CN206185022U - Prevent stamping die that protruding luxuriant root heaves - Google Patents

Abstract

The utility model discloses a prevent stamping die that protruding luxuriant root heaves, including last bedplate, upper padding plate, fixed plate, stripper, the terrace die of forming ears, die board, liftout needle, liftout spring, lower bolster and lower bedplate, the upper padding plate is installed at last bedplate downside, mould part on the upper padding plate downside constitutes is installed to the fixed plate, the lower bolster sets up under on the bedplate, concave template settings constitutes the lower mould part on the lower bolster, the stripper sets up on last bedplate through stripper spring and lies in the die board, form ears the terrace die setting on the fixed plate, be equipped with on the die board and form ears the corresponding die of forming ears of terrace die, the setting of liftout needle is in the die of forming ears to set up under on the bedplate through the liftout spring, form ears be equipped with on the blade of die one around its the holding pad around outer. The utility model discloses can prevent that protruding luxuriant root from heaving the unevenness, and avoid leading to protruding bud to beat the askew scheduling problem of not high or protruding bud owing to receive the resistance of liftout needle.

Description

It is a kind of to prevent the stamping mold that convex luxuriant root is heaved

Technical field

The utility model belongs to stamping technology field, and the stamping mold that convex luxuriant root is heaved is prevented more particularly to a kind of.

Background technology

Stamping mold, is in Cold Press Working, by material（Metal is nonmetallic）It is processed into part（Or semi-finished product）'s A kind of special process equipment, referred to as cold punching die（It is commonly called as cold-punching mould）.Punching press, is at room temperature, using installed in forcing press On mould to material apply pressure, make its produce separate or be plastically deformed, so as to obtain a kind of pressure processing of required part Method.

In the process of part, often there is part to need to carry out raising bud, existing raising bud is substantially using punching Compression mould is completed, but is currently used for the stamping mold of raising bud, and the upper surface of its cavity plate of forming ears is smooth, so, beating Luxuriant punch-pin to material strip form ears when being molded, and convex luxuriant root can be subject to the extruding of power to produce plane heave.Cause flatness not all right, Influence client's use demand.

The content of the invention

The utility model purpose is to provide one kind to solve the above problems to prevent convex luxuriant root from heaving out-of-flatness The stamping mold heaved of anti-convex luxuriant root.

Therefore, prevent the stamping mold heaved of convex luxuriant root the utility model discloses a kind of, including upper base plate, upper padding plate, Fixed plate, stripper, punch-pin of forming ears, concave template, material pushing needle, liftout spring, lower bolster and lower seat board, the upper padding plate are arranged on Upper base plate downside, the fixed plate is arranged on upper padding plate downside and constitutes part of the upper die, and the lower bolster is arranged on lower seat board, institute State concave template and be arranged on and part of the lower die is constituted on lower bolster, the stripper is arranged on upper base plate and is located at by discharging spring On concave template, the punch-pin of forming ears is arranged in fixed plate, the concave template be provided with it is corresponding with punch-pin of forming ears form ears it is recessed Mould, the material pushing needle is arranged on forms ears in cavity plate, and is arranged on lower seat board by liftout spring, the cutting edge of the cavity plate of forming ears Be provided with one around its outside holding pad.

Further, the holding pad protrudes from a quarter of the height no more than material strip thickness of cutting edge of die of forming ears.

Further, also including unloading block and transmission rod, the unloading block is arranged on below cavity plate of forming ears, the material pushing needle Bottom is fixed in unloading block, and the transmission rod upper end contacts with unloading block, and the liftout spring is arranged on below transmission rod, institute Liftout spring is stated in lower seat board, the unloading block has through concave template and stretches out concave template upper surface in die sinking Extension.

Further, also including stopping plate high, the only plate high is arranged on stripper upside.

Further, the upper base plate, be fixed by screws in together between upper padding plate and fixed plate.

Further, it is fixed by screws in together between the concave template, lower bolster and lower seat board.

Further, also including guide pin bushing and guide pillar, the part of the upper die, stripper and part of the lower die pass through guide pin bushing and guide pillar Positioning, connection.

Further, outer limited post is provided between the part of the upper die and part of the lower die.

Further, the lower seat board is provided with lifter guide pin, the lifter guide pin stretch out concave template upper surface with Lift is positioned and risen to material to be cut.

Advantageous Effects of the present utility model：

The utility model by be provided with the cutting edge of cavity plate of forming ears one around its outside holding pad so that forming ears When punch-pin punching carries out raising bud, the material flowability of material strip slows down, it is to avoid convex luxuriant root deformation is heaved, and flatness meets Client's use demand；Simultaneously by setting unloading block, in raising bud, unloading block lays down discharging spring force, makes at material pushing needle In free state, when material is squeezed into by punch-pin of forming ears, just the smooth cavity plate of forming ears that flows into forms convex bud to material, will not so receive Convex bud is caused to beat the phenomenons such as not high or convex bud is askew to the resistance of material pushing needle.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment；

Fig. 2 is the cavity die structure schematic diagram of forming ears of the utility model embodiment；

Fig. 3 is another angle schematic diagram of cavity die structure of forming ears of the utility model embodiment.

Specific embodiment

The utility model is further illustrated in conjunction with the drawings and specific embodiments.

As Figure 1-3, it is a kind of to prevent the stamping mold heaved of convex luxuriant root, including upper base plate 1, upper padding plate 2, fixed plate 3, Stripper 5, punch-pin 11 of forming ears, concave template 6, material pushing needle 14, liftout spring 19, lower bolster 7 and lower seat board 8, the upper padding plate 2 are pacified Mounted in the downside of upper base plate 1, the fixed plate 3 is arranged on the downside of upper padding plate 2 and constitutes part of the upper die together, in order that upper base plate 1, on Connection between backing plate 2 and fixed plate 3 is more firm, in this specific embodiment, preferably upper base plate 1, upper padding plate 2 and fixed plate 3 it Between be fixed by screws in together.Certainly, in other embodiments, can also be adopted between upper base plate 1, upper padding plate 2 and fixed plate 3 It is fixed with existing other fixed forms.

The lower bolster 7 is arranged on lower seat board 8, and the concave template 6 is arranged on lower bolster 7 and constitutes lower mold portion together Point, in order that the connection between concave template 6, lower bolster 7 and lower seat board 8 is more firm, in this specific embodiment, preferably concave template 6, It is fixed by screws in together between lower bolster 7 and lower seat board 8.Certainly, in other embodiments, concave template 6, the and of lower bolster 7 Can also be fixed using existing other fixed forms between lower seat board 8.

The stripper 5 is arranged on upper base plate 1 and on concave template 6 by discharging spring 21, is specifically referred to existing There is technology, this is no longer described in detail.

The punch-pin 11 of forming ears is arranged in fixed plate 3, and through stripper 5, the concave template 6 be provided with form ears it is convex The corresponding cavity plate 13 of forming ears of mould 11, the material pushing needle 14 is located in forms ears in cavity plate 13, and liftout spring 19 is arranged on lower seat board 8 Interior, the bottom of material pushing needle 14 is located on the top of liftout spring 19, and the cutting edge 131 of the cavity plate 13 of forming ears is provided with one around cutting edge The holding pad 20 of 131 outsides.By setting holding pad 20 so that when the punching 10 of punch-pin 11 of forming ears carries out raising bud, expecting Slow down with 10 material flowability, it is to avoid convex luxuriant root deformation is heaved, and flatness meets client's use demand.This specific embodiment In, holding pad 20 is preferably circular ring type, and it is highly（I.e. holding pad 20 protrudes from the height of the cutting edge 131 of cavity plate 13 of forming ears）No more than The a quarter of the thickness of material strip 10, it is to avoid there is impression convex luxuriant root.Certainly, in other embodiments, holding pad 20 can also be Other shapes, such as oval, polygon, can also highly be more than a quarter of the thickness of material strip 10.

In this specific embodiment, show in order to avoid being caused convex bud to beat not high or convex luxuriant askew grade by the resistance of material pushing needle 14 As also including unloading block 15 and transmission rod 18, the unloading block 15 includes a bottom and both sides, and the bottom and sidepiece are Strip flat board, both sides are vertically set on the opposite end of upper base surface, constitute a U-shape structure, the bottom of the unloading block 15 Portion is arranged on below cavity plate 13 of forming ears, and the bottom of cavity plate 13 of forming ears is provided with groove 132 to make way for the bottom of unloading block 15, the top The bottom of material pin 14 is fixed on the upper base surface of unloading block 15, and the upper end of the transmission rod 18 connects with the bottom lower surface of unloading block 15 Touch, the liftout spring 19 is arranged on below transmission rod 18, the liftout spring 19 is arranged in lower seat board 8, the unloading block 15 both sides（Extension）The upper surface of concave template 6 is stretched out through concave template 6 and in die sinking.In raising bud, stripper 5 is first The top of the both sides of unloading block 15 and material strip 10 are pressed into the upper surface of concave template 6, the bottom of unloading block 15 will be pressed down, will The elastic force of liftout spring 19 is laid down, and material pushing needle 14 is in free state, and when material is squeezed into by punch-pin 11 of forming ears, material is just The smooth cavity plate 13 of forming ears that flows into forms convex bud, so by the resistance of material pushing needle 14 convex bud will not be caused to beat not high or convex bud askew Etc. phenomenon.

Further, in this specific embodiment, also including stopping plate high 4, the only plate high 4 is arranged on the upside of stripper 5.

Further, in this specific embodiment, also including guide pin bushing 17 and guide pillar 16, the part of the upper die, stripper 5 and under Mould part is positioned, is coupled by guide pin bushing 17 and guide pillar 16.

Further, in this specific embodiment, outer limited post 9 is provided between the part of the upper die and part of the lower die.

Further, in this specific embodiment, the lower seat board 8 is provided with lifter guide pin 12, the lifter guide pin 12 stretch out the upper surface of concave template 6 is positioned and is risen lift to treat blank band 10.Prior art is referred to, this is no longer described in detail.

Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should This is understood, not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details On the utility model can be made a variety of changes, be protection domain of the present utility model.

Claims (9)

1. it is a kind of to prevent the stamping mold heaved of convex luxuriant root, including upper base plate, upper padding plate, fixed plate, stripper, punch-pin of forming ears, Concave template, material pushing needle, liftout spring, lower bolster and lower seat board, it is characterised in that：The upper padding plate is arranged on upper base plate downside, The fixed plate is arranged on upper padding plate downside and constitutes part of the upper die, and the lower bolster is arranged on lower seat board, and the concave template sets Put and part of the lower die constituted on lower bolster, the stripper is arranged on upper base plate and on concave template by discharging spring, The punch-pin of forming ears is arranged in fixed plate, and the concave template is provided with the form ears cavity plate corresponding with punch-pin of forming ears, the top Material pin is arranged on forms ears in cavity plate, and is arranged on lower seat board by liftout spring, and the cutting edge of the cavity plate of forming ears is provided with one Around the holding pad of its outside.

It is 2. according to claim 1 to prevent the stamping mold that convex luxuriant root is heaved, it is characterised in that：The holding pad is protruded from Form ears cutting edge of die height no more than material strip thickness a quarter.

It is 3. according to claim 1 to prevent the stamping mold that convex luxuriant root is heaved, it is characterised in that：Also include unloading block and biography Power bar, the unloading block is arranged on below cavity plate of forming ears, and the material pushing needle bottom is fixed in unloading block, the transmission rod upper end Contacted with unloading block, the liftout spring is arranged on below transmission rod, the liftout spring is arranged in lower seat board, the discharging Block has the extension that concave template upper surface is stretched out through concave template and in die sinking.

It is 4. according to claim 1 to prevent the stamping mold that convex luxuriant root is heaved, it is characterised in that：Also include only plate high, institute State only plate high and be arranged on stripper upside.

It is 5. according to claim 1 to prevent the stamping mold that convex luxuriant root is heaved, it is characterised in that：The upper base plate, upper pad It is fixed by screws in together between plate and fixed plate.

It is 6. according to claim 1 to prevent the stamping mold that convex luxuriant root is heaved, it is characterised in that：The concave template, underlay It is fixed by screws in together between plate and lower seat board.

It is 7. according to claim 1 to prevent the stamping mold that convex luxuriant root is heaved, it is characterised in that：Also include guide pin bushing and lead Post, the part of the upper die, stripper and part of the lower die are positioned by guide pin bushing and guide pillar, connection.

It is 8. according to claim 1 to prevent the stamping mold that convex luxuriant root is heaved, it is characterised in that：The part of the upper die is with Outer limited post is provided between mould part.

It is 9. according to claim 1 to prevent the stamping mold that convex luxuriant root is heaved, it is characterised in that：The lower seat board is provided with Lifter guide pin, the lifter guide pin stretches out concave template upper surface to position material to be cut and risen lift.