CN214555098U

CN214555098U - Anti-blocking large drum screen structure equipment

Info

Publication number: CN214555098U
Application number: CN202120039844.2U
Authority: CN
Inventors: 窦岩; 韩东钊; 赵旭; 刘世平; 张小卫; 李鹏
Original assignee: Tianhua Institute of Chemical Machinery and Automation Co Ltd
Current assignee: Tianhua Institute of Chemical Machinery and Automation Co Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-11-02
Anticipated expiration: 2031-01-07

Abstract

The utility model relates to an anti-blocking large-scale drum sieve structure device, which comprises a shell, a transmission shaft and a transmission system, wherein the shell is of an upper-lower two-section structure and is obliquely arranged; one end of the shell is provided with a power end plate, the upper part of the other end of the shell is provided with a feed inlet assembly, and the lower part of the other end of the shell is provided with a feed inlet end plate; the power end plate is connected with a fixed end supporting frame, and the fixed end supporting frame is connected with the transmission system; the feed end plate even has free end to support the frame, its characterized in that: the top of the shell is provided with a brush screen cleaning mechanism, and the bottom of the shell is respectively provided with a screen underflow hopper and a screen overflow hopper; a hopper hammer is arranged on one side of the screen underflow discharging hopper; and a screen body is arranged between the shell and the feed inlet assembly. The utility model has the characteristics of production capacity is strong, maintenance cycle is long, the screening type selects much, can solve the demand of the large-scale production of drum sieve equipment.

Description

Anti-blocking large drum screen structure equipment

Technical Field

The utility model relates to a screening equipment especially relates to a prevent large-scale drum sieve constructional equipment of stifled type.

Background

At present, the working principle of industrial large-scale drum screen equipment is that particulate matters rotate to a certain height along with a screen body, fall off due to the action of gravity, and are filtered by a screen to form screening. The screening capacity is reduced due to the fact that the screen is easy to accumulate, block and adhere during operation; the same equipment can only be used for screening one material due to the fact that the screen cloth cannot be replaced, and the practicability is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a prevent large-scale drum sieve constructional equipment of stifled type that effectively improves screening ability is provided.

In order to solve the above problems, the anti-blocking large-sized drum screen structure equipment of the present invention comprises a housing having an upper and a lower two-part structure and being disposed obliquely, a transmission shaft disposed in the housing, and a transmission system connected to the transmission shaft; one end of the shell is provided with a power end plate, the upper part of the other end of the shell is provided with a feed inlet assembly, and the lower part of the other end of the shell is provided with a feed inlet end plate; the power end plate is connected with a fixed end supporting frame, and the fixed end supporting frame is connected with the transmission system; the feed end plate even has free end to support the frame, its characterized in that: the top of the shell is provided with a brush screen cleaning mechanism, and the bottom of the shell is respectively provided with a screen underflow hopper and a screen overflow hopper; a hopper hammer is arranged on one side of the screen underflow discharging hopper; and a screen body is arranged between the shell and the feed inlet assembly.

The brush screen cleaning mechanism comprises a mechanism frame and a mandrel arranged on the mechanism frame; two ends of the mandrel are connected with the mechanism frame through mandrel fixing blocks; the mandrel is provided with a wear-resistant lining cylinder, and the wear-resistant lining cylinder is provided with a brush; the mechanism frame is connected with the shell through a height adjusting bolt.

One end of the screen body is provided with a power end tapered roller bearing arranged on the fixed end supporting rack, the other end of the screen body is provided with a feed end self-aligning roller bearing arranged on the free end supporting rack, and the screen body is respectively provided with a screen mesh hammering device and a screen mesh; the screen hammering device is connected with the lower half of the shell.

The screen is connected with the screen body through a screen fixing pipe which is penetrated by a long U-shaped bolt and a short U-shaped bolt respectively; a screen mesh compression ring is arranged on the long U-shaped bolt; and a screen mesh pressing plate is arranged on the short U-shaped bolt.

And 4 circles of screen mesh hammering devices are arranged on the screen body, and 6 hammering devices are distributed in each circle.

And a flange interface is arranged at the joint of the screen mesh hammering device and the lower half of the shell.

The screen mesh hammering device is connected with the screen body through a support rod.

And the tail end of oversize materials of the screen body is provided with an overflow plate.

And inspection hole manholes are respectively formed in the power end plate and the feeding end plate.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses the top of well casing is equipped with brush cleaning mechanism and screen frame, is equipped with screen cloth hammering ware, screen cloth on the screen frame respectively, consequently, can solve bonding, the bonding of tiny material of bold material through the hammering, fundamentally has solved the screen cloth because the productivity that the jam caused, the problem that screening ability descends.

2. The utility model discloses well screen cloth hammering ware is equipped with the flange interface with lower half shell junction, and the purpose is protective housing to can reduce or increase hammering ware steel ball quantity at any time, reach when satisfying the screening effect, the steel ball is minimum to the hammering power of cylinder, improves life.

3. The utility model provides a transmission system can adopt the transmission mode of inverter motor and gear, and through adjusting the rotational speed of cylinder, adjust screening effect and productivity, satisfy the use under the different work condition, reach energy-conserving purpose.

4. The utility model discloses well brush sieve cleaning mechanism links to each other with the casing through height adjusting bolt, easily adjusts the distance of brush and screen cloth, adjusts the holding down force of brush and screen cloth to easily dismantle.

5. The utility model discloses well screen cloth passes the fixed pipe of screen cloth through long U type bolt, short U type bolt respectively and links to each other with the screen frame, consequently, can fully consider the different screening demands of user, realizes portablely, change the screen cloth fast, and fundamentally has solved the problem of the different demands of an equipment.

6. Compared with the prior art, the utility model has the characteristics of the productivity is strong, maintenance cycle is long, the screening type selects much, can solve the demand of rotary screen equipment large-scale production.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall appearance structure of the present invention.

Fig. 2 is a schematic structural view of the middle sieve body of the present invention. The bottom three lines in the figure may be the locations of the support legs.

Fig. 3 is a schematic layout diagram of the middle screen hammering device of the present invention.

Fig. 4 is a front view of the screen cloth of the present invention.

Fig. 5 is a left side view of the screen cloth of the present invention.

Fig. 6 is a top view of the screen cloth of the present invention.

Fig. 7 is a schematic structural view of the brush cleaning mechanism of the present invention.

In the figure: 1-a transmission system; 2-the fixed end supports the frame; 3-power end plate; 4-a shell; 5-a brush screen cleaning mechanism; 6-a feed inlet assembly; 7-free end supporting frame; 8-a feed end plate; 9-a screen underflow discharge hopper; 10-a hopper hammer; 11-oversize material hopper; 12-power end tapered roller bearing; 13-screen hammer; 14-a screen mesh; 15-a sieve body; 16-a feed end self-aligning roller bearing; 17-inspection hole manhole; 18-an overflow plate; 19-a support bar; 20-long U-shaped bolt; 21-screen ring pressing; 22-screen fixing tube; 23-screen press plate; 24-short U-bolt; 25-height adjustment bolts; 26-a mechanism frame; 27-a brush; 28-wear resistant liner; 29-a mandrel; 30-mandrel fixing block.

Detailed Description

As shown in fig. 1 to 7, an anti-blocking large-sized drum screen structure device includes a housing 4 having an upper and lower two-piece structure and disposed obliquely, a transmission shaft disposed in the housing 4, and a transmission system 1 connected to the transmission shaft.

One end of the shell 4 is provided with a power end plate 3, the upper part of the other end of the shell is provided with a feed inlet assembly 6, and the lower part of the other end of the shell is provided with a feed end plate 8; the power end plate 3 is connected with a fixed end support frame 2, and the fixed end support frame 2 is connected with the transmission system 1; the feed end plate 8 is connected with a free end support frame 7. The top of the shell 4 is provided with a brush screen cleaning mechanism 5, and the bottom is respectively provided with a screen underflow hopper 9 and a screen overflow hopper 11; a hopper hammer 10 is arranged on one side of the undersize discharge hopper 9; a screen body 15 is arranged between the shell 4 and the feed inlet assembly 6.

Wherein: the brush screen cleaning mechanism 5 comprises a mechanism frame 26 and a mandrel 29 arranged on the mechanism frame 26; two ends of the mandrel 29 are connected with the mechanism frame 26 through mandrel fixing blocks 30; a wear-resistant lining tube 28 is arranged on the mandrel 29, and a brush 27 is arranged on the wear-resistant lining tube 28; the mechanism frame 26 is connected to the housing 4 by a height adjusting bolt 25. The brush screen cleaning mechanism 5 is detachable and can clean fine particles adhered to the screen.

One end of the screen body 15 is provided with a power end tapered roller bearing 12 arranged on the fixed end supporting rack 2, the other end is provided with a feed end self-aligning roller bearing 16 arranged on the free end supporting rack 7, and the screen body 15 is respectively provided with a screen hammering device 13 and a screen 14; a sieve hammer 13 is connected to lower half-shell 4.

The screen 14 passes through the screen fixing pipe 22 through a long U-shaped bolt 20 and a short U-shaped bolt 24 respectively to be connected with the screen body 15; a screen mesh compression ring 21 is arranged on the long U-shaped bolt 20; the short U-shaped bolt 24 is provided with a screen pressing plate 23. U-shaped bolts and nuts are respectively pressed on the screen pressing ring 21 and the screen pressing plate 23. The screen 14 is a woven wire mesh. The size of the sieve holes is configured according to requirements.

Be equipped with 4 rings of screen cloth hammering ware 13 along cylinder circumferencial direction on the screen frame 15, every circle cloth has 6 hammering ware to wire rope circumference is taut for the hammering ware, and hammering ware steel ball diameter 50mm guarantees that the material is avoided gluing the material at the in-process screen cloth of screening.

Screen cloth hammering ware 13 is equipped with the flange interface with half lower casing 4 department of meeting, and the purpose is protecting housing 4 to can reduce at any time or increase hammering ware steel ball quantity, reach when satisfying the screening effect, the steel ball is minimum to the hammering power of cylinder, improves life.

Screen hammer 13 is connected to screen frame 15 by support rod 19.

The oversize end of the screen body 15 is provided with an overflow plate 18 with adjustable size.

And the power end plate 3 and the feed end plate 8 are respectively provided with an inspection hole manhole 17, so that the equipment can conveniently observe the screening condition of materials in time in the operation process.

The transmission system 1 adopts gear transmission, can keep accurate average transmission ratio, and transmission efficiency is higher to adopt inverter motor, can reach the optimum rotational speed according to the rotational speed of operating condition regulation cylinder.

The shell 4 and the feed port assembly 6 form a structure which surrounds the screen body 15 in an annular mode, the power end plate 3, the feed end plate 8, the undersize product discharge hopper 9 and the oversize product discharge hopper 11 form a closed cavity, and the screen body 15 rotates inside the closed cavity.

A large gear is arranged at the power end of the screen body 15, power is output to a small gear through a motor reducer in the transmission system 1, and the small gear drives the large gear to operate, so that the whole screen body 15 is driven to operate; the oversize thing end of screen frame 15 is provided with the overflow plate 18 of adjustable change size, through changing 18 heights of overflow plate, can reach the material screening effect, guarantees the screening quality.

The utility model discloses a there is shaft type transmission in the centre, and the power end adopts power end tapered roller bearing 12 supports in the frame, and this end is as the stiff end that supports, and the radial load who bears the cylinder promptly also bears the cylinder because the axial load that the inclination produced, and the other end adopts the radial load that 16 bearing cylinder barrel 4 of feed end self-aligning roller bearing produced, also can compensate because the cylinder amount of deflection that cylinder gravity and material weight produced warp and warp.

The fixed end supporting frame 2 and the free end supporting frame 7 adopt a welding structure, can be transported together with the roller as a supporting component in the transportation process, and the structure is dismantled in the independent design of the feeding port, so that the maintenance is convenient.

When the material screening device works, materials to be screened enter the screen body 15 through the feed port assembly 6, the rotating screen body 15 has a certain inclination angle, the materials rotate to a certain height along with the screen body 15, are thrown and fall under the action of gravity, move downwards along with the inclination, the materials passing through the screen 14 enter the undersize material discharge hopper 9, and the materials not passing through the screen 14 finally enter the oversize material discharge hopper 11; the screen frame 15 receives 4 rings of screen cloth hammering device 13 to knock in the rotation process, will bond and the material of screen cloth shakes and falls, and tiny material that bonds is then brushed by brush cleaning mechanism 5 and falls, prevents that the material from blocking screen cloth 14 because of bonding. The brush cleaning mechanism 5 is provided with a height adjusting bolt 25, and the distance between the brush 27 and the screen body 15 can be adjusted at any time, so that the cleaning effect is ensured.

Claims

1. An anti-blocking large-scale drum screen structure device comprises a shell (4) which is of an upper-lower two-flap structure and is obliquely arranged, a transmission shaft arranged in the shell (4) and a transmission system (1) connected with the transmission shaft; one end of the shell (4) is provided with a power end plate (3), the upper part of the other end of the shell is provided with a feed inlet assembly (6), and the lower part of the other end of the shell is provided with a feed end plate (8); the power end plate (3) is connected with a fixed end supporting frame (2), and the fixed end supporting frame (2) is connected with the transmission system (1); feed end plate (8) even have free end to support frame (7), its characterized in that: the top of the shell (4) is provided with a brush screen cleaning mechanism (5), and the bottom is respectively provided with a screen underflow hopper (9) and a screen overflow hopper (11); a hopper hammer (10) is arranged on one side of the undersize discharge hopper (9); and a screen body (15) is arranged between the shell (4) and the feed inlet assembly (6).

2. The anti-blocking large-sized drum screen structure equipment according to claim 1, characterized in that: the brush screen cleaning mechanism (5) comprises a mechanism frame (26) and a mandrel (29) arranged on the mechanism frame (26); two ends of the mandrel (29) are connected with the mechanism frame (26) through mandrel fixing blocks (30); a wear-resistant lining cylinder (28) is arranged on the mandrel (29), and a brush (27) is arranged on the wear-resistant lining cylinder (28); the mechanism frame (26) is connected with the shell (4) through a height adjusting bolt (25).

3. The anti-blocking large-sized drum screen structure equipment according to claim 1, characterized in that: a power end tapered roller bearing (12) arranged on the fixed end supporting rack (2) is arranged at one end of the screen body (15), a feed end self-aligning roller bearing (16) arranged on the free end supporting rack (7) is arranged at the other end of the screen body (15), and a screen hammering device (13) and a screen (14) are respectively arranged on the screen body (15); the screen hammering device (13) is connected with the lower half of the shell (4).

4. An anti-blocking large-sized drum screen structure device according to claim 3, characterized in that: the screen (14) penetrates through the screen fixing pipe (22) through a long U-shaped bolt (20) and a short U-shaped bolt (24) to be connected with the screen body (15) respectively; a screen mesh compression ring (21) is arranged on the long U-shaped bolt (20); and a screen pressing plate (23) is arranged on the short U-shaped bolt (24).

5. An anti-blocking large-sized drum screen structure device according to claim 4, characterized in that: and 4 circles of screen mesh hammering devices (13) are arranged on the screen body (15), and 6 hammering devices are distributed in each circle.

6. An anti-blocking large-sized drum screen structure device according to claim 4, characterized in that: and a flange interface is arranged at the joint of the screen hammering device (13) and the lower half of the shell (4).

7. An anti-blocking large-sized drum screen structure device according to claim 4, characterized in that: the screen hammering device (13) is connected with the screen body (15) through a support rod (19).

8. The anti-blocking large-sized drum screen structure equipment according to claim 1, characterized in that: the end of oversize material of the screen body (15) is provided with an overflow plate (18).

9. The anti-blocking large-sized drum screen structure equipment according to claim 1, characterized in that: and inspection hole manholes (17) are respectively arranged on the power end plate (3) and the feeding end plate (8).