CN210080463U

CN210080463U - Blanking die and punch thereof

Info

Publication number: CN210080463U
Application number: CN201920728651.0U
Authority: CN
Inventors: 陈省炎
Original assignee: Dongguan Kin Yi Hardware Products Co Ltd
Current assignee: Dongguan Kin Yi Hardware Products Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-02-18
Anticipated expiration: 2029-05-20

Abstract

The utility model belongs to the technical field of the mould, especially, relate to a blanking mould and punching pin thereof, the blanking mould is including going into the son, the punching pin has two installation faces of relative setting, two the installation face is planar structure, be provided with at least one on the punching pin and run through two the perforation of installation face, the perforation supply the screw wear to establish and with go into the screw hole adaptation connection on the son. The beneficial effects of the utility model reside in that: when the punch is installed, the screw penetrates through the through hole and is in threaded connection with the threaded hole formed in the insert of the blanking die, so that the body can be in locking connection with the insert of the blanking die, and the punch and the insert are installed and fixed. The utility model discloses a this punching pin compares in the punching pin among the prior art, has reduced the design of hanging the platform, has so thoroughly avoided the emergence of snapping the phenomenon, improves the life of punching pin, is favorable to the development of enterprise.

Description

Blanking die and punch thereof

Technical Field

The utility model belongs to the technical field of the mould, especially, relate to a blanking mould and punching pin thereof.

Background

In the press production, a blanking die used for blanking is called a blanking die. The main task of the cutting die is to separate the material, on the premise that there are many different ways of sorting the cutting die. According to the process property, the blanking die can be divided into a blanking die, a punching die, a cutting die, a trimming die, a fine blanking die and the like.

The blanking die generally comprises an upper die, a lower die and a punch head arranged between the upper die and the lower die, wherein when the upper die and the lower die are closed, the punch head performs blanking on a product between the upper die and the lower die; since the punches adapted to different sized products are different, the punches need to be replaced when blanking different sized products.

The drift generally is "T" type, as shown in fig. 3, its both ends are equipped with respectively toward the outside extension hang the platform 4, be equipped with on the template of mould with hang a platform complex recess, the drift is connected with the template through hanging platform and recess cooperation, however this kind of drift among the prior art if receive great pulling force, its string platform can split very easily, leads to the drift to damage, and is out of use, leads to shutting down, reduces production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blanking mould and punching pin thereof, the punching pin that aims at solving among the prior art uses to hang the platform and fixes when going into on blanking mould's son, can't bear great pulling force and lead to hanging the platform technical problem of breaking easily.

In order to achieve the above object, the embodiment of the utility model provides a pair of punch is applicable to blanking die, blanking die is including going into the son, the punch has two installation faces of relative setting, two the installation face is planar structure, be provided with at least one on the punch and run through two the perforation of installation face, perforate supply the screw wear to establish and with go into the last screw hole adaptation connection of son.

Optionally, the number of the through holes is three, and the three through holes are uniformly arranged at intervals along the length direction of the mounting surface.

Optionally, three of said perforations are each at a different level.

Optionally, all three of the through holes are countersunk holes.

Optionally, a sliding groove for sliding fit with the insert is arranged on a side wall of the punch body perpendicular to the two mounting surfaces.

Optionally, the body of the punch comprises a cutting part for cutting a product and a connecting part for connecting with the insert; the two mounting surfaces are respectively formed on the upper end surface and the lower end surface of the connecting part, the through hole penetrates through the upper end surface and the lower end surface of the connecting part, the sliding groove is formed in a side wall perpendicular to the upper end surface and the lower end surface of the connecting part, and the cutting part is formed in the other side wall of the connecting part.

Optionally, another side wall of the connecting portion is provided with a forming rib extending away from the sliding groove, a plurality of grooves are hollowed out in another side wall of the connecting portion, and the cutting portion is formed by the grooves and the forming rib.

Optionally, the body of the punch is made of steel, and the connecting part and the cutting part are integrally formed through casting.

Optionally, the side wall of the forming rib is provided with a reinforcement rib for reinforcing the structural strength of the forming rib.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the punching pin have one of following technological effect at least: the utility model discloses a punch all designs into planar structure with the installation face that relative both ends set up on its body to set up at least one perforation that runs through two installation faces on the body, like this, when this punch of installation, adopt the screw to pass this perforation and with the threaded hole threaded connection who sets up on the income of blanking mould, so, the body can with the income of blanking mould locking connection, thereby it is fixed with the installation of going into the son to have accomplished the punch. The utility model discloses a this punching pin compares in the punching pin among the prior art. The design of hanging the platform has been reduced, prevents that the income that appears among the prior art through both sides hanging the platform and be connected with the mould is hung, hangs the platform and is broken easily when receiving great pulling force, and leads to the unable adaptation of punching pin to have the problem of great tensile blanking mould to appear, has so thoroughly avoided the emergence of breaking the phenomenon, improves the life of punching pin, is favorable to the development of enterprise.

In order to achieve the above object, an embodiment of the present invention provides a blanking die, including last mould and lower mould, be equipped with into the son in going up the mould, blanking die still includes foretell punch, the punch is located go up in the mould, just the punch passes through the screw passes perforate and with go into screw hole adaptation connection on the son.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the blanking mould have one of following technological effect at least: the utility model discloses a this blanking die, owing to use there is foretell punch, punch and go into being connected between the son like this can pass the perforation on the punch body through the screw and with the screw hole threaded connection who sets up on the income son of blanking die, so, the body of punch can with the income son locking connection of blanking die to it is fixed with the installation of income son to have accomplished the punch, and then can avoid the utility model discloses a phenomenon appears snapping when the installation of punch and income son of blanking die, improves the life of punch, is favorable to the development of enterprise.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a punch according to an embodiment of the present invention.

Fig. 2 is a top view of the punch of fig. 1.

Fig. 3 is a schematic structural diagram of a punch in the prior art.

Wherein, in the figures, the respective reference numerals:

1-mounting surface 120-reinforcing rib 10-through hole

11-chute 12-cutting part 13-connecting part

12 a-profiled rib 12 b-groove

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-2 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, when referring to the orientation or positional relationship indicated in the drawings, are used for convenience in describing the embodiments of the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second", and the like, when appearing, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," "fixed," and the like shall be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 2, a punch is provided, which is suitable for a blanking die, the blanking die includes an insert (not labeled), the punch has two mounting surfaces 1 disposed oppositely, both of the two mounting surfaces 1 are of a planar structure, at least one through hole 10 penetrating through the two mounting surfaces 1 is provided on the punch, and the through hole 10 is used for a screw to penetrate through and is in adaptive connection with a threaded hole on the insert; specifically, the utility model discloses a punch all designs into planar structure with the installation face 1 that relative both ends set up on its body to set up at least one perforation 10 that runs through two installation faces 1 on the body, like this, when this punch of installation, adopt the screw to pass this perforation 10 and with the threaded hole threaded connection who sets up on the income of blanking mould, so, the body can with the income of blanking mould sub-locking connection, thereby it is fixed with the installation of going into the son to have accomplished the punch. The utility model discloses a this punching pin compares in the punching pin among the prior art, has reduced the design of hanging the platform, prevents to appear among the prior art to hang the platform through both sides and is connected with the income of mould, is pulled apart easily when hanging the platform and receiving great pulling force, and leads to the unable adaptation of punching pin to have the problem appearance of great tensile blanking mould, has so thoroughly avoided the emergence of the phenomenon of pulling apart, improves the life of punching pin, is favorable to the development of enterprise.

In another embodiment of the present invention, as shown in fig. 1, the number of the through holes 10 is three, three the through holes 10 are uniformly spaced along the length direction of the mounting surface 1, and during installation, three the through holes are respectively provided for a screw to pass through, the screw is in threaded connection with the corresponding threaded hole provided on the insert of the blanking die, and a plurality of screws are adopted for locking, so that the punch and the insert are more firmly connected.

In another embodiment of the present invention, as shown in fig. 2, three of the through holes 10 are respectively located on different horizontal planes, so that the punch is stressed more uniformly during operation.

In another embodiment of the present invention, as shown in fig. 1, the through hole 10 is a countersunk hole, and the hole side of the countersunk hole can accommodate a screw head.

The utility model discloses a in another embodiment, as shown in fig. 1, the body of punching pin is perpendicular to two be equipped with on the lateral wall of installation face 1 be used for with go into sub sliding fit's spout 11, the punching pin passes through spout 11 with go into sub relative slip, realize that the template of blanking mould presses the product earlier, the punching pin tailors the product again, makes the product can tailor by compressing tightly under the fixed state, improves and tailors the effect.

In another embodiment of the present invention, as shown in fig. 2, the body includes a cutting portion 12 for cutting a product and a connecting portion 13 for connecting with the insert; the two mounting surfaces 1 are respectively formed on the upper end surface and the lower end surface of the connecting part 13, the through hole 10 penetrates through the upper end surface and the lower end surface of the connecting part 13, the sliding groove 11 is arranged on one side wall perpendicular to the upper end surface and the lower end surface of the connecting part 13, and the cutting part 12 is arranged on the other side wall of the connecting part 13.

In this embodiment, as shown in fig. 2, the other side wall of the connecting portion 13 is provided with a forming rib 12a extending away from the sliding chute 11, the other side wall of the connecting portion 13 is hollowed with a plurality of grooves 12b, and the grooves 12b and the forming rib 12a form the cutting portion 12; the number and the shape of the grooves 12b and the forming ribs 12a can be correspondingly adjusted according to the shape of a product in actual production; when the blanking die is closed, the bottom of the cutting part 12 is abutted against a product to be cut and matched with a knife edge of a lower die of the blanking die to cut the product, so that the product is formed.

In another embodiment of the present invention, as shown in fig. 2, the connecting portion 13 and the cutting portion 12 are made of steel, the connecting portion 13 and the cutting portion 12 are integrally formed by casting, and the structure of the body is more stable and less prone to deformation, so as to prolong the service life of the punch.

In another embodiment of the present invention, as shown in fig. 1, the sidewall of the forming rib 12a is provided with a reinforcing rib 120 for reinforcing the structural strength of the forming rib 12a, which is beneficial to improving the structural strength of the forming rib 12a, and prevents the forming rib 12a from deforming, affecting the cutting effect and affecting the product quality.

Another embodiment of the utility model provides a blanking die, including last mould and lower mould, it is provided with to go up the mould the punching pin, just the punching pin passes through the screw passes perforation 10 and with the screw hole adapter coupling on going into the son specifically, the utility model discloses a this blanking die, owing to use there is foretell punching pin, like this punching pin and the screw hole threaded connection who goes into being connected between the son and can pass perforation 10 on the punching pin body through the screw and set up on going into the son of blanking die, so, the body of punching pin can be with the income son locking connection of blanking die to it is fixed with the installation of going into the son to have accomplished the punching pin, and then can avoid the utility model discloses a phenomenon appears breaking in the time of punching pin and income son of blanking die, improves the life of punching pin, is favorable to the development of enterprise.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a punch, is applicable to blanking die, blanking die includes the income son, its characterized in that: the punch is provided with two opposite mounting surfaces, the two mounting surfaces are both of a planar structure, at least one through hole penetrating through the two mounting surfaces is formed in the punch, and a screw penetrates through the through hole to be connected with the threaded hole in the insert in an adaptive mode.

2. The punch as claimed in claim 1, wherein: the number of the through holes is three, and the three through holes are uniformly arranged at intervals along the length direction of the mounting surface.

3. The punch as claimed in claim 2, wherein: the three through holes are respectively positioned on different horizontal planes.

4. The punch as claimed in claim 3, wherein: the three through holes are all countersunk holes.

5. The punch according to any one of claims 1 to 4, wherein: and sliding grooves which are used for being in sliding fit with the insert are arranged on the side walls, perpendicular to the two mounting surfaces, of the punch body.

6. The punch as claimed in claim 5, wherein: the body of the punch comprises a cutting part for cutting a product and a connecting part for connecting with the insert; the two mounting surfaces are respectively formed on the upper end surface and the lower end surface of the connecting part, the through hole penetrates through the upper end surface and the lower end surface of the connecting part, the sliding groove is formed in a side wall perpendicular to the upper end surface and the lower end surface of the connecting part, and the cutting part is arranged on the other side wall of the connecting part.

7. The punch as claimed in claim 6, wherein: another lateral wall of connecting portion is equipped with dorsad the shaping rib that the spout extends, the opposite lateral wall fretwork of connecting portion has many recesses, the recess with the shaping rib constitutes the portion of tailorring.

8. The punch as claimed in claim 7, wherein: the body of the punch is made of steel, and the connecting part and the cutting part are integrally formed through casting.

9. The punch as claimed in claim 7, wherein: and reinforcing ribs for reinforcing the structural strength of the forming ribs are arranged on the side walls of the forming ribs.

10. A blanking die comprises an upper die and a lower die, wherein an insert is arranged in the upper die, and the blanking die is characterized by further comprising the punch as claimed in any one of claims 1 to 9, the punch is arranged in the upper die, and the punch is in adaptive connection with a threaded hole in the insert through the screw penetrating through the through hole.