Shaftless drum screening machine with conveying and cleaning functions

Abstract

The shaftless drum screening machine with the conveying and cleaning functions comprises a machine frame, a conveying mechanism and a drum screen, the conveying mechanism and the drum screen are installed in the machine frame, the conveying mechanism is in transmission connection with a first speed reducer, a hopper is arranged on the outer side of the conveying mechanism, and the conveying mechanism is connected with the first speed reducer in a transmission mode. A rotary screen is arranged on one side of the conveying mechanism, brackets are symmetrically arranged on the two sides of the bottom of the rotary screen, supporting wheels are movably installed on the brackets, the multiple supporting wheels are used for supporting and are connected with the bottom of the rotary screen in a rolling mode, and a roll shaft round brush is arranged above the rotary screen. According to the shaftless drum screening machine with the conveying and cleaning functions, the conveying mechanism, the drum screen and the roll shaft round brush are arranged, so that the functions of continuous conveying of materials, installation of the shaftless drum screen and cleaning of the drum screen are achieved, and the screening machine has the advantages of being multifunctional and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field, concretely is a kind of shaftless drum screening machine with conveying and cleaning function. BACKGROUND

[0002] The process that broken material is divided into different particle levels by one or several layers of screen surface is called screening.The screening machine is a vibrating screening mechanical equipment that makes part of particles pass through sieve hole according to the relative movement of granular material and screen surface, and divides common material into different levels according to particle size.The screening process of screening machine is generally continuous, and after raw material is supplied to screening mechanical device (referred to as screen), material smaller than sieve hole size passes through sieve hole, which is called undersize product; material larger than sieve hole size is continuously discharged from screen surface, which is called oversize product.

[0003] Chinese patent number: CN222112479U discloses a shiitake mushroom screening machine, which comprises a rolling screening structure, a pressing structure and a linkage structure.

[0004] However, the above-mentioned screening machine has the following disadvantages during use: first, the device cannot conveniently feed material into the inside of the rolling screening structure for operation; second, the rolling screening structure adopts a connection mode of motor and rotating shaft to realize rotation, which requires a high rotating shaft to ensure the stability of the rolling screening mechanism during rotation, and the operation is complicated during maintenance or replacement; finally, it is time-consuming and laborious to clean the surface of the rolling screening mechanism, and there is no cleaning mechanism, which reduces the practicability. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a shaftless drum screening machine with conveying and cleaning functions to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a shaftless drum screening machine with conveying and cleaning functions, comprising a rack, a conveying mechanism and a drum screen, the inside of the rack is installed with the conveying mechanism and the drum screen, the conveying mechanism is drivingly connected with a speed reducer one, a hopper is arranged outside the conveying mechanism, the hopper is fixedly installed on the rack, the speed reducer one is fixedly installed outside the rack, and the drum screen is arranged on one side of the conveying mechanism.

[0007] Preferably, the bottom of the drum screen is symmetrically provided with a bracket on both sides, the bracket is fixedly installed on the inner side of the rack, a supporting wheel is movably installed on the bracket, the supporting wheel supports and is rotatably connected with the bottom of the drum screen, and the supporting wheel on one group of brackets is rotatably connected with the speed reducer two through a chain and a sprocket.

[0008] Preferably, the inner side wall of the drum screen is fixedly welded with a spiral blade.

[0009] Preferably, the drum screen is provided with a roller brush above the drum screen, the roller brush is attached to the drum screen, the two sides of the roller brush are connected with a support through a connecting shaft, and the support is fixedly installed on the rack.

[0010] Preferably, the rack is provided with height-adjustable supporting legs at four corners, and a plurality of fixed lifting eyes are fixedly and symmetrically arranged on the outer side wall of the rack.

[0011] Preferably, the rack is provided with a control unit, the control unit is electrically connected with the speed reducer one and the speed reducer two respectively, and an emergency stop button is arranged on the rack.

[0012] Preferably, the rack is provided with a control unit, the control unit is electrically connected with the speed reducer one and the speed reducer two respectively, and an emergency stop button is arranged on the rack.

[0013] Preferably, the other side of the drum screen is provided with a discharging plate, and the discharging plate is fixedly installed on the rack.

[0014] The drum screen has the advantages that:

[0015] 1. The shaftless drum screen classifier has the conveying and cleaning functions, the conveying mechanism is rotatably connected with the speed reducer one, the conveying mechanism is convenient for conveying the material to be screened into the drum screen on one side for operation, can prevent the phenomenon of blockage when the material is directly put into the drum screen, and has the functions of convenient feeding and continuous operation.

[0016] 2. The shaftless drum screen classifier has the conveying and cleaning functions, the shaftless drum screen is supported by the bracket and the supporting wheel, the power end is rotatably connected with the speed reducer two on the rack in the form of a chain wheel and a chain, and then the drum screen is rotatably connected, so that the rotation process is completed, and the phenomenon of adverse factors caused by the traditional rotary shaft structure driving is reduced.

[0017] 3. The shaftless drum screen classifier has the conveying and cleaning functions, the roller brush mechanism is rotatably connected with the drum screen, the roller brush can clean the drum screen during the rotation of the drum screen, so that the surface of the material can be cleaned when the material is screened, and time and labor are saved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the utility model;

[0019] Figure 2 It is a partial internal view of the utility model structure in the main view state;

[0020] Figure 3 It is a structure plan view of the utility model;

[0021] Figure 4 It is a rack structure schematic view of the utility model;

[0022] Figure 5 It is a supporting wheel structure schematic view of the utility model.

[0023] In the drawing: 1 rack, 2 conveying mechanism, 3 drum screen, 4 speed reducer one, 5 hopper, 6 bracket, 7 supporting wheel, 8 speed reducer two, 9 roller shaft circular brush, 10 support, 11 supporting leg, 12 fixed lifting ring, 13 control unit, 14 emergency stop button, 15 guard plate, 16 access door, 17 discharging plate, 18 helical blade. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a shaftless drum screen separator with conveying and cleaning function, including rack 1, conveying mechanism 2 and drum screen 3, conveying mechanism 2 and drum screen 3 are installed in the inside of rack 1, conveying mechanism 2 is connected with speed reducer one 4 transmission, and hopper 5 is provided on the outside of conveying mechanism 2, hopper 5 is fixedly installed on rack 1, speed reducer one 4 is fixedly installed on the outside of rack 1, one side of conveying mechanism 2 is provided with drum screen 3.

[0026] As preferred scheme, conveying mechanism 2 is the process that existing motor drives roller to make conveying belt realize transmission, and its specific structure content is not described in detail, conveying mechanism 2 is used to convey material to drum screen 3, and hopper 5 can increase outside leakage prevention effect, to facilitate feeding.

[0027] Specifically, the bottom of the drum screen 3 is symmetrically provided with a bracket 6 on both sides, the bracket 6 is fixedly installed on the inner side of the rack 1, the bracket 6 is movably installed with a supporting roller 7 on both sides, the plurality of supporting rollers 7 are supported and connected with the bottom of the drum screen 3 to rotate, and the supporting roller 7 on one side of one group of brackets 6 is connected with the reducer two 8 through the transmission mode of chain and sprocket.

[0028] As a preferred scheme, four groups of brackets 6 are provided on the inner side of the rack 1, the supporting roller 7 on the bracket 6 is used to support the drum screen 3, and the reducer two 9 is driven to rotate the supporting roller 7 through the transmission mode of chain and sprocket (which is prior art, the working principle of driving the supporting roller 7 to rotate is not described in detail, and the reducer two 9 can drive the drum screen 3 to rotate and screen the work, forming a shaftless installation. Figure 5 As can be seen, the installation mode and introduction are not described in detail), and further drives the drum screen 3 to rotate and screen the work, forming a shaftless installation.

[0029] Specifically, the inner side wall of the drum screen 3 is fixedly welded with a spiral blade 18, and it should be noted that the surface of the drum screen 3 has a screen, which is a steel wire woven mesh, and the size of the screen hole can be configured by the user according to the process requirement. The spiral blade 18 can make the internal material rotate at the same time, and the large particles are retained in the drum screen 3 for transmission to the tail end for material receiving, while the small particles fall off. Further, the other side of the drum screen 3 is provided with a discharging plate 17, the discharging plate 17 is fixedly installed on the rack 1, and the discharging plate 17 is used for receiving material.

[0030] Specifically, the drum screen 3 is provided with a roller shaft circular brush 9 above, the roller shaft circular brush 9 is in close contact with the drum screen 3, the two sides of the roller shaft circular brush 9 are connected with a support 10 through a connecting shaft, and the support 10 is fixedly installed on the rack 1.

[0031] As a preferred scheme, when the drum screen 3 rotates, the roller shaft circular brush 9 can clean the drum screen 3 to achieve the purpose of surface cleaning when screening various materials, saving time and effort.

[0032] Specifically, the rack 1 is provided with adjustable height supporting legs 11 at the four corners, the supporting legs 11 are hand-operated jack supports, which are prior art, and the maximum bearing capacity is 5T, so that the device can be lifted to a suitable height. The supporting legs 11 in the embodiment are in a laid-down state, and a plurality of fixed lifting rings 12 are fixedly and symmetrically provided on the outer side wall of the rack 1, the fixed lifting rings 12 are used for forklift lifting, which is convenient for transportation and installation.

[0033] Specifically, the rack 1 is provided with a control unit 13, the control unit 13 is electrically connected with the reducer one 4 and the reducer two 8, and a quick stop button 14 is installed on the rack 1.

[0034] Specifically, the rack 1 is provided with a guard plate 15 and an access door 16 on both sides.

[0035] The utility model discloses in the specific implementation: the device is placed at the suitable working position, and the support leg 11 supports, and after lifting the suitable height, the material receiving device such as the material receiving tray is placed at the bottom of the drum screen 3, is used for the collection of small particle, can be upgraded to the bottom conveying mechanism in later period, connects the power supply, controls the corresponding speed reducer through control unit 13, makes its conveying mechanism 2 and drum screen 3 realize operation, pours the material to be screened from the hopper on the conveying belt of conveying mechanism, makes the material be transported to the drum screen 3 of one side, and the speed reducer two 8 drives one group of the carrier roller 7 rotation, thereby makes the drum screen 3 rotate, and then the particulate matter rotates to a certain height with the screen cylinder, is thrown and falls due to the action of gravity, is filtered through the screen, forms the screening, and small particle falls to the collection below, and large particle is transmitted to the tail end through the spiral blade 18 and is collected on the unloading plate 17, in the process of the drum screen 3 rotation, the roller shaft round brush 9 of upper adhesion is cleaned to the outside surface of the drum screen 3, makes the later reduction cleaning intensity.

[0036] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A shaftless drum screen with conveying and cleaning functions, comprising a frame (1), a conveying mechanism (2), and a drum screen (3), characterized in that: The frame (1) is equipped with a conveying mechanism (2) and a drum screen (3). The conveying mechanism (2) is connected to a reducer (4) and a hopper (5) is provided on the outside of the conveying mechanism (2). The hopper (5) is fixedly installed on the frame (1). The reducer (4) is fixedly installed on the outside of the frame (1). A drum screen (3) is provided on one side of the conveying mechanism (2).

2. The shaftless drum screen with conveying and cleaning functions according to claim 1, characterized in that: The bottom sides of the drum screen (3) are symmetrically provided with brackets (6). The brackets (6) are fixedly installed on the inner side of the frame (1). Each bracket (6) is movably installed with a roller (7). The multiple rollers (7) support and are connected to the bottom of the drum screen (3) in a rolling manner. One side of the roller (7) on one of the brackets (6) is connected to the reducer (8) through the transmission method of chain and sprocket.

3. The shaftless drum screen with conveying and cleaning functions according to claim 1, characterized in that: Spiral blades (18) are fixedly welded to the inner wall of the drum screen (3).

4. A shaftless drum screen with conveying and cleaning functions according to claim 2, characterized in that: A roller brush (9) is provided above the drum screen (3). The roller brush (9) is in contact with the drum screen (3). The two sides of the roller brush (9) are connected to the bracket (10) through the connecting shaft. The bracket (10) is fixedly installed on the frame (1).

5. A shaftless drum screen with conveying and cleaning functions according to claim 1, characterized in that: The frame (1) is equipped with adjustable height support legs (11) at the four corners, and multiple fixing rings (12) are fixed and symmetrically arranged on the outer side wall of the frame (1).

6. A shaftless drum screen with conveying and cleaning functions according to claim 1, characterized in that: The frame (1) is equipped with a control unit (13), which is electrically connected to reducer one (4) and reducer two (8) respectively, and an emergency stop button (14) is installed on the frame (1).

7. A shaftless drum screen with conveying and cleaning functions according to claim 1, characterized in that: The frame (1) is equipped with guard plates (15) and inspection doors (16) on both sides.

8. A shaftless drum screen with conveying and cleaning functions according to claim 1, characterized in that: A feed plate (17) is provided on the other side of the drum screen (3), and the feed plate (17) is fixedly installed on the frame (1).

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