CN103934358A - Elliptical hole punching die for numerical control press and elliptical hole punching method - Google Patents
Elliptical hole punching die for numerical control press and elliptical hole punching method Download PDFInfo
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- CN103934358A CN103934358A CN201410206066.6A CN201410206066A CN103934358A CN 103934358 A CN103934358 A CN 103934358A CN 201410206066 A CN201410206066 A CN 201410206066A CN 103934358 A CN103934358 A CN 103934358A
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- elliptical aperture
- counterdie
- stamping
- elliptical hole
- numerical control
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004080 punching Methods 0.000 title abstract description 13
- 239000000463 material Substances 0.000 claims description 9
- 230000011218 segmentation Effects 0.000 claims description 7
- 230000007547 defect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 5
- 238000010009 beating Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012467 final product Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses an elliptical hole punching die for a numerical control press. The elliptical hole punching die comprises multiple lower dies and punches used in cooperation with the lower dies. Each lower die is provided with a punching hole comprising arc sections. When the arc sections of the multiple lower dies are jointed, edge line of an elliptical hole is formed. The elliptical hole punching die enables a large elliptical hole to be punched in a sectioned mode, and finally the complete elliptical hole can be formed. Due to the fact that the complete elliptical hole can be formed right after the arc sections of the multiple lower dies are jointed, the elliptical hole punched through the elliptical hole punching die do not have lapping defects, the edge line of the elliptical hole is smooth, and production in subsequent processes is benefited; meanwhile, the elliptical hole punching die can also effectively reduce punching times and improve the punching efficiency of the elliptical hole. The invention further provides an elliptical hole punching method by the adoption of the elliptical hole punching die for the numerical control press.
Description
Technical field
The present invention relates to Machining Technology field, more particularly, relate to the blanking method of a kind of numerical control press elliptical aperture blanking die and elliptical aperture.
Background technology
In the production process of multiple product, relate to the processing of carrying out elliptical aperture on sheet metal component, and in the time that the size of elliptical aperture is larger, be limited by the restriction of numerical control press station size, elliptical aperture adds and only can nibble stamping-out processing by small sircle hole mould carrying out numerical control punching man-hour, what is called is nibbled stamping-out processing and by small sircle hole mould, panel beating is carried out to multitool stamping-out, joint line after multitool stamping-out forms the edge of elliptical aperture, because the camber line degree of crook at elliptical aperture major axis two ends is larger, and the degree of crook of the camber line at minor axis two ends is less, thereby in stamping-out process, need to use the camber line at the first small sircle hole mould 02 stamping-out processing elliptical aperture 01 major axis two ends that diameter is less, utilize the camber line at the second small sircle hole mould 03 stamping-out processing elliptical aperture 01 minor axis two ends that diameter is larger, last stamping-out forms whole elliptical aperture 01, as shown in Figures 1 and 2.
Although nibbling stamping-out, employing processes the processing that can complete elliptical aperture, but in this kind of processing method, exist larger drawback, be mainly manifested in: process is loaded down with trivial details, reprocessabilty often, under normal circumstances, a processing elliptical aperture two kinds of moulds are nibbled stamping-out and are estimated need to carry out 52 times; The lapping defect of nibbling in addition the elliptical aperture edge forming after stamping-out processing is many, and the burr at edge is very many, is unfavorable for the later use of sheet metal component; Again nibble the waste material producing in stamping-out process more, this easily causes sheet metal component to occur impression, even causes scrapping of sheet metal component.
Therefore, how can improve the working (machining) efficiency of elliptical aperture, and the crudy that effectively improves elliptical aperture is the technical problem that current those skilled in the art need solution badly.
Summary of the invention
In view of this, one of object of the present invention is to provide a kind of numerical control press elliptical aperture blanking die, to can effectively improve the stamping-out efficiency of elliptical aperture, and improves the crudy of elliptical aperture.
Another object of the present invention is to provide a kind of utilizes above-mentioned elliptical aperture blanking die to carry out the method for elliptical aperture stamping-out.
For achieving the above object, first aspect present invention provides following technical scheme:
A kind of numerical control press elliptical aperture blanking die, comprise counterdie and with the matching used drift of described counterdie, and described counterdie comprises multiple, on each described counterdie, be provided with the stamping-out hole that comprises camber line sections, and camber line sections on multiple described counterdie forms the edge line of described elliptical aperture while engaging.
Preferably, when the camber line sections on multiple described counterdies engages, multiple described stamping-outs hole can cover the blanking position of described elliptical aperture completely.
Preferably, described counterdie comprises two, and camber line sections in stamping-out hole on two described counterdies is respectively two sections of camber lines that the minor axis of described elliptical aperture is divided equally.
Preferably, described counterdie comprises three, wherein two is end counterdie, another one is middle part counterdie, camber line sections in stamping-out hole on two described end counterdies is respectively the camber line at described elliptical aperture major axis two ends, and the stamping-out hole on two described end counterdies is about the minor axis symmetry of described elliptical aperture, counterdie position, described middle part is for the material between two described end counterdies of stamping-out, and camber line sections in stamping-out hole on the counterdie of described middle part engages the elliptical aperture edge line of complete with the camber line sections in stamping-out hole on two described end counterdies.
Preferably, the stamping-out hole self on the counterdie of described middle part is about the major axis symmetry of described elliptical aperture.
Preferably, described middle part counterdie is split-type structural, and described middle part counterdie comprises axisymmetric the first middle part counterdie of length and the second middle part counterdie about described elliptical aperture.
Second aspect present invention also provides a kind of elliptical aperture blanking method, and this elliptical aperture blanking method specifically comprises: on numerical control press, adopt as above disclosed numerical control press elliptical aperture blanking die in any one to carry out segmentation stamping-out to elliptical aperture.
As can be seen from the above technical solutions, numerical control press disclosed in this invention with elliptical aperture blanking die comprise counterdie and with the matching used drift of counterdie, wherein counterdie comprises multiple, and on each counterdie, be provided with the stamping-out hole that comprises camber line sections, when the camber line sections on multiple counterdies engages, form the edge line of the elliptical aperture that needs stamping-out.
This just makes can carry out segmentation stamping-out for larger elliptical aperture, first adopt one of them counterdie to carry out stamping-out, can form one section of circular arc of elliptical aperture, and then adopt another one counterdie to carry out stamping-out, can form other one section of circular arc of elliptical aperture, change so successively counterdie and carry out stamping-out, finally can form complete elliptical aperture.Due to camber line sections on counterdie just in time can complete after engaging elliptical aperture, thereby just can there is not lapping defect in the elliptical aperture that this kind of elliptical aperture blanking die institute stamping-out goes out, the edge line of elliptical aperture is smooth-going smooth, is conducive to the production in subsequent handling; This kind of blanking die also can effectively reduce stamping-out number of times simultaneously, the general processing that only can complete whole elliptical aperture by stamping-out several times.
As can be seen here, in the present invention, disclosed numerical control press can, in effectively improving the stamping-out efficiency of elliptical aperture, improve the crudy of elliptical aperture with elliptical aperture blanking tool.
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, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the process schematic diagram of available technology adopting the first small sircle hole Dies ' Blanking processing elliptical aperture;
Fig. 2 is the process schematic diagram of available technology adopting the second small sircle hole Dies ' Blanking processing elliptical aperture;
Fig. 3 is for the process schematic diagram of the elliptical aperture blanking die processing elliptical aperture providing in an embodiment of the present invention is provided;
Fig. 4 is for the process schematic diagram of the elliptical aperture blanking die processing elliptical aperture providing in another embodiment of the present invention is provided;
Fig. 5 is for the process schematic diagram of the elliptical aperture blanking die processing elliptical aperture providing in yet another embodiment of the invention is provided.
Wherein, 1 is elliptical aperture.
Detailed description of the invention
One of core of the present invention is to provide a kind of numerical control press elliptical aperture blanking die, to can effectively improve the stamping-out efficiency of elliptical aperture, and improves the crudy of elliptical aperture.
Another core of the present invention is to provide a kind of and utilizes above-mentioned elliptical aperture blanking die to carry out the method for elliptical aperture stamping-out.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The numerical control press providing in embodiment of the present invention elliptical aperture blanking die, comprise counterdie and with the matching used drift of counterdie, and counterdie comprises multiple, on each counterdie, be provided with the stamping-out hole that comprises camber line sections, and camber line sections on multiple counterdie just can form the edge line of elliptical aperture while engaging.
Because counterdie has multiple, and when the camber line sections in stamping-out hole engages on multiple counterdies, just can form the edge line of elliptical aperture, thereby this just makes can and to carry out segmentation stamping-out for larger elliptical aperture, concrete, first adopt one of them counterdie and the drift supporting with it to carry out stamping-out, can form one section of circular arc of elliptical aperture, then adopting another one counterdie and the drift supporting with it to carry out stamping-out, can form other one section of circular arc of elliptical aperture, so change counterdie and the drift supporting with it and carry out stamping-out, finally can form complete elliptical aperture.Due to camber line sections on counterdie just in time can complete after engaging elliptical aperture, thereby just can there is not lapping defect in the elliptical aperture that this kind of elliptical aperture blanking die institute stamping-out goes out, the edge line of elliptical aperture is smooth-going smooth, is conducive to the production in subsequent handling; This kind of stamping-out mode also can effectively reduce stamping-out number of times simultaneously, the general processing that only can complete whole elliptical aperture by stamping-out several times.
Be understandable that, while joint due to the camber line sections on counterdie, can form the edge line of elliptical aperture, thereby when adopting each counterdie and the drift supporting with it to complete after stamping-out, the material at elliptical aperture middle part can depart from former sheet metal component, if but stamping-out hole itself does not cover the blanking position of elliptical aperture inside completely, easily cause splashing of material in stamping-out process, there is larger potential safety hazard, thereby the numerical control press providing in the present embodiment is with in elliptical aperture blanking tool, preferably in the time that the camber line sections of multiple counterdies engages, multiple stamping-outs hole can cover the blanking position of elliptical aperture completely, make like this each the piece material in elliptical aperture all be punched removal, thereby the phenomenon that there will not be material to splash.
In a kind of embodiment provided by the present invention, counterdie specifically comprises two, certainly, also should comprise two with the corresponding drift of counterdie, camber line sections in stamping-out hole on two counterdies is respectively the two ends camber line that the minor axis of elliptical aperture is divided equally, as shown in Figure 3, Fig. 3 is the concrete stamping-out process schematic diagram of counterdie while comprising two, wherein thick lines representatives by the shape of the counterdie that panel beating covered, in Fig. 3, be followed successively by from left to right the first cutter of stamping-out, overall schematic after the second cutter and the first cutter and the second cutter superimposed, as can be seen from Figure 3, get final product the processing of a complete complete elliptical aperture by two cutter stamping-outs, this can effectively improve the stamping-out efficiency of elliptical aperture, and the stamping-out hole on two counterdies can cover the blanking position of elliptical aperture completely, effectively avoid splashing of material.
The present invention also provides an embodiment, in this embodiment, counterdie specifically comprises three, accordingly, the drift supporting with counterdie also should be 3, two in three counterdies is end counterdie, another is middle part counterdie, camber line sections in stamping-out hole on two end counterdies is respectively the camber line at elliptical aperture major axis two ends, and the stamping-out hole on two end counterdies is about the minor axis symmetry of elliptical aperture, middle part counterdie is for the material between two end counterdies of stamping-out, and the camber line sections in the stamping-out hole on the counterdie of middle part engages the elliptical aperture edge line of complete with the camber line sections in stamping-out hole on two end counterdies.As shown in Figure 4, Fig. 4 is the concrete stamping-out process schematic diagram of counterdie while comprising three, wherein thick lines representatives by the shape of the counterdie that panel beating covered, in Fig. 4, be followed successively by from left to right the first cutter of stamping-out, the second cutter, the 3rd cutter and the first cutter, overall schematic after the second cutter and the 3rd cutter superimposed, certainly, the first cutter, stamping-out order between the second cutter and the 3rd cutter can change, as can be seen from Figure 4, get final product the processing of a complete complete elliptical aperture by three cutter stamping-outs, this can effectively improve the stamping-out efficiency of elliptical aperture, and the smooth of the edge of the elliptical aperture that stamping-out completes is without burr, this has also just effectively improved the crudy of elliptical aperture.
Easy for Mold Making, the stamping-out hole on the middle part counterdie in above-described embodiment self is about the major axis symmetry of elliptical aperture, as shown in Figure 4.
The present invention also provides an embodiment, this embodiment is on the basis of above-described embodiment, middle part counterdie is divided into two, as shown in Figure 5, now middle part counterdie comprises axisymmetric the first middle part counterdie of length and the second middle part counterdie about elliptical aperture, counterdie separately rear counterdie sum in middle part has become four, thereby also just there is variation in the concrete stamping-out step of elliptical aperture, Fig. 5 is the concrete stamping-out process schematic diagram of counterdie while comprising four, wherein thick lines representatives by the shape of the counterdie that panel beating covered, in Fig. 5, be followed successively by from left to right the first cutter of stamping-out, the second cutter, the 3rd cutter, four blade and the first cutter, the second cutter, overall schematic after the 3rd cutter and four blade superimposed, certainly, the first cutter, the second cutter, stamping-out order between the 3rd cutter and four blade can change, as can be seen from Figure 5, can complete the processing of a complete elliptical aperture by four blade stamping-out, this can effectively improve the stamping-out efficiency of elliptical aperture, and the smooth of the edge of the elliptical aperture that stamping-out completes is without burr, this has also just effectively improved the crudy of elliptical aperture, stamping-out hole on four counterdies can cover the blanking position of elliptical aperture completely simultaneously, has effectively avoided splashing of material.
In above embodiment, only list several numerical control presses elliptical aperture blanking die, those skilled in the art can also carry out accommodation to technique scheme according to above-described embodiment, for example counterdie is designed to 5,6 even more, certainly, the number of counterdie is more, and the number of times of required stamping-out is also just more, the in the situation that of meeting the demands in numerical control press station space, should reduce stamping-out number of times, to improve the stamping-out efficiency of elliptical aperture as far as possible.
In the present invention, also disclose a kind of blanking method of elliptical aperture, the method comprises, on numerical control press, adopts disclosed numerical control press elliptical aperture blanking die in above-mentioned any embodiment to carry out segmentation stamping-out to elliptical aperture simultaneously.
Need to describe, the segmentation stamping-out in above-described embodiment specifically refers to and adopts different counterdies to carry out stamping-out to the camber line of elliptical aperture different parts, so that go out to need the elliptical aperture of processing by the camber line sections stamping-out on each counterdie.
Elliptical aperture can be divided into two sections, three sections or four sections etc. according to actual conditions and carry out stamping-out, in fragmentation procedure, preferably the camber line on ellipse is divided into several sections of symmetrical camber lines and processes, as the corresponding camber line of elliptical aperture blanking die in Fig. 3, Fig. 4 and Fig. 5.
Owing to adopting disclosed numerical control press in above-described embodiment with elliptical aperture blanking die, elliptical aperture to be processed, thereby realized the segmentation stamping-out of elliptical aperture, this has not only improved the stamping-out efficiency of elliptical aperture, but also has effectively improved the crudy of elliptical aperture.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a numerical control press elliptical aperture blanking die, comprise counterdie and with the matching used drift of described counterdie, it is characterized in that, described counterdie comprises multiple, on each described counterdie, be provided with the stamping-out hole that comprises camber line sections, and camber line sections on multiple described counterdie forms the edge line of described elliptical aperture while engaging.
2. numerical control press as claimed in claim 1 elliptical aperture blanking die, is characterized in that, when the camber line sections on multiple described counterdies engages, multiple described stamping-outs hole can cover the blanking position of described elliptical aperture completely.
3. numerical control press as claimed in claim 1 elliptical aperture blanking die, is characterized in that, described counterdie comprises two, and camber line sections in stamping-out hole on two described counterdies is respectively two sections of camber lines that the minor axis of described elliptical aperture is divided equally.
4. numerical control press as claimed in claim 1 elliptical aperture blanking die, it is characterized in that, described counterdie comprises three, wherein two is end counterdie, another one is middle part counterdie, camber line sections in stamping-out hole on two described end counterdies is respectively the camber line at described elliptical aperture major axis two ends, and the stamping-out hole on two described end counterdies is about the minor axis symmetry of described elliptical aperture, counterdie position, described middle part is for the material between two described end counterdies of stamping-out, and the camber line sections in the stamping-out hole on the counterdie of described middle part engages the elliptical aperture edge line of complete with the camber line sections in stamping-out hole on two described end counterdies.
5. numerical control press as claimed in claim 4 elliptical aperture blanking die, is characterized in that, the stamping-out hole on the counterdie of described middle part self is about the major axis symmetry of described elliptical aperture.
6. numerical control press as claimed in claim 4 elliptical aperture blanking die, is characterized in that, described middle part counterdie is split-type structural, and described middle part counterdie comprises axisymmetric the first middle part counterdie of length and the second middle part counterdie about described elliptical aperture.
7. an elliptical aperture blanking method, is characterized in that, on numerical control press, adopts the numerical control press described in claim 1-6 any one, with elliptical aperture blanking die, elliptical aperture is carried out to segmentation stamping-out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206066.6A CN103934358B (en) | 2014-05-15 | 2014-05-15 | A kind of numerical control press elliptical aperture blanking die and elliptical aperture blanking method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206066.6A CN103934358B (en) | 2014-05-15 | 2014-05-15 | A kind of numerical control press elliptical aperture blanking die and elliptical aperture blanking method |
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| Publication Number | Publication Date |
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| CN103934358A true CN103934358A (en) | 2014-07-23 |
| CN103934358B CN103934358B (en) | 2016-02-10 |
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| CN201410206066.6A Expired - Fee Related CN103934358B (en) | 2014-05-15 | 2014-05-15 | A kind of numerical control press elliptical aperture blanking die and elliptical aperture blanking method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107405672A (en) * | 2015-03-06 | 2017-11-28 | Ｊｘ金属株式会社 | Punch press process method, the manufacture method of punch forming part and punch forming part |
| CN112792510A (en) * | 2021-01-08 | 2021-05-14 | 汇昊工业制造（大连）有限公司 | Method for processing solar panel mounting seat |
| CN113523091A (en) * | 2021-06-23 | 2021-10-22 | 东风柳州汽车有限公司 | 7-shaped hole machining method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB465615A (en) * | 1935-07-24 | 1937-05-11 | Franz Rinagl | An improved form of construction for machine parts, and constructional elements, having apertures, drilled holes or the like |
| JPS59169631A (en) * | 1983-03-18 | 1984-09-25 | Hitachi Ltd | Forming of assymmetrical stretch flange |
| JPH02274328A (en) * | 1989-04-17 | 1990-11-08 | San Raizu Kogyo Kk | Manufacture of multistage bent and punched tube and punch used therefor |
| CN102847846A (en) * | 2012-08-30 | 2013-01-02 | 上海大俊凯电器科技有限公司 | Stamping device for elliptical holes or approximate elliptical holes |
-
2014
- 2014-05-15 CN CN201410206066.6A patent/CN103934358B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB465615A (en) * | 1935-07-24 | 1937-05-11 | Franz Rinagl | An improved form of construction for machine parts, and constructional elements, having apertures, drilled holes or the like |
| JPS59169631A (en) * | 1983-03-18 | 1984-09-25 | Hitachi Ltd | Forming of assymmetrical stretch flange |
| JPH02274328A (en) * | 1989-04-17 | 1990-11-08 | San Raizu Kogyo Kk | Manufacture of multistage bent and punched tube and punch used therefor |
| CN102847846A (en) * | 2012-08-30 | 2013-01-02 | 上海大俊凯电器科技有限公司 | Stamping device for elliptical holes or approximate elliptical holes |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107405672A (en) * | 2015-03-06 | 2017-11-28 | Ｊｘ金属株式会社 | Punch press process method, the manufacture method of punch forming part and punch forming part |
| EP3266535A4 (en) * | 2015-03-06 | 2018-11-21 | JX Nippon Mining & Metals Corporation | Punch processing method, method of manufacturing press-formed product, and press-formed product |
| US10315240B2 (en) | 2015-03-06 | 2019-06-11 | Jx Nippon Mining & Metals Corporation | Punching processing method, method of manufacturing press-formed product, and press-formed product |
| CN107405672B (en) * | 2015-03-06 | 2019-07-12 | Ｊｘ金属株式会社 | Punch press process method, the manufacturing method of punch forming part and punch forming part |
| CN112792510A (en) * | 2021-01-08 | 2021-05-14 | 汇昊工业制造（大连）有限公司 | Method for processing solar panel mounting seat |
| CN113523091A (en) * | 2021-06-23 | 2021-10-22 | 东风柳州汽车有限公司 | 7-shaped hole machining method |
| CN113523091B (en) * | 2021-06-23 | 2022-07-19 | 东风柳州汽车有限公司 | 7-shaped hole machining method |
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Granted publication date: 20160210 |