CN115382749A

CN115382749A - Sand screening equipment that construction used

Info

Publication number: CN115382749A
Application number: CN202211115056.2A
Authority: CN
Inventors: 肖浩繁
Original assignee: Beijing Zhonghai Xingda Construction Co ltd
Current assignee: Beijing Zhonghai Xingda Construction Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-11-25

Abstract

The invention discloses sand screening equipment for building construction, which comprises a sand screening box fixed on a base through a mounting frame, wherein the sand screening box is provided with a feeding cavity, a connecting cavity, a discharging groove and two screening cavities; the screening sand box is provided with two rotating shafts in a rotating mode, a supporting driving part is arranged between the screening sand box and the two rotating shafts, two screening seats are fixedly arranged on the rotating shafts, and the two screening seats are located in corresponding screening cavities respectively. Has the advantages that: the work that utilizes servo gear motor can drive the screening seat fast and carry out certain range's reciprocal deflection to make the sand that is located corresponding screening seat move on corresponding screening plate along with the rotation of screening seat, thereby be convenient for better sieve husky.

Description

Sand screening equipment that construction used

Technical Field

The invention relates to the technical field of building construction, in particular to sand screening equipment used for building construction.

Background

The sand screening device is a device commonly used in building construction and is used for screening sand with required particle size (small particles, medium particles and large particles), the existing sand screening device is provided with two sieve plates (the aperture of the upper sieve plate is larger than that of the lower sieve plate) from top to bottom in a box body, then the sand to be screened is directly poured into the box body, and a rotatable rotating rod is arranged in the box body, so that a certain stirring effect is achieved on the sand, and the sand is convenient to screen;

however, the rotating rod cannot well drive the sand to move, the screening effect is relatively slow (large particles are easy to block on the screen plate), and therefore, the rotating rod and the screen plate provide a sand screening device for building construction to solve the problems.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a sand screening device for building construction.

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

a sand screening device for building construction comprises a sand screening box fixed on a base through a mounting frame, wherein the sand screening box is provided with a feeding cavity, a connecting cavity, a discharging groove and two screening cavities;

the screening sand box is rotatably provided with two rotating shafts, a supporting driving part is arranged between the screening sand box and the two rotating shafts, two screening seats are fixedly arranged on the two rotating shafts, the two screening seats are respectively positioned in corresponding screening cavities, annular elastic rings are fixedly sleeved on the two screening seats, and a screening plate is fixedly arranged in the two screening seats;

a rotating shaft is rotatably arranged on each of the two screening plates, and scraping parts matched with the screening plates are arranged on each of the two rotating shafts;

the sand screening box is provided with two connecting holes, the connecting holes are communicated with corresponding screening cavities, a round rod body is slidably mounted on each connecting hole, a rotating part is mounted between each round rod body and the corresponding rotating shaft, and isolating parts matched with the rotating parts are mounted in the two screening seats;

a magnetic moving part is arranged between the rotating shaft and the corresponding round rod body;

and the material receiving seat is arranged on the upper surface of the base.

In foretell screening sand equipment that construction used, the mounting bracket comprises two risers and a plurality of horizontal pole, the last fixed surface of base installs two risers, two one side fixed mounting that the riser is close to mutually has a plurality of horizontal poles, and the one end and the screening sandbox fixed connection of horizontal pole.

In foretell screening sand equipment that construction used, scrape the part and constitute by scraping pole, rubber strip, two all fixed cover is equipped with one in the pivot and scrapes the pole, two all fixed mounting has a rubber strip on scraping the pole.

In the sand screening device for building construction, the rotating part comprises a gear and a rack, one end of the circular rod body penetrates through the corresponding screening seat in a sliding mode and is fixedly provided with the rack, and the rotating shaft is fixedly provided with the gear meshed with the rack.

In foretell a screening sand equipment that construction used, the isolation part comprises bar box, circular box, and equal fixed mounting has a bar box, two in two screening seats equal fixed intercommunication has a circular box on the bar box, the upper end of pivot is rotated and is installed in corresponding circular box, the gear is located corresponding circular box, rack slidable mounting is in corresponding bar box, the circular body of rod slides and runs through corresponding bar box.

In foretell screening sand equipment that construction used, it comprises the cover body, drive belt, servo gear motor and drive wheel to support the drive part, the outside fixed mounting of screening sand case has the cover body, two the equal fixed mounting of part that the axis of rotation is located the cover body has a drive wheel, two the cover is equipped with a drive belt between the drive wheel, the outside table fixed mounting of the cover body has servo gear motor, and the one end of one of them axis of rotation runs through the cover body and with this servo gear motor's drive end fixed connection.

In foretell screening sand equipment that construction used, magnetism moving part hides dog, axis body, pinion and gear wheel by circular magnetic path, connecting rod, arc magnetic path, arc and constitutes, two the equal fixed mounting of one end that the cover body was kept away from to the circular body of rod has a circular magnetic path, two axis bodies are installed in the outside rotation of screening sandbox, two equal fixed mounting has a pinion, two on the axis body equal fixed mounting has one with pinion matched with gear wheel, two in the axis of rotation the axis body all has two arc magnetic paths through two connecting rod fixed mounting, and two corresponding arc magnetic path homonymy magnetism is opposite.

In the sand screening equipment that foretell construction used, two equal fixed mounting has one to hide the dog with connecting hole matched with arc on the circular body of rod, and the arc hides one side of dog and the inner wall laminating in corresponding screening chamber.

Compared with the prior art, the invention has the advantages that:

1: the servo speed reducing motor can be used as a power source of the sand screening equipment, the sand screening and the collection operation after sand screening can be completed, the operation is simple and convenient, and the trouble and the labor are saved.

2: set up relative screening plate and can take place the pivoted pivot, be convenient for effectual reduction screening plate in the use emergence of the jam condition.

3: the magnetic moving part is arranged so that the rotating shaft can apply constantly changing magnetic force (attraction and repulsion staggered application) to the circular magnetic block in the rotating process, and therefore the circular rod body is driven to slide, the rack is driven to move, and finally the rotating shaft is rotated.

4: the setting of isolation component makes gear and gear all be in a relative airtight environment and carries out the cooperation motion to avoid husky and gear to take place the contact, ensure that the two accurate cooperation is used.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the cover portion of FIG. 1;

FIG. 3 is a cross-sectional structural view of the portion of the screen box of FIG. 1;

FIG. 4 is an enlarged schematic view of the screening deck portion of FIG. 3;

FIG. 5 is an enlarged view of the structure of portion A in FIG. 4;

FIG. 6 is a schematic structural view of the sand screen of FIG. 3;

FIG. 7 is a rear view of the sand screen of FIG. 1;

fig. 8 is an enlarged view of a portion B in fig. 7.

In the figure: 1 screening sandbox, 2 bases, 3 risers, 4 horizontal poles, 5 advance the sand pipe, 6 feeding chambers, 7 connection chambers, 8 blown down tanks, 9 screening chambers, 10 axes of rotation, 11 screening seats, 12 annular elastic rings, 13 screening plates, 14 axes of rotation, 15 scraping rods, 16 rubber strips, 17 strip-shaped boxes, 18 circular boxes, 19 gears, 20 racks, 21 cover bodies, 22 transmission belts, 23 servo gear motors, 24 connecting holes, 25 circular magnetic blocks, 26 connecting rods, 27 arc-shaped magnetic blocks, 28 arc-shaped shielding blocks, 29 material receiving seats.

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 and 6, a sand sieving device for building construction comprises a sand sieving box 1 fixed on a base 2 through a mounting frame, wherein the sand sieving box 1 is provided with a feeding cavity 6, a connecting cavity 7, a discharging chute 8 and two sieving cavities 9, the feeding cavity 6, the connecting cavity 7 and the discharging chute 8 are all communicated with the adjacent sieving cavities 9, a sand inlet pipe 5 is fixedly communicated with the sand sieving box 1, and the lower end of the sand inlet pipe 5 is positioned in the feeding cavity 6;

the above is noteworthy for the following two points:

1. the mounting frame consists of two vertical plates 3 and a plurality of cross rods 4, the two vertical plates 3 are fixedly mounted on the upper surface of the base 2, the cross rods 4 are fixedly mounted on one sides, close to the two vertical plates 3, of the two vertical plates 3, and one ends of the cross rods 4 are fixedly connected with the sand screening box 1;

the setting of mounting bracket plays the fixed effect of support to screening sandbox 1.

2. The end face of the connecting chamber 7 is shaped as shown in figure 3 and this shape is arranged to dispense the screened sand after subsequent screening.

Referring to fig. 1 and fig. 3-5, two rotating shafts 10 are rotatably mounted on a sand screening box 1, a supporting driving part is mounted between the sand screening box 1 and the two rotating shafts 10, a screening seat 11 is fixedly mounted on each of the two rotating shafts 10, the two screening seats 11 are respectively located in corresponding screening cavities 9, an annular elastic ring 12 is fixedly sleeved on each of the two screening seats 11, and a screening plate 13 is fixedly mounted in each of the two screening seats 11;

a rotating shaft 14 is rotatably arranged on each of the two screening plates 13, and scraping parts matched with the screening plates 13 are arranged on each of the two rotating shafts 14;

the following points are notable:

1. the supporting driving part consists of a cover body 21, a transmission belt 22, a servo speed reducing motor 23 and transmission wheels, the cover body 21 is fixedly installed outside the sand screening box 1, the transmission wheels are fixedly installed on the parts, located in the cover body 21, of the two rotating shafts 10, the transmission belt 22 is sleeved between the two transmission wheels, the servo speed reducing motor 23 is fixedly installed on the outer surface of the cover body 21, and one end of one rotating shaft 10 penetrates through the cover body 21 and is fixedly connected with the driving end of the servo speed reducing motor 23;

the supporting driving part is arranged to enable the two rotating shafts 10 to rotate simultaneously when needed, and in the sand screening process, the servo speed reducing motor 23 controls the rotating shafts 10 to rotate at a certain angle (the left and right deflection is 30 degrees optimal), so that the sand entering the corresponding screening seat 11 cannot slide out of the reciprocating deflection process.

2. The lower ends of the two screening seats 11 are both provided with meshes (which divide sand into small particles, medium particles and large particles) slightly larger than the medium aperture, and the size of the meshes arranged on the screening seats 11 is slightly larger than the medium particle size.

3. The scraping component consists of a scraping rod 15 and a rubber strip 16, the two rotating shafts 14 are fixedly sleeved with the scraping rod 15, and the two scraping rods 15 are fixedly provided with the rubber strip 16;

the scraping elements are arranged so that the shaft 14, when rotated, provides a scraping anti-jamming effect on the surface of the respective screen plate 13.

4. Mesh size of the upper screen plate 13 the mesh size of the lower screen plate 13, the upper screen plate 13 allowing small and medium particle sand to pass through but not large particle sand, and the lower screen plate 13 allowing small particle sand but not medium particle sand to pass through.

Referring to fig. 1, 6-8, two connecting holes 24 are formed in the sand screening box 1, the connecting holes 24 are communicated with the corresponding screening cavities 9, a circular rod body is slidably mounted on each of the two connecting holes 24, a rotating part is mounted between each circular rod body and the corresponding rotating shaft 14, and isolating parts matched with the rotating parts are mounted in the two screening seats 11;

the following points are notable:

1. the rotating part consists of a gear 19 and a rack 20, one end of each of the two round rod bodies penetrates through the corresponding screening seat 11 in a sliding manner and is fixedly provided with the rack 20, and the two rotating shafts 14 are fixedly provided with the gears 19 meshed with the racks 20;

the rack 20 can drive the rotating shaft 14 to rotate while moving due to the arrangement of the rotating part, the scraping rod 15 can be driven to rotate by the rotation of the rotating shaft 14, and the solder-resisting part and the scraping rod 15 can move along with the deflection of the screening seat 11.

2. The isolation component consists of a strip-shaped box body 17 and a circular box body 18, the strip-shaped box body 17 is fixedly arranged in each of the two screening seats 11, the circular box bodies 18 are fixedly communicated with the two strip-shaped box bodies 17, the upper end of the rotating shaft 14 is rotatably arranged in the corresponding circular box body 18, the gear 19 is positioned in the corresponding circular box body 18, the rack 20 is slidably arranged in the corresponding strip-shaped box body 17, and the circular rod body slidably penetrates through the corresponding strip-shaped box body 17;

3. the arrangement of the isolation component enables the gear 19 and the rack 20 to be in a relatively closed environment for matching movement, so that the contact between sand and the gear 19 and the rack 20 is avoided, and the accurate matching use of the gear 19 and the rack 20 is ensured.

Referring to fig. 1, 7 and 8, a magnetic moving member is installed between the rotating shaft 10 and the corresponding circular rod body;

the following points are notable:

1. the magnetic moving component comprises a circular magnetic block 25, a connecting rod 26, arc-shaped magnetic blocks 27, an arc-shaped blocking block 28, shafts, a pinion and a gearwheel, one end of each of the two circular rods, which is far away from the cover body 21, is fixedly provided with the circular magnetic block 25, the outside of the sand screening box 1 is rotatably provided with the two shafts, the two shafts are fixedly provided with the pinion, the two rotating shafts 10 are fixedly provided with the gearwheel matched with the pinion, the two shafts are fixedly provided with the two arc-shaped magnetic blocks 27 through the two connecting rods 26, and the same sides of the two corresponding arc-shaped magnetic blocks 27 are opposite in magnetism;

the magnetic moving component is arranged to enable the rotating shaft 10 to apply a constantly changing magnetic force (attraction, repulsion, staggered application) to the circular magnet 25 during the rotation process, so as to drive the circular rod body to slide, and drive the rack 20 to move.

2. An arc-shaped baffle block 28 matched with the connecting hole 24 is fixedly arranged on each of the two circular rod bodies, and one side of each arc-shaped baffle block 28 is attached to the inner wall of the corresponding screening cavity 9;

the provision of the arcuate blocks 28 provides a barrier to adjacent apertures 27 so that the sand screening box 1 is in a relatively closed position during screening of rocks.

3. The upper surface of base 2 has been placed and has been connect material seat 29, sets up and connects material seat 29 to be used for collecting the husky after the screening, and the sand that corresponds small granule, well granule and large granule is collected with different material seat 29 (to placing connect material seat 29 on base 2 change can).

In this regard, the term "fixedly attached" is to be understood broadly, unless otherwise specifically stated or limited, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

In the invention, sand to be screened is poured into the sand screening box 1 through the sand inlet pipe 5, then the servo speed reducing motor 23 is started, the servo speed reducing motor 23 works to drive the rotating shaft 10 fixedly connected with the servo speed reducing motor to rotate, the other rotating shaft 10 is driven to rotate together under the coordination of the transmission gear and the transmission belt 22 (the two rotating shafts 10 carry out reciprocating deflection with a certain amplitude),

the rotation shaft 10 rotates to drive the screening seats 11 to rotate, so that the sand in the corresponding screening seats 11 moves on the corresponding screening plates 13 along with the rotation of the screening seats 11 (the sand slides on the screening plates 13 from one end at a higher position to one end at a lower position under the action of gravity), and the sand screening is facilitated better;

the rotating shaft 10 can drive the shaft body to rotate through the matching of the large gear and the small gear in the rotating process, the shaft body rotates to drive the arc-shaped magnetic block 27 to rotate through the connecting rod 26 (the arc-shaped magnetic block 27 can rotate 180 degrees by taking the shaft body as a center), so that the relation of magnetic force borne by the circular magnetic block 25 is continuously changed (mutual repulsion and mutual attraction are changed), the circular magnetic block 25 drives the circular rod body to move, the circular rod body moves to drive the rack 20 to move, the rack 20 moves to drive the rotating shaft 14 to rotate through the gear 19, the surface of the corresponding screening plate 13 can be scraped through the rotation of the rotating shaft 14, the occurrence of blocking conditions is reduced, and the sand screening can be better performed;

small-particle sand falls downwards and is finally collected by the material seat 29, after the small-particle sand is collected, the material seat 29 is removed and is placed into an empty material seat 29 again, the rotating shaft 10 is controlled to rotate for 180 degrees through the servo speed reduction motor 23 (in the rotating process, when large-particle sand intercepted by the upper screening plate 13 does not slide downwards through the connecting cavity 7 due to the shape of the connecting cavity 7, the opening of the lower screening plate 13 rotates to one side of the lower end of the connecting cavity 7, and the rotating shaft 10 rotates clockwise in the direction shown in fig. 3), so that the particles intercepted by the lower screening plate 13 automatically fall downwards into the material seat 29 under the action of gravity (at this time, the upper large-particle sand is located in the connecting cavity 7 or part of the upper screening cavity 9, but cannot enter the upper screening seat 11 again along with the rotation of the screening seat 11);

after the middle-sized particle sand collection is finished, the rotating shaft 10 is controlled to rotate through the rotating shaft 23, so that the screening plate 13 rotates to the state shown in fig. 3, the large-particle sand is collected on the screening plate 13 below, then the screening seat 11 rotates 180 degrees, the large-particle sand can fall downwards, and the large-particle sand is collected by the empty material receiving seat 29.

Claims

1. The sand screening device for building construction comprises a sand screening box (1) fixed on a base (2) through a mounting frame, and is characterized in that the sand screening box (1) is provided with a feeding cavity (6), a connecting cavity (7), a discharging groove (8) and two screening cavities (9), the feeding cavity (6), the connecting cavity (7) and the discharging groove (8) are communicated with the adjacent screening cavities (9), a sand inlet pipe (5) is fixedly communicated with the sand screening box (1), and the lower end of the sand inlet pipe (5) is positioned in the feeding cavity (6);

the sand screening box (1) is rotatably provided with two rotating shafts (10), a supporting driving part is arranged between the sand screening box (1) and the two rotating shafts (10), the two rotating shafts (10) are both fixedly provided with a screening seat (11), the two screening seats (11) are respectively positioned in corresponding screening cavities (9), the two screening seats (11) are both fixedly sleeved with an annular elastic ring (12), and a screening plate (13) is fixedly arranged in the two screening seats (11);

a rotating shaft (14) is rotatably arranged on each of the two screening plates (13), and scraping parts matched with the screening plates (13) are arranged on each of the two rotating shafts (14);

two connecting holes (24) are formed in the sand screening box (1), the connecting holes (24) are communicated with corresponding screening cavities (9), a round rod body is slidably mounted on each of the two connecting holes (24), a rotating part is mounted between each round rod body and the corresponding rotating shaft (14), and isolating parts matched with the rotating parts are mounted in the two screening seats (11);

a magnetic moving part is arranged between the rotating shaft (10) and the corresponding circular rod body;

and a material receiving seat (29) is arranged on the upper surface of the base (2).

2. The sand screening device for building construction according to claim 1, wherein the mounting frame is composed of two vertical plates (3) and a plurality of cross rods (4), the two vertical plates (3) are fixedly mounted on the upper surface of the base (2), the two vertical plates (3) are fixedly mounted on one side close to each other, the cross rods (4) are fixedly mounted on one side, and one ends of the cross rods (4) are fixedly connected with the sand screening box (1).

3. The sand screening device for building construction according to claim 1, wherein the scraping component comprises a scraping rod (15) and a rubber strip (16), the two rotating shafts (14) are fixedly sleeved with the scraping rod (15), and the two scraping rods (15) are fixedly provided with the rubber strip (16).

4. The sand screening device for building construction according to claim 1, wherein the rotating part comprises a gear (19) and a rack (20), one end of each of the two circular rod bodies penetrates through the corresponding screening seat (11) in a sliding manner and is fixedly provided with the rack (20), and the gears (19) meshed with the racks (20) are fixedly arranged on the two rotating shafts (14).

5. The sand screening device for building construction according to claim 4, wherein the isolation component is composed of a bar-shaped box body (17) and a circular box body (18), one bar-shaped box body (17) is fixedly installed in each of the two screening seats (11), the circular box body (18) is fixedly communicated with each of the two bar-shaped box bodies (17), the upper end of the rotating shaft (14) is rotatably installed in the corresponding circular box body (18), the gear (19) is located in the corresponding circular box body (18), the rack (20) is slidably installed in the corresponding bar-shaped box body (17), and the circular rod body penetrates through the corresponding bar-shaped box body (17) in a sliding manner.

6. The sand screening device for building construction according to claim 1, wherein the supporting and driving component is composed of a cover body (21), a transmission belt (22), a servo speed reducing motor (23) and transmission wheels, the cover body (21) is fixedly installed outside the sand screening box (1), one transmission wheel is fixedly installed on the part, located in the cover body (21), of each of the two rotating shafts (10), one transmission belt (22) is sleeved between the two transmission wheels, the servo speed reducing motor (23) is fixedly installed on the outer surface of the cover body (21), and one end of one rotating shaft (10) penetrates through the cover body (21) and is fixedly connected with the driving end of the servo speed reducing motor (23).

7. The sand screening device for building construction as claimed in claim 6, wherein the magnetic moving part is composed of a circular magnetic block (25), a connecting rod (26), an arc-shaped magnetic block (27), an arc-shaped shielding block (28), a shaft body, a pinion and a gear wheel, wherein the circular magnetic block (25) is fixedly mounted at one end of the circular rod body far away from the cover body (21), two shaft bodies are mounted on the external rotation of the sand screening box (1), the pinion is fixedly mounted on the shaft body, the gear wheel matched with the pinion is fixedly mounted on the rotating shaft (10), the two arc-shaped magnetic blocks (27) are fixedly mounted on the shaft body through the two connecting rods (26), and the magnetism of the two corresponding arc-shaped magnetic blocks (27) is opposite to that of the same side.

8. The sand screening device for building construction as claimed in claim 7, characterized in that an arc-shaped blocking piece (28) matched with the connecting hole (24) is fixedly arranged on each of the two circular rod bodies, and one side of the arc-shaped blocking piece (28) is attached to the inner wall of the corresponding screening cavity (9).