CN209452652U - A kind of blanking structure for stamping die - Google Patents

Abstract

The utility model discloses a kind of blanking structures for stamping die, enter son including the lower die on the formed punch being installed in the upper mold of mold and the lower die for being installed on mold, the formed punch can enter sub- movement relative to the lower die, the formed punch is equipped with first edge of a knife, first edge of a knife is equipped with lug boss, the lug boss extends along the direction of motion of the formed punch, the lower die enters son and is equipped with second edge of a knife cooperated with first edge of a knife, the lower die enters son equipped with the groove with the raised portion fits, the groove rushes cephalomotor direction through second edge of a knife along described, the lower die, which enters, is additionally provided with a guide part for being oriented to waste material on son, the guide part is located at the lower section of second edge of a knife.Scheme used by the utility model, can be to avoid in waste material blank operation, and waste material splashes, and avoids working site dirty and messy and personnel come to harm.

Description

A kind of blanking structure for stamping die

Technical field

The utility model relates to cold punching technology field, a kind of particularly blanking structure for stamping die.

Background technique

Traditional punching parts after the molding of front, stamping procedure, usually also need one of blank operation with Cut off the waste material of workpiece surrounding.As seen in figure la and lb, traditional blanking structure includes that mutually matched formed punch 1 and lower die enter son 2, formed punch 1 and lower die enter the generally straight edge of son 2, and it is easy to appear waste materials 3 disorderly to fly during cutting off waste material 3, leads Cause scene dirty and messy, and the waste material 3 to splash is also easy to hurt operating personnel.Currently, waste material 3 splashes in order to prevent, need Some cartons or iron sheet are bundled on mold or punching machine to block waste material 3, this mode had both made mold and punching machine irregular, and also made It obtains carton or iron sheet is easy to loosen in the course of work of mold and punching machine because being vibrated.

Utility model content

In order to overcome the defects of the prior art, the utility model embodiment provides a kind of punching for stamping die At least one of structure, be used to solve the above problems.

The embodiment of the present application discloses: a kind of blanking structure for stamping die, including being installed in the upper mold of mold Formed punch and the lower die that is installed in the lower die of mold enter son, the formed punch can enter sub- movement, the formed punch relative to the lower die Equipped with first edge of a knife, first edge of a knife is equipped with lug boss, and the lug boss extends along the direction of motion of the formed punch, described Lower die enters son and is equipped with second edge of a knife cooperated with first edge of a knife, and the lower die enters son and is equipped with and the raised portion fits Groove, the groove rush cephalomotor direction through second edge of a knife along described, and the lower die, which enters to be additionally provided with one on son, to be used for To the guide part that waste material is oriented to, the guide part is located at the lower section of second edge of a knife.

Specifically, the cross section of the lug boss is dovetail-shape.

Specifically, the cross section of the groove is dovetail-shape.

Specifically, the equal length of the length of the lug boss and the formed punch.

Specifically, the length of the direction of motion of second edge of a knife along the formed punch is between 3-4mm.

Specifically, the guide part is a guide groove, the guide groove includes bottom, the first side wall and second sidewall, institute It states the first side wall and the second sidewall is connect with the bottom respectively, the bottom is parallel with the direction of motion of the formed punch, The first side wall connects with second edge of a knife, and the second sidewall is equipped with fillet far from one end of the bottom.

The beneficial effects of the utility model are as follows: the blanking structure described in the utility model for stamping die, right When the waste material of punching parts is cut off, first edge of a knife and lug boss thereon combine and form the edge of a knife, and second edge of a knife and pass through The groove combination for wearing it forms the lower edge of a knife, and as formed punch is moved to the direction of lower die, upper and lower edge of a knife cooperation is to realize cutting for waste material Movement is cut, at this point, being also in other words the structure with upper edge of a knife profiling also has one at the shearing of waste material at the shearing of waste material Similar to the protruding parts of lug boss, and the lug boss of formed punch makes to give up by the protruding parts push-in groove for the waste material being sheared Material slides downwards along groove, then enters the guide part on son by lower die and be further oriented to waste material, keeps waste material orderly downward It slides, waste material is avoided to splash.

For the above and other objects, features and advantages of the utility model can be clearer and more comprehensible, preferable reality is cited below particularly Example is applied, and cooperates institute's accompanying drawings, is described in detail below.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 a is the schematic diagram for being used for the blanking structure of stamping die in the prior art；

Fig. 1 b is the operation schematic diagram for being used for the blanking structure of stamping die in the prior art；

Fig. 2 is the structural schematic diagram described in the utility model embodiment for the blanking structure of stamping die；

Fig. 3 a is the structural schematic diagram of formed punch described in the utility model embodiment；

Fig. 3 b is the top view of Fig. 3 a；

Fig. 4 a is the structural schematic diagram that lower die described in the utility model embodiment enters son；

Fig. 4 b is the top view of Fig. 4 a；

Fig. 5 is the operation schematic diagram described in the utility model embodiment for the blanking structure of stamping die.

The appended drawing reference of the figures above: 1- formed punch, 2- lower die enter son, first edge of a knife of 11-, 12- lug boss, the second knife of 21- Mouthful, 22- groove, 23- guide groove, the bottom 231-, 232- the first side wall, 233- second sidewall, 3- waste material.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In conjunction with shown in Fig. 2 to Fig. 4 b, the blanking structure of stamping die is used for described in the utility model embodiment, including The formed punch 1 being installed in the upper mold of mold and the lower die being installed in the lower die of mold enter son 2, and the formed punch 1 can be relative to institute It states lower die and enters 2 movement of son.Wherein, the formed punch 1 is equipped with first edge of a knife 11, and first edge of a knife 11 is equipped with lug boss 12, institute The direction of motion that lug boss 12 is stated along the formed punch 1 extends；The lower die enters son 2 and is equipped with the cooperated with first edge of a knife 11 Two edges of a knife 21, the lower die enter son 2 and are equipped with the groove 22 cooperated with the lug boss 12, and the groove 22 is along the formed punch 1 The direction of motion run through second edge of a knife 21, the lower die, which enters, is additionally provided with one for the guiding that is oriented to waste material 3 on son 2 Portion, the guide part are located at the lower section of second edge of a knife 21.

As shown in figure 5, by said mechanism, the blanking structure described in the utility model for stamping die is liquidating The waste material 3 of pressure part is when being cut off, and first edge of a knife 11 and lug boss 12 thereon combine and form the upper edge of a knife, and second edge of a knife 21 And the lower edge of a knife of the combination formation of groove 22 through it, as formed punch 1 is moved to the direction of lower die, upper and lower edge of a knife cooperation is useless to realize The shear action of material 3, at this point, being also in the structure with upper edge of a knife profiling at the shearing of waste material 3, in other words, at the shearing of waste material 3 Also there is the protruding parts for being similar to lug boss 12, and the lug boss 12 of formed punch 1 pushes away the protruding parts for the waste material 3 being sheared Enter in groove 22, slide waste material 3 downwards along groove 22, then the guide part on son 2 is entered by lower die, further waste material 3 is carried out Guiding slides waste material 3 orderly downwards, waste material 3 is avoided to splash.

Specifically, as shown in Figure 3a, the formed punch 1 is substantially in rectangular parallelepiped structure, have on a length direction namely formed punch 1 The direction of lower movement；One long side wall of the formed punch 1 is first edge of a knife 11, and the lug boss 12 is set to described first The intermediate position of the edge of a knife 11, and the equal length of the length of the lug boss 12 and the formed punch 1.As shown in Figure 3b, described convex The cross section for playing portion 12 is dovetail-shape, specifically, the lug boss 12 is greater than it far from the size of described first edge of a knife, 11 one end Size close to described first edge of a knife, 11 one end.Preferably, as shown in Figure 4 b, the lower die enters the transversal of the groove 22 on son 2 Face is also dovetail-shape, and size of the groove 22 close to described second edge of a knife, 21 one end is less than it far from second edge of a knife 21 1 The opening of the size at end, i.e., the described groove 22 is gradually reduced along the direction close to second edge of a knife 21.Using this swallow-tail form Structure, since 3 place of being sheared of waste material can also generate the swallowtail-shaped structure for being similar to lug boss 12, and due to the groove 22 Opening be gradually reduced along close to the direction of second edge of a knife 21, therefore, waste material 3 can not be horizontally detached from from groove 22, It could be detached from groove 22 after can only gliding in groove 22 along vertical direction, that is to say, the lug boss 12 of swallowtail-shaped structure It may insure that waste material 3 will not splash outward at the first time after being sheared with groove 22, but first slid downwards along groove 22, Continue to slide downwards by guide part again.Certainly, the cross section of the lug boss 12 can wait other in level side with rounded Upwards with the structure of certain position-limiting action.

Specifically, as shown in fig. 4 a, second edge of a knife 21 along the length h of the direction of motion of the formed punch 1 be 3-4mm it Between namely groove 22 length between 3-4mm.This length had both been able to satisfy movement when formed punch 1 enters 2 cooperation of son with lower die Amount, it is ensured that waste material 3 can be completely severed, and also avoided causing 3 sliding speed of waste material excessively slow since groove 22 is too long, caused waste material 3 It overstocks, influences the efficiency of the discharge of waste material 3.

Specifically, the guide part is a guide groove 23 as shown in Fig. 4 a and Fig. 5, the guide groove 23 includes bottom 231, the first side wall 232 and second sidewall 233, the first side wall 232 and the second sidewall 233 respectively with the bottom 231 connections, wherein the bottom 231 is parallel with the direction of motion of formed punch 1, in other words, the guide groove 23 and the groove 22 is parallel, and preferably, the depth of the guide groove 23 is greater than the depth of the groove 22, i.e., the bottom of the described guide groove 23 231 is more farther from second edge of a knife 21 than the bottom of the groove 22, so that can be with free-falling from the waste material 3 that groove 22 slides Enter in guide groove 23.The first side wall 232 connects with second edge of a knife 21, and the second sidewall 233 is far from the bottom 231 one end is equipped with fillet, in this way, when waste material 3 in groove 22 from sliding into guide groove 23 and slide along guide groove 23 to the When two side walls 233, it can continue to slide downwards after rounding off from the fillet, further avoid the splashing of waste material 3.

Specific embodiment is applied in the utility model to be expounded the principles of the present invention and embodiment, with The explanation of upper embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for this field Those skilled in the art, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, comprehensive Upper described, the content of the present specification should not be construed as a limitation of the present invention.

Claims (6)

1. a kind of blanking structure for stamping die, which is characterized in that including the formed punch being installed in the upper mold of mold and peace Lower die in lower die loaded on mold enters son, and the formed punch can enter sub- movement relative to the lower die, and the formed punch is equipped with the first knife Mouthful, first edge of a knife is equipped with lug boss, and the lug boss extends along the direction of motion of the formed punch, and the lower die enters son and sets There is second edge of a knife with first edge of a knife cooperation, the lower die enters son and is equipped with groove with the raised portion fits, described Groove rushes cephalomotor direction through second edge of a knife along described, and the lower die, which enters, is additionally provided with one for carrying out to waste material on son The guide part of guiding, the guide part are located at the lower section of second edge of a knife.

2. the blanking structure according to claim 1 for stamping die, which is characterized in that the cross section of the lug boss It is dovetail-shape.

3. the blanking structure according to claim 2 for stamping die, which is characterized in that the cross section of the groove is in Swallow-tail form.

4. the blanking structure according to claim 1 for stamping die, which is characterized in that the length of the lug boss with The equal length of the formed punch.

5. the blanking structure according to claim 1 for stamping die, which is characterized in that second edge of a knife is described in The length of the direction of motion of formed punch is between 3-4mm.

6. the blanking structure according to claim 1 for stamping die, which is characterized in that the guide part is a guiding Slot, the guide groove include bottom, the first side wall and second sidewall, the first side wall and the second sidewall respectively with it is described Bottom connection, the bottom is parallel with the direction of motion of the formed punch, and the first side wall connects with second edge of a knife, described Second sidewall is equipped with fillet far from one end of the bottom.