CN219130680U

CN219130680U - Sand drying device for lost foam casting

Info

Publication number: CN219130680U
Application number: CN202223525098.1U
Authority: CN
Inventors: 杨玉超
Original assignee: Luoyang Longzun Mold Co ltd
Current assignee: Luoyang Longzun Mold Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-06
Anticipated expiration: 2032-12-29

Abstract

The utility model belongs to the technical field of lost foam, and particularly relates to a sand drying device for lost foam casting, which comprises a shell, wherein a feed hopper is arranged on the outer side of the shell, a discharge hopper is arranged on the outer side of the shell, a spiral feeding pipe is arranged in the shell, one end of the spiral feeding pipe penetrates through the shell to be connected with a motor, a first cooling pipe is arranged on the outer side of the shell, a first water outlet pipe is arranged on the outer side of the first cooling pipe, a first water inlet pipe is arranged on the outer side of the first cooling pipe, and a filter box is arranged at the bottom of the discharge hopper; according to the utility model, through the arrangement of the first cooling pipe, the casting sand can be cooled in the transportation process, the casting sand is screened through the arrangement of the vibrating motor of the filter screen, and through the arrangement of the cooling group, the screened qualified casting sand can be cooled, so that the cooling efficiency of the casting sand is improved, and the labor intensity of workers is reduced.

Description

Sand drying device for lost foam casting

Technical Field

The utility model relates to the technical field of lost foam, in particular to a sand drying device for lost foam casting.

Background

At present, in a casting factory, casting is produced by adopting lost foam casting, when the produced castings are large in batches, casting sand for lost foam casting is high in temperature, and by adopting a common sand drying method, molding sand is spread by workers and then naturally cooled, so that the temperature of the molding sand is difficult to be lowered in a short time, the production is difficult to meet the requirements, and the spreading of the molding sand is large in occupied area, so that the space utilization is influenced. Accordingly, the present utility model provides a sand drying device for lost foam casting to solve such problems.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the sand drying device for lost foam casting, which can effectively solve the problems in the background technology.

The utility model realizes the above purpose through the following technical scheme: the utility model provides a sand drying device for lost foam casting, includes the shell, the shell outside is by being provided with the feeder hopper on, the shell outside is provided with the hopper down, the inside screw feed pipe that is provided with of shell, screw feed pipe one end runs through the shell and links to each other with the motor, still includes first cooling tube, the outside of shell is provided with first cooling tube, the outside of first cooling tube is by being provided with first outlet pipe on, the outside of first cooling tube is provided with first inlet tube down, the bottom of hopper is provided with the rose box, the rose box inside is provided with the guide plate, the guide plate below is provided with the filter screen, the filter screen bottom is provided with the swash plate, be provided with the cooling group on the inclined plane of swash plate, the first discharge gate of the big granule molding sand on the filter screen of being convenient for discharge is seted up to rose box one side, the second discharge gate on the rose box front side of being convenient for discharge swash plate is seted up.

Further, the cooling group mainly comprises a water diversion pipe, second cooling pipes and a water collecting pipe, wherein the water diversion pipe is arranged on the front side of the inclined plate, the number of the second cooling pipes is not less than two, the two second cooling pipes are uniformly distributed on the inclined surface of the inclined plate, and the water collecting pipe is arranged on the rear side of the second cooling pipes.

Further, a second water outlet pipe is arranged on one side of the water collecting pipe, a second water inlet pipe is arranged on one side of the water distributing pipe, and the second water inlet pipe is connected with the first water outlet pipe through a connecting pipe.

Further, two backing plates are arranged at the bottom of the inclined plate.

Further, a first extension plate is arranged at the first discharge hole, and a second extension plate is arranged at the second discharge hole.

Further, the inclination direction of the guide plate is opposite to the inclination direction of the filter screen.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the arrangement of the first cooling pipe, the casting sand can be cooled in the transportation process, the casting sand is screened through the arrangement of the vibrating motor of the filter screen, and through the arrangement of the cooling group, the screened qualified casting sand can be cooled, so that the cooling efficiency of the casting sand is improved, and the labor intensity of workers is reduced.

Drawings

FIG. 1 is a first structural view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional view of A-A of FIG. 2;

FIG. 4 is a cross-sectional view of B-B in FIG. 3;

fig. 5 is a second structural view of the present utility model.

Reference numerals: 1. a housing; 2. a first cooling tube; 3. a feed hopper; 4. a first water outlet pipe; 5. a first water inlet pipe; 6. discharging a hopper; 7. a bracket; 8. a motor; 9. a spiral feeding pipe; 10. a filter box; 11. a first discharge port; 12. a first extension plate; 13. a second discharge port; 14. a second extension plate; 15. a second water outlet pipe; 16. a second water inlet pipe; 17. a connecting pipe; 18. a deflector; 19. a filter screen; 20. a vibration motor; 21. a sloping plate; 22. a water collecting pipe; 23. a second cooling tube; 24. a water diversion pipe.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-5, a sand drying device for lost foam casting comprises a shell 1, wherein a feed hopper 3 is arranged on the outer side of the shell 1, a discharge hopper 6 is arranged on the outer side of the shell 1, a spiral feeding pipe 9 is arranged in the shell 1, one end of the spiral feeding pipe 9 penetrates through the shell 1 and is connected with a motor 8, a first cooling pipe 2 is further arranged on the outer side of the shell 1, a first water outlet pipe 4 is arranged on the outer side of the first cooling pipe 2, and a first water inlet pipe 5 is arranged on the outer side of the first cooling pipe 2.

Specifically, through setting up first cooling tube 2 on shell 1 to make and form a airtight minute cavity between first cooling tube 2 and the shell 1, be convenient for hold the cooling water that comes in from first inlet tube 5, through the rotation of spiral conveying pipe 8, thereby stir and transport the molding sand that gets into in the shell 1, so that the cooling water in the first cooling tube 2 absorbs the heat in the molding sand, thereby carry out primary cooling to the molding sand.

The bottom of the discharge hopper 6 is provided with a filter tank 10, a guide plate 18 is arranged in the filter tank 10, a filter screen 19 is arranged below the guide plate 18, a vibrating motor 20 is arranged at the bottom of the filter screen 19, an inclined plate 21 is arranged below the filter screen 19, a first discharge port 11 which is convenient for discharging large-particle molding sand on the filter screen 19 is formed in one side of the filter tank 10, and a second discharge port 13 which is convenient for discharging molding sand on the inclined plate 21 is formed in the front side of the filter tank 10.

Specifically, baffles are arranged on the front side and the rear side of the deflector 18, sand is prevented from falling on the deflector 18 to enable the front side and the rear side to collapse, the width of the deflector 18 is larger than that of the discharge hopper 6, and two backing plates are arranged at the bottom of the inclined plate 21.

More specifically, the inclination direction of the deflector 18 is opposite to the inclination direction of the filter screen 19, so that the filter screen 19 filters the sand.

When the molding sand falls into the filter box 10 from the discharge hopper 6, the molding sand is guided to the filter screen 19 by the guide plate 18, and the filter screen 19 is driven to vibrate by the vibrating motor 20, so that the molding sand on the filter screen 19 is filtered, part of the filtered molding sand falls on the inclined plate 21, the molding sand on the inclined plate 21 of the cooling group is cooled, and the other part of the molding sand is transported to the first discharge port 11 through the filter screen 19 and is discharged.

The inclined plane of swash plate 21 is provided with the cooling group, and the cooling group mainly includes shunt tubes 24, second cooling tube 23 and collector tube 22, and shunt tubes 24 set up in swash plate 21 front side, and the quantity of second cooling tube 23 is not less than two, and two second cooling tube 23 equipartitions are provided with collector tube 22 on the inclined plane of swash plate 21, the rear side of second cooling tube 23.

Specifically, the number of the second cooling pipes 23 is five so as to cool the molding sand on the sloping plate 21, and holes for water to pass through are formed at the intersections of the second cooling pipes 23 and the water diversion pipes 24 and the water collection pipes 22, so that the cooling water can flow between the second cooling pipes 23, the water diversion pipes 24 and the water collection pipes 22 conveniently.

More specifically, a second water outlet pipe 15 is arranged on one side of the water collecting pipe 22, a second water inlet pipe 16 is arranged on one side of the water distributing pipe 24, and the second water inlet pipe 16 is connected with the first water outlet pipe 4 through a connecting pipe 17.

So arranged, the cooling water enters the connecting pipe 17 through the first water outlet pipe 4 and enters the water diversion pipe 24 through the second water inlet pipe 16, the cooling water moves upwards into the second cooling pipe 23 to cool the molding sand on the inclined plate 21, and the cooling water in the second cooling pipe 23 can continue to move upwards into the water collection pipe 22 and is discharged through the second water outlet pipe 15 at one side of the water collection pipe 22.

Further, the first discharge hole 11 is provided with the first extension plate 12, the second discharge hole 13 is provided with the second extension plate 14, and the first extension plate 12 and the second extension plate 14 can guide the sand, so that the sand is prevented from being accumulated at the first discharge hole 11 and the second discharge hole 13.

The working principle and the using flow of the utility model are as follows: when the sand filter is used, water is filled into the first cooling pipe 2 through the first water inlet pipe 5, cooling water enters the connecting pipe 17 from the first water outlet pipe 4, cooling water enters the water distribution pipe 24 through the second water inlet pipe 16, cooling water moves upwards to enter the second cooling pipe 23, cooling water is filled in the second cooling pipe 23, cast sand can be placed into the shell 1 from the feed hopper 3, the motor 8 drives the spiral feeding pipe 9 to rotate, the sand entering the shell 1 is stirred and transported, so that the cooling water in the first cooling pipe 2 absorbs heat in the sand, the sand is cooled for the first time, then the sand falls into the filter box 10 from the discharge hopper 6, the sand is guided to the filter screen 19 through the guide plate 18, the filter screen 19 is driven to vibrate through the vibrating motor 20, the sand on the filter screen 19 is filtered, part of the filtered sand falls on the sloping plate 21, the sand on the cooling group 21 is cooled, and part of the sand is transported to the first discharge port 11 through the filter screen 19.

It should be noted that, in the present embodiment, the first water inlet pipe 5 and the second water outlet pipe 15 are connected to an external cooling circulating water system, and the first cooling pipe 2 and the cooling water in the cooling group are in a circulating state.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 2, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sand drying device for lost foam casting, includes shell (1), be provided with feeder hopper (3) on the outside of shell (1), be provided with out hopper (6) down on the outside of shell (1), shell (1) inside is provided with spiral conveying pipe (9), and spiral conveying pipe (9) one end runs through shell (1) and links to each other with motor (8), its characterized in that: still include first cooling tube (2), the outside of shell (1) is provided with first cooling tube (2), be provided with first outlet pipe (4) on leaning on in the outside of first cooling tube (2), the outside of first cooling tube (2) is provided with first inlet tube (5) down, the bottom of discharge hopper (6) is provided with rose box (10), rose box (10) inside is provided with guide plate (18), guide plate (18) below is provided with filter screen (19), filter screen (19) bottom is provided with vibrating motor (20), filter screen (19) below is provided with swash plate (21), be provided with the cooling group on the inclined plane of swash plate (21), first discharge gate (11) of the big granule molding sand on being convenient for discharge filter screen (19) are offered to rose box (10) one side, second discharge gate (13) of the molding sand on being convenient for discharge swash plate (21) are offered to rose box (10) front side.

2. The sand drying device for lost foam casting according to claim 1, wherein: the cooling group mainly comprises a water diversion pipe (24), second cooling pipes (23) and a water collecting pipe (22), wherein the water diversion pipe (24) is arranged at the front side of the inclined plate (21), the number of the second cooling pipes (23) is not less than two, the two second cooling pipes (23) are uniformly distributed on the inclined surface of the inclined plate (21), and the water collecting pipe (22) is arranged at the rear side of the second cooling pipes (23).

3. The sand drying device for lost foam casting according to claim 2, wherein: a second water outlet pipe (15) is arranged on one side of the water collecting pipe (22), a second water inlet pipe (16) is arranged on one side of the water distributing pipe (24), and the second water inlet pipe (16) is connected with the first water outlet pipe (4) through a connecting pipe (17).

4. The sand drying device for lost foam casting according to claim 1, wherein: two backing plates are arranged at the bottom of the inclined plate (21).

5. The sand drying device for lost foam casting according to claim 1, wherein: the first discharge hole (11) is provided with a first extension plate (12), and the second discharge hole (13) is provided with a second extension plate (14).

6. The sand drying device for lost foam casting according to claim 1, wherein: the inclination direction of the guide plate (18) is opposite to the inclination direction of the filter screen (19).