CN202516932U - Stamping die suitable for keyboard frame of notebook computer - Google Patents
Stamping die suitable for keyboard frame of notebook computer Download PDFInfo
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- CN202516932U CN202516932U CN2012200846280U CN201220084628U CN202516932U CN 202516932 U CN202516932 U CN 202516932U CN 2012200846280 U CN2012200846280 U CN 2012200846280U CN 201220084628 U CN201220084628 U CN 201220084628U CN 202516932 U CN202516932 U CN 202516932U
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Abstract
The utility model discloses a stamping die suitable for a keyboard frame of a notebook computer. The stamping die comprises a group of discharging modules for discharging, a plurality of groups of coarse stamping modules for coarse stamping pre-machining and a group of fine stamping modules for final fine machining. When the modules are matched with one another, the side wall of the stamped keyboard frame has a sufficient euphotic zone; and acute angles are formed on the front sides and the back sides of all keyboard holes, so that the phenomenon of sunk angles is prevented. Simultaneously, according to the stamping die, a punch and a lower die insert are formed by PG optical grinding, and a nitrogen spring is provided, so that a product has an extremely good euphotic zone and is extremely high in flatness.
Description
Technical field
The utility model relates to a kind of diel, is specifically related to a kind of diel that is applicable to the keyboard of notebook computer framework.
Background technology
The keyboard frame of notebook computer has plenty of by made and forms, because higher to the quality requirement of keyboard frame, so just very strict to the management and control of the machining accuracy of the framework of metal keyboard, appearance and size etc.And the produced metal keyboard frame of prior art tends to occur a series of problems, and for example: the stamping press of stamped metal spare is relatively large, and the keyboard pore volume is prone to the angle phenomenon of collapsing; Drift and counterdie go into that the surface of piece is smooth inadequately, and the sidewall of the framework that punching press is come out can not guarantee enough euphotic belts, has influenced the outward appearance of product; The hole tolerance of the product that punching press is come out, the tolerance between the Kong Yukong etc. all are difficult to meet the requirements of precision.
The quality of stamping parts with Mould design and manufacturing direct relation is arranged, and the produced notebook computer metal of existing mould keyboard frame is difficult to reach aforesaid high request, and the quality of product is still waiting to improve.
The utility model content
For solving the deficiency of prior art; The purpose of the utility model is to provide a kind of diel that is applicable to notebook computer metal keyboard frame; Utilize aforesaid diel to produce not collapse the keyboard hole at angle; Frame side wall guarantees that enough euphotic belts are arranged, and the tolerance between hole tolerance, the Kong Yukong etc. all meets the high-quality computer metal keyboard frame of required precision.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind of diel that is applicable to the keyboard of notebook computer framework comprises: one group of blanking module that is used for blanking, and many groups are used for thick thick die set towards preprocessing, and one group is used for final accurately machined fine blanking die group.
Aforementioned blanking module comprises: the blanking up stripper that is used for binder; Be arranged on the blanking punch group that is used for the stamping-out material in the aforementioned blanking up stripper, aforementioned blanking punch group comprises the blanking punch and the pierce punch that is used for punching on material that is used for the periphery of material is carried out blanking; Be arranged on the blanking lower bolster of aforementioned blanking up stripper below; Be fixed on closing the blanking counterdie that carries out stamping-out with aforementioned blanking punch assembly and going into the piece group of aforementioned blanking lower bolster top.
The thick die set of aforementioned many groups includes: what be used for binder slightly rushes to stripper plate; Be arranged on aforementioned crude and rush in the stripper plate and can produce with it the slightly head group in a state of excitement that relative slip is used for stamping-out keyboard hole, aforementioned crude head group in a state of excitement comprises that being used for punching out goes out a plurality of slightly towards the keyhole drift of a part of transition keyhole of keyboard frame; What be arranged on that aforementioned crude rushes to stripper plate below slightly sweeps away template; Be fixed on that aforementioned crude sweeps away template top with aforementioned crude in a state of excitement an assembly close the mould that slightly sweeps away that carries out stamping-out and go into the piece group, aforementioned crude sweeps away mould and goes into the piece group and comprise with aforementioned a plurality of a plurality of moulds that slightly sweep away that slightly cooperate towards the keyhole drift and go into piece.
Different aforementioned crude are slightly not overlapping towards the horizontal level each other of keyhole drift in the head group arbitrarily in a state of excitement; Belong to same aforementioned crude in a state of excitement a plurality of in the head group be separated from one another and non-conterminous slightly towards the keyhole drift.
The number of module is 4 in the thick die set of aforementioned many groups.
Aforementioned fine blanking die group comprises: the essence that is used for binder rushes to stripper plate; Be arranged on aforementioned essence and rush in the stripper plate and can produce with it essence that relative slip is used for stamping-out head group in a state of excitement, aforementioned essence head group in a state of excitement comprises and is used for a plurality of essences of target complete keyhole that essence goes out keyboard frame towards the keyhole drift; Being arranged on aforementioned essence rushes to the essence that stripper plate below is used for fixing the counterdie part and sweeps away template; Be fixed on that aforementioned essence sweeps away template top with aforementioned essence in a state of excitement an assembly close the essence of carrying out stamping-out and sweep away mould and go into the piece group, aforementioned essence sweeps away mould and goes into the piece group and comprise that a plurality of essences that cooperate towards the keyhole drift with aforementioned a plurality of essences sweep away mould and go into piece.
Aforementioned transition keyhole leaves surplus, waits to be finish-machined to for there not being the aforementioned target keyhole of surplus.
The surplus that aforementioned transition keyhole leaves is 5% to 20% of a material thickness.
Aforementioned fine blanking die group also comprises: be arranged on aforementioned essence and rush to being used for clamping and fixing the aforementioned essence train wheel bridge of head in a state of excitement of stripper plate top; Be arranged on aforementioned train wheel bridge and aforementioned essence rush between the stripper plate with aforementioned essence in a state of excitement head be slidingly connected and supply the aforementioned essence baffle plate that passes of head in a state of excitement; Be arranged on the upper bolster that aforementioned train wheel bridge top is used for fixing each plate; Be arranged on the upper padding plate that is used for cushioning blanking pressure between aforementioned train wheel bridge and the aforementioned upper bolster; Be arranged on aforementioned upper padding plate top be used for the resistance to compression damping on re-pack, increase the last cushion block of mold height and make things convenient for the mounting plate of shut die; Be arranged on the following backboard that bearing plane presses that is used for that aforementioned essence sweeps away template below, be arranged on the lower bolster that is used for cushioning blanking pressure of aforementioned backboard down below, be arranged on the die shoe that is used for fixing each plate of aforementioned lower bolster below.
Aforementioned essence head group and essence in a state of excitement sweeps away mould and goes into piece and process by the PG optical grinding.
Aforementioned fine blanking die group also comprises: be arranged on re-pack on aforementioned and aforementioned mounting plate between be used to increase the nitrogen spring of pressure-plate-force.
The usefulness of the utility model is: be provided with slightly towards preprocessing step and smart in the fine finishining step; And process positive and negative two sides from material and carry out stamping-out; All transition keyholes that leave surplus are dashed to the target keyhole that no longer keeps surplus; Guaranteed that keyboard hole positive and negative all is acute angles, the angle phenomenon of not collapsing; Smart sweep away mould towards keyhole drift and essence and go into piece and process by the PG optical grinding; Drift that obtains through PG optical grinding processing and counterdie are gone into piece and are not burnt the cutter phenomenon; Smooth surface, precision height; Smartly thus sweep away mould towards keyhole drift and smart and go into that tolerance all meets required precision between the hole tolerance in the computor-keyboard hole that the piece punching press obtains, the Kong Yukong, and guaranteed that the sidewall of framework has enough euphotic belts; Be arranged on that nitrogen spring volume in the fine blanking die group is little, elastic force is big, elastic force pressure is constant, having guaranteed has enough big pressure-plate-force when the stamping-out profile, make product have good flatness.
Description of drawings
Fig. 1 is the partial structurtes sketch map of the blanking module in the specific embodiment of the utility model a kind of diel of being applicable to the keyboard of notebook computer framework;
Fig. 2 is the partial structurtes sketch map of one group of thick die set in the specific embodiment of the utility model a kind of diel of being applicable to the keyboard of notebook computer framework;
Fig. 3 is the structural representation of the fine blanking die group in the specific embodiment of the utility model a kind of diel of being applicable to the keyboard of notebook computer framework.
Fig. 4 is through the relative position sketch map in the keyboard hole that the first thick group of the head in a state of excitement stamping-out forms in the preferred version of the utility model a kind of diel of being applicable to the keyboard of notebook computer framework;
Fig. 5 is through the relative position sketch map in the keyboard hole that the second thick group of the head in a state of excitement stamping-out forms in the preferred version of the utility model a kind of diel of being applicable to the keyboard of notebook computer framework;
Fig. 6 is through the relative position sketch map in the keyboard hole that the 3rd thick group of head in a state of excitement stamping-out forms in the preferred version of the utility model a kind of diel of being applicable to the keyboard of notebook computer framework;
Fig. 7 is through the relative position sketch map in the keyboard hole that the 4th thick group of head in a state of excitement stamping-out forms in the preferred version of the utility model a kind of diel of being applicable to the keyboard of notebook computer framework;
Fig. 8 is the relative position sketch map in the second middleware upper keyboard hole in the specific embodiment of the utility model a kind of diel of being applicable to the keyboard of notebook computer framework;
The implication of Reference numeral among the figure:
1- blanking up stripper 2- blanking punch 3- pierce punch 4- blanking lower bolster 5- blanking counterdie is gone into piece group 6- and is slightly rushed to stripper plate 7- and slightly slightly sweep away template 9- towards keyhole drift 8- and slightly sweep away mould and go into piece 10- essence and rush to stripper plate 11- essence and sweep away template 13- essence towards keyhole drift 12- essence and sweep away the mould 23- that goes into to re-pack on the backboard 19- lower bolster 20- die shoe 21- nitrogen spring 22- under the piece 14- train wheel bridge 15- baffle plate 16- upper bolster 17- upper padding plate 18- and go up cushion block 24- mounting plate.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done concrete introduction.
A kind of diel that is applicable to the keyboard of notebook computer framework comprises: one group of blanking module that is used for blanking, and many groups are used for thick thick die set towards preprocessing, and one group is used for final accurately machined fine blanking die group.
With reference to Fig. 1, the blanking module comprises: blanking up stripper 1 is used to take off material, binder; Be arranged on the blanking punch group that is used for the stamping-out material in the blanking up stripper 1, thereby this blanking punch group comprises and is used for the material periphery is carried out blanking punch 2 that blanking forms frame around the keyboard and is used for the pierce punch 3 that stamping-out goes out the hole except that the keyboard hole on the keyboard; Be arranged on the blanking lower bolster 4 of blanking up stripper 1 below, blanking lower bolster 4 is used for fixing the counterdie part; The blanking counterdie that cooperates with blanking punch 2 and pierce punch 3 that is fixed on blanking lower bolster 4 tops is gone into piece group 5; The blanking counterdie is gone into piece group 5 and is cooperated stamping-out to go out keyboard frame all around with blanking punch 2; The blanking counterdie is gone into piece group 5 and is cooperated stamping-out to go out the hole except that the keyboard hole with pierce punch 3, and this hole is included as the hole that keyboard indicator lamp, on & off switch etc. are reserved.The blanking module is used for the material stamping-out is formed first middleware.
The blanking module also comprises the structure that those skilled in the art rule of thumb just can infer except comprising above-mentioned structure, so just repeat no more at this.
With reference to Fig. 2, organize thick die set more and include: slightly rush to stripper plate 6, be used to take off material, binder; Be arranged on the slightly head group in a state of excitement that stamping-out goes out the transition keyhole that is used for that slightly rushes in the stripper plate 6 and can produce with it relative slip; Should the thick group of head in a state of excitement comprise a plurality of be used for punching out go out the transition keyhole slightly towards keyhole drift 7; The transition keyhole that warp slightly goes out towards 7 punching out of keyhole drift is compared with the target keyhole and has all been kept certain surplus; So just guaranteed that every group of stamping-out all is on last one group transition keyhole that leaves surplus, to continue stamping-out; Each only from last one group transition keyhole stamping-out fall the seldom material of a part, make object key hole dimension standard that final stamping-out goes out, distortion less, tow sides all are acute angle, the angle phenomenon of not collapsing; Be arranged on slightly rush to stripper plate 6 belows slightly sweep away template 8; Be fixed on and slightly sweep away closing the mould that slightly sweeps away that carries out stamping-out with a thick assembly in a state of excitement and going into the piece group of template 8 tops, slightly sweep away mould go into the piece group comprise a plurality of with slightly go into piece 9 towards the keyhole drift 7 corresponding moulds that slightly sweep away.The thick arbitrarily horizontal level each other towards keyhole drift 7 in the different thick groups of head does not in a state of excitement overlap; Belonging to a plurality of in the same thick group of head in a state of excitement is separated from one another and non-conterminous towards keyhole drift 7 slightly; That is to say; In one group of thick group of head in a state of excitement, slightly behind keyhole drift 7 stamping-outs, form the transition keyhole through first middleware that forms after the blanking; The ensuing several groups of thick groups of head in a state of excitement no longer are provided with slightly towards keyhole drift 7 in the position of the transition of stamping-out formation keyhole; Every group slightly towards keyhole drift 7 all be avoid before the stamping-out position that forms the transition keyhole carry out stamping-out; And in the same thick group of head in a state of excitement slightly towards keyhole drift 7 on same the walking crosswise in twos slightly towards being separated with one between the keyhole drift 7 at least slightly towards the position of keyhole drift 7, also be in twos slightly towards being separated with one between the keyhole drift 7 at least on the same perpendicular row slightly towards the position of keyhole drift 7, and on adjacent two row slightly can be adjacent towards the relative position of keyhole drift 7; This adjacent just keyboard angle of spot hole and angle adjacent, and limit, non-keyboard hole and limit is adjacent.
In order more clearly slightly to concern in the thick head in a state of excitement of the explanation group towards the position between the keyhole drift 7; We are decided to be 4 with the number of module in the thick die set of above-mentioned many groups; Be followed successively by the first thick die set, the second thick die set, the 3rd thick die set and the 4th thick die set, they corresponding slightly in a state of excitement the head group be followed successively by first head group, second head group, the 3rd head group and the 4th head group in a state of excitement slightly in a state of excitement slightly in a state of excitement slightly in a state of excitement slightly.If first middleware is through the first head group stamping-out in a state of excitement slightly, the position of the transition keyhole that forms so is as shown in Figure 4; If first middleware is through the second head group stamping-out in a state of excitement slightly, the position of the transition keyhole that forms so is as shown in Figure 5; If first middleware is through the 3rd head group stamping-out in a state of excitement slightly, the position of the transition keyhole that forms so is as shown in Figure 6; If first middleware is through the 4th head group stamping-out in a state of excitement slightly, the position of the transition keyhole that forms so is as shown in Figure 7.Slightly head group is all after stamping-out finishes successively on same first middleware in a state of excitement when all, and the keyboard hole on the keyboard frame is just all accomplished by stamping-out, and is as shown in Figure 8; All the several times stamping-out is divided in the keyboard hole; The keyboard hole that each stamping-out forms all is evenly distributed on the keyboard; And the position in a keyboard hole is left in the keyboard hole that each stamping-out forms at least on the relative position relation of the left and right sides; On relative position relation up and down, also leave the position at least one keyboard hole, the generation of keyhole that has caused with regard to having avoided a whole keyhole of punching press like this and the distortion of the coupling part between the keyhole, short-tempered, the situation such as angle of collapsing.
In practical operation; The number of module is not necessarily 4 in the thick die set, can also be other number, guarantees that in rational group number scope, reaching best punching press effect gets final product; Thick die set number words very little; Can not guarantee between keyhole and the keyhole not distortion of coupling part, do not produce short-tempered, do not produce the angle etc. of collapsing, thick die set number is too many, has not only increased unnecessary step but also wasted resource.
The number of guaranteeing thick die set is in reasonable range; No matter how many numbers of above-mentioned thick die set specifically is; As long as in every group are being distributed on the whole keyboard frame of disperseing towards keyhole drift 7 slightly; And guarantee on the relative position relation of the left and right sides two slightly towards leave the position in a keyboard hole between the keyhole drift 7 at least, two on the relative position relation slightly get final product towards the position of leaving a keyboard hole between the keyhole drift 7 at least up and down, be not limited to Fig. 4 position extremely shown in Figure 7 and concern.
Need to prove that the transition keyhole is compared with the target keyhole and left certain surplus and each surplus is all identical, the surplus that leaves is 5% to 20% of a material thickness, and as preferred scheme, the identical surplus that the transition keyhole leaves is 10% to 15% of a material thickness.
With reference to Fig. 3, the fine blanking die group comprises: the essence that is used for binder rushes to stripper plate 10; Be arranged on essence and rush in the stripper plate 10 and can produce with it essence that relative slip is used for stamping-out head group in a state of excitement, the smart group of head in a state of excitement comprises and is used for a plurality of essences of target complete keyhole that essence goes out keyboard frame towards keyhole drift 11; Be arranged on the essence that essence rushes to stripper plate 10 belows and sweep away template 12; Essence sweeps away template 12 upper fixed to be had and closes the essence of carrying out stamping-out with a smart assembly in a state of excitement and sweep away mould and go into the piece group, and essence sweeps away mould and goes into the piece group and comprise and a plurality ofly sweep away mould with essence towards keyhole drift 11 corresponding essences and go into piece 13.
As a kind of preferred version; Essence head group and essence in a state of excitement sweeps away mould and goes into the piece group and processed by the PG optical grinding; The essence that obtains through PG optical grinding processing head group in a state of excitement sweeps away with smart that mould is gone into the smooth surface of piece group, precision is high; The smart thus group of head in a state of excitement and smart sweeps away mould and goes into that tolerance all meets required precision between the hole tolerance in the computor-keyboard hole that the punching press of piece group obtains, the Kong Yukong, and has guaranteed that the sidewall of framework has enough euphotic belts.
With reference to Fig. 3, the fine blanking die group also includes: be arranged on the train wheel bridge 14 that essence rushes to stripper plate 10 tops, train wheel bridge 14 be used for clamping with fixing smart towards keyhole drift 11, prevent smartly to take place towards keyhole drift 11 positions to slide relatively and influence the size of product; Be arranged on train wheel bridge 14 and smart and rush to the baffle plate 15 between the stripper plate 10, baffle plate 15 with smart be slidingly connected and supply towards keyhole drift 11 smartly pass towards keyhole drift 11, can control punching stroke simultaneously; Be arranged on the upper bolster 16 of train wheel bridge 14 tops, upper bolster 16 is used for fixing each plate, prevents relatively moving of occurrence positions between each plate; Be arranged on the upper padding plate 17 between train wheel bridge 14 and the upper bolster 16; Upper padding plate 17 is used for cushioning blanking pressure; Make middleware can not be extruded distortion because receiving excessive blanking pressure, upper padding plate 17 tops also be provided be used for the resistance to compression damping on re-pack 22, increase the last cushion block 23 of mold height and make things convenient for the mounting plate 24 of shut die; Be arranged on the following backboard 18 that essence sweeps away template 12 belows, following backboard 18 is used for bearing the face pressure that lower bolster applies, and makes mould stressed evenly, is unlikely by the excessive pressure damage in part; Be arranged on down the lower bolster 19 of backboard 18 belows, lower bolster 19 is used for cushioning blanking pressure, and the blanking pressure that the protection mould receives is unlikely excessive; Be arranged on the die shoe that is used for fixing each plate 20 of lower bolster 19 belows.
As a kind of preferred version; In the fine blanking die group last re-pack 22 and mounting plate 24 between also be provided with the nitrogen spring 21 that is used to increase pressure-plate-force; Nitrogen spring 21 volumes are little, elastic force is big, elastic force pressure is constant; Having guaranteed has enough big pressure-plate-force when the stamping-out profile, make product have good flatness.
Previous embodiment does not limit the utility model in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in the protection domain of the utility model.
Claims (5)
1. be applicable to the diel of keyboard of notebook computer framework, it is characterized in that, comprising:
One group of blanking module that is used for blanking, many groups are used for thick thick die set towards preprocessing, and one group is used for final accurately machined fine blanking die group;
Above-mentioned blanking module comprises: be used for binder the blanking up stripper, be arranged on blanking punch group that above-mentioned blanking up stripper is used for the stamping-out material, be arranged on the blanking lower bolster of above-mentioned blanking up stripper below, be fixed on closing the blanking counterdie that carries out stamping-out with above-mentioned blanking punch assembly and going into the piece group of above-mentioned blanking lower bolster top;
Above-mentioned blanking punch group comprises: be used for to the material periphery carry out blanking blanking punch, be used for the pierce punch of punching on material;
The thick die set of above-mentioned many groups includes: be used for binder slightly rush to stripper plate, be arranged on above-mentioned slightly rush to stripper plate and can produce the thick group of head in a state of excitement that relative slip is used for stamping-out with it, be arranged on above-mentioned rush to slightly that the stripper plate below is used for fixing the counterdie part slightly sweep away template, be fixed on above-mentioned the closing the mould that slightly sweeps away that carries out stamping-out with an above-mentioned thick assembly in a state of excitement and going into the piece group of template top that slightly sweep away;
Above-mentioned slightly in a state of excitement head group comprise: be used for punching out and go out a plurality of of a part of transition keyhole of keyboard frame slightly towards the keyhole drift; The above-mentioned mould that slightly sweeps away is gone into the piece group and is comprised with above-mentioned a plurality of a plurality of moulds that slightly sweep away that slightly cooperate towards the keyhole drift and go into piece;
Not slightly not overlapping arbitrarily in the different above-mentioned thick groups of head in a state of excitement towards keyhole drift horizontal level each other; Belonging to a plurality of in the same above-mentioned thick group of head in a state of excitement is separated from one another and non-conterminous towards the keyhole drift slightly;
Above-mentioned fine blanking die group comprises: the essence that is used for binder rushes to stripper plate, be arranged on above-mentioned essence rush to stripper plate and can produce with it essence that relative slip is used for stamping-out in a state of excitement the head group, be arranged on above-mentioned essence and rush to the essence that the stripper plate below is used for fixing the counterdie part and sweep away template, be fixed on that above-mentioned essence sweeps away the template top with above-mentioned essence in a state of excitement an assembly close the essence of carrying out stamping-out and sweep away mould and go into the piece group;
Above-mentioned essence head group in a state of excitement comprises and is used for a plurality of essences of target complete keyhole that essence goes out keyboard frame towards the keyhole drift; Above-mentioned essence sweeps away mould and goes into the piece group and comprise that a plurality of essences that cooperate towards the keyhole drift with above-mentioned a plurality of essences sweep away mould and go into piece;
Above-mentioned transition keyhole leaves surplus, and the transition keyhole is waited to be finish-machined to for there not being the above-mentioned target keyhole of surplus.
2. the diel that is applicable to the keyboard of notebook computer framework according to claim 1 is characterized in that, the number of module is 4 in the thick die set of above-mentioned many groups.
3. the diel that is applicable to the keyboard of notebook computer framework according to claim 1 and 2 is characterized in that, above-mentioned essence head group and above-mentioned essence in a state of excitement sweeps away mould and goes into piece and processed by the PG optical grinding.
4. the diel that is applicable to the keyboard of notebook computer framework according to claim 3; It is characterized in that; Above-mentioned fine blanking die group also comprises: be arranged on above-mentioned essence and rush to being used for clamping and fixing the above-mentioned essence train wheel bridge of head in a state of excitement of stripper plate top; Be arranged on above-mentioned train wheel bridge and above-mentioned essence rush between the stripper plate with above-mentioned essence in a state of excitement head be slidingly connected and supply the above-mentioned essence baffle plate that passes of head in a state of excitement; Be arranged on the upper bolster that above-mentioned train wheel bridge top is used for fixing each plate; Be arranged on the upper padding plate that is used for cushioning blanking pressure between above-mentioned train wheel bridge and the above-mentioned upper bolster, above-mentioned upper padding plate top also be provided be used for the resistance to compression damping on re-pack, increase the last cushion block of mold height and make things convenient for the mounting plate of shut die; Be arranged on above-mentioned essence and sweep away template below and be used for the following backboard that bearing plane presses, be arranged on the lower bolster that is used for cushioning blanking pressure of above-mentioned backboard down below, be arranged on the die shoe that is used for fixing each plate of above-mentioned lower bolster below.
5. the diel that is applicable to the keyboard of notebook computer framework according to claim 4 is characterized in that, above-mentioned fine blanking die group also comprises: be arranged at re-pack on above-mentioned and above-mentioned mounting plate between be used to increase the nitrogen spring of pressure-plate-force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200846280U CN202516932U (en) | 2012-03-08 | 2012-03-08 | Stamping die suitable for keyboard frame of notebook computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200846280U CN202516932U (en) | 2012-03-08 | 2012-03-08 | Stamping die suitable for keyboard frame of notebook computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202516932U true CN202516932U (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200846280U Withdrawn - After Issue CN202516932U (en) | 2012-03-08 | 2012-03-08 | Stamping die suitable for keyboard frame of notebook computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202516932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601227A (en) * | 2012-03-08 | 2012-07-25 | 昆山市三景精密模具有限公司 | Punching mould and punching method suitable for labtop keyboard frame |
| CN112719011A (en) * | 2020-12-15 | 2021-04-30 | 重庆伟汉汽车部件有限公司 | Forming process for positioning and mounting convex hull on electric control booster shell |
-
2012
- 2012-03-08 CN CN2012200846280U patent/CN202516932U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601227A (en) * | 2012-03-08 | 2012-07-25 | 昆山市三景精密模具有限公司 | Punching mould and punching method suitable for labtop keyboard frame |
| CN102601227B (en) * | 2012-03-08 | 2014-11-12 | 昆山三景科技股份有限公司 | Punching mould and punching method suitable for labtop keyboard frame |
| CN112719011A (en) * | 2020-12-15 | 2021-04-30 | 重庆伟汉汽车部件有限公司 | Forming process for positioning and mounting convex hull on electric control booster shell |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: KUNSHAN SANJING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: KUNSHAN SANJING PRECISION MOULD CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 215335 No. three lane 423, Kunshan Development Zone, Jiangsu, Suzhou Patentee after: Kunshan Sanjing Technology Co., Ltd. Address before: 215335 No. three lane 423, Kunshan Development Zone, Jiangsu, Suzhou Patentee before: Kunshan City Sanjing Precision Mould Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20121107 Effective date of abandoning: 20141112 |
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| RGAV | Abandon patent right to avoid regrant |