CN210614291U - High-efficiency rolling screen - Google Patents
High-efficiency rolling screen Download PDFInfo
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- CN210614291U CN210614291U CN201921428183.1U CN201921428183U CN210614291U CN 210614291 U CN210614291 U CN 210614291U CN 201921428183 U CN201921428183 U CN 201921428183U CN 210614291 U CN210614291 U CN 210614291U
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Abstract
The utility model discloses a high-efficiency mesh rolling screen, which comprises a shell, wherein a feeding port, a coarse material outlet and a cloth plate feed opening are arranged on the shell, a plurality of screen cage devices are arranged in the shell, the upper surfaces of the arranged screen cage devices form a screen surface, the screen surface is downwards inclined from the feeding end to the discharging end, the feeding port is positioned above the feeding end, the coarse material outlet is positioned at the front lower side of the discharging end, and the cloth plate feed opening is positioned below the screen surface; a screen cage driving device in transmission connection with the screen cage devices is installed outside the shell, the transmission devices are in transmission connection between the screen cage devices, and anti-blocking scraping devices are correspondingly arranged below the screen cage devices in the shell; the utility model has the advantages of simple structure, the energy consumption is low, screening efficiency is high, can effectively avoid blockking up the sieve mesh and the material is piled up, be favorable to rolling the using widely of mesh screen.
Description
Technical Field
The utility model belongs to the technical field of material screening equipment, especially, relate to a high-efficient mesh screen that rolls.
Background
The drum screen is used as a common screening device, is suitable for screening coal, coke, ore, limestone and the like, is widely applied to a coal conveying system of a thermal power plant, and is also widely applied to metallurgy, chemical industry, building materials and coal systems.
The working principle of the drum screen is as follows: after the materials enter the drum screen, the materials on the screen surface are turned and rolled due to the rotation of the drum screen, so that the qualified materials (products under the screen) are discharged through the screen holes on the excircle of the drum, and the unqualified materials (products on the screen) are discharged through the tail end of the drum. At present, the existing drum screen has the following defects:
firstly, due to the fact that materials are overturned and rolled in the roller, the materials are prone to blocking and pasting holes, particularly, wet granular materials with large water content and large viscosity easily block all screen holes during screening, screening cannot be achieved, great inconvenience is brought to manual cleaning of the roller during timing, and screening efficiency and screening quality are seriously affected;
secondly, when partial sieve pores are blocked, the speed of discharging materials in the roller is slowed down, the materials in the roller are gradually accumulated and accumulated into a pile, finally, the inside of the roller is completely filled to block the sieve, at the moment, the equipment needs to be stopped, the materials in the roller are manually cleaned, time and labor are wasted, however, a material guide device which is beneficial to material guide is not arranged in the existing roller, and the screening efficiency is low;
third, current drum sieve all adopts the axis of rotation to be fixed with the cylinder in general, and the axis of rotation rotates in being driven by the motor, and then drives whole cylinder and rotate, sieves the material that drops into in the cylinder, and the drum sieve of this kind of structure, the structure is complicated, needs great powerful motor just to realize, leads to the drive energy consumption of drum sieve high, is unfavorable for the using widely of drum sieve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure, energy consumption are low, screening efficiency is high, can effectively avoid blockking up the high-efficient mesh screen that rolls that sieve mesh and material are piled up is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the high-efficiency mesh rolling screen comprises a shell, wherein a feeding port, a coarse material outlet and a distributing plate feed opening are formed in the shell, a plurality of screen cage devices are arranged in the shell, a screen surface is formed on the upper surfaces of the arranged screen cage devices, the screen surface is downwards inclined from the feeding end to the discharging end, the feeding port is positioned above the feeding end, the coarse material outlet is positioned at the front lower side of the discharging end, and the distributing plate feed opening is positioned below the screen surface; the casing install outward with the sieve cage drive arrangement that the transmission of sieve cage device is connected, the transmission is connected with transmission between the sieve cage device, be located in the casing the below of sieve cage device still corresponds and is provided with anti-blocking scraper.
According to a preferable technical scheme, the screen cage device comprises a cylindrical screen cage, a plurality of screen holes are uniformly distributed on the surface of the cylindrical screen cage, fixed discs are respectively plugged at two ends of the cylindrical screen cage, and the outer sides of the two fixed discs are respectively connected with a screen cage rotating shaft; the two fixed disks are respectively and uniformly provided with material guide holes, and a material guide device matched with the material guide holes is arranged in the cylindrical screen cage.
As a preferable technical scheme, the material guiding device comprises two material guiding spirals, the two material guiding spirals are symmetrically arranged and have opposite rotation directions, and the material guiding spirals extend from the middle of the cylindrical screen cage to the end of the cylindrical screen cage.
As a preferred technical scheme, the material guide holes are fan-shaped holes, round holes or special-shaped holes.
As a preferred technical scheme, the screen cage driving device comprises a screen cage rotating motor for driving the screen cage rotating shaft to rotate, and one end of at least one screen cage rotating shaft is connected to a power shaft of the screen cage rotating motor through a coupling in a transmission mode.
As an optimized technical scheme, the transmission device comprises a transmission chain wheel fixedly installed at the other end of the rotating shaft of the screen cage, and a transmission chain is connected between every two transmission chain wheels in sequence in a transmission mode.
As the preferred technical scheme, the outer end of the sieve cage rotating shaft is respectively provided with a rotating shaft bearing positioned outside the shell, the cylindrical sieve cage is rotatably arranged in the shell through the rotating shaft bearing, and a sealing assembly is arranged between the sieve cage rotating shaft and the outer wall of the shell.
As the preferred technical scheme, prevent stifled scraper means for with the surface complex of tube-shape sieve cage prevents stifled scraper blade, prevent stifled scraper blade fixed mounting in the below of tube-shape sieve cage.
As a preferable technical scheme, a tensioning device matched with the transmission device is further installed on the shell.
By adopting the technical scheme, the high-efficiency mesh rolling screen comprises a shell, wherein a feeding port, a coarse material outlet and a distributing plate feed opening are formed in the shell, a plurality of screen cage devices are arranged in the shell, the upper surfaces of the arranged screen cage devices form a screen surface, the screen surface is arranged from the feeding end to the discharging end in a downward inclined mode, the feeding port is positioned above the feeding end, the coarse material outlet is positioned at the front lower side of the discharging end, and the distributing plate feed opening is positioned below the screen surface; a screen cage driving device in transmission connection with the screen cage devices is installed outside the shell, the transmission devices are in transmission connection between the screen cage devices, and anti-blocking scraping devices are correspondingly arranged below the screen cage devices in the shell; when the sieve is in work, mixed materials before sieving enter the shell from the feeding port and fall onto the sieve surface formed by arrangement of the sieve cage devices, because the sieve surface is arranged from the feeding end to the discharging end in a downward inclination manner, and simultaneously because the sieve cage driving device and the transmission device work, the sieve cage devices can be driven to rotate towards one side of the discharging end simultaneously, the mixed materials falling onto the sieve surface can move from the feeding end of the sieve surface in a downward inclination manner to the discharging end of the sieve surface, and can be in contact with the surface of the sieve cage devices in the movement process of the mixed materials, because the particle diameter of coarse materials is larger, the mixed materials can not enter the sieve cage devices and can only move along the surface of the sieve surface in a downward inclination manner and are finally discharged from the coarse material outlet, however, because the particle diameter of fine materials is smaller, when the mixed materials are in contact with the surface of the sieve cage devices, the materials enter the screen cage device, are discharged through the surface of the screen cage device after being overturned and rolled, are discharged from the material distribution plate discharging port positioned below, enter a collecting device or a conveying device, and complete the material screening process;
the utility model has the advantages that:
the screen cage device adopts the cylindrical screen cage without the central shaft, and the screen cage rotating shafts on two sides rotate, so that compared with the prior art that the screen cage device is driven to rotate integrally through the central rotating shaft, the design mode without the central shaft has the advantages of simple structure, smaller required driving power, reduced driving energy consumption and contribution to popularization and use of the rolling screen;
secondly, the material in the cylinder among the prior art gets into by cylinder one side, then discharges by the sieve mesh or the screen cloth on cylinder surface, takes place stifled hole and paste hole phenomenon easily, and the material in the utility model firstly passes through cylinder screen cage surface the sieve mesh get into to the inside of cylinder screen cage, then by cylinder screen cage surface the sieve mesh is discharged, consequently, the material is at first through the sieve mesh gets into, then by the sieve mesh is discharged, and in getting into and discharging process, the material is in cylinder screen cage surface has two opposite directions of motion, consequently when the material because stifled hole, paste the hole can't by when the sieve mesh is discharged, cylinder screen cage rotates the in-process, be about to get into to material that the material can inwards extrude by stifled hole, paste the hole in the sieve mesh for the material of stifled hole, paste the hole drops, and equally, when the material is because the stifled hole, paste the hole, When the paste holes can not enter from the sieve pores, in the rotation process of the tubular sieve cage, materials to be discharged to the outside of the sieve pores can extrude the materials blocked and pasted holes outwards, so that the materials blocked and pasted holes fall off;
due to the arrangement of the material guide spiral and the material guide holes, when more fine materials in the cylindrical screen cage cannot be discharged in time, the fine materials can move from the middle of the cylindrical screen cage to two sides under the action of the material guide spiral and then are discharged from the material guide holes and the material distribution plate discharge openings, so that the phenomenon of blockage caused by accumulation of the materials in the cylindrical screen cage can be effectively avoided, the equipment shutdown maintenance and maintenance time is reduced, the difficulty of manual cleaning work is reduced, time and labor are saved, and the screening efficiency is effectively improved;
the screen cage driving device is used as a power device for driving the screen cage devices to rotate, the transmission device is used for realizing transmission connection among the screen cage devices, and the combination of the screen cage driving device and the transmission device is used for realizing that all the screen cage devices simultaneously rotate towards one side, so that the upper surfaces of the arranged screen cage devices form the screen surface;
fifthly, prevent stifled scraping device with the cooperation of sieve cage device can effectively avoid sieve cage device blocks up, improves screening efficiency.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the invention;
fig. 3 is a side view of an embodiment of the invention;
FIG. 4 is an enlarged schematic view at A in FIG. 1;
FIG. 5 is a front view of a screen cage assembly according to an embodiment of the present invention;
FIG. 6 is an enlarged side view of a screen cage assembly according to an embodiment of the present invention;
in the figure: 1-a shell; 2-a feeding port; 3-coarse material outlet; 4-a feed opening of the distributing plate; 5-a screen cage device; 51-cylindrical sieve cages; 52-mesh; 53-fixed disk; 54-sieve cage rotation axis; 55-material guide holes; 56-guiding the material spirally; 57-a shaft bearing; 58-a seal assembly; 6-a screen cage driving device; 61-sieve cage rotating machine; 62-a coupler; 7-a transmission device; 71-a drive sprocket; 72-a drive chain; 8-anti-blocking scraping device; 9-a material guide plate; 10-observation window.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 4, the high-efficiency mesh rolling screen comprises a shell 1, wherein a feeding port 2, a coarse material outlet 3 and a distributing plate feed opening 4 are arranged on the shell 1, the feeding port 2 is located at the top end of one side of the shell 1, the coarse material outlet 3 is located at the side part of the other side of the shell 1, and the distributing plate feed opening 4 is located at the bottom end of the shell 1 and located between the feeding port 2 and the coarse material outlet 3. A plurality of screen cage devices 5 are arranged in the shell 1, every two screen cage devices 5 are matched with each other, and the gap between every two screen cage devices 5 is smaller than the particle size of coarse materials, so that the coarse materials can be prevented from falling into the distributing plate feed opening 4 from the gap to influence the screening effect, but the gap between every two screen cage devices 5 cannot be too small to influence the normal rotation of each screen cage device 5; in this embodiment, the screen cage devices 5 are provided with six, but are not limited to six, and may be five, seven or more, but at least three or more, and of course, the greater the number of the screen cage devices 5 is, the better the screening effect is, because the greater the number of the screen cage devices 5 is, the longer the time for screening the material on the screen cage devices 5 is, and the selection of the number of the screen cage devices 5 is well known to those skilled in the art, and will not be described herein again. The upper surfaces of the arranged screen cage devices 5 form a screen surface, the screen surface is arranged from a feeding end to a discharging end in a downward inclined mode, the feeding port 2 is located above the feeding end, and a material guide plate 9 used for guiding materials at the feeding port 2 to the feeding end is obliquely arranged at the feeding port 2, so that the materials entering from the feeding port 2 can smoothly fall onto the screen surface; the coarse material outlet 3 is positioned at the front lower side of the discharge end, and the feed opening 4 of the distributing plate is positioned below the screen surface, namely below the plurality of screen cage devices 5; the utility model discloses a screen cage device, including casing 1, screen cage device 5, transmission between the screen cage device 5, be located in casing 1 the below of screen cage device 5 still corresponds and is provided with anti-blocking scraper 8, the screen cage drive arrangement 6 of being connected with screen cage device 5 transmission is installed outward to casing 1, the transmission is connected with transmission 7 between the screen cage device 5, be located in the casing 1 the below of screen cage device 5 still corresponds. The screen cage driving device 6 is used as a power device for driving the screen cage devices 5 to rotate, the transmission device 7 is used for realizing transmission connection between the screen cage devices 5, and the combination of the screen cage driving device 6 and the transmission device 7 is used for realizing that all the screen cage devices 5 simultaneously rotate towards one side, so that the upper surfaces of the arranged screen cage devices 5 form the screen surface; wherein prevent stifled scraping device 8 with sieve cage device 5 cooperation can effectively avoid sieve cage device 5 blocks up, improves screening efficiency. In this embodiment, the inclination of sifter is 8, the speed of misce bene unloading with the inclination of sifter is relevant, and the screening effect of misce bene is best this moment, of course the speed of misce bene unloading also with the drive of sieve cage drive arrangement 6 sieve cage device 5 pivoted angle is relevant. An observation window 10 which can be opened and closed is arranged at the top end of the shell 1 and is positioned above the screen cage device 5, and is used for conveniently observing the internal condition of the equipment and maintaining the equipment.
The utility model discloses a theory of operation does:
during operation, mixed materials before screening enter the shell 1 through the feeding port 2 and fall onto the screen surface formed by arrangement of the screen cage devices 5, because the screen surface is arranged from the feeding end to the discharging end in a downward inclined manner, meanwhile, because the screen cage driving device 6 and the transmission device 7 work, the screen cage devices 5 can be driven to rotate towards one side of the discharging end at the same time, the mixed materials falling onto the screen surface can move from the feeding end of the screen surface to the discharging end of the screen surface in a downward inclined manner, and can contact with the surface of the screen cage devices 5 during the movement of the mixed materials, because the particle size of coarse materials is larger, the mixed materials cannot enter the screen cage devices 5 and only can move along the surface of the screen surface in a downward inclined manner, and are discharged through the coarse material outlet 3 finally, however, because the particle size of fine materials is smaller, with during the contact of screen cage device 5 surface, can get into extremely in the screen cage device 5, pass through after upset, roll screen cage device 5's surface discharge again, by being located the below cloth board feed opening 4 discharges and gets into in the collection device or the conveyor, accomplishes material screening process.
Referring to fig. 5 and 6, the screen cage device 5 includes a cylindrical screen cage 51 without a central shaft, the surface of the cylindrical screen cage 51 is uniformly distributed with a plurality of screen holes 52, the size of the screen holes 52 of the same screen cage device 5 is the same, so that the particle size of the fine material screened by the same screen cage device 5 is substantially the same, but the size of the screen holes 52 in different screen cage devices 5 may be different, so that the particle size of the fine material screened by different screen cage devices 5 is different, of course, if the size of the screen holes 52 in different screen cage devices 5 is set to be different, the distributing plate discharging opening 4 needs to be divided into a plurality of independent discharging openings corresponding to the screen cage devices 5, so that the fine material discharged from each discharging opening is separated and independent, and the materials with different particle sizes can be screened, the screening device is used for meeting different screening requirements; the screen holes 52 are uniformly arranged so that fine materials at various positions on the surface of the cylindrical screen cage 51 can enter the cylindrical screen cage 51. Fixing discs 53 are respectively plugged at two ends of the cylindrical screen cage 51, and the outer sides of the two fixing discs 53 are respectively connected with a screen cage rotating shaft 54; material guiding holes 55 are respectively and uniformly distributed on the two fixed disks 53, and a material guiding device matched with the material guiding holes 55 is installed inside the cylindrical sieve cage 51. The material guiding device comprises two material guiding spirals 56, and the material guiding spirals 56 may be helical blades arranged on the inner wall of the cylindrical screen cage 51 or helical material guiding plates arranged on the inner wall of the cylindrical screen cage 51. The two material guiding spirals 56 are symmetrically arranged and have opposite rotation directions, and the material guiding spirals 56 extend from the middle of the cylindrical screen cage 51 to the end of the cylindrical screen cage 51, that is, to the corresponding material guiding holes 55. Guide hole 55 sets up to fan-shaped hole, round hole or dysmorphism hole, and in this embodiment, the equipartition is equipped with three fan-shaped hole, the design of fan-shaped hole can guarantee that the ejection of compact of guide hole 55 is smooth and easy, does not influence simultaneously again the intensity of fixed disk 53.
The working principle of the screen cage device 5 is as follows: when the mixed material before the screening with during the surface contact of tube-shape sieve cage 51, the thin material can pass through sieve mesh 52 gets into extremely in the tube-shape sieve cage 51, pass through after upset, roll sieve mesh 52 discharges, by being located the below cloth board feed opening 4 discharges and gets into in the collection device or the conveyor, and because the thick material can not pass through sieve mesh 52 gets into extremely in the tube-shape sieve cage 51, consequently the thick material can be stayed on the sifter, downward sloping motion, at last by thick material export 3 discharges.
The screen cage device 5 has the following advantages:
one, because sieve cage device 5 adopts the tube-shape sieve cage 51 of no center pin, through being located both sides sieve cage pivot 54 rotates, and with the prior art in through the whole rotation of center pivot drive compare, the design of no center pin, simple structure not only, required drive power is less moreover, reduces the drive energy consumption, is favorable to using widely of mesh rolling screen.
Secondly, the material in the roller in the prior art enters from one side of the roller, and then is discharged from the screen hole 52 or the screen mesh on the surface of the roller, the hole blocking and hole pasting phenomena are easy to occur, and the material in the utility model firstly passes through the screen hole 52 on the surface of the cylindrical screen cage 51, enters into the cylindrical screen cage 51 and then is discharged from the screen hole 52 on the surface of the cylindrical screen cage 51, so that the material firstly passes through the screen hole 52 and then is discharged from the screen hole 52, and in the process of entering and discharging, the material has two opposite moving directions on the surface of the cylindrical screen cage 51, therefore, when the material cannot be discharged from the screen hole 52 due to the hole blocking and hole pasting, the cylindrical screen cage 51 rotates, and is about to enter into the material in the screen hole 52, and can extrude the material blocked and pasted in the hole inwards, so that the material blocked and pasted in the hole drops, similarly, when the material because stifled hole, paste the hole can't by when sieve mesh 52 enters, tube-shape sieve cage 51 rotates the in-process, be about to discharge extremely the material in the outer material of sieve mesh 52 can outwards extrude by stifled hole, paste the hole for stifled hole, the material of pasting the hole drop, compare with prior art, the utility model discloses can effectively avoid blockking up sieve mesh 52, improve screening efficiency and screening quality.
Thirdly, because guide spiral 56 with the setting of guide hole 55 makes and works as when more thin material in the tube-shape sieve cage 51 can't in time discharge, can be under guide spiral 56's effect, by the middle to both sides motion of tube-shape sieve cage 51, then by guide hole 55 discharges, can effectively avoid the material to be in tube-shape sieve cage 51 is inside to pile up and takes place blocking phenomenon, reduces equipment outage maintenance and repair time, has reduced the manual work difficulty of clearing up, labour saving and time saving, effectual improvement screening efficiency.
Sieve cage drive arrangement 6 is including the drive sieve cage pivot 54 pivoted sieve cage rotating electrical machines 61, at least one of them the one end of sieve cage pivot 54 is passed through the transmission of shaft coupling 62 and is connected to sieve cage rotating electrical machines 61's power shaft, sieve cage rotating electrical machines 61 rotates, through shaft coupling 62 with power transmission extremely in the sieve mesh 52 pivot, the drive sieve mesh 52 pivot initiative is rotated, realizes the rotation of tube-shape sieve cage 51.
The outer end of sieve cage pivot 54 is installed respectively and is located the outer pivot bearing 57 of casing 1, tube-shape sieve cage 51 passes through pivot bearing 57 rotates to be installed in casing 1, sieve cage pivot 54 with be provided with sealed assembly 58 between the outer wall of casing 1, sealed assembly 58 can be for connecting sieve cage pivot 54 with seal receptacle between the casing 1 is used for guaranteeing sealed environment in the casing 1 guarantees equipment life.
Referring to fig. 4, the anti-blocking scraping device 8 is an anti-blocking scraping plate matched with the surface of the cylindrical screen cage 51, and the anti-blocking scraping plate is fixedly installed below the cylindrical screen cage 51. Prevent stifled scraper blade with distance between the surface of tube-shape sieve cage 51 is 3mm, works as tube-shape sieve cage 51 surface when sieve mesh 52 takes place to block up, tube-shape sieve cage 51 rotates the in-process, prevent stifled scraper blade can contact with the material of jam to hang the material, can effectively prevent sieve mesh 52 blocks up, improves screening efficiency.
The housing 1 is further provided with a tensioning device which is matched with the transmission device 7, when the transmission device 7 comprises a transmission chain 72, the tensioning device is a tensioning sprocket which is matched with the transmission chain 72, when the transmission device 7 comprises a transmission belt, the tensioning device is a tensioning wheel which is matched with the transmission belt, and the tensioning device is arranged to ensure the transmission stability of the transmission device 7.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. Mesh screen is rolled to high efficiency, which comprises a housin, be provided with pan feeding mouth, coarse fodder export and cloth board feed opening on the casing, its characterized in that: a plurality of screen cage devices are arranged in the shell, a screen surface is formed on the upper surface of each arranged screen cage device, the screen surface is arranged from a feeding end to a discharging end in a downward inclination mode, a feeding port is located above the feeding end, a coarse material outlet is located on the front lower side of the discharging end, and a feed port of the distributing plate is located below the screen surface; the casing install outward with the sieve cage drive arrangement that the transmission of sieve cage device is connected, the transmission is connected with transmission between the sieve cage device, be located in the casing the below of sieve cage device still corresponds and is provided with anti-blocking scraper.
2. A high efficiency roller mesh screen as recited in claim 1, wherein: the screen cage device comprises a cylindrical screen cage, a plurality of screen holes are uniformly distributed on the surface of the cylindrical screen cage, fixed disks are respectively plugged at two ends of the cylindrical screen cage, and screen cage rotating shafts are respectively connected to the outer sides of the two fixed disks; the two fixed disks are respectively and uniformly provided with material guide holes, and a material guide device matched with the material guide holes is arranged in the cylindrical screen cage.
3. A high efficiency roller mesh screen as claimed in claim 2, wherein: the material guiding device comprises two material guiding spirals, the two material guiding spirals are symmetrically arranged and have opposite rotating directions, and the material guiding spirals extend from the middle of the cylindrical screen cage to the end part of the cylindrical screen cage.
4. A high efficiency roller mesh screen as claimed in claim 2, wherein: the material guide holes are fan-shaped holes, round holes or special-shaped holes.
5. A high efficiency roller mesh screen as claimed in claim 2, wherein: the screen cage driving device comprises a screen cage rotating motor for driving a screen cage rotating shaft to rotate, and at least one of the screen cage rotating motor and the screen cage rotating motor is connected to a power shaft of the screen cage rotating motor through a coupler in a transmission mode.
6. A high efficiency roller mesh screen as claimed in claim 5, wherein: the transmission device comprises transmission chain wheels fixedly installed at the other end of the rotating shaft of the screen cage, and every two transmission chain wheels are sequentially connected with a transmission chain in a transmission mode.
7. A high efficiency roller mesh screen as claimed in claim 2, wherein: the outer end of sieve cage pivot is installed respectively and is located the outer pivot bearing of casing, the tube-shape sieve cage passes through pivot bearing rotates to be installed in the casing, the sieve cage pivot with be provided with sealed assembly between the outer wall of casing.
8. A high efficiency roller mesh screen as claimed in claim 2, wherein: prevent stifled scraper means for with the surface complex of tube-shape sieve cage prevents stifled scraper blade, prevent stifled scraper blade fixed mounting in the below of tube-shape sieve cage.
9. A high efficiency roller screen as claimed in any one of claims 1 to 8, wherein: and the shell is also provided with a tensioning device matched with the transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428183.1U CN210614291U (en) | 2019-08-30 | 2019-08-30 | High-efficiency rolling screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428183.1U CN210614291U (en) | 2019-08-30 | 2019-08-30 | High-efficiency rolling screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210614291U true CN210614291U (en) | 2020-05-26 |
Family
ID=70745458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921428183.1U Active CN210614291U (en) | 2019-08-30 | 2019-08-30 | High-efficiency rolling screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210614291U (en) |
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2019
- 2019-08-30 CN CN201921428183.1U patent/CN210614291U/en active Active
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