Utility model content
Main purpose of the present utility model is to provide a kind of blanking die, is intended to efficient, high accuracy and processes at low cost plastic uptake back of the body lid.
For achieving the above object, the blanking die that the utility model provides, for stamping-out plastic uptake back of the body lid, left plate, front side board and right plate that described plastic uptake back of the body lid comprises the base plate of rectangle, upwards extended to form by three edges adjacent in described base plate; Wherein, described blanking die comprises blanking structure, drives structure, upper module and is located at the lower module of described upper module below;
Described upper module comprises the core rod protruding towards described lower module; Described plastic uptake back of the body cover buckle is located at below described core rod, and left plate, front side board and the right plate of described plastic uptake back of the body lid enclose respectively left surface, leading flank and the right flank in described core rod;
Described lower module comprises the die that the position of corresponding described core rod arranges and left slider, right slide block and the front-slider of being located at actively all sides of described die, and this three slide block is left surface, right flank and the leading flank setting of corresponding described core rod respectively;
Described blanking structure comprises the side blow groove and side blow cutter and the red needle cooperatively interacting and the lower punching that cooperatively interact, described side blow groove is formed at the lateral circle surface of described core rod, and described side blow knife-edge is formed in described left slider, right slide block and front-slider it separately towards the one side of described core rod; Described lower punching is formed to lower recess by the upper surface of described die; The position of the corresponding described lower punching of described core rod is provided with the red needle hole that connects its upper and lower surface, and described red needle is equipped with described red needle in hole, and described red needle and described upper module fix; Described side blow groove and side blow cutter are for left plate, front side board and the right plate of plastic uptake back of the body lid described in stamping-out; Described red needle and lower punching are for the base plate of plastic uptake back of the body lid described in stamping-out;
Described drives structure drives described upper module and lower module to move in opposite directions in matched moulds process, drives described left slider, right slide block and front-slider to move towards described core rod; In die sinking process, drive described on module and lower module move dorsad, drive the described core rod motion dorsad of described left slider, right slide block and front-slider.
Preferably, described lower module also comprises lower bolster and slide fastener structure, and described left slider, right slide block and front-slider are connected by described slide fastener structure slidably with described lower bolster respectively.
Preferably, the protuberance that described slide fastener structure comprises chute and coordinates with described chute slide fastener;
Described lower module also comprises briquetting, and described briquetting and described lower bolster are fixed, and described chute is surrounded by two described briquettings and lower bolster; Described protuberance is formed at the rear and front end of described left slider and described right slide block and the two ends, left and right of described front-slider.
Preferably, described blanking die also comprises pedestal and the punch components of being located at described pedestal top, and described punch components can move around at above-below direction, in order to drive die sinking and the matched moulds motion of blanking die; Wherein, described upper module and described punch components are fixed, and described lower module and described pedestal are fixed.
Preferably, the rear side of described die is formed with lower jet-bedding, and described upper module also comprises the upper stamping knife protruding to described lower module; Described upper stamping knife is relative with described lower jet-bedding also can be plugged together, and described upper stamping knife is nearer apart from described lower die with respect to described core rod.
Preferably, described drives structure comprises shovel base and transverse elasticity part;
Described shovel base comprises left shovel base, front shovel base and right shovel base; Described left shovel base, front shovel base and right shovel base fix with described upper module respectively, and the position of corresponding described left slider, front-slider and right slide block arranges respectively; Described left shovel base, front shovel base and right shovel base are provided with an inclined-plane separately, for the pushing and pressing mutually in matched moulds process of its corresponding slide block, so as to making left slider, front-slider and right slide block draw close to described core rod in matched moulds process, to carry out stamping-out;
Described transverse elasticity part is multiple, be installed in respectively between described lower die and described left slider, right slide block and front-slider, with make left slider, right slide block and front-slider in die sinking process away from described core rod, to carry out the demoulding.
Preferably, described upper module comprises panel and is located at the backing plate of described panel below, and described shovel base and red needle are fixed with described panel respectively and to downward-extension, and described core rod and upper stamping knife are fixed with described backing plate respectively and to downward-extension; Described panel and described punch components fix, and move up and down to follow described punch components; Described backing plate and described panel are bolted, to limit maximum distance between the two; Between described backing plate and described panel, be also provided with longitudinal elasticity part, move to make panel and backing plate to carry out differential with respect to described die.
Preferably, described upper module also comprises the portable plate that is fixedly arranged on described backing plate below; The position of the corresponding described shovel base of described portable plate is provided with via hole, passes described portable plate for described shovel base through it; The position of the corresponding described core rod of described portable plate and upper stamping knife is provided with locating hole, passes described portable plate and provides fastening force to described core rod and upper stamping knife through it for described core rod.
Preferably, the cutting knife portion that each slide block comprises the trajectory part coordinating with described chute slide fastener and is fixed on described trajectory part top; Described protuberance is formed in described trajectory part, and described side blow knife-edge is formed in described cutting knife portion.
Left plate, right plate and the front side board of plastic uptake back of the body lid lay respectively between the lateral circle surface of core rod and the left slider of blanking die, right slide block and front-slider of blanking die provided by the utility model, and the base plate of plastic uptake back of the body lid is between the red needle and lower punching of blanking die; Thereby in matched moulds process, on left plate, right plate and the front side board that the plastic uptake back of the body is covered, form respectively the otch of its corresponding stamping knife shape, on the base plate that the plastic uptake back of the body is covered, form pilot hole.Therefore the blanking die that provides by the utility model carrys out die-cut plastic uptake back of the body lid, has that formation speed is fast, processing cost is low and the effect of good processing accuracy.
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that in the utility model embodiment the XYZ rectangular coordinate system definition according to setting up in Fig. 2 a: side that is positioned at X-axis positive direction is defined as left, and a side that is positioned at X-axis negative direction is defined as right-hand; A side that is positioned at Y-axis positive direction is defined as front, and a side that is positioned at Y-axis negative direction is defined as rear; A side that is positioned at Z axis positive direction is defined as top, and a side that is positioned at Z axis negative direction is defined as below.
The utility model provides a kind of blanking die, the plastic uptake back of the body for stamping-out LCD TV covers 1, in conjunction with referring to figs. 1 through Fig. 5, in one embodiment, the plastic uptake back of the body covers 1 left plate 12, front side board 13 and the right plate 14 that comprises the base plate 11 of rectangle, upwards extended to form by three edges adjacent in base plate 11.
Blanking die comprises blanking structure, drives structure, upper module 2 and is located at the lower module 3 of module 2 belows.
Upper module 2 comprises core rod 24(Fig. 2 that module 3 protrudes down); The plastic uptake back of the body cover 1 button is located at (not shown this installation diagram) below core rod 24, and plastic uptake is carried on the back and covered 1 left plate 12, front side board 13 and right plate 14 and enclose respectively left surface, leading flank and the right flank in core rod 24.Particularly, can be that the plastic uptake back of the body covers the setting that all slopes inwardly of 1 left plate 12, front side board 13 and right plate 14, it is 84 ° to 86 ° with the angle of base plate 11 separately, thereby can be sandwiched in the side of core rod 24, realizes and being buckled on core rod 24; Certainly, the clamping structure of spring ball class can also be set on core rod 24, those skilled in the art can expect, not repeat them here.
Lower module 3 comprises the die 37 that the position of corresponding core rod 24 arranges and left slider 31, right slide block 32 and the front-slider 33 of being located at actively 37 weeks sides of described die, this three slide block 31,32,33 left surface, right flank and leading flank setting of corresponding core rod 24 respectively.
Blanking structure comprises the side blow groove that cooperatively interacts and side blow cutter (do not mark side blow groove in figure, side blow cutter is only illustrated as an example of the side blow cutter 321 on right slide block 32 example) and the red needle 211 and the lower punching 371 that cooperatively interact; Side blow groove is formed at the lateral circle surface of core rod 24, and side blow cutter 321 is formed in left slider 31, right slide block 32 and front-slider 33 it separately towards the one side of core rod 24.Lower punching 371 is formed to lower recess by the upper surface of die 37; The position of the corresponding lower punching 371 of core rod 24 is provided with the red needle hole 241 that connects its upper and lower surface, is equipped with red needle 211 in red needle hole 241, and red needle 211 fixes with upper module 2; Side blow groove and side blow cutter 321 cover 1 left plate 12, front side board 13 and right plate 14 for the stamping-out plastic uptake back of the body; Red needle 211 and lower punching 241 are covered 1 base plate 11 for the stamping-out plastic uptake back of the body.
Drives structure drives respectively upper module 2 and lower module 3 to move in opposite directions in matched moulds process, drive left slider 31, right slide block 32 and front-slider 33 to move towards core rod 24 respectively, on driving in die sinking process, module 2 and lower module 3 move dorsad, drive left slider 31, right slide block 32 and front-slider 33 respectively dorsad core rod 24 move.In the time of matched moulds, in side blow cutter 321 inserting side jet-beddings, carry on the back the otch 15 on left plate 12, front side board 13 and the right plate 14 that covers 1 with stamping-out plastic uptake; Red needle 211 is inserted in lower punching 241, carries on the back the pilot hole 16 on the base plate 11 that covers 1 with stamping-out plastic uptake.In the time of die sinking, make left slider 31, right slide block 32 and front-slider 33 dorsad core rod 24 move, upper module 2 and lower module 3 move dorsad, cover 1 demoulding to complete the plastic uptake back of the body.
The present embodiment carrys out the die-cut plastic uptake back of the body by mould and covers 1, and with respect to traditional machined scheme, this programme has that production efficiency is high, processing cost is low and the effect of good processing accuracy.
Particularly, lower module 3 comprises lower bolster 34 and slide fastener structure, and left slider 31, right slide block 32 and front-slider 33 are connected by slide fastener structure slidably with lower bolster 34 respectively.Slide fastener structure can be oat tail groove structure or the T-shaped groove structure etc. mutually fastening.Particularly, die 37 is secured by bolts in the top of lower bolster 34.
In the present embodiment, the protuberance 36 that slide fastener structure comprises chute 351,352,353 and coordinates with chute 351,352,353 slide fasteners.Lower module 3 also comprises multiple briquettings 35, in multiple briquetting 35(figure, only marks one) fixing with lower bolster 34, every two briquettings 35 and lower bolster 34 surround a chute 351/352/353; Protuberance 36(only marks out one of them) be formed at left slider 31, right slide block 32 and front-slider 33 opposite end separately.Particularly, the rear and front end of left slider 31 and right slide block 32 is formed with protuberance 36, and the two ends, left and right of front-slider 33 are formed with protuberance 36; Briquetting 35 comprises that three to (6), is individually fixed on lower bolster 34, in order to form left chute 351, right rail 352 and front chute 353.
Further, blanking die also comprises pedestal and the punch components (not shown) of being located at pedestal top, and punch components can move around at above-below direction, in order to drive die sinking and the matched moulds motion of blanking die.Upper module 2 and punch components are fixed, and lower module 3 and pedestal are fixed; Thereby make on the one hand module 2 and lower module 3 can mutually draw close at work with the stamping-out plastic uptake back of the body and cover 1 and mutually away to install or unloading plastic uptake is carried on the back and covered 1 in this blanking die; On the other hand, because upper module 2 is provided with jet-bedding, therefore after stamping-out, the remaining limit of residual stamping-out will be stayed in jet-bedding, and following punch components and move up, thereby the remaining limit of this stamping-out is by the position in comparatively spacious, so that operating personnel pick up remaining this stamping-out limit from jet-bedding.
Certainly in other embodiments, can be also that upper module 2 and pedestal are fixed, lower module 3 and punch components are fixed.
Further, the rear side of die 37 is formed with lower jet-bedding 38; Upper module 2 also comprises the upper stamping knife 25 that downward module 3 protrudes; Upper stamping knife 25 is relative with lower jet-bedding 38 also can be plugged together, and upper stamping knife 25 is nearer with respect to the lower die 37 of core rod 24 distance.In the present embodiment, the back edge of lower die 37 forms jet-bedding backward, and upper stamping knife 25 is the scissor-shaped stamping-out plastic uptake back of the body and cover in other examples of implementation of 1(, this lower jet-bedding 38 and upper stamping knife 25 also can be chopper shape stamping-out plastic uptake carry on the back cover 1); Thereby in matched moulds process, upper stamping knife 25 moves down, then insert in lower jet-bedding 38, make the plastic uptake back of the body cover 1 bottom and be punched.
Further, drives structure comprises shovel base 392 and transverse elasticity part 391; Shovel base 392 is multiple, is respectively left shovel base, front shovel base and right shovel base; Left shovel base, front shovel base and right shovel base fix with upper module 2 respectively, and the position of corresponding left slider 31, right slide block 32 and front-slider 33 arranges respectively, left shovel base, front shovel base and right shovel base are provided with an inclined-plane 3921 separately, for the pushing and pressing mutually in matched moulds process of its corresponding slide block 31,32,33, so as to making left slider 31, right slide block 32 and front-slider 33 draw close to core rod 24 in matched moulds process, to carry out stamping-out; Transverse elasticity part 391 is for multiple (clear in order to illustrate, in figure, only show one of them, other hiding processing), be installed in respectively between lower die 37 and left slider 31, right slide block 32 and front-slider 33, to make left slider 31, right slide block 32 and front-slider 33 in die sinking process, in the time of free state away from core rod 24, to carry out the demoulding.Drives structure in the present embodiment has simple in structure, utilizes the die sinking campaign of upper module 2 and lower module 3 by frame for movement, drives the stamping-out of blanking die, therefore has reliable and stable effect.
Certainly, in other embodiments, drives structure also can comprise oil cylinder, under hydraulic oil cylinder driving independently, drives left slider 31, right slide block 32 and front-slider 33 towards moving with core rod 24 dorsad, and completes stamping-out and demoulding campaign.
Particularly, in the present embodiment, in three chutes 351,352,353, be also provided with locating hole 354, and install keeper in locating hole 354, this keeper can be bolt, thereby each slide block 31,32,33 can not deviate from the chute 351,352,353 at its place under the effect of transverse elasticity part 391.
In the present embodiment, upper module 2 comprises panel 21 and backing plate 22, and shovel base 392 and red needle 211 are fixing and to downward-extension with panel 21 respectively, and core rod 24 and upper stamping knife 25 are fixing and to downward-extension with backing plate 22 respectively; Panel 21 and punch components fix, and move up and down to follow punch components; Backing plate 22 is fixed in the below preset range of panel 21.Particularly, backing plate 22 and panel 21 are bolted, to limit maximum distance between the two; Between backing plate 22 and panel 21, be also provided with longitudinal elasticity part 212, move to make panel 21 and backing plate 22 can carry out differential with respect to die 37.Thereby in matched moulds motion, upper module 2 moves downward, under the thrust of the crescendo of longitudinal elasticity part 212, first core rod 24 compresses the plastic uptake back of the body and covers 1 base plate 11; Then the relative die 37 of backing plate 22 keeps fixing, and panel 21 continues to die 37 to move, thereby shovel base 392 drives the side blow cutter 321 of left slider 31, right slide block 32 and front-slider 33 to insert in the side blow groove of core rod 24; Under the effect of the crescendo downforce simultaneously producing in the deformation gradually of longitudinal elasticity part 212, red needle 211 is inserted in lower punching 371, and stamping-out goes out pilot hole 16, upper stamping knife 25 is cut off the plastic uptake back of the body and is covered 1 bottom, and insert in lower jet-bedding 38, and then reach the plastic uptake back of the body and cover the effect that 1 otch 15, pilot hole 16 and its bottom are punched simultaneously.
In the present embodiment, by this longitudinal elasticity part 212 is set, make module 2 in the process moving down, can be before upper stamping knife 25 and red needle 211 obtain enough shearing forces, making to shovel base 392 first contacts with slide block 31,32,33, move to make side blow cutter 321 on slide block 31,32,33 cover 1 side plate 12,13,14 to the plastic uptake back of the body, make plastic uptake carry on the back to cover 1 base plate 11 by core rod 24 and die 37 straightenings simultaneously; Then in the time that upper stamping knife 25 obtains enough shearing forces, side blow cutter 321, upper stamping knife 25 and red needle 211 simultaneously the stamping-out plastic uptake back of the body are covered 1 side plate and base plate 11, thereby reach good punching precision.
Longitudinal elasticity part 212 also can be set certainly in other embodiments, but backing plate 22 is directly connected with panel 21.
Further, in the present embodiment, upper module 2 also comprises the portable plate 23 that is fixedly arranged on backing plate 22 belows; The position of the corresponding shovel base 392 of portable plate 23 is provided with via hole 231, passes portable plate 23 for shovel base 392 through it; The position of the corresponding core rod 24 of described portable plate 23 and upper stamping knife 25 is provided with locating hole (being filled invisible in figure), passes portable plate 23 and provides fastening force to core rod 24 and upper stamping knife 25 through it for core rod 24.Because upper stamping knife 25 is longer, easily flexural deformation in the horizontal direction or fracture when stressed, therefore, increasing portable plate 23 can provide support in the horizontal direction to upper stamping knife 25, thereby increases the durability of upper stamping knife 25.
Particularly, in the present embodiment, each slide block 31,32,33 comprises that the trajectory part 322 coordinating with chute 351,352,353 slide fasteners and the 323(of cutting knife portion that is fixed on trajectory part 322 tops only mark as an example of right slide block example, other slide blocks roughly the same), in trajectory part 322, be formed with protuberance 36, in cutting knife portion 323, be formed with side blow cutter 321.By this setting, thereby can make slide block 31,32,33 in the time adapting to different stamping-out demands, only need to change the cutting knife portion 323 on it, and then save the cost of exploitation and making mould.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.