded in district with what make the first surface of former protrusion substrate area, produce section to make cutting between district and substrate area.
Description
Technical field
The present invention relates to a kind of machining process, particularly a kind of process for stamping of metal sheet.
Background technology
Along with the continuous progress of science and technology, the daily living article of modern, all towards digitlization and Informatization Development.For desktop computer, one host shell inside comprises a motherboard and is coupled to an adlib, a display card and the network card on motherboard.These above-mentioned interface card are on a fixed mount of the side being fixed on host shell, and the connection jack of these interface card is outside being revealed in via the multiple window on fixed mount, so that the plugging of outside line.
In addition, in order to the expansion demand in response to the interface card in host shell, fixed mount can be reserved multiple window for subsequent use and for the interface card expanded backward.In addition, these windows for subsequent use be generally can hide by the catch with dust-proof, when these windows for subsequent use need to be expanded use, only with external force catch need be pulled down and can show window for subsequent use.Specifically, catch to be protruded through disposable Sheet Metal Forming Technology by a wall of fixed mount to be formed, and only utilize a little ora terminalis to be connected between catch with the wall of fixed mount.Therefore, only with the annexation between the wall of outside destroy catch and fixed mount, catch and fixed mount need can be made to be separated and to show window for subsequent use.
But the catch that the wall of above-mentioned fixed mount is formed with current disposable Sheet Metal Forming Technology, the bonding strength between the wall of itself and fixed mount is more wayward.Thus, catch is probably in the assembling of fixed mount or transport process just self falling, or bonding strength between the wall of catch and fixed mount is excessive and make user in time dismantling catch, cause the distortion of window for subsequent use.
Summary of the invention
The object of the present invention is to provide a kind of process for stamping of metal sheet, use the uppity problem of bonding strength solving and block between the catch of window for subsequent use of fixed mount and the wall of fixed mount.
The process for stamping of the metal sheet disclosed by the present invention, comprises and provides a metal sheet, and metal sheet has a relative first surface and one second, and metal sheet definition has a substrate area and to cut district.Then, impose one first Sheet Metal Forming Technology to metal sheet, order cuts the first surface of protrusion substrate area, district.Then, one second Sheet Metal Forming Technology is imposed to metal sheet, cut second that substrate area is oppositely protruded in district with what make the first surface of former protrusion substrate area, produce section to make cutting between district and substrate area.
The process for stamping of the metal sheet disclosed by the present invention, comprise and provide one first relative male model and one first master mold, the first male model has one first projection, and the first master mold has one first groove, corresponding first projection, and the first projection caves inward from its at least one side and has one first recess.There is provided a metal sheet, metal sheet has a relative first surface and one second, and metal sheet definition has a substrate area and to cut district.The first surface of metal sheet is placed in the first master mold, and order cuts corresponding first groove in position in district and the position of the first projection.Make the first male model be pressed on metal sheet, make the first projection punching press cut district and make to cut the first surface of protrusion substrate area, district.The distance cutting the first surface of protrusion substrate area, district is 1/2nd of the thickness of slab of metal sheet, and the first recess of corresponding first projection of metal sheet and formed and connect substrate area and be connected protuberance with cut district.There is provided one second relative male model and one second master mold, the second male model has one second projection, and the second master mold has one second groove, corresponding second projection, and the second projection caves inward from its at least one side and has one second recess.Second face of metal sheet is placed in the second master mold, and order cuts corresponding second groove in position in district and the position of the second projection, and the position of the second recess correspondence connects the position of protuberance.The second male model is made to be pressed on metal sheet, the second projection punching press is made to cut district and make cut second that substrate area is oppositely protruded in district of the first surface of former protrusion substrate area, the distance cutting second of protrusion substrate area, district is 1/2nd of the thickness of slab of metal sheet, cut between district and substrate area produce section with order, and cut district and substrate area and utilize and be connected protuberance and be connected.
The process for stamping of the metal sheet disclosed by the invention described above, utilize impose the first Sheet Metal Forming Technology to metal sheet and make the first surface cutting protrusion substrate area, district, and then one second Sheet Metal Forming Technology is imposed to metal sheet, to make the district that cuts of former protrusion first surface oppositely protrude second, produce smooth section to make cutting between district and substrate area.Thus, the section cut between district and substrate area can not produce burr, and the bonding strength cut between district and substrate area can reach the requirement of expection.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the flow chart of the process for stamping of metal sheet according to an embodiment of the invention;
Fig. 2 to Fig. 7 C is the structural representation of each step of the flow chart of the process for stamping of metal sheet according to Fig. 1.
Wherein, Reference numeral
10 first male models
11 first projections
111 first recesses
20 first master molds
21 first grooves
30 metal sheets
301 first surfaces
302 second
31 substrate area
32 cut district
33 connect protuberance
34 sections
40 second male models
41 second projections
411 second recesses
50 second master molds
51 second grooves
Detailed description of the invention
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in detail:
Please refer to Fig. 1 and arrange in pairs or groups Fig. 2 to Fig. 7 C, Fig. 1 are the flow chart of the process for stamping of metal sheet according to an embodiment of the invention, Fig. 2 to Fig. 7 C is the structural representation of each step of the flow chart of the process for stamping of metal sheet according to Fig. 1.
The process for stamping of the metal sheet of the present embodiment, can apply to the technique of the catch of the window for subsequent use of the fixed mount forming computer host casing, its step is as described below.
First as shown in Figure 2, one first relative male model 10 and one first master mold 20 is provided.First male model 10 has one first projection 11, first master mold 20 and has corresponding first projection 11 of one first groove 21, first groove 21, and the first projection 11 caves inward from its at least one side and has one first recess 111.(S01)
Wherein, first projection 11 of above-mentioned the present embodiment is that to cave inward from its relative dual side-edge and have one first recess 111 be respectively example, but the quantity of the first recess 111 and relative position are not used to limit the present invention.
As shown in Figure 2, then provide a metal sheet 30, metal sheet 30 has relative first surface 301 and one second face 302, and metal sheet 30 definition has a substrate area 31 and to cut district 32.(S02)
Wherein, the material of above-mentioned metal sheet 30 can be but be not limited to aluminium alloy.
Then one first Sheet Metal Forming Technology is imposed to metal sheet 30.As shown in Figure 3, the first surface 301 of metal sheet 30 is placed in the first master mold 20, and order cuts corresponding first groove 21 in position in district 32 and the position of the first projection 11.(S03)
Wherein, the first surface 301 of metal sheet 30 is towards the first master mold 20, and the second face 302 of metal sheet 30 is towards the first male model 10.Further, the position of corresponding first groove 21 in the above-mentioned position cutting district 32 and the first projection 11, means the first groove 21 and the first orthographic projection of projection 11 on metal sheet 30 and is and cuts district 32 and overlap.
Then as shown in fig. 4 a and fig. 4b, make the first male model 10 be pressed on metal sheet 30, make the first projection 11 punching press cut district 32 and make to cut the first surface 301 that substrate area 31 is protruded in district 32.Further, cutting the distance t protruding the first surface 301 of substrate area 31 in district 32 is 1/2nd of the thickness of slab T of metal sheet 30, and the first recess 111 of corresponding first projection 11 of metal sheet 30 and formed and connect substrate area 31 and be connected protuberance 33 with cut district 32.(S04)
Wherein, above-mentioned cut district 32 only displacement metal sheet 30 thickness of slab T 1/2nd, therefore after the procedure, cut district 32 and protrude the first surface 301 of substrate area 31, and do not produce section with substrate area 31.That is four peripheries cutting district 32 are still connected with substrate area 31.In addition, the connection protuberance 33 that the first recess 111 of corresponding first projection 11 is formed is between substrate area 31 and cuts between district 32.Further, the above-mentioned distance t protruding the first surface 301 of substrate area 31 in district 32 that cuts is that the feature of 1/2nd of the thickness of slab T of metal sheet 30 is not used to limit the present invention, and those who are familiar with this art can carry out adjusting this technological parameter according to the actual requirements.
Then as shown in Figure 5, one second relative male model 40 and one second master mold 50 is provided, second male model 40 has one second projection 41, second master mold 50 has one second groove 51, corresponding second projection 41 of second groove 51, and the second projection 41 caves inward from its at least one side and has one second recess 411.(S05)
Wherein, second projection 41 of above-mentioned the present embodiment is that to cave inward from its relative dual side-edge and have one second recess 411 be respectively example, but the quantity of the second recess 411 and relative position are not used to limit the present invention.Further, in the present embodiment, the second male model 40 and the second master mold 50 are be different moulds from the first male model 10 and the first master mold 20 is example, so that the metal sheet 30 in corresponding different process stage and the accuracy of lifting process.But in other embodiments, the second male model 40 and the first male model 10 can be also same set of moulds, and the second master mold 50 and the first master mold 20 also can be same set of moulds.
Then one second Sheet Metal Forming Technology is imposed to metal sheet 30.As shown in Figure 6, the second face 302 of metal sheet 30 is placed in the second master mold 50, and order cuts corresponding second groove 51 in position in district 32 and the position of the second projection 41, and the position of the second recess 411 correspondence connects the position of protuberance 33.(S06)
Wherein, the second face 302 of metal sheet 30 is towards the second master mold 50, and the first surface 30 of metal sheet 30 is towards the second male model 40.Further, the position of corresponding second groove 51 in the above-mentioned position cutting district 32 and the second projection 41, means the second groove 51 and the second orthographic projection of projection 41 on metal sheet 30 and is and cuts district 32 and overlap.Further, the external form of the second groove 51 and the second projection 41 need be matched with the external form cutting district 32.
Then, as shown in Fig. 7 A to Fig. 7 C, make the second male model 40 be pressed on metal sheet 30, make the second projection 41 punching press cut district 32 and make the first surface 301 of former protrusion substrate area 31 cut the second face 302 that substrate area 31 is oppositely protruded in district 32.Further, cutting the distance t protruding the second face 302 of substrate area 31 in district 32 is 1/2nd of the thickness of slab T of metal sheet 30, produces section 34 to make cutting between district 32 and substrate area 31, and cuts district 32 and utilize with substrate area 31 and be connected protuberance 33 and be connected.(S06)
Furthermore, after the first Sheet Metal Forming Technology, cut the first surface 301 that substrate area 31 is protruded in district 32, but after the second Sheet Metal Forming Technology, cutting district 32 by first surface 301 Status Change of originally protruding substrate area 31 is second face 302 of protruding substrate area 31.And, after the first Sheet Metal Forming Technology to cut the distance t originally protruding the first surface 301 of substrate area 31 in district 32 be 1/2nd of thickness of slab T, and after the second Sheet Metal Forming Technology to cut the distance t protruding the second face 302 of substrate area 31 in district 32 be 1/2nd of thickness of slab T.As from the foregoing, the distance that the displacement of district 32 in the second Sheet Metal Forming Technology reaches a thickness of slab T is cut.Thus, cut between district 32 and substrate area 31 and will produce smooth section 34 and burr can not be had to produce, and this section 34 be around cutting district 32, make to cut only to utilize between district 32 with substrate area 31 and be connected protuberance 33 and be connected, as seen in figure 7 c.In other words, when rupturing when connecting protuberance 33 and being damaged, cutting district 32 will be separated with substrate area 31.Further, if above-mentioned metal sheet 30 is the wall body of the fixed mount of computer host casing, then the catch that namely district 32 is window for subsequent use is cut.
It is noted that the width of above-mentioned connection protuberance 33 to cut the bonding strength demand between district 32 and substrate area 31 according to actual and adjust, when the width connecting protuberance 33 is larger, then the bonding strength cut between district 32 and substrate area 31 is stronger.
And, according to actual verification, the catch of the window for subsequent use of the fixed mount formed with the process for stamping of the metal sheet of the present embodiment, test is highly being dropped three times through 100 centimeters, and after being divided into three axially to test, catch still can be positioned at securely on fixed mount and (namely cut district 32 still can be connected in substrate area 31 and not depart from).Further, after forcing to remove catch with external force, there is (be about to cut district 32 after metal sheet 30 removes, substrate area 31 can not be out of shape near section 34 place) in the phenomenon that the window for subsequent use corresponding to this catch does not have modification.
According to the process for stamping of the metal sheet of above-described embodiment, system utilizes and imposes the first Sheet Metal Forming Technology to metal sheet and make the first surface cutting protrusion substrate area, district reach a thickness of slab of two points, and then one second Sheet Metal Forming Technology is imposed to metal sheet, cut with what make former protrusion first surface the thickness of slab that the second face of oppositely protruding, district reaches two points, produce smooth section to make cutting between district and substrate area.Thus, the section cut between district and substrate area can not produce burr, and the bonding strength cut between district and substrate area can reach the requirement of expection.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (9)
1. a process for stamping for metal sheet, is characterized in that, comprises:
There is provided a metal sheet, this metal sheet has a relative first surface and one second, and the definition of this metal sheet has a substrate area and to cut district;
One first Sheet Metal Forming Technology is imposed to this metal sheet, make this cut this first surface that this substrate area is protruded in district; And
One second Sheet Metal Forming Technology is imposed to this metal sheet, cuts this second that this substrate area is oppositely protruded in district with this making this first surface of former this substrate area of protrusion, cut between district and this substrate area to make this and produce a section,
Wherein, this first Sheet Metal Forming Technology also comprises:
There is provided one first relative male model and one first master mold, this first male model has one first projection, and this first master mold has one first groove, to should the first projection;
This first surface of this metal sheet is placed in this first master mold, and makes this position cutting district to should the position of the first groove and this first projection; And
Make this first male model be pressed on this metal sheet, this cuts district and make this cut this first surface that this substrate area is protruded in district to make this first projection punching press.
2. the process for stamping of metal sheet according to claim 1, is characterized in that, this cuts the distance protruding this first surface of this substrate area in district is 1/2nd of the thickness of slab of this metal sheet.
3. the process for stamping of metal sheet according to claim 1, is characterized in that, this cuts this second the distance protruding this substrate area in district is 1/2nd of the thickness of slab of this metal sheet.
4. the process for stamping of metal sheet according to claim 1, it is characterized in that, this first projection caves inward from its at least one side and has one first recess, and this metal sheet to should this first recess and being formed of the first projection connect that this substrate area cuts district with this one be connected protuberance.
5. the process for stamping of metal sheet according to claim 4, is characterized in that, the relative two side faces of this first projection has this first recess respectively.
6. the process for stamping of metal sheet according to claim 1, is characterized in that, this second Sheet Metal Forming Technology also comprises:
There is provided one second relative male model and one second master mold, this second male model has one second projection, and this second master mold has one second groove, and to should the second projection, and this second projection caves inward from its at least one side and has one second recess;
This second face of this metal sheet is placed in this second master mold, and makes this position cutting district to should the position of the second groove and this second projection; And
Make this second male model be pressed on this metal sheet, make this second projection punching press this cut district and make this first surface of former this substrate area of protrusion this cut this second that this substrate area is oppositely protruded in district.
7. the process for stamping of metal sheet according to claim 6, it is characterized in that, this second projection caves inward from its at least one side and has one second recess, and this metal sheet to should this second recess and being formed of the second projection connect that this substrate area cuts district with this one be connected protuberance.
8. the process for stamping of metal sheet according to claim 7, is characterized in that, the relative two side faces of this second projection has this second recess respectively.
9. a process for stamping for metal sheet, is characterized in that, comprises:
There is provided one first relative male model and one first master mold, this first male model has one first projection, and this first master mold has one first groove, and to should the first projection, and this first projection caves inward from its at least one side and has one first recess;
There is provided a metal sheet, this metal sheet has a relative first surface and one second, and the definition of this metal sheet has a substrate area and to cut district;
This first surface of this metal sheet is placed in this first master mold, and makes this position cutting district to should the position of the first groove and this first projection;
This first male model is made to be pressed on this metal sheet, this cuts district and make this cut this first surface that this substrate area is protruded in district to make this first projection punching press, this cuts the distance protruding this first surface of this substrate area in district is 1/2nd of the thickness of slab of this metal sheet, and this metal sheet is to this first recess and being formed of the first projection should connecting this substrate area and cut one of district with this and be connected protuberance;
There is provided one second relative male model and one second master mold, this second male model has one second projection, and this second master mold has one second groove, and to should the second projection, and this second projection caves inward from its at least one side and has one second recess;
This second face of this metal sheet is placed in this second master mold, and makes this position cutting district to should the position of the second groove and this second projection, and the position of this second recess be to the position that should connect protuberance; And
This second male model is made to be pressed on this metal sheet, make this second projection punching press this cut district and make this first surface of former this substrate area of protrusion this cut this second that this substrate area is oppositely protruded in district, this cuts this second the distance protruding this substrate area in district is 1/2nd of the thickness of slab of this metal sheet, cut between district and this substrate area to make this and produce a section, and this cuts district and utilizes this to be connected protuberance with this substrate area and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426328.0A CN103785732B (en) | 2012-10-31 | 2012-10-31 | The process for stamping of metal sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426328.0A CN103785732B (en) | 2012-10-31 | 2012-10-31 | The process for stamping of metal sheet |
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| Publication Number | Publication Date |
|---|---|
| CN103785732A CN103785732A (en) | 2014-05-14 |
| CN103785732B true CN103785732B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210426328.0A Expired - Fee Related CN103785732B (en) | 2012-10-31 | 2012-10-31 | The process for stamping of metal sheet |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200984602Y (en) * | 2006-08-28 | 2007-12-05 | 无锡相川铁龙电子有限公司 | Blanking die of the ultrathin element of the notebook-type computer card reader |
| CN101107086A (en) * | 2005-01-25 | 2008-01-16 | 爱信艾达株式会社 | Pressing mechine, pressing method, and punched article |
| JP4315672B2 (en) * | 2002-11-28 | 2009-08-19 | 株式会社三井ハイテック | Method for manufacturing element of continuously variable transmission belt |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59193725A (en) * | 1983-04-18 | 1984-11-02 | Komatsu Ltd | Formation of bulging part in panel |
| JP2004167547A (en) * | 2002-11-20 | 2004-06-17 | Nakamura Mfg Co Ltd | Method for shearing sheet |
| JP2006263768A (en) * | 2005-02-28 | 2006-10-05 | Aisin Aw Co Ltd | Apparatus and method for press working |
-
2012
- 2012-10-31 CN CN201210426328.0A patent/CN103785732B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4315672B2 (en) * | 2002-11-28 | 2009-08-19 | 株式会社三井ハイテック | Method for manufacturing element of continuously variable transmission belt |
| CN101107086A (en) * | 2005-01-25 | 2008-01-16 | 爱信艾达株式会社 | Pressing mechine, pressing method, and punched article |
| CN200984602Y (en) * | 2006-08-28 | 2007-12-05 | 无锡相川铁龙电子有限公司 | Blanking die of the ultrathin element of the notebook-type computer card reader |
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| CN103785732A (en) | 2014-05-14 |
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