CN103934358B - Elliptical hole blanking die and method for numerical control punch - Google Patents
Elliptical hole blanking die and method for numerical control punch Download PDFInfo
- Publication number
- CN103934358B CN103934358B CN201410206066.6A CN201410206066A CN103934358B CN 103934358 B CN103934358 B CN 103934358B CN 201410206066 A CN201410206066 A CN 201410206066A CN 103934358 B CN103934358 B CN 103934358B
- Authority
- CN
- China
- Prior art keywords
- elliptical aperture
- stamping
- blanking
- counterdie
- elliptical
- 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
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000011218 segmentation Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 239000002184 metal Substances 0.000 description 5
- 238000010009 beating Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 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
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses an elliptical hole blanking die for a numerical control punch press, which comprises a lower die and a punch matched with the lower die for use, wherein the lower die comprises a plurality of lower dies, each lower die is provided with a blanking hole comprising an arc line section, and the arc line sections on the lower dies form edge lines of the elliptical holes when being jointed. The invention can perform sectional blanking on larger elliptical holes, and finally complete elliptical holes can be formed. The arc sections on the lower die are jointed to form a complete elliptical hole, so that the elliptical hole punched by the elliptical hole punching die has no joint mark, and the edge line of the elliptical hole is smooth and smooth, thereby being beneficial to the production in the subsequent process; meanwhile, the blanking die can effectively reduce the blanking times and improve the blanking efficiency of the elliptical hole. The invention also provides a method for blanking the elliptical hole by adopting the elliptical hole blanking die for the numerical control punch.
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
The processing carrying out elliptical aperture on sheet metal component is related in the production process of multiple product, and when the size of elliptical aperture is larger, be limited by the restriction of numerical control press station size, elliptical aperture adds and is only undertaken nibbling punch press process by small sircle hole mould carrying out numerical control punching man-hour, what is called is nibbled punch press process and is namely carried out multitool stamping-out by small sircle hole mould to panel beating, joint line after multitool stamping-out forms the edge of elliptical aperture, because the curvature degree 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, thus in blanking process, need the camber line using the first less small sircle hole mould 02 punch press process elliptical aperture 01 major axis two ends of diameter, the camber line at the second small sircle hole mould 03 punch press process elliptical aperture 01 minor axis two ends utilizing diameter larger, last stamping-out forms whole elliptical aperture 01, as shown in Figures 1 and 2.
Although adopt and nibble the processing that punch press process can complete elliptical aperture, but there is larger drawback in this kind of processing method, be mainly manifested in: process is loaded down with trivial details, reprocessabilty often, under normal circumstances, stamping-out expectation nibbled by a processing elliptical aperture two kinds of moulds needs to carry out 52 times; The lapping defect at the elliptical aperture edge formed after nibbling punch press process is in addition many, and the burr at edge is very many, is unfavorable for the later use of sheet metal component; Again nibble the waste material produced in punch press process 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 effectively improving elliptical aperture is the technical problem that current those skilled in the art need solution badly.
Summary of the invention
In view of this, an object of the present invention is to provide a kind of numerical control press elliptical aperture blanking die, effectively can 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 drift matching used with described counterdie, and described counterdie comprises multiple, each described counterdie is provided with the stamping-out hole comprising camber line sections, and forms the edge line of described elliptical aperture when the camber line sections on multiple described counterdie engages.
Preferably, when the camber line sections on multiple described counterdie engages, the blanking position of described elliptical aperture can cover by multiple described stamping-out hole completely.
Preferably, described counterdie comprises two, and two sections of camber lines that the minor axis that the camber line sections in stamping-out hole on two described counterdies is respectively 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 stamping-out hole on two described end counterdies is symmetrical about the minor axis of described elliptical aperture, counterdie position, described middle part is used for the material between stamping-out two described end counterdies, and the camber line sections in stamping-out hole on the counterdie of described middle part engages with the camber line sections in the stamping-out hole on two described end counterdies and forms complete elliptical aperture edge line.
Preferably, the stamping-out hole self on the counterdie of described middle part is symmetrical about the major axis of described elliptical aperture.
Preferably, described middle part counterdie is split-type structural, and counterdie in the middle part of counterdie and second in the middle part of described middle part counterdie comprises about described elliptical aperture length axisymmetric first.
Second aspect present invention additionally provides a kind of elliptical aperture blanking method, and this elliptical aperture blanking method specifically comprises: on numerical control press, adopts numerical control press elliptical aperture blanking die disclosed in as above any one to carry out segmentation stamping-out to elliptical aperture.
As can be seen from the above technical solutions, numerical control press elliptical aperture blanking die disclosed in this invention comprises counterdie and drift matching used with counterdie, wherein counterdie comprises multiple, and each counterdie is provided with the stamping-out hole comprising camber line sections, when the camber line sections on multiple counterdie engages, forms the edge line needing the elliptical aperture of stamping-out.
This just makes can carry out segmentation stamping-out for larger elliptical aperture, first one of them counterdie is adopted to carry out stamping-out, one section of circular arc of elliptical aperture can be formed, and then adopt another one counterdie to carry out stamping-out, other one section of circular arc of elliptical aperture can be formed, change counterdie so successively and carry out stamping-out, finally can form complete elliptical aperture.Due to the camber line sections on counterdie engage after just in time can form complete elliptical aperture, would not there is lapping defect in the elliptical aperture that thus 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, generally can complete the processing of whole elliptical aperture by means of only stamping-out several times.
As can be seen here, numerical control press elliptical aperture blanking tool disclosed in the present invention while the stamping-out efficiency effectively improving elliptical aperture, can improve the crudy of elliptical aperture.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process schematic adopting the first small sircle hole Dies ' Blanking processing elliptical aperture in prior art;
Fig. 2 is the process schematic adopting the second small sircle hole Dies ' Blanking processing elliptical aperture in prior art;
Fig. 3 is for adopting the process schematic of the elliptical aperture blanking die processing elliptical aperture provided in an embodiment of the present invention;
Fig. 4 is for adopting the process schematic of the elliptical aperture blanking die processing elliptical aperture provided in another embodiment of the present invention;
Fig. 5 is for adopting the process schematic of the elliptical aperture blanking die processing elliptical aperture provided in yet another embodiment of the invention.
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, effectively can improve the stamping-out efficiency of elliptical aperture, and improves the crudy of elliptical aperture.
Another core of the present invention is that providing a kind of 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, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The numerical control press elliptical aperture blanking die provided in the embodiment of the present invention, comprise counterdie and drift matching used with counterdie, and counterdie comprises multiple, each counterdie is provided with the stamping-out hole comprising camber line sections, and just can forms the edge line of elliptical aperture when the camber line sections on multiple counterdie engages.
Because counterdie has multiple, and just can form the edge line of elliptical aperture when the camber line sections in stamping-out hole engages on multiple counterdie, thus this just makes and to carry out segmentation stamping-out for larger elliptical aperture, concrete, first one of them counterdie and the drift supporting with it is adopted to carry out stamping-out, one section of circular arc of elliptical aperture can be formed, then stamping-out is carried out at employing another one counterdie and the drift supporting with it, other one section of circular arc of elliptical aperture can be formed, replacing counterdie like this and the drift supporting with it carry out stamping-out, finally can form complete elliptical aperture.Due to the camber line sections on counterdie engage after just in time can form complete elliptical aperture, would not there is lapping defect in the elliptical aperture that thus 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, generally can complete the processing of whole elliptical aperture by means of only stamping-out several times.
Be understandable that, due to the edge line of elliptical aperture can be formed when the camber line sections on counterdie engages, thus after each counterdie of employing and the drift supporting with it complete stamping-out, material in the middle part of elliptical aperture can depart from former sheet metal component, if but the blanking position of elliptical aperture inside does not cover by stamping-out hole itself completely, easily cause splashing of material in blanking process, there is larger potential safety hazard, thus in the numerical control press elliptical aperture blanking tool provided in the present embodiment, preferably when the camber line sections of multiple counterdie engages, the blanking position of elliptical aperture can cover by multiple stamping-out hole completely, each the block material in elliptical aperture is made all to be punched removal like this, thus there will not be the phenomenon that material splashes.
In a kind of embodiment provided by the present invention, counterdie specifically comprises two, certainly, the drift corresponding to counterdie also should comprise two, the two ends camber line that the minor axis that camber line sections in stamping-out hole on two counterdies is respectively elliptical aperture is divided equally, as shown in Figure 3, Fig. 3 is the concrete blanking process schematic diagram of counterdie when comprising two, wherein thick lines representative the shape of counterdie that covers by panel beating, the first cutter of stamping-out is followed successively by from left to right in Fig. 3, second cutter and the first cutter and the second cutter superimposed after overall schematic, as can be seen from Figure 3, the processing of a complete complete elliptical aperture is got final product by two cutter stamping-outs, this effectively can improve the stamping-out efficiency of elliptical aperture, and the blanking position of elliptical aperture can cover by stamping-out hole on two counterdies completely, effectively prevent splashing of material.
Present invention also offers an embodiment, in this embodiment, counterdie specifically comprises three, accordingly, also 3 are should be with the drift that counterdie is supporting, 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 stamping-out hole on two end counterdies is symmetrical about the minor axis of elliptical aperture, middle part counterdie is used for the material between stamping-out two end counterdies, and the camber line sections in stamping-out hole on the counterdie of middle part engages with the camber line sections in the stamping-out hole on two end counterdies and forms complete elliptical aperture edge line.As shown in Figure 4, Fig. 4 is the concrete blanking process schematic diagram of counterdie when comprising three, wherein thick lines representative the shape of counterdie that covers by panel beating, the first cutter of stamping-out is followed successively by from left to right in Fig. 4, second cutter, 3rd cutter and the first cutter, second cutter and the 3rd cutter superimposed after overall schematic, certainly, first cutter, stamping-out order between second cutter and the 3rd cutter can change, as can be seen from Figure 4, the processing of a complete complete elliptical aperture is got final product by three cutter stamping-outs, this effectively can improve the stamping-out efficiency of elliptical aperture, and the smooth of the edge impulse-free robustness of the elliptical aperture that stamping-out completes, this also just effectively improves the crudy of elliptical aperture.
Easy in order to Mold Making, the stamping-out hole on the middle part counterdie in above-described embodiment self is symmetrical about the major axis of elliptical aperture, as shown in Figure 4.
Present invention also offers 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 comprise about elliptical aperture length axisymmetric first in the middle part of counterdie in the middle part of counterdie and second, middle part counterdie separately rear counterdie sum has become four, thus the blanking step that elliptical aperture is concrete also just there occurs change, Fig. 5 is the concrete blanking process schematic diagram of counterdie when comprising four, wherein thick lines representative the shape of counterdie that covers by panel beating, the first cutter of stamping-out is followed successively by from left to right in Fig. 5, second cutter, 3rd cutter, four blade and the first cutter, second cutter, 3rd cutter and four blade superimposed after overall schematic, certainly, first cutter, second cutter, 3rd between cutter and four blade stamping-out order can change, as can be seen from Figure 5, the processing of a complete elliptical aperture can be completed by four blade stamping-out, this effectively can improve the stamping-out efficiency of elliptical aperture, and the smooth of the edge impulse-free robustness of the elliptical aperture that stamping-out completes, this also just effectively improves the crudy of elliptical aperture, the blanking position of elliptical aperture can cover by stamping-out hole simultaneously on four counterdies completely, effectively prevent splashing of material.
Several numerical control press elliptical aperture blanking die is only listed in above embodiment, those skilled in the art can also carry out accommodation to technique scheme according to above-described embodiment, such as 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 more, when numerical control press station space meets the demands, stamping-out number of times should be reduced, to improve the stamping-out efficiency of elliptical aperture as far as possible.
Also disclose a kind of blanking method of elliptical aperture in the present invention, the method comprises simultaneously, on numerical control press, adopts numerical control press elliptical aperture blanking die disclosed in above-mentioned any embodiment to carry out segmentation stamping-out to elliptical aperture.
Need to be described, 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. to carry out stamping-out according to actual conditions, in fragmentation procedure, preferred several sections of symmetrical camber lines are divided into by camber line on ellipse to process, as the camber line corresponding to the elliptical aperture blanking die in Fig. 3, Fig. 4 and Fig. 5.
Owing to adopting numerical control press elliptical aperture blanking die disclosed in above-described embodiment to process elliptical aperture, thus achieve the segmentation stamping-out of elliptical aperture, which not only improves the stamping-out efficiency of elliptical aperture, but also effectively improve 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 the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. a numerical control press elliptical aperture blanking die, comprise counterdie and drift matching used with described counterdie, it is characterized in that, described counterdie comprises two, each described counterdie is provided with the stamping-out hole comprising camber line sections, and camber line sections on two described counterdies forms the edge line of described elliptical aperture when engaging, two sections of camber lines that the minor axis that the camber line sections in the stamping-out hole on two described counterdies is respectively described elliptical aperture is divided equally.
2. numerical control press elliptical aperture blanking die as claimed in claim 1, is characterized in that, when the camber line sections on two described counterdies engages, the blanking position of described elliptical aperture can cover by described stamping-out hole completely.
3. an elliptical aperture blanking method, is characterized in that, on numerical control press, adopts the numerical control press elliptical aperture blanking die as described in claim 1-2 any one to carry out segmentation stamping-out to elliptical aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206066.6A CN103934358B (en) | 2014-05-15 | 2014-05-15 | Elliptical hole blanking die and method for numerical control punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206066.6A CN103934358B (en) | 2014-05-15 | 2014-05-15 | Elliptical hole blanking die and method for numerical control punch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103934358A CN103934358A (en) | 2014-07-23 |
| CN103934358B true CN103934358B (en) | 2016-02-10 |
Family
ID=51182379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410206066.6A Expired - Fee Related CN103934358B (en) | 2014-05-15 | 2014-05-15 | Elliptical hole blanking die and method for numerical control punch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103934358B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6503199B2 (en) * | 2015-03-06 | 2019-04-17 | Ｊｘ金属株式会社 | Punching method and manufacturing method of press-formed product |
| 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 |
| CN113523091B (en) * | 2021-06-23 | 2022-07-19 | 东风柳州汽车有限公司 | 7-shaped hole machining method |
Citations (2)
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59169631A (en) * | 1983-03-18 | 1984-09-25 | Hitachi Ltd | Forming of assymmetrical stretch flange |
| JPH0773742B2 (en) * | 1989-04-17 | 1995-08-09 | サン・ライズ工業株式会社 | Punch punch |
-
2014
- 2014-05-15 CN CN201410206066.6A patent/CN103934358B/en not_active Expired - Fee Related
Patent Citations (2)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103934358A (en) | 2014-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103934358B (en) | Elliptical hole blanking die and method for numerical control punch | |
| JP2006212680A (en) | Method for forming precoated steel sheet | |
| JP2012217995A (en) | Method of forming insert collar | |
| CN103639651B (en) | Accurate and efficient antenna skin cutting method | |
| CN104801593A (en) | One-time forming die for U-steel pull rod manufacturing | |
| CN204685838U (en) | Double-acting thruster punch mechanism | |
| CN204220792U (en) | A kind of bender | |
| CN104858290A (en) | One-time forming mold for manufacturing channel steel pull rod | |
| CN107552638B (en) | Method for processing plate, method for preparing mobile phone middle frame, mobile phone middle frame and mobile phone | |
| CN105322692A (en) | Motor housing and forming method therefor | |
| CN104907375B (en) | A kind of spiral case plate forming method and mould thereof | |
| CN105290301B (en) | Forging method for multi-directional special-shaped journal | |
| CN106111781A (en) | Channel tie manufactures one-time-shaped mould | |
| CN107225182A (en) | Dimensional piece part processing mold and process forming method | |
| CN105921597A (en) | One-time forming die for manufacturing box iron pull rod | |
| CN105855357A (en) | One-time forming die for manufacturing channel tie | |
| JP5136135B2 (en) | Sheet metal processing method | |
| CN103831593A (en) | Forming method of air-conditioner blower-fan end ring | |
| CN205253832U (en) | Automatic blanking hardware mould | |
| CN205436757U (en) | Steering yoke cut off die | |
| CN210080485U (en) | Large-hole step punching die for numerical control punch | |
| CN204669121U (en) | A kind of motor case | |
| CN103639281A (en) | Flat shock wave after-stretching processing technology | |
| CN204503924U (en) | A kind of one-step punching forming mould for processing pored component | |
| CN204475956U (en) | A kind of new Cone mechanism |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 |