CN215353760U

CN215353760U - Casting mold sand recycling system

Info

Publication number: CN215353760U
Application number: CN202120753947.5U
Authority: CN
Inventors: 张翔; 顾春明
Original assignee: Yimen Yunzhu Industry And Trade Co ltd
Current assignee: Yimen Yunzhu Industry And Trade Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-12-31
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a casting mold sand recycling system in the technical field of casting mold sand recycling systems, wherein a rotating shaft is fixedly assembled at the output end of a stirring motor, stirring rods are uniformly and fixedly assembled on the outer wall of the rotating shaft, negative pressure fans are fixedly assembled on the left side wall and the right side wall of a dust removal box, a discharge control valve is fixedly assembled in the discharge pipe, a guide base is arranged at the bottom of an inner cavity of the dust removal box, annular magnets are fixedly assembled on the inner side wall of a discharge hole, filter screens are fixedly assembled on the left side wall and the right side wall of the inner cavity of the dust removal box, air guide channels communicated with the filter screens and the negative pressure fans are arranged on the left side wall and the right side wall of the dust removal box, a guide plate corresponding to a conical disc is fixed at the top of the inner cavity of the dust removal box, used sand can be recycled, the purity and the cleanliness of the sand can be ensured, and waste discharge can be greatly reduced, the environmental protection degree is improved, and the environmental protection is higher.

Description

Casting mold sand recycling system

Technical Field

The utility model relates to the technical field of a casting mold sand recycling system, in particular to a casting mold sand recycling system.

Background

In the machine tool processing foundry industry at present, the molding sand is the material that is used for the molding in the casting, and the quality of molding sand has very important influence to the shaping quality of foundry goods, and from the consideration of cost, the molding sand all needs the recycle generally, promptly after one-time casting shaping, after the metal casting drawing of patterns, need cool off the molding sand, remove impurity, remove dust etc. and handle, then just can carry out the casting shaping of next time and use, and the casting mould is through pouring the back, and its molding sand is owing to receive the strong thermal action of metal, can take place very big change on composition and performance. Organic matters in the molding sand can be burned out to form porous fine coke powder and ash, the substances are partially contained in the sand, most of the substances are wrapped on the surface of the sand under the action of high temperature to form a firm resin glue shell and a hard film, and the sand is bonded into a large sand head, the used molding sand cannot be simply reused, otherwise, the performance of the molding sand is deteriorated, the quality of a casting cannot meet the requirement, even normal molding sand cannot be carried out, if the molding sand is not regenerated, the molding sand is only used for one time, and then the molding sand is discarded in the environment, so that bad consequences can be brought: on one hand, about two tons of molding sand are needed for producing one ton of castings, so that a large amount of molding sand is consumed, the transportation cost is increased, and the casting cost is greatly increased; on the other hand, a large amount of waste molding sand is dumped into the environment and occupies a large amount of land, so that the used sand is recycled as much as possible, and therefore, a casting mold sand recycling system is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a mold sand recycling system to solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a mould sand grain recycle system, includes the base, its characterized in that: the top of the base is fixedly provided with four fixing frames with the same structure, the top ends of the four fixing frames are fixedly provided with stirring boxes, the top of each stirring box is fixedly provided with a feeding hopper, the bottom end of the feeding hopper is fixedly provided with a feeding control valve, the middle of the top of an inner cavity of each stirring box is fixedly provided with a stirring motor, the output end of each stirring motor is fixedly provided with a rotating shaft, the outer wall of each rotating shaft is uniformly and fixedly provided with a stirring rod, the middle of the bottom end of each stirring box is fixedly provided with a discharging pipe, the bottom end of each discharging pipe is fixedly provided with a dust removing box, the left side wall and the right side wall of each dust removing box are fixedly provided with a negative pressure fan, the top of the base is provided with two groups of conveying wheels through a support, the outer walls of the two groups of conveying wheels are wound with conveying belts, and the right side of the support is fixedly provided with a discharging plate matched with the conveying belts, fixed material discharge control valve that is equipped with in the discharge tube, just dust removal incasement chamber bottom is provided with the guide base, just guide base bottom sets up the relief hole that extends the dust removal case, and fixed mounting has annular magnet on the relief hole inside wall, guide base top is fixed with solid fixed ring, just gu fixed ring's top is fixed with the conical disk, dust removal incasement chamber is controlled and is all fixed mounting has the filter screen on the lateral wall, set up the wind-guiding passageway with filter screen and negative-pressure air fan intercommunication about the dust removal case on the lateral wall, be fixed with control panel on the preceding lateral wall of stirring the case, just the preceding lateral wall bottom fixed mounting of stirring the case has the observation window, dust removal incasement chamber top is fixed with the stock guide corresponding with the conical disk.

Preferably, the guide base is a conical seat, the inclination angle of the inner side wall of the guide base is 5 degrees, and the discharge hole is formed in the center of the bottom of the dust removal box.

Preferably, the inner diameter of the fixing ring is the same as the aperture of the discharge hole, and the periphery of the outer side wall of the fixing ring is provided with a material guide channel.

Preferably, the stock guide is a funnel-shaped stock guide ring, the stock guide corresponds to the discharge pipe, and the outer wall of the stock guide is uniformly provided with ventilation holes penetrating through the stock guide.

Preferably, the material guide plate is matched with the conical disc, and the conical disc corresponds to the filter screen.

Preferably, the control panel is respectively electrically connected with the feeding control valve, the discharging control valve, the negative pressure fan and the stirring motor through electric wires.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has reasonable structural design, the stirring motor drives the stirring rod on the outer wall of the rotating shaft to rotate, so as to stir the molding sand in the stirring box, the molding sand can be crushed into a larger sand head, large-particle sand can be stirred and crushed, the agglomerated sand can be vibrated and crushed, the used sand can be primarily treated, the crushed sand is then guided to the material guide plate in the dust removal box from the discharge pipe, the negative pressure fan can drive the air in the dust removal box to flow and be discharged through the air guide channel when working, the falling speed of the sand can be reduced when the material guide plate guides the sand, and the flowing air can adsorb the dust in the sand through the ventilation holes, so that the dust is discharged out of the dust removal box after penetrating through the filter screen, the cleanliness of the sand is improved, the sand guided by the material guide plate falls on the conical disc, and the sand can be dispersed, increase the sand grain and linger the time in dust removal incasement portion, be convenient for further adsorb the dust in the sand grain, the sand grain that falls into simultaneously can carry out the air-drying cooling through the flow of air, realize the cooling to the sand grain, discharge hole is gone into through the guide passageway on the guide base with the sand grain through solid fixed ring at last, annular magnet on the discharge hole inside wall is accomplished and is got rid of impurity iron simultaneously, guarantee the purity of sand grain, can carry out recovery processing to used sand grain, and can guarantee the purity and the purity of sand grain, can reduce the discarded object by a wide margin and discharge, environmental protection degree has been improved, environmental protection is higher.

Drawings

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

FIG. 2 is a schematic view of the present invention in a partial cross-sectional view;

FIG. 3 is a schematic sectional view of the dust box of the present invention.

In the figure: 1. a base; 2. a fixed mount; 3. stirring the material box; 4. a feed hopper; 5. a feed control valve; 6. a stirring motor; 7. a rotating shaft; 8. a material stirring rod; 9. a discharge pipe; 10. a dust removal box; 11. a negative pressure fan; 12. a support; 13. a transfer wheel; 14. a conveyor belt; 15. a discharge plate; 16. a discharge control valve; 17. a material guiding base; 18. a fixing ring; 181. a material guide channel; 19. a conical disk; 20. filtering with a screen; 21. an air guide channel; 22. a control panel; 23. an observation window; 24. a ring magnet; 25. a material guide plate; 251. a vent hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a casting mold sand recycling system comprises a base 1, four groups of fixed frames 2 with the same structure are fixedly assembled at the top of the base 1, stirring boxes 3 are fixedly assembled at the top ends of the four groups of fixed frames 2, a feeding hopper 4 is fixedly assembled at the top of each stirring box 3, a feeding control valve 5 is fixedly assembled at the inner bottom end of each feeding hopper 4, a stirring motor 6 is fixed in the middle of the top of an inner cavity of each stirring box 3, a rotating shaft 7 is fixedly assembled at the output end of each stirring motor 6, stirring rods 8 are uniformly and fixedly assembled on the outer wall of each rotating shaft 7, a discharging pipe 9 is fixedly assembled in the middle of the bottom end of each stirring box 3, a dust removing box 10 is fixedly assembled at the bottom end of each discharging pipe 9, a negative pressure fan 11 is fixedly assembled on each of the left side wall and the right side wall of each dust removing box 10, two groups of conveying wheels 13 are assembled at the top of the base 1 through a support 12, a conveying belt 14 is wound and assembled on the outer wall of the two groups of the conveying wheels 13, a discharging plate 15 matched with the conveying belt 14 is fixedly assembled on the support 12 on the right side, discharge tube 9 internal fixation is equipped with row material control valve 16, and dust removal case 10 inner chamber bottom is provided with guide base 17, and guide base 17 bottom sets up the relief hole that extends dust removal case 10, and fixed being equipped with annular magnet 24 on the relief hole inside wall, guide base 17 top is fixed with solid fixed ring 18, and the top of solid fixed ring 18 is fixed with conical disk 19, all fixed being equipped with filter screen 20 on the lateral wall about dust removal case 10 inner chamber, set up the wind-guiding passageway 21 with filter screen 20 and negative-pressure air fan 11 intercommunication about dust removal case 10 on the lateral wall, be fixed with control panel 22 on the preceding lateral wall of stirring case 3, and the fixed viewing window 23 that is equipped with in preceding lateral wall bottom of stirring case 3, dust removal case 10 inner chamber top is fixed with the stock guide 25 corresponding with conical disk 19.

The material guide base 17 is a conical base, the inclination angle of the inner side wall of the material guide base 17 is 5 degrees, and the discharge hole is formed in the center of the bottom of the dust removal box 10;

referring to fig. 3, the inner diameter of the fixing ring 18 is the same as the aperture of the discharge hole, and the periphery of the outer side wall of the fixing ring 18 is provided with a material guiding channel 181;

referring to fig. 3, the material guiding plate 25 is a funnel-shaped material guiding ring, the material guiding plate 25 corresponds to the material discharging pipe 9, and the outer wall of the material guiding plate 25 is uniformly provided with ventilation holes 251 penetrating through the material guiding plate 25, so that the flowing air can adsorb the dust in the sand grains through the ventilation holes 251, so that the dust is discharged out of the dust removing box 10 after penetrating through the filter screen 20, and the cleanliness of the sand grains is improved;

the material guide plate 25 is matched with the conical disc 19, the conical disc 19 corresponds to the filter screen 20, sand grains guided by the material guide plate 25 fall on the conical disc 19, the sand grains can be dispersed, the staying time of the sand grains in the dust removal box 10 is prolonged, dust in the sand grains can be further adsorbed, meanwhile, the falling sand grains can be air-dried and cooled through the flowing of air, and the cooling of the sand grains is realized;

the control panel 22 is electrically connected with the feeding control valve 5, the discharging control valve 16, the negative pressure fan 11 and the stirring motor 6 through electric wires respectively.

The working principle is as follows: the control panel 22 controls the feeding control valve 5 to be opened and the discharging control valve 16 to be closed, sand grains are guided into the stirring box 3 through the feeding hopper 4, the stirring motor 6 drives the stirring rod 8 on the outer wall of the rotating shaft 7 to rotate so as to stir molding sand in the stirring box 3, a large bonded sand head can be crushed, large-particle sand grains can be stirred and crushed, agglomerated sand grains can be vibrated and crushed, primary treatment can be realized on the used sand grains, then the control panel 22 controls the discharging control valve 16 to be opened, so that the crushed sand grains are guided into the guide plate 25 in the dust removal box 10 from the discharging pipe 9, the negative pressure fan 11 works to drive air in the dust removal box 10 to flow and discharge the air through the air guide channel 21, the falling speed of the sand grains can be reduced when the guide plate 25 guides the sand grains, and the flowing air can adsorb dust in the sand grains through the vent holes 251, the dust is promoted to be discharged out of the dust removal box 10 after penetrating through the filter screen 20, the cleanliness of sand grains is improved, the sand grains guided by the guide plate 25 fall on the conical disc 19, the sand grains can be promoted to be dispersed, the stay time of the sand grains in the dust removal box 10 is prolonged, the dust in the sand grains can be further adsorbed, the falling sand grains can be air-dried and cooled through the flowing of air, the sand grains are cooled, finally the sand grains are discharged into the discharge hole through the guide channel 181 on the fixing ring 18 through the guide base 17, meanwhile, the impurity iron is removed through the annular magnet 24 on the inner side wall of the discharge hole, the cleanliness of the sand grains is ensured, then the sand grains fall on the conveyor belt 14, the conveying of the sand grains is completed, finally the sand grains are guided into the aggregate box through the discharge plate 15 to be collected, the used sand grains can be recycled, and the cleanliness of the sand grains can be ensured, can greatly reduce the discharge of wastes, improve the environmental protection degree and have higher environmental protection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mould sand recycling system, includes base (1), its characterized in that: the top of base (1) is fixed with four mount (2) that the structure is the same, four groups the top of mount (2) is fixed with stirs workbin (3), the top fixed with feeder hopper (4) that stirs workbin (3), the bottom fixed mounting has feed control valve (5) in feeder hopper (4), be fixed with agitator motor (6) in the middle of the inner chamber top of stirring workbin (3), the output fixed mounting of agitator motor (6) has pivot (7), just even fixed mounting has stirring pole (8) on the outer wall of pivot (7), the fixed mounting has row material pipe (9) in the middle of the bottom of stirring workbin (3), just the bottom fixed mounting of row material pipe (9) is equipped with dust removal case (10), all fixed mounting has on the left and right sides lateral wall of dust removal case (10) has fan (11), the top of base (1) is equipped with two sets of transfer pulleys (13) through support (12), and two sets of conveying wheels (13) are wound on the outer wall and are provided with a conveying belt (14), a right side support (12) is fixedly provided with a material discharging plate (15) matched with the conveying belt (14), a material discharging pipe (9) is internally fixedly provided with a material discharging control valve (16), the bottom of the inner cavity of the dust removing box (10) is provided with a material guiding base (17), the bottom of the material guiding base (17) is provided with a material discharging hole extending out of the dust removing box (10), the inner side wall of the material discharging hole is fixedly provided with an annular magnet (24), the top of the material guiding base (17) is fixed with a fixing ring (18), the top of the fixing ring (18) is fixed with a conical disc (19), the left side wall and the right side wall of the inner cavity of the dust removing box (10) are fixedly provided with filter screens (20), the left side wall and the right side wall of the dust removing box (10) are provided with air guide channels (21) communicated with the filter screens (20) and the fan (11), a control panel (22) is fixed on the front side wall of the stirring box (3), an observation window (23) is fixedly arranged at the bottom of the front side wall of the stirring box (3), and a material guide plate (25) corresponding to the conical disc (19) is fixed at the top of the inner cavity of the dust removal box (10).

2. A mold grit recycling system as in claim 1, wherein: the material guide base (17) is a conical base, the inclination angle of the inner side wall of the material guide base (17) is 5 degrees, and a discharge hole is formed in the center of the bottom of the dust removal box (10).

3. A mold grit recycling system as in claim 2, wherein: the inner diameter of the fixing ring (18) is the same as the aperture of the discharge hole, and the periphery of the outer side wall of the fixing ring (18) is provided with a material guide channel (181).

4. A mold grit recycling system as in claim 1, wherein: the material guide plate (25) is a funnel-shaped material guide ring, the material guide plate (25) corresponds to the material discharge pipe (9), and the outer wall of the material guide plate (25) is uniformly provided with a ventilation hole (251) which penetrates through the material guide plate (25).

5. The mold grit recycling system of claim 4, wherein: the material guide plate (25) is matched with the conical disc (19), and the conical disc (19) corresponds to the filter screen (20).

6. A mold grit recycling system as in claim 1, wherein: the control panel (22) is respectively electrically connected with the feeding control valve (5), the discharging control valve (16), the negative pressure fan (11) and the stirring motor (6) through electric wires.