CN114887872A

CN114887872A - Novel drum screen

Info

Publication number: CN114887872A
Application number: CN202210443402.3A
Authority: CN
Inventors: 张定义
Original assignee: Luan Shuangxin Material Co ltd
Current assignee: Luan Shuangxin Material Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-12

Abstract

The invention discloses a novel drum screen, and relates to the technical field of drum screens; in order to solve the problem of screening effect; support in the shell body on ground through the landing leg and rotate and set up in the inside sieve section of thick bamboo of shell body, the inside of a sieve section of thick bamboo is provided with and scrambles the portion of moving, one side of shell body is provided with and is used for the drive to scramble the drive division of portion and sieve section of thick bamboo, it includes main shaft and the circular array fixed mounting of multiunit and scrambles the pole in main shaft outer wall to scramble the portion of moving, the tip fixed mounting who scrambles the pole has the head of scratching, one side outer wall fixed mounting of shell body has the feeder hopper rather than the inner chamber intercommunication, the bottom outer wall fixed mounting of shell body has the discharge gate, the tip fixed mounting of a sieve section of thick bamboo has the end plate. When the main shaft rotates, the main shaft can drive the flexible rod and the flexible head to turn over materials in the screen cylinder, so that the materials can be in contact with the inner wall of the screen cylinder more uniformly and efficiently and can be screened, and the screening reliability is improved.

Description

Novel drum screen

Technical Field

The invention relates to the technical field of drum screens, in particular to a novel drum screen.

Background

The drum screen is one of general screening machines, and has the advantages of attractive appearance, simple structure, convenient operation, simple use and maintenance and the like. Materials with different particle sizes can be obtained within a certain range by replacing the screen. The method is suitable for screening materials with different particle sizes, and is widely applied to a series of ore washing such as river sand washing, ore crushing washing, glass and ceramic raw material washing and the like, and material grading. The equipment greatly reduces the production loss and improves the working efficiency and the economic benefit.

Through retrieval, chinese patent publication No. CN202943018U discloses a drum screen, which includes a cylindrical screen plate, and the drum screen further includes a material lifting member disposed inside the screen plate, where the material lifting member includes two first plate-like members disposed oppositely and a second plate-like member connected between the two first plate-like members, the first plate-like members are perpendicular to the axial direction of the screen plate, a space for carrying materials can be defined between the two first plate-like members, the second plate-like member and the screen plate, and an opening for receiving and throwing materials is defined between the first plate-like member and the second plate-like member.

The above patents suffer from the following disadvantages: it only relies on the rotation of sieve to drive the material upset, can make the material upset less thorough to make the screening incomplete.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a novel drum screen.

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

the utility model provides a novel drum sieve, includes to support in the shell body on ground through the landing leg and rotates and set up in the inside sieve section of thick bamboo of shell body, the inside of a sieve section of thick bamboo is provided with and scratches the portion of moving, one side of shell body is provided with and is used for the drive to scratch the drive division of portion and a sieve section of thick bamboo, it includes main shaft and the circular array fixed mounting of multiunit and scratches the pole in the main shaft outer wall to scratch the portion, the tip fixed mounting who scratches the pole has and scratches the head.

Preferably: the utility model discloses a sieve, including the shell body, the outer wall fixed mounting of one side of shell body has the feeder hopper rather than the inner chamber intercommunication, the bottom outer wall fixed mounting of shell body has the discharge gate, the tip fixed mounting of a sieve section of thick bamboo has the end plate, and the one side that the feeder hopper was kept away from to a sieve section of thick bamboo is seted up jaggedly.

Further: the inner wall that the shell body is close to the breach fixed mounting have with a sieve section of thick bamboo normal running fit's spacer ring.

On the basis of the scheme: and the inner wall of the screen cylinder is fixedly provided with a helical blade.

The better scheme in the scheme is as follows: the scratching head comprises a scratching plate and a T-shaped sliding rod which is connected with the scratching plate in a sliding mode through a sliding groove formed in the scratching plate, a rolling ball is matched at the end of the T-shaped sliding rod in a rolling mode, and a first spring is fixedly installed on the other side of the T-shaped sliding rod.

As a further scheme of the invention: the ball is attached to the inner wall of the screen drum.

Meanwhile, the driving part comprises a second gear fixedly arranged on the outer wall of the main shaft, a gear ring fixedly arranged on the side wall of the shell and a first gear meshed with the second gear and the gear ring on the opposite side, and the first gear is rotatably connected to the end plate through an auxiliary shaft.

As a preferable aspect of the present invention: the outer wall of the gear ring is fixedly provided with a cover plate, the outer wall of the cover plate is fixedly provided with a driving motor, and an output shaft of the driving motor is fixedly arranged on the outer wall of the gear II.

And simultaneously, the inside wall of shell body is provided with the supporting part, the supporting part includes the telescopic link of roll laminating in the supporting roller and fixed mounting in shell body inner wall of sieve section of thick bamboo lateral wall, the outer wall of supporting roller rotates and is connected with the wheel carrier, and the wheel carrier passes through the bolt fastening with the telescopic link.

As a more preferable scheme of the invention: and a second spring is fixedly arranged on the outer wall of the opposite side of the wheel carrier and the telescopic rod.

The invention has the beneficial effects that:

1. according to the invention, when the main shaft rotates, the main shaft can drive the flexible rod and the flexible head to turn over materials in the screen cylinder, so that the materials can be more uniformly and efficiently contacted with the inner wall of the screen cylinder and screened, and the screening reliability is improved.

2. According to the invention, by arranging the helical blades, the screen cylinder can rotate and simultaneously can achieve an axial conveying effect on materials, so that the materials can be gradually conveyed and screened along the axial direction of the screen cylinder, the screening effect is improved, the reliability is also improved, and the situation that the materials are not accumulated before is prevented.

3. According to the invention, through improving the bending head, the spring I and the ball are additionally arranged, when the bending head rotates relative to the screen drum, the ball is attached to the inner wall of the screen drum and rolls, and due to the existence of screen holes of the screen drum, the ball can axially jump relative to the T-shaped slide rod when contacting the screen drum, so that the effect of applying high-frequency vibration to the screen drum is realized, the screening efficiency is increased through vibration, and sundries such as stones and the like are prevented from being clamped in the screen holes, thereby achieving the anti-blocking function.

4. According to the invention, through the arrangement of the first gear and the second gear, the rotation of the second gear and the revolution of the first gear are skillfully utilized to realize the screening rotation of the screen cylinder and the turning rotation of the main shaft, and the multi-function of one gear is realized on the basis of relatively simplified structure, so that the compactness of equipment is improved on the basis of reducing the manufacturing cost.

5. According to the invention, the support roller is arranged, so that a certain longitudinal elastic support can be provided for the screen cylinder, the screen cylinder is prevented from being locally deformed in the use process, the service life is prolonged, the support part is elastically supported through the second spring, the screen cylinder has screen holes, and the support roller can generate high-frequency vibration in the contact process with the screen cylinder, so that the screening effect is promoted, and the reliability of the anti-blocking function is also improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel drum screen according to the present invention;

fig. 2 is a schematic view of an internal structure of an outer shell of the novel drum screen according to the present invention;

fig. 3 is a schematic overall sectional structural view of a novel drum screen according to the present invention;

fig. 4 is a schematic structural view of a flexible part of the novel drum screen according to the present invention;

fig. 5 is a schematic cross-sectional structure view of a flexible head of a novel drum screen according to the present invention;

fig. 6 is a schematic structural view of a driving part of the novel drum screen according to the present invention;

fig. 7 is a schematic structural view of a supporting portion of a novel drum screen according to the present invention.

In the figure: 1-outer shell, 2-feed hopper, 3-discharge port, 4-support leg, 5-screen cylinder, 6-notch, 7-end plate, 8-spacer ring, 9-flexible part, 10-driving part, 11-main shaft, 12-flexible rod, 13-flexible head, 14-flexible plate, 15-chute, 16-spring I, 17- 'T' -shaped slide rod, 18-ball, 19-auxiliary shaft, 20-gear I, 21-gear ring, 22-driving motor, 23-cover plate, 24-gear II, 25-supporting part, 26-spring II, 27-telescopic rod, 28-wheel carrier, 29-supporting roller and 30-helical blade.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

a novel drum screen, as shown in fig. 1-7, comprising an outer casing 1 supported on the ground through support legs 4 and a screen drum 5 rotatably disposed inside the outer casing 1, wherein a flexible portion 9 is disposed inside the screen drum 5, and a driving portion 10 for driving the flexible portion 9 and the screen drum 5 is disposed on one side of the outer casing 1; the flexible part 9 comprises a main shaft 11 and a plurality of groups of flexible rods 12 welded on the outer wall of the main shaft 11 in a circular array manner, and flexible heads 13 are welded at the end parts of the flexible rods 12; when this device used, drive division 10 can drive a sieve section of thick bamboo 5 and flexible portion 9 is rotatory, and on the one hand, sieve section of thick bamboo 5 is rotatory can turn and sieve the material, and on the other hand, when main shaft 11 rotated, it can drive and scratch pole 12 and scratch head 13 and turn to the material in a sieve section of thick bamboo 5 to make the material can more even efficient and sieve 5 inner wall contacts and sieves, thereby improved the reliability of screening.

In order to solve the problem of feeding and discharging; as shown in fig. 1-2, a feed hopper 2 communicated with an inner cavity of the outer shell 1 is welded on the outer wall of one side of the outer shell 1, a discharge port 3 is welded on the outer wall of the bottom of the outer shell 1, an end plate 7 is welded on the end part of the screen cylinder 5, a notch 6 is formed in one side of the screen cylinder 5 far away from the feed hopper 2, and a spacer ring 8 rotationally matched with the screen cylinder 5 is welded on the inner wall of the outer shell 1 close to the notch 6; during the use, can drop into feeder hopper 2 with the material, it utilizes inertia and gravity can follow the side opening entering sieve section of thick bamboo 5 in a sieve section of thick bamboo 5, along with sieve section of thick bamboo 5 rotates the screening, 5 materials of a sieve section of thick bamboo that pass spill from discharge gate 3, and the material that is not sieved then discharges through breach 6, through the separation of spacer ring 8, along the tip discharge of discharge gate 3 to realize the screening function.

In order to solve the problem of reliable screening; as shown in fig. 3, a helical blade 30 is welded on the inner wall of the screen drum 5; through setting up helical blade 30, it can play the effect that the axial was carried to the material when a sieve section of thick bamboo 5 pivoted to can make the material progressively carry and sieve along a sieve section of thick bamboo 5 axial, also improve the reliability when having improved the screening effect, prevent that the material from piling up not before.

In order to further solve the problems of screening efficiency and blockage prevention; as shown in fig. 5, the flexible head 13 includes a flexible plate 14 and a T-shaped slide bar 17 slidably connected to the flexible plate 14 through a sliding slot 15 formed in the flexible plate 14, a ball 18 is roll-fitted at an end of the T-shaped slide bar 17, a first spring 16 is welded at the other side of the T-shaped slide bar 17, and the ball 18 is attached to the inner wall of the screen cylinder 5; through improving scratching head 13, add spring 16 and ball 18, when scratching head 13 and rotating for sieve section of thick bamboo 5 relatively, ball 18 laminating sieve section of thick bamboo 5 inner wall rolls, because sieve section of thick bamboo 5 sieve mesh exists, can take place relative "T" type slide bar 17's axial runout when ball 18 contacts sieve section of thick bamboo 5, thereby the effect of high frequency vibrations is applyed to sieve section of thick bamboo 5 in the realization, thereby increase screening efficiency through vibrations, and prevent debris card such as stone in the sieve mesh, reach and prevent stifled function.

In order to solve the driving problem; as shown in fig. 6, the driving part 10 includes a second gear 24 welded to the outer wall of the main shaft 11, a first gear 20 fixed to the side wall of the outer housing 1 by bolts, and a first gear 20 meshed with the second gear 24 and the side opposite to the first gear 21, the first gear 20 is rotatably connected to the end plate 7 by a counter shaft 19, a cover plate 23 is fixed to the outer wall of the first gear 21 by bolts, a driving motor 22 is fixed to the outer wall of the cover plate 23 by bolts, and an output shaft of the driving motor 22 is welded to the outer wall of the second gear 24; when the driving motor 22 is started, it can drive the gear two 24 to rotate, so as to drive the main shaft 11 to rotate, and when the gear two 24 rotates, it can drive the gear one 20 to rotate, so as to drive the screen cylinder 5 to rotate through the end plate 7; through the arrangement of the first gear 20 and the second gear 24, the rotation of the second gear 24 and the revolution of the first gear 20 are ingeniously utilized to realize the screening rotation of the screen drum 5 and the turning rotation of the main shaft 11, so that the multi-function of one-drive is realized on the basis of relatively simplified structure, and the compactness of the equipment is improved on the basis of reducing the manufacturing cost.

This embodiment is when using, can drop into feeder hopper 2 with the material, it utilizes inertia and gravity can follow in the side opening entering sieve section of thick bamboo 5 of sieve section of thick bamboo 5, start driving motor 22 afterwards, two 24 rotations of its energy band moving gear, thereby drive main shaft 11 and rotate, and when two 24 rotations of gear, can drive one 20 rotations of moving gear, thereby it rotates to drive sieve section of thick bamboo 5 through end plate 7, rotate the screening along with sieve section of

thick bamboo

5, 5 materials of sieve section of thick bamboo 5 that pass spill from discharge gate 3, the material that is not sieved then discharges through breach 6, separation through spacer ring 8, along the tip discharge of discharge gate 3.

Example 2:

a new trommel, as shown in fig. 7, for solving the supporting problem; the present embodiment is modified from embodiment 1 as follows: the inside wall of shell body 1 is provided with supporting part 25, supporting part 25 includes roll laminating in the supporting roller 29 of a sieve section of thick bamboo 5 lateral wall and the telescopic link 27 of being fixed in shell body 1 inner wall through the bolt, supporting roller 29's outer wall rotates and is connected with wheel carrier 28, and wheel carrier 28 passes through the bolt fastening with telescopic link 27, and just relative one side is provided with spring two 26.

In this embodiment, through setting up supporting roller 29, it can play certain vertical elastic support to a sieve section of thick bamboo 5 to prevent that a sieve section of thick bamboo 5 from appearing local deformation in the use, improve the life-span, and because supporting part 25 realizes elastic support through spring two 26, sieve section of thick bamboo 5 has the sieve mesh, supporting roller 29 and sieve section of thick bamboo 5 contact in-process can produce high frequency vibrations, thereby also improved the reliability of preventing stifled function when promoting the screening effect.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a novel drum sieve, includes and supports in the shell body (1) on ground through landing leg (4) and rotates and set up in the inside sieve section of thick bamboo (5) of shell body (1), the inside of sieve section of thick bamboo (5) is provided with to disturb moves portion (9), one side of shell body (1) is provided with and is used for the drive to disturb drive division (10) that move portion (9) and sieve section of thick bamboo (5), its characterized in that, it includes main shaft (11) and the circular array fixed mounting of multiunit and scrambles pole (12) in main shaft (11) outer wall to scramble portion (9), the tip fixed mounting of scrambleing pole (12) has scrambles head (13).

2. A novel drum screen according to claim 1, characterized in that a feed hopper (2) communicated with the inner cavity of the outer shell (1) is fixedly installed on the outer wall of one side of the outer shell (1), a discharge hole (3) is fixedly installed on the outer wall of the bottom of the outer shell (1), an end plate (7) is fixedly installed on the end portion of the screen cylinder (5), and a notch (6) is formed in one side, away from the feed hopper (2), of the screen cylinder (5).

3. A novel drum screen according to claim 2, characterized in that the inner wall of the outer shell (1) close to the gap (6) is fixedly provided with a spacer ring (8) which is rotatably matched with the screen cylinder (5).

4. A novel trommel as claimed in claim 3 wherein said screen cylinder (5) is fixedly mounted with helical blades (30) on its inner wall.

5. A novel drum screen as claimed in claim 1, wherein the scratching head (13) comprises a scratching plate (14) and a T-shaped sliding rod (17) which is slidably connected with the scratching plate (14) through a sliding groove (15) formed in the scratching plate (14), a rolling ball (18) is roll-fitted at the end of the T-shaped sliding rod (17), and a first spring (16) is fixedly mounted at the other side of the T-shaped sliding rod (17).

6. A novel trommel as claimed in claim 5 wherein said balls (18) are in abutment with the inner wall of the drum (5).

7. A novel trommel as claimed in claim 1 wherein said drive portion (10) comprises a second gear (24) fixedly mounted to the outer wall of the main shaft (11), a first gear (20) fixedly mounted to the side wall of the outer casing (1) and engaged with the second gear (24) and the opposite side of the first gear (20) to the second gear (21), said first gear (20) being rotatably connected to the end plate (7) by a secondary shaft (19).

8. A novel drum screen according to claim 7, characterized in that a cover plate (23) is fixedly installed on the outer wall of the gear ring (21), a driving motor (22) is fixedly installed on the outer wall of the cover plate (23), and an output shaft of the driving motor (22) is fixedly installed on the outer wall of the second gear (24).

9. A novel drum screen according to claim 1, characterized in that the inner side wall of the outer casing (1) is provided with a supporting part (25), the supporting part (25) comprises a supporting roller (29) which is in rolling fit with the side wall of the screen drum (5) and a telescopic rod (27) which is fixedly installed on the inner wall of the outer casing (1), the outer wall of the supporting roller (29) is rotatably connected with a wheel carrier (28), and the wheel carrier (28) and the telescopic rod (27) are fixed through bolts.

10. A novel drum screen according to claim 9, characterized in that a second spring (26) is fixedly arranged on the outer wall of the wheel frame (28) at the side opposite to the telescopic rod (27).