CN103746208B - Contact flat spring and method for high-precision manufacturing thereof - Google Patents
Contact flat spring and method for high-precision manufacturing thereof Download PDFInfo
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- CN103746208B CN103746208B CN201410009061.4A CN201410009061A CN103746208B CN 103746208 B CN103746208 B CN 103746208B CN 201410009061 A CN201410009061 A CN 201410009061A CN 103746208 B CN103746208 B CN 103746208B
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Abstract
The invention provides a kind of contact flat spring and method for high-precision manufacturing thereof.The manufacturing process adjusted after it solving existing first molding cannot make product reach high-precision and require problem.This contact flat spring includes the material strip in strip of sheet, and material strip arranges some set products continuously, if every set product is along longitudinal arrangement dryed product monomer, offers the anti-deformation edge of a knife between every set product, and the dual-side of material strip uniformly offers hole, some location.Its method for high-precision manufacturing includes the production stage of tensile foldable technique: 1), print word film mark；2), hole, punching press location；3) the anti-deformation edge of a knife, is gone out；4), product shape cutting；5), formed product punching press: first stretching pre-folds engineering, reshaping engineering；6), detection shaped article.Manufacturing process of the present invention changes to first stretch pre-fold and aftershaping, by tolerance+/ 0.03mm be promoted to+/ 0.01mm within, be obviously improved the high accuracy rank of contact flat spring final finished.
Description
Technical field
The invention belongs to electronic component processing technique field, relate to a kind of contact flat spring product and its production method, particularly
A kind of contact flat spring and method for high-precision manufacturing thereof.
Background technology
Along with the technology the most increasingly technicalization in terms of the fast development of Chinese society economy with science and technology, electronic product, first evolve,
People are more likely to multi-functional, performance is concentrated and carries demand direction easily.Thus the body development trend of electronic product is
More and more less, increasingly precise treatment and integrated.Therefore its each important electronic component internal is also towards thin, little, light, with
Shi Yaoqiu develops in high-precision direction.
In order to tackle the mass-produced demand of contact flat spring product, i.e. Design of Dies uses one to rush more than one piece form；The most also require to connect
The bump height tolerance touching shell fragment product is promoted to the precision grade of +/-0.01mm by script +/-0.03mm.Produce in industry at present
About this series products of contact flat spring, its molding mode is first bending and molding, is adjusted reaching to produce with adjustment engineering the most again
The dimensional requirement of product.But in actual job experience, existing manufacturing process mode is from bending and molding to Adjustment precision, it is achieved contact
The size management and control of shell fragment product has been quite to be difficult in the precision grade of +/-0.03mm, and for one rush more than one piece form and management and control in
Within the precision grade of +/-0.01mm, this requirement just cannot realize at all.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of in contact flat spring production program,
Use tensile foldable technique, and the technological means of the every production routine of appropriate design, make finished product reach the contact of highly precisely rank
Shell fragment and method for high-precision manufacturing thereof.
The purpose of the present invention can be realized by following technical proposal: the method for high-precision manufacturing of contact flat spring, including following employing
The production stage of tensile foldable technique:
1), on each finished product precalculated position, word film mark is printed；
2), punching press location hole, then in operation location hole in wear positioning needle；
3), on material strip, the anti-deformation edge of a knife is gone out；
4), product shape cutting；
5), formed product punching press:
A, first punching press are symmetrically positioned at the product of avris position, and this punching press program at least has stretching and pre-folds engineering and molding engineering；
B, again punching press are symmetrically positioned at the product of medium position, and this punching press program at least has stretching and pre-folds engineering and molding engineering；
6), detection shaped article: use 100x microscope that shaped article is carried out every dimensional measurement.
In the method for high-precision manufacturing of this contact flat spring, it is desirable to be produced as one and rush more than one piece design, and the bump height of product requires public affairs
Difference is +/-0.01mm.In first step, the product monomer often organized prints different word film mark, in order to follow-up repair a die or follow the trail of
Easily differentiate during problem points.In second step, after the step of hole, punching press location, the positioning needle being positioned on stripper plate immediately penetrates fixed
Hole, position, the most really position forming follow-up feed program and every processor ensures.In third step, tensile foldable operation it
Before, first on material strip, go out an anti-deformation edge of a knife, in order to avoid stress is pullled and caused material strip deformation to give birth to when tensile foldable
The problem produced.In 4th step, use and multiple cut type cutter head synchronous cutting, to make the multiple product monomers often organized.5th step
In Zhou, need to the most suitably be divided into multistep operation according to it and complete during bump height molding, the size thus making product is unified stable, with
Time be obviously improved service life of product；And need to consider during molding that various location material strip intensity is different, therefore when molding stress
Relatively the most also can difference, the avris position product that therefore stress is close is carried out in same engineering, and medium position product is in another work
Cheng Jinhang, thus controls the precision of each product monomer within +/-0.01mm.In the 6th step, use relative to 50x
The 100x microscope of microscope higher precision carries out the accurate detection of size, and to avoid, the size caused because of measurement error is bad asks
Topic.
In the method for high-precision manufacturing of above-mentioned contact flat spring, material strip support supports on son in print number in the first step, logical
Cross and withhold marking and enter son on material strip, form the word film mark of recessed material face.Print the word film mark first step as beginning,
It is in order to avoid producing, when printing word film mark, the material phenomenon that rises, and then has influence on the overall dimensions of product monomer.
In the method for high-precision manufacturing of above-mentioned contact flat spring, material strip support supports on son in punching in the second step, logical
Cross down pressure pierce punch at the location of material strip, go out hole, location.
In the method for high-precision manufacturing of above-mentioned contact flat spring, in third step, material strip support is led position in shearing and is entered on son, logical
Cross compressive-shear to cut drift on material strip, go out the anti-deformation edge of a knife.
In the method for high-precision manufacturing of above-mentioned contact flat spring, in the 4th step, material strip support is led position in the type of cutting and is entered on son, logical
Cross down pressure to cut type cutter head on material strip, cut out the external form of product.
In the method for high-precision manufacturing of above-mentioned contact flat spring, in the 5th step, material strip elder generation support is led position and is entered on son in pre-folding,
Pre-fold punching pin by pressure down to stretch on material strip and pre-fold out bending salient point；Make material strip support lead position in molding again and enter on son, by under
Molded punching pin is at material strip upper punch extrusion molding salient point.The bending bump height formed in engineering is pre-folded less than in molding work in stretching
The molding bump height formed in journey, thus stretching pre-folds engineering and plays the effect of prestretched unloading stress, through repeatedly segmentation work
The processing of journey, could realize one and rush more than one piece and tolerance is positioned at the high-precision requirement within +/-0.01mm.
A kind of contact flat spring, including the material strip in strip of sheet, described material strip arranges some set products continuously, and every set product is along vertical
If to arrangement dryed product monomer, offering the anti-deformation edge of a knife between described every set product, the dual-side of described material strip is uniformly offered some
Hole, location.
In this contact flat spring, often group is that parallel columns sets totally four product monomers, is the most from top to bottom arranged in order the word film note of to four
Number, thus product monomer one and product monomer four are positioned at upper and lower both sides side position, and product monomer two and product monomer three are positioned at middle part
Position.The anti-deformation edge of a knife is strip, and it is vertically arranged between adjacent sets product.Respectively offer outside the two ends of the anti-deformation edge of a knife
There is hole, location, and hole, location, both sides is symmetrical.
In above-mentioned contact flat spring, on described product monomer, print sets word film mark.
In above-mentioned contact flat spring, described material strip is rustless steel lamellar body.
Compared with prior art, this contact flat spring and method for high-precision manufacturing thereof, for the precision improvement demand of contact flat spring, are abandoned
The manufacturing process that in tradition, first molding adjusts again, change is adjusted to first stretching and pre-folds and aftershaping, tolerance +/-0.03mm promotes
Within +/-0.01mm, successfully overcome the technical barrier being difficult to break through, be obviously improved the high-precision of contact flat spring final finished
Degree rank, becomes the outstanding person in the same industry becomes product technology.
Accompanying drawing explanation
Fig. 1 is the structural representation of this contact flat spring.
In figure, 1, material strip；2, hole, location；3, the anti-deformation edge of a knife；4, product monomer.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described, but this
Bright it is not limited to these embodiments.
As it is shown in figure 1, this contact flat spring includes the material strip 1 in strip of sheet, this material strip 1 is specially rustless steel lamellar body.Material strip 1
On some set products are set continuously, often group is that parallel columns sets totally four product monomers 4.On product monomer 4, print sets word film mark,
The most from top to bottom being arranged in order the word film mark of to four, thus product monomer 4 one and product monomer 4 four are positioned at upper and lower two avris
Position, product monomer 4 two and product monomer 4 three are positioned at medium position.Offering the anti-deformation edge of a knife 3 between every set product, this is prevented
The deformation edge of a knife 3, in strip, is specifically arranged between adjacent sets product in vertical shape.Respectively open outside the two ends of the anti-deformation edge of a knife 3
It is provided with hole 2, location, and hole 2, location, both sides is symmetrical.
The method for high-precision manufacturing of contact flat spring includes the production stage of following employing tensile foldable technique:
1), on each finished product precalculated position, word film mark is printed；
Material strip 1 support number supports on son in print in the first step, enters son form recessed material on material strip 1 by withholding marking
The word film mark of charge level.Print the word film mark first step as beginning, be to rise in order to avoid producing when printing word film mark
Material phenomenon, and then have influence on the overall dimensions of product monomer 4.
In first step, the product monomer 4 often organized prints different word film mark, in order to follow-up repair a die or during tracing problem point
Easily differentiate.
2), punching press location hole 2, then in operation location hole 2 in wear positioning needle；
Material strip 1 support supports on son in punching in the second step, by pressing down pierce punch to go out at the location of material strip 1
Hole 2, location.
In second step, after the step of hole 2, punching press location, the positioning needle being positioned on stripper plate immediately penetrates hole 2, location, shape
The most really position becoming follow-up feed program and every processor ensures.
3), on material strip 1, the anti-deformation edge of a knife 3 is gone out；
In third step, material strip 1 support is led position in shearing and is entered on son, cuts drift by compressive-shear and goes out anti-deformation on material strip 1
The edge of a knife 3.
In third step, before tensile foldable operation, first on material strip 1, go out an anti-deformation edge of a knife 3, in order to avoid in stretching
During bending, stress pulls the problem causing material strip 1 to deform and cannot produce.
4), product shape cutting；
In the 4th step, material strip 1 support is led position in the type of cutting and is entered on son, cuts type cutter head by pressure down and cuts out product on material strip 1
External form.
In 4th step, use and multiple cut type cutter head synchronous cutting, to make the multiple product monomers 4 often organized.
5), formed product punching press:
A, first punching press are symmetrically positioned at the product of avris position, and this punching press program at least has stretching and pre-folds engineering and molding engineering；
B, again punching press are symmetrically positioned at the product of medium position, and this punching press program at least has stretching and pre-folds engineering and molding engineering；
In the 5th step, the first support of material strip 1 is led position and is entered on son in pre-folding, and pre-folds punching pin by pressure down and stretches on material strip 1 and pre-fold
Go out to bend salient point；Make material strip 1 support lead position in molding again and enter on son, by down-pressing forming punching pin at material strip 1 upper punch extrusion molding
Salient point.Pre-fold, in stretching, the bending bump height formed in engineering and be less than the molding bump height formed in molding engineering, thus
Stretching pre-fold engineering play prestretched unloading stress effect, through the processing of repeatedly segmentation engineering, could realize one rush more than one piece and
Tolerance is positioned at the high-precision requirement within +/-0.01mm.
In 5th step, need to the most suitably be divided into multistep operation according to it during bump height molding and complete, thus make the size of product unite
One is stable, is obviously improved the service life of product simultaneously；And during molding, need to consider that various location material strip 1 intensity is different, therefore
When molding stress the most also can difference, the avris position product that therefore stress is close is carried out in same engineering, medium position
Product is carried out in another engineering, thus controls the precision of each product monomer 4 within +/-0.01mm.
6), detection shaped article: use 100x microscope that shaped article is carried out every dimensional measurement.
In the 6th step, use the accurate detection carrying out size relative to the 100x microscope of 50x microscope higher precision, with
Avoid the bad problem of size caused because of measurement error.
In the method for high-precision manufacturing of this contact flat spring, it is desirable to be produced as one and rush more than one piece design, and the bump height of product requires public affairs
Difference is +/-0.01mm.Pre-fold and aftershaping by manufacturing process's change is adjusted to first stretching, and coordinate the some preparations before molding
Operation, successfully overcomes the technical barrier being difficult to break through, it is achieved within being promoted to +/-0.01mm by tolerance +/-0.03mm, significantly
Improve the high accuracy rank of contact flat spring final finished.
Specific embodiment described herein is only to present invention spirit explanation for example.The skill of the technical field of the invention
Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by art personnel, but not
The spirit of the present invention can be deviateed or surmount scope defined in appended claims.
Although the most more employing material strip 1；Hole 2, location；The anti-deformation edge of a knife 3；Product monomer 4 term such as grade, but do not arrange
Except the probability using other term.Use these terms to be only used to more easily to describe and explain the essence of the present invention；?
They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (1)
1. the method for high-precision manufacturing of contact flat spring, it is characterised in that include the production stage of following employing tensile foldable technique:
1), on each finished product precalculated position, word film mark is printed；
2), punching press location hole, then in operation location hole in wear positioning needle；
3), on material strip, the anti-deformation edge of a knife is gone out；
4), product shape cutting；
5), formed product punching press:
A, first punching press are symmetrically positioned at the product of avris position, and this punching press program at least has stretching and pre-folds engineering and molding engineering；
B, again punching press are symmetrically positioned at the product of medium position, and this punching press program at least has stretching and pre-folds engineering and molding engineering；
6), detection shaped article: use 100x microscope that shaped article is carried out every dimensional measurement；
In the 5th step, material strip elder generation support is led position and is entered on son in pre-folding, by pressure down pre-fold punching pin stretch on material strip pre-fold out curved
Folding salient point；Make material strip support lead position in molding again and enter on son, by down-pressing forming punching pin at material strip upper punch extrusion molding salient point；
Material strip support number supports on son in print in the first step, enters son form recessed material face on material strip by withholding marking
Word film mark；Material strip support supports on son in punching in the second step, by pressing pierce punch at the location of material strip down
Go out hole, location；In third step, material strip support is led position in shearing and is entered on son, cuts drift by compressive-shear and goes out anti-on material strip
The deformation edge of a knife；In the 4th step, material strip support is led position in the type of cutting and is entered on son, cuts type cutter head by pressure down and cuts on material strip and produce
The external form of product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410009061.4A CN103746208B (en) | 2014-01-09 | 2014-01-09 | Contact flat spring and method for high-precision manufacturing thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410009061.4A CN103746208B (en) | 2014-01-09 | 2014-01-09 | Contact flat spring and method for high-precision manufacturing thereof |
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| CN103746208A CN103746208A (en) | 2014-04-23 |
| CN103746208B true CN103746208B (en) | 2017-01-04 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732507B (en) * | 2017-09-22 | 2020-09-08 | 实盈电子(东莞)有限公司 | Battery connector |
| CN111817100A (en) * | 2019-07-15 | 2020-10-23 | 俞国锋 | Elastic sheet preparation device for elastic sheet type wire pressing frame |
| CN113021866B (en) * | 2021-03-19 | 2022-04-29 | 湖南工程学院 | Portable multi-functional electric complete sets processingequipment |
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| CN1379509A (en) * | 2001-04-04 | 2002-11-13 | 广濑电机株式会社 | Terminal used on electric connector and terminal member having carrier |
| CN101091973A (en) * | 2006-06-20 | 2007-12-26 | 增城市兴禾旺塑胶五金电子厂 | Punching method, and punching installation of using the method |
| CN101138777A (en) * | 2007-09-24 | 2008-03-12 | 青岛征和工业有限公司 | Accurate part finish blanking method and blanking mold thereof |
| CN103311776A (en) * | 2013-05-28 | 2013-09-18 | 番禺得意精密电子工业有限公司 | Manufacturing method of terminal of electric connector, and terminal of electric connector |
| CN103474859A (en) * | 2013-09-02 | 2013-12-25 | 信源电子制品(昆山)有限公司 | Terminal manufacturing method as well as manufacturing method of terminals and cores of electronic parts and components |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003272796A (en) * | 2002-03-07 | 2003-09-26 | Hon Hai Precision Industry Co Ltd | Electric connector terminal |
| JP2006049101A (en) * | 2004-08-05 | 2006-02-16 | Molex Japan Co Ltd | Sheet-shaped connector and its manufacturing method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1379509A (en) * | 2001-04-04 | 2002-11-13 | 广濑电机株式会社 | Terminal used on electric connector and terminal member having carrier |
| CN101091973A (en) * | 2006-06-20 | 2007-12-26 | 增城市兴禾旺塑胶五金电子厂 | Punching method, and punching installation of using the method |
| CN101138777A (en) * | 2007-09-24 | 2008-03-12 | 青岛征和工业有限公司 | Accurate part finish blanking method and blanking mold thereof |
| CN103311776A (en) * | 2013-05-28 | 2013-09-18 | 番禺得意精密电子工业有限公司 | Manufacturing method of terminal of electric connector, and terminal of electric connector |
| CN103474859A (en) * | 2013-09-02 | 2013-12-25 | 信源电子制品(昆山)有限公司 | Terminal manufacturing method as well as manufacturing method of terminals and cores of electronic parts and components |
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