CN107252841A - A kind of heating process for stamping of machining high-precision convex portion - Google Patents
A kind of heating process for stamping of machining high-precision convex portion Download PDFInfo
- Publication number
- CN107252841A CN107252841A CN201710526966.2A CN201710526966A CN107252841A CN 107252841 A CN107252841 A CN 107252841A CN 201710526966 A CN201710526966 A CN 201710526966A CN 107252841 A CN107252841 A CN 107252841A
- Authority
- CN
- China
- Prior art keywords
- convex portion
- stamping
- punching press
- stamping die
- precision
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a kind of heating process for stamping of machining high-precision convex portion, comprise the following steps：A, plate are placed on accessory, and the first stamping die presses to contact plate upper surface, stops the first setting time；Accessory and the first stamping die heating plate；B, the first stamping die punching press plate, stop the second setting time during to accessory bottom, complete first time punching press and heating, obtain the first semi-finished product；C, the second stamping die are pushed until the telescopic end of the second stamping die is compressed, and the 3rd setting time of stop, accessory and the second stamping die heat the first semi-finished product；D, second the first semi-finished product of punching press die stamping, to the 4th setting time is stopped during extreme position, complete second of punching press and heating, obtain the second semi-finished product.By heating mould and workpiece so that workpiece is easier to be stamped, stretched, and passes through punching press postforming twice, it is ensured that precision.
Description
Technical field
The present invention relates to sheet metal component processing technique field, more particularly to a kind of heating punching press side of machining high-precision convex portion
Method.
Background technology
Metal plate has that lightweight, intensity is high, conduction（It can be used in electromagnetic shielding）, cost is low, scale of mass production performance is good
The features such as, it is widely applied in fields such as electronic apparatus, communication, auto industry, medicine equipments.
At present in the processing of metal plate, flat die can reach high required precision, but for direct punching press
Convex portion, can not also ensure its high accuracy.
The content of the invention
The purpose of invention：The present invention disclose a kind of heating process for stamping of machining high-precision convex portion, by heat mould with
Workpiece causes workpiece to be easier to be stamped, stretch, and passes through punching press postforming twice, it is ensured that precision；To work in punching course
Part keeps heating with compressing, and workpiece is not likely to produce deformation, can meet high-precision requirement.
Technical scheme：In order to realize the above object the invention discloses a kind of heating punching press side of machining high-precision convex portion
Method, comprises the following steps：
A, plate are placed on accessory, and the first stamping die presses to contact plate upper surface, stops the first setting time；Accessory and
One stamping die with the contact surface of plate by heating plate；
B, the first stamping die punching press plate, stop the second setting time during to accessory bottom, complete first time punching press and heating, obtain
Obtain the first semi-finished product；
C, the second stamping die press to the first semi-finished product of contact, continue to push, until the telescopic end of the second stamping die is pressed
Contracting；Second stamping die stops the 3rd setting time, accessory and the second stamping die by with the contact surface of the first semi-finished product heating the
One semi-finished product；
D, second the first semi-finished product of punching press die stamping, to during extreme position stop the 4th setting time, complete second of punching press with
Heating, obtains the second semi-finished product.
Further, the heating process for stamping of above-mentioned a kind of machining high-precision convex portion, it is described into first time punching press and second
Secondary punching press is completed in same station.
Further, a kind of heating process for stamping of above-mentioned machining high-precision convex portion, the first time is stamped and formed out workpiece
The convex portion top surface and convex portion inclined-plane of convex portion.
Further, the heating process for stamping of above-mentioned a kind of machining high-precision convex portion, the secondary finishing of second of punching press
Convex portion top surface and convex portion inclined-plane, and form the convex portion bottom surface of workpiece convex portion.
Further, the heating process for stamping of above-mentioned a kind of machining high-precision convex portion, the convex portion top surface and convex portion inclined-plane
Between be provided with fillet, between the convex portion inclined-plane and convex portion bottom surface be provided with fillet.
Further, a kind of heating process for stamping of above-mentioned machining high-precision convex portion, second stamping die is telescopic
End includes briquetting and elastic component, and the briquetting is connected by elastic component with the second stamping die.
Further, the heating process for stamping of above-mentioned a kind of machining high-precision convex portion, the first stamping die, the second stamping die and
Accessory is designed with heater.
Above-mentioned technical proposal can be seen that the present invention and have the advantages that：
（1）The heating process for stamping of a kind of machining high-precision convex portion of the present invention, by heating mould and workpiece so that work
Part is easier to be stamped, stretched, and passes through punching press postforming twice, it is ensured that precision.
（2）Workpiece is kept in a kind of heating process for stamping of machining high-precision convex portion of the present invention, punching course
Heating makes workpiece be not likely to produce deformation, can meet high-precision requirement with compressing.
（3）A kind of heating process for stamping of machining high-precision convex portion of the present invention, accessory of being fitted after workpiece punching press is protected
The high-precision requirement of workpiece convex portion is demonstrate,proved.
（4）The heating process for stamping of a kind of machining high-precision convex portion of the present invention, first by briquetting pressure during two times punch
Clamping of workpieces, workpiece will not be moved, it is ensured that punching precision；Heating is compressed simultaneously so that workpiece is unlikely to deform.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the first time punching press of the heating process for stamping of machining high-precision convex portion of the present invention；
Signal when Fig. 2 starts for a kind of second of punching press of the heating process for stamping of machining high-precision convex portion of the present invention
Figure；
Fig. 3 is the signal at the end of a kind of second of punching press of the heating process for stamping of machining high-precision convex portion of the present invention
Figure；
Fig. 4 is the structural representation of workpiece convex portion of the present invention；
In figure：The stamping dies of 1- first, the stamping dies of 2- second, 21- briquettings, 22- elastic components, 3- accessories, 4- workpiece convex portion, 41- is convex
Portion's top surface, 42- convex portions inclined-plane, 43- convex portions bottom surface, 5- heaters, 6- heat-conducting layers.
Embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the invention is described in detail.
Embodiment
The invention discloses a kind of heating process for stamping of machining high-precision convex portion, as shown in Figures 1 to 4, including it is following
Step：
A, plate are placed on accessory 3, and the first stamping die 1 presses to contact plate upper surface, stops the first setting time；Accessory 3
With the first stamping die 1 by heating plate with the contact surface of plate；
B, the punching press plate of the first stamping die 1, stop the second setting time during to 3 bottom of accessory, complete first time punching press and heating,
Obtain the first semi-finished product；
C, the second stamping die 2 press to the first semi-finished product of contact, continue to push, until the telescopic end quilt of the second stamping die 2
Compression；Second stamping die 2 stops the 3rd setting time, and the stamping die 2 of accessory 3 and second is added by the contact surface with the first semi-finished product
Hot first semi-finished product；
D, the first semi-finished product of punching press of the second stamping die 2, to during extreme position stop the 4th setting time, complete second of punching press with
Heating, obtains the second semi-finished product.
Completed described in the present embodiment into first time punching press and second of punching press in same station.
The convex portion top surface 41 and convex portion inclined-plane 42 of workpiece convex portion 4 are stamped and formed out described in the present embodiment for the first time.
The secondary finishing convex portion top surface 41 of second of punching press described in the present embodiment and convex portion inclined-plane 42, and form workpiece convex portion
4 convex portion bottom surface 43.
Fillet, the convex portion inclined-plane 42 and convex portion are provided between convex portion top surface described in the present embodiment 41 and convex portion inclined-plane 42
Fillet is provided between bottom surface 43.
The telescopic end of second stamping die 2 described in the present embodiment includes briquetting 21 and elastic component 22, the briquetting 21
It is connected by elastic component 22 with the second stamping die 2.
The first stamping die 1, the second stamping die 2 and accessory 3 are designed with heater 5 in the present embodiment.
Described above is only the preferred embodiment of the present invention, it should be noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvement can also be made, these improvement also should be regarded as the guarantor of the present invention
Protect scope.
Claims (7)
1. a kind of heating process for stamping of machining high-precision convex portion, it is characterised in that：Comprise the following steps：
A, plate are placed in accessory（3）On, the first stamping die（1）Contact plate upper surface is pressed to, the first setting time is stopped；It is auxiliary
Tool（3）With the first stamping die（1）By heating plate with the contact surface of plate；
B, the first stamping die（1）Punching press plate, to accessory（3）Stop the second setting time during bottom, complete first time punching press with
Heating, obtains the first semi-finished product；
C, the second stamping die（2）The first semi-finished product of contact are pressed to, continue to push, until the second stamping die（2）Telescopic end
Portion is compressed；Second stamping die（2）Stop the 3rd setting time, accessory（3）With the second stamping die（2）By with the first semi-finished product
Contact surface heat the first semi-finished product；
D, the second stamping die（2）The semi-finished product of punching press first, to the 4th setting time is stopped during extreme position, complete second of punching press
With heating, the second semi-finished product are obtained.
2. the heating process for stamping of a kind of machining high-precision convex portion according to claim 1, it is characterised in that described into
Punching press and second of punching press are completed in same station.
3. the heating process for stamping of a kind of machining high-precision convex portion according to claim 1, it is characterised in that described first
It is secondary to be stamped and formed out workpiece convex portion（4）Convex portion top surface（41）With convex portion inclined-plane（42）.
4. the heating process for stamping of a kind of machining high-precision convex portion according to claim 1, it is characterised in that described second
The secondary secondary finishing convex portion top surface of punching press（41）With convex portion inclined-plane（42）, and form workpiece convex portion（4）Convex portion bottom surface（43）.
5. a kind of heating process for stamping of machining high-precision convex portion according to claim 4, it is characterised in that the convex portion
Top surface（41）With convex portion inclined-plane（42）Between be provided with fillet, the convex portion inclined-plane（42）With convex portion bottom surface（43）Between provided with circle
Angle.
6. the heating process for stamping of a kind of machining high-precision convex portion according to claim 1, it is characterised in that described second
Stamping die（2）Telescopic end includes briquetting（21）And elastic component（22）, the briquetting（21）Pass through elastic component（22）With
Two stamping dies（2）Connection.
7. a kind of heating process for stamping of machining high-precision convex portion according to claim 1, it is characterised in that the first punching press
Mould（1）, the second stamping die（2）And accessory（3）It is designed with heater（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526966.2A CN107252841B (en) | 2017-06-30 | 2017-06-30 | A kind of heating process for stamping of machining high-precision protrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526966.2A CN107252841B (en) | 2017-06-30 | 2017-06-30 | A kind of heating process for stamping of machining high-precision protrusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107252841A true CN107252841A (en) | 2017-10-17 |
| CN107252841B CN107252841B (en) | 2019-04-26 |
Family
ID=60024745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710526966.2A Active CN107252841B (en) | 2017-06-30 | 2017-06-30 | A kind of heating process for stamping of machining high-precision protrusion |
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| Country | Link |
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| CN (1) | CN107252841B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947853A (en) * | 2019-10-16 | 2020-04-03 | 马春江 | High-precision convex part machining method based on heating stamping |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736628A (en) * | 2000-10-30 | 2006-02-22 | 高松勉 | Deep punch method |
| CN201098711Y (en) * | 2007-08-28 | 2008-08-13 | 汉达精密电子(昆山)有限公司 | Sheet metal punching device |
| WO2014068494A1 (en) * | 2012-10-31 | 2014-05-08 | Aisin Takaoka Co., Ltd. | Die-quenching apparatus and method of an aluminum alloy material |
| KR20150051014A (en) * | 2013-11-01 | 2015-05-11 | 주식회사 포스코 | Apparatus for warm press and method having the same |
| CN105880385A (en) * | 2016-05-09 | 2016-08-24 | 上海交通大学 | Hot-stamping die and hot-stamping machining method |
| DE102015207928A1 (en) * | 2015-04-29 | 2016-11-03 | Volkswagen Aktiengesellschaft | Method and tool for producing press-hardened shaped sheet metal parts with different strength ranges by pre-embossing of the sheet metal material |
| CN106378374A (en) * | 2016-12-14 | 2017-02-08 | 王晓芳 | Punching technology for steel panel |
| CN106424282A (en) * | 2016-12-14 | 2017-02-22 | 王晓芳 | Steel plate punching process utilizing gradient temperature difference based punch forming |
-
2017
- 2017-06-30 CN CN201710526966.2A patent/CN107252841B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736628A (en) * | 2000-10-30 | 2006-02-22 | 高松勉 | Deep punch method |
| CN201098711Y (en) * | 2007-08-28 | 2008-08-13 | 汉达精密电子(昆山)有限公司 | Sheet metal punching device |
| WO2014068494A1 (en) * | 2012-10-31 | 2014-05-08 | Aisin Takaoka Co., Ltd. | Die-quenching apparatus and method of an aluminum alloy material |
| KR20150051014A (en) * | 2013-11-01 | 2015-05-11 | 주식회사 포스코 | Apparatus for warm press and method having the same |
| DE102015207928A1 (en) * | 2015-04-29 | 2016-11-03 | Volkswagen Aktiengesellschaft | Method and tool for producing press-hardened shaped sheet metal parts with different strength ranges by pre-embossing of the sheet metal material |
| CN105880385A (en) * | 2016-05-09 | 2016-08-24 | 上海交通大学 | Hot-stamping die and hot-stamping machining method |
| CN106378374A (en) * | 2016-12-14 | 2017-02-08 | 王晓芳 | Punching technology for steel panel |
| CN106424282A (en) * | 2016-12-14 | 2017-02-22 | 王晓芳 | Steel plate punching process utilizing gradient temperature difference based punch forming |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947853A (en) * | 2019-10-16 | 2020-04-03 | 马春江 | High-precision convex part machining method based on heating stamping |
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| Publication number | Publication date |
|---|---|
| CN107252841B (en) | 2019-04-26 |
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