CN213468577U

CN213468577U - Aggregate screening device

Info

Publication number: CN213468577U
Application number: CN202022130245.XU
Authority: CN
Inventors: 高楠; 郭磊
Original assignee: Hanzhong Yaobai Leijin Energy Saving And Environmental Protection Building Materials Co ltd
Current assignee: Hanzhong Yaobai Leijin Energy Saving And Environmental Protection Building Materials Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-18
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to an aggregate screening plant, which comprises a housin, still include unloading mechanism, stoving mechanism and screening mechanism, unloading mechanism includes down hopper and the subassembly of unloading, the casing top is located to lower hopper, the subassembly of unloading is used for controlling unloading speed in locating down the hopper, stoving mechanism can carry out the drying to the aggregate that gets into in the casing through lower hopper, screening mechanism includes sieve and drive assembly, the sieve slope sets up in the casing and is located down the hopper under, drive assembly can order about the sieve along horizontal direction reciprocating motion, the casing lateral wall is equipped with first discharge gate, first discharge gate is stretched out to the lower one end of sieve, the casing bottom is equipped with the second discharge gate. This application has the effect that improves the screening efficiency of aggregate.

Description

Aggregate screening device

Technical Field

The application relates to the technical field of concrete aggregate screening, in particular to an aggregate screening device.

Background

Concrete is a general term for engineering composite materials in which aggregate is cemented into a whole by a cementing material. The aggregate is characterized in that sand and stone play a role of a skeleton in concrete and are called aggregate or aggregate, wherein the aggregate with the particle size of more than 5mm is called coarse aggregate. The screening machine is a screening mechanical device which utilizes the relative movement of bulk materials and a screen surface to make partial particles penetrate through the screen holes and divide materials such as sand and stone into different grades according to the particle size.

Chinese utility model patent of application number CN201920089124.x discloses a aggregate screening machine, which comprises a frame, frame from the top down includes top screening frame, intermediate level screening frame and bottom screening frame in proper order, and frame one side is provided with vibrating motor, be equipped with a plurality of push rods that are used for pushing away the aggregate on the bottom screening frame of frame, drive push rod carry out elevating movement's actuating mechanism.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the process of screening aggregate, because the sandstone aggregate has certain moisture, fine sandstone can be adhered in the screening holes in the screening process, thereby influencing the screening efficiency.

SUMMERY OF THE UTILITY MODEL

In order to improve the screening efficiency of aggregate, the application provides an aggregate screening plant.

The application provides a aggregate screening plant adopts following technical scheme:

the utility model provides an aggregate screening plant, includes the casing, still includes unloading mechanism, stoving mechanism and screening mechanism, unloading mechanism includes down hopper and the subassembly of unloading, and lower hopper is located the casing top, the subassembly of unloading is located be used for controlling unloading speed in the hopper down, stoving mechanism can carry out the drying to the aggregate that gets into in the casing through down the hopper, screening mechanism includes sieve and drive assembly, the sieve slope set up in just be located in the casing under the hopper, drive assembly can order about the sieve is along horizontal direction reciprocating motion, the casing lateral wall is equipped with first discharge gate, the lower one end of sieve is stretched out first discharge gate, the casing bottom is equipped with the second discharge gate.

Through adopting above-mentioned technical scheme, when needing to sieve the aggregate, in adding down the hopper with the aggregate, control unloading speed through the subassembly of unloading, make the even entering into of aggregate in the hopper in down in the casing, carry out drying process through drying mechanism to the aggregate when landing in the casing, aggregate to getting into the casing is dried, drop on the sieve after the drying, order about the sieve through drive assembly and be reciprocating motion at the horizontal direction, reach the effect of sieving the aggregate, it is the great aggregate of the particle diameter of screening through first discharge gate discharge casing, the less aggregate of the particle diameter of screening passes through in the second discharge gate discharge casing of casing bottom. Through carrying out the screening after drying process to the aggregate, can prevent that the aggregate adhesion from causing the jam in the sieve on the sieve to improve the screening efficiency of aggregate.

Preferably, the discharging assembly comprises a guide plate and a hydraulic cylinder, the guide plate is horizontally hinged to the lower end of the discharging hopper, the hydraulic cylinder is arranged at the bottom of the guide plate and is hinged to the side wall of the discharging hopper, and the output end of the hydraulic cylinder is hinged to the bottom of the guide plate.

Through adopting above-mentioned technical scheme, drive the guide plate through the pneumatic cylinder and rotate around the articulated shaft and change hopper bottom open-ended size down to through the speed that hopper bottom open-ended size controlled the unloading under the controlled release, make the aggregate of hopper a small amount of even unloading down through controlling the unloading, thereby improve the stoving effect to the aggregate.

Preferably, stoving mechanism includes bellows, heater and air-blower, bellows are located casing upper end inner wall, bellows are close to one side of hopper is equipped with the air exit down, the air exit orientation under the hopper down, one side that the air exit was kept away from to the bellows is equipped with the supply-air outlet, the heater is located in the bellows, the air-blower is located outside the casing, the air-blower pass through the supply-air outlet with bellows intercommunication.

Through adopting above-mentioned technical scheme, when carrying out drying process to the aggregate, through the air heating of heater with the air-supply incasement, the air-blower passes through the air exit and discharges the steam of air-supply incasement for continuously blow hot-blastly to the aggregate of whereabouts through the air exit, realize the drying effect to the aggregate.

Preferably, a filter screen is arranged at the air outlet.

Through adopting above-mentioned technical scheme, through set up the filter screen in air exit department, can prevent that the aggregate that gets into the casing from spattering to sending in the bellows and influencing heater work, advance a improve equipment's stability.

Preferably, the inner wall of the shell is horizontally provided with a support table below the sieve plate, the support table is parallel to the side wall of the shell where the first discharge port is located in the length direction, the top of the support table is provided with a sliding groove along the length direction, the bottom of the sieve plate is provided with a plurality of rollers, the rollers are located in the sliding groove, and the rollers can roll along the sliding groove.

Through adopting above-mentioned technical scheme, when the sieve was followed a supporting bench reciprocating sliding, the realization was slided the spout of gyro wheel through the sieve bottom on a supporting bench to the screening of aggregate for when sieve reciprocating motion was sieved aggregate, the removal of sieve was more stable, thereby improved device's stability.

Preferably, the drive assembly includes carousel, connecting rod and motor, the motor is located the casing with on the supporting bench length direction vertically lateral wall, the carousel with the output shaft coaxial coupling of motor, the carousel place plane with the casing lateral wall is perpendicular, the one end of connecting rod with the carousel is kept away from the edge of one side of motor is articulated, and the articulated shaft is perpendicular with the carousel, the other end of connecting rod with the sieve lateral wall is articulated.

Through adopting above-mentioned technical scheme, the output shaft through the motor drives the carousel and rotates, because the carousel rotates and drives the connecting rod motion, the connecting rod drives sieve reciprocating motion, obtains the effect that makes things convenient for sieve reciprocating motion to carry out the screening to the aggregate to the improvement is to the screening effect of aggregate.

Preferably, a reduction box is arranged between the output shaft of the motor and the turntable.

Through adopting above-mentioned technical scheme, through set up the reducing gear box between the output shaft at the motor and carousel, prevent that the sieve reciprocating motion is too fast and influence the screening efficiency of aggregate.

Preferably, the sieve plate is perpendicular to two side edges of the supporting platform and is respectively and vertically provided with a baffle.

Through adopting above-mentioned technical scheme, set up the baffle through the both sides at the sieve, when sieve reciprocating motion carries out the screening to the aggregate, prevent that the aggregate from the direct landing of both sides of sieve and influence screening effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the discharging speed is controlled by the discharging assembly through the matching of the arranged discharging mechanism, the drying mechanism and the screening mechanism, and aggregates entering the shell through the discharging hopper are dried by the drying mechanism and then screened by the screening mechanism, so that the aggregates can be prevented from being blocked by being adhered in the sieve holes on the sieve plate, and the screening efficiency of the aggregates is improved;

2. the guide plate is driven by the arranged hydraulic rod to move at the bottom of the blanking hopper, so that the size of the opening at the bottom of the blanking hopper is adjusted, the blanking speed of the blanking hopper is conveniently controlled, and the drying effect of the drying mechanism on aggregate is improved;

3. drive the carousel through setting up the motor and rotate, the carousel drives the connecting rod motion, and the connecting rod drives sieve reciprocating motion, improves the screening effect of aggregate, and the recess on the brace table through setting up cooperatees with the gyro wheel of sieve bottom, improves the stability of sieve motion.

Drawings

Figure 1 is a schematic structural view of an aggregate screening device of the present application.

Figure 2 is a cross-sectional view of an aggregate screening device of the present application.

Fig. 3 is an enlarged schematic view of a portion B in fig. 2.

Fig. 4 is an enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. a housing; 2. a blanking mechanism; 21. feeding a hopper; 22. a discharge assembly; 221. a baffle; 222. a hydraulic cylinder; 3. a drying mechanism; 31. an air box; 32. a heater; 33. a blower; 34. an air outlet; 35. an air supply outlet; 4. a screening mechanism; 41. a sieve plate; 42. a drive assembly; 421. a turntable; 422. a connecting rod; 423. a motor; 5. a first discharge port; 6. a second discharge port; 7. filtering with a screen; 8. a support table; 9. a chute; 10. a roller; 11. a reduction gearbox; 12. and a baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses aggregate screening plant. Referring to fig. 1 and 2, the screening device includes a housing 1, a feeding mechanism 2, a drying mechanism 3, and a screening mechanism 4.

Referring to fig. 1 and 2, the discharging mechanism 2 includes a discharging hopper 21 and a discharging assembly 22, the discharging hopper 21 is integrally connected to the top of the casing 1, the bottom of the discharging hopper 21 is communicated with the inside of the casing 1, the discharging assembly 22 is installed in the discharging hopper 21 for controlling the discharging rate in the discharging hopper 21, the discharging assembly 22 includes a guide plate 221 and a hydraulic cylinder 222, the guide plate 221 is horizontally hinged to the lower end of the discharging hopper 21, a hinge shaft is horizontally arranged, the hydraulic cylinder 222 is installed at the bottom of the guide plate 221, the hydraulic cylinder 222 is hinged to the side wall of the discharging hopper 21, the output end of the hydraulic cylinder 222 is hinged to the bottom of the guide plate 221, and the hinge shaft of the hydraulic cylinder 222, the discharging hopper 21 and the.

Referring to fig. 1 and 2, drying mechanism 3 can dry the aggregate that gets into in the casing 1 through lower hopper 21, drying mechanism 3 includes bellows 31, heater 32 and air-blower 33, bellows 31 welds in casing 1 upper end inner wall, air outlet 34 has been seted up on the lateral wall that bellows 31 is close to lower hopper 21, air outlet 34 is towards hopper 21 under, supply-air outlet 35 has been seted up to one side that air outlet 34 was kept away from to bellows 31, heater 32 installs in bellows 31, air-blower 33 welds outside casing 1, air-blower 33 passes through supply-air outlet 35 and communicates with bellows 31, the welding of air outlet 34 department has filter screen 7.

Referring to fig. 2 and 3, screening mechanism 4 includes sieve 41 and drive assembly 42, sieve 41 inclines to set up in casing 1 and be located hopper 21 under, casing 1 inner wall has brace table 8 in the horizontal welding of sieve 41 below, brace table 8 length direction is on a parallel with the lateral wall of first discharge gate 5 place casing 1, brace table 8 top is equipped with spout 9 along length direction, sieve 41 bottom is equipped with a plurality of gyro wheels 10, gyro wheel 10 is located spout 9, gyro wheel 10 can roll along spout 9, sieve 41 perpendicular to brace table 8 both sides limit vertical welding respectively has baffle 12, sieve 41 top is stretched out to the upper end of baffle 12.

Referring to fig. 2 and 4, the driving assembly 42 includes a rotary plate 421, a connecting rod 422 and a motor 423, a casing of the motor 423 is welded on a side wall of the housing 1 perpendicular to the length direction of the supporting table 8, the rotary plate 421 is coaxially connected with an output shaft of the motor 423, a reduction box 11 is connected between the output shaft of the motor 423 and the rotary plate 421, a plane where the rotary plate 421 is located is perpendicular to the side wall of the housing 1, one end of the connecting rod 422 is hinged to an edge of one side of the rotary plate 421 away from the motor 423, a hinge shaft is perpendicular to the rotary plate 421, and the other end of. Drive assembly 42 can order about sieve 41 along horizontal direction reciprocating motion, and first discharge gate 5 has been seted up to casing 1 lateral wall, and first discharge gate 5 is stretched out to the lower one end of sieve 41, and second discharge gate 6 has been seted up to casing 1 bottom.

The implementation principle of the aggregate screening device in the embodiment of the application is as follows: when the aggregates need to be screened, the aggregates are collected into the blanking hopper 21, the heater 32 and the blower 33 are started to continuously provide hot air into the shell 1 through the air outlet 34, the guide plate 221 is driven to rotate around the hinged shaft through the hydraulic cylinder 222 to adjust the size of the opening at the bottom of the blanking hopper 21, so that the aggregates can be continuously and uniformly fed into the body at a constant speed, and the aggregates are dried through the drying mechanism 3 in the process of falling onto the sieve plate 41; the motor 423 drives the rotary table 421 to rotate, the rotary table 421 drives the connecting rod 422 to move, and the connecting rod 422 drives the sieve plate 41 to reciprocate to realize the sieving effect on the aggregates. The aggregate is subjected to pre-drying treatment, so that the screening effect on the aggregate is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An aggregate screening device, includes casing (1), its characterized in that: the drying device is characterized by further comprising a discharging mechanism (2), a drying mechanism (3) and a screening mechanism (4), wherein the discharging mechanism (2) comprises a lower hopper (21) and a discharging assembly (22), the lower hopper (21) is arranged at the top of the shell (1), the discharging assembly (22) is arranged in the lower hopper (21) and is used for controlling the discharging speed, the drying mechanism (3) can dry aggregate entering the shell (1) through the lower hopper (21), the screening mechanism (4) comprises a sieve plate (41) and a driving assembly (42), the sieve plate (41) is obliquely arranged in the shell (1) and is positioned under the lower hopper (21), the driving assembly (42) can drive the sieve plate (41) to reciprocate along the horizontal direction, a first discharging port (5) is formed in the side wall of the shell (1), and the lower end of the sieve plate (41) extends out of the first discharging port (5), and a second discharge hole (6) is formed in the bottom of the shell (1).

2. An aggregate screening device according to claim 1, wherein: the discharging assembly (22) comprises a guide plate (221) and a hydraulic cylinder (222), the guide plate (221) is horizontally hinged to the lower end of the discharging hopper (21), the hydraulic cylinder (222) is arranged at the bottom of the guide plate (221), the hydraulic cylinder (222) is hinged to the side wall of the discharging hopper (21), and the output end of the hydraulic cylinder (222) is hinged to the bottom of the guide plate (221).

3. An aggregate screening device according to claim 1, wherein: stoving mechanism (3) are including bellows (31), heater (32) and air-blower (33), bellows (31) are located casing (1) upper end inner wall, bellows (31) are close to one side of lower hopper (21) is equipped with air exit (34), air exit (34) orientation under hopper (21), bellows (31) are kept away from one side of air exit (34) is equipped with supply-air outlet (35), heater (32) are located in bellows (31), air-blower (33) are located outside casing (1), air-blower (33) through supply-air outlet (35) with bellows (31) intercommunication.

4. An aggregate screening device according to claim 3, wherein: a filter screen (7) is arranged at the air outlet (34).

5. An aggregate screening device according to claim 1, wherein: casing (1) inner wall in sieve (41) below level is equipped with brace table (8), brace table (8) length direction is on a parallel with the lateral wall of first discharge gate (5) place casing (1), brace table (8) top is equipped with spout (9) along length direction, sieve (41) bottom is equipped with a plurality of gyro wheels (10), gyro wheel (10) are located in spout (9), gyro wheel (10) can be followed spout (9) roll.

6. An aggregate screening device according to claim 5, wherein: drive assembly (42) are including carousel (421), connecting rod (422) and motor (423), motor (423) are located casing (1) with on the perpendicular lateral wall of brace table (8) length direction, carousel (421) with the output shaft coaxial coupling of motor (423), carousel (421) place plane with casing (1) lateral wall is perpendicular, the one end of connecting rod (422) with carousel (421) are kept away from the edge of one side of motor (423) is articulated, and the articulated shaft is perpendicular with carousel (421), the other end of connecting rod (422) with sieve (41) lateral wall is articulated.

7. An aggregate screening device according to claim 6, wherein: a reduction box (11) is arranged between the output shaft of the motor (423) and the rotating disc (421).

8. An aggregate screening device according to claim 5, wherein: the sieve plate (41) is perpendicular to two side edges of the support table (8) and is respectively and vertically provided with a baffle (12).