CN218191002U - Drum screen - Google Patents

Abstract

The utility model relates to a drum sieve technical field, concretely relates to drum sieve. Comprises a frame, a motor, a hopper and a screen drum; further comprising: a first gear and a second gear; the second gears are arranged at two ends of the screen cylinder and are meshed with the first gears; supporting disks are arranged on two sides of the second gear, and the second gear is connected to the supporting disks in a rotating mode; the supporting disk is arranged above the frame. The transmission processes such as the first gear and the second gear are all carried out outside a sieve section of thick bamboo, and a sieve section of thick bamboo does not have driven part, and then even the material blocks, can not influence the operation of a whole sieve section of thick bamboo yet, can not damage machinery. The rack mounting is between drum sieve and ground, when guaranteeing that the drum sieve can normal operating, guarantees that the drum sieve can not cause the influence to ground when the operation. Through the hierarchical transmission of belt, speed reducer, first gear and second gear, can slow down motor output speed, the screening of adaptation material that can be better.

Description

Drum screen

Technical Field

The utility model relates to a drum sieve technical field, concretely relates to drum sieve.

Background

The drum sieve is also called as rotary drum sieve, the sieve surface of the drum sieve is a cylindrical drum with holes, the working surface of the drum sieve is formed by arranging a plurality of rotary rollers, the shafts are provided with plates, and the drum sieve can be divided into a disc drum sieve and a special disc drum sieve according to different shapes of rotors.

The openings of the trommel are formed by the spaces between adjacent rollers and adjacent discs. During operation, the screen drum is driven by the transmission device to slowly rotate around the shaft, solid waste is fed from one end of the screen drum and is carried by the rotating drum, the solid waste automatically falls under the action of gravity after reaching a certain height, and the solid waste continuously rises and falls, so that materials fed to the screen surface gradually move towards the discharge end due to the rotation of the roller, fine particles smaller than the size of the screen holes penetrate through the screen, the screening effect is obtained, products on the screen gradually move to the other end of the screen to be discharged, and in order to enable the waste drum to advance along the axis direction, the line of the screen drum is required to incline by 3-5 degrees during installation.

The drum sieve is often used in the operation of coarse screening material (hole is greater than 15 mm), and is compared with fixed sieve, and screening efficiency is higher, and screening effect is good, and required mounting height is less, and the maintenance is simple and convenient. Although the structure of the screen is firm and reliable and has no unbalanced part, the screen is only widely used in coal preparation plants and iron works at present due to the complex structure, the screening efficiency is higher, and the roller screen is also used as a feeder besides a screen. Has the effect of one machine with two purposes, and can save investment cost.

The prior patent No. CN200420011882.3 is named as a patent of a drum screen for screening soil, an intermediate shaft is arranged at the central axis of the drum screen, two ends of the intermediate shaft extend out of the drum screen, bearings are respectively arranged at two ends of the intermediate shaft, one end of the intermediate shaft is connected with a motor, a comb-shaped crusher is fixed on the intermediate shaft, and the comb-shaped crusher is a rod-shaped body vertically and uniformly distributed on the intermediate shaft. When the screening machine works, the motor drives the middle shaft to rotate, so that the blocky materials in the roller screen are smashed and screened through the roller screen. Simple structure and reliable working performance.

But this patent sets up pivoted grinder and staff through the middle part, drives under the pivoted condition at the motor, causes inside material to block easily for grinder and staff can not continue to rotate, cause mechanical damage.

SUMMERY OF THE UTILITY MODEL

An object of this scheme is to provide a drum sieve to solve inside axis of rotation and blocked by the material and can not rotate, cause mechanical damage's problem.

In order to achieve the aim, the scheme provides a drum screen which comprises a rack, a motor, a hopper and a screen cylinder; the hopper is communicated with the screen drum; the screen drum is arranged on the frame, the motor is arranged on the frame, a speed reducer is arranged outside the motor, and a transmission shaft which is rotatably installed is arranged on the frame; a driving wheel which is coaxially arranged is arranged on the transmission shaft; the transmission wheel is connected with an output shaft of the speed reducer through a belt; further comprising: a first gear and a second gear; the first gear is rotationally arranged on the transmission shaft, the second gear is arranged at two ends of the screen drum, and the second gear is meshed with the first gear; supporting disks are arranged on two sides of the second gear, and the second gear is connected to the supporting disks in a rotating mode; the supporting disk is arranged above the frame.

The principle of the scheme is as follows: the materials are poured into the hopper, the motor is started, and under the driving of the belt, the driving wheel rotates to drive the transmission shaft to drive, and then the first gear is driven to rotate. The first gear is meshed with the second gear, so that the second gear is rotated, the screen drum is driven, and the material is screened out finally in the screening process inside the screen drum.

The scheme has the beneficial effects that: 1. transmission processes such as first gear and second gear all go on in the outside of a sieve section of thick bamboo, and a sieve section of thick bamboo is inside not to have driven part, and then even the material blocks, can not influence the operation of a whole sieve section of thick bamboo yet, can not damage machinery.

2. The rack is arranged between the drum screen and the ground, so that the drum screen can normally operate and cannot influence the ground during operation.

3. Through the hierarchical transmission of belt, speed reducer, first gear and second gear, can slow down motor output speed, the screening of adaptation material that can be better. Meanwhile, the speed reducer can adjust different output speeds according to different materials, and the applicability is wider.

Further, a feeding cylinder is arranged at the bottom of the hopper, and the feeding cylinder is obliquely arranged; the hopper is connected with the feeding cylinder through a mounting ring. Connect through detachable mode, realize simple to operate.

Furthermore, a discharge barrel is arranged on one side of the screen barrel and fixedly installed with the supporting disk, and the discharge barrel is obliquely arranged. Guarantee that the material sieves out smoothly, the while slope sets up and reduces and lifts the dust.

Further, be equipped with the telescopic support in the frame, and the support top is the arc setting, the supporting disk sets up on the support. The support is scalable, and then adjusts different height and different angles, is suitable for different scenes, is suitable for different raw materials. Simultaneously the supporting disk sets up on the support, the support sieve section of thick bamboo that can be more steady.

Further, the screen cloth is the concatenation setting. For screening fine material. Meanwhile, screens with different specifications and sizes can be used in the screen drum, and the requirement for combination of the thickness of materials is met.

Furthermore, a horizontally arranged friction strip is arranged inside the hopper. The height drop change of the materials in the hopper can be enhanced, so that the materials are slowed down to enter the screen drum.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a side view of an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

the reference numbers in the drawings of the specification include: the device comprises a rack 1, a motor 2, a transmission shaft 3, a belt 4, a transmission wheel 5, a support 6, a hopper 7, a mounting ring 8, a feeding cylinder 9, a screen cylinder 10, a screen 11, a first gear 12, a second gear 13 and a discharging cylinder 14.

As shown in figure 1:

the utility model provides a drum sieve, the bottom comprises frame 1, and frame 1 installs between drum sieve and ground, and work piece such as frame 1 is fixed through installation nail and ground installation simultaneously, guarantees that drum sieve can normal operating simultaneously, guarantees that drum sieve can not cause the influence to ground when the operation.

The motor 2 is arranged on the frame 1, the motor 2 is installed on the frame 1 through a screw, and the motor 2 is used for driving the whole operation of the drum screen.

The frame 1 is provided with a plurality of brackets 6, and the brackets 6 are telescopic, so that different heights and different angles can be adjusted, different scenes can be adopted, and different raw materials can be adopted.

The support 6 at both ends is the arc setting, and the purpose is to guarantee that a sieve section of thick bamboo 10 can place on support 6.

The transmission shaft 3 is provided with a coaxially mounted transmission wheel 5, one side of the motor 2 is provided with a speed reducer, and the transmission wheel 5 is connected with an output shaft of the speed reducer through a belt 4 and can drive the transmission shaft 3 to synchronously rotate. Frame 1 installs between drum sieve and ground, and frame 1 is fixed through work piece such as installation nail and ground installation simultaneously, when guaranteeing that the drum sieve can normal operating, guarantees that the drum sieve can not cause the influence to ground when the operation.

Be equipped with a sieve section of thick bamboo 10 on the frame 1, sieve section of thick bamboo 10 one end is equipped with hopper 7 with it intercommunication, and intercommunication department is equipped with a feeding section of thick bamboo 9 that the slope set up, and hopper 7 is used for being connected through collar 8 to the inside transported substance material of a sieve section of thick bamboo 10 between hopper 7 and the feeding section of thick bamboo 9, can install in a flexible way, convenient to detach guarantees simultaneously when the installation that hopper 7 can be steady place.

The hopper 7 is internally provided with a friction strip for friction, and the friction strip is horizontally and transversely arranged in the hopper 7, so that the height drop change of materials in the hopper 7 can be enhanced, and the materials are slowly fed into the screen drum 10.

The screen mesh 11 is arranged inside the screen drum 10, and the screen mesh 11 can be spliced and used for screening fine materials. Meanwhile, the screen meshes 11 with different specifications and sizes can be used in the screen cylinder 10, so that the requirement of material thickness combination is met.

As shown in fig. 2:

two ends of the screen cylinder 10 are provided with second gears 13 which are coaxially mounted, the outer sides of the second gears 13 are provided with supporting discs which are coaxially mounted, the supporting discs are placed on the support 6, the second gears 13 are fixedly connected with the screen cylinder 10, and the second gears 13 are rotatably connected with the supporting discs. The transmission shaft 3 is provided with a first gear 12 which is rotatably arranged, and the first gear 12 is meshed with a second gear 13.

The frame 1 is provided with another transmission shaft 3, the transmission shaft 3 is provided with a rotating first gear 12, the first gear 12 is meshed with a second gear 13, and the first gear 12 on the two transmission shafts 3 is horizontally arranged, so that the second gear is supported, the rotation is not required to be provided by electric power, the second gear is only used for supporting, and the second gear 13 drives the rotation.

When the transmission shaft 3 rotates, the first gear 12 is driven to synchronously rotate, and then the second gear 13 is driven to rotate, and the second gear 13 drives the screen cylinder 10 to rotate. The material is screened under the drive of the screen drum 10.

One side of a sieve section of thick bamboo 10 is equipped with out feed cylinder 14, goes out feed cylinder 14 and supporting disk fixed mounting, and goes out feed cylinder 14 slope setting, guarantees that the material sieves out smoothly, and the slope sets up simultaneously and reduces the dust of kicking up.

During specific operation, the whole rotary screen is installed, the support 6 is adjusted, and the side of the discharge cylinder 14 of the screen cylinder 10 is lower than the side of the feed cylinder 9.

The materials are poured into the hopper 7, the motor 2 is started, and the driving wheel 5 rotates under the driving of the belt 4 to drive the transmission shaft 3 to transmit, so as to drive the first gear 12 to rotate.

The first gear 12 and the second gear 13 are meshed to realize that the second gear 13 rotates, so that the screen cylinder 10 is driven to realize the screening process of materials in the screen cylinder 10, and finally the materials are screened out along the discharge cylinder 14.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (6)

1. A drum screen comprises a frame, a motor, a hopper and a screen drum; the hopper is communicated with the screen drum; the screen drum is arranged on the frame; a screen is arranged in the screen drum; the motor is arranged on the rack, a speed reducer is arranged outside the motor, and a transmission shaft which is rotatably installed is arranged on the rack; the transmission shaft is provided with a coaxially mounted transmission wheel; the driving wheel is connected with an output shaft of the speed reducer through a belt; it is characterized by also comprising: a first gear and a second gear; the first gear is rotationally arranged on the transmission shaft, the second gear is arranged at two ends of the screen drum, and the second gear is meshed with the first gear; supporting discs are arranged on two sides of the second gear, and the second gear is connected to the supporting discs in a rotating mode; the supporting disk is arranged above the frame.

2. The drum screen according to claim 1, wherein a feeding cylinder is arranged at the bottom of the hopper, and the feeding cylinder is arranged obliquely; the hopper is connected with the feeding cylinder through a mounting ring.

3. The drum screen according to claim 1, wherein a discharge barrel is arranged on one side of the screen barrel, the discharge barrel is fixedly mounted with the support plate, and the discharge barrel is obliquely arranged.

4. The drum screen according to claim 1, wherein the frame is provided with a retractable support, the top of the support is arranged in an arc shape, and the support disc is arranged on the support.

5. A trommel as claimed in claim 1 wherein the screens are in a tiled arrangement.

6. A trommel as claimed in claim 1 wherein the hopper is internally provided with horizontally disposed rubbing strips.

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