CN107297418B - A kind of Ultrathin copper strip inner cavity quick molding method - Google Patents
A kind of Ultrathin copper strip inner cavity quick molding method Download PDFInfo
- Publication number
- CN107297418B CN107297418B CN201710506563.1A CN201710506563A CN107297418B CN 107297418 B CN107297418 B CN 107297418B CN 201710506563 A CN201710506563 A CN 201710506563A CN 107297418 B CN107297418 B CN 107297418B
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- China
- Prior art keywords
- steel ring
- rubber pad
- copper strips
- inner hole
- copper
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Classifications
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- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
- B21D53/20—Making other particular articles rings, e.g. barrel hoops washers, e.g. for sealing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a kind of Ultrathin copper strip inner cavity quick molding methods, using rubber pad after by pressure at right angle, generate plastic deformation, within the scope of the inner cavity of steel ring, Ultrathin copper strip is driven to be deformed, using the seamed edge and radius R of steel ring top edge, the final purpose for realizing shearing and flange.Operation of the present invention is convenient, guarantees also to improve production efficiency while product quality, reduces die cost investment, meets the production model of small lot, more specifications, improves the performance of enterprises.
Description
Technical field
The present invention relates to metal working technical area, in particular to a kind of Ultrathin copper strip inner cavity quick molding method.
Background technique
Currently, when connecting between flange and flange, having used gasket, these are close in many panzer exhaust systems
Two surfaces are equipped with very thin copper sheet (general thickness 0.15mm) to packing up and down, these copper sheets generally by copper strips by punching and
It is made after flange.In face of miscellaneous scientific research vehicle, such sealing structure pad specification also compare it is more, along with production in batches compared with
Few, difficult by logical shear forming, if making formal mold, production cost investment is too big, and cost performance is too low.
Therefore, it is necessary to design a kind of fast and convenient forming method, to solve the above problems, cost input is reduced, is mentioned
High efficiency.
Summary of the invention
A kind of Ultrathin copper strip inner cavity quick molding method proposed by the present invention, meets the production model of small lot, more specifications,
Guarantee also to improve production efficiency while product quality, reduces cost input.
In order to solve the above-mentioned technical problem, the present invention is using the basic ideas of technical solution: a kind of Ultrathin copper strip inner cavity
Quick molding method, comprising the following steps:
A: punching inner hole:
1) one piece of steel ring, is selected, the cross sectional dimensions of steel ring is identical as the cross sectional dimensions of copper strips to be processed, the thickness of steel ring
Degree is 15-20mm, and the diameter of bore of steel ring is 1mm bigger than the diameter of bore that copper strips needs to process, by steel ring holding in hydraulic press work
Make platform；
2) one piece of rubber pad, is selected, the cross sectional dimensions of rubber pad is 5-10mm bigger than the cross sectional dimensions of copper strips to be processed,
Copper strips overlapping is placed on above steel ring, rubber pad is placed on above copper strips, and steel ring, copper strips and rubber pad coaxial arrangement；
3) rubber pad, rubber pad stress deformation, are pressed by hydraulic press, partial rubber cushion material presses to steel ring inner hole direction,
Copper strips is squeezed by rubber pad and steel ring inner hole upper edge simultaneously, and copper strips is made to form inner cavity identical with steel ring diameter of bore；
B: inside port blockage:
1) another piece of steel ring, is selected, the diameter of bore of steel ring is identical as the intracavity diameter of copper strips to be processed, the inner hole of steel ring
Upper edge fall the fillet of R1.5mm, steel ring with a thickness of 20-25mm, by steel ring holding on hydraulic press operating platform；
2), the copper strips after step 3 processing in A is placed on the steel ring that step 1 in B selects, copper strips is Chong Die with steel ring to be put
It sets, is placed on above copper strips by rubber pad, and steel ring, copper strips and rubber pad coaxial arrangement；
3) rubber pad, rubber pad stress deformation, are pressed by hydraulic press, partial rubber cushion material is pressed against steel ring inner hole side
To, while copper strips is squeezed by rubber pad along steel ring inner hole edge, and copper strips is made to dig flanging, the molding of copper strips embedded SMA actuators.
Further, the contact area of the rubber pad and copper strips is greater than the cross-sectional area of copper strips.
Further, the contact area of the contact surface of rubber pad and hydraulic press setting cushion block, the cushion block and rubber pad is big
In the contact area of rubber pad and copper strips.
The invention has the benefit that a kind of Ultrathin copper strip inner cavity quick molding method of the invention, using rubber pad by
After pressure at right angle, plastic deformation is generated, within the scope of the inner cavity of steel ring, drives Ultrathin copper strip to be deformed, utilizes steel ring top
The seamed edge and radius R of edge, the final purpose for realizing shearing and flange.Operation of the present invention is convenient, guarantees to go back while product quality
Production efficiency is improved, die cost investment is reduced, meets the production model of small lot, more specifications, improve the performance of enterprises.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is structural schematic diagram when being punched inner hole in the embodiment of the present invention before rubber pad stress deformation；
Fig. 2 is structural schematic diagram when being punched inner hole in the embodiment of the present invention in rubber pad stress deformation；
Fig. 3 is structural schematic diagram when being punched inner hole in the embodiment of the present invention after rubber pad stress deformation；
Structural schematic diagram when Fig. 4 is inside port blockage in the embodiment of the present invention before rubber pad stress deformation；
Structural schematic diagram when Fig. 5 is inside port blockage in the embodiment of the present invention in rubber pad stress deformation；
Structural schematic diagram when Fig. 6 is inside port blockage in the embodiment of the present invention after rubber pad stress deformation.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
A kind of Ultrathin copper strip inner cavity quick molding method, comprising the following steps:
A: punching inner hole:
1) one piece of steel ring, is selected, the cross sectional dimensions of steel ring is identical as the cross sectional dimensions of copper strips to be processed, the thickness of steel ring
Degree is 15-20mm, and the diameter of bore of steel ring is 1mm bigger than the diameter of bore that copper strips needs to process, by steel ring holding in hydraulic press work
Make platform；
2) one piece of rubber pad, is selected, the cross sectional dimensions of rubber pad is 5-10mm bigger than the cross sectional dimensions of copper strips to be processed,
Copper strips overlapping is placed on above steel ring, rubber pad is placed on above copper strips, and steel ring, copper strips and rubber pad coaxial arrangement；
3) rubber pad, rubber pad stress deformation, are pressed by hydraulic press, partial rubber cushion material presses to steel ring inner hole direction,
Copper strips is squeezed by rubber pad and steel ring inner hole upper edge simultaneously, and copper strips is made to form inner cavity identical with steel ring diameter of bore；
B: inside port blockage:
1) another piece of steel ring, is selected, the diameter of bore of steel ring is identical as the intracavity diameter of copper strips to be processed, the inner hole of steel ring
Upper edge fall the fillet of R1.5mm, steel ring with a thickness of 20-25mm, by steel ring holding on hydraulic press operating platform；
2), the copper strips after step 3 processing in A is placed on the steel ring that step 1 in B selects, copper strips is Chong Die with steel ring to be put
It sets, is placed on above copper strips by rubber pad, and steel ring, copper strips and rubber pad coaxial arrangement；
3) rubber pad, rubber pad stress deformation, are pressed by hydraulic press, partial rubber cushion material is pressed against steel ring inner hole side
To, while copper strips is squeezed by rubber pad along steel ring inner hole edge, and copper strips is made to dig flanging, the molding of copper strips embedded SMA actuators.
In practical operation, concrete operations when being punched inner hole are as follows: steel ring outer dimension as shown in Figure 1 is generally equivalent to copper strips shape
Size, after guaranteeing that copper strips shape and steel ring shape are overlapped, the center of center and steel band is also overlapped, and facilitates copper strips on steel ring
Positioning；The outer dimension of rubber pad is not less than the outer dimension of copper strips, to guarantee that copper strips shape in loading process is not damaged
And deformation.When hydraulic press and rubber pad contact, forced contact face should be not less than the outer dimension of copper strips, otherwise can be in rubber mat and oil
Increase big cushion block between press contact surface, guarantees that copper strips is smooth in loading process.Steel ring top edge seamed edge must not have root face
Or fillet etc..
As shown in Figure 2 due to rubber pad stress deformation, so that the middle section material of rubber pad is pressed against at steel ring inner cavity,
The middle section material of copper strips is driven to be extruded at the same time.
Copper strips as shown in Figure 3 is under the extruding of rubber pad and the shearing of steel ring inner hole top edge rib, material fracture, inner hole at
Type.
Concrete operations when inside port blockage are as follows:
Steel ring outer dimension as shown in Figure 4 is equal to copper strips outer dimension, after guaranteeing that copper strips shape and steel ring shape are overlapped,
Center and the center of steel band are also overlapped, and facilitate positioning of the copper strips on steel ring；The outer dimension of rubber pad is outer not less than copper strips
Shape size, to guarantee that copper strips shape in loading process is not damaged and deforms.When hydraulic press and rubber pad contact, forced contact
Face should be not less than the outer dimension of copper strips, otherwise can increase big cushion block between rubber mat and hydraulic press contact surface, guarantee that copper strips exists
It is smooth in loading process.Steel ring top edge seamed edge need to fall the fillet of R1.5mm.
After rubber pad stress as shown in Figure 5, plastic deformation is generated, some materials are flowed to steel ring inner cavity, so that in copper strips
Center portion point is along inwardly rollover at the edge radius R1.5 of steel ring top edge.
Rubber pad as shown in Figure 6 drives copper strips to deform to steel ring inside cavities, and copper strips is finally made to generate flange, in completion
The movement of chamber flange.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (2)
1. a kind of Ultrathin copper strip inner cavity quick molding method, it is characterised in that: the following steps are included:
A: punching inner hole:
1), select one piece of steel ring, the cross sectional dimensions of steel ring is identical as the cross sectional dimensions of copper strips to be processed, steel ring with a thickness of
The diameter of bore of 15-20mm, steel ring are 1mm bigger than the diameter of bore that copper strips needs to process, by steel ring holding in hydraulic press operating platform；
2) one piece of rubber pad, is selected, the cross sectional dimensions of rubber pad is 5-10mm bigger than the cross sectional dimensions of copper strips to be processed, by copper
Band overlapping is placed on above steel ring, and rubber pad is placed on above copper strips, and steel ring, copper strips and rubber pad coaxial arrangement；
3) rubber pad, rubber pad stress deformation, are pressed by hydraulic press, partial rubber cushion material presses to steel ring inner hole direction, simultaneously
Copper strips is squeezed by rubber pad and steel ring inner hole upper edge, and copper strips is made to form inner cavity identical with steel ring diameter of bore；
B: inside port blockage:
1), select another piece of steel ring, the diameter of bore of steel ring is identical as the intracavity diameter of copper strips to be processed, the inner hole of steel ring it is upper
Fall the fillet of R1.5mm at edge, steel ring with a thickness of 20-25mm, by steel ring holding on hydraulic press operating platform；
2), by A: the copper strips in punching inner hole after step 3) processing is placed on B: on the steel ring that step 1) selects in inside port blockage,
Copper strips is Chong Die with steel ring to be placed, then rubber pad is placed on above copper strips, and steel ring, copper strips and rubber pad coaxial arrangement；
3) rubber pad, rubber pad stress deformation, are pressed by hydraulic press, partial rubber cushion material is pressed against steel ring inner hole direction, together
When copper strips squeezed by rubber pad along steel ring inner hole edge, so that copper strips is dug flanging, the molding of copper strips embedded SMA actuators.
2. a kind of Ultrathin copper strip inner cavity quick molding method according to claim 1, it is characterised in that: rubber pad and oil pressure
The contact area of the contact surface setting cushion block of machine, the cushion block and rubber pad is greater than the contact area of rubber pad and copper strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710506563.1A CN107297418B (en) | 2017-06-28 | 2017-06-28 | A kind of Ultrathin copper strip inner cavity quick molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710506563.1A CN107297418B (en) | 2017-06-28 | 2017-06-28 | A kind of Ultrathin copper strip inner cavity quick molding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107297418A CN107297418A (en) | 2017-10-27 |
| CN107297418B true CN107297418B (en) | 2019-04-12 |
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|---|---|---|---|
| CN201710506563.1A Active CN107297418B (en) | 2017-06-28 | 2017-06-28 | A kind of Ultrathin copper strip inner cavity quick molding method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002336914A (en) * | 2001-05-15 | 2002-11-26 | Abo Packing Seisakusho:Kk | Method for forming tubular body retaining part to deep drawing member |
| CN102120240A (en) * | 2010-11-29 | 2011-07-13 | 厦门金龙汽车车身有限公司 | Method for quickly making molded surface of metal plate |
| CN202062002U (en) * | 2011-04-30 | 2011-12-07 | 雷应林 | Rubber reverse bending die |
| CN202062464U (en) * | 2011-04-30 | 2011-12-07 | 雷应林 | Flip-over type rubber blanking die |
| CN203221550U (en) * | 2013-03-29 | 2013-10-02 | 滁州市精华模具制造有限公司 | Cutting die structure of polyurethane rubber thin plate |
| CN203830502U (en) * | 2014-04-26 | 2014-09-17 | 广州广冷华旭制冷空调实业有限公司 | Economical tool for shallow drawing of metal sheet |
-
2017
- 2017-06-28 CN CN201710506563.1A patent/CN107297418B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002336914A (en) * | 2001-05-15 | 2002-11-26 | Abo Packing Seisakusho:Kk | Method for forming tubular body retaining part to deep drawing member |
| CN102120240A (en) * | 2010-11-29 | 2011-07-13 | 厦门金龙汽车车身有限公司 | Method for quickly making molded surface of metal plate |
| CN202062002U (en) * | 2011-04-30 | 2011-12-07 | 雷应林 | Rubber reverse bending die |
| CN202062464U (en) * | 2011-04-30 | 2011-12-07 | 雷应林 | Flip-over type rubber blanking die |
| CN203221550U (en) * | 2013-03-29 | 2013-10-02 | 滁州市精华模具制造有限公司 | Cutting die structure of polyurethane rubber thin plate |
| CN203830502U (en) * | 2014-04-26 | 2014-09-17 | 广州广冷华旭制冷空调实业有限公司 | Economical tool for shallow drawing of metal sheet |
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| Publication number | Publication date |
|---|---|
| CN107297418A (en) | 2017-10-27 |
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