CN209953784U

CN209953784U - Casting cooling spray head device

Info

Publication number: CN209953784U
Application number: CN201822172368.2U
Authority: CN
Inventors: 陈文斌; 陆纪荣
Original assignee: WUXI LIHU CASTING INDUSTRY Co Ltd
Current assignee: Wuxi Lihu New Quality Energy Saving Technology Co ltd
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2020-01-17
Anticipated expiration: 2028-12-21

Abstract

The utility model discloses a foundry goods cooling shower nozzle device belongs to shower nozzle equipment field. The casting cooling sprayer device comprises a water pipe, a mixing cavity is arranged at the water outlet end of the water pipe, an air pipe communicated with the mixing cavity is arranged on the water pipe, a first sprayer communicated with the inner wall of the water outlet end of the water pipe is in threaded connection, the first sprayer is in a horn shape, a rib plate is arranged in the middle of the first sprayer along the radial direction, a second sprayer is in threaded connection with the rib plate, the top of the second sprayer extends upwards into the mixing cavity and is spaced from the mixing cavity, the first sprayer extends downwards from the bottom of the second sprayer and is in a horn shape, and the second sprayer is provided with a bottom surface provided with a plurality of spray holes. The utility model provides a fixed scope of spraying of general shower nozzle can not be adjusted, long-time the use can block up the shower nozzle and be difficult to change to and the not good problem of atomization effect when water pressure is unstable, improved cooling efficiency and reduced the maintenance cost.

Description

Casting cooling spray head device

Technical Field

The utility model relates to a shower nozzle equipment field, concretely relates to foundry goods cooling shower nozzle device.

Background

In the casting cooling equipment in the related technology, in the normalizing and cooling stage of the casting, the casting is generally heated to be 30-50 ℃ above the critical temperature in order to eliminate the internal stress, and after the temperature is kept for a proper time, the casting is cooled in static air, so that the cooling speed is too slow; in order to accelerate the cooling speed, water mist is sprayed on the surface of the casting, but generally, the casting is different in size, the local cooling speed of the casting is inconsistent due to poor atomization effect, and the internal stress of the casting cannot be completely removed to form waste products; the cooling spray nozzle of the common casting is easy to block and has poor cooling effect.

SUMMERY OF THE UTILITY MODEL

Problem to among the prior art, the utility model provides a foundry goods cooling shower nozzle device, the technical problem that solve are that the foundry goods is not of uniform size, and there is the residue on the surface, and general cooling shower nozzle is fixed to be sprayed the scope and can not be adjusted, because the environment is abominable, the more long-time use of air floating dust can block up the shower nozzle and be difficult to change to and the not good problem of atomization effect when water pressure is unstable.

For solving the above technical problem, the technical scheme of the utility model is that:

the casting cooling sprayer device comprises a water pipe, wherein a mixing cavity is arranged at the water outlet end of the water pipe, an air pipe communicated with the mixing cavity is arranged on the water pipe, a first sprayer communicated with the inner wall of the water outlet end of the water pipe is in threaded connection with a first sprayer, a sealing ring is clamped between the first sprayer and the first sprayer, a rib plate is arranged in the middle of the first sprayer along the radial direction, a second sprayer is in threaded connection with the rib plate, the top of the second sprayer extends upwards into the mixing cavity, a gap is reserved between the second sprayer and the mixing cavity, the first sprayer extends downwards from the bottom of the second sprayer and is horn-shaped, and the second sprayer is provided with a bottom surface provided with a.

The inner wall of the water pipe is provided with a filter screen along the radial direction.

The outer wall ring of water pipe is equipped with the condenser pipe, and the condenser pipe upper end is equipped with the export, and the lower extreme is equipped with the entry.

The inner peripheral wall of the mixing chamber is threaded.

The air pipe is arranged on the water pipe in an upward inclined manner, and an air flow valve is arranged on the air pipe.

The included angle between the air pipe and the water pipe is 0-45 degrees.

The neck of the second nozzle is provided with a spherical lug, and the outer diameter of the spherical lug is not less than the inner diameter of the water outlet of the mixing cavity.

The cross-section of the bottom end of the second spray head is smaller than that of the first spray head.

Compared with the prior art, the utility model beneficial effect who has is: the utility model discloses a shower nozzle is difficult for blockking up, and quick detachable easy maintenance can cool off sooner, can spray water, fog dual-purpose, can adjust according to the foundry goods size and spray the scope, can effectively clear up the impurity on foundry goods surface through improving atmospheric pressure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the invention, in which:

the utility model discloses there is following figure:

FIG. 1 is a schematic view of the present invention;

fig. 2 is a sectional view taken along a-a in fig. 1.

In the figure: 1-water pipe, 2-filter screen, 3-air pipe, 4-mixing chamber, 5-first nozzle, 51-ribbed plate, 6-airflow valve, 7-outlet, 8-inlet, 9-sealing ring, 10-second nozzle, 11-condenser pipe, 12-spherical projection.

Detailed Description

As shown in figures 1 and 2, the casting cooling spray head device comprises a water pipe 1, a mixing cavity 4 is arranged at the water outlet end of the water pipe 1, an air pipe 3 communicated with the mixing cavity 4 is arranged on the water pipe 1, a first spray head 5 communicated with the inner wall of the water outlet end of the water pipe is connected with the inner wall of the water pipe in a threaded manner, the first spray head 5 is in a horn shape, a ribbed plate 51 is arranged at the middle part of the first spray head 5 along the radial direction, a second spray head 10 is connected on the ribbed plate 51 in a threaded manner, the top part of the second spray head 10 extends upwards into the mixing cavity 4, and a gap is reserved between the first nozzle and the mixing cavity 4, the bottom of the second nozzle 10 extends downwards to form a first nozzle 5, the second spray head is horn-shaped, the second spray head is provided with a bottom surface provided with a plurality of spray holes, the neck of the second spray head 10 is provided with a spherical lug 12, the outer diameter of the spherical lug 12 is not less than the inner diameter of the water outlet of the mixing cavity 4, and the cross section of the bottom end of the second spray head 10 is smaller than that of the bottom end of the first spray head 5. An operator manually rotates the second spray head 10 according to the size of the casting to enable the second spray head to move in the vertical direction to control the gap between the second spray head 10 and the first spray head 5, so that the spraying range of the spray head is adjusted, specifically, the gap between the first spray head 5 and the second spray head 10 can be reduced by rotating the second spray head upwards, and most of water mist is sprayed out of the second spray head 10 so that the spraying range is reduced; the second nozzle 10 is rotated downwards to enlarge the gap between the first nozzle 5 and the second nozzle 10, so that the water mist is uniformly sprayed through the gap and the second nozzle 10, and the spraying range is enlarged; the second nozzle 10 can be detached from the lower part of the first nozzle 5 by rotating and moving the second nozzle 10 downwards to a position away from the threaded connection, so that the second nozzles with different bottom surface types can be replaced conveniently.

The inner wall of the water pipe 1 is provided with the filter screen 2 along the radial direction, which can effectively filter the impurities in the liquid and prevent the nozzle from being blocked.

The outer wall ring of water pipe 1 is equipped with condenser pipe 11, and 11 upper ends of condenser pipe are equipped with export 7, and the lower extreme is equipped with entry 8, and the operator can let in coolant from entry 8 and flow out from export 7 again, and coolant can specifically be liquid nitrogen, dry ice to and the temperature is than the gas or the liquid that the liquid temperature in the water pipe 1 is lower, thereby the heat in the circulation absorption water pipe 1 makes its fully cooling.

The internal perisporium of mixing chamber 4 is the screw thread form, and the contained angle of trachea 3 and mixing chamber 4 is between 0 to 45, and the 3 gas outlets of trachea aim at the screw thread perisporium of mixing chamber 4, thereby reach abundant atomization effect with 3 spun gaseous intensive mixing of trachea in order to increase the dwell time of rivers swirl in mixing chamber 4, and 3 spun gases of trachea can be air or some foundry goods protective gas argon gas, helium, nitrogen gas.

The air pipe 3 is obliquely arranged on the water pipe 1, the air pipe 3 is provided with an airflow valve 6, and an operator can adjust the air inflow through adjusting the airflow valve to change the atomization concentration.

During normalizing spraying operation, an operator opens the airflow valve 6, air is introduced into the air pipe 3, a gap between the first spray head 5 and the second spray head 10 is adjusted according to the size of a casting, water is introduced into the water pipe 1 downwards, liquid nitrogen is introduced from an inlet 8 at the bottom of the condensation pipe 11 finally, the liquid nitrogen flows out from an outlet 7 at the upper end of the condensation pipe 11 after circulating for a circle, so that the water in the water pipe 1 is fully cooled, and the water and the air are fully mixed in the mixing cavity 4 and then are fully atomized through the second spray head 10 and the first spray head 5 and then are sprayed out; during water spraying operation, an operator closes the airflow valve 6, adjusts the gap between the first spray head 5 and the second spray head 10 according to the size of an object to be cooled, then downwards leads water into the water pipe 1, finally leads in liquid nitrogen from an inlet 8 at the bottom of the condensation pipe 11, and leads the liquid nitrogen to flow out from an outlet 7 at the upper end of the condensation pipe 11 after circularly flowing for a circle, so that the water in the water pipe 1 is fully cooled, and then the cooling water is sprayed out through the second spray head 10 and the first spray head 5.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

Claims

1. Foundry goods cooling shower nozzle device, its characterized in that: including water pipe (1), the play water end of water pipe (1) is equipped with mixing chamber (4), be equipped with on water pipe (1) with trachea (3) that mixing chamber (4) are linked together, the inner wall threaded connection of the play water end of water pipe has communicating first shower nozzle (5), first shower nozzle (5) are established to loudspeaker form the middle part of first shower nozzle (5) is along radially being equipped with floor (51), threaded connection has second shower nozzle (10) on floor (51), the top of second shower nozzle (10) upwards extends into mixing chamber (4), and with leave the clearance between mixing chamber (4), the bottom downwardly extending of second shower nozzle (10) first shower nozzle (5) to be loudspeaker form, the second shower nozzle has the bottom surface that sets up a plurality of orifices.

2. A casting cooling spray head apparatus as claimed in claim 1, wherein: the inner wall of the water pipe (1) is provided with a filter screen (2) along the radial direction.

3. A casting cooling spray head apparatus as claimed in claim 1, wherein: the outer wall of the water pipe (1) is annularly provided with a condensation pipe (11), the upper end of the condensation pipe (11) is provided with an outlet (7), and the lower end of the condensation pipe is provided with an inlet (8).

4. A casting cooling spray head apparatus as claimed in claim 1, wherein: the inner peripheral wall of the mixing cavity (4) is in a thread shape.

5. A casting cooling spray head apparatus as claimed in claim 1, wherein: the air pipe (3) is obliquely arranged on the water pipe (1) upwards, and an air flow valve (6) is arranged on the air pipe (3).

6. A casting cooling spray head apparatus as claimed in claim 5, wherein: the included angle between the air pipe (3) and the water pipe (1) is 0-45 degrees.

7. A casting cooling spray head apparatus as claimed in claim 1, wherein: the neck of the second nozzle (10) is provided with a spherical bump (12), and the outer diameter of the spherical bump (12) is not less than the inner diameter of the water outlet of the mixing cavity (4).

8. A casting cooling spray head apparatus as claimed in claim 1, wherein: the cross section of the bottom end of the second spray head (10) is smaller than that of the bottom end of the first spray head (5).