CN220880476U - High-efficiency cooling type flow dividing cone for high-pressure die and high-pressure die - Google Patents

Abstract

A high-efficient cooled reposition of redundant personnel awl and high-pressure die for high-pressure die utensil, the reposition of redundant personnel awl includes: the water tap is characterized by further comprising an internal waterway which is communicated with the water inlet and the water outlet to form an annular waterway, the internal waterway starts from the water inlet positioned at one side of the frustum portion and the sprue portion, and the internal waterway is finally communicated to the water outlet positioned at the other side of the frustum portion and the sprue portion along with the extension of the edges of the frustum portion, the sprue portion and the top of the tap body and surrounds the edges of the frustum portion and the other side of the sprue portion. The pressure casting die disclosed by the utility model can reduce the aluminum sticking condition of the split cone, avoid the demolding phenomenon of the material handle, improve the efficiency of casting products and reduce the cost.

Description

High-efficiency cooling type flow dividing cone for high-pressure die and high-pressure die

Technical Field

The utility model relates to the technical field of pressure casting, in particular to a high-efficiency cooling type split cone for a high-pressure die and the high-pressure die.

Background

The workpiece material handle needs to be cooled in the pressure casting process, and the wire cooling mode in the prior art is as follows: a spiral waterway is arranged in the shunt cone, and heat conduction is carried out in a circulating mode of water inlet and return, so that a workpiece material handle is cooled. For example, fig. 1 shows a three-dimensional schematic diagram of a conventional split cone of a high-pressure casting mold, which can be divided into a split cone body 1, an internal spiral water channel 2, a water inlet 3, a water outlet 4, a pouring gate part 5 and a frustum part 6, wherein during production, aluminum liquid enters from the pouring gate part 5 and flows out through the frustum part 6, in the process, cooling water enters the internal spiral water channel 2 in a straight cylinder space through the water inlet 3, finally flows out from the water outlet 4 through a plurality of spirals to complete one cycle, thereby cooling the pouring gate part 5 and the frustum part 6, and achieving the effect of cooling the aluminum liquid. Although the method is widely applied to high-pressure casting, the cooling method has the defects of poor aluminum adhesion resistance and corrosion resistance, and is limited by the current processing mode, and the waterway cannot meet the special-shaped structure of the split cone, so that the cooling area is uneven, the heat exchange efficiency is too low, aluminum adhesion is caused on the surface of the split cone, the cooling time is long, and the output efficiency is low.

Disclosure of utility model

In order to solve the problems, the utility model aims to provide the high-efficiency cooling type flow dividing cone for the high-pressure die, and the flow dividing cone is used for cooling a workpiece material handle through a following waterway in the flow dividing cone, so that the production beat can be shortened, the production efficiency can be improved, and the problems of aluminum sticking, material breakage and the like of the flow dividing cone can be solved.

According to an aspect of the present utility model, there is provided a high-efficiency cooling type tap for a high-pressure die, comprising: the water tap is characterized by further comprising an internal waterway which is communicated with the water inlet and the water outlet to form an annular waterway, the internal waterway starts from the water inlet positioned at one side of the frustum portion and the sprue portion, and the internal waterway is finally communicated to the water outlet positioned at the other side of the frustum portion and the sprue portion along with the extension of the edges of the frustum portion, the sprue portion and the top of the tap body and surrounds the edges of the frustum portion and the other side of the sprue portion.

Preferably, the water inlet is communicated with the annular waterway through a water inlet waterway, the annular waterway is communicated with the water outlet through a water outlet waterway, and the water inlet waterway and the water outlet waterway are respectively perpendicular to the bottom of the diverter cone.

Preferably, the distance between the water inlet channel and the water outlet channel is 25mm.

Preferably, in the internal waterway, the water inlet is used as a waterway section starting position, the water outlet is used as an end position, and the internal waterway is sequentially connected with: the water inlet path, the second water path section, the third water path section, the fourth water path section, the fifth water path section, the sixth water path section, the seventh water path section, the eighth water path section, the ninth water path section and the water outlet path, wherein the distance between the fifth water path section and the top surface of the diversion cone is 10-12 mm, the distance between the third water path section and the seventh water path section and the surface of the gate part is 10-12 mm, the distance between the second water path section and the eighth water path section and the surface of the frustum part is 10-12 mm, the distance between the sixth water path section and the fourth water path section and the outer surface of the diversion cone is 10-12 mm, and the distance between the ninth water path section and the outer surface of the diversion cone is 10-12 mm.

Preferably, the diameter of the waterway inside the diverter cone is 8mm.

Preferably, the inner waterway is symmetrically arranged at left and right sides in the tap with respect to a fifth waterway section positioned at one side of a top surface of the tap.

According to another aspect of the present utility model, there is provided a high pressure die comprising the above-described split cone.

Compared with the prior art, the high-pressure die has the following advantages: the traditional flow distribution cone is poor in cooling effect, high in surface temperature in the production process, serious in aluminum sticking, difficult in demolding of a material cake, influences aluminum liquid filling, thick in the material cake and long in cooling time. The 3D prints the diverging cone, its inside water route can be along with the type preparation, can realize even wall thickness, improve mould life-span, increase cooling area, can take away more heat in the same time to reduce surface temperature, solve and glue aluminium problem, and reduce the stub bar cooling time, shorten the production beat.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a three-dimensional schematic view of a conventional split cone of a high pressure casting die;

FIG. 2 is a three-dimensional schematic view of a 3D printed split cone of a high pressure casting die according to the present utility model;

FIGS. 3 (A) and (B) are respectively a conventional flow splitting cone and a cooling efficiency model flow analysis chart of a 3D printing flow splitting cone according to the utility model;

FIGS. 4 (C) and (D) are respectively a solidification efficiency model flow analysis chart of a conventional diversion cone and a 3D printing diversion cone according to the present utility model;

FIG. 5 is a pictorial view of a 3D printed tap blank of the present utility model;

FIG. 6 is a mounting physical diagram of the 3D printing diversion cone finished product of the utility model;

FIG. 7 is a schematic diagram of a temperature detection prior to on-site production and spraying of a conventional cone splitter;

FIG. 8 is a schematic diagram of the temperature detection prior to on-site production and spraying of the 3D printed tap of the present utility model;

FIG. 9 is a schematic diagram of an in-situ production post-spray temperature detection of a conventional tap;

fig. 10 is a schematic diagram of post-field production spray coating temperature detection of a 3D printed tap of the present utility model.

Detailed Description

Exemplary embodiments of the present utility model are described in detail below with reference to the attached drawings. The exemplary embodiments described below and illustrated in the drawings are intended to teach the principles of the present utility model to enable one skilled in the art to make and use the present utility model in a number of different environments and for a number of different applications. The scope of the utility model is therefore defined by the appended claims, and the exemplary embodiments are not intended, and should not be considered, as limiting the scope of the utility model. Moreover, for ease of description, where like elements are designated by like or similar reference numerals throughout the several views, the dimensions of the various parts shown are not necessarily drawn to scale, and references to orientation, such as longitudinal direction of the body, and orientation or positional relationship indicated above, below, left, right, top, bottom, etc., are all based on the orientation or positional relationship shown in the drawings, merely for ease of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model. The following description of the embodiments emphasizes the differences between the embodiments, and the same or similar features may be referred to each other, so that for brevity, technical features in different embodiments may be freely combined to form more embodiments according to design requirements without conflict.

The high-pressure casting mold of the embodiment of the present utility model is described below with reference to fig. 2 to 10 in combination with the embodiment.

The 3D printing split cone for a high pressure casting die according to the present utility model, as shown in fig. 2 and 5, includes: the aluminum liquid enters from the pouring gate part 15 and flows out from the frustum part 16 during production, in the process, cooling water enters from the water inlet 13, enters the annular waterway 12 from the water inlet 17, passes through the annular waterway 12, passes through the water outlet 18 and finally flows out from the water outlet 14 to finish one cycle.

At the bottom of the tap body 11, the water inlet 13 and the water outlet 14 are located at two sides of the frustum portion 16 opposite to each other, and an internal waterway structure between the two is as follows: the waterway is a shape surrounding shape along with the shape of the diversion cone, and extends from the right side of the frustum portion 16 along with the edges of the frustum portion 16, the gate portion 15 and the top of the diversion cone body 11, surrounds the left side edges of the frustum portion 16 and the gate portion 15 and finally is communicated with the water outlet 14, thereby a plurality of water sections are sequentially connected in series in the internal waterway: the water intake path 17→the second water path 21→the third water path 20→the fourth water path 27→the fifth water path 19→the sixth water path 22→the seventh water path 25→the eighth water path 26→the ninth water path 23→the water outlet path 18, wherein these water paths are preferably arranged substantially symmetrically to constitute the entire cooling circulation path, for example, the above-mentioned internal water paths are arranged symmetrically on the left and right sides in the tap with respect to the fifth water path 19 located on the top surface side of the tap. The water inlet 13 is taken as a water path section starting position, the water outlet 14 is taken as an end position, the distance between a water inlet 17 which is vertical to the bottom of the diversion cone and is positioned on one side of the water inlet 13 and a water outlet 18 which is positioned on one side of the water outlet 14 is 25mm, the distance between a fifth water path section 19 and the top surface of the diversion cone is 10-12 mm, the distance between a third water path section 20 and a seventh water path section 25 and the surface of the gate part 15 is 10-12 mm, the distance between a second water path section 21 and an eighth water path section 26 and the surface of the frustum part 16 is 10-12 mm, the distance between a sixth water path section 22 and a fourth water path section 27 and the outer surface 24 of the diversion cone is 10-12 mm, and the distance between a ninth water path section 23 and the outer surface 24 of the diversion cone is 10-12 mm.

Compared with the traditional mode, the mode has the advantages that the wall thickness is uniform, the alternation of cold and heat in production and use is prevented, the internal stress is concentrated, fatigue and cracking are avoided, meanwhile, the water channel distribution is not limited by traditional machining, the water channels are distributed layer by layer in a surrounding mode, and the heat exchange area is improved by five times.

Fig. 3 is a schematic flow analysis diagram of cooling efficiency of a conventional tap and a 3D printing tap according to the present utility model, cooling for the same time under the same water inlet pressure, and the surface temperature (233.9-400 ℃) of the 3D printing tap is about 100 ℃ lower than that of the conventional tap (400-500 ℃).

Fig. 4 is a schematic flow analysis chart of the solidification efficiency of the conventional tap and the 3D printing tap according to the present utility model, and the 3D printing tap runner solidification time (center solidification time: 24.976-31.130S) is reduced by about 15 seconds compared with the conventional tap (center solidification time: 38.980-49.211S) under the same water inlet pressure, which indicates that the cooling effect is better.

Fig. 5 is a 3D printed split cone blank physical diagram of the high pressure casting die of the utility model.

Fig. 6 is a 3D printed split cone finished product installation physical diagram of the high-pressure casting die of the utility model, and a blank product is arranged in a corresponding high-pressure casting die after the allowance is removed.

Fig. 7 is a schematic diagram of temperature detection before on-site production and spraying of a conventional split cone, wherein the average temperature is 199.2 ℃.

Fig. 8 is a schematic diagram of temperature detection before on-site production and spraying of a 3D printed tap, with an average temperature of 88.0 ℃ reduced by 111.2 ℃ compared to a conventional tap.

Fig. 9 is a schematic diagram of an on-site production spray coating temperature detection of a conventional split cone with an average temperature of 162.9 ℃.

Fig. 10 is a schematic diagram of an in-situ production post-spray temperature detection of a 3D printed tap, with an average temperature of 68.5 ℃ reduced by 94.4 ℃ compared to a conventional tap.

Preferably, the high-pressure casting die comprises the flow dividing cone and the internal following waterway thereof, wherein the diameter of the waterway is 8mm, and the flow dividing cone and the following waterway are made of special die steel powder materials for 3D printing.

3D printing (3D printing, also known as additive manufacturing, additive manufacturing) is a technology for constructing objects by means of layer-by-layer printing using a bondable material such as powdered metal or plastic based on digital model files, which was originally proposed in the middle of the 80 s of the 20 th century. 3D printing is often used in the fields of mold manufacturing, industrial design, etc. to manufacture models, and then gradually used for direct manufacturing of some products, which has profound effects on the traditional process flow, production line, factory mode, and industrial chain combination, and is a representative subversion technology in the manufacturing industry.

In some embodiments, by shortening the cooling time 6s, reducing the beat, continuously producing 20 dies, collecting the die temperature, and comparing the case of a normal tap without decreasing the beat: it can be seen that before and after spraying, the cooling effect of the 3D printing diversion cone is obviously better than that of the common diversion cone, and the cooling effect can be reduced by about 100 ℃.

In some embodiments, the 3D printing split cone is continuously produced 3.5 ten thousand times on machine, the split cone state is good, the product quality is stable, the production beat is shortened, the output is improved by 8.7%, and the service life and the efficiency are continuously improved.

In some embodiments, the diverter cone adopts surface shot blasting and ADT coating technology, so that the surface hardness and roughness are improved, the internal stress is removed, the anti-aluminum corrosion resistance effect is achieved, and the service life of the diverter cone is prolonged.

Compared with the prior art, the high-pressure casting die has the following advantages: the traditional flow distribution cone is poor in cooling effect, high in surface temperature in the production process, serious in aluminum sticking, difficult in demolding of a material cake, influences aluminum liquid filling, thick in the material cake and long in cooling time. The 3D prints the diverging cone, its inside water route can be along with the type preparation, can realize even wall thickness, improve mould life-span, increase cooling area, can take away more heat in the same time to reduce surface temperature, solve and glue aluminium problem, and reduce the stub bar cooling time, shorten the production beat.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly, as they may be fixed, removable, or integral, for example; can be mechanically or electrically connected; the two adjacent waterways can be directly connected or indirectly connected through an intermediate medium, for example, two adjacent waterways in series can be directly connected in a communicating way, or can be mutually connected through another waterway with a following shape (also called a following shape), and can be the communication between the two elements or the interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. While the utility model has been described with reference to various specific embodiments, it should be understood that numerous changes could be made within the spirit and scope of the inventive concepts described. Accordingly, it is intended that the utility model not be limited to the described embodiments, but that it have the full scope defined by the language of the following claims.

Claims (7)

1. A high efficiency cooled diverter cone for a high pressure die comprising: the water diversion cone is characterized by further comprising an internal waterway which is communicated with the water inlet (13) and the water outlet (14) to form an annular waterway (12), the internal waterway starts from the water inlet (13) positioned at one side of the frustum portion (16) and the sprue portion (15), and extends along with the edges of the tops of the frustum portion (16), the sprue portion (15) and the diversion cone body (11), surrounds the edges of the other sides of the frustum portion (16) and the sprue portion (15), and finally is communicated to the water outlet (14) positioned at the other sides of the frustum portion (16) and the sprue portion (15).

2. The tap according to claim 1, characterised in that the water inlet (13) communicates with the annular waterway (12) via a water inlet channel (17), the annular waterway (12) communicates with the water outlet (14) via a water outlet channel (18), the water inlet channel (17) and the water outlet channel (18) being respectively perpendicular to the tap bottom.

3. A tap according to claim 2, characterised in that the distance between the inlet channel (17) and the outlet channel (18) is 25mm.

4. The tap according to claim 1, wherein in the internal waterway, the water inlet (13) is used as a waterway section starting position, the water outlet (14) is used as an end position, and the tap is sequentially connected in series with: the water inlet path (17), the second water path (21), the third water path (20), the fourth water path (27), the fifth water path (19), the sixth water path (22), the seventh water path (25), the eighth water path (26), the ninth water path (23) and the water outlet path (18), wherein the fifth water path (19) is 10-12 mm away from the top surface of the diversion cone, the third water path (20) and the seventh water path (25) are 10-12 mm away from the surface of the pouring part (15), the second water path (21) and the eighth water path (26) are 10-12 mm away from the surface of the frustum part (16), the sixth water path (22) and the fourth water path (27) are 10-12 mm away from the outer surface (24) of the diversion cone, and the ninth water path (23) is 10-12 mm away from the outer surface (24) of the diversion cone.

5. The tap of claim 1 wherein the internal waterway diameter is 8mm.

6. The tap according to claim 4, characterised in that the internal waterway is arranged symmetrically to the left and right in the tap with respect to a fifth water path section (19) located on one side of the tap's top surface.

7. A high pressure die comprising a tap as claimed in any one of claims 1 to 6.