CN210449834U

CN210449834U - Pig feed production raw materials multi-stage screening device

Info

Publication number: CN210449834U
Application number: CN201921468903.7U
Authority: CN
Inventors: 丁立宏
Original assignee: Weifang Integrated Technology Feed Co Ltd
Current assignee: Weifang Integrated Technology Feed Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-05
Anticipated expiration: 2029-09-04

Abstract

The utility model relates to the technical field of accessories of pig feed production equipment, in particular to a pig feed production raw material multi-stage screening device, which is additionally provided with an auxiliary screening mechanism to reduce the probability of mixing fine weeds and leaves in screened pig feed raw materials, thereby being capable of screening the pig feed raw materials and improving the use reliability of the pig feed production raw material multi-stage screening device; the vibration plate assembly comprises a support, four groups of buffer springs, a vibration plate assembly, a filter box and a collecting box, wherein the bottom end of the support is provided with four groups of supporting legs, the bottom ends of the four groups of buffer springs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the support, the top ends of the four groups of buffer springs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the vibration plate assembly, and the front end and the rear end of the vibration plate assembly are; the air-blowing fan assembly further comprises a fan assembly, an air-blowing cover, an air outlet pipe, a guide plate, a fixing frame and a mounting plate.

Description

Pig feed production raw materials multi-stage screening device

Technical Field

The utility model relates to a pig feed production equipment auxiliary device's technical field especially relates to a pig feed production raw materials multistage sieving mechanism.

Background

As is well known, raw materials of pig feed are usually produced from granular plants rich in plant proteins, such as soybean, corn, peanut and the like, but these raw materials usually contain impurities, such as weeds, leaves, dust and the like, and in order to improve the production quality of pig feed, the raw materials of pig feed need to be screened out of the weeds, leaves and dust granules, wherein a multi-stage screening device for raw materials of pig feed production is a device for screening out impurities, such as weeds, leaves and dust and the like, in the raw materials of pig feed production during the production and processing of pig feed, and is widely used in the field of pig feed production; the traditional multistage screening device for pig feed production raw materials comprises a support, four groups of buffer springs, a vibration plate assembly, a filter box and a collecting box, wherein four groups of supporting legs are arranged at the bottom end of the support, the bottom ends of the four groups of buffer springs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the support, the top ends of the four groups of buffer springs are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the vibration plate assembly, two groups of vibration motors are arranged at the front end and the rear end of the vibration plate assembly, the top end of the vibration plate assembly is provided with a vibration groove, a plurality of groups of ash removing holes are arranged at the bottom end of the vibration groove in a penetrating manner, the right end of the vibration groove is communicated with a blanking port, the bottom end of the filter box is, the top end of the collecting box is provided with a collecting groove, and the collecting box is positioned right below the blanking port; when the existing multistage screening device for pig feed production raw materials is used, firstly, two groups of vibration motors are started to drive the vibration plate component and the filter box to vibrate synchronously, then the pig feed raw materials are added into a filter tank of the filter box, under the vibration of the filter box, the raw materials of the pig feed can pass through the large-hole screen and fall into the vibration groove of the vibration plate component, impurities such as weeds, leaves and the like in the raw materials of the pig feed are filtered in the filter box by the macroporous screen, under the vibration of the vibrating plate component, the raw materials of the pig feed can slide downwards in the vibrating groove and fall into the collecting groove of the collecting box through the blanking port, the dust particles in the pig feed raw materials fall from the pig feed raw materials under the vibration of the vibration groove, pass through the plurality of groups of dust removing holes and fall to the lower side of the vibration plate component, and the screening process of weeds, leaves and dust is completed by the pig feed raw materials in the collection box; the multistage sieving mechanism of current pig feed production raw materials discovers in using, probably there are comparatively tiny weeds and leaf in the pig feed raw materials, these comparatively tiny weeds and leaf pass the large pore sieve net and continue to sneak into the probability in the pig feed raw materials higher, and comparatively tiny weeds and leaf remove the degree of difficulty that the hole dropped on the vibrating plate subassembly through the multiunit and are great, consequently, the screening quality of pig feed raw materials has been reduced, therefore the use reliability of the multistage sieving mechanism of current pig feed production raw materials has been reduced, thereby lead to the practicality relatively poor.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides an it removes the probability that has thoughtlessly had tiny weeds and leaf in the pig feed ingredient that the mechanism reduces the screening and finishes to add supplementary screening, therefore can pig feed ingredient's screening quality, therefore improved pig feed ingredient multistage sieving mechanism's use reliability to strengthen the pig feed ingredient multistage sieving mechanism of practicality.

The utility model discloses a pig feed production raw materials multistage screening device, including support, four group's buffer spring, vibration board subassembly, rose box and collecting box, the bottom of support is provided with four group's landing legs, four group's buffer spring's bottom is connected with the top left front side, left rear side, right front side and right rear side of support respectively, four group's buffer spring's top is connected with vibration board subassembly's bottom left front side, left rear side, right front side and right rear side respectively, vibration board subassembly's front end and rear end are provided with two sets of vibrating motors, vibration board subassembly's top is provided with the vibration tank, the bottom of vibration tank runs through and is provided with multiunit ash removal hole, the right-hand member intercommunication of vibration tank is provided with the blanking mouth, the bottom of rose box is provided with the mounting bracket, the bottom of mounting bracket is connected with vibration board subassembly's top left side, the top of rose box is provided, the top end of the collecting box is provided with a collecting groove; the left end and the right end of the fixing frame are respectively connected with the middle part of the right end of the support and the middle part of the left end of the guide plate, the top area of the guide plate is located at the lower side of the right area of the vibrating plate assembly, and the bottom area of the guide plate is located right above the collecting tank of the collecting tank.

The utility model discloses a pig feed production raw materials multistage sieving mechanism still includes locating piece, regulating plate, fastening threaded rod and fastening knob, the left end of locating piece and the right-hand member bottom regional connection of outlet duct, the top of locating piece is run through and is provided with the regulation slide opening, it slides with the regulating plate and clamps to adjust the slide opening, the right-hand member intercommunication of adjusting the slide opening is provided with fastening screw hole, fastening screw hole and fastening threaded rod spiral shell dress, fastening threaded rod's right-hand member is connected with the left end of fastening knob, fastening threaded rod's left end is hugged closely with the right-hand member of regulating plate.

The utility model discloses a pig feed production raw materials multistage sieving mechanism still includes the filter, the right-hand member of filter is provided with the draw-in groove, the draw-in groove clamps with the regional fastening of the left part of fan subassembly, the left end of draw-in groove runs through and is provided with the filtration pore, be provided with the filter screen on the filtration pore.

The utility model discloses a pig feed production raw materials multistage sieving mechanism still includes the switch board, the right-hand member intercommunication of the rose box's rose tank is provided with U type clearance hole, the front end and the rear end in U type clearance hole communicate respectively and are provided with two sets of spacing grooves, the front end and the rear end of switch board slide with two sets of spacing grooves respectively and clamp, the top of two sets of spacing grooves all communicates and is provided with the inserted hole.

The utility model discloses a pig feed production raw materials multistage sieving mechanism still includes two sets of guard plates, the bottom of two sets of guard plates is connected with the right-hand member front side and the rear side of guide plate respectively.

The utility model discloses a pig feed production raw materials multistage sieving mechanism still includes the control lever, the top of control lever is connected with the bottom middle part of regulating plate.

The utility model discloses a pig feed production raw materials multistage sieving mechanism still includes the lift handle, the left end of lift handle is connected with the right-hand member top of cubical switchboard.

The utility model discloses a pig feed production raw materials multistage sieving mechanism still includes the board that gathers dust, the regional front end in left part and the rear end of the board that gathers dust are connected with the inner top of the two sets of landing legs in left side respectively, the top of the board that gathers dust is provided with the groove of collecting dust, and the left end intercommunication in the groove of collecting dust is provided with the cleaning gap, and the groove of collecting dust is located the multiunit dust removal hole of vibrating plate subassembly under.

Compared with the prior art, the beneficial effects of the utility model are that: after the pig feed raw materials are dedusted by the vibrating plate component, the pig feed raw materials are continuously vibrated in the vibrating groove of the vibrating plate component along with the vibrating groove and are discharged out of the vibrating groove through the blanking port, then the pig feed raw materials drop on the guide plate, after the falling direction of the pig feed raw materials is changed by the guide plate, the pig feed raw materials slide down from the bottom end of the guide plate, at the moment, the output end of the fan component horizontally blows right through the matching of the air blowing cover and the air outlet pipe, then when the falling pig feed raw materials pass through the air blowing part of the air outlet pipe, fine weeds and leaves in the pig feed raw materials are blown out in the pig feed raw materials due to lighter weight, and dust particles which are not thoroughly removed in the pig feed raw materials can also be blown out of the pig feed raw materials, and finally the pig feed raw materials from which the fine weeds and leaves are removed continue to drop into the collecting box, and tiny weeds and leaf are then blown to the right side region of collecting box to through having add supplementary screening mechanism and having reduced the probability that thoughtlessly has tiny weeds and leaf in the pig feed ingredient that the screening finishes, therefore screening quality that can pig feed ingredient, therefore improved pig feed production raw materials multi-stage sieving mechanism's use reliability, thereby reinforcing practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of a partially enlarged structure of a;

fig. 3 is a schematic view of a connection structure of two sets of vibration motors and a vibration plate assembly according to the present invention;

fig. 4 is a schematic view of the connection structure of the air outlet pipe and the blowing cover of the present invention;

FIG. 5 is a schematic view of the connection structure of the switch board and the filter box of the present invention;

in the drawings, the reference numbers: 1. a support; 2. four groups of buffer springs; 3. a vibrating plate assembly; 4. a filter box; 5. a collection box; 6. four groups of supporting legs; 7. two sets of vibration motors; 8. a vibration groove; 9. a plurality of groups of ash removing holes; 10. a mounting frame; 11. a filter tank; 12. a macroporous screen; 13. a fan assembly; 14. a blower housing; 15. an air outlet pipe; 16. a baffle; 17. a fixed mount; 18. mounting a plate; 19. positioning blocks; 20. an adjusting plate; 21. fastening a threaded rod; 22. fastening a knob; 23. a filter plate; 24. a card slot; 25. a filter screen; 26. a switch plate; 27. cleaning a U-shaped cleaning hole; 28. two groups of protection plates; 29. two groups of limiting grooves; 30. a control lever; 31. lifting the handle; 32. a dust collecting plate.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 5, the multi-stage screening device for pig feed production raw materials comprises a support 1, four groups of buffer springs 2, a vibrating plate assembly 3, a filter box 4 and a collecting box 5, wherein four groups of supporting legs 6 are arranged at the bottom end of the support 1, the bottom ends of the four groups of buffer springs 2 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the support 1, the top ends of the four groups of buffer springs 2 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the vibrating plate assembly 3, two groups of vibrating motors 7 are arranged at the front end and the rear end of the vibrating plate assembly 3, a vibrating groove 8 is arranged at the top end of the vibrating plate assembly 3, a plurality of dedusting holes 9 are arranged at the bottom end of the vibrating groove 8 in a penetrating manner, a blanking hole is communicated with the right end of the vibrating groove 8, a filter tank 11 is arranged at the top end of the filter tank 4, a large-hole screen 12 penetrates through the bottom end of the filter tank 11, and a collecting tank is arranged at the top end of the collecting tank 5; the air-cooling type air-cooling fan comprises a fan assembly 13, a blower cover 14, an air outlet pipe 15, a guide plate 16, a fixing frame 17 and a mounting plate 18, wherein the front end and the rear end of the mounting plate 18 are respectively connected with the middle upper part area of the inner ends of two groups of supporting legs on the right side, the bottom end of the fan assembly 13 is connected with the middle part of the top end of the mounting plate 18, the left end of the blower cover 14 is provided with a flow hole in a penetrating manner, the left end of the blower cover 14 is connected with the right end of the fan assembly 13, the flow hole is hermetically communicated with the right output end of the fan assembly 13, the left end of the air outlet pipe 15 is communicated with the right output end of the flow hole, the left end and the right end of the fixing frame 17 are respectively connected with the middle part of the right end of a support 1 and the; after the pig feed raw materials are dedusted by the vibrating plate component, the pig feed raw materials are continuously vibrated in the vibrating groove of the vibrating plate component along with the vibrating groove and are discharged out of the vibrating groove through the blanking port, then the pig feed raw materials drop on the guide plate, after the falling direction of the pig feed raw materials is changed by the guide plate, the pig feed raw materials slide down from the bottom end of the guide plate, at the moment, the output end of the fan component horizontally blows right through the matching of the air blowing cover and the air outlet pipe, then when the falling pig feed raw materials pass through the air blowing part of the air outlet pipe, fine weeds and leaves in the pig feed raw materials are blown out in the pig feed raw materials due to lighter weight, and dust particles which are not thoroughly removed in the pig feed raw materials can also be blown out of the pig feed raw materials, and finally the pig feed raw materials from which the fine weeds and leaves are removed continue to drop into the collecting box, and tiny weeds and leaf are then blown to the right side region of collecting box to through having add supplementary screening mechanism and having reduced the probability that thoughtlessly has tiny weeds and leaf in the pig feed ingredient that the screening finishes, therefore screening quality that can pig feed ingredient, therefore improved pig feed production raw materials multi-stage sieving mechanism's use reliability, thereby reinforcing practicality.

The utility model discloses a pig feed production raw materials multistage sieving mechanism, still include locating piece 19, regulating plate 20, fastening threaded rod 21 and fastening knob 22, the left end of locating piece 19 is connected with the right-hand member bottom region of outlet duct 15, the top of locating piece 19 runs through and is provided with the regulation slide opening, the regulation slide opening slides with regulating plate 20 and clamps, the right-hand member intercommunication of regulation slide opening is provided with fastening screw hole, fastening screw hole and fastening threaded rod 21 spiral shell dress, the right-hand member of fastening threaded rod 21 is connected with the left end of fastening knob 22, the left end of fastening threaded rod 21 is hugged closely with the right-hand member of regulating plate 20; through the extension length of regulating plate in the upside of locating piece, can change the air-out area of outlet duct output, under the condition that fan subassembly power did not change promptly, the output area of outlet duct has been changed, then can directly change the wind speed of outlet duct, then can realize selecting the wind speed of outlet duct according to the pig feed ingredient of different grade type this moment, in order to reach the process of the tiny weeds of getting rid of and the leaf of comparatively ideal, after the position of regulating plate finishes adjusting, screw the fastening threaded rod in the fastening threaded hole of locating piece through the fastening knob and can be spacing at the current position with the regulating plate, thereby the use limitation has been reduced.

The utility model discloses a pig feed production raw materials multistage sieving mechanism, still include filter 23, the right-hand member of filter 23 is provided with draw-in groove 24, draw-in groove 24 and the left region fastening of fan subassembly 13 clamp, the left end of draw-in groove 24 runs through and is provided with the filtration pore, is provided with filter screen 25 on the filtration pore; the filter screen through the filter has reduced the fan subassembly and has blown the probability that contains more dust in the air to pig feed ingredient through the outlet duct, has further reduced the influence to pig feed ingredient quality to the practicality has been strengthened.

The utility model discloses a pig feed production raw materials multistage sieving mechanism, still include switch plate 26, the right-hand member of the filter tank 11 of rose box 4 communicates and is provided with U type clearance hole 27, the front end and the rear end of U type clearance hole 27 communicate respectively and are provided with two sets of spacing grooves 29, the front end and the rear end of switch plate 26 slide with two sets of spacing grooves 29 respectively and clamp, the top of two sets of spacing grooves 29 all communicates and is provided with the inserted hole; through extracting the switch board subassembly at two sets of spacing inslots, can clear up the filter-tank of rose box through U type clearance pore pair for this cleaning work is more convenient, thereby has strengthened the practicality.

The utility model discloses a multistage screening plant of pig feed production raw materials, still include two sets of guard plates 28, the bottom of two sets of guard plates 28 is connected with the right-hand member front side and the rear side of guide plate 16 respectively; pig feed raw materials on the guide plate are protected through the two groups of protection plates, the probability that the pig feed raw materials slide down on the side face of the guide plate is reduced, and therefore reliability is enhanced.

The multi-stage screening device for the raw materials for pig feed production of the utility model also comprises a control rod 30, wherein the top end of the control rod 30 is connected with the middle part of the bottom end of the adjusting plate 20; the adjusting plate is more convenient to adjust through the control rod, so that the practicability is enhanced.

The multi-stage screening device for the raw materials for pig feed production of the utility model also comprises a lifting handle 31, wherein the left end of the lifting handle 31 is connected with the top of the right end of the switch plate 26; the adjustment of the switch board is more convenient and faster by lifting the handle, thereby enhancing the practicability.

The utility model discloses a pig feed production raw materials multistage screening device still includes the board 32 that gathers dust, and the left part regional front end and the rear end of the board 32 that gathers dust are connected with the inner top of two sets of landing legs on the left side respectively, and the top of the board 32 that gathers dust is provided with the groove of gathering dust, and the left end intercommunication of the groove of gathering dust is provided with the cleaning mouth, and the groove of gathering dust is located under the multiunit dust removal hole 9 of vibrating plate subassembly 3; the dust collecting groove through the dust collecting plate collects dust particles falling from the multiple groups of dust removing holes of the vibrating plate component, so that the amount of the dust particles diffused into the air is reduced, and the dust particle collection work is more convenient on the other hand, thereby enhancing the practicability.

The utility model discloses a pig feed production raw materials multistage sieving mechanism, it is at work, at first start two sets of vibrating motor and make two sets of vibrating motor drive vibrating plate subassembly and rose box synchronous oscillation, then add pig feed raw materials to the rose box of rose box, under the vibration of rose box, pig feed raw materials can pass the large pore screen and drop to the vibrating trough of vibrating plate subassembly, and weeds, leaves and other impurities in pig feed raw materials are filtered in the rose box by the large pore screen, under the vibration of vibrating plate subassembly, pig feed raw materials can slide down in the vibrating trough, and drop to the collecting vat of collecting box through the blanking mouth, and dust particles in pig feed raw materials drop from pig feed raw materials under the vibration of the vibrating trough and pass multiunit dust removal hole and drop to the downside of vibrating plate subassembly, after the vibrating plate subassembly removes dust to pig feed raw materials, at the moment, the pig feed raw materials are continuously vibrated in the vibration groove of the vibration plate component along with the vibration groove, the pig feed raw materials are discharged out of the vibration groove through the blanking port, then the pig feed raw materials fall on the guide plate, after the guide plate changes the falling direction of the pig feed raw materials, the pig feed raw materials slide from the bottom end of the guide plate, at the moment, the output end of the fan assembly horizontally blows air to the right through the matching of the air blowing cover and the air outlet pipe, then when the falling pig feed raw materials pass through the air blowing part of the air outlet pipe, fine weeds and leaves in the pig feed raw materials are blown out of the pig feed raw materials due to light weight, and the dust particles which are not thoroughly removed in the pig feed raw materials can also be blown away from the pig feed raw materials, the pig feed raw materials from which the fine weeds and the leaves are finally removed continuously fall into the collecting box, and the fine weeds and the leaves are blown to the right area of the collecting box.

The terms "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A pig feed production raw material multi-stage screening device comprises a support (1), four groups of buffer springs (2), a vibrating plate assembly (3), a filter box (4) and a collecting box (5), wherein the bottom end of the support (1) is provided with four groups of supporting legs (6), the bottom ends of the four groups of buffer springs (2) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the support (1), the top ends of the four groups of buffer springs (2) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the vibrating plate assembly (3), the front end and the rear end of the vibrating plate assembly (3) are provided with two groups of vibrating motors (7), the top end of the vibrating plate assembly (3) is provided with a vibrating groove (8), the bottom end of the vibrating groove (8) is provided with a plurality of ash removing holes (9) in a penetrating manner, the right end, the bottom end of the mounting frame (10) is connected with the left side of the top end of the vibrating plate component (3), the top end of the filter box (4) is provided with a filter tank (11), the bottom end of the filter tank (11) is provided with a large-hole screen (12) in a penetrating manner, and the top end of the collecting box (5) is provided with a collecting tank; the vibration plate is characterized by further comprising a fan assembly (13), a blowing cover (14), an air outlet pipe (15), a guide plate (16), a fixing frame (17) and a mounting plate (18), wherein the front end and the rear end of the mounting plate (18) are respectively connected with the middle upper part of the inner ends of two groups of supporting legs on the right side, the bottom end of the fan assembly (13) is connected with the middle part of the top end of the mounting plate (18), the left end of the blowing cover (14) is provided with a flow hole in a penetrating manner, the left end of the blowing cover (14) is connected with the right end of the fan assembly (13), the flow hole is hermetically communicated with the right output end of the fan assembly (13), the left end of the air outlet pipe (15) is communicated with the right output end of the flow hole, the left end and the right end of the fixing frame (17) are respectively connected with the middle part of the right end of the support (1) and the middle part of the left end of the guide plate, the bottom region of the flow deflector (16) is located directly above the collecting trough of the collecting tank (5).

2. The multistage screening device of pig feed production raw materials of claim 1, characterized in that, still include locating piece (19), regulating plate (20), fastening threaded rod (21) and fastening knob (22), the left end of locating piece (19) is connected with the right-hand member bottom region of outlet duct (15), the top of locating piece (19) runs through and is provided with the regulation slide opening, the regulation slide opening slides and clamps with regulating plate (20), the right-hand member intercommunication of adjusting the slide opening is provided with the fastening screw hole, the fastening screw hole is adorned with fastening threaded rod (21) spiral shell, the right-hand member of fastening threaded rod (21) is connected with the left end of fastening knob (22), the left end of fastening threaded rod (21) is hugged closely with the right-hand member of regulating plate (20).

3. The multistage screening device of pig feed production raw materials according to claim 2, characterized in that, further comprises a filter plate (23), the right end of the filter plate (23) is provided with a clamping groove (24), the clamping groove (24) is fastened and clamped with the left region of the fan component (13), the left end of the clamping groove (24) is provided with a filter hole in a penetrating way, and the filter hole is provided with a filter screen (25).

4. The multistage screening device of pig feed production raw materials of claim 3, characterized in that, still includes switch board (26), the right-hand member of filter tank (11) of filter box (4) communicates and is provided with U type clearance hole (27), the front end and the rear end of U type clearance hole (27) communicate respectively and are provided with two sets of spacing grooves (29), the front end and the rear end of switch board (26) slide with two sets of spacing grooves (29) respectively and clamp, the top of two sets of spacing grooves (29) all communicates and is provided with the inserted hole.

5. The multistage screening device of pig feed production raw materials of claim 4, characterized in that still includes two sets of guard plates (28), the bottom of two sets of guard plates (28) is connected with the right-hand member front side and the rear side of guide plate (16) respectively.

6. The multi-stage screening apparatus for pig feed production raw materials according to claim 5, further comprising a control rod (30), wherein the top end of the control rod (30) is connected with the middle part of the bottom end of the adjusting plate (20).

7. The multi-stage screening device for pig feed production raw materials according to claim 6, characterized by further comprising a lifting handle (31), wherein the left end of the lifting handle (31) is connected with the top of the right end of the switch plate (26).

8. The pig feed production raw material multistage screening device of claim 7, characterized by further comprising a dust collection plate (32), wherein the front end and the rear end of the left area of the dust collection plate (32) are respectively connected with the tops of the inner ends of the left two groups of supporting legs, the top end of the dust collection plate (32) is provided with a dust collection groove, the left end of the dust collection groove is communicated with a cleaning port, and the dust collection groove is located right below the multiple groups of dust removal holes (9) of the vibrating plate assembly (3).