CN213378845U

CN213378845U - Ejector pin for medium carbon steel pressing die convenient for die stripping

Info

Publication number: CN213378845U
Application number: CN202022280350.1U
Authority: CN
Inventors: 肖厚华
Original assignee: Shenzhen Sangching Mould Co ltd
Current assignee: Shenzhen Sangching Mould Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-08
Anticipated expiration: 2030-10-14

Abstract

The utility model provides a well carbon steel thimble for moulding-die convenient to demolding, which comprises an upper die, go up the mould groove, antiseized coating, the die cavity, a spring, the connecting plate, well carbon steel thimble and push pedal, it has seted up the mould groove to go up mould inner wall downside, it scribbles antiseized coating to go up the terminal surface outside the mould groove, it is provided with the die cavity to go up mould groove downside, terminal surface is fixed with the spring under the antiseized coating, the terminal surface is provided with the connecting plate under the spring, the terminal surface is provided with well carbon steel thimble under the connecting plate, the terminal surface is provided with the push pedal under the well carbon steel thimble, current mould thimble takes place the adhesion easily when the drawing of patterns has been solved in this design, lead to the drawing of patterns not in order not smooth problem that the finished product damaged easily.

Description

Ejector pin for medium carbon steel pressing die convenient for die stripping

Technical Field

The utility model relates to a well carbon steel thimble for moulding-die convenient to demolding belongs to product mould technical field.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

The existing finished product of the mold needs to be demolded after the completion, the demolding in the prior art mainly adopts ejector pins to demold, and in the demolding process, because the ejector pins have single functions, the product is easy to adhere to a front mold and is difficult to demold, so that the ejector pins for a medium carbon steel pressing mold convenient for demolding are urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art existence, the utility model aims at providing a well thimble for medium carbon steel moulding-die convenient to demolding to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the quick drawing of patterns of being convenient for prevents that the adhesion is difficult for taking off between finished product and the mould.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a thimble for a medium carbon steel pressing die convenient for die stripping comprises an upper die, a lower die and a mechanism convenient for die stripping, the lower end surface of the upper die is provided with a lower die, the inner part and the upper side of the lower die are provided with a mechanism facilitating die stripping, the convenient demolding mechanism comprises an upper mold groove, an anti-sticking coating, a cavity, a lower mold groove, an elastic soft belt, a spring, a connecting plate, a medium carbon steel thimble and a push plate, an upper die groove is arranged on the lower side of the inner wall of the upper die, the outer end surface of the upper die groove is coated with anti-sticking paint, a cavity is arranged at the lower side of the upper die groove, a spring is fixed on the lower end surface of the anti-sticking paint, a connecting plate is arranged on the lower end surface of the spring, an elastic soft belt is arranged on the upper side of the connecting plate, a medium carbon steel thimble is arranged on the lower end surface of the connecting plate, the lower end face of the middle carbon steel thimble is provided with a push plate, and the upper side of the inner wall of the lower die is provided with a lower die groove.

Further, the outer end face of the lower die groove is coated with anti-sticking paint.

Furthermore, the specifications of the upper die and the lower die are the same, and a cavity is formed between the inner parts of the upper die and the lower die.

Furthermore, the ejector pins are provided with a plurality of groups, and the plurality of groups of ejector pins are uniformly arranged between the connecting plate and the push plate.

Furthermore, four groups of springs, connecting plates and push plates are arranged, the specifications of the four groups of springs, the connecting plates and the push plates are the same, and the four groups of springs, the connecting plates and the push plates are symmetrically arranged at four corners inside the cavity.

Furthermore, the outer end faces of the four groups of push plates are coated with oil-repellent layers.

The utility model has the advantages that: the utility model discloses a well carbon steel thimble for moulding-die convenient to demolding, because of the utility model discloses added last mould groove, antiseized coating, die cavity, bed die groove, the soft area of elasticity, spring, connecting plate, well carbon steel thimble and push pedal, this design has solved current mould thimble and has taken place the adhesion easily when the drawing of patterns, leads to the drawing of patterns not in order smooth problem that the finished product damaged easily simultaneously, has improved the utility model discloses a smooth and easy nature of drawing of patterns.

Because of the outer terminal surface in bed die groove scribbles antiseized coating, this design prevents that finished product and mould from taking place the adhesion, leads to the drawing of patterns unsmooth, because of last mould and lower mould specification are the same, and go up and form the die cavity between mould and the lower mould is inside, this design is convenient for go up and form the finished product model between mould and the lower mould, and the finished product accurate molding of being convenient for is provided with the multiunit because of the thimble, and the multiunit thimble evenly sets up between connecting plate and push pedal, and this design is convenient for follow-up promotion push pedal for finished product and mould separation, the utility model discloses rational in infrastructure, the quick drawing of patterns.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a middle carbon steel ejector pin for a pressing mold, which is convenient for mold stripping of the present invention;

FIG. 2 is a front sectional view of a mechanism for facilitating stripping of a middle carbon steel ejector pin for a die of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;

in the figure: 1-upper die, 2-lower die, 3-mechanism for facilitating die stripping, 31-upper die groove, 32-anti-sticking coating, 33-cavity, 34-lower die groove, 35-elastic soft belt, 36-spring, 37-connecting plate, 38-medium carbon steel thimble, 39-push plate and 391-oil drainage layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a well thimble for medium carbon steel moulding-die convenient to demolding, includes mould 1, lower mould 2 and the demolding mechanism 3 of being convenient for, goes up 1 lower terminal surface of mould and is provided with

lower mould

2, and 2 insides of lower mould and upside are provided with the demolding mechanism 3 of being convenient for.

The demolding mechanism 3 comprises an upper mold groove 31, anti-adhesion coatings 32, a cavity 33, a lower mold groove 34, elastic soft strips 35, springs 36, a connecting plate 37, medium carbon steel thimbles 38 and a push plate 39, the upper mold groove 31 is formed in the lower side of the inner wall of the upper mold 1, the outer end face of the upper mold groove 31 is coated with the anti-adhesion coatings 32, the cavity 33 is formed in the lower side of the upper mold groove 31, the springs 36 are fixed on the lower end face of the anti-adhesion coatings, the connecting plate 37 is arranged on the lower end face of the springs 36, the elastic soft strips 35 are arranged on the upper side of the connecting plate 37, the medium carbon steel thimbles 38 are arranged on the lower end face of the medium carbon steel thimbles 38, the lower mold groove 34 is formed in the upper side of the inner wall of the lower mold 2, and the problem.

The outer terminal surface of lower mould groove 34 scribbles antiseized coating 32, this design prevents that finished product and mould from taking place the adhesion, lead to the drawing of patterns not smooth and easy, it is the same with 2 specifications of lower mould to go up mould 1, and go up and form die cavity 33 between mould 1 and the lower mould 2 is inside, this design is convenient for go up and forms the finished product model between mould 1 and the lower mould 2, the finished product accurate molding of being convenient for, the thimble is provided with the multiunit, and the multiunit thimble evenly sets up between connecting plate 37 and push pedal 39, this design is convenient for follow-up push pedal 39 that.

The springs 36, the connecting plates 37 and the push plates 39 are all provided with four groups, the specifications of the four groups of springs 36, the connecting plates 37 and the push plates 39 are the same, the four groups of springs 36, the connecting plates 37 and the push plates 39 are symmetrically arranged at four corners inside the cavity 33, the demolding efficiency is improved through the design, meanwhile, finished products are not easy to damage, oil-repellent layers 391 are coated on the outer end faces of the four groups of push plates 39, the finished products are prevented from being adhered to the push plates 39 through the design, and the demolding effect is.

As an embodiment of the present invention: when a finished product is manufactured by using a mold, because the volume of the finished product is large, the four groups of springs 36 and the elastic soft belt 35 are in a compression state, when a worker demolds the mold, the upper mold 1 is firstly pulled downwards, the pressure above the product is relieved, the springs 36 are weakened by the pressure, the stretching is started, the elastic soft belt 35 extends along with the elastic soft belt, the anti-sticking coating 32 and the oil drainage layer 391 on the outer end surface of the push plate 39 effectively prevent the finished product from being stuck with the inner wall of the cavity 33 and the push plate 39, then the finished product is separated from the upper mold 1 under the thrust of the push plate 39 and the self-gravity action, then the lower mold 2 is reversed, and the finished product is separated from the lower mold 2 under the thrust of the.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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

1. The utility model provides a well thimble for medium carbon steel moulding-die convenient to demolding, includes mould, lower mould and the demolding mechanism of being convenient for, its characterized in that: the lower end face of the upper die is provided with a lower die, and the inner part and the upper side of the lower die are provided with mechanisms facilitating die stripping;

the demolding mechanism of being convenient for includes mould groove, antiseized coating, die cavity, bed die groove, the soft area of elasticity, spring, connecting plate, well carbon steel thimble and push pedal, it has seted up the mould groove to go up mould inner wall downside, the outer terminal surface of going up the mould groove scribbles antiseized coating, it is provided with the die cavity to go up mould groove downside, the terminal surface is fixed with the spring under the antiseized coating, the terminal surface is provided with the connecting plate under the spring, the connecting plate upside is provided with the soft area of elasticity, the terminal surface is provided with well carbon steel thimble under the connecting plate, the terminal surface is provided with the push pedal under the well carbon steel thimble, the bed die groove has been seted up.

2. The ejector pin for the medium carbon steel pressing die convenient for demolding according to claim 1, wherein: and the outer end surface of the lower die groove is coated with anti-sticking coating.

3. The ejector pin for the medium carbon steel pressing die convenient for demolding according to claim 1, wherein: the upper die and the lower die are the same in specification, and a cavity is formed between the inner parts of the upper die and the lower die.

4. The ejector pin for the medium carbon steel pressing die convenient for demolding according to claim 1, wherein: the thimble is provided with the multiunit, and multiunit thimble evenly sets up between connecting plate and push pedal.

5. The ejector pin for the medium carbon steel pressing die convenient for demolding according to claim 1, wherein: the four groups of springs, the four groups of connecting plates and the four groups of push plates are arranged in the cavity, and are symmetrically arranged at four corners in the cavity.

6. The ejector pin for the medium carbon steel pressing die convenient for demolding according to claim 1, wherein: and oil-dredging layers are coated on the outer end surfaces of the four groups of push plates.