CN207256821U - A kind of extrusion die - Google Patents

Abstract

The utility model embodiment discloses a kind of extrusion die, including sequentially connected die body, rebound, after-poppet, fore-stock, cylinder manifold, mouth mold and stock mould；There is confluence chamber inside the die body, the rebound, the after-poppet, the fore-stock and the cylinder manifold, cavity is provided with the mouth mold and the stock mould, corresponded in the mouth mold and the stock mould and be provided with docking facilities at the position of the cavity, the docking facilities include the annular projection being arranged in the mouth mold, and the annular recess docked with the annular projection being arranged on the stock mould.The extrusion die of the utility model embodiment, docking facilities are provided with position due to corresponding to the cavity in mouth mold and stock mould, avoid the damage caused by the collision of mouth mold and stock mould to the admitting pipe joint on stock mould in docking operation, and the phenomenon that can not be docked caused by collision.

Description

A kind of extrusion die

【Technical field】

Mould machine manufacturing technology field is the utility model is related to, more particularly to a kind of extrusion die.

【Background technology】

Mould is a kind of instrument for formed article, and mould realizes thing by the change of institute's moulding material physical state The processing of product shape, is the tools that embryo material has given shape under external force.The mould of different product needs different Part is formed, and can just produce satisfactory product.

Foaming extrusion mould of the prior art, is typically spliced into complete entirety, in stock mould by several parts On docking a side on be provided with admitting pipe joint, for into stock mould water flowing with complete in cavity shaping produce The conjunctiva of product, still,, on the one hand can be to water inlet pipe since mouth mold and the inevitable meeting of stock mould collide in docking operation Connector causes to damage, and on the other hand, by collision mouth mold and stock mould may be caused not to dock, so as to reduce production efficiency.

【Utility model content】

In view of this, it is overcome the deficiencies in the prior art, the utility model provides a kind of extrusion die, above-mentioned for solving Problems of the prior art.

To achieve the above object, the technical solution of the utility model is as follows：

A kind of extrusion die, including sequentially connected die body, rebound, after-poppet, fore-stock, cylinder manifold, mouth mold and fixed Pattern；There are confluence chamber, the mouth inside the die body, the rebound, the after-poppet, the fore-stock and the cylinder manifold Cavity is provided with mould and the stock mould, corresponds to and is provided with the position of the cavity pair in the mouth mold and the stock mould Connection device, the docking facilities include being arranged on annular projection in the mouth mold, and be arranged on the stock mould with The annular recess of the annular projection docking.

Further, the annular projection is gradually tapered up along outwardly extending direction, correspondingly, the annular recess along to The direction of sunken inside gradually tapers up.

Further, the length of the annular projection is more than the length of the annular recess.

Further, the rectangular cross-section ring of the annular projection, correspondingly, the rectangular cross-section of the annular recess Ring.

Further, the section of the annular projection is annulus, correspondingly, the section of the annular recess is annulus.

Further, the side contacted in the mouth mold with the stock mould is provided with elastic buffering mechanism.

Further, the side contacted on the stock mould with the mouth mold is provided with elastic buffering mechanism.

Further, the elastically damping device is set to rubber pad.

Further, telescopic resilience buffer unit includes Impactor and elastic component, and the Impactor passes through the elastic component It is arranged in the mouth mold.

The beneficial effects of the utility model are provided with the position due to corresponding to the cavity in mouth mold and stock mould Docking facilities, avoid in docking operation caused by the collision of mouth mold and stock mould to the admitting pipe joint on stock mould Damage, and the phenomenon that can not be docked caused by collision.

【Brief description of the drawings】

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, drawings in the following description are 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, other attached drawings can also be obtained according to these attached drawings.

Fig. 1 is the structure diagram of extrusion die of the prior art；

Fig. 2 is the die geometry schematic diagram of the extrusion die of the utility model embodiment one；

Fig. 3 is the structure diagram of the stock mould of the extrusion die of the utility model embodiment one；

Fig. 4 is the die geometry schematic diagram of the extrusion die of the utility model embodiment two；

Fig. 5 is the die geometry schematic diagram of the extrusion die of the utility model embodiment three；

Fig. 6 is the die geometry schematic diagram of the extrusion die of the utility model embodiment four.

【Embodiment】

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out 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 embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.

The utility model embodiment provides a kind of extrusion die, including sequentially connected die body, rebound, after-poppet, preceding Stent, cylinder manifold, mouth mold and stock mould；The die body, the rebound, the after-poppet, the fore-stock and the confluence Intralamellar part has confluence chamber, and cavity is provided with the mouth mold and the stock mould, institute is corresponded on the mouth mold and the stock mould To state and docking facilities are provided with the position of cavity, the docking facilities include the annular projection being arranged in the mouth mold, and The annular recess docked with the annular projection being arranged on the stock mould.

The extrusion die of the utility model embodiment, at the position due to corresponding to the cavity in mouth mold and stock mould Docking facilities are provided with, are avoided in docking operation caused by the collision of mouth mold and stock mould to the water inlet on stock mould The damage of pipe fitting, and the phenomenon that can not be docked caused by collision.

As shown in Figure 1, the structure diagram for extrusion die of the prior art.Including sequentially connected die body 1, transition Plate 2, after-poppet 3, fore-stock 4, cylinder manifold 5, mouth mold 6 and stock mould 7, and plug 9, between plug 9 and stock mould 7 formed with Cavity 10, is provided with cooling-water duct on stock mould 7.The die body 1, the rebound 2, the after-poppet 3, the fore-stock 4 and 5 wide setting of the cylinder manifold, the die body 1, the rebound 2, the after-poppet 3, the fore-stock 4 and the remittance There is confluence chamber inside flowing plate 5, the confluence chamber is connected with the cavity 10.Die body 1 connects the material extruder of outside, passes through institute State extruder and rapidoprint is conveyed into die body.

As one embodiment of the utility model, correspond in mouth mold and stock mould and be provided with the position of the cavity Docking facilities, the docking facilities include the annular projection being arranged in the mouth mold, and are arranged on the stock mould The annular recess docked with the annular projection.As shown in Fig. 2, the mouth mold knot of the extrusion die for the utility model embodiment one Structure schematic diagram.Fig. 3 is the structure diagram of the stock mould of the extrusion die of the utility model embodiment one.It is shown in Figure 2, institute State and annular projection 601 is provided with mouth mold 6, the size and shape of the inner ring of the annular projection 601 and the section of cavity 11 are cut Mouthful it is identical.Alternatively, size of the size of the inner ring of the annular projection 601 slightly larger than the section cut-outs of the cavity 11, but It is that the shape of the inner ring of annular projection 601 described in left-hand seat is identical with the shape of the section cut-outs of the cavity 11.The ring-type is convex Play 601 to gradually taper up along outwardly extending direction, specifically, the radius of the inner ring of the annular projection 601 is constant, the ring-type The outer radii of protrusion 601 gradually tapers up, and the outer radii of the annular projection 601 can be with uniform shrinkage, certainly, the ring-type The outer radii of protrusion 601 can not also uniform shrinkage, for example the amplitude that wherein opposite both sides are shunk is larger, in addition both sides Shrinkage amplitude is smaller, or each side can also each be shunk according to certain rule, makes the annular projection 601 from the appearance Similar to a taper platform.It should be noted that in the above-described embodiments, the rectangular cross-section ring of the annular projection 601.

Certainly, in the above-described embodiments, the section of the annular projection 601 can also be annulus, or elliptical ring.Such as figure It is the die geometry schematic diagram of the extrusion die of the utility model embodiment two shown in 4.In the present embodiment, with the ring-type The section of protrusion 601 can also be the scheme of the application to be illustrated exemplified by annulus.When section is annulus, the annular projection 601 also gradually taper up along outwardly extending direction, and due to being annulus when section, the annular projection 601 only has a side, institute With the side of, the annular projection 601 can with uniform shrinkage, can also by regions contract, such as, the annulus is angularly drawn It is divided into four regions, the side in each region is shunk according to certain rule, and which is not described herein again.When the annular projection 601 When section is elliptical ring, the shape of the annular projection 601 is similar when to the section of the annular projection 601 being annulus, here Repeat no more.

It is shown in Figure 3, annular recess 701 is provided with the stock mould 7, the annular recess 701 sets corresponding type At the position of chamber 11, the structure of the annular recess 701 and the structure of above-mentioned annular projection 601 match, and which is not described herein again.

In the above-described embodiments, due in mouth mold and the contact process of stock mould, annular projection 601 and annular recess 701 Gradually docking, the frictional force between annular projection 601 and annular recess 701 are alleviated the power in a part of docking operation, are alleviated The collision of mouth mold and admitting pipe joint, simultaneously as annular projection 601 and annular recess 701 match, avoids since collision is drawn The phenomenon that can not be docked risen.

As one embodiment of the utility model, on the basis of above-described embodiment, the length of the annular projection is big In the length of the annular recess, and when the length of the annular projection is more than the length of the annular recess, the ring The point of shape protrusion is matched with the shapes and sizes of the annular recess, and the bottom of the annular projection, i.e., connects with mouth mold The part connect is exposed between the mouth mold and the stock mould, and the part being exposed between the mouth mold and the stock mould Length is greater than or equal to the length of admitting pipe joint.

As another embodiment of the utility model, as shown in figure 5, the extrusion die for the utility model embodiment three Die geometry schematic diagram.In the present embodiment, 6 upper annular of the mouth mold protrusion 602 is correspondingly arranged with cavity 11, the mouth mold The side contacted on 6 with the stock mould is provided with elastic buffering mechanism 603, below with the section of mouth mold 6 similar to rectangle to this The scheme of application is illustrated, as shown in the figure, being each provided with an elastically damping device in four corners in the section of the mouth mold 6 603 are put, the elastic buffering mechanism 603 is used for the collision being buffered between mouth mold described in docking operation and the stock mould, On the one hand exempted from docking operation caused by the collision of mouth mold and stock mould to the damage of the admitting pipe joint on stock mould Wound, on the other hand, avoids the phenomenon that can not be docked caused by collision.

As an alternative embodiment of the utility model, above-mentioned elastic buffering mechanism 603 is rubber pad.Certainly, it is described Elastic buffering mechanism 603 can also be arranged on the side contacted on stock mould with the mouth mold, can obtain and above-described embodiment In, elastic buffering mechanism 603 is arranged on technique effect similar in the side contacted in mouth mold with the stock mould, no longer superfluous here State.

Fig. 6 is the die geometry schematic diagram of the extrusion die of the utility model embodiment four.In the present embodiment, it is arranged on Elastic buffering mechanism 603 in mouth mold 6 includes Impactor 6031 and elastic component 6032, and the Impactor 6031 passes through the elasticity Part 6032 is arranged in the mouth mold.Optionally, the Impactor 6031 is vulcanie block, and the elastic component 6032 is bullet Spring.By the elastic buffering mechanism 603, the collision due to mouth mold and stock mould in docking operation can be buffered, and then avoid Damage caused by collision to the admitting pipe joint on stock mould.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model Protection domain within.

Claims (9)

1. A kind of 1. extrusion die, it is characterised in that including sequentially connected die body, rebound, after-poppet, fore-stock, cylinder manifold, Mouth mold and stock mould；There is confluence inside the die body, the rebound, the after-poppet, the fore-stock and the cylinder manifold Cavity is provided with chamber, the mouth mold and the stock mould, the position of the cavity is corresponded in the mouth mold and the stock mould Place is provided with docking facilities, and the docking facilities include the annular projection being arranged in the mouth mold, and be arranged on it is described fixed The annular recess docked with the annular projection on pattern.
2. 2. extrusion die according to claim 1, it is characterised in that the annular projection is gradual along outwardly extending direction Shrink, correspondingly, the annular recess is gradually tapered up along the direction being recessed inwardly.
3. 3. extrusion die according to claim 1, it is characterised in that it is recessed that the length of the annular projection is more than the ring-type Sunken length.
4. 4. extrusion die according to any one of claims 1 to 3, it is characterised in that the section of the annular projection is square Shape ring, correspondingly, the rectangular cross-section ring of the annular recess.
5. 5. extrusion die according to any one of claims 1 to 3, it is characterised in that the section of the annular projection is circle Ring, correspondingly, the section of the annular recess is annulus.
6. 6. extrusion die according to claim 1, it is characterised in that one contacted in the mouth mold with the stock mould Side is provided with elastic buffering mechanism.
7. 7. the extrusion die according to claim 1 or 6, it is characterised in that contacted on the stock mould with the mouth mold Side be provided with elastic buffering mechanism.
8. 8. extrusion die according to claim 7, it is characterised in that the elastically damping device is set to rubber pad.
9. 9. extrusion die according to claim 7, it is characterised in that telescopic resilience buffer unit includes Impactor and elasticity Part, the Impactor are arranged in the mouth mold by the elastic component.