CN115155760B

CN115155760B - Screening device for laying hen feed processing

Info

Publication number: CN115155760B
Application number: CN202210704017.XA
Authority: CN
Inventors: 杨涛; 姜俊; 范伟明
Original assignee: Houde Food Co Ltd
Current assignee: Houde Food Co Ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2023-04-28
Anticipated expiration: 2042-06-23
Also published as: CN115155760A

Abstract

The invention discloses a screening device for laying hen feed processing, which comprises a support frame, wherein a feed box is arranged above the support frame, L-shaped support rods are arranged on two sides of the lower end of the feed box, the lower ends of the L-shaped support rods are fixedly arranged on the support frame, a feeding channel is arranged on one side of the upper end of the feed box, a continuous screening mechanism is arranged above the support frame, a large particle collecting mechanism is arranged above the support frame, and a grinding mechanism is arranged above the support frame. The invention has the advantages that the feed raw materials can be continuously fed and screened, the screening spaces can be separated through the connecting plates, the feed raw materials in the screening spaces can be prevented from being mixed, the screening efficiency is ensured, the screening is cleaner, after the screening is finished, the large-particle feed raw materials can be taken out from the screening net and ground, and the ground feed raw materials can enter the screening process again, so that the working efficiency is improved, and the labor intensity of workers is reduced.

Description

Screening device for laying hen feed processing

Technical Field

The invention relates to the technical field of laying hen feed processing equipment, in particular to a screening device for laying hen feed processing.

Background

The laying hen is a chicken which is raised to produce eggs specially so as to supply eggs, and the main problems of raising the laying hen by people are to improve the quality of eggs and keep or improve the egg yield, but not improve the chicken quality, the eggs are main income sources for raising the laying hen, a large amount of feed is required in the process of raising the laying hen, the feed is processed by various raw materials, and the raw materials of the feed are required to be screened in order to ensure the quality of the feed.

In the prior art, for example, the patent number is CN202021404458.0, the patent name is a multilayer structure vibrating screen for processing chicken feed, which mainly arranges a plurality of screen layers in an inclined continuity, the laying hen feed particles to be screened move from the screen layer at the highest position to the screen layer at the lowest position, in the moving process, laying hen feed particles with different particle diameters fall into corresponding discharge hoppers from the corresponding screen layers, the laying hen feed particles to be screened are not easy to accumulate on the screen through the screen with a continuous inclined surface step structure, but when the multilayer structure vibrating screen is used, problems exist, the size particles of the feed are different, when the feed moves downwards, the feed may not be screened completely, the feed moves to the next screen, and then the feed is not thoroughly screened, and the vibrating screen is circular, after the feed is put into the vibrating screen, the feed is continuously screened, and the feed is thoroughly screened, but after the feed particles are larger and accumulate on the vibrating screen, when the laying hen feed particles are cleaned for a period of time, the vibrating screen is required to be closed, and the working efficiency is affected.

Disclosure of Invention

The invention aims to solve the problems, and designs a screening device for processing laying hen feed.

The technical proposal for realizing the aim is that the screening device for processing the feed of the laying hens comprises a supporting frame, a feed box is arranged above the supporting frame, L-shaped supporting rods are arranged on two sides of the lower end of the feed box, the lower ends of the L-shaped supporting rods are fixedly arranged on the supporting frame, a feeding channel is arranged on one side of the upper end of the feed box, a continuous screening mechanism is arranged above the supporting frame, a large particle collecting mechanism is arranged above the supporting frame, a grinding mechanism is arranged above the supporting frame,

the continuous screening mechanism comprises a screw rod discharging machine fixedly arranged on a feed box, a rotatable discharging channel is arranged at the lower end of the screw rod discharging machine, a first circular channel is arranged below the feed box, a second circular channel is sleeved in the first circular channel, the first circular channel and the second circular channel are concentrically corresponding, the first circular channel and the second circular channel are connected through a plurality of connecting plates, the connecting plates divide the areas in the first circular channel and the second circular channel into a plurality of screening spaces, the outlet end of the discharging channel can rotate to the upper parts of different screening spaces, an inclined screening net is arranged at the lower end of the screening space, one side of the inclined screening net close to the second circular channel is lower, a plurality of support columns are arranged below the first circular channel, guide holes are formed at the upper ends of the support columns, guide rods are arranged in the guide holes, the upper ends of the guide rods are fixedly connected with the lower surface of the first circular channel, the first circular channel and the support columns are connected through a plurality of telescopic springs, a vibrator which can vibrate the second circular channel up and down is arranged above the support frames, a conical collecting pipe is arranged below the screening space, a collecting pipe is arranged on the upper surface of the support frame, a collecting pipe is arranged at the outlet end of the conical collecting pipe extends into the collecting pipe,

the large particle collecting mechanism comprises a plurality of discharge holes positioned at the lower end of a second circular channel, the discharge holes are positioned at one side of a screening space, a lifting baffle door capable of opening and closing the discharge holes is arranged at the discharge holes, a third circular channel is arranged below the inner side of the second circular channel, a first conical channel is sleeved outside the third circular channel and concentrically corresponds to the third circular channel, the first conical channel is connected with the third circular channel through a plurality of fixing rods, the first conical channel is connected with the upper end of a supporting frame through a plurality of fixing columns, a collecting box arranged at the upper end of the supporting frame is arranged below the first conical channel,

the grinding mechanism comprises a rotatable grinding disc which is positioned below the third circular channel, a circular grinding disc is arranged on the grinding disc, the upper end of the circular grinding disc extends to a position between the first conical channel and the third circular channel, and small particles can fall into the collecting box after the large particles are ground by the grinding disc.

Further, the screw rod discharging machine includes fixed mounting at the feed box upper end and the decurrent rotating electrical machines of rotating end, installs the second taper passageway in the feed box, and the feed box lower extreme is opened there is the bin outlet, is equipped with ejection of compact screw rod in the feed box, and the feed box upper end is opened there is first round hole, installs first antifriction bearing in the first round hole, and ejection of compact screw rod upper end passes first antifriction bearing and stretches to the feed box top, and the rotating electrical machines rotating end passes through the shaft coupling to be connected with ejection of compact screw rod upper end, and the row material pipe is installed to the bin outlet lower extreme, and row material pipe suit is in ejection of compact screw rod outside.

Further, the discharging channel comprises a second rolling bearing fixedly arranged outside the lower end of the discharging pipe, a vertical pipe is arranged outside the second rolling bearing, an inclined pipe is arranged on one side of the lower end of the vertical pipe, a second round hole is formed in the lower end of the vertical pipe, a third rolling bearing is arranged in the second round hole, the lower end of a discharging screw rod penetrates through the third rolling bearing to extend to the lower side of the vertical pipe, a supporting table is arranged on one side in the third round channel, a speed reducer is arranged at the upper end of the supporting table, a first gear is arranged at the power input end of the speed reducer, a second gear is arranged at the lower end of the discharging screw rod, the first gear and the second gear are connected through a transmission chain, a first bevel gear is arranged at the power output end of the speed reducer, a second bevel gear is arranged at the lower end of the vertical pipe, the second bevel gear is a circular ring bevel gear, and the discharging screw rod can penetrate through the middle of the second bevel gear.

Further, the vibrator is including being located the vibrating plate of the circular passageway of second, vibrating plate both ends and the inboard surface connection of the circular passageway of second open on the vibrating plate has the third round hole, the discharging screw lower extreme passes the third round hole and stretches to the vibrating plate below, the third bevel gear is installed to discharging screw lower extreme, the axis of rotation is installed to the brace table upper end, fourth antifriction bearing is installed at the axis of rotation both ends, fourth antifriction bearing lower extreme fixed mounting is on the brace table, install fourth bevel gear in the axis of rotation, fourth bevel gear and third bevel gear meshing, the eccentric wheel is installed at the axis of rotation both ends, the eccentric wheel is located the vibrating plate below.

Further, the lift stop door is including being located the L shape lifter plate in the screening space, and the guide block is installed to L shape lifter plate both sides, and guide block one side is equipped with the direction slide, and direction slide fixed mounting is on the connecting plate, and in the direction slide was stretched to guide block one end, L shape lifter plate and the circular passageway of second passed through connecting spring and connect, and the inclined plate is installed at L shape lifter plate both ends, and L shape impeller plate is installed to inclined tube one side, installs universal ball on the L shape impeller plate, and universal ball can follow the inclined plate below and pass through.

Further, the grinding disc comprises a rotating disc, the annular grinding disc is arranged on the rotating disc, a transmission rod is arranged on the upper surface of the rotating disc, a fourth round hole is formed in the supporting table, a fifth rolling bearing is arranged in the fourth round hole, the upper end of the transmission rod penetrates through the fifth rolling bearing and extends to the upper side of the supporting table, a fifth bevel gear is arranged at the upper end of the transmission rod, and the fifth bevel gear is meshed with the fourth bevel gear.

Further, a recovery port is formed in one side of the lower end of the collecting box, a suction pump is mounted on one side of the upper surface of the supporting frame, the inlet end of the suction pump is connected with the recovery port through a connecting pipe, a connecting port is formed in the supporting frame, a recovery pipe is mounted at the outlet end of the suction pump, and one end of the recovery pipe penetrates through the connecting port and extends to the upper end in the feed box.

Further, install the slope stock guide in the ring collection section of thick bamboo, ring collection section of thick bamboo lower extreme one side is installed the discharging pipe, and the discharging pipe is located the lower one side of slope stock guide, opens on the support frame has the fifth round hole, and the discharging pipe lower extreme passes the fifth round hole and stretches to the support frame below.

Further, a plurality of pushing plates are arranged at the inner lower part of the vertical pipe and fixedly arranged on the discharging screw rod.

The invention has the beneficial effects that: the screw discharging machine can lead the raw materials of the feed to move downwards, and the feed falls into the screening space through the discharging channel, the discharging channel can rotate, and then the feed falls into different screening spaces, the screening spaces are separated through the connecting plates, the feed raw materials in the screening spaces can be prevented from being mixed, when the feed raw materials fall into the screening spaces, the inclined screening net can be driven to vibrate through the vibration of the vibrator, and then the feed raw materials can be conveniently screened, the screened feed raw materials fall into the annular collecting cylinder to be collected, the feed raw materials can be continuously fed and screened, the feed raw materials in the screening spaces can be enabled to be screened more cleanly, when the discharging channel rotates to a certain screening space, the lifting baffle door on one side of the next screening space is opened, the discharging port can be opened, the feed raw materials which do not pass through the inclined screening net in the screening space can be enabled to fall into the first conical channel, when the discharging channel moves to the screening space, the lifting baffle door is closed, the newly added feed can be prevented from being mixed with the feed left before, the feed raw materials can be conveniently collected, the feed raw materials which fall into the first conical channel, the feed can be ground into the shape of a small-sized grinding disc, the feed particles can be ground into the shape, and the feed particles can be ground into the shape of the small-sized grinding disc, and the small-sized particles can be ground into one side of the feed particles in the grinding disc after the grinding disc is rotated,

the rotation of the discharge screw is driven by the rotating motor, so that the feed raw materials can fall in the vertical pipe and fall on the screening space through the inclined pipe, the discharge speed of the inclined pipe is in direct proportion to the rotation speed through the transmission of the gear and the speed reducing function of the speed reducer when the discharge screw rotates, and then the feed raw materials can be discharged at different positions in the screening space, the feed raw materials can be prevented from being piled up at one position, the screening speed is faster,

the discharging screw rod can drive the rotating shaft and the eccentric wheel to rotate through gear connection, and further the vibrating plate can shake up and down through the action of the eccentric wheel, the vibrating plate is connected with the second circular channel, and further a plurality of screening spaces can vibrate simultaneously to screen feed raw materials,

the L-shaped lifting plate can conveniently open the discharge hole by pushing through the L-shaped pushing plate and the universal ball, no extra electric appliance control is needed, the next L-shaped lifting plate of the screening space positioned at the lower end of the outlet end of the inclined tube can be opened, the control difficulty is reduced, the use is more convenient,

the feed raw material at the lower end of the collecting box can enter the feed box through the suction pump, so that the feed raw material can be conveniently screened again.

Drawings

FIG. 1 is a schematic diagram of a screening apparatus for use in laying hen feed processing according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial enlarged view at B in FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is a partial enlarged view at D in FIG. 1;

FIG. 6 is an enlarged view of a portion of FIG. 1 at E;

FIG. 7 is a schematic diagram of a screening apparatus for use in laying hen feed processing according to the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at F;

FIG. 9 is a schematic diagram of a screening apparatus for use in laying hen feed processing according to the present invention;

fig. 10 is a partial enlarged view at G in fig. 9;

FIG. 11 is a schematic view of the positional relationship between the L-shaped lifter plate and the ball bearing according to the present invention;

in the figure, 1, a supporting frame; 2. a feed box; 3. an L-shaped support rod; 4. a feed channel; 5. a screw discharging machine; 6. a discharge channel; 7. a first circular channel; 8. a second circular channel; 9. a connecting plate; 10. screening space; 11. tilting the screen; 12. a support column; 13. a guide hole; 14. a guide rod; 15. a telescopic spring; 16. a vibrator; 17. a conical collection tube; 18. a circular ring collection cylinder; 19. a discharge port; 20. lifting a shutter; 21. a third circular channel; 22. a first tapered passage; 23. a fixed rod; 24. fixing the column; 25. a collection box; 26. a grinding disc; 27. annular grinding sheets; 28. a rotating electric machine; 29. a second tapered channel; 30. a discharge port; 31. a discharging screw; 32. a first round hole; 33. a first rolling bearing; 34. a discharge pipe; 35. a second rolling bearing; 36. a vertical tube; 37. an inclined tube; 38. a second round hole; 39. a third rolling bearing; 40. a support table; 41. a speed reducer; 42. a first gear; 43. a second gear; 44. a drive chain; 45. a first bevel gear; 46. a second bevel gear; 47. a vibration plate; 48. a third round hole; 49. a third bevel gear; 50. a rotating shaft; 51. a fourth rolling bearing; 52. a fourth bevel gear; 53. an eccentric wheel; 54. an L-shaped lifting plate; 55. a guide block; 56. a guide slideway; 57. a connecting spring; 58. an inclined plate; 59. an L-shaped pushing plate; 60. a universal ball; 61. a rotating disc; 62. a transmission rod; 63. a fourth round hole; 64. a fifth rolling bearing; 65. a fifth bevel gear; 66. recovering the mouth; 67. a suction pump; 68. a connection port; 69. a recovery pipe; 70. tilting the stock guide; 71. a discharge pipe; 72. a fifth round hole; 73. and (5) pushing the material plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The invention provides a screening device for processing laying hen feed, as shown in figures 1-11, which comprises a support frame 1, wherein a feed box 2 is arranged above the support frame 1, L-shaped support rods 3 are arranged on two sides of the lower end of the feed box 2, the lower ends of the L-shaped support rods 3 are fixedly arranged on the support frame 1, a feed channel 4 is arranged on one side of the upper end of the feed box 2, a continuous screening mechanism is arranged above the support frame 1, a large particle collecting mechanism is arranged above the support frame 1, a grinding mechanism is arranged above the support frame 1, the continuous screening mechanism comprises a screw discharging machine 5 fixedly arranged on the feed box 2, a rotatable discharging channel 6 is arranged at the lower end of the screw discharging machine 5, a first circular channel 7 is arranged below the feed box 2, a second circular channel 8 is sleeved in the first circular channel 7, the first circular channel 7 and the second circular channel 8 are concentrically corresponding, the first circular channel 7 and the second circular channel 8 are connected through a plurality of connecting plates 9, the connecting plate 9 divides the area in the first circular channel 7 and the second circular channel 8 into a plurality of screening spaces 10, the outlet end of the discharging channel 6 can rotate to the upper parts of different screening spaces 10, the lower end of the screening space 10 is provided with an inclined screening net 11, one side of the inclined screening net 11 close to the second circular channel 8 is lower, the lower part of the first circular channel 7 is provided with a plurality of support columns 12, the upper ends of the support columns 12 are provided with guide holes 13, guide rods 14 are arranged in the guide holes 13, the upper ends of the guide rods 14 are fixedly connected with the lower surface of the first circular channel 7, the first circular channel 7 and the support columns 12 are connected through a plurality of telescopic springs 15, a vibrator 16 which can enable the second circular channel 8 to vibrate up and down is arranged above the support frame 1, a conical collecting pipe 17 is arranged below the screening space 10, the upper surface of the support frame 1 is provided with a circular ring collecting cylinder 18, the outlet end of the conical collecting pipe 17 extends into the annular collecting cylinder 18, the large particle collecting mechanism comprises a plurality of discharge holes 19 positioned at the lower end of the second circular channel 8, the discharge holes 19 are positioned at one side of the screening space 10, a lifting baffle door 20 capable of opening and closing the discharge holes 19 is arranged at the discharge holes 19, a third circular channel 21 is arranged below the inner side of the second circular channel 8, a first conical channel 22 is sleeved outside the third circular channel 21, the first conical channel 22 corresponds to the third circular channel 21 concentrically, the first conical channel 22 is connected with the third circular channel 21 through a plurality of fixing rods 23, the first conical channel 22 is connected with the upper end of the supporting frame 1 through a plurality of fixing posts 24, a collecting box 25 arranged below the first conical channel 22 is arranged at the upper end of the supporting frame 1, the grinding mechanism comprises a rotatable grinding disc 26 positioned below the third circular channel 21, an annular grinding disc 27 is arranged on the grinding disc 26, the upper end of the annular grinding disc 27 extends to a position between the first conical channel 22 and the third circular channel 21, the grinding disc 26 can enable large particles to fall into the collecting box 25 after the large particles are ground,

the screening process of the device for the feed raw materials of the laying hens is as follows: a large amount of feed raw materials are added into the feed box 2 through the feed channel 4, then the inlet end of the feed channel 5 is closed, the feed in the feed box 2 flows downwards through the rotation of the screw discharging machine 5, and enters into one screening space 10 through the discharge channel 6, the discharge space 6 rotates, the feed raw materials can fall into a plurality of screening spaces 10, the vibrator 16 is started to vibrate the second circular channel 8, the second circular channel 8 is connected with the first circular channel 7 through the connecting plate 9, the first circular channel 7, the second circular channel 8 and the inclined screening net 11 vibrate up and down, the guide holes 13 and the guide rods 14 at the upper ends of the support columns 12 can ensure the moving directions of the first circular channel 7, the second circular channel 8 and the inclined screening net 11, the feed raw materials can be screened through the vibration of the inclined screening net 11, smaller feed materials can fall into the circular ring collecting cylinder 18 through the conical collecting pipe 17, larger feed materials are left above the inclined screening net 11, feed materials can be screened in different screening spaces 10 through continuous rotation of the discharging channel 6 above the screening spaces 10, the connecting plate 9 can prevent feed materials in different screening spaces 10 from being mixed, when the discharging channel 6 is positioned above one screening space 10, the lifting baffle door 20 on the next screening space 10 of the screening space 10 is opened, feed materials in the next screening space 10 can be moved between the first conical channel 22 and the third circular channel 21 through the discharging channel 19, when the discharging channel 6 leaves from the first screening space 10, the lifting baffle door 20 on one side of the second screening space 10 is closed, the discharging channel 19 is closed, then feed materials are added into the second screening space 10, and the lifting shutter 20 on the third screening space 10 is opened, so that the feed materials can be conveniently and respectively collected after being screened, the feed materials falling between the first conical channel 22 and the third circular channel 21 can fall at the gap between the circular grinding disc 27 and the first conical channel 22, the circular grinding disc 27 is driven to rotate by the grinding disc 26 to grind and crush the feed materials, then the feed materials can fall into the collecting box 25,

referring to the description of figure 1, the description of figure 2, the description of figure 3 and the description of figure 5, the screw rod discharging machine 5 comprises a rotating motor 28 which is fixedly arranged at the upper end of a feed box 2 and the rotating end of which is downward, a second conical channel 29 is arranged in the feed box 2, a discharging hole 30 is arranged at the lower end of the feed box 2, a discharging screw rod 31 is arranged in the feed box 2, a first round hole 32 is arranged at the upper end of the feed box 2, a first rolling bearing 33 is arranged in the first round hole 32, the upper end of the discharging screw rod 31 passes through the first rolling bearing 33 and extends above the feed box 2, the rotating end of the rotating motor 28 is connected with the upper end of the discharging screw rod 31 through a coupler, a discharging pipe 34 is arranged at the lower end of the discharging hole 30, the discharging pipe 34 is sleeved outside the discharging screw rod 31,

the screw discharging machine 5 drives the discharging process as follows: the rotating motor 28 is started to rotate, the rotating motor 28 can drive the discharge screw 31 to rotate through the coupler, the discharge screw 31 can enable the feed raw materials in the feed box 2 to move downwards, the second conical channel 29 can enable the feed raw materials to move towards the direction close to the discharge screw 31, then the feed raw materials can enter the discharge channel 6 through the discharge hole 30 and the discharge pipe 34,

referring to fig. 1 of the specification, fig. 3 of the specification and fig. 7 of the specification, the discharge channel 6 includes a second rolling bearing 35 fixedly installed outside the lower end of the discharge pipe 34, a vertical pipe 36 is installed outside the second rolling bearing 35, a tilting pipe 37 is installed at one side of the lower end of the vertical pipe 36, a second circular hole 38 is opened at the lower end of the vertical pipe 36, a third rolling bearing 39 is installed in the second circular hole 38, the lower end of the discharge screw 31 extends below the vertical pipe 36 through the third rolling bearing 39, a supporting table 40 is installed at one side in the third circular channel 21, a speed reducer 41 is installed at the upper end of the supporting table 40, a first gear 42 is installed at the power input end of the speed reducer 41, a second gear 43 is installed at the lower end of the discharge screw 31, the first gear 42 is connected with the second gear 43 through a transmission chain 44, a first bevel gear 45 is installed at the power output end of the speed reducer 41, a second bevel gear 46 is installed at the lower end of the vertical pipe 36, the second bevel gear 46 is a circular ring bevel gear, the discharge screw 31 can pass through the middle of the second bevel gear 46, the first bevel gear 45 and the second bevel gear 46 are meshed,

the discharging process of the discharging pipeline 6 is as follows: along with the rotation of the discharging screw 31, the feed raw material falling from the discharging pipe 34 can enter the vertical pipe 36 and then enter the screening space 10 through the inclined pipe 37, when the discharging screw 31 rotates, the second gear 43 can be driven to rotate, the second gear 43 is connected with the first gear 42 through the transmission chain 44, the first gear 42 and the power input end of the speed reducer 41 can be driven to rotate, after the speed reducer 41 is decelerated, the power output end of the speed reducer 41 can drive the first bevel gear 45 to rotate, the first bevel gear 45 is meshed with the second bevel gear 46, the second bevel gear 46 and the vertical pipe 36 can be driven to rotate, the vertical pipe 36 can drive the inclined pipe 37 to rotate, the discharging pipeline 6 can further rotate while discharging, the discharging speed of the discharging pipeline 6 is in direct proportion to the rotating speed, the feed raw material can conveniently and uniformly fall into the screening space 10,

referring to fig. 1, fig. 5, fig. 7, fig. 9 and fig. 10 of the specification, the vibrator 16 includes a vibration plate 47 located in the second circular channel 8, both ends of the vibration plate 47 are connected with the inner side surface of the second circular channel 8, a third circular hole 48 is formed in the vibration plate 47, the lower end of the discharge screw 31 extends below the vibration plate 47 through the third circular hole 48, a third bevel gear 49 is installed at the lower end of the discharge screw 31, a rotating shaft 50 is installed at the upper end of the supporting table 40, a fourth rolling bearing 51 is installed at both ends of the rotating shaft 50, the lower end of the fourth rolling bearing 51 is fixedly installed on the supporting table 40, a fourth bevel gear 52 is installed on the rotating shaft 50, the fourth bevel gear 52 is meshed with the third bevel gear 49, eccentric gears 53 are installed at both ends of the rotating shaft 50, the eccentric gears 53 are located below the vibration plate 47,

the vibration process of the vibrator 16 driving the second circular passage 8 is as follows: when the discharging screw 31 rotates, the third bevel gear 49 can be driven to rotate, the third bevel gear 49 is meshed with the fourth bevel gear 52, the rotating shaft 50 and the eccentric wheel 53 can be driven to rotate, when the eccentric wheel 53 is positioned at one end far from the rotating shaft 50 and rotates to the upper side, the vibrating plate 47 can be pushed upwards, the first circular channel 7, the second circular channel 8 and the inclined screening net 11 can be driven to move downwards, the telescopic spring 15 is stretched, the guide rod 14 and the guide hole 13 can ensure the moving direction of the first circular channel 7, the second circular channel 8 and the inclined screening net 11, when the eccentric wheel 53 is positioned at the end close to the rotating shaft 50 and rotates to the upper side, the vibrating plate 47 can be pulled downwards under the action of gravity and the tension of the telescopic spring 15, and the first circular channel 7, the second circular channel 8 and the inclined screening net 11 can be driven to move to the lowest position, and further the vibrating plate 47 can be driven to move upwards and downwards continuously when the discharging screw 31 rotates continuously, and feed can be screened,

referring to fig. 1, fig. 4, fig. 5, fig. 8, fig. 9 and fig. 11 of the specification, the lifting shutter 20 includes an L-shaped lifting plate 54 positioned in the screening space 10, guide blocks 55 are installed at both sides of the L-shaped lifting plate 54, a guide slide 56 is provided at one side of the guide block 55, the guide slide 56 is fixedly installed on the connection plate 9, one end of the guide block 55 extends into the guide slide 56, the L-shaped lifting plate 54 and the second circular passage 8 are connected by a connection spring 57, inclined plates 58 are installed at both ends of the L-shaped lifting plate 54, an L-shaped pushing plate 59 is installed at one side of the inclined tube 37, universal balls 60 are installed on the L-shaped pushing plate 59, the universal balls 60 can pass under the inclined plates 58,

the opening and closing process of the lifting shutter 20 is as follows: when the inclined tube 37 moves to the beginning of one screening space 10, the universal ball 60 can be moved to the inclined plate 58 on the side of the next screening space 10 by the L-shaped pushing plate 59, then when the inclined tube 37 moves, the universal ball 60 can be moved from the lower part of the inclined plate 58 to the lower part of the L-shaped lifting plate 54, under the inclined plane of the inclined plate 58, the inclined plate 58 and the L-shaped lifting plate 54 can be moved upwards, the connecting spring 57 is stretched, the guide block 55 and the guide slideway 56 can ensure the moving direction of the L-shaped lifting plate 54, the discharge hole 19 can be opened, the feed raw material can be conveniently moved out from the discharge hole 19, when the inclined tube 37 moves to the end of the first screening space 10, the L-shaped pushing plate 59 can move the universal ball 60 to the outer side of the inclined plate 58 on the side of the second screening space 10, the universal ball 60 can be moved out from the lower parts of the L-shaped lifting plate 54 and the inclined plate 58, further under the action of gravity and the connecting spring 57, the L-shaped lifting plate 54 is pulled downwards, and the discharge hole 19 is closed,

referring to fig. 1, 5, 7, 9 and 10 of the specification, the grinding disk 26 includes a rotating disk 61, a circular grinding disk 27 is mounted on the rotating disk 61, a transmission rod 62 is mounted on the upper surface of the rotating disk 61, a fourth circular hole 63 is formed on the supporting table 40, a fifth rolling bearing 64 is mounted in the fourth circular hole 63, the upper end of the transmission rod 62 extends to the upper side of the supporting table 40 through the fifth rolling bearing 64, a fifth bevel gear 65 is mounted on the upper end of the transmission rod 62, the fifth bevel gear 65 is engaged with the fourth bevel gear 52,

the process of the grinding disc 26 driving the annular grinding sheet 27 to rotate is as follows: when the discharging screw 31 rotates, the third bevel gear 49 can be driven to rotate, the third bevel gear 49 is meshed with the fourth bevel gear 52, the fourth bevel gear 52 can be driven to rotate, the fourth bevel gear 52 is meshed with the fifth bevel gear 65, the transmission rod 62 and the rotating disc 61 can be driven to rotate, the rotating disc 61 can drive the circular grinding disc 27 to rotate, and then the feed raw materials can be ground,

referring to the accompanying drawings 1 and 6 of the specification, a recovery port 66 is formed on one side of the lower end of the collecting box 25, a suction pump 67 is mounted on one side of the upper surface of the supporting frame 1, the inlet end of the suction pump 67 is connected with the recovery port 66 through a connecting pipe, a connecting port 68 is formed on the supporting frame 1, a recovery pipe 69 is mounted at the outlet end of the suction pump 67, one end of the recovery pipe 69 passes through the connecting port 68 and extends to the upper end in the feed box 2,

the feed material in the collection bin 25 is screened as follows: the feed raw materials falling into the collecting box 25 are piled up downwards under the action of gravity, after a certain amount of piled up feed raw materials are discharged into the upper end of the feed box 2 through the collecting pipe 69 after the feed raw materials in the collecting box 25 are sucked away by the suction pump 67 through the connecting pipe and the collecting port 66, so that the feed raw materials can be conveniently screened again,

referring to fig. 1 of the specification, an inclined guide plate 70 is arranged in a circular ring collecting cylinder 18, a discharge pipe 71 is arranged at one side of the lower end of the circular ring collecting cylinder 18, the discharge pipe 71 is positioned at one side of the lower part of the inclined guide plate 70, a fifth round hole 72 is formed on a supporting frame 1, the lower end of the discharge pipe 71 passes through the fifth round hole 72 and extends to the lower part of the supporting frame 1,

the feed material in the annular collection canister 18 is discharged as follows: a holding box or a conveyor belt device is placed at the lower end of the discharging pipe 71 by a worker, the feed raw materials falling into the circular ring collecting cylinder 18 can fall on the inclined guide plate 70, then the feed raw materials can slide towards the direction of the discharging pipe 71 under the action of the inclined surface of the inclined guide plate 70, and further the feed raw materials can be conveniently discharged and collected from the discharging pipe 71,

referring to fig. 1, 3 and 7 of the specification, a plurality of pushing plates 73 are provided at the inner lower side of the vertical tube 36, the pushing plates 73 are fixedly installed on the discharging screw 31,

the pushing plate 73 pushes the feed raw material as follows: when the fodder raw materials falls on vertical pipe 35 from arranging in the material pipe 34, make the fodder raw materials pile up at vertical pipe 35 lower extreme easily, when discharge screw 31 rotates, can drive and push away flitch 73 and rotate, and then can be convenient for push away flitch 73 and push into the hang tube 37 with the fodder raw materials of vertical pipe 35 lower extreme, and then can be convenient for arrange the material.

Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The screening device for the laying hen feed processing comprises a support frame (1), wherein a feed box (2) is arranged above the support frame (1), L-shaped support rods (3) are arranged on two sides of the lower end of the feed box (2), the lower ends of the L-shaped support rods (3) are fixedly arranged on the support frame (1), a feed channel (4) is arranged on one side of the upper end of the feed box (2), the screening device is characterized in that a continuous screening mechanism is arranged above the support frame (1), a large particle collecting mechanism is arranged above the support frame (1), a grinding mechanism is arranged above the support frame (1),

the continuous screening mechanism comprises a screw rod discharging machine (5) fixedly arranged on a feed box (2), a rotatable discharging channel (6) is arranged at the lower end of the screw rod discharging machine (5), a first circular channel (7) is arranged below the feed box (2), a second circular channel (8) is sleeved in the first circular channel (7), the first circular channel (7) and the second circular channel (8) are concentrically corresponding, the first circular channel (7) and the second circular channel (8) are connected through a plurality of connecting plates (9), the connecting plates (9) divide the areas in the first circular channel (7) and the second circular channel (8) into a plurality of screening spaces (10), the outlet end of the discharging channel (6) can rotate above different screening spaces (10), an inclined screening net (11) is arranged at the lower end of the screening space (10), one side of the inclined screening net (11) close to the second circular channel (8) is lower, a plurality of support columns (12) are arranged below the first circular channel (7), guide holes (13) are formed at the upper end of the support columns (12), guide holes (13) are formed in the upper ends of the support columns (12), guide rods (14) are connected with the upper ends of the guide rods (14) through the guide rods (14) and the guide rods (15) which are connected with the first circular channels (7), a vibrator (16) which can vibrate the second circular channel (8) up and down is arranged above the support frame (1), a conical collecting pipe (17) is arranged below the screening space (10), a circular ring collecting cylinder (18) is arranged on the upper surface of the support frame (1), the outlet end of the conical collecting pipe (17) extends into the circular ring collecting cylinder (18),

the large particle collecting mechanism comprises a plurality of discharge holes (19) positioned at the lower end of a second circular channel (8), the discharge holes (19) are positioned at one side of a screening space (10), lifting baffle doors (20) capable of opening and closing the discharge holes (19) are arranged at the positions of the discharge holes (19), a third circular channel (21) is arranged below the inner side of the second circular channel (8), a first conical channel (22) is sleeved outside the third circular channel (21), the first conical channel (22) concentrically corresponds to the third circular channel (21), the first conical channel (22) is connected with the third circular channel (21) through a plurality of fixing rods (23), the first conical channel (22) is connected with the upper end of a support frame (1) through a plurality of fixing columns (24), a collecting box (25) arranged at the upper end of the support frame (1) is arranged below the first conical channel (22),

the grinding mechanism comprises a rotatable grinding disc (26) positioned below the third circular channel (21), a circular grinding disc (27) is arranged on the grinding disc (26), the upper end of the circular grinding disc (27) extends to a position between the first conical channel (22) and the third circular channel (21), and small particles can fall into the collecting box (25) after the large particles are ground by the grinding disc (26).

2. The screening device for laying hen feed processing according to claim 1, wherein the screw discharging machine (5) comprises a rotating motor (28) fixedly installed at the upper end of the feed box (2) and with the rotating end downward, a second conical channel (29) is installed in the feed box (2), a discharge hole (30) is formed in the lower end of the feed box (2), a discharging screw (31) is arranged in the feed box (2), a first round hole (32) is formed in the upper end of the feed box (2), a first rolling bearing (33) is installed in the first round hole (32), the upper end of the discharging screw (31) penetrates through the first rolling bearing (33) to extend above the feed box (2), the rotating end of the rotating motor (28) is connected with the upper end of the discharging screw (31) through a coupler, and a discharge pipe (34) is installed at the lower end of the discharge hole (30), and the discharge pipe (34) is sleeved outside the discharging screw (31).

3. The screening device for processing feed for layers according to claim 2, wherein the discharging channel (6) comprises a second rolling bearing (35) fixedly arranged outside the lower end of the discharging pipe (34), a vertical pipe (36) is arranged outside the second rolling bearing (35), an inclined pipe (37) is arranged at one side of the lower end of the vertical pipe (36), a second round hole (38) is formed in the lower end of the vertical pipe (36), a third rolling bearing (39) is arranged in the second round hole (38), the lower end of a discharging screw (31) penetrates through the third rolling bearing (39) to extend below the vertical pipe (36), a supporting table (40) is arranged at one side in the third round channel (21), a speed reducer (41) is arranged at the upper end of the supporting table (40), a first gear (42) is arranged at the power input end of the speed reducer (41), a second gear (43) is arranged at the lower end of the discharging screw (31), the first gear (42) and the second gear (43) are connected through a transmission chain (44), a first bevel gear (45) is arranged at the power output end of the speed reducer (41), a second bevel gear (46) penetrates through the second bevel gear (46), and the second bevel gear (46) penetrates through the middle bevel gear (46), the first bevel gear (45) and the second bevel gear (46) are meshed.

4. A screening device for laying hen feed processing according to claim 3, characterized in that the vibrator (16) comprises a vibrating plate (47) located in the second circular channel (8), two ends of the vibrating plate (47) are connected with the inner side surface of the second circular channel (8), a third round hole (48) is formed in the vibrating plate (47), the lower end of the discharging screw (31) penetrates through the third round hole (48) to extend below the vibrating plate (47), a third bevel gear (49) is installed at the lower end of the discharging screw (31), a rotating shaft (50) is installed at the upper end of the supporting table (40), a fourth rolling bearing (51) is installed at two ends of the rotating shaft (50), the lower end of the fourth rolling bearing (51) is fixedly installed on the supporting table (40), a fourth bevel gear (52) is installed on the rotating shaft (50), the fourth bevel gear (52) is meshed with the third bevel gear (49), an eccentric wheel (53) is installed at two ends of the rotating shaft (50), and the eccentric wheel (53) is located below the vibrating plate (47).

5. A screening device for laying hen feed processing according to claim 3, characterized in that the lifting shutter (20) comprises an L-shaped lifting plate (54) located in the screening space (10), guide blocks (55) are installed on two sides of the L-shaped lifting plate (54), guide slide ways (56) are arranged on one side of the guide blocks (55), the guide slide ways (56) are fixedly installed on the connecting plate (9), one end of each guide block (55) extends into each guide slide way (56), the L-shaped lifting plate (54) is connected with the second circular channel (8) through a connecting spring (57), inclined plates (58) are installed at two ends of the L-shaped lifting plate (54), an L-shaped pushing plate (59) is installed on one side of each inclined tube (37), and universal balls (60) are installed on the L-shaped pushing plate (59) and can pass below the inclined plates (58).

6. The screening device for laying hen feed processing according to claim 4, wherein the grinding disc (26) comprises a rotating disc (61), the annular grinding disc (27) is arranged on the rotating disc (61), a transmission rod (62) is arranged on the upper surface of the rotating disc (61), a fourth round hole (63) is formed in the supporting table (40), a fifth rolling bearing (64) is arranged in the fourth round hole (63), the upper end of the transmission rod (62) penetrates through the fifth rolling bearing (64) to extend above the supporting table (40), a fifth bevel gear (65) is arranged at the upper end of the transmission rod (62), and the fifth bevel gear (65) is meshed with the fourth bevel gear (52).

7. The screening device for laying hen feed processing according to claim 1, wherein a recovery port (66) is formed in one side of the lower end of the collecting box (25), a suction pump (67) is mounted on one side of the upper surface of the supporting frame (1), the inlet end of the suction pump (67) is connected with the recovery port (66) through a connecting pipe, a connecting port (68) is formed in the supporting frame (1), a recovery pipe (69) is mounted at the outlet end of the suction pump (67), and one end of the recovery pipe (69) penetrates through the connecting port (68) to extend to the inner upper end of the feed box (2).

8. The screening device for laying hen feed processing according to claim 1, wherein an inclined guide plate (70) is arranged in the circular ring collecting cylinder (18), a discharge pipe (71) is arranged on one side of the lower end of the circular ring collecting cylinder (18), the discharge pipe (71) is arranged on one side of the lower inclined guide plate (70), a fifth round hole (72) is formed in the support frame (1), and the lower end of the discharge pipe (71) penetrates through the fifth round hole (72) and extends to the lower side of the support frame (1).

9. A screening device for laying hen feed processing according to claim 3, characterized in that a plurality of pushing plates (73) are arranged in the vertical tube (36) at the inner lower part, and the pushing plates (73) are fixedly mounted on the discharging screw (31).