CN202701119U

CN202701119U - Continuous mold used for manufacturing back panel of light emitting diode (LED) displayer

Info

Publication number: CN202701119U
Application number: CN 201120561936
Authority: CN
Inventors: 朴日模
Original assignee: JIANGSU FANRUN ELECTRONICS CO Ltd
Current assignee: JIANGSU FANRUN ELECTRONICS CO Ltd
Priority date: 2011-12-29
Filing date: 2011-12-29
Publication date: 2013-01-30
Anticipated expiration: 2021-12-29

Abstract

The utility model discloses a continuous mold used for manufacturing a back panel of a light emitting diode (LED) displayer, and relates to manufacturing equipment of an LED displayer. The continuous mold is divided into a plurality of parts which are used to punch and machine various structural details of a product. The structure of a separation part of a four-side edgefold and a material belt is that a bending punch and a bending block are respectively arranged on the inner side and the outer side of the product, the portion where a lower cutting knife is embedded into the bending block is placed on the edge inner side of the product, and an upper cutting knife is tightly against the lower cutting knife and placed on the edge outer side of the product. The positions of the upper cutting knife and the lower cutting knife correspond to each other and are in shearing mode. A stripper plate is arranged on the inner side of the bending block and below the bending punch, and a spring is arranged below the stripper plate. An ejector beam is arranged inside the bending punch and close to the bending side portion of the product, the rear portion of the ejector beam is provided with a spring, and the head portion of the ejector beam can extend out of the bending punch. By using the continuous mold used for manufacturing the back panel of the LED displayer, continuous mold production of the back panel is achieved in a breakthrough mode, and production efficiency and machining precision are improved.

Description

A kind of progressive die of making the light-emitting diode display backboard

Technical field

The utility model relates to a kind of light-emitting diode display, particularly uses pressing equipment to make the progressive die of the backboard of this display.

Background technology

The backboard of light-emitting diode display is the vitals that liquid crystal panel and circuit board are installed, as light-emitting diode display, complicated structure own, so the labyrinth such as fluctuating waveform, grab of many locating holes, projection, recessed, chamfering, various shapes is arranged at backboard, and these structures need all accurate location could satisfy the normal mounting of light-emitting diode display.Existing backboard is metal, generally adopts the technique manufacturing of punching press.

Existing production method is to adopt independent mould punching, needs many stamping machines, divides the respectively punching press of a plurality of steps with various structures, and finishing a step needs later on to move to next step with the mechanical arm of accurately control.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 entered stamping machine No. 1, 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 interiors of products projection 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 interior bone 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 interiors of products long strip type and rise and fall the integer of part baby hem and interiors of products projection 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 grab 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 the product-collecting 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 larger equipment, and the space waste is caused in the personnel space; The semi-finished product space is shifted and need to be lost time at six stamping machines, and production efficiency is low; Easily to produce product bad for position deviation in the mechanical arm filling process, and serious caused mould and stamping machine damage, and quality is unstable, and equipment die is dangerous.

Progressive die production technology is a kind of of metal stamping technique, is characterized in the continuously a plurality of techniques of production of a mold, can save 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 four a limits turnover, and also has process detail on four limits of turnover, such as hole, grab etc.

The utility model content

The utility model 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 progressive die that can be used for making above-mentioned light-emitting diode display backboard.Especially solve the four limits turnover problem in the progressive die punching press.

Of the present utility model can four limits the progressive die processing mold structure of turnover be: whole continuous mould divides a plurality of parts, respectively the CONSTRUCTED SPECIFICATIONs such as the internal protrusion of punch process product, waveform part, four checkpost hooks, outer edge, interior bone; Four edge break limits of last part and the structure of strip separating part be, structure as shown in Figure 2, Bending punch, folded block are the bending critical piece, upper cutter, lower cutter be 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.

Above-mentioned can four limits the diel of turnover carry out the continuous molding making method: arrange in the position between each finished product on the continuous raw band and connect the material place, the continuous feed raw band is to stamping machine, the semi-finished product that connect each step by connecting the material place 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 utility model 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 investment and operating personnel's input; The single machine floor space is little, power consumption is little, energy-conserving and environment-protective; And from process time, save the half-finished handling time on many stamping machines, and can enhance productivity, can improve production performance approximately 190% through measuring and calculating, remarkably productive.At last, the utility model does not need semi-finished product are carried between each equipment, can also improve the machining accuracy of product, improves greatly product quality and device security.

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 utility model.

Fig. 3, the flanging fracture part second section punching press movement structure figure of the progressive die of the present utility model.

Fig. 4, flanging fracture part the 3rd section punching press movement structure figure of the progressive die of the present utility model.

Fig. 5, flanging fracture part the 4th section punching press movement structure figure of the progressive die of the present utility model.

The specific embodiment

Below in conjunction with description of drawings concrete mould structure of the present utility model and production procedure.

Such as Fig. 1, the backboard of light-emitting diode display is a sheet metal spare, and all there is flanging at the four sides, has the process details such as many screw holes, grab, long comment apart from fluctuating waveform part, locating hole, projection, inscription, chamfering on bottom surface and the flanging.And these process details need higher precision, deviation can not be arranged, otherwise can affect assembling and the service life of display.

General this thin metal sheet metal component adopts the stamping machine punching press to make.

The progressive die of the present utility model has a plurality of punch steps modules, generally can use altogether 8 steps to finish finished product, aforesaid screw hole, grab, locating hole have been comprised, the processing steps such as concavo-convex, chamfering, shaping, this is the content of prior art, is not important requirement of the present utility model.

During emphasis utility model point of the present utility model was that the mould of final step is prepared, the shape need for four edge break limits of the backboard of the existence at material place and light-emitting diode display designed so a kind of fracture and flanging mould.Structure is: Bending punch 1, folded block 2 are the bending critical piece, and upper cutter 3, lower cutter 4 are for cutting off critical piece; Stripper plate 5, ejector beam 6 are auxiliary discharging parts; Bending punch 1 and folded block 2 are respectively in the interior outside of product, and it is inboard in product edge that lower cutter 4 is bumped into folded block 2 positions, and upper cutter 3 nestles up lower cutter 4 in the product edge outside; Upper cutter 3 and lower cutter 4 position correspondences are the shearing shape; Stripper plate 5 is below folded block 2 inboard Bending punches 1, and stripper plate 5 belows are provided with spring 7; It is interior near product bending edges place that ejector beam 6 is arranged on Bending punch 1, and the ejector beam afterbody is provided with spring 7, and head can stretch out Bending punch 1.

After the punch process of backboard through the several steps in front 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 that final step utilizes the mould of the utility model structure to carry out the concrete steps decomposition view of flanging and cut-out:

The first section, mould mo(u)ld top half are along with stamping machine moves downward, and raw material are suppressed to mo(u)ld bottom half stripper plate 5 and above the folded block 2 by the ejector beam 6 of mo(u)ld top half;

The second section, stamping machine continue to move downward, and upper cutter 3 begins to separate semi-finished product and strip with lower cutter 4, and Bending punch 1 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 1 and folded block 2, 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 mo(u)ld bottom half folded block 2 are deviate from by stripper plate 5, 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 6.

Whole process is finished.

Claims

1. progressive die of making the light-emitting diode display backboard, described continuous mould divides a plurality of parts, but respectively internal protrusion, waveform part, four checkpost hooks, outer edge, the interior bone of punch process product; It is characterized in that: four edge break limits of last part and the structure of strip separating part be, Bending punch (1), folded block (2) are the bending critical piece, and upper cutter (3), lower cutter (4) are for cutting off critical piece; Stripper plate (5), ejector beam (6) are auxiliary discharging parts; Bending punch (1) and folded block (2) are respectively in the interior outside of product, and it is inboard in product edge that lower cutter (4) is bumped into folded block (2) position, and upper cutter (3) nestles up lower cutter (4) in the product edge outside; Upper cutter (3) and lower cutter (4) position correspondence are the shearing shape; Stripper plate (5) is in the inboard Bending punch of folded block (2) (1) below, and stripper plate (5) below is provided with spring (7); Ejector beam (6) is arranged in the Bending punch (1) near product bending edges place, and ejector beam (6) afterbody is provided with spring (7), and head can stretch out Bending punch (1).