CN216150322U

CN216150322U - Convenient roll formula grit screening plant

Info

Publication number: CN216150322U
Application number: CN202121506279.2U
Authority: CN
Inventors: 王凯
Original assignee: Shandong Runyan Logistics Co ltd
Current assignee: Shandong Runyan Logistics Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-04-01
Anticipated expiration: 2031-07-01

Abstract

The utility model relates to the technical field of gravel screening, and discloses a convenient rolling type gravel screening device which comprises a bearing frame, a screening roller, a feeding box, a conveying mechanism and a rolling mechanism, wherein the bearing frame is of a quadrilateral frame structure, four corners of the bottom of the bearing frame are provided with supporting frames, the screening roller is of a cylindrical net structure, the screening roller is connected in the bearing frame through the rolling mechanism, the top of the left side of the bearing frame is fixedly connected with a fixed plate, the conveying mechanism is arranged on the fixed plate, the feeding box is positioned on the left side of the screening roller, the left side of the feeding box is fixedly connected to the top of the fixed plate, the right side of the feeding box is fixedly connected with the fixed plate through a reinforcing rod, and the conveying mechanism is connected with the rolling mechanism; the sandstone screening device solves the problems that most sandstone screening devices in the prior art are screened through screens, manual screening is needed, the screening speed is slow, the screening effect is poor, the working strength is high, the working efficiency is low, and the use is troublesome.

Description

Convenient roll formula grit screening plant

Technical Field

The utility model relates to the technical field of sandstone screening, in particular to a convenient rolling type sandstone screening device.

Background

Sandstone refers to a loose mixture of sand and gravel, and is often used as a high-quality building material or a concrete raw material due to good hardness and stable chemical properties, so that the sandstone is widely applied to the fields of houses, roads, highways, railways, engineering and the like, and when the sandstone is used for concrete production, the sandstone needs to be screened due to different sizes of the sandstone; however, most of the sand and stone screening devices in the prior art are screened by screens, manual screening is needed, the screening speed is low, the screening effect is poor, the working strength is high, the working efficiency is low, and the use is troublesome; therefore, a convenient rolling type sand screening device is needed to solve the problems.

Disclosure of Invention

The utility model provides a convenient rolling type sand and stone screening device which has the advantages of high screening efficiency, low strength and ideal screening effect, and solves the problems that most sand and stone screening devices in the prior art are screened by screens, need manual screening, are low in screening speed, poor in screening effect, high in working strength, low in working efficiency and troublesome to use.

The utility model provides the following technical scheme: a convenient rolling type sand and stone screening device comprises a bearing frame, a screening roller, a feeding box, a conveying mechanism and a rolling mechanism, wherein the bearing frame is of a quadrilateral frame structure, supporting frames are arranged at four corners of the bottom of the bearing frame, the screening roller is of a cylindrical net structure and is connected in the bearing frame through the rolling mechanism, gear rings are fixedly connected to the outer sides of two ends of the screening roller respectively and are connected with the rolling mechanism, limiting bulges are arranged on the inner sides of the gear rings, the screening roller is further divided into a feeding port at the left end and a discharging port at the right end, an annular baffle is arranged at the feeding port, a fixing plate is fixedly connected to the top of the left side of the bearing frame, the conveying mechanism is arranged on the fixing plate, the feeding box is positioned on the left side of the screening roller, the left side of the feeding box is fixedly connected to the top of the fixing plate, the right side of the feeding box is fixedly connected with the fixed plate through a reinforcing rod, the conveying mechanism comprises a motor, a rotating rod, a helical blade, a rotating sleeve and a supporting rod, the motor is fixedly connected onto the fixed plate, one end of the rotating rod is fixedly connected with the motor, the other end of the rotating rod extends into the screening roller, the helical blade is distributed along the length direction of the screening roller, the edge of the helical blade is attached to the inner wall of the screening roller, the helical blade is fixedly connected onto the rotating rod, one end of the supporting rod is circumferentially arrayed on the circumferential wall of the rotating sleeve, the other end of the supporting rod is fixedly connected with the inner wall of the screening roller, the rotating sleeve is positioned at two sides inside the screening roller, the rotating sleeve is connected onto the rotating rod in a rotating fit manner, the left end part of the rotating rod is also provided with a transmission gear, the transmission gear is connected with the rolling mechanism, the rolling mechanism comprises a first rotating shaft, a first chain wheel, a first gear, a chain, a second chain wheel, a second rotating shaft and a second gear, one end of the first rotating shaft is connected with the middle part of the left side of the bearing frame in a rotating fit manner, the first chain wheel is fixedly connected with the middle part of the first rotating shaft, the first gear is fixedly connected with the other end of the first rotating shaft, the first gear is in a meshed connection with the transmission gear, the inner side of the bearing frame is fixedly connected with a fixed block, the fixed block is symmetrically arranged front and back relative to the center of the bearing frame, the second rotating shaft is arranged along the length direction of the bearing frame, the second rotating shaft is in a rotating fit connection with the fixed block, the second gear is respectively fixedly connected with the right end and the left end of the second rotating shaft, and the second chain wheel is respectively fixedly connected with the left end of the second rotating shaft, the chain is in powered connection between the first sprocket and the second sprocket.

Preferably, the second gear is in meshed connection with the gear ring, and the limiting protrusion abuts against the inner side of the second gear.

Preferably, a feeding port is arranged at the left end of the feeding box and extends into the feeding hole.

Preferably, a discharge chute is arranged on the lower side of the left end of the screening roller, the discharge chute is arranged in a leftward and downward inclined mode, and the discharge chute is fixedly connected into the support frame.

Preferably, the top of the screening roller is further wrapped with a protective shell, and the protective shell is detachably connected with the bearing frame.

The utility model has the following beneficial effects:

the utility model discloses a, the separation of grit is realized in the roll that utilizes the cylinder to discharge the stone of separating out in rolling, whole process can be quick effectual the separation work of completion grit, simultaneously, also very thoroughly to the separation of grit, and separation effect is very ideal, even have the sand to adhere also can thorough separation out on the stone, and work is high-efficient and save trouble.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view of the screening drum of the present invention;

fig. 4 is a schematic structural view of the feeding box of the present invention.

Detailed Description

The technical solution 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.

Referring to fig. 1-4, a portable rolling type sand screening device comprises a carrier 1, a screening roller 2, a feeding box 3, a conveying mechanism 4 and a rolling mechanism 5.

Wherein, the bearing frame 1 is a quadrilateral frame structure, the four corners of the bottom of the bearing frame 1 are provided with the support frames 11, the screening roller 2 is a cylindrical net structure, which is beneficial to effectively separating stones from sands, the screening roller 2 is connected in the bearing frame 1 through the rolling mechanism 5, the top of the left side of the bearing frame 1 is fixedly connected with the fixed plate 12, the conveying mechanism 4 is arranged on the fixed plate 12, the feeding box 3 is positioned at the left side of the screening roller 2, the left side of the feeding box 3 is fixedly connected at the top of the fixed plate 12, the right side of the feeding box 3 is fixedly connected with the fixed plate 12 through the reinforcing rod 32, the conveying mechanism 4 comprises a motor 41, a rotating rod 42, a helical blade 44, a rotating sleeve 45 and a supporting rod 46, the motor 41 is fixedly connected on the fixed plate 12, one end of the rotating rod 42 is fixedly connected with the motor 41, the other end of the rotating rod 42 extends into the screening roller 2, the helical blade 44 is distributed along the length direction of the screening roller 2, helical blade 44 edge laminates with 2 inner walls of screening cylinder mutually, helical blade 44 fixed connection is on dwang 42, bracing piece 46 one end circumference array is on rotating cover 45 perisporium, the bracing piece 46 other end and 2 inner wall fixed connection of screening cylinder, it is located the inside both sides of screening cylinder 2 to rotate cover 45, it connects on dwang 42 to rotate cover 45 normal running fit, the stone of separating out in the cylinder 2 will be sieved through conveying mechanism 4 carries out, dwang 42 left end portion still is equipped with transmission gear 43, transmission gear 43 is connected with rolling mechanism 5, be favorable to driving rolling mechanism 5 operation in conveying mechanism 4 work.

Above-mentioned screening cylinder 2 both ends outside is fixedly connected with ring gear 21 respectively, and ring gear 21 is connected with rolling mechanism 5, drives screening cylinder 2 through rolling mechanism 5 and rolls, and then realizes the effective separation of grit, and ring gear 21 inboard is equipped with spacing arch 22, prevents that screening cylinder 2 from taking place the dislocation at the roll in-process.

The screening drum 2 is further divided into a feeding hole 24 at the left end and a discharging hole 25 at the right end, an annular baffle plate 23 is arranged at the feeding hole 24, and the annular baffle plate 23 is used for preventing input sand from accidentally flowing out from the feeding hole 24 of the screening drum 2.

The rolling mechanism 5 includes a first rotating shaft 51, a first sprocket 52, and a first gear 53, chain 54, second sprocket 55, second axis of rotation 56 and second gear 57, first axis of rotation 51 one end is connected with bearing frame 1 left side middle part normal running fit, first sprocket 52 fixed connection is in first axis of rotation 51 middle part, first gear 53 fixed connection is at the first axis of rotation 51 other end, first gear 53 is connected with transmission gear 43 meshing, bear frame 1 inboard fixedly connected with fixed block 14, fixed block 14 sets up about bearing frame 1 center front and back pairwise symmetry, second axis of rotation 56 sets up along bearing frame 1 length direction, second axis of rotation 56 is connected with fixed block 14 normal running fit, second gear 57 fixed connection is respectively at second axis of rotation 56 right-hand member and left end portion, second sprocket 55 fixed connection is respectively at second axis of rotation 56 left end, chain 54 power connection is between first sprocket 52 and second sprocket 55.

The second gear 57 is engaged with the ring gear 21, and the stopper boss 22 abuts on the inner side of the second gear 57.

The left end of the feeding box 3 is provided with a feeding port 31, the feeding port 31 extends into the feeding hole 24, and sand needing to be separated can be effectively fed into the screening roller 2 for separation.

The discharge chute 13 is arranged on the lower side of the left end of the screening roller 2, the discharge chute 13 is arranged obliquely downwards left, the discharge chute 13 is fixedly connected into the support frame 11, the screened stones are conveniently sent out, the screened sands are kept away, and the screened stones are effectively separated from the sand.

Above-mentioned 2 tops of screening cylinder have still wrapped up protecting crust 6, and protecting crust 6 can dismantle with bearing frame 1 and be connected, and the protecting crust both can protect screening cylinder 2 to suffer the damage, can prevent again that personnel from accidentally injuring.

The working principle is as follows: when in use, the motor 41 is started, sand to be separated is put into the feeding box 3, the sand enters the screening roller 2 along the feeding port 31, the motor 41 drives the helical blade 44 to rotate through the rotating rod 42, and then drives the sand to move rightwards, meanwhile, the motor 41 drives the first gear 53 to rotate through the transmission gear 43, and then drives the first chain wheel 52 to rotate through the first rotating shaft 51, the first chain wheel 52 drives the second chain wheel 55 to rotate through the chain 54, the second chain wheel 55 drives the second gear 57 to rotate through the second rotating shaft 56, and then the second gear 57 drives the toothed ring 21 to rotate, and then drives the screening roller 2 to roll in the bearing frame 1, at this time, the sand in the screening roller 2 will separate out stones and sands in the rolling process of the screening roller 2, the sands will fall to the lower side of the device, and the separated stones will be discharged from the discharge port 25 on the right side of the screening roller 2 under the driving action of the helical blade 44, and then fall on the blown down tank 13 to along blown down tank 13 landing to the device right side, this in-process, screening cylinder 2 can be with the effectual separation that separates of stone and sand at the roll in-process, simultaneously, also can separate out the sand that adheres on the stone, and then can guarantee the screening effect, also can guarantee screening speed, so that its screening ability is fairly considerable, uses also to save trouble fairly.

Claims

1. The utility model provides a convenient roll formula grit screening plant which characterized in that: comprises a bearing frame (1), a screening roller (2), a feeding box (3), a conveying mechanism (4) and a rolling mechanism (5), wherein the bearing frame (1) is of a quadrilateral frame structure, supporting frames (11) are arranged at four corners of the bottom of the bearing frame (1), the screening roller (2) is of a cylindrical net structure, the screening roller (2) is connected in the bearing frame (1) through the rolling mechanism (5), the outer sides of two ends of the screening roller (2) are respectively and fixedly connected with a toothed ring (21), the toothed ring (21) is connected with the rolling mechanism (5), a limiting bulge (22) is arranged on the inner side of the toothed ring (21), the screening roller (2) is further divided into a feed inlet (24) at the left end and a discharge outlet (25) at the right end, an annular baffle (23) is arranged at the feed inlet (24), and a fixing plate (12) is fixedly connected to the top of the left side of the bearing frame (1), conveying mechanism (4) sets up on fixed plate (12), throw magazine (3) be located screening cylinder (2) left side, throw magazine (3) left side fixed connection in fixed plate (12) top, throw magazine (3) right side pass through stiffener (32) with fixed plate (12) fixed connection, conveying mechanism (4) include motor (41), dwang (42), helical blade (44), rotate cover (45) and bracing piece (46), motor (41) fixed connection in on fixed plate (12), dwang (42) one end with motor (41) fixed connection, the dwang (42) other end extends to in screening cylinder (2), helical blade (44) are followed screening cylinder (2) length direction distributes, helical blade (44) edge with screening cylinder (2) inner wall laminates mutually, helical blade (44) fixed connection be in on dwang (42), bracing piece (46) one end circumference array is in rotate set (45) perisporium on, bracing piece (46) other end with screening cylinder (2) inner wall fixed connection, it is located to rotate set (45) screening cylinder (2) inside both sides, it connects to rotate set (45) normal running fit dwang (42) are last, dwang (42) left end portion still is equipped with transmission gear (43), transmission gear (43) with rolling mechanism (5) are connected, rolling mechanism (5) include first axis of rotation (51), first sprocket (52), first gear (53), chain (54), second sprocket (55), second axis of rotation (56) and second gear (57), first axis of rotation (51) one end with bear frame (1) left side middle part normal running fit and connect, the first chain wheel (52) is fixedly connected with the middle part of the first rotating shaft (51), the first gear (53) is fixedly connected with the other end of the first rotating shaft (51), the first gear (53) is meshed with the transmission gear (43), a fixed block (14) is fixedly connected to the inner side of the bearing frame (1), the fixed blocks (14) are symmetrically arranged in pairs in front and back relative to the center of the bearing frame (1), the second rotating shaft (56) is arranged along the length direction of the bearing frame (1), the second rotating shaft (56) is connected with the fixed block (14) in a rotating fit manner, the second gear (57) is fixedly connected with the right end and the left end of the second rotating shaft (56) respectively, the second chain wheels (55) are respectively and fixedly connected with the left end of the second rotating shaft (56), the chain (54) is dynamically connected between the first sprocket (52) and the second sprocket (55).

2. The convenient rolling type sand screening device according to claim 1, which is characterized in that: the second gear (57) is in meshed connection with the gear ring (21), and the limiting protrusion (22) is abutted to the inner side of the second gear (57).

3. The convenient rolling type sand screening device according to claim 1, which is characterized in that: and a feeding port (31) is arranged at the left end of the feeding box (3), and the feeding port (31) extends into the feeding hole (24).

4. The convenient rolling type sand screening device according to claim 1, which is characterized in that: a discharge chute (13) is arranged on the lower side of the left end of the screening roller (2), the discharge chute (13) is arranged in a downward-inclined mode leftwards, and the discharge chute (13) is fixedly connected into the support frame (11).

5. The convenient rolling type sand screening device according to claim 1, which is characterized in that: screening cylinder (2) top has still wrapped up protecting crust (6), protecting crust (6) with bear frame (1) and can dismantle the connection.