CN210995244U

CN210995244U - Rotary grading screen

Info

Publication number: CN210995244U
Application number: CN202020548400.7U
Authority: CN
Inventors: 颜为乾; 颜怡超; 黄云
Original assignee: Hainan Song Song Feed Co ltd
Current assignee: Hainan Song Song Feed Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-07-14
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a rotary grading sieve relates to the feed processing field, including the mount, special-shaped recess has been seted up to the inner chamber bottom of mount, and the inner chamber of mount is provided with the grading sieve case, and the grading sieve case sets up in the top of special-shaped recess, and the bottom of grading sieve case is provided with four universal wheels that are the cross and distribute, and the universal wheel is located special-shaped recess, the equal fixedly connected with extension rod in bottom both sides of grading sieve case, the leading wheel has been cup jointed in the bottom outside of extension rod, the leading wheel is connected with the lateral wall laminating of special-shaped recess. The utility model discloses a drive wheel cooperation elastic conveyor belt on the driving motor drives the classifying screen case and rotates, and the extension rod cooperation leading wheel of classifying screen bottom of the case portion and the cell wall of dysmorphism recess for the classifying screen case shakes when rotating, has reached the effect of vibration, has improved the screening effect of classifying screen case, and a plurality of screening subassemblies in the classifying screen incasement can fall into the feed particle of different particle diameters with the feed particle sieve.

Description

Rotary grading screen

Technical Field

The utility model relates to a feed processing field, in particular to rotary grading sieve.

Background

The classifying screen is a device for classifying and screening a mixture, the existing classifying screen is mainly used in industries such as concrete industry or mineral industry, the classifying screen used in the industries has a large structure and is relatively coarse, in the feed industry, feed is generally prepared by mixing and crushing various raw materials, in order to improve the overall quality of the feed, the classifying screen is often needed to screen the produced feed so as to obtain the feed with consistent quality, but the industrial classifying screen in the market at present has high cost, complex equipment operation and general screening effect, and the screening quality and efficiency of the feed are influenced. Therefore, it is necessary to develop a rotary classifying screen to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a classifying screen circles round to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary grading sieve comprises a fixed frame, wherein a special-shaped groove is formed in the bottom of an inner cavity of the fixed frame, a grading sieve box is arranged in the inner cavity of the fixed frame and is arranged above the special-shaped groove, four universal wheels distributed in a cross shape are arranged at the bottom end of the grading sieve box and are positioned in the special-shaped groove, extension rods are fixedly connected to two sides of the bottom end of the grading sieve box, guide wheels are sleeved on the outer sides of the bottom ends of the extension rods and are in fit connection with the side walls of the special-shaped groove, a driving motor is fixedly connected to the other side of the inner cavity of the fixed frame, the output end of the driving motor is movably connected with a fixed block through a bearing, the fixed block is fixedly mounted on the inner wall of the other side of the inner cavity of the fixed frame, a driving wheel is fixedly connected to the output end of, the top edge of classifying screen case is provided with a plurality of spacing subassemblies that are the annular array and distribute, spacing subassembly sets up in the inner chamber top of mount, the inside of classifying screen case is provided with a plurality of screening subassemblies.

Preferably, the top middle part fixedly connected with feeder hopper of classifying screen case, the bottom middle part fixedly connected with discharging pipe of classifying screen case, the lower extreme of discharging pipe runs through the logical groove of seting up in the tank bottom middle part of dysmorphism recess and extends to the outside of mount.

Preferably, the limiting assembly comprises a thread groove formed in the top end of the fixing frame, a threaded rod penetrates through the thread groove, a pressing plate is fixedly connected to the bottom end of the threaded rod, and one end of the upper surface of the pressing plate is connected with the inner top wall of the fixing frame through the telescopic rod.

Preferably, the lower surface both ends of clamp plate have all seted up the ball groove, be provided with the ball in the ball groove, the ball is connected with the laminating of the top of classifying screen case.

Preferably, the screening component comprises a screening plate arranged in the grading screen box, one end of the screening plate is movably connected with the inner wall of the grading screen box through a pin shaft, a lug is arranged below the other end of the screening plate, the top end of the lug is connected with the screening plate through a vibrating spring, and the top of the other end of the screening plate is connected with the inner wall of the grading screen box through an elastic sealing sleeve.

Preferably, a collecting box is arranged above one end of the screening plate, the collecting box is fixedly mounted on the outer side wall of the classifying screen box, a filter screen plate is arranged on one side of the collecting box, the filter screen plate is embedded on the inner side wall of the classifying screen box, a baffle is arranged on one side, away from the screening plate, of the filter screen plate, and the baffle is arranged in the collecting box.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a drive wheel on the driving motor cooperates the elastic conveyor belt to drive the classifying screen case and rotates, and the extension rod of classifying screen bottom of the case portion cooperates the cell wall of leading wheel and dysmorphism recess for the classifying screen case shakes when rotating, has reached the effect of vibration, has improved the screening effect of classifying screen case, and a plurality of screening subassemblies in the classifying screen case can be with the fodder granule sieve of different particle diameters, have improved the work efficiency of this device;

2. the utility model discloses a top at the classifying screen case is provided with spacing subassembly, and the clamp plate on the spacing subassembly has played the effect of oppression to the classifying screen case for the classifying screen case can not separate with special-shaped groove easily, has improved the stability of this device work, and ball on the clamp plate does not influence the classifying screen case and rotates, and the last screening board of screening subassembly has reached certain vibration effect with the vibrating spring cooperation, has improved the screening efficiency of classifying screen case.

Drawings

Fig. 1 is a schematic sectional view of the overall structure of the present invention.

Fig. 2 is a schematic view of the special-shaped groove structure of the present invention.

Fig. 3 is a schematic structural section view of the limiting assembly of the present invention.

Figure 4 is a schematic structural section view of the screen assembly of the present invention.

In the figure: 1. a fixed mount; 2. a special-shaped groove; 3. a classifying screen box; 4. a universal wheel; 5. an extension rod; 6. a guide wheel; 7. a drive motor; 8. a fixed block; 9. a driving wheel; 10. an elastic conveyor belt; 11. a limiting component; 12. a screen assembly; 13. a feed hopper; 14. a through groove; 15. a discharge pipe; 16. a thread groove; 17. a threaded rod; 18. pressing a plate; 19. a telescopic rod; 20. a ball groove; 21. a ball bearing; 22. a screening plate; 23. a bump; 24. a vibration spring; 25. an elastic sealing sleeve; 26. a filter screen plate; 27. and a collection box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a convolute grading sieve as shown in figures 1-4, as shown in figures 1 and 2, the convolute grading sieve comprises a fixing frame 1, a special-shaped groove 2 is arranged at the bottom of the inner cavity of the fixing frame 1, a grading sieve box 3 is arranged in the inner cavity of the fixing frame 1, the grading sieve box 3 is arranged above the special-shaped groove 2, four universal wheels 4 distributed in a cross shape are arranged at the bottom end of the grading sieve box 3, the universal wheels 4 are positioned in the special-shaped groove 2, the universal wheels 4 play a supporting role for the grading sieve box 3 and do not influence the rotation of the grading sieve box 3, extension rods 5 are fixedly connected with both sides of the bottom end of the grading sieve box 3, guide wheels 6 are sleeved outside the bottom ends of the extension rods 5, the guide wheels 6 are attached to the side walls of the special-shaped groove 2, the guide wheels 6 on the extension rods 5 are matched with the side walls of the special-shaped groove 2 to enable the, the other side of the inner cavity of the fixed frame 1 is fixedly connected with a driving motor 7, the output end of the driving motor 7 is movably connected with a fixed block 8 through a bearing, the fixed block 8 is fixedly arranged on the inner wall of the other side of the inner cavity of the fixed frame 1, the output end of the driving motor 7 is fixedly connected with a driving wheel 9, the driving wheel 9 is connected with the outer side of the lower end of the classifying screen box 3 through an elastic conveying belt 10, the driving motor 7 can drive the classifying screen box 3 to rotate through the driving wheel 9 and the elastic conveying belt 10, the upper edge of the classifying screen box 3 is provided with a plurality of limiting components 11 distributed in an annular array, the limiting components 11 are arranged at the top of the inner cavity of the fixed frame 1, the classifying screen box 3 is internally provided with a plurality of screening components 12, the screening components 12 can screen feeds with different particle sizes, the middle part of, the lower end of the discharge pipe 15 penetrates through the through groove 14 formed in the middle of the bottom of the special-shaped groove 2 and extends to the outer side of the fixing frame 1, and the discharge pipe 15 can discharge feed with the minimum particle size.

As shown in fig. 3, the limiting component 11 includes a thread groove 16 formed at the top end of the fixing frame 1, a threaded rod 17 is connected in the thread groove 16 in a penetrating manner, a pressing plate 18 is movably connected at the bottom end of the threaded rod 17 through a bearing, the threaded rod 17 is matched with the thread groove 16 to adjust the height of the pressing plate 18, so that the pressing plate 18 can tightly press the grading sieve box 3, one end of the upper surface of the pressing plate 18 is connected with the inner top wall of the fixing frame 1 through a telescopic rod 19, the telescopic rod 19 is arranged to guide and limit the pressing plate 18, so that the pressing plate 18 keeps vertically moving up and down, the pressing plate 18 presses the grading sieve box 3 to prevent the grading sieve box 3 from separating from the special-shaped groove 2, ball grooves 20 are formed at both ends of the lower surface of the pressing plate 18, balls 21 are arranged in the ball grooves 20, the balls 21 are attached to the top end of the grading sieve box 3, and the, so that the classifying screen box 3 is convenient to rotate.

As shown in fig. 4, the sieving assembly 12 includes a sieving plate 22 disposed in the classifying screen box 3, one end of the sieving plate 22 is movably connected to the inner wall of the classifying screen box 3 through a pin shaft, a bump 23 is disposed below the other end of the sieving plate 22, the top end of the bump 23 is connected to the sieving plate 22 through a vibrating spring 24, the vibrating spring 24 cooperates with the sieving plate 22 to achieve a certain vibrating effect, so as to facilitate the sieving of the fodder, the top of the other end of the sieving plate 22 is connected to the inner wall of the classifying screen box 3 through an elastic sealing sleeve 25, the elastic sealing sleeve 25 plays a role of sealing, so as to prevent the fodder from falling from the blank between the sieving plate 22 and the inner wall of the classifying screen box 3, a collecting box 27 is disposed above one end of the sieving plate 22, the collecting box 27 is fixedly mounted on the outer side wall of the classifying screen box 3, the collecting box 27 is capable of collecting, the filter screen plate is inlaid on the inner side wall of the classifying screen box 3, one side of the filter screen plate, which is far away from the classifying plate 22, is provided with a baffle 26, the baffle 26 is arranged in the collecting box 27, the baffle 26 can block feed particles, and the baffle 26 is opened after the feed particles with smaller particle sizes are all shaken, so that the feed particles with larger particle sizes enter the collecting box 27 along the filter screen plate.

The utility model discloses the theory of operation:

when the device works, firstly, feed is poured into the grading sieve box 3 through the feed hopper 13, then the driving motor 7 is started, the driving wheel 9 is driven by the driving motor 7 to rotate, the grading sieve box 3 is driven by the driving wheel 9 through the elastic conveyor belt 10 to rotate, when the grading sieve box 3 rotates, the extension rod 5 at the bottom of the grading sieve box 3 drives the guide wheel 6 to roll on the groove wall of the special-shaped groove 2, as the groove wall of the special-shaped groove 2 is arranged to be special-shaped, the grading sieve box 3 can shake when rotating, the vibrating sieving effect is achieved, meanwhile, the grading sieve box 3 can drive the sieving plate 22 to move up and down when rotating, the sieving plate 22 achieves the vibrating effect through the vibrating spring 24, so that the feed in the grading sieve box 3 can be fully vibrated, feed particles with small particle size drop from the gap of the sieving plate 22, and feed particles with large particle size enter the collecting box 27 along, the feed particles with the minimum particle size are discharged along the discharge pipe 15, so that a good screening effect is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a rotary grading screen, includes mount (1), its characterized in that: the special-shaped groove (2) is formed in the bottom of the inner cavity of the fixing frame (1), the inner cavity of the fixing frame (1) is provided with a grading sieve box (3), the grading sieve box (3) is arranged above the special-shaped groove (2), the bottom of the grading sieve box (3) is provided with four universal wheels (4) distributed in a cross shape, the universal wheels (4) are positioned in the special-shaped groove (2), extension rods (5) are fixedly connected to two sides of the bottom of the grading sieve box (3), guide wheels (6) are sleeved on the outer sides of the bottoms of the extension rods (5), the guide wheels (6) are connected with the side walls of the special-shaped groove (2) in a laminating manner, a driving motor (7) is fixedly connected to the other side of the inner cavity of the fixing frame (1), a fixing block (8) is movably connected to the output end of the driving motor (7) through a bearing, and the fixing block (8) is, the output fixedly connected with drive wheel (9) of driving motor (7), drive wheel (9) are connected with the lower extreme outside of classifying screen case (3) through elastic conveyor belt (10), the top edge of classifying screen case (3) is provided with a plurality of spacing subassemblies (11) that are the distribution of annular array, spacing subassembly (11) set up in the inner chamber top of mount (1), the inside of classifying screen case (3) is provided with a plurality of screening subassemblies (12).

2. The convolute sizing screen of claim 1, wherein: the top middle part fixedly connected with feeder hopper (13) of hierarchical sieve case (3), the bottom middle part fixedly connected with discharging pipe (15) of hierarchical sieve case (3), logical groove (14) and the outside that extends to mount (1) that the tank bottom middle part of dysmorphism recess (2) was seted up are run through to the lower extreme of discharging pipe (15).

3. The convolute sizing screen of claim 1, wherein: spacing subassembly (11) are including seting up thread groove (16) on mount (1) top, run through in thread groove (16) and be connected with threaded rod (17), the bottom fixedly connected with clamp plate (18) of threaded rod (17), the upper surface one end of clamp plate (18) is passed through telescopic link (19) and is connected with the interior roof of mount (1).

4. A convolute sizing screen according to claim 3, wherein: ball grooves (20) are formed in two ends of the lower surface of the pressing plate (18), balls (21) are arranged in the ball grooves (20), and the balls (21) are attached to the top end of the classifying screen box (3).

5. The convolute sizing screen of claim 1, wherein: screening subassembly (12) are including setting up screening board (22) in classifying screen case (3), the inner wall swing joint of round pin axle and classifying screen case (3) is passed through to the one end of screening board (22), the other end below of screening board (22) is provided with lug (23), the top of lug (23) is passed through vibrating spring (24) and is connected with screening board (22), the other end top of screening board (22) is passed through elastic sealing cover (25) and is connected with the inner wall of classifying screen case (3).

6. The convolute sizing screen of claim 5, wherein: the one end top of screening board (22) is provided with collecting box (27), collecting box (27) fixed mounting is on the lateral wall of classifying screen case (3), and one side of collecting box (27) is provided with the filter screen board, the filter screen board is inlayed on the inside wall of classifying screen case (3), one side that the screen board (22) was kept away from to the filter screen board is provided with baffle (26), baffle (26) set up in collecting box (27).