CN221638704U - Washing classifying vibrating screen for washing sand - Google Patents

Abstract

The utility model relates to a washing and grading vibrating screen for washed sand, and belongs to the technical field of washed sand production. Guide columns are fixedly installed on both sides of a frame, a screening bin can be slidably mounted on the guide columns through a sliding sleeve, a vibrating screen drive assembly is installed on the frame, and the vibrating screen drive assembly is connected to the screening bin in a transmission manner; a multi-layer screening net with successively decreasing mesh openings is installed in the screening bin from top to bottom, a multi-stage discharge hopper is docked at the end of the screening bin, a feeding device is installed on the top of the frame, a spray pipe is evenly installed on the frame, and the spray pipe is connected to a water supply system; the chute is at the bottom of the screening bin, and the end of the chute is connected to a washing pool; sand and stone grading and cleaning are integrated together, which shortens the length of the production line and reduces the space occupied by the plant area; the sand and stone are washed while rolling during the vibration grading process, and the soil on the surface of the sand and stone is fully washed to reduce the siltation of the soil, which can ensure the sand and stone washing effect, improve work efficiency, and reduce energy consumption; it can reduce the amount of water used for washing and save water resources.

Description

A vibrating screen for washing and grading water-washed sand

Technical Field

The utility model belongs to the technical field of water-washed sand production, and in particular relates to a water-washed sand cleaning and grading vibrating screen.

Background Art

Sand is an indispensable building material in the construction industry. When sand is mined, it often contains a small amount of soil. If the sand is not cleaned, it will be used directly as a building material, which will result in insufficient adhesion of the building material. Sand washing machine is a washing equipment for artificial sand (including natural sand). Sand washing machine is widely used in the washing of materials in sand and gravel fields, mines, building materials, transportation, chemical industry, water conservancy and hydropower, concrete mixing stations and other industries. It can remove impurities covering the surface of sand and gravel and improve the performance of sand. In order to improve the efficiency and effect of cleaning and crushing, it is necessary to clean the sand and gravel first, and then classify the sand and gravel before crushing. The commonly used in the prior art is the running water washing sand washing machine or immersion tank. The running water washing sand washing machine drives the sand and gravel with a conveyor belt and then washes it with running water. Because the sand and gravel are relatively static, it is easy to be mixed with mud blocks or silted soil between the sand and gravel, and the washing effect is poor. The immersion tank has low efficiency in sand and gravel salvage. After cleaning, classification is performed, and there are many processes and a long sand production line.

Utility Model Content

In order to overcome the problems in the background technology that the flowing water washing sand washing machine drives the sand and gravel with a conveyor belt and then washes it with flowing water, the sand and gravel are relatively static, and it is easy to be mixed with mud blocks or silted soil between the sand and gravel, resulting in poor washing effect; the leaching pool has low efficiency in sand and gravel salvage; the sand making production line is long due to the numerous processes required for classification after cleaning, the utility model provides a water-washed sand cleaning and grading vibrating screen; the utility model integrates sand and gravel grading and cleaning together, which shortens the length of the production line and reduces the space occupied by the plant; the sand and gravel are washed while rolling in the vibration grading process, which fully washes the soil on the surface of the sand and gravel and reduces the siltation of soil, thereby ensuring the sand and gravel washing effect, improving work efficiency and reducing energy consumption; it can reduce the amount of water used for washing and save water resources.

To achieve the above purpose, the utility model is implemented through the following technical solutions: a water-washed sand cleaning and grading vibrating screen mainly includes a frame 1, a screening bin 2, a guide column 3, a sliding sleeve 4, a vibrating screen drive assembly 5, a multi-stage discharge hopper 6, a feeding device 7, a chute 8, and a spray pipe 9. The guide column 3 is fixedly mounted on both sides of the frame 1, the sliding sleeve 4 is fixedly mounted on both sides of the screening bin 2, the screening bin 2 can be slidably mounted on the guide column 3 through the sliding sleeve 4, the vibrating screen drive assembly 5 is mounted on the frame 1, and the vibrating screen drive assembly 5 is transmission-connected to the screening bin 2; the screening Multiple layers of screening nets with decreasing mesh sizes are installed in sequence from top to bottom in an inclined manner in the bin 2. The multi-stage discharge hopper 6 is docked at the end of the screening bin 2. A gap is left between the multi-stage discharge hopper 6 and the screening bin 2 for the screening bin 2 to vibrate. The feeding device 7 is installed on the top of the frame 1. The feeding port of the feeding device 7 is docked at the front end of the top of the screening bin 2. The spray pipes 9 are evenly installed on the frame 1. The spray pipes 9 are located between the screening bin 2 and the feeding device 7. The spray pipes 9 are connected to the water supply system. The chute 8 is installed on the frame 1. The chute 8 is located at the bottom of the screening bin 2. The end of the chute 8 is connected to the washing pool.

The sieve net is surrounded by a fixing frame 21, and two sides of the sieve bin 2 are provided with slide grooves 22. The fixing frame 21 of the sieve net is inserted into the slide grooves 22 and fixed by bolt connection.

The screening net is provided with four layers, namely, from top to bottom, the primary screening net, the secondary screening net, the tertiary screening net, and the quaternary screening net. The primary screening net and the secondary screening net are composed of evenly distributed longitudinal diamond bars 23 and transverse triangular support rods 24. The bottom side of the transverse triangular support rod 24 is lower than the bottom of the longitudinal diamond bar 23. A crossbeam 25 supported at the bottom of the screening net is provided transversely in the screening bin 2.

The guide column 3 is installed tilted toward the inclined side of the screening net.

The guide column 3 is provided with a shock-absorbing airbag 31, the guide column 3 is provided with a supporting wing plate, the sliding sleeve 4 is provided with a pressing wing plate, and the shock-absorbing airbag 31 is located between the supporting wing plate and the pressing wing plate.

The multi-stage discharge hopper 6 is laterally installed with a partition 61 that extends obliquely to the bottom of each screening net, and a material channel is formed between the partitions 61. Each material channel forms a collection hopper 63 that is larger at the top and smaller at the bottom. The lower end of each collection hopper is connected to a material conveyor belt.

A flexible rubber plate 62 is connected between the gap between the multi-stage discharge hopper 6 and the screening bin 2 .

The vibrating screen drive assembly 5 includes a motor 51, an eccentric wheel 52, a connecting rod 53, and a short shaft 54. The motor 51 is installed on the frame 1, the eccentric wheel 52 is installed on the output shaft of the motor 51, the short shaft 54 is installed at the bottom of the screening bin 2, and the two ends of the connecting rod 53 are respectively hinged to the eccentric wheel 52 and the short shaft 54.

The feeding device 7 is a belt loader, including a support beam 71, a driving roller 72, a supporting roller 73, a conveyor belt 74, and a conveying motor 75. The driving roller 72 is installed at the end of the support beam 71, the conveyor belt 74 is installed on the support beam 71 through the driving roller 72 and the supporting roller 73, and the conveying motor 75 is installed on the support beam 71. The conveying motor 75 is connected to the driving roller 72 through a reducer.

The front end opening of the screening bin 2 forms an inspection door, and a rubber cover plate 11 is installed on the inspection door by bolts.

Beneficial effects of the utility model:

The utility model integrates sand and gravel classification and cleaning together, which shortens the length of the production line and reduces the space occupied by the factory area; the sand and gravel are washed while tumbling during the vibration classification process, which fully washes the soil on the surface of the sand and gravel and reduces the siltation of the soil, can ensure the sand and gravel washing effect, improve work efficiency, and reduce energy consumption; it can reduce the amount of water used for washing and save water resources.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic perspective view of the main shaft of the utility model.

FIG. 2 is a perspective view of the utility model from an elevation perspective.

FIG. 3 is a perspective diagram of the utility model from the rear axle. FIG.

FIG. 4 is a schematic diagram of the full cross-section structure of the utility model from a side view.

FIG. 5 is a schematic diagram of partial structure of the utility model from above.

FIG. 6 is a schematic diagram of the main axonometric view of part of the structure of the utility model.

FIG. 7 is a partial enlarged schematic diagram of point A in FIG. 6 .

FIG8 is a schematic perspective view of the main shaft of the multi-stage discharge hopper of the utility model.

9 is a perspective view of the utility model of a multi-stage discharge hopper.

FIG. 10 is a partially enlarged three-dimensional schematic diagram of the primary screening net and the secondary screening net of the utility model.

FIG. 11 is a schematic cross-sectional view of a primary screening net and a secondary screening net of the present invention.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to facilitate understanding by technicians.

The utility model discloses a water-washed sand cleaning and grading vibrating screen, which mainly comprises a frame 1, a screening bin 2, a guide column 3, a sliding sleeve 4, a vibrating screen drive assembly 5, a multi-stage discharge hopper 6, a feeding device 7, a chute 8, and a spray pipe 9. The guide column 3 is fixedly mounted on both sides of the frame 1, the sliding sleeve 4 is fixedly mounted on both sides of the screening bin 2, the screening bin 2 can be slidably mounted on the guide column 3 through the sliding sleeve 4, the vibrating screen drive assembly 5 is mounted on the frame 1, and the vibrating screen drive assembly 5 and the vibrating screen drive assembly 5 are fixedly mounted on the frame 1. The screening bin 2 is connected by transmission; the screening bin 2 is tilted and installed with multiple layers of screening nets with decreasing mesh size from top to bottom; the multi-stage discharge hopper 6 is docked at the end of the screening bin 2; a gap is left between the multi-stage discharge hopper 6 and the screening bin 2 for the screening bin 2 to vibrate; the feeding device 7 is installed on the top of the frame 1; the feeding port of the feeding device 7 is docked at the front end of the top of the screening bin 2; the spray pipe 9 is evenly installed on the frame 1; the spray pipe 9 is between the screening bin 2 and the feeding device 7; the spray pipe 9 is connected to the water supply system; the chute 8 is installed On the frame 1, the chute 8 is at the bottom of the screening bin 2, and the end of the chute 8 is connected to the washing pool; the sand and gravel after the initial crushing are transported to the top of the screening bin 2 through the feeding device 7, and the sand and gravel are directly cleaned, which can be beneficial to cleaning the soil on the surface of the sand and gravel (avoiding the soil from being fully mixed with the sand after the sand is made, the specific surface area of the sand and gravel is increased, and the cleaning is difficult). At the same time, the spray pipe 9 performs spray flushing, and the cleaning effect is promoted under the vibration of the screening bin 2; the sand and gravel are screened in turn through the screening net, and the sand and gravel of the corresponding size cannot be screened on the corresponding screening net, and after entering the multi-stage discharge hopper 6 from the end of the screening net, they are respectively transported to the corresponding equipment (returning to the initial crushing, fine crushing, and crushing) through the conveyor belt; the sand and gravel classification and cleaning are integrated together, which shortens the length of the production line and reduces the space occupied by the plant area; the sand and gravel are washed while rolling during the vibration classification process, and the soil on the surface of the sand and gravel is fully washed to reduce the siltation of the soil, which can ensure the sand and gravel washing effect, improve work efficiency, and reduce energy consumption; it can reduce the amount of water for flushing and save water resources.

The screening net is surrounded by a fixing frame 21, and slide grooves 22 are provided on both sides of the screening bin 2. The fixing frame 21 of the screening net is inserted into the slide groove 22 and fixed by bolt connection. The fixing frame 21 can effectively support and install the net surface; the bolt connection between the slide groove 22 and the fixing frame 21 facilitates the replacement and maintenance of the screening net (because the sand and stone are hard and heavy, the screening net is prone to wear and breakage).

The screening net is provided with four layers, which are the primary screening net, the secondary screening net, the tertiary screening net and the quaternary screening net from top to bottom. The primary screening net and the secondary screening net are composed of evenly distributed longitudinal diamond bars 23 and transverse triangular support rods 24. The sand and gravel of the primary screening net and the secondary screening net are large in size and quantity. The longitudinal diamond bars 23 and the transverse triangular support rods 24 can effectively improve the rigidity and strength of the screening net and extend the maintenance and replacement cycle of the screening net; the bottom side of the transverse triangular support rod 24 is lower than the bottom of the longitudinal diamond bar 23, and a crossbeam 25 supported at the bottom of the screening net is provided transversely in the screening bin 2. The diamond structure The support structure formed between the longitudinal diamond bars 23 of the structure is conducive to supporting larger materials and leaking out small-sized materials, and is not easy to get stuck (the support gap formed by the diamond structure: the upper structure is larger at the top and smaller at the bottom, and the materials that cannot pass through the middle position are easy to jump up under the action of vibration to avoid getting stuck; the lower structure is smaller at the top and larger at the bottom, and the materials that can pass through the middle position can fall smoothly); when the materials that cannot pass through the middle position slide down along the support gap formed by the diamond structure, they are supported to the bottom of the sand and gravel by the hypotenuse of the transverse triangular support rod 24, which can lift the sand and gravel and get out of the stuck state, which can effectively clean up the stuck stones and extend the manual cleaning cycle.

The guide column 3 is installed obliquely toward the inclined side of the screening net. Under the driving action of the vibrating screen drive assembly 5, the screening bin 2 vibrates along the direction of the guide column 3 (close to the vertical screening net surface), which is beneficial to shake up and roll the sand and gravel, and improve the cleaning effect and the screening and feeding effect.

The guide column 3 is provided with a shock-absorbing airbag 31, a supporting wing plate is provided on the guide column 3, a crimping wing plate is provided on the sliding sleeve 4, and the shock-absorbing airbag 31 is located between the supporting wing plate and the crimping wing plate. The shock-absorbing airbag 31 reduces the impact of the equipment on the vibrating screen drive assembly 5 and extends its service life.

The multi-stage discharge hopper 6 is laterally installed with a partition 61 that extends obliquely to the bottom of each screening net end, and a material channel is formed between the partitions 61. Each material channel forms a collecting hopper 63 that is larger at the top and smaller at the bottom. The lower end of each collecting hopper is connected to a material conveyor belt, and channels for materials of each level are formed through the partition 61. The equipment structure is more compact, which is conducive to improving space utilization.

A flexible rubber sheet 62 is connected between the multi-stage discharge hopper 6 and the gap between the screening bin 2, which can reduce the leakage of sand and stones and reduce the difficulty of cleaning.

The vibrating screen drive assembly 5 includes a motor 51, an eccentric wheel 52, a connecting rod 53, and a short shaft 54. The motor 51 is installed on the frame 1, the eccentric wheel 52 is installed on the output shaft of the motor 51, the short shaft 54 is installed at the bottom of the screening bin 2, and the two ends of the connecting rod 53 are respectively hinged to the eccentric wheel 52 and the short shaft 54.

The feeding device 7 is a belt loader, including a support beam 71, a driving roller 72, a supporting roller 73, a conveyor belt 74, and a conveying motor 75. The driving roller 72 is installed at the end of the support beam 71, the conveyor belt 74 is installed on the support beam 71 through the driving roller 72 and the supporting roller 73, and the conveying motor 75 is installed on the support beam 71. The conveying motor 75 is connected to the driving roller 72 through a reducer.

The front end opening of the screening bin 2 forms an inspection door, on which a rubber cover plate 11 is installed by bolts, so that it is convenient to open for observation and inspection when necessary.

Working process:

The sand and gravel after primary crushing are transported to the top of the screening bin 2 by the feeding device 7, and the sand and gravel are directly cleaned, which can be beneficial to cleaning the soil on the surface of the sand and gravel (avoiding the soil from being fully mixed with the sand after the sand is made, increasing the specific surface area of the sand and gravel and making it difficult to clean). At the same time, the spray pipe 9 performs spray flushing, and the cleaning effect is promoted under the vibration of the screening bin 2; the sand and gravel are screened in turn through the screening net, and the sand and gravel of the corresponding size cannot be screened off on the corresponding screening net, and after entering the multi-stage discharge hopper 6 from the end of the screening net, they are respectively transported to the corresponding equipment (returning to primary crushing, fine crushing, and crushing) through the conveyor belt; during the screening process, the sand and gravel of the first-level screening net and the second-level screening net are large in size and quantity, and the longitudinal diamond strips 23 and the transverse triangular support rods 24 can effectively improve the rigidity and strength of the screening net, and extend the maintenance and replacement cycle of the screening net; the bottom side of the transverse triangular support rod 24 is lower than the bottom of the longitudinal diamond strip 23, and a crossbeam 25 supported at the bottom of the screening net is provided transversely in the screening bin 2, and the longitudinal diamond strip 23 and the transverse triangular support rod 24 are ... The support structure formed between the diamond bars 23 is conducive to supporting larger materials and omitting small-sized materials, and is not easy to get stuck (the support gap formed by the diamond structure: the upper structure is larger at the top and smaller at the bottom, and the materials that cannot pass through the middle position are easy to jump up under the action of vibration to avoid getting stuck; the lower structure is smaller at the top and larger at the bottom, and the materials that can pass through the middle position can fall smoothly); when the materials that cannot pass through the middle position slide down along the support gap formed by the diamond structure, they are supported to the bottom of the sand and gravel by the hypotenuse of the transverse triangular support rod 24, which can lift the sand and gravel and get rid of the stuck state, effectively clean up the stuck stones, and extend the manual cleaning cycle; integrate sand and gravel grading and cleaning together, shorten the length of the production line, and reduce the space occupied by the factory area; the sand and gravel are washed while rolling during the vibration grading process, and the soil on the surface of the sand and gravel is fully washed to reduce the siltation of the soil, which can ensure the sand and gravel washing effect, improve work efficiency, and reduce energy consumption; it can reduce the amount of water used for washing and save water resources.

Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims (10)

1. The utility model provides a washing sand washs hierarchical shale shaker which characterized in that: the sand washing and grading vibrating screen comprises a frame (1), a screening bin (2), guide posts (3), sliding sleeves (4), a vibrating screen driving assembly (5), a multi-stage discharging hopper (6), a feeding device (7), a chute (8) and spray pipes (9), wherein the guide posts (3) are fixedly arranged on two sides of the frame (1), the sliding sleeves (4) are fixedly arranged on two sides of the screening bin (2), the screening bin (2) is slidably sleeved on the guide posts (3) through the sliding sleeves (4), the vibrating screen driving assembly (5) is arranged on the frame (1), and the vibrating screen driving assembly (5) is in transmission connection with the screening bin (2); the screening bin (2) is internally provided with a plurality of layers of screening nets with meshes reduced in sequence from top to bottom in a tilting manner, a multi-stage discharging hopper (6) is butted at the tail end of the screening bin (2), a gap for vibrating the screening bin (2) is reserved between the multi-stage discharging hopper (6) and the screening bin (2), a feeding device (7) is arranged at the top of the frame (1), a blanking port of the feeding device (7) is butted at the front end of the top of the screening bin (2), a spray pipe (9) is uniformly arranged on the frame (1), the spray pipe (9) is positioned between the screening bin (2) and the feeding device (7), and the spray pipe (9) is connected with a water supply system; the chute (8) is arranged on the frame (1), the chute (8) is positioned at the bottom of the screening bin (2), and the tail end of the chute (8) is communicated with the elutriation pool.

2. A sand washing classifying screen as claimed in claim 1 wherein: the screening net be equipped with fixed frame (21) all around, both sides are equipped with spout (22) in screening storehouse (2), fixed frame (21) of screening net insert and establish in spout (22) and pass through bolted connection and fix.

3. A sand washing classifying vibrating screen according to claim 1 or 2, wherein: the screening net be equipped with four layers, by last to lower one-level screening net, second grade screening net, tertiary screening net, four-level screening net of being in proper order, one-level screening net and second grade screening net constitute by evenly distributed's vertical diamond strip (23) and horizontal triangle-shaped bracing piece (24), horizontal triangle-shaped bracing piece (24) base is less than vertical diamond strip (23) bottom, transversely be equipped with in screening storehouse (2) and support crossbeam (25) in screening net bottom.

4. A sand washing classifying vibrating screen according to claim 1 or 2, wherein: the guide column (3) is obliquely arranged to one inclined side of the screening net.

5. A sand washing classifying screen as claimed in claim 4 wherein: the guide post (3) on the cover be equipped with shock attenuation gasbag (31), be equipped with on the guide post (3) and support the pterygoid lamina, be equipped with the crimping pterygoid lamina on the sliding sleeve (4), shock attenuation gasbag (31) are in between support pterygoid lamina and the crimping pterygoid lamina.

6. A sand washing classifying vibrating screen according to any one of claims 1, 2 and 5, wherein: the multi-stage discharging hopper (6) is internally and transversely provided with a baffle plate (61) which obliquely extends to the bottom of the tail end of each screening net, material channels are formed among the baffle plates (61), each material channel forms a collecting hopper (63) with a large upper part and a small lower part, and the lower ends of the collecting hoppers are respectively connected with a material conveying belt in a butt joint mode.

7. A sand washing classifying screen as claimed in claim 6 wherein: and a flexible rubber plate (62) is connected between the gaps between the multi-stage discharging hopper (6) and the screening bin (2).

8. A sand washing classifying vibrating screen as claimed in any one of claims 1, 2, 5 and 7 wherein: the vibrating screen driving assembly (5) comprises a motor (51), an eccentric wheel (52), a connecting rod (53) and a short shaft (54), wherein the motor (51) is arranged on the frame (1), the eccentric wheel (52) is arranged on an output shaft of the motor (51), the short shaft (54) is arranged at the bottom of the screening bin (2), and two ends of the connecting rod (53) are respectively hinged with the eccentric wheel (52) and the short shaft (54).

9. A sand washing classifying vibrating screen as claimed in any one of claims 1, 2, 5 and 7 wherein: the feeding device (7) is a belt type feeding machine and comprises a supporting beam (71), a driving roller (72), a supporting roller (73), a conveying belt (74) and a conveying motor (75), wherein the driving roller (72) is installed at the tail end of the supporting beam (71), the conveying belt (74) is installed on the supporting beam (71) through the driving roller (72) and the supporting roller (73), the conveying motor (75) is installed on the supporting beam (71), and the conveying motor (75) is in transmission connection with the driving roller (72) through a speed reducer.

10. A sand washing classifying vibrating screen as claimed in any one of claims 1, 2, 5 and 7 wherein: the front end opening of the screening bin (2) forms an access door, and a rubber cover plate (11) is mounted on the access door through bolts.