CN212525902U

CN212525902U - Novel air cooling device of tectorial membrane sand

Info

Publication number: CN212525902U
Application number: CN202021127333.8U
Authority: CN
Inventors: 王建明
Original assignee: Danyang Danshui Casting New Material Co ltd
Current assignee: Danyang Danshui Casting New Material Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-12
Anticipated expiration: 2030-06-17

Abstract

The utility model belongs to the technical field of production and processing of precoated sand, in particular to a novel air cooling device for precoated sand, which comprises a machine body, wherein the transverse section of the machine body is of a double-layer circular ring structure, and the inner space of the double layer is a water jacket; a cooling gas inlet is arranged at the lower part of the outer side surface of the machine body, and a cooling gas outlet is arranged on the top surface of the machine body; a cooling material tray is arranged above the inner part of the machine body, a material guide tray is arranged below the inner part of the machine body, and stirring components corresponding to the cooling material tray and the material guide tray are respectively arranged in the machine body; the utility model discloses an air cooling device, through the hourglass hopper-shaped cooling charging tray of design, cooperation stirring subassembly can guarantee the abundant cooling of tectorial membrane sand, guarantees reliable unloading simultaneously, and the cooperation of hourglass hopper-shaped guide plate is rather than the stirring subassembly that corresponds, guarantees reliable unloading, avoids the putty, can prolong the process time of tectorial membrane sand in the organism simultaneously, improves cooling efficiency, and in addition, the design of water jacket can combine the water-cooling further to improve the cooling efficiency to the tectorial membrane sand.

Description

Novel air cooling device of tectorial membrane sand

Technical Field

The utility model belongs to the technical field of tectorial membrane sand production and processing, concretely relates to novel air cooling device of tectorial membrane sand.

Background

The method comprises the following steps of (1) coating sand, namely coating a layer of molding sand or core sand of a solid resin film on the surface of sand grains before molding, wherein the coating process comprises a cold method and a hot method: dissolving the resin with ethanol by a cold method, adding urotropine in the sand mixing process to coat the urotropine and the sand on the surface of sand grains, and volatilizing the ethanol to obtain precoated sand; the hot method is to preheat sand to a certain temperature, add resin to melt the sand, stir the sand to coat the resin on the surface of the sand, add urotropine aqueous solution and lubricant, cool, crush and screen the sand to obtain the precoated sand which is used for steel casting and iron casting, the precoated sand has large heat after production, so the precoated sand needs to be cooled, and the air cooling device is a common cooling device.

When the original precoated sand air cooling device is used, only cooling air is directly introduced into the equipment body to cool the precoated sand, and the cooling efficiency is low.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a novel air cooling device of tectorial membrane sand has the characteristics of being convenient for remove and cooling efficiency is high.

In order to achieve the above object, the utility model provides a following technical scheme: a novel air cooling device for precoated sand comprises a machine body, wherein supporting legs are fixed on the bottom surface of the machine body, moving wheels are fixed at the bottom ends of the supporting legs, the transverse section of the machine body is of a double-layer circular structure, and the inner side space of the double layers is a water jacket; a cooling gas inlet is arranged at the lower part of the outer side surface of the machine body, and a cooling gas outlet is arranged on the top surface of the machine body; the top surface of the machine body is also provided with a feeding hopper, and the bottom surface of the machine body is provided with a discharging port; a cooling material tray is arranged above the inner part of the machine body, a material guide tray is arranged below the inner part of the machine body, blanking holes are formed in the centers of the cooling material tray and the material guide tray, and air holes are uniformly formed in the cooling material tray; and stirring assemblies corresponding to the cooling material tray and the material guide tray are respectively arranged in the machine body, and a driving assembly for driving the stirring assemblies to rotate is arranged on the machine body.

As an optimized technical scheme of the utility model, the cooling charging tray with the stock guide is hourglass hopper-shaped structure.

As a preferred technical scheme of the utility model, the stirring subassembly includes connecting rod and puddler, the puddler is fixed the connecting rod tip the fixed surface of puddler has a plurality of stirring lugs that distribute along its length direction equidistant.

As a preferred technical scheme of the utility model, drive assembly includes driving motor and active lever, the active lever is along vertically installing in the organism, driving motor fixes organism top surface and drive the active lever rotates, the connecting rod is fixed on the active lever.

As an optimized technical scheme of the utility model, the end of giving vent to anger of cooling gas entry is located guide plate upper portion.

As an optimal technical scheme of the utility model, the lateral surface top of organism install with cooling water inlet, the bottom of water jacket intercommunication install with the cooling water export of water jacket intercommunication.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an air cooling device, it is convenient to remove, easy to use, through the hourglass hopper-shaped cooling charging tray of design, cooperation stirring subassembly can guarantee the abundant cooling of tectorial membrane sand, guarantees reliable unloading simultaneously, and the cooperation of hourglass hopper-shaped guide plate is rather than the stirring subassembly that corresponds guarantees reliable unloading, avoids the putty, can prolong the process time of tectorial membrane sand in the organism simultaneously, improves cooling efficiency, and in addition, the design of water jacket can combine the water-cooling further to improve the cooling efficiency to the tectorial membrane sand.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged schematic view of the stirring assembly of the present invention;

in the figure: 1. a body; 2. feeding into a hopper; 3. a discharge port; 4. a cooling gas inlet; 5. a cooling gas outlet; 6. a drive assembly; 7. a cooling water inlet; 8. a cooling water outlet; 9. supporting legs; 10. a moving wheel; 11. a water jacket; 12. a drive motor; 13. a driving lever; 14. cooling the material tray; 15. a wind hole; 16. a material guide plate; 17. a blanking hole; 18. a stirring assembly; 19. a connecting rod; 20. a stirring rod; 21. the bumps are stirred.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a novel air cooling device for precoated sand comprises a machine body 1, wherein supporting legs 9 are fixed on the bottom surface of the machine body 1, moving wheels 10 are fixed at the bottom ends of the supporting legs 9, the transverse section of the machine body 1 is of a double-layer circular ring structure, and the inner side space of the double layers is a water jacket 11; a cooling gas inlet 4 is arranged at the lower part of the outer side surface of the machine body 1, and a cooling gas outlet 5 is arranged on the top surface of the machine body 1; the top surface of the machine body 1 is also provided with a feeding hopper 2, and the bottom surface is provided with a discharging port 3; a cooling material tray 14 is arranged above the interior of the machine body 1, a material guide plate 16 is arranged below the interior of the machine body, blanking holes 17 are formed in the centers of the cooling material tray 14 and the material guide plate 16, and air holes 15 are uniformly formed in the cooling material tray 14; when in use, precoated sand to be cooled is fed into the machine body 1 from the feeding hopper 2, cooling air is introduced into the machine body 1 from the cooling air inlet 4, flows in the machine body 1, exchanges heat with hot precoated sand and is discharged from the cooling air outlet 5 at the upper part, the hot precoated sand falls onto the cooling material tray 14 after entering the machine body 1, the driving assembly 6 is started, the driving assembly 6 drives two groups of stirring assemblies 18 to simultaneously rotate, the stirring assemblies 18 corresponding to the cooling material tray 14 continuously turn the precoated sand, the cooling efficiency is improved, the hot precoated sand gradually falls onto the material guide tray 16 from the blanking hole 17 at the center of the cooling material tray 14 while turning, and the precoated sand can be cooled by the cooling air in the falling process, after the precoated sand falls onto the material guide plate 16, the stirring assembly 18 corresponding to the material guide plate 16 can turn the precoated sand again, so that the precoated sand is ensured to reliably fall from a blanking hole 17 in the center of the material guide plate 16 to the material outlet 3 and is finally discharged, the blockage is avoided, and in addition, sufficient cooling water can be stored in the water jacket 11 in advance, and the cooling efficiency of the precoated sand is improved by matching with water cooling.

Specifically, according to fig. 1 and fig. 2, in the present embodiment, the cooling tray 14 and the material guiding tray 16 are both funnel-shaped structures, so as to ensure the reliable falling of the precoated sand material.

Specifically, according to fig. 2 and 3, in this embodiment, the stirring assembly 18 includes a connecting rod 19 and a stirring rod 20, the stirring rod 20 is fixed at an end of the connecting rod 19, a plurality of stirring bumps 21 are fixed on a surface of the stirring rod 20 and are distributed at equal intervals along a length direction of the stirring rod, and after the driving assembly 6 drives the stirring assembly 18 to rotate, the precoated sand is continuously turned over by the stirring rod 20 and the stirring bumps 21 on the surface of the stirring rod.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the driving assembly 6 includes a driving motor 12 and a driving rod 13, the driving rod 13 is longitudinally installed in the machine body 1, the driving motor 12 is fixed on the top surface of the machine body 1 and drives the driving rod 13 to rotate, the connecting rod 19 is fixed on the driving rod 13, the driving rod 13 is driven to rotate by the driving motor 12, the connecting rod 19 is driven to rotate by the driving rod 13, so as to drive the stirring rod 20 and the stirring bump 21 to rotate, wherein the driving motor 12 is a Y-series three-phase asynchronous motor, and can be purchased directly on the market and needs to be connected with an electrical power source during use.

Specifically, according to fig. 1 and fig. 2, in the present embodiment, the gas outlet end of the cooling gas inlet 4 is located at the upper portion of the material guiding plate 16, after the cooling gas enters the thermal environment in the machine body 1, a part of the cooling gas falls, a majority of the cooling gas rises, and after the cooling gas exchanges heat with the hot precoated sand, the cooling gas becomes hot and rises.

Specifically, according to fig. 1 and fig. 2, in this embodiment, a cooling water inlet 7 communicated with a water jacket 11 is installed at the top end of the outer side surface of the machine body 1, and a cooling water outlet 8 communicated with the water jacket 11 is installed at the bottom end of the outer side surface of the machine body, so that cooling water can be conveniently introduced and replaced.

In addition, as can be seen from fig. 1 and fig. 2, manual valves are installed on the cooling gas inlet 4, the cooling gas outlet 5, the cooling water inlet 7 and the cooling water outlet 8, and are purchased from the market directly, when the cooling operation is performed, the manual valve on the cooling gas inlet 4 is opened, and when the operation is finished, the manual valve is closed, and the manual valves on the cooling gas outlet 5, the cooling water inlet 7 and the cooling water outlet 8 are in a normally open state, so that the circulation performance of the cooling operation is ensured;

in addition, cooling water can be stored in the water jacket 11 for continuous use, the cooling water inlet 7 is normally open, the cooling water outlet 8 is normally closed, when the cooling water is stored, the cooling water outlet 8 is used as the inlet of the cooling water, the cooling water outlet 8 is opened, and the cooling water outlet 8 is closed after a proper amount of cooling water is introduced.

The utility model discloses a theory of operation and use flow: the utility model discloses an air cooling device, when using, wait that refrigerated tectorial membrane sand from going into hopper 2 feeding organism 1 in, cooling air lets in organism 1 from cooling gas entry 4, flow in organism 1 and produce the heat exchange with hot tectorial membrane sand and discharge from upper portion's cooling gas export 5, hot tectorial membrane sand gets into organism 1 back, can fall to cooling tray 14 on, start drive assembly 6, utilize drive assembly 6 to drive two sets of stirring subassembly 18 and rotate simultaneously, stirring subassembly 18 corresponding to cooling tray 14 constantly stirs tectorial membrane sand, improve cooling efficiency, can fall to guide plate 16 from blanking hole 17 of cooling tray 14 center department gradually when stirring, and in the in-process that tectorial membrane sand falls, also can be through cooling air's cooling, after tectorial membrane sand falls to guide plate 16 on, stirring subassembly 18 corresponding to guide plate 16 can turn tectorial membrane sand again, ensuring that the precoated sand reliably falls to the discharge port 3 from the blanking hole 17 at the center of the material guide plate 16 and is finally discharged, and avoiding material blockage;

in addition, a sufficient amount of cooling water can be stored in the water jacket 11 in advance, and the cooling efficiency of the precoated sand is improved in cooperation with water cooling.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel air cooling device of tectorial membrane sand, includes organism (1), the bottom surface of organism (1) is fixed with supporting leg (9), the bottom mounting of supporting leg (9) has removal wheel (10), its characterized in that: the transverse section of the machine body (1) is of a double-layer annular structure, and the inner space of the double layers is a water jacket (11); a cooling gas inlet (4) is arranged at the lower part of the outer side surface of the machine body (1), and a cooling gas outlet (5) is arranged on the top surface of the machine body (1); the top surface of the machine body (1) is also provided with a feeding hopper (2), and the bottom surface is provided with a discharging hole (3); a cooling material tray (14) is arranged above the inner part of the machine body (1), a material guide tray (16) is arranged below the inner part of the machine body, blanking holes (17) are formed in the centers of the cooling material tray (14) and the material guide tray (16), and air holes (15) are uniformly formed in the cooling material tray (14); and stirring components (18) corresponding to the cooling material tray (14) and the material guide tray (16) are respectively arranged in the machine body (1), and a driving component (6) for driving the stirring components (18) to rotate is arranged on the machine body (1).

2. The novel air cooling device for precoated sand according to claim 1, characterized in that: the cooling material tray (14) and the material guide tray (16) are both funnel-shaped structures.

3. The novel air cooling device for precoated sand according to claim 1, characterized in that: the stirring assembly (18) comprises a connecting rod (19) and a stirring rod (20), the stirring rod (20) is fixed at the end part of the connecting rod (19), and a plurality of stirring lugs (21) which are distributed at equal intervals along the length direction of the stirring rod (20) are fixed on the surface of the stirring rod (20).

4. The novel air cooling device for precoated sand according to claim 3, characterized in that: drive assembly (6) include driving motor (12) and active rod (13), install along vertical in active rod (13) organism (1), driving motor (12) are fixed organism (1) top surface and drive active rod (13) rotate, connecting rod (19) are fixed on active rod (13).

5. The novel air cooling device for precoated sand according to claim 1, characterized in that: the gas outlet end of the cooling gas inlet (4) is positioned at the upper part of the material guide disc (16).

6. The novel air cooling device for precoated sand according to claim 1, characterized in that: and a cooling water inlet (7) communicated with the water jacket (11) is arranged at the top end of the outer side surface of the machine body (1), and a cooling water outlet (8) communicated with the water jacket (11) is arranged at the bottom end of the machine body.