CN219024921U - Roller screen fixing ring - Google Patents

Abstract

The utility model relates to the technical field of rotary screens, in particular to a rotary screen fixing ring. Comprising the following steps: a drum screen; characterized by further comprising: the device comprises a frame, a screen drum and a transmission part; the transmission member includes: a first gear and a second gear; the outside of the first gear is provided with driving equipment, the second gear is arranged at two ends of the screen drum, and the second gear is meshed with the first gear; support plates are arranged on two sides of the second gear, and the second gear is rotationally connected to the support plates; the supporting disc is arranged above the frame; a fixed ring is arranged between the screen drum and the second gear, a groove is formed in the side wall of the second gear, the fixed ring is matched with the groove, a plurality of fixed holes are formed in the fixed ring, a threaded hole corresponding to the fixed ring is formed in the second gear, and the fixed ring is connected with the second gear through a screw. The problem of resistance is caused to the connection too tightly, utilizes the fixed ring to set up inside the recess of second gear, by the fix with screw, reduces the infiltration of material between fixed ring and the second gear, reduces the friction between the two.

Description

Roller screen fixing ring

Technical Field

The utility model relates to the technical field of rotary screens, in particular to a rotary screen fixing ring.

Background

The drum screen is also called a rotary drum screen, the screen surface of the drum screen is a cylindrical barrel with holes, the working surface of the drum screen is formed by arranging a rotary roller, a plate is arranged on the shaft, and the drum screen can be classified into a disc drum screen and a special-shaped disc drum screen according to the different shapes of the 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 taken up by the rotating drum body, and the solid waste falls down automatically under the action of gravity after reaching a certain height, so that the solid waste continuously rises and falls, the material fed onto the screen surface gradually moves towards the discharge end due to the rotation of the roller, fine particles smaller than the size of the screen holes are thoroughly screened, so that the screening effect is obtained, the product on the screen is gradually moved to the other end of the screen to be discharged, and the screen drum wire is inclined by 3-5 degrees for the purpose of leading the waste to advance in the drum along the axial direction during installation.

The drum screen is commonly used in the operation of coarse screen material (hole is greater than 15 mm), compares with the fixed screen, and screening efficiency is higher, and screening effect is good, and required mounting height is less, easy and simple to handle. Although the screen has firm and reliable structure and no unbalance part, the screen is widely used in coal preparation plants and ironworks at present due to the complex structure, and the screening efficiency is higher. Has the functions of one machine and two purposes, and can save investment cost.

The prior patent number CN200420011882.3 is a patent of a drum screen for screening soil, wherein 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, two ends of the intermediate shaft are respectively provided with a bearing, one end is connected with a motor, a comb-shaped pulverizer is fixed on the intermediate shaft, and the comb-shaped pulverizer is a rod-shaped body which is vertically and uniformly distributed on the intermediate shaft. During operation, the motor drives the intermediate shaft to rotate, the block materials in the roller screen mesh are smashed, and screening is carried out through the roller screen mesh. Simple structure and reliable working performance.

When connecting each part, connect too tightly or too closely all can influence the rotation effect, and then influence screening. And if materials between the connecting parts infiltrate, mechanical damage is increased.

Disclosure of Invention

The purpose of this scheme is to provide the fixed ring of drum sieve to solve the material infiltration and influence the problem that machinery used.

In order to achieve the above object, the present solution provides a trommel fixing ring, comprising: a drum screen; further comprises: the device comprises a frame, a screen drum and a transmission part; the transmission member includes: a first gear and a second gear; the second gear is arranged at two ends of the screen cylinder and meshed with the first gear; the two sides of the second gear are provided with supporting discs, and the second gear is rotationally connected to the supporting discs; the supporting disc is arranged above the frame; the screen cylinder is characterized in that a fixed ring is arranged between the screen cylinder and the second gear, a groove is formed in the side wall of the second gear, the fixed ring is matched with the groove, the fixed ring is provided with a plurality of fixed holes, a threaded hole corresponding to the fixed ring is formed in the second gear, and the fixed ring is connected with the second gear through screws.

The principle of the scheme is as follows: the second gear is connected with the screen cylinder through the fixed ring, and simultaneously, the cooperation of screw holes and screws is utilized, so that the connection between the second gear and the fixed ring is tighter, the sliding in the screening process is prevented, and the screening is caused to be problematic.

The beneficial effect of this scheme: this scheme can solve traditional screening problem, to the problem that connects the tight resistance that causes, utilizes the solid fixed ring setting to be inside the recess of second gear simultaneously, by the fix with screw again, and then reduces the infiltration of material between solid fixed ring and the second gear, reduces the friction between the two.

Further, the trommel includes: the device comprises a motor, a hopper and a screen drum; the hopper is communicated with the screen cylinder; the screen cylinder is arranged on the frame; a screen is arranged in the screen cylinder; the motor is arranged on the frame, a speed reducer is arranged outside the motor, and an output shaft which is rotatably arranged is arranged on the frame; the output shaft is provided with a coaxially installed driving wheel; the driving wheel is connected with an output shaft of the speed reducer through a belt; the first gear is rotatably arranged on the output shaft. The transmission processes of the first gear, the second gear and the like are all carried out outside the screen cylinder, and no transmission part exists inside the screen cylinder, so that even if materials are clamped, the operation of the whole screen cylinder can not be influenced, and the machine can not be damaged.

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

Further, a discharging cylinder is arranged on one side of the screen cylinder and fixedly installed with the supporting disc, and the discharging cylinder is obliquely arranged. Ensure that the material is sieved out smoothly, slope setting reduces the dust that lifts up simultaneously.

Further, be equipped with telescopic support in the frame, and the support top is the arc setting, the supporting disk sets up on the support. The support is telescopic, and then adjusts different height and different angles, is suitable for different scenes, is suitable for different raw materials. Meanwhile, the supporting disc is arranged on the support, so that the screen cylinder can be supported more stably.

Further, the screen mesh is spliced. Is used for sieving fine materials. Meanwhile, screens with different specifications and sizes can be used in the screen cylinder, so that the requirements of combining the thickness of materials are met.

Further, the hopper is internally provided with a friction strip which is horizontally arranged. The height drop change of the materials in the hopper can be enhanced, so that the materials can be slowed down to enter the screen drum.

Drawings

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

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

FIG. 3 is a schematic view illustrating a structure of a fixing ring according to an embodiment of the present utility model

Fig. 4 is a schematic diagram of a second gear structure according to an embodiment of the utility model.

Detailed Description

The following is a further detailed description of the embodiments:

the labels in the drawings of this specification include: the device comprises a frame 1, a motor 2, a transmission shaft 3, a belt 4, a transmission wheel 5, a bracket 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, a discharging cylinder 14 and a fixing ring 15.

As shown in fig. 1:

the bottom of the rotary screen fixing ring is composed of a frame 1, the frame 1 is installed between the rotary screen and the ground, and meanwhile, the frame 1 is fixedly installed on the ground through workpieces such as installation nails, so that the rotary screen can normally operate and can not influence the ground during operation.

The frame 1 is provided with a motor 2, the motor 2 is arranged on the frame 1 through screws, and the motor 2 is used for driving the whole running of the rotary screen.

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

The brackets 6 at the two ends are arranged in an arc shape, so as to ensure that the screen cylinder 10 can be placed on the brackets 6.

The transmission shaft 3 is provided with a coaxially installed 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, so that the transmission shaft 3 can be driven to synchronously rotate. The frame 1 is installed between drum sieve and ground, and frame 1 is fixed through work piece and ground installation such as installation nail simultaneously, guarantees that drum sieve can normal operating, guarantees that drum sieve can not cause the influence to ground when the operation.

Be equipped with screen drum 10 on frame 1, screen drum 10 one end is equipped with the hopper 7 with it intercommunication, and the intercommunication department is equipped with the feed cylinder 9 that the slope set up, and hopper 7 is used for carrying the material to screen drum 10 inside, is connected through collar 8 between hopper 7 and the feed cylinder 9, can install in a flexible way, convenient to detach guarantees simultaneously that hopper 7 can be steady when the installation place.

The inside friction strip that is used for the friction that is equipped with of hopper 7, the horizontal setting in hopper 7, the purpose can strengthen the high fall change of material in hopper 7 for the material slows down and gets into in the screen cylinder 10.

The screen drum 10 is internally provided with a screen 11, and the screen 11 can be spliced and arranged for screening fine materials. Meanwhile, screens 11 with different specifications and sizes can be used in the screen cylinder 10, so that the requirements of combining the thickness of materials are met.

As shown in fig. 2:

the both ends of screen cylinder 10 are equipped with coaxial mounting's second gear 13, and the second gear 13 outside is equipped with coaxial mounting's supporting disk, and the supporting disk is placed on support 6, and second gear 13 and screen cylinder 10 fixed connection, second gear 13 and supporting disk rotate to be connected. 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 machine frame 1 is provided with another transmission shaft 3, the transmission shaft 3 is provided with a rotary first gear 12, the first gear 12 is meshed with a second gear 13, the first gears 12 on the two transmission shafts 3 are horizontally arranged, the purpose is to provide support for the second gear 13, no electric power is needed to provide rotation, the electric power is only used for supporting, and the second gear 13 drives the rotary machine.

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

One side of the screen cylinder 10 is provided with a discharge cylinder 14, the discharge cylinder 14 is fixedly arranged with the supporting disc, the discharge cylinder 14 is obliquely arranged, smooth screening of materials is ensured, and meanwhile, the inclined arrangement reduces raised dust.

As shown in fig. 3 and 4:

the fixed ring is provided with a plurality of locating holes, the locating ring is matched with the second gear, the side wall of the second gear is provided with a groove, the groove is matched with the fixed ring, the side wall of the second gear is provided with a threaded hole matched with the locating hole, the fixed ring and the second gear are connected through screws, and the fixed ring is connected in the groove of the second gear to ensure synchronous running during rotation.

The middle parts of the fixed ring and the second gear are hollow, so that the material can be ensured to enter smoothly.

In specific operation, the whole rotary screen is installed, the bracket 6 is adjusted, and the discharging cylinder 14 side of the screen cylinder 10 is ensured to be lower than the feeding cylinder 9 side.

Pouring materials into the hopper 7, starting the motor 2, driving the driving wheel 5 to rotate under the driving of the belt 4, driving the driving shaft 3 to drive, and further driving the first gear 12 to rotate.

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

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (7)

1. A trommel retaining ring comprising: a drum screen; characterized by further comprising: the device comprises a frame, a screen drum and a transmission part; the transmission member includes: a first gear and a second gear; the second gear is arranged at two ends of the screen cylinder and meshed with the first gear; the two sides of the second gear are provided with supporting discs, and the second gear is rotationally connected to the supporting discs; the supporting disc is arranged above the frame; the screen cylinder is characterized in that a fixed ring is arranged between the screen cylinder and the second gear, a groove is formed in the side wall of the second gear, the fixed ring is matched with the groove, the fixed ring is provided with a plurality of fixed holes, a threaded hole corresponding to the fixed ring is formed in the second gear, and the fixed ring is connected with the second gear through screws.

2. The trommel retaining ring of claim 1, wherein the trommel comprises: the device comprises a frame, a motor, a hopper and a screen drum; the hopper is communicated with the screen cylinder; the screen cylinder is arranged on the frame; a screen is arranged in the screen cylinder; the motor is arranged on the frame, a speed reducer is arranged outside the motor, and an output shaft which is rotatably arranged is arranged on the frame; the output shaft is provided with a coaxially installed driving wheel; the driving wheel is connected with an output shaft of the speed reducer through a belt; the first gear is rotatably arranged on the output shaft.

3. The trommel fixing ring as claimed in claim 2, wherein a feed cylinder is provided at the bottom of the hopper and is inclined; the hopper is connected with the feeding cylinder through a mounting ring.

4. The trommel fixing ring as claimed in claim 1, wherein a discharge cylinder is provided at one side of the screen cylinder, and the discharge cylinder is fixedly installed to the support plate, and the discharge cylinder is disposed to be inclined.

5. The trommel fixing ring as claimed in claim 1, wherein the frame is provided with a telescopic support, the top of the support is arc-shaped, and the support plate is arranged on the support.

6. The trommel retaining ring of claim 2, wherein the screens are in a splice arrangement.

7. The trommel retaining ring of claim 2, wherein the hopper is internally provided with horizontally disposed friction bars.

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