CN103990706A - Stamping die of displayer back plate convex hulls - Google Patents
Stamping die of displayer back plate convex hulls Download PDFInfo
- Publication number
- CN103990706A CN103990706A CN201410247086.8A CN201410247086A CN103990706A CN 103990706 A CN103990706 A CN 103990706A CN 201410247086 A CN201410247086 A CN 201410247086A CN 103990706 A CN103990706 A CN 103990706A
- Authority
- CN
- China
- Prior art keywords
- cavity
- convex closure
- display backplane
- diel
- drift
- 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.)
- Granted
Links
Abstract
The invention relates to the technical field of stamping dies, in particular to a stamping die of displayer back plate convex hulls. The stamping die comprises a punch and a concave die located under the punch, the center of the concave die concaves downwards to form a hollow cavity, the punch comprises a fixed punch portion and a movable punch portion, through the fixed punch portion and the movable punch portion, the stamping process is divided into two sub stamping processes, the convex hulls are formed step by step, stress of sectional materials at the root portions of the convex hulls is reduced, and yield of the convex hulls is improved.
Description
Technical field
The present invention relates to Stamping Die Technology field, relate in particular to a kind of diel of display backplane convex closure.
Background technology
Existing display comprises panel and backlight module, wherein, backlight module is by blooming, LGP, the composition such as back light unit and backboard, backboard is as the main support mechanism of whole backlight module, mainly play the effect of optical element in protection display, technical requirement to backboard comprises dimensional tolerance, flatness, the indexs such as flexibility, especially to large-sized LED backboard, the difficulty of its manufacture is higher, especially in the time that the convex closure of product is higher (more than being generally 10mm), easily split, and larger-size backboard, such as the convex closure height of 42 cun of LED backboard moulds is generally 12mm, the convex closure yield that existing mould and generation method are gone out is lower.
Summary of the invention
The object of the invention is to propose a kind of diel for display backplane convex closure, improved the yield of convex closure.
For reaching this object, the present invention by the following technical solutions:
A kind of diel for display backplane convex closure, comprise: drift and the die that is positioned at described drift below, the die cavity of the center formation hollow recessed down of described die, described drift comprises fixed punch head and movable ram portion, described fixed punch head comprises the first core part and the first cavity, described movable ram portion comprises active type core and movable supporting portion, described movable supporting portion is positioned at described the first cavity and closely cooperates with described the first cavity, described the first core part and described active type core composing type core, the shape of described core is identical with the shape of convex closure with the shape of described die cavity.
Wherein, one end and the described active type core of described movable supporting portion are fixedly linked, and the other end of described movable supporting portion is provided with helicitic texture, accordingly, described drift also comprises screw rod, and described screw rod coordinates with described helicitic texture, and described movable ram portion is moved in described the first cavity; Described drift is in punching course, first fixed punch head contacts with display backplane, now described movable ram portion is positioned at described the first cavity, in the time that described fixed punch head enters in described die cavity completely, described screw rod and described helicitic texture interoperation move described movable ram portion in described the first cavity in described die cavity, the moulding of two times punch display backplane, in the time that described active type core and described die cavity agree with, movable ram portion stops action, and punching course completes.
Wherein, the operating distance of described movable ram portion is regulated by described screw rod and described helicitic texture.
Wherein, described helicitic texture is internal thread hole.
Wherein, described fixed punch head also comprises the first support portion for holding the first cavity and support the first core part.
Wherein, also comprise the drives structure for driving described screw rod, described drives structure is fixedly connected with described drift.
Wherein, described drives structure is motorized motions structure.
Beneficial effect of the present invention is: a kind of diel for display backplane convex closure, comprise: drift and the die that is positioned at described drift below, the die cavity of the center formation hollow recessed down of described die, described drift comprises fixed punch head and movable ram portion, by fixed punch head and movable ram portion, punching course is decomposed into twice punching press, progressively make convex closure moulding, reduce the stressed of convex closure root section bar, improved the yield of convex closure.
Brief description of the drawings
Fig. 1 is a kind of punching die structure figure for display backplane convex closure that the embodiment of the present invention one provides.
Fig. 2 is a kind of diel profile for display backplane convex closure that the embodiment of the present invention one provides.
Fig. 3 is a kind of diel profile for display backplane convex closure that the embodiment of the present invention two provides.
Wherein, 1-drift, 2-die, 3-die cavity, 4-fixed punch head, 5-movable ram portion, 6-the first core part, 7-active type core, 8-the first cavity, 9-the first support portion, 10-movable supporting portion, 11-helicitic texture, 12-screw rod.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with Fig. 1-Fig. 3 and by detailed description of the invention.
Embodiment mono-
Fig. 1 is a kind of punching die structure figure for display backplane convex closure that the embodiment of the present invention one provides.
A kind of diel for display backplane convex closure, comprise: drift 1 and the die 2 that is positioned at described drift 1 below, the die cavity 3 of the center formation hollow recessed down of described die 2, described drift 1 comprises fixed punch head 4 and movable ram portion 5, described fixed punch head 4 comprises the first core part 6 and the first cavity 8, described movable ram portion 5 comprises active type core 7 and movable supporting portion 10, described movable supporting portion 10 is positioned at described the first cavity 8 and closely cooperates with described the first cavity 8, described the first core part 6 and described active type core 7 form core, the shape of described core is identical with the shape of convex closure with the shape of described die cavity 3.
In the present embodiment, the present invention, by fixed punch head 4 and movable ram portion 5, is decomposed into twice punching press by punching course, progressively makes convex closure moulding, has reduced the stressed of convex closure root section bar, has improved the yield of convex closure.
As shown in Figure 2, in the present embodiment, one end and the described active type core 7 of described movable supporting portion 10 are fixedly linked, the other end of described movable supporting portion 10 is provided with helicitic texture 11, accordingly, described drift 1 also comprises screw rod 12, and described screw rod 12 coordinates with described helicitic texture 11, makes described movable ram portion 5 in the interior motion of described the first cavity 8.
In the present embodiment, the operating distance of described movable ram portion 5 is regulated by described screw rod 12 and described helicitic texture 11.
In the present embodiment, described helicitic texture 11 is internal thread hole.
In the present embodiment, described fixed punch head 4 also comprises the first support portion 9 for holding the first cavity 8 and support the first core part 6.
In the present embodiment, also comprise the drives structure for driving described screw rod 12, described drives structure is fixedly connected with described drift 1.
In the present embodiment, described drives structure is motorized motions structure.
Embodiment bis-
As shown in Figure 3, in diel not when duty, described movable ram portion 5 is positioned at described the first cavity 8, described drift 1 is in punching course, first fixed punch head 4 contacts with display backplane, in the time that described fixed punch head 4 enters in described die cavity 3 completely, described screw rod 12 and described helicitic texture 11 interoperations, make described movable ram portion 5 interior to the interior motion of described die cavity 3 from described the first cavity 8, the moulding of two times punch display backplane, in the time that described active type core 7 agrees with described die cavity 3, movable ram portion 5 stops action, punching course completes.
The foregoing is only the specific embodiment of the present invention, these are described is in order to explain principle of the present invention, and can not be taking any interpretation of structure as limiting the scope of the invention.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific implementation method of the present invention, within these structures all will fall into protection scope of the present invention.
Claims (7)
1. the diel for display backplane convex closure, it is characterized in that, comprise: drift (1) and be positioned at the die (2) of described drift (1) below, the die cavity (3) of the center formation hollow recessed down of described die (2), described drift (1) comprises fixed punch head (4) and movable ram portion (5), described fixed punch head (4) comprises the first core part (6) and the first cavity (8), described movable ram portion (5) comprises active type core (7) and movable supporting portion (10), described movable supporting portion (10) is positioned at described the first cavity (8) and closely cooperates with described the first cavity (8), described the first core part (6) and described active type core (7) composition core, the shape of described core is identical with the shape of convex closure with the shape of described die cavity (3).
2. a kind of diel for display backplane convex closure according to claim 1, it is characterized in that, one end of described movable supporting portion (10) and described active type core (7) are fixedly linked, the other end of described movable supporting portion (10) is provided with helicitic texture (11), accordingly, described drift (1) also comprises screw rod (12), described screw rod (12) coordinates with described helicitic texture (11), and described movable ram portion (5) is moved in described the first cavity (8), described drift (1) is in punching course, fixed punch head (4) first contacts with display backplane, now described movable ram portion (5) is positioned at described the first cavity (8), in the time that described fixed punch head (4) enters in described die cavity (3) completely, described screw rod (12) and described helicitic texture (11) interoperation, described movable ram portion (5) is moved in the introversive described die cavity of described the first cavity (8) (3), the moulding of two times punch display backplane, in the time that described active type core (7) and described die cavity (3) agree with, movable ram portion (5) stops action, punching course completes.
3. a kind of diel for display backplane convex closure according to claim 2, is characterized in that, the operating distance of described movable ram portion (5) is regulated by described screw rod (12) and described helicitic texture (11).
4. a kind of diel for display backplane convex closure according to claim 2, is characterized in that, described helicitic texture (11) is internal thread hole.
5. a kind of diel for display backplane convex closure according to claim 1, it is characterized in that, described fixed punch head (4) also comprises the first support portion (9) for holding the first cavity (8) and support the first core part (6).
6. a kind of diel for display backplane convex closure according to claim 2, is characterized in that, also comprises the drives structure for driving described screw rod (12), and described drives structure is fixedly connected with described drift (1).
7. a kind of diel for display backplane convex closure according to claim 6, is characterized in that, described drives structure is motorized motions structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410247086.8A CN103990706B (en) | 2014-06-05 | 2014-06-05 | A kind of diel of display backplane convex closure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410247086.8A CN103990706B (en) | 2014-06-05 | 2014-06-05 | A kind of diel of display backplane convex closure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103990706A true CN103990706A (en) | 2014-08-20 |
| CN103990706B CN103990706B (en) | 2016-01-20 |
Family
ID=51305181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410247086.8A Active CN103990706B (en) | 2014-06-05 | 2014-06-05 | A kind of diel of display backplane convex closure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103990706B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111001698A (en) * | 2019-10-22 | 2020-04-14 | 广东伟业铝厂集团有限公司 | A nest some forming device for section bar |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0178180B1 (en) * | 1984-10-11 | 1990-03-07 | Brake And Clutch Industries Australia Pty. Ltd. | Metal forming process, apparatus therefor and product thereof |
| EP0739663A2 (en) * | 1995-04-24 | 1996-10-30 | Trumpf GmbH & Co | Machine for forming workpieces |
| JPH1177176A (en) * | 1997-09-10 | 1999-03-23 | Amada Metrecs Co Ltd | Method for embossment forming and die therefor |
| WO2004016368A1 (en) * | 2002-08-06 | 2004-02-26 | Kabushiki Kaisha Kobe Seiko Sho | Lead frame processing coining punch, method of manufacturing the coining punch, and lead frame |
| CN201442051U (en) * | 2009-06-10 | 2010-04-28 | 山东金麒麟集团有限公司 | Steel back convex-concave combined mold |
| CN102581126A (en) * | 2012-02-28 | 2012-07-18 | 昆山市三景精密模具有限公司 | Stamping die and method for circular convex hull on backboard of flat display |
| CN202683782U (en) * | 2012-06-14 | 2013-01-23 | 昆山维金五金制品有限公司 | Convex hull forming die |
| CN203955885U (en) * | 2014-06-05 | 2014-11-26 | 昆山电子羽电业制品有限公司 | A kind of diel of display backplane convex closure |
-
2014
- 2014-06-05 CN CN201410247086.8A patent/CN103990706B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0178180B1 (en) * | 1984-10-11 | 1990-03-07 | Brake And Clutch Industries Australia Pty. Ltd. | Metal forming process, apparatus therefor and product thereof |
| EP0739663A2 (en) * | 1995-04-24 | 1996-10-30 | Trumpf GmbH & Co | Machine for forming workpieces |
| JPH1177176A (en) * | 1997-09-10 | 1999-03-23 | Amada Metrecs Co Ltd | Method for embossment forming and die therefor |
| WO2004016368A1 (en) * | 2002-08-06 | 2004-02-26 | Kabushiki Kaisha Kobe Seiko Sho | Lead frame processing coining punch, method of manufacturing the coining punch, and lead frame |
| CN201442051U (en) * | 2009-06-10 | 2010-04-28 | 山东金麒麟集团有限公司 | Steel back convex-concave combined mold |
| CN102581126A (en) * | 2012-02-28 | 2012-07-18 | 昆山市三景精密模具有限公司 | Stamping die and method for circular convex hull on backboard of flat display |
| CN202683782U (en) * | 2012-06-14 | 2013-01-23 | 昆山维金五金制品有限公司 | Convex hull forming die |
| CN203955885U (en) * | 2014-06-05 | 2014-11-26 | 昆山电子羽电业制品有限公司 | A kind of diel of display backplane convex closure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111001698A (en) * | 2019-10-22 | 2020-04-14 | 广东伟业铝厂集团有限公司 | A nest some forming device for section bar |
| CN111001698B (en) * | 2019-10-22 | 2021-02-05 | 广东伟业铝厂集团有限公司 | A nest some forming device for section bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103990706B (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104289592A (en) | Aluminum alloy drawing and extruding compound technology | |
| CN203955885U (en) | A kind of diel of display backplane convex closure | |
| CN103990706A (en) | Stamping die of displayer back plate convex hulls | |
| CN203955883U (en) | A kind of diel of convex closure | |
| CN203955891U (en) | A kind of convex closure diel | |
| CN103990705B (en) | A kind of diel of convex closure | |
| CN203973935U (en) | The mould of frame clsss product | |
| CN103990708B (en) | A kind of convex closure diel | |
| CN216972326U (en) | Turnover blanking device of glass forming press | |
| CN104801615A (en) | One-stage combined press forming mold for lath-shaped multi-bend elastic parts | |
| CN205309094U (en) | Whole stamping forming cold -working mould of trapezoidal gauge apron | |
| CN104972615B (en) | The lifter demoulding mechanism of injection mold | |
| CN206613919U (en) | A kind of mainboard composite stretching cropping die lamps structure | |
| CN202895581U (en) | Plastic-injection three-plate mold | |
| CN201863334U (en) | Mold for producing lens | |
| CN214725116U (en) | Flat plate casting mold with ribs | |
| CN201161267Y (en) | Semimanufactures mould for solid plate | |
| CN107052154A (en) | A kind of mainboard composite stretching cropping die lamps structure | |
| CN203076356U (en) | Cold extrusion mould | |
| CN204584011U (en) | Perforated die | |
| CN203391156U (en) | Sliding block forced-demolding structure of mold | |
| CN113751605B (en) | Manufacturing method for one-time bending forming of narrow side of box-shaped hollow piece | |
| CN216329478U (en) | Mold Logo demolding mode structure | |
| CN216175850U (en) | One-time bending forming die for narrow edge of box-shaped hollow part | |
| CN202725802U (en) | Forming die for difform molybdenum boat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |