CN215597979U

CN215597979U - Sand screening and drying device for building construction

Info

Publication number: CN215597979U
Application number: CN202122361765.6U
Authority: CN
Inventors: 高翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-21
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a sand screening and drying device for building construction, which comprises a rectangular base, wherein one end of the rectangular base is provided with a primary filtering mechanism, and the other end of the rectangular base is provided with a drying and sand screening mechanism. The sand drying and screening device has the advantages that the phenomenon that the screen holes are blocked by sand can be effectively prevented through the action of the sand drying and screening mechanism, drying operation can be carried out while sand is efficiently screened, and the working efficiency is greatly improved.

Description

Sand screening and drying device for building construction

Technical Field

The utility model relates to the technical field of building screening sand, in particular to a screening sand drying device for building construction.

Background

Sand is common construction raw materials, in order to guarantee engineering quality when using, need carry out the impurity screening to the sand, current sieve husky equipment for example patent number CN202021485216.9 patent name is a patent of the sand screening device with stoving function, the sand mode in this patent is, sand from the top whereabouts, the centrifugal force that rotates through a sieve section of thick bamboo and produce discharges on to the horizontal direction, after sand and the contact of a sieve section of thick bamboo, be in relative static state between sand and the sieve section of thick bamboo, sand that can not be effectual sieves moves, this mode of operation easily causes the sieve mesh jam, and work efficiency is extremely low.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects, the utility model provides a sand screening and drying device for building construction, and solves the problems.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a sand screening and drying device for building construction comprises a rectangular base, wherein one end of the rectangular base is provided with a primary filtering mechanism, and the other end of the rectangular base is provided with a drying and sand screening mechanism;

the drying sand screening mechanism comprises bearing supports arranged at two ends of a rectangular base, a first bearing is arranged at the upper end of each bearing support, a rotating cylinder is arranged on the inner ring of each first bearing, an L-shaped scraper is arranged on the inner side of each rotating cylinder, a plurality of rectangular holes are formed in one end of each rotating cylinder, a screen is arranged on one side of each rectangular hole, and a limiting ring is arranged at one end of each rotating cylinder; the two ends of the rectangular base are provided with a first L-shaped support, the upper end of the first L-shaped support is provided with a sealing cylinder, the two ends of the sealing cylinder are fixedly connected with the first L-shaped support, the upper end of the first L-shaped support is provided with an air heater, and the air heater and the sealing cylinder are in an intercommunicated state; the side surface of the sealing cylinder is provided with an air hole, one end of the air hole is provided with an annular groove, one side of the annular groove is provided with a metal ring, one side of the metal ring is provided with a rubber ring, and the center of the rubber ring is provided with a circular hole; the driving motor is installed in the center of the upper surface of the rectangular base, a first gear is installed at the rotating end of the driving motor, and a second gear meshed with the first gear is installed at one end of the rotating cylinder.

Further, the preliminary filtering mechanism comprises a supporting frame arranged at one end of the rectangular base, a feeding box body is arranged at the upper end of the supporting frame, two bearings II are arranged on two sides of the feeding box body, rotating shafts are arranged on the inner rings of the bearings II, connecting fins are arranged on the side surfaces of the rotating shafts, a driven wheel is arranged at one end of each rotating shaft, a rotating motor is arranged at one end of the rectangular base, a driving wheel is rotatably arranged on the rotating motor, and a transmission belt is arranged between the driving wheel and the driven wheel; the upper end of the feeding box body is provided with a grid net; the lower end of the feeding box body is provided with a guide chute.

Furthermore, a collecting hopper is installed at one end of the upper surface of the rectangular base.

The utility model has the beneficial effects that: the sand screen mechanism has the advantages that the phenomenon that the screen holes are blocked by sand can be effectively prevented under the action of the drying sand screen mechanism, drying operation can be carried out while sand is screened efficiently, and working efficiency is greatly improved.

Drawings

FIG. 1 is a schematic structural diagram of a sand screening and drying device for building construction according to the present invention;

FIG. 2 is a partial schematic view of a drying and screening mechanism;

FIG. 3 is a schematic top view of the feed box;

FIG. 4 is a schematic cross-sectional view of a rotary drum;

FIG. 5 is an enlarged schematic view of the vent;

FIG. 6 is a schematic view of a stop collar;

in the figure, 1, a rectangular base; 2. a bearing support; 3. a first bearing; 4. a rotating cylinder; 5. an L-shaped scraper plate; 6. a rectangular hole; 7. screening a screen; 8. a limiting ring; 9. an L-shaped bracket I; 10. a sealing cylinder; 11. a hot air blower; 12. air holes are formed; 13. an annular groove; 14. a metal ring; 15. a rubber ring; 16. a support frame; 17. a feed box body; 18. a second bearing; 19. a rotating shaft; 20. connecting fins; 21. a driven wheel; 22. a rotating electric machine; 23. a driving wheel; 24. a transmission belt; 25. a grid net; 26. a collecting hopper; 27. a circular hole; 28. a material guide chute; 29. a drive motor; 30. a first gear; 31. and a second gear.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, and as shown in fig. 1-6, the sand sieving and drying device for building construction comprises a rectangular base 1, wherein one end of the rectangular base 1 is provided with a preliminary filtering mechanism, and the other end of the rectangular base 1 is provided with a drying and sand sieving mechanism;

the drying sand screening mechanism comprises bearing supports 2 arranged at two ends of a rectangular base 1, a bearing I3 is arranged at the upper end of each bearing support 2, a rotating cylinder 4 is arranged on the inner ring of each bearing I3, an L-shaped scraper 5 is arranged on the inner side of each rotating cylinder 4, a plurality of rectangular holes 6 are formed in one end of each rotating cylinder 4, a screen 7 is arranged on one side of each rectangular hole 6, and a limiting ring 8 is arranged at one end of each rotating cylinder 4; the two ends of the rectangular base 1 are provided with a first L-shaped support 9, the upper end of the first L-shaped support 9 is provided with a sealing cylinder 10, the two ends of the sealing cylinder 10 are fixedly connected with the first L-shaped support 9, the upper end of the first L-shaped support 9 is provided with a hot air blower 11, and the hot air blower 11 and the sealing cylinder 10 are in an intercommunicated state; the side surface of the sealing cylinder 10 is provided with an air hole 12, one end of the air hole 12 is provided with an annular groove 13, one side of the annular groove 13 is provided with a metal ring 14, one side of the metal ring 14 is provided with a rubber ring 15, the center of the rubber ring 15 is provided with a circular hole 27, the center of the upper surface of the rectangular base 1 is provided with a driving motor 29, the rotating end of the driving motor 29 is provided with a first gear 30, and one end of the rotating cylinder 4 is provided with a second gear 31 meshed with the first gear 30.

The primary filtering mechanism comprises a supporting frame 16 arranged at one end of a rectangular base 1, a feeding box body 17 is arranged at the upper end of the supporting frame 16, two bearings 18 are arranged on two sides of the feeding box body 17, a rotating shaft 19 is arranged on the inner ring of each bearing 18, a connecting fin 20 is arranged on the side surface of each rotating shaft 19, a driven wheel 21 is arranged at one end of each rotating shaft 19, a rotating motor 22 is arranged at one end of the rectangular base 1, a driving wheel 23 is rotatably arranged on each rotating motor 22, and a transmission belt 24 is arranged between each driving wheel 23 and each driven wheel 21; the upper end of the feeding box body 17 is provided with a grid net 25; the lower end of the feeding box body 17 is provided with a material guide groove 28.

A collecting hopper 26 is arranged at one end of the upper surface of the rectangular base 1; the sand or impurities can be prevented from being discharged too fast by the action of the stop collar 8.

In this embodiment, the electric equipment of the equipment is controlled by an external controller to control the rotation of the rotating motor 22, the rotation of the rotating motor 22 drives the driving wheel 23 to rotate, the driving wheel 23 drives the driven wheel 21 to rotate through the transmission belt 24, and the driven wheel 21 drives the rotating shaft 19 and the connecting fins 20 to rotate; meanwhile, the controller controls the driving motor 29 to rotate, the first gear 30 is driven by the rotation of the driving motor 29 to rotate, the second gear 31 is driven by the first gear 30 to rotate, the rotating cylinder 4 is driven by the rotation of the second gear 31 to rotate, and the rotating cylinder 4 can stably rotate under the action of the first bearing 3; meanwhile, the controller also controls the hot air blower 11 to work, the hot air is blown into the sealing cylinder 10 by the work of the hot air blower 11, and the circular hole 27 in the center of the rubber ring 15 can be opened after the air pressure in the sealing cylinder 10 reaches a certain degree, so that the hot air is ejected from the circular hole 27 at high speed; when the air pressure is low, the circular hole 27 is in a closed state, so that a large amount of sand is prevented from flowing backwards;

during sand screening, sand is conveyed to the position right above the feeding box body 17 through external equipment, then the sand enters the feeding box body 17 through the grid net 25, the hard blocks with larger diameter can be filtered out by the function of the grid net 25, and by the design of the slope of the grid net 25, the hard blocks can automatically roll down, after the sand enters the feeding box body 17, the sand can be effectively scattered through the rotation of the connecting fins 20, the sand has uniform density, certain looseness is kept, the scattered sand falls to one end of the rotating cylinder 4 through the guide chute 28, and through the rotation of the rotating cylinder 4 by inclining a certain angle, the sand can rotate along with the rotary cylinder 4, the sand can be stirred under the action of the L-shaped scraper 5, when the sand just begins to enter between the sealing cylinder 10 and the rotary cylinder 4, at the moment, the sand has high humidity and certain viscosity, and part of the sand rotates for a whole circle along with the rotating cylinder 4; however, as the drying is continued, the sand is gradually loosened, most of the sand is kept at the bottom of the rotary drum 4 under the action of gravity, and is rolled to a certain extent (the length of the sealing drum 10 is controlled according to actual requirements, so that the sand is sufficiently dried), when the sand moves from the left side to the right side, the sand can be screened through the screen 7, and the sand with smaller particles falls into the collecting hopper 26 through the screen 7 to be collected, and is transported through external transportation equipment; the impurities with larger particles are discharged through the lower end of the rotary cylinder 4.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. A sand screening and drying device for building construction comprises a rectangular base (1), wherein one end of the rectangular base (1) is provided with a primary filtering mechanism, and the sand screening and drying device is characterized in that the other end of the rectangular base (1) is provided with a sand drying and screening mechanism;

the drying sand screening mechanism comprises bearing supports (2) arranged at two ends of a rectangular base (1), a first bearing (3) is arranged at the upper end of each bearing support (2), a rotating cylinder (4) is arranged at the inner ring of each first bearing (3), an L-shaped scraper (5) is arranged on the inner side of each rotating cylinder (4), a rectangular hole (6) is formed in one end of each rotating cylinder (4), a plurality of rectangular holes (6) are formed, a screen (7) is arranged on one side of each rectangular hole (6), and a limiting ring (8) is arranged at one end of each rotating cylinder (4); the air conditioner is characterized in that L-shaped supports I (9) are mounted at two ends of the rectangular base (1), a sealing cylinder (10) is mounted at the upper end of each L-shaped support I (9), two ends of each sealing cylinder (10) are fixedly connected with the corresponding L-shaped support I (9), an air heater (11) is mounted at the upper end of each L-shaped support I (9), and the air heaters (11) and the sealing cylinders (10) are in an intercommunicated state; the side surface of the sealing cylinder (10) is provided with an air vent (12), one end of the air vent (12) is provided with an annular groove (13), one side of the annular groove (13) is provided with a metal ring (14), one side of the metal ring (14) is provided with a rubber ring (15), and the center of the rubber ring (15) is provided with a circular hole (27); the center of the upper surface of the rectangular base (1) is provided with a driving motor (29), a first gear (30) is arranged at the rotating end of the driving motor (29), and a second gear (31) meshed with the first gear (30) is arranged at one end of the rotating cylinder (4).

2. The sand screening and drying device for building construction as claimed in claim 1, wherein the preliminary filtering mechanism comprises a support frame (16) mounted at one end of a rectangular base (1), a feeding box body (17) is mounted at the upper end of the support frame (16), two bearings (18) are mounted at two sides of the feeding box body (17), a rotating shaft (19) is mounted at the inner ring of each bearing (18), a connecting fin (20) is mounted on the side surface of each rotating shaft (19), a driven wheel (21) is mounted at one end of each rotating shaft (19), a rotating motor (22) is mounted at one end of the rectangular base (1), a driving wheel (23) is rotatably mounted on each rotating motor (22), and a transmission belt (24) is mounted between each driving wheel (23) and each driven wheel (21); the upper end of the feeding box body (17) is provided with a grid net (25); and a guide chute (28) is arranged at the lower end of the feeding box body (17).

3. The sand screening and drying device for building construction as claimed in claim 1, wherein one end of the upper surface of the rectangular base (1) is provided with a collecting hopper (26).