CN102554037A - Continuous mould manufacturing method for LED (Light Emitting Diode) display back panel - Google Patents
Continuous mould manufacturing method for LED (Light Emitting Diode) display back panel Download PDFInfo
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- CN102554037A CN102554037A CN2011104495527A CN201110449552A CN102554037A CN 102554037 A CN102554037 A CN 102554037A CN 2011104495527 A CN2011104495527 A CN 2011104495527A CN 201110449552 A CN201110449552 A CN 201110449552A CN 102554037 A CN102554037 A CN 102554037A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000005452 bending Methods 0.000 claims abstract description 32
- 239000000047 product Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 25
- 239000011265 semifinished product Substances 0.000 claims description 19
- 230000000750 progressive effect Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 abstract description 11
- 238000003754 machining Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000007306 turnover Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The invention discloses a continuous mould manufacturing method for an LED (Light Emitting Diode) display back panel, and relates to an LED display. A dissolved continuous mould is divided into a plurality of parts for punching and machining various structural details of a product respectively; the structure of a strip separation part with four folded edges is that: a bending punch and a bending block are arranged inside and outside a product respectively; a lower cutter is embedded at the position of the bending block on the inner side of the edge of the product; an upper cutter is close to the lower cutter on the outer side of the edge of the product; the positions of the upper cutter and the lower cutter are correspondingly sheared; a stripper plate is arranged below the bending punch inside the bending block; a spring is arranged below the stripper plate; an ejection rod is arranged in the bending punch close to a bent edge of the product; and the tail part of the ejection rod is provided with a spring, and the head part of the ejection rod extends out of the bending punch. By using the mould, the continuous mould production of the back panel is realized in a breakthrough way, the working efficiency can be increased, and the machining accuracy can be improved.
Description
Technical field
The present invention relates to a kind of light-emitting diode display, particularly use progressive die impact style to make the method for the backboard of this display.
Background technology
The backboard of light-emitting diode display is the vitals that is used for installing liquid crystal panel and circuit board; As light-emitting diode display; This body structure more complicated; So the labyrinth such as fluctuating, trip of many locating holes, convexity, recessed, chamfering, different shape is arranged, and these structures need all accurate localization could satisfy the normal mounting of light-emitting diode display on backboard.Existing backboard is a metal, generally adopts the technology manufacturing of punching press.
Existing production method is to adopt independent mould punching press, needs many stamping machines, divides the punching press respectively of a plurality of steps with various structures, accomplishes a step and need move to next procedure with the mechanical arm of accurate control later.Such as a typical production line, by 6 stamping machines and 6 molds, during transport with mechanical arm.The division of labor substantially is such:
By feeder coiled strip is got into No. 1 stamping machine, stamp out product design, positioned internal hole etc.
By mechanical arm semi-finished product in No. 1 stamping machine are taken out and to be transferred to stamping machine No. 2, stamp out product internal protrusion etc.
By mechanical arm semi-finished product in No. 2 stamping machines are taken out and to be transferred to stamping machine No. 3, stamp out the product design chamfering, the chamfering of inner aperture and mint-mark etc.
By mechanical arm semi-finished product in No. 3 stamping machines are taken out and to be transferred to stamping machine No. 4, stamp out the inner long strip type of product and rise and fall the integer of part baby hem and product internal protrusion etc.
By mechanical arm semi-finished product in No. 4 stamping machines are taken out and to be transferred to stamping machine No. 5, stamp out the trip moulding of product surrounding, part baby hem etc.
By mechanical arm semi-finished product in No. 5 stamping machines are taken out and to be transferred to stamping machine No. 6, stamp out product surrounding bending etc.
By mechanical arm semi-finished product in No. 6 stamping machines are taken out and to be transferred to product and to collect chassis, prepare next procedure production (cleaning).
The defective of prior art is:
Need six molds, six stamping machines are produced simultaneously, and six sections of semi-finished product shift filling process need mechanical arm, cause the production cost waste;
Six stamping machines and mechanical arm need 6 demanding operating personnel of above professional technique;
Whole production line needs bigger equipment, and space waste is caused in the personnel space;
Need lose time six stamping machine transfers in the semi-finished product space, production efficiency is low;
To be easy to generate product bad for position deviation in the mechanical arm filling process, and serious caused mould and stamping machine damage, and quality is unstable, and the equipment mould is dangerous.
Progressive die production technology is a kind of of metal stamping technology, is characterized in a mold a plurality of technologies of production continuously, can practice thrift operation and equipment.But for the light-emitting diode display backboard, prior art can not realize progressive die production, because the light-emitting diode display backboard is the parts of one four limit turnover, and also has process detail on four limits of turnover, like hole, trip etc.
Summary of the invention
The present invention is exactly in order to overcome the defective of described existing many equipment of the light-emitting diode display backboard multi-mould stamping manufacture method of background technology, to invent a kind of continuous molding making method of light-emitting diode display backboard.Especially solve the four limits turnover problem in the progressive die punching press.
Manufacturing approach of the present invention based on a kind of can four limits the progressive die processing mold of turnover; Concrete structure is: whole continuous mould divides a plurality of parts, respectively the internal protrusion of punch process product, fluctuating, four checkposts collude, CONSTRUCTED SPECIFICATION such as profile, inner aperture; The four edge break limits of last part and the structure of strip separating part be, structure is as shown in Figure 2, and Bending punch, folded block are the bending critical piece, and upper cutter, lower cutter are for cutting off critical piece; Stripper plate, ejector beam are auxiliary discharging parts; Bending punch and folded block are respectively in the interior outside of product, and it is inboard in product edge that lower cutter is bumped into the folded block position, and upper cutter nestles up lower cutter in the product edge outside; Upper cutter and lower cutter position correspondence are the shearing shape; Stripper plate is below the inboard Bending punch of folded block, and the stripper plate below is provided with spring; Ejector beam is arranged in the Bending punch near product bending edges place, and the ejector beam afterbody is provided with spring, and head can stretch out Bending punch.
Can carry out the continuous molding making method in the diel of four limits turnover above-mentioned: even material place is set in the position between each finished product on the continuous raw band; The continuous feed raw band is to stamping machine; Semi-finished product through connecting each step of material place connection carry out punch process successively in the various piece of the mould of the progressive die, and four edge break limit and fractures are carried out in final step.
Method of the present invention only needs single mold, and the separate unit stamping machine just can be produced, and does not need mechanical arm to carry, and has reduced equipment input and operating personnel's input; The single machine floor space is little, power consumption is little, energy-conserving and environment-protective; And see from process time, having save the half-finished handling time on many stamping machines, can enhance productivity, it is about 190%, remarkably productive to improve production performance through measuring and calculating.At last, the present invention need not carry semi-finished product between each equipment, can also improve the machining accuracy of product, improves product quality and device security greatly.
Description of drawings
Fig. 1, light-emitting diode display back board structure figure.
Fig. 2, the flanging fracture part first section punching press movement structure figure of the progressive die of the present invention.
Fig. 3, the flanging fracture part second section punching press movement structure figure of the progressive die of the present invention.
Fig. 4, flanging fracture part the 3rd section punching press movement structure figure of the progressive die of the present invention.
Fig. 5, flanging fracture part the 4th section punching press movement structure figure of the progressive die of the present invention.
The specific embodiment
Below in conjunction with description of drawings concrete mould structure of the present invention and production procedure.
Like Fig. 1, the backboard of light-emitting diode display is a metal sheet metal component, and all there is flanging at the four sides, has process details such as many screw holes, trip, long comment apart from fluctuating, locating hole, convexity, inscription, chamfering on bottom surface and the flanging.And these process details need higher precision, deviation can not be arranged, otherwise can influence the assembling and the service life of display.
General this thin metal sheet metal component adopts the stamping machine punching press to process.
The present invention adopts a stamping machine to cooperate progressive die mould, produces the backboard of light-emitting diode display continuously.Concrete method is:
At first, extra on the backboard of light-emitting diode display a band material place is set, the position is provided with and needs on four limits of flanging.This setting is to realize through the mould step, in a last step, will excise, and promptly only before last mould of the progressive die, exists.Its objective is to be to let during the progressive die produces that before the step in the end, the semi-finished product of punching press do not come off above the raw material of continuous feed, realize progressive die manufacturing.
Second; According to the shape need of product, be ready to progressive die mould according to the method for general progressive die diel, generally can use to amount to 8 steps and accomplish finished products; Aforesaid screw hole, trip, locating hole have been comprised; Processing steps such as concavo-convex, chamfering, shaping, this is the content of prior art, is not important requirement of the present invention.
During emphasis inventive point of the present invention was that the mould of final step is prepared, the shape need to four edge break limits of the backboard of the existence at band material place and light-emitting diode display designed so a kind of fracture and flanging mould.Structure is: Bending punch, folded block are the bending critical piece, and upper cutter, lower cutter are for cutting off critical piece; Stripper plate, ejector beam are auxiliary discharging parts; Bending punch and folded block are respectively in the interior outside of product, and it is inboard in product edge that lower cutter is bumped into the folded block position, and upper cutter nestles up lower cutter in the product edge outside; Upper cutter and lower cutter position correspondence are the shearing shape; Stripper plate is below the inboard Bending punch of folded block, and the stripper plate below is provided with spring; Ejector beam is arranged in the Bending punch near product bending edges place, and the ejector beam afterbody is provided with spring, and head can stretch out Bending punch.
After the punch process of backboard through the front several steps of the progressive die of the light-emitting diode display of processing, be transported to final step, the semi-finished product of this moment remain planar products, do not have flanging, and even the material place still exists, and each semi-finished product connect together.
Shown in Fig. 2 ~ 5 is exactly the flanging and the decomposition view that cuts off concrete steps of final step:
First section, mould mo(u)ld top half are along with stamping machine moves downward, and raw material are suppressed to the mo(u)ld bottom half stripper plate and above the folded block by the ejector beam of mo(u)ld top half;
Second section, stamping machine continue to move downward, and upper cutter begins to separate semi-finished product and strip with lower cutter, and Bending punch is pushed down semi-finished product and is fixed simultaneously;
The 3rd section, stamping machine continue to move downward, and semi-finished product are turned up into vertical configuration under the effect of Bending punch and folded block, and stamping machine moves to bottom dead centre simultaneously;
The 4th section, mould mo(u)ld top half are along with stamping machine moves upward, and the semi-finished product that embed the mo(u)ld bottom half folded block are deviate from by stripper plate, and stamping machine continues to move upward, and the semi-finished product that are coated on the Bending punch are deviate from by ejector beam.
Whole process is accomplished.
Claims (1)
1. the continuous molding making method of a light-emitting diode display backboard uses the continuous mould of this method to divide a plurality of parts, respectively the internal protrusion of punch process product, fluctuating, four checkposts collude, CONSTRUCTED SPECIFICATION such as profile, inner aperture; It is characterized in that: the four edge break limits of last part and the structure of strip separating part be, Bending punch, folded block are the bending critical piece, and upper cutter, lower cutter are for cutting off critical piece; Stripper plate, ejector beam are auxiliary discharging parts; Bending punch and folded block are respectively in the interior outside of product, and it is inboard in product edge that lower cutter is bumped into the folded block position, and upper cutter nestles up lower cutter in the product edge outside; Upper cutter and lower cutter position correspondence are the shearing shape; Stripper plate is below the inboard Bending punch of folded block, and the stripper plate below is provided with spring; Ejector beam is arranged in the Bending punch near product bending edges place, and the ejector beam afterbody is provided with spring, and head can stretch out Bending punch;
Manufacturing approach is: the position, four edge break limits of each finished product is provided with and connects the material place on continuous raw band; The continuous feed raw band is to stamping machine; Semi-finished product through connecting each step of material place connection carry out punch process successively in the various piece of the mould of the progressive die, and four edge break limit and fractures are carried out in final step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104495527A CN102554037A (en) | 2011-12-29 | 2011-12-29 | Continuous mould manufacturing method for LED (Light Emitting Diode) display back panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104495527A CN102554037A (en) | 2011-12-29 | 2011-12-29 | Continuous mould manufacturing method for LED (Light Emitting Diode) display back panel |
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| CN102554037A true CN102554037A (en) | 2012-07-11 |
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| CN2011104495527A Pending CN102554037A (en) | 2011-12-29 | 2011-12-29 | Continuous mould manufacturing method for LED (Light Emitting Diode) display back panel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896227A (en) * | 2012-10-18 | 2013-01-30 | 江苏凡润电子有限公司 | Progressive die equipment and method for machining sheet metal component with threaded hole on lateral-face edge belt |
| CN111570624A (en) * | 2020-05-22 | 2020-08-25 | 万盛兴精密技术（惠州）有限公司 | A production process of metal parts and its continuous mold |
| CN114192483A (en) * | 2021-12-07 | 2022-03-18 | 东莞市曼科五金制品有限公司 | Full-automatic production line and production packaging process of backlight assembly |
| CN119016594A (en) * | 2024-10-25 | 2024-11-26 | 盐城市益维光电科技有限公司 | A punching machine for producing and shaping LED display back panels |
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2011
- 2011-12-29 CN CN2011104495527A patent/CN102554037A/en active Pending
Patent Citations (8)
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| JPS59141334A (en) * | 1983-01-29 | 1984-08-14 | Alps Electric Co Ltd | Automatic caulking device |
| JP2919179B2 (en) * | 1992-06-15 | 1999-07-12 | 松下電工株式会社 | Box processing method |
| CN201308941Y (en) * | 2008-10-23 | 2009-09-16 | 王祥 | Continuous strip cutting and molding device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896227A (en) * | 2012-10-18 | 2013-01-30 | 江苏凡润电子有限公司 | Progressive die equipment and method for machining sheet metal component with threaded hole on lateral-face edge belt |
| CN111570624A (en) * | 2020-05-22 | 2020-08-25 | 万盛兴精密技术（惠州）有限公司 | A production process of metal parts and its continuous mold |
| CN114192483A (en) * | 2021-12-07 | 2022-03-18 | 东莞市曼科五金制品有限公司 | Full-automatic production line and production packaging process of backlight assembly |
| CN119016594A (en) * | 2024-10-25 | 2024-11-26 | 盐城市益维光电科技有限公司 | A punching machine for producing and shaping LED display back panels |
| CN119016594B (en) * | 2024-10-25 | 2025-01-21 | 盐城市益维光电科技有限公司 | A punching machine for producing and shaping LED display back panels |
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| C06 | Publication | ||
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 214000 7 tin Jin Road, New District, Jiangsu, Wuxi Applicant after: Jiangsu Fanrun Electronics Co.,Ltd. Address before: 214000 7 tin Jin Road, New District, Jiangsu, Wuxi Applicant before: Jiangsu Fanrun Electronic Co.,Ltd. |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |