CN217252071U - A integrative mold core die block mould for punching press of monolithic jar - Google Patents

Abstract

The utility model discloses an integrated mold core bottom die for stamping a single-piece can, which comprises a valve core, wherein the valve core is arranged at the central position of the integrated mold core bottom die; the integrated mold core is wrapped outside the valve core, and the shape and the size of the integrated mold core are matched with those of the valve core; the rigid shell is wrapped outside the integrated mold core, and the shape and the size of the rigid shell are matched with those of the integrated mold core; the tube bottom cutting edge is arranged at the top of the integrated mold core, and the cross section of the tube bottom cutting edge is U-shaped. Has the beneficial effects that: the cutting edge abrasion can be eliminated, the aluminum pipe wall without defects is realized, the appearance of the product is improved, the manufacturing and maintenance process is simplified, and the precision is higher.

Description

A integrative mold core die block mould for punching press of monolithic jar

Technical Field

The utility model relates to a mold processing technology field particularly, relates to an integrative mold core die block mould for punching press of monolithic jar.

Background

With the demand of domestic market, aerosol cans are more and more widely applied. At present, a universal single-piece tank stamping bottom die is formed by press-fitting and combining a die ring, a die core and a valve core. The mold core and the mold ring are in interference fit, so that the requirement on an operator is high during assembly, and the cutting edge of the mold core is cracked due to improper operation; and the cutting edge of the mold core needs to be very sharp, the processing is difficult, and the yield is not high. In actual production, the cutting edge of the die core after press fitting is thin and easy to break, so that the produced product has defects and even is scrapped. Therefore, the integrated mold core bottom mold for stamping the single-piece can has good market prospect.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at overcoming current mould ring mold core assembly difficulty, processing is difficult, and the problem of easy damage in the production provides an integrative mold core structure, and complicated assembly and manufacturing process can be saved to this structure, convenient to use, mould life-span greatly increased to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an integrated mold core bottom die mold for stamping a single-piece can comprises a valve core, wherein the valve core is arranged at the central position of the integrated mold core bottom die mold;

the integrated mold core is wrapped outside the valve core, and the shape and the size of the integrated mold core are matched with those of the valve core;

the rigid shell is wrapped outside the integrated mold core, and the shape and the size of the rigid shell are matched with those of the integrated mold core;

the cutting edge at the bottom of the pipe is arranged at the top of the integrated mold core, and the cross section of the cutting edge at the bottom of the pipe is U-shaped.

Furthermore, the integral mold core is made of hard tungsten steel through sintering.

Further, the inner wall of the tube bottom edge of the integrated mold core is coated with a coating.

Furthermore, the pipe bottom cutting edge of the integrated mold core is rounded.

Furthermore, the cross section of the rigid shell is in a symmetrical polygon shape.

Compared with the prior art, the utility model discloses following beneficial effect has: the integrated die core is made of high-hardness tungsten steel (80-82.5HRC) materials, the outer ring is made of steel shells to offset stamping force, the inner part of the integrated die core is formed into a required bottom die shape according to an aluminum can, functions of a die ring forming tube wall and a die core forming tank bottom are integrated, a complex die core and die ring press-fit process is omitted during use, the integrated die core and the valve core are assembled and fixed, a punching head punches a blank to produce a required product, cutting edge abrasion can be eliminated, a defect-free aluminum tube wall is realized, the appearance of the product is improved, the manufacturing and maintenance process is simplified, and the precision is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an integrated mold core bottom die for stamping a single-piece can according to the embodiment of the present invention.

Reference numerals are as follows:

1. a valve core; 2. an integral mold core; 3. a rigid outer shell; 4. and a pipe bottom cutting edge.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, an integrated mold core bottom die mold for stamping a single-piece can according to an embodiment of the present invention includes a valve core 1, where the valve core 1 is disposed at a central position of the integrated mold core bottom die mold;

the integrated mold core 2 is wrapped outside the valve core 1, and the shape and the size of the integrated mold core 2 are matched with those of the valve core 1;

the rigid shell 3 is wrapped outside the integrated mold core 2, the shape and size of the rigid shell 3 are matched with those of the integrated mold core 2, and the outer ring is made of a steel shell 3 and used for offsetting stamping force;

and a tube bottom cutting edge 4 arranged at the top of the integrated mold core 2, wherein the cross section of the tube bottom cutting edge 4 is U-shaped.

Through the above technical scheme of the utility model, the material of integrative mold core 2 forms for the sintering of stereoplasm tungsten steel, becomes a whole with the diaphragm ring, very big reduction the risk that the blade collapses, the inner wall coating of 4 departments of pipe end blade of integrative mold core 2 has the coating, reduces to the resistance that the aluminum sheet formed, has increased the wearability and the life of mould, 4 rounding off of department of pipe end blade of integrative mold core 2, the cross sectional shape of rigid shell 3 is the polygon of symmetry.

When specifically using, traditional mould ring and mold core are combined together to integrative mold core 2, make the most fragile blade part change hard tungsten steel sintering into and form, become a whole with the mould ring, very big reduction the risk that the blade collapses, the reliability of product is improved, the mold core of integrative design is whole, behind the inner wall coating, the resistance to aluminum sheet shaping reduces, the wearability and the life of mould have been increased, and the aluminium jar surface of punching press can be more smooth moreover, the strain after having avoided the blade wearing and tearing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides an integrative mold core die block mould for punching press of monolithic jar which characterized in that includes:

the valve core (1), the said valve core (1) is set up in the central position of the die core die block mould of the integrative mould core;

the integrated mold core (2) is wrapped outside the valve core (1), and the integrated mold core (2) is matched with the valve core (1) in shape and size;

the rigid shell (3) is wrapped outside the integrated mold core (2), and the rigid shell (3) is matched with the integrated mold core (2) in shape and size;

the cutting edge (4) at the bottom of the pipe is arranged at the top of the integrated mold core (2), and the section of the cutting edge (4) at the bottom of the pipe is U-shaped.

2. The die core and bottom die mold for stamping the single-piece can as claimed in claim 1, wherein the material of the integral die core (2) is sintered from hard tungsten steel.

3. The integrated mold core bottom die mold for single-piece can stamping according to claim 1, characterized in that the inner wall of the integrated mold core (2) at the tube bottom cutting edge (4) is coated with a coating.

4. The die core and bottom die for stamping the single-piece can as claimed in claim 3, wherein the tube bottom cutting edge (4) of the integral die core (2) is rounded.

5. A one-piece core-bottom die for single-piece can stamping according to claim 1, wherein the cross-sectional shape of the rigid shell (3) is a symmetrical polygon.

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