阅读说明：本技术 一种具有自清洁功能的粮食加工用圆筒筛 (Cylinder sieve with self-cleaning function for grain processing ) 是由 张翰威 闻建伟 闻赛琦 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种具有自清洁功能的粮食加工用圆筒筛,本发明涉及筛分装置技术领域。该具有自清洁功能的粮食加工用圆筒筛,通过筛筒与外壳体之间设置的清理组件,当转轴通过两端的定位架带动筛筒转动时,能够通过清理组件中的若干个伸缩柱以及来回滑动的顶杆、与筛筒内部的筛孔之间的配合,对筛孔内壁进行清理,同时通过来回滑动的顶杆,能够对筛孔中卡入的粮食等进行推动,避免筛孔内出现堵塞的现象,通过外壳体内部两侧设置的刮板,当筛筒转动的同时,能够对筛筒外壁的灰尘进行刮除,避免灰尘堆积而影响粮食的筛选效果,使得设备能够避免出现筛孔堵塞的同时、对筛筒进行清理,提升了粮食的筛选效果。(The invention discloses a cylindrical screen with a self-cleaning function for grain processing, and relates to the technical field of screening devices. This cylinder sieve for grain processing with self-cleaning function, through the clearance subassembly that sets up between a sieve section of thick bamboo and the shell body, when the locating rack that the pivot passes through both ends drives a sieve section of thick bamboo and rotates, can be through the flexible post of a plurality of in the clearance subassembly and make a round trip gliding ejector pin, and the cooperation between the sieve mesh inside a sieve section of thick bamboo, clear up sieve mesh inner wall, simultaneously through making a round trip gliding ejector pin, can promote grain that blocks into in the sieve mesh etc., avoid appearing the phenomenon of blockking up in the sieve mesh, scraper blade through the inside both sides setting of shell body, when a sieve section of thick bamboo pivoted, can strike off the dust of a sieve section of thick bamboo outer wall, avoid the dust to pile up and influence the screening effect of grain, when making equipment can avoid appearing the sieve mesh jam, clear up a sieve section of thick bamboo, the screening effect of grain has been promoted.)

1. The utility model provides a drum sieve for grain processing with self-cleaning function, is including supporting chassis (1), the both sides difference fixed mounting that supports chassis (1) has feed plate (101) and play flitch (102), the inside fixed mounting that supports chassis (1) has shell body (2) and the inside of shell body (2) is rotated and is installed a sieve section of thick bamboo (3), its characterized in that: the screening machine is characterized in that a rotating shaft (5) is fixedly mounted at two ends inside the screening cylinder (3) through a positioning frame (4), bearings (501) are arranged at two ends of the rotating shaft (5) and rotatably mounted between the supporting chassis (1) through the bearings (501), one end of the rotating shaft (5) is fixedly connected with the output end of a driving motor (6) mounted on the side surface of the supporting chassis (1), the distance between the outer side of the screening cylinder (3) and the inner side of the outer shell (2) is the same, a cleaning assembly (8) is fixedly mounted between the outer side of the screening cylinder (3) and the outer shell (2), blanking plates (201) are mounted on two sides of the bottom of the outer shell (2), and dustproof assemblies (7) are arranged on the inner sides of the blanking plates (201) on two sides;

the cleaning assembly (8) comprises a positioning plate (9), the positioning plate (9) is fixedly arranged on the inner side of the outer shell (2) through the matching of fixing holes (901) formed in two sides and bolts, a plurality of sliding grooves (902) are formed in the positioning plate (9), telescopic columns (11) are arranged in the sliding grooves (902) in a sliding mode, limiting rings (10) are fixedly arranged on the outer sides of the sliding grooves (902), the limiting rings (10) are respectively sleeved on the outer sides of the corresponding telescopic columns (11), spring bodies (12) are arranged on two sides of each telescopic column (11), the other ends of the spring bodies (12) are fixedly arranged at the bottom of the positioning plate (9), the mounting positions of the telescopic columns (11) correspond to the sieve mesh positions of the sieve tube (3) respectively, and transmission assemblies are arranged in the spring bodies, the bottom of the plurality of telescopic columns (11) is provided with an arc-shaped surface (1101).

2. The cylindrical screen with self-cleaning function for grain processing as claimed in claim 1, wherein: the transmission assembly includes two drive wheels (13), two drive wheel (13) all rotate through inside spacing axle (14) and install in the inside of the flexible post (11) that corresponds, two spacing axle (14) all rotate and install inside flexible post (11) that corresponds, and the tip all seted up the thread groove, the inside of flexible post (11) rotates respectively and installs transmission shaft (17) and transmission shaft two (18), linking thread (19) have all been seted up at the both ends of transmission shaft (17) and transmission shaft two (18), and the tip of wearing out all corresponds each other with ejector pin (16).

3. The cylindrical screen with self-cleaning function for grain processing as claimed in claim 2, wherein: the outer side of the ejector rod (16) is provided with a positioning shaft sleeve (15) in a sliding mode, the positioning shaft sleeve (15) is fixedly mounted on the outer side of the corresponding limiting ring (10), two rectangular grooves (1501) are formed in the side face of the positioning shaft sleeve (15), external threads (1601) are formed in the outer side of the ejector rod (16), and the external threads (1601) are meshed with the end portions of the first transmission shaft (17) and the second transmission shaft (18) in an meshed mode.

4. The cylindrical screen with self-cleaning function for grain processing as claimed in claim 1, wherein: the dustproof assembly (7) comprises a dust hood (701), the dust hood (701) is fixedly installed on the inner side of the corresponding blanking plate (201), and a filter screen plate (705) is arranged on the inner side of the dust hood (701).

5. The cylindrical screen with self-cleaning function for grain processing as claimed in claim 4, wherein: dustproof subassembly (7) still include air exhauster and rose box, the equal fixed mounting of air exhauster and rose box is in the side of supporting chassis (1), the air inlet end of air exhauster and the inside of two dust cage (701) all transmit pipe (704) fixed connection through a plurality of sections, through one section transmission pipe (704) fixed connection between the air-out end of air exhauster and the rose box.

6. The cylindrical screen with self-cleaning function for grain processing as claimed in claim 4, wherein: rectangular cavities (702) are formed in the two dust collecting covers (701), rotating shafts (703) are arranged in the rectangular cavities (702), and the two filter screen plates (705) are fixedly arranged on the inner sides of the corresponding dust collecting covers (701) through the arrangement of the rotating shafts (703) and fixing bolts (706) arranged on the side faces.

7. The cylindrical screen with self-cleaning function for grain processing as claimed in claim 1, wherein: two scrapers (202) are symmetrically installed on the inner side of the circumference of the outer shell (2), and the installation positions of the scrapers (202) correspond to the cleaning assembly (8) and the dustproof assembly (7) respectively.

Technical Field

The invention relates to the technical field of screening devices, in particular to a cylindrical screen with a self-cleaning function for grain processing.

Background

The grain screening process usually uses a cylindrical screen, the working part of the cylindrical screen is cylindrical, the whole screen rotates around the axis of the cylinder body, and the axis is arranged into a small inclination angle under the general condition; the material is fed from one end of the cylinder, fine-grade material passes through the sieve pores on the cylindrical working surface, and coarse-grain material is discharged from the other end of the cylinder, so that the grain is screened.

Because the granule variation in size of grain often can block into inside the sieve mesh of drum sieve when the screening, must regularly clear up the operation to it, otherwise when the granule constantly blockked up the sieve mesh, can influence the screening effect of drum sieve, reduced work efficiency.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the cylindrical screen with the self-cleaning function for grain processing, and solves the problems that the screen holes are easy to block and are complex to clean regularly.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a drum sieve for grain processing with self-cleaning function, is including supporting the chassis, the both sides difference fixed mounting that supports the chassis has a feed plate and a play flitch, the inside fixed mounting that supports the chassis has the shell body, and the inside of shell body rotates and installs a sieve section of thick bamboo, its characterized in that: the inner two ends of the screen cylinder are fixedly provided with rotating shafts through positioning frames, the two ends of each rotating shaft are respectively provided with a bearing and are rotatably arranged between the supporting bottom frames through the bearings, one end of each rotating shaft is fixedly connected with the output end of a driving motor arranged on the side surface of the supporting bottom frame, the distance between the outer side of the screen cylinder and the inner side of the outer shell is the same, a cleaning assembly is fixedly arranged between the outer side of the screen cylinder and the outer shell, both sides of the bottom of the outer shell are respectively provided with a blanking plate, the inner sides of the blanking plates on both sides are respectively provided with a dustproof assembly, the cleaning assembly comprises a positioning plate, the positioning plate is fixedly arranged on the inner side of the outer shell through the matching of fixing holes arranged on both sides and bolts, the inner part of the positioning plate is provided with a plurality of sliding grooves, the inner parts of the plurality of the sliding grooves are respectively provided with telescopic columns in a sliding manner, and the outer sides of the sliding grooves are respectively and fixedly provided with limiting rings, the limiting ring is respectively sleeved on the outer side of the corresponding telescopic column, the limiting ring is provided with a plurality of spring bodies and a plurality of spring bodies are arranged on the two sides of the telescopic column, the other end of each spring body is fixedly arranged at the bottom of the positioning plate, the mounting positions of the telescopic columns respectively correspond to the sieve mesh positions of the sieve cylinders, and the transmission assemblies are arranged inside the telescopic columns respectively.

Preferably, the transmission assembly includes two drive wheels, two the drive wheel is all rotated through the spacing axle of inside and is installed in the inside of the flexible post that corresponds, two the spacing axle all rotates and installs inside, and the tip of the flexible post that corresponds and all seted up the thread groove, the inside of flexible post is rotated respectively and is installed transmission shaft one and transmission shaft two, the both ends of transmission shaft one and transmission shaft two are all seted up linking thread, and the tip of wearing out all corresponds each other with the ejector pin.

Preferably, the outer side of the ejector rod is slidably provided with a positioning shaft sleeve, the positioning shaft sleeve is fixedly arranged on the outer side of the corresponding limiting ring, two rectangular grooves are formed in the side face of the positioning shaft sleeve, external threads are formed in the outer side of the ejector rod, and the external threads are meshed with the end portions of the first transmission shaft and the second transmission shaft through the forming of the external threads.

Preferably, the dustproof assembly comprises a dust hood, the dust hood is fixedly installed on the inner side of the corresponding blanking plate, and a filter screen plate is arranged on the inner side of the dust hood.

Preferably, dustproof component still includes air exhauster and rose box, the equal fixed mounting of air exhauster and rose box is in the side of supporting the chassis, the air inlet end of air exhauster and the inside of two dust cages all transmit pipe fixed connection through a plurality of sections, through one section transmission pipe fixed connection between the air-out end of air exhauster and the rose box.

Preferably, rectangular cavities are formed in the two dust collecting covers, rotating shafts are arranged in the rectangular cavities, and the two filter screen plates are fixedly mounted on the inner sides of the corresponding dust collecting covers through the rotating shafts and fixing bolts mounted on the side faces.

Preferably, two scrapers are symmetrically installed on the inner side of the circumference of the outer shell, and the installation positions of the two scrapers correspond to the cleaning assembly and the dustproof assembly respectively.

Advantageous effects

The invention provides a cylindrical screen with a self-cleaning function for grain processing. Compared with the prior art, the method has the following beneficial effects:

(1) this drum sieve is used in grain processing with self-cleaning function, through the clearance subassembly that sets up between a sieve section of thick bamboo and the shell body, when a sieve section of thick bamboo rotates, can be through the flexible post of a plurality of in the clearance subassembly and make a round trip gliding ejector pin, clear up the sieve mesh of a sieve section of thick bamboo, simultaneously can effectually avoid the sieve mesh to appear blockking up through the gliding ejector pin that makes a round trip, the scraper blade that sets up through the inside both sides of shell body, when a sieve section of thick bamboo pivoted, can strike off the dust of a sieve section of thick bamboo outer wall, avoid the dust to pile up and influence the screening effect of grain, make equipment clear up a sieve section of thick bamboo when can avoiding appearing the sieve mesh jam, the screening effect of grain has been promoted.

(2) This drum sieve for grain processing with self-cleaning function, setting through dustproof subassembly, opening of air exhauster can be through the transmission pipe and the dust cage that the flitch inboard set up down, impurity absorption such as the dust of screening out, then discharge after filtering through the rose box, avoid appearing the phenomenon of the too big pollution operation environment of dust when carrying out grain screening operation, just tear filter plate open through the setting of the dust cage outside, when can be convenient for clear up, avoid great debris to get into the inside dust removal operation that influences of dust cage.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1 according to the present invention;

FIG. 3 is an exploded view of the dust cap assembly of the present invention;

FIG. 4 is a schematic cross-sectional view of the positioning plate of the present invention;

FIG. 5 is a schematic cross-sectional view of a telescopic column according to the present invention;

FIG. 6 is a schematic view of the structure of the transmission assembly of the present invention.

In the figure: 1. a support chassis; 101. a feeding plate; 102. a discharge plate; 2. an outer housing; 201. a blanking plate; 202. a squeegee; 3. a screen cylinder; 4. a positioning frame; 5. a rotating shaft; 501. a bearing; 6. a drive motor; 7. a dust-proof assembly; 701. a dust collection cover; 702. a rectangular cavity; 703. a rotating shaft; 704. a conveying pipe; 705. a filter screen plate; 706. a fixing bolt; 8. cleaning the assembly; 9. positioning a plate; 901. a fixing hole; 902. a chute; 10. a limiting ring; 11. a telescopic column; 1101. an arc-shaped surface; 12. a spring body; 13. a driving wheel; 14. a limiting shaft; 15. positioning the shaft sleeve; 1501. a rectangular groove; 16. a top rod; 1601. an external thread; 17. a first transmission shaft; 18. a first transmission shaft; 19. engaging the threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a drum sieve for grain processing with self-cleaning function, is including supporting chassis 1, and the both sides that support chassis 1 fixed mounting respectively have feed plate 101 and play flitch 102, and the inside fixed mounting that supports chassis 1 has shell body 2, and the inside of shell body 2 rotates and installs a sieve section of thick bamboo 3, its characterized in that: the two ends of the inside of the screen cylinder 3 are fixedly provided with rotating shafts 5 through locating frames 4, the two ends of each rotating shaft 5 are respectively provided with a bearing 501 and are rotatably arranged between the supporting underframe 1 through the bearings 501, one end of each rotating shaft 5 is fixedly connected with the output end of a driving motor 6 arranged on the side surface of the supporting underframe 1, the distances between the outside of each screen cylinder 3 and the inside of the outer shell 2 are the same, a cleaning component 8 is fixedly arranged between the outside of each screen cylinder 3 and the outer shell 2, both sides of the bottom of the outer shell 2 are respectively provided with a blanking plate 201, the insides of the blanking plates 201 on both sides are respectively provided with a dustproof component 7, each cleaning component 8 comprises a locating plate 9, each locating plate 9 is fixedly arranged on the inside of the outer shell 2 through the matching of fixing holes 901 arranged on both sides and bolts, a plurality of sliding grooves 902 are arranged in the locating plate 9, telescopic columns 11 are slidably arranged in the insides of the sliding grooves 902, and limiting rings 10 are fixedly arranged on the outsides of the sliding grooves 902, a plurality of limit rings 10 are respectively sleeved outside the corresponding telescopic columns 11, two sides of each telescopic column 11 are respectively provided with a spring body 12, the other ends of the spring bodies 12 are respectively and fixedly installed at the bottom of the positioning plate 9, the installation positions of the telescopic columns 11 respectively correspond to the sieve mesh positions of the sieve drum 3, and the insides of the telescopic columns are respectively provided with a transmission component, the bottoms of the telescopic columns 11 are respectively provided with an arc-shaped surface 1101, the transmission component comprises two transmission wheels 13, the two transmission wheels 13 are respectively rotatably installed inside the corresponding telescopic columns 11 through inner limit shafts 14, the two limit shafts 14 are respectively rotatably installed inside the corresponding telescopic columns 11, and the end parts of the two limit shafts 14 are respectively provided with a thread groove, the inside of each telescopic column 11 is respectively rotatably installed with a transmission shaft I17 and a transmission shaft II 18, two ends of the transmission shaft I17 and the transmission shaft II 18 are respectively provided with a linking thread 19, and the penetrating end parts of the two limit shafts correspond to the ejector rod 16, the outer side of the ejector rod 16 is slidably provided with a positioning shaft sleeve 15, the positioning shaft sleeve 15 is fixedly arranged on the outer side of the corresponding limiting ring 10, two rectangular grooves 1501 are formed in the side surface of the positioning shaft sleeve 15, external threads 1601 are formed in the outer side of the ejector rod 16 and are meshed with the end portions of the first transmission shaft 17 and the second transmission shaft 18 through the opening of the external threads 1601, the dustproof component 7 comprises a dust hood 701, the dust hood 701 is fixedly arranged on the inner side of the corresponding lower plate 201, a filter screen plate is arranged on the inner side of the dust hood 701, the dustproof component 7 further comprises an exhaust fan 705 and a filter box, the exhaust fan 705 and the filter box are fixedly arranged on the side surface of the supporting underframe 1, the air inlet end of the exhaust fan is fixedly connected with the inner portions of the two dust hoods 701 through a plurality of transmission pipes 704, the air outlet end of the exhaust fan is fixedly connected with the filter box through a transmission pipe 704, and rectangular cavities 702, a rectangular cavity is formed in the inner portions of the two dust hoods 701, And the inside of the rectangular cavity 702 is provided with a rotating shaft 703, the two filter screen plates 705 are respectively and fixedly arranged at the inner sides of the corresponding dust-collecting hoods 701 through the arrangement of the rotating shaft 703 and a fixing bolt 706 arranged at the side surface, the inner side of the circumference of the outer shell 2 is symmetrically provided with two scrapers 202, and the installation positions of the two scrapers 202 respectively correspond to the cleaning assembly 8 and the dustproof assembly 7.

When the grain screening machine is used, firstly, the rotating shaft 5 can be driven to rotate through the bearing 501 at the end part by the opening of the driving motor 6, the rotating shaft 5 can drive the screen drum 3 to rotate through the two positioning frames 4, grains poured in the feeding plate 101 can be screened through the screen drum 3 by the rotation of the screen drum 3, the screened grains fall from one side of the discharging plate 102, the screened grains or sundries fall from the discharging plate 201 at the bottom of the outer shell 2, when the rotating shaft 5 drives the screen drum 3 to rotate, through the arrangement of the cleaning component 8, the rotation of the screen drum 3 can drive the plurality of telescopic columns 11 to move up and down through the corresponding limiting rings 10 and the spring bodies 12 by the movement of the screen holes, and when the grains move up and down, the arc-shaped surfaces 1101 arranged at the end part can be always attached to the inner walls of the screen holes, thereby two driving wheels 13 and the corresponding limiting shafts 14 can be driven to rotate simultaneously, the transmission component arranged inside the telescopic column 11 can be driven to operate by the rotation of the limiting shaft 14, when the two limiting shafts 14 drive the corresponding transmission shaft I17 and the transmission shaft II 18 to rotate, the ejector rod 16 can be driven to move by the rotation of the end parts of the limiting shafts and the arrangement of the external threads 1601 outside the ejector rod 16, so that when the transmission shaft I17 and the transmission shaft II 18 rotate clockwise and anticlockwise, the corresponding ejector rod 16 can slide up and down inside the positioning shaft sleeve 15, the inside of a sieve mesh is cleaned, the phenomenon of blockage inside the sieve mesh is avoided, meanwhile, the scraper blades 202 arranged on two sides inside the outer shell 2 can scrape off dust on the outer wall of the sieve tube 3 when the sieve tube 3 rotates, the screening effect of grains is avoided being influenced by the accumulation of the dust, the equipment can clean the sieve tube 3 when the blockage of the sieve mesh is avoided, and the screening effect of the grains is improved, the air exhauster outside the supporting underframe 1 can be opened simultaneously during operation, the air exhauster can be opened through the transmission pipe 704 and the dust hood 701 that the flitch 201 inboard set up down, impurity absorption such as dust that sieves out, then discharge after filtering through the rose box, the phenomenon of the great pollution operation environment of dust appears when carrying out the grain operation is avoided, just tear filter plate 705 through the setting of the dust hood 701 outside, when can be convenient for clear up, avoid great debris to get into the inside dust removal operation that influences of dust hood 701.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.