CN211463788U - A kind of sand screening device for construction engineering - Google Patents

Abstract

The utility model discloses a sand screening device for building engineering construction, comprising a first screening material box and a second screening material box. The left end of a sieve box is provided with a feeding mechanism, the discharging end of the feeding mechanism communicates with the left port of the first sieve drum, and the right side of the first sieve box is provided with a second sieve box. The fine sand in the sand is screened and dropped through the first screen hole through the continuous rolling of the first screen drum, and then the remaining coarse sand is sent to the second screen drum under the action of the first spiral belt and passes through the second screen drum. The screen holes screen and drop the coarse sand, and under the action of the second spiral belt, the remaining sundries are discharged through the outlet at the right end of the second screen cylinder to achieve the separation and screening of coarse sand, fine sand and sundries, ensuring the sand The quality of construction and use has a good screening effect.

Description

A kind of sand screening device for construction engineering

technical field

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

Background technique

In the construction of the construction site, sand is used, and the sand cannot be used directly when it is purchased. The adulterated clods or other debris are separated out for the use of sand in construction.

The applicant of the present utility model found that the existing sand screening device cannot separate the coarse sand, fine sand and sundries at one time for sand screening, resulting in poor sand screening effect, and the existing sand screening device has no effect on the sand. The screening efficiency is not high.

Utility model content

The purpose of the utility model is to provide a sand screening device for construction engineering, which aims to improve the problems of poor screening effect and low screening efficiency of the existing sand screening device.

The utility model is realized in this way:

A sand screening device for building engineering construction, comprising a first screening material box and a second screening material box, the inner side of the first screening material box is provided with a first screen cylinder that penetrates horizontally and rotates continuously, and the first screening material box is The left end is provided with a feeding mechanism, the lower end of the feeding mechanism is communicated with the left port of the first screen cylinder, the right side of the first screen box is provided with a second screen box, and the first screen box and the second screen are The material boxes are fixedly connected by connecting rods. The inner side of the second screen material box is provided with a second screen cylinder that runs horizontally and continuously rotates, and the left end of the second screen cylinder is detachably connected to the right end of the first screen cylinder. The sieve drum and the second sieve drum are respectively provided with uniformly arranged first sieve holes and second sieve holes, and the hole diameter of the first sieve hole is smaller than the hole diameter of the second sieve hole. The inner side is respectively provided with a first spiral belt and a second spiral belt. The fine sand in the sand is screened and dropped through the first screen hole through the continuous rolling of the first screen cylinder. The remaining coarse sand is sent to the second sieve drum and the coarse sand is screened and dropped through the second sieve hole, and the remaining sundries are discharged through the outlet at the right end of the second sieve drum under the action of the second helical belt to achieve corrective action. The separation and screening of coarse sand, fine sand and sundries ensures the quality of sand construction and use, and has a good screening effect, and the sand is screened through the continuous rotation of the first screen drum and the second screen drum, and the automatic feeding of the sand is realized. Greatly improve the efficiency of sand screening.

Further, the feeding mechanism includes a hopper, the lower end of the hopper is provided with a discharge cylinder inclined downward to the right, and the right end of the discharge cylinder is installed in the left port of the first screen cylinder, and the inner side of the hopper is close to the lower port. The hopper is fixedly connected with the first screen box through the connecting plate, and the sand is transported into the hopper by the elevator and is continuously rotated through the feeding hopper. The rod realizes the crushing of the agglomerated sand and discharges it into the first screen drum through the discharge drum for screening.

Further, the left end of the second screening material box is provided with a fixed wall plate, and the front end surface of the second screening material box is provided with a first discharging chute near the lower end, and the second screening material box is provided with the first discharging chute. The discharge of the fine sand that has been screened.

Further, a ring gear is fixedly sleeved near the left end of the first sieve cylinder, and the ring gear is engaged with the gear on the output shaft of the motor on the upper side of the first sieve cylinder, and the motor is fixed on the fixed wall plate. Two opposite clamping blocks are arranged on the outer surface near the right end. The motor drives the ring gear to drive the first sieve cylinder to rotate continuously to realize screening, and the set clamping blocks realize the active clamping of the second sieve cylinder.

Further, the front end surface of the second screen material box is provided with a second discharge chute near the lower end position, and the front end surface of the second screen material box is provided with a clamping column that cooperates with the connecting rod, and the second screen material box passes through the provided No. The second discharge trough realizes the discharge of the screened coarse sand, and the fixing of the connecting rod is realized through the set clamping column.

Further, one end of the connecting rod is rotatably connected with the first screen box, and the other end of the connecting rod is provided with a U-shaped bayonet opening downward, and the U-shaped bayonet on the connecting rod is stuck on the clamping column by rotating the connecting rod. To achieve a fixed snap connection.

Further, the left end of the second sieve cylinder is provided with a connecting sleeve connected with the first sieve cylinder, and the inner side of the connecting sleeve is provided with a clamping groove matched with the clamping block, and the second sieve cylinder is sleeved on the right end of the first sieve cylinder through the connecting sleeve. The detachable and rotating connection is realized through the cooperation of the card slot and the card block.

Compared with the prior art, the beneficial effects of the present utility model are:

In the utility model, the fine sand in the sand is screened and dropped through the first sieve hole by rolling continuously through the set first sieve drum, and then the remaining coarse sand is sent to the second sieve drum under the action of the first spiral belt The coarse sand is screened and dropped through the second sieve hole, and the remaining debris is discharged through the outlet at the right end of the second sieve drum under the action of the second spiral belt to achieve the separation of coarse sand, fine sand and debris. The screening ensures the quality of sand construction and use, and has a good screening effect, and the sand is screened by the continuous rotation of the first screen drum and the second screen drum, and the automatic feeding of the sand is realized, which greatly improves the efficiency of sand screening.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is a perspective view of a sand screening device for construction of a construction project shown in the present utility model;

2 is a schematic diagram of the feeding mechanism of a sand screening device for construction of a building project shown in the present utility model;

3 is a schematic diagram of the first screen box of a sand screening device for construction of a construction project according to the present utility model;

4 is a schematic diagram of the first screen cylinder of a sand screening device for construction of a construction project shown in the present utility model;

5 is a schematic diagram of the second screen box of a sand screening device for construction of a construction project shown in the present utility model;

FIG. 6 is a schematic diagram of the second screen cylinder of a sand screening device for construction of a construction project according to the present invention.

In the figure: 1. Feeding mechanism; 11. Hopper; 12. Feeding rod; 13. Discharging cylinder; 14. Connecting plate; 2. First screening box; 21. Fixed wall plate; 22. First discharging Slot; 3. The first sieve cylinder; 31. The gear ring; 32, The first sieve hole; 33, The block; 34, The first spiral belt; 4. The second sieve cylinder; 5. The second sieve cylinder; 51, the connecting sleeve; 52, the second sieve hole; 53, the clamping groove; 54, the second spiral belt;

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments of the present invention are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.

Embodiment 1, please refer to Fig. 1, Fig. 4 and Fig. 6 for details, a kind of sand screening device for building engineering construction, including the first screening material box 2 and the second screening material box 4, the first screening material box 2 The inner side is provided with a first sieve cylinder 3 that runs horizontally and continuously rotates, and the left end of the first sieve box 2 is provided with a feeding mechanism 1, and the lowering end of the feeding mechanism 1 is communicated with the left port of the first sieve cylinder 3, The right side of the first screen box 2 is provided with a second screen box 4, and the first screen box 2 and the second screen box 4 are fixedly connected by a connecting rod 6, and the inner side of the second screen box 4 is arranged There is a second sieve cylinder 5 that runs horizontally and continuously rotates, and the left end of the second sieve cylinder 5 is detachably connected to the right end of the first sieve cylinder 3, and the first sieve cylinder 3 and the second sieve cylinder 5 are respectively provided with uniform rows. The first sieve hole 32 and the second sieve hole 52 of the cloth, and the aperture of the first sieve hole 32 is smaller than the aperture of the second sieve hole 52, the inner side of the first sieve cylinder 3 and the second sieve cylinder 5 are respectively provided with a first spiral The belt 34 and the second spiral belt 54 continuously roll through the first screen cylinder 3 provided to screen the fine sand in the sand through the first screen hole 32 and drop it down. The coarse sand is sent to the second sieve drum 5, and the coarse sand is screened and dropped through the second sieve hole 52, and the remaining sundries are discharged through the outlet on the right end of the second sieve drum 5 under the action of the second spiral belt 54. The separation and screening of coarse sand, fine sand and debris can ensure the quality of sand construction and use, and has a good screening effect. The automatic feeding of sand greatly improves the efficiency of sand screening.

2, the feeding mechanism 1 includes a hopper 11, the lower end of the hopper 11 is provided with a discharge cylinder 13 inclined downward to the right, and the right end of the discharge cylinder 13 is arranged in the left port of the first screen cylinder 3, The inner side of the hopper 11 near the lower port is provided with a continuously rotating feeding rod 12, and the feeding rod 12 is provided with evenly arranged scrap teeth, and the hopper 11 is fixedly connected with the first screen box 2 through the connecting plate 14, The sand is transported into the feeding hopper 11 by the elevator, and the agglomerated sand is crushed by the continuously rotating feeding rod 12 and discharged into the first screen cylinder 3 through the discharging cylinder 13 for screening.

For details, please refer to FIG. 3 , the left end of the second screen box 2 is provided with a fixed wall plate 21 , and the front end surface of the second screen box 2 is provided with a first discharge chute 22 near the lower end. The second screen box 2 The discharge of the screened fine sand is realized through the provided first discharge chute 22 .

For details, please refer to FIG. 4 , the first screen cylinder 3 is fixedly sleeved with a gear ring 31 near the left end. The gear ring 31 is meshed with the gear on the output shaft of the motor on the upper side of the first screen cylinder 3 , and the motor is fixed in a fixed position. On the wall plate 21, two opposite blocks 33 are arranged on the outer surface of the first sieve cylinder 3 near the right end. 33 realizes the active snap connection to the second screen drum 5 .

For details, please refer to FIG. 5 , the front end surface of the second screen box 4 is provided with a second discharge slot 42 near the lower end, and the front end surface of the second screen box 4 is provided with a clamping column 41 that cooperates with the connecting rod 6 . , the second screen box 4 realizes the discharge of the screened coarse sand through the set second discharge chute 42, and realizes the fixing of the connecting rod 6 through the set clamping column 41, and one end of the connecting rod 6 is connected to the first The screen box 2 is connected in rotation, and the other end of the connecting rod 6 is provided with a U-shaped bayonet opening downward. By rotating the connecting rod 6, the U-shaped bayonet on the connecting rod 6 is clamped on the clamping column 41 to realize a fixed clamping connection. .

For details, please refer to FIG. 6 , the left end of the second sieve cylinder 5 is provided with a connecting sleeve 51 connected to the first sieve cylinder 3 , and the inner side of the connecting sleeve 51 is provided with a clamping groove 53 that cooperates with the clamping block 33 . The drum 5 is sleeved on the right end of the first screen drum 3 through a connecting sleeve 51 and a detachable rotational connection is realized through the cooperation of the clamping groove 53 and the clamping block 33 .

Working principle: when the utility model is used, the sand is transported into the hopper 11 through the elevator, and the agglomerated sand is crushed and discharged into the first sieve cylinder 3 through the discharge cylinder 13 through the continuously rotating feeding rod 12. Inside, the motor drives the ring gear 31 to drive the first sieve cylinder 3 to rotate continuously for screening, and the remaining coarse sand is discharged into the second sieve cylinder 5 through the first spiral belt 34 for screening and is screened out through the second spiral belt 54. When the sand screening device of the present invention needs to be transported, the first screen box 2 and the second screen box 4 can be separated by opening the connecting rod 6, which takes up less space and is convenient for transportation.

The device obtained through the above design can basically meet the use of the existing sand screening device with good screening effect and high screening efficiency, but in line with the purpose of further improving its function, the designer has further improved the device.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a screening sand device for building engineering construction, includes first sieve workbin (2) and second sieve workbin (4), its characterized in that: the inner side of the first sieve box (2) is provided with a first sieve cylinder (3) which transversely penetrates through and continuously rotates, the left end of the first sieve box (2) is provided with a feeding mechanism (1), the discharging end of the feeding mechanism (1) is communicated with the left port of the first sieve cylinder (3), the right side of the first sieve box (2) is provided with a second sieve box (4), the first sieve box (2) and the second sieve box (4) are fixedly connected through a connecting rod (6), the inner side of the second sieve box (4) is provided with a second sieve cylinder (5) which transversely penetrates through and continuously rotates, the left end of the second sieve cylinder (5) is detachably connected with the right end of the first sieve cylinder (3), the first sieve cylinder (3) and the second sieve cylinder (5) are respectively provided with first sieve holes (32) and second sieve holes (52) which are uniformly distributed, and the aperture of the first sieve holes (32) is smaller than the aperture of the second sieve holes (52), the inner sides of the first screen cylinder (3) and the second screen cylinder (5) are respectively provided with a first spiral belt (34) and a second spiral belt (54).

2. The sand screening device for building engineering construction according to claim 1, wherein the feeding mechanism (1) comprises a hopper (11), a discharge cylinder (13) inclined to the lower right is arranged at the lower end of the hopper (11), the right end of the discharge cylinder (13) is inserted into the left end of the first screen cylinder (3), a material stirring rod (12) rotating continuously is arranged close to the lower end of the inner side of the hopper (11), crushed material teeth distributed uniformly are arranged on the material stirring rod (12), and the hopper (11) is fixedly connected with the first screen box (2) through a connecting plate (14).

3. The sand screening device for building engineering construction according to claim 2, wherein the left end of the second screening box (4) is provided with a fixed wall plate (21), and the front end surface of the second screening box (4) is provided with a first discharging groove (22) near the lower end.

4. The sand screening device for building engineering construction according to claim 3, wherein the first screen drum (3) is fixedly sleeved with a gear ring (31) near the left end, the gear ring (31) is meshed with a gear on an output shaft of a motor on the upper side of the first screen drum (3), the motor is fixed on the fixed wall plate (21), and two opposite clamping blocks (33) are arranged near the right end on the outer side surface of the first screen drum (3).

5. The sand screening device for building engineering construction according to claim 4, wherein the front end surface of the second screening box (4) is provided with a second discharge groove (42) near the lower end position, and the front end surface of the second screening box (4) is provided with a clamping column (41) matched with the connecting rod (6).

6. The sand screening device for construction of building engineering according to claim 5, wherein one end of the connecting rod (6) is rotatably connected with the first screening box (2), and the other end of the connecting rod (6) is provided with a U-shaped bayonet opening downwards.

7. The sand screening device for the construction of the building engineering according to claim 6, wherein a connecting sleeve (51) connected with the first screen cylinder (3) is arranged at the left end of the second screen cylinder (5), and a clamping groove (53) matched with the clamping block (33) is arranged at the inner side of the connecting sleeve (51).

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