CN219540638U

CN219540638U - Atomizing side nozzle for die casting die

Info

Publication number: CN219540638U
Application number: CN202320265489.XU
Authority: CN
Inventors: 苏伟
Original assignee: Weituo Die Casting Machinery Co ltd
Current assignee: Weituo Die Casting Machinery Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-08-18
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses an atomization side spray head for a die casting die, which comprises an outer spray nozzle, an inner spray nozzle arranged in the outer spray nozzle, wherein a liquid guide channel is arranged in the inner spray nozzle, an air cavity is formed in a gap between the outer spray nozzle and the inner spray nozzle, a first air guide channel communicated with the air cavity is arranged in the outer spray nozzle, an arc atomization mixing cavity is arranged on the peripheral wall of one end of the outer spray nozzle, and an air injection hole which is perpendicular to and communicated with the first air guide channel and a liquid injection hole which is perpendicular to and communicated with the liquid guide channel are arranged on the atomization mixing cavity. According to the utility model, the atomization mixing cavity is arranged on the peripheral wall of the outer nozzle, and the liquid and the gas are sprayed out along the vertical direction after being mixed by the atomization mixing cavity, so that the liquid atomization is more uniform, the structure is simple and convenient to assemble, the use of spare parts is reduced, the interior of a deep cavity or a side core-pulling die cavity can be effectively sprayed, and the production and accessory use cost is saved.

Description

Atomizing side nozzle for die casting die

Technical Field

The utility model relates to the technical field of die casting production, in particular to an atomization side nozzle for a die casting die.

Background

The die casting die needs to spray a release agent into the die cavity before die casting, and the release agent can help control the temperature in the die on one hand and help the demolding of castings on the other hand. In the actual die-casting production process, the release agent is often required to be sprayed on the inner surface of the die cavity by using spraying equipment, and in order to improve the spraying effect, the release agent is atomized by using an atomizing nozzle under the general condition, so that the spraying is more uniform.

The atomization device in the related art comprises a valve body, an atomization spray head arranged on the valve body, a liquid guide channel and an air guide channel which are arranged in the atomization spray head, wherein an air outlet of the air guide channel acts on a liquid outlet of the liquid guide channel, and air in the air guide channel blows off a release agent sprayed out of the liquid guide channel, so that atomization of the release agent is realized.

Aiming at the related technology, when the deep cavity or the side core-pulling die cavity is required to be sprayed, a 90-degree extension pipe is usually installed on the valve body, and the atomizing nozzle is installed at the end part of the extension pipe, so that the spraying direction of the atomizing nozzle is changed, the atomizing nozzle stretches into the core-pulling die cavity to spray the side surface of the die cavity, however, the size of the atomizing nozzle is increased in an intangible way due to the use of the bent extension pipe, and the structure has a large number of parts, so that the production cost is not facilitated, and the assembling process is complicated.

Disclosure of Invention

In order to overcome the defects, the utility model provides the atomizing side nozzle which is simple in structure, can be directly arranged on the valve body without using an extension pipe and can be used for a die casting die.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an atomizing side shower nozzle for die casting die, including outer nozzle, locate interior nozzle in the outer nozzle, be equipped with the liquid guide channel in the interior nozzle, outer nozzle with clearance between the interior nozzle is formed with the air cavity, set up in the outer nozzle with the first air guide channel of air cavity intercommunication, be equipped with curved atomizing mixing chamber on the periphery wall of outer nozzle one end, set up on the atomizing mixing chamber with the perpendicular and communicating fumarole of first air guide channel, and with the perpendicular and communicating hydrojet hole of liquid guide channel.

As a further improvement of the utility model, the number of the first air guide channels is at least two, the first air guide channels are symmetrically arranged about the central axis of the liquid guide channels, and the air outlet ends of the air injection holes are obliquely arranged towards the direction of the liquid injection holes.

As a further improvement of the utility model, a liquid buffer chamber is formed between the upper end face of the inner nozzle and the inner peripheral wall of the outer nozzle, and the liquid spraying hole is communicated with the liquid buffer chamber.

As a further improvement of the utility model, a sealing groove is arranged on the outer peripheral wall of one end of the inner nozzle, which is close to the liquid buffering chamber, and a sealing ring is arranged in the sealing groove and is abutted against the inner peripheral wall of the outer nozzle.

As a further improvement of the utility model, the other end of the outer nozzle is provided with a second air guide channel communicated with the air cavity, the other end of the inner nozzle is connected with a square seat, and four vertex angles of the square seat are abutted against the inner peripheral wall of the second air guide channel.

As a further improvement of the utility model, the inner nozzle further comprises a spherical inner ring arranged in the square seat, and the outer nozzle further comprises a spherical outer ring arranged outside the second air guide channel.

As a further improvement of the utility model, the first air guide channel is provided with steel balls in one end far away from the air cavity.

As a further improvement of the utility model, the inner nozzle is made of stainless steel, and the outer nozzle is made of copper.

The beneficial effects of the utility model are as follows: through set up the atomizing mixing chamber on outer nozzle's periphery wall, liquid and gas are mixed the back through the atomizing mixing chamber and are sprayed along vertical direction, make liquid atomizing more even fine and smooth, and simple structure, it is convenient to assemble, not only reduces the use of spare and accessory, can carry out effective spraying to the die cavity inside of dark chamber or side loose core moreover, practices thrift production and accessory use cost.

Drawings

FIG. 1 is a prior art cross-sectional view;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of an internal nozzle of the present utility model;

FIG. 4 is a schematic view of another view angle structure of the present utility model;

FIG. 5 is a cross-sectional view of the present utility model;

fig. 6 is a cross-sectional view of another aspect of the present utility model.

The following description is made with reference to the accompanying drawings:

001. a valve body; 002. an extension tube; 003. an atomizing nozzle; 004. a liquid supply spray bar; 1. an outer nozzle; 11. a first air guide channel; 12. an atomizing mixing chamber; 121. a gas injection hole; 122. a liquid spraying hole; 13. a second air guide channel; 14. a spherical outer ring; 2. an inner nozzle; 21. a liquid guide channel; 22. sealing grooves; 23. a square seat; 24. a spherical inner ring; 3. an air cavity; 4. a liquid buffer chamber; 5. a seal ring; 6. and (5) steel balls.

Detailed Description

A preferred embodiment of the present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1, an atomization device in the prior art comprises a valve body 001, an extension pipe 002 mounted on the valve body 001, and an atomization nozzle 003 ball-hinged to the front end of the extension pipe 002, wherein a liquid supply channel and a gas supply channel are provided on the valve body 001. Through setting extension pipe 002 to 90 right angle pipe to make atomizer 003's spraying direction change from the horizontal direction to vertical direction, make it carry out the spraying to the lateral wall of the die cavity of dark chamber or side loose core, but the space size increase of complicated, accessory many and atomizing device of structure.

In order to realize the integration and simplification of an atomization device, referring to fig. 2 to 6, an atomization side nozzle for a die casting die is provided, and is installed on a valve body 001 through a nut, the atomization side nozzle comprises an outer nozzle 1 and an inner nozzle 2 arranged in the outer nozzle 1, the outer nozzle 1 and the inner nozzle 2 are coaxially arranged, a liquid guide channel 21 is arranged in the inner nozzle 2, an air cavity 3 is formed in a gap between the outer nozzle 1 and the inner nozzle 2, a first air guide channel 11 communicated with the air cavity 3 is formed in the outer nozzle 1, an arc atomization mixing cavity 12 is arranged on the peripheral wall of one end of the outer nozzle 1, and an air injection hole 121 which is perpendicular to and communicated with the first air guide channel 11 and a liquid injection hole 122 which is perpendicular to and communicated with the liquid guide channel 21 are formed in the atomization mixing cavity 12. By arranging the outer nozzle 1 and the inner nozzle 2 in a tubular structure coaxially sleeved together, and the outer diameter of the inner nozzle 2 is smaller than the inner diameter of the outer nozzle 1, a gap between the outer nozzle 1 and the inner nozzle 2 forms an air cavity 3 capable of containing air. And the inner nozzle 2 is internally provided with a liquid guide channel 21 communicated with the liquid supply channel, and the flowing directions of the liquid guide channel 21 and the first air guide channel 11 are parallel to the axis of the outer nozzle 1, so that spray is sprayed along the vertical direction.

The number of the first air guiding channels 11 is at least two, and the air guiding channels are symmetrically arranged about the central axis of the liquid guiding channel 21, and the air outlet ends of the air spraying holes 121 are obliquely arranged towards the direction of the liquid spraying holes 122. Preferably, the atomization mixing chamber 12 is provided with a spray hole 122 and two spray holes 121 symmetrically arranged at two sides of the spray hole 122, so that the spraying direction of the liquid and the gas is perpendicular to the axis of the outer nozzle 1, and the spray is sprayed along the vertical direction. And the air injection direction of the air injection holes 121 is inclined towards the liquid injection direction, so that the injected air flow is intersected with the injected liquid, thereby effectively blowing off the liquid, enabling the liquid atomization to be more uniform, and improving the spraying quality of the spray head at the atomization side in the die cavity.

A liquid buffer chamber 4 is formed between the upper end surface of the inner nozzle 2 and the inner peripheral wall of the outer nozzle 1, and the liquid spray hole 122 communicates with the liquid buffer chamber 4. The liquid buffer chamber 4 can effectively prevent the liquid retained in the atomization mixing chamber 12 from flowing back into the outer nozzle 1 and blocking the nozzle of the inner nozzle 2. Meanwhile, a sealing groove 22 is formed in the outer peripheral wall of one end, close to the liquid buffer chamber 4, of the inner nozzle 2, a sealing ring 5 is arranged in the sealing groove 22, and the sealing ring 5 abuts against the inner peripheral wall of the outer nozzle 1. The sealing ring 5 prevents the hydraulic pressure in the liquid buffer chamber 4 from flowing back to the air chamber 3.

The other end of the outer nozzle 1 is provided with a second air guide channel 13 communicated with the air cavity 3, the other end of the inner nozzle 2 is connected with a square seat 23, and four vertex angles of the square seat 23 are abutted against the inner wall of the second air guide channel 13. The square seat 23 is used for limiting and fixing the inner nozzle 2 in the outer nozzle 1, and meanwhile, gaps between the periphery of the square seat 23 and the second air guide channel 13 enable the air cavity 3 to be communicated with the air supply channel of the valve body 001. The inner nozzle 2 further comprises a spherical inner ring 24 arranged in the square seat 23, and the spherical inner ring 24 is hinged with an end outer wall ball of the liquid supply spray rod 004. The outer nozzle 1 further comprises a spherical outer ring 14 arranged outside the second air guide channel 13. The outer wall of the spherical outer ring 14 is connected with the valve body 001 in a ball hinge manner. The ball hinged connection mode realizes the relative hinged rotation of the atomizing side nozzle and the valve body 001, so that the spraying range is wider, and the inner wall of the core-pulling die cavity is convenient to carry out omnibearing spraying.

The steel ball 6 is arranged in one end of the first air guide channel 11 far away from the air cavity 3, and the steel ball 6 serves as a valve body to effectively prevent air from flowing out of the first air guide channel 11.

The inner nozzle 2 is made of stainless steel, the hydrophilicity of the stainless steel can prevent the inner nozzle from being blocked, the outer nozzle 1 is made of copper, and copper is easy to process and shape.

According to the atomization side nozzle for the die casting die, the atomization mixing cavity is formed in the peripheral wall of the outer nozzle, and liquid and gas are sprayed out in the vertical direction after being mixed by the atomization mixing cavity, so that liquid atomization is more uniform, the structure is simple, assembly is convenient, use of spare parts is reduced, effective spraying can be performed on the inner part of a deep cavity or a side core-pulling die cavity, and production and part use cost is saved.

In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The foregoing description is only of a preferred embodiment of the utility model, which can be practiced in many other ways than as described herein, so that the utility model is not limited to the specific implementations disclosed above. While the foregoing disclosure has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model without departing from the technical solution of the present utility model still falls within the scope of the technical solution of the present utility model.

Claims

1. The utility model provides an atomizing side shower nozzle for die casting die, includes outer nozzle (1), locates interior nozzle (2) in outer nozzle (1), be equipped with liquid guide channel (21), its characterized in that in interior nozzle (2): the air-jet type air-jet engine is characterized in that an air cavity (3) is formed in a gap between the outer nozzle (1) and the inner nozzle (2), a first air guide channel (11) communicated with the air cavity (3) is formed in the outer nozzle (1), an arc-shaped atomization mixing cavity (12) is formed in the peripheral wall of one end of the outer nozzle (1), and an air hole (121) perpendicular to and communicated with the first air guide channel (11) and a liquid spraying hole (122) perpendicular to and communicated with the liquid guide channel (21) are formed in the atomization mixing cavity (12).

2. The atomizing side head for a die casting mold as set forth in claim 1, wherein: the number of the first air guide channels (11) is at least two, the first air guide channels are symmetrically arranged about the central axis of the liquid guide channel (21), and the air outlet ends of the air injection holes (121) are obliquely arranged towards the direction of the liquid injection holes (122).

3. The atomizing side head for a die casting mold as set forth in claim 1, wherein: a liquid buffer chamber (4) is formed between the upper end surface of the inner nozzle (2) and the inner peripheral wall of the outer nozzle (1), and the liquid spraying hole (122) is communicated with the liquid buffer chamber (4).

4. An atomizing side head for a die casting mold as set forth in claim 3, wherein: a sealing groove (22) is formed in the outer peripheral wall, close to one end of the liquid buffer chamber (4), of the inner nozzle (2), a sealing ring (5) is arranged in the sealing groove (22), and the sealing ring (5) abuts against the inner peripheral wall of the outer nozzle (1).

5. The atomizing side head for a die casting mold as set forth in claim 1, wherein: the other end of the outer nozzle (1) is provided with a second air guide channel (13) communicated with the air cavity (3), the other end of the inner nozzle (2) is connected with a square seat (23), and four top corners of the square seat (23) are abutted to the inner peripheral wall of the second air guide channel (13).

6. The atomizing side head for a die casting mold as set forth in claim 5, wherein: the inner nozzle (2) further comprises a spherical inner ring (24) arranged in the square seat (23), and the outer nozzle (1) further comprises a spherical outer ring (14) arranged outside the second air guide channel (13).

7. The atomizing side head for a die casting mold as set forth in claim 1, wherein: the first air guide channel (11) is provided with a steel ball (6) in one end far away from the air cavity (3).

8. The atomizing side head for a die casting mold as set forth in claim 1, wherein: the inner nozzle (2) is made of stainless steel, and the outer nozzle (1) is made of copper.