CN219377925U - Vibration screening device for cleaning paddy - Google Patents

Abstract

The utility model provides a vibration screening device for cleaning rice, which comprises a frame, wherein a screening box is arranged on the frame, two screening components are arranged in the screening box, each screening component comprises a screen plate and a baffle plate arranged below the screen plate, the screen plate is fixed in the screening box and movably arranged on the screening box, the screen plate is provided with a plurality of screen holes, a plurality of passing holes are arranged on the baffle plate at intervals and are aligned with the screen holes one by one or are staggered with the screen holes, when the passing holes are staggered with the screen holes, part or all of the baffle plates block the screen holes, a slotting and adjusting component is arranged on the screening box, part of the baffle plate penetrates through the slotting and stretches out of the screening box, the part of the baffle plate stretching out of the screening box is in transmission connection with the adjusting component, and the adjusting component drives the baffle plate to stretch out of or retract into the screening box along the slotting. The utility model solves the technical problems of complicated screening particle size adjustment operation and low efficiency of the existing rice screening device, and has the technical effect that the screening particle size of the vibration screening device for cleaning rice can be adjusted without changing a screen plate.

Description

Vibration screening device for cleaning paddy

Technical Field

The utility model relates to the technical field of rice processing, in particular to a vibration screening device for cleaning rice.

Background

During harvesting and threshing, the rice is often mixed with stones, weeds, dust, rice straw, incomplete threshing of rice ears, rice awns and other impurities, and the rice is required to be screened before being processed so as to remove the impurities.

The utility model patent of China with the publication number of CN209189250U discloses a paddy cleaner convenient for replacing a screen, which comprises a frame, a rectangular fixed frame fixed at the upper end of the frame and a vibrating screen shell arranged on the inner side above the frame and parallel to the rectangular fixed frame, wherein two side walls of the vibrating screen shell are fixedly connected with inner side walls at two ends of the rectangular fixed frame through a group of elastic connecting ribs, a vibrating motor is fixedly arranged on the bottom surface of the vibrating screen shell, a feeding hopper is superposed at one end of the rectangular fixed frame at a high position, connecting seats are fixedly connected to two sides of the bottom surface of the rear end of the feeding hopper, the connecting seats are hinged on the rectangular fixed frame, two side walls of the front end of the feeding hopper are detachably fixed on the rectangular fixed frame, the front end of the feeding hopper is positioned above the vibrating screen shell, the front end of the feeding hopper is positioned at the front side of the rear end of the vibrating screen shell, and a feeding inlet is further formed in the lower side of the front end of the feeding hopper; the feeder hopper lower extreme still fixedly connected with cover that induced drafts, and the cover that induced drafts inlet scoop is located under the feed inlet, induced drafts cover rear end has the fan through flexible tuber pipe intercommunication, and fan fixed connection is on the lower fixed plate of frame lower extreme, still fixedly connected with backup pad between the inner wall top of shale shaker shell both sides, and the superpose has the sieve in the backup pad, the sieve is less than the shale shaker shell top surface on, and still be provided with pretension mechanism between sieve and the backup pad, the shale shaker shell is located the space formation storage room of sieve below, and be provided with the waste material outlet on the shale shaker shell upper end lateral wall, the shale shaker shell front end below still is provided with the discharge gate, and the discharge gate communicates in the storage room of shale shaker shell below. When the rice cleaning machine convenient for replacing the screen cloth needs to replace the screen plate, the locking screw between the locking arms at the lower ends of the two side walls of the front end of the feeding hopper and the rectangular fixing frame is unscrewed, and then the feeding hopper is turned up, so that the rear end of the feeding hopper rotates to a vertical state along the rectangular fixing frame, and then the locking screw sleeve which is extruded on the fixing sheet is unscrewed, so that the screen plate can be easily taken out from the vibrating screen shell, and the whole process is convenient and fast.

The grain cleaner convenient for replacing the screen mesh disclosed in the above patent of the utility model adjusts the grain size of the screen plate screening by replacing the screen plates with screen holes of different sizes, a plurality of threaded connectors are required to be unscrewed in the process of taking down the screen plate, and the unscrewed threaded connectors are required to be re-screwed when a new screen plate is installed, so that the operation is complicated and the efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a vibration screening device for cleaning rice, which solves the problems of complicated screening particle size adjustment operation and low efficiency of the rice screening device in the prior art.

According to the embodiment of the utility model, the vibration screening device for cleaning rice comprises a frame, wherein a screening box is arranged on the frame, two screening assemblies are arranged in the screening box at intervals along the vertical direction, the space in the screening box is divided into three chambers along the vertical direction by the two screening assemblies, and one end of the screening box is provided with three discharge holes which are correspondingly communicated with the three chambers one by one; the screening subassembly includes the sieve and sets up the baffle of sieve below, the sieve is fixed in screening case and the baffle is portable to be set up on screening case, the sieve has a plurality of sieve meshes, the interval is equipped with a plurality of material passing holes on the baffle and passes the material passing hole and with the crisscross setting of sieve mesh one-to-one or with the sieve mesh, baffle part or whole block the sieve mesh when passing the material passing hole and the sieve mesh is crisscross, be equipped with fluting and adjusting part on the screening case, partial baffle passes the fluting and stretches out screening case and the baffle stretches out screening case the part and adjusting part transmission is connected, adjusting part drives the baffle and stretches out or retract screening case along the fluting.

Further, the screen assembly further comprises a mounting bracket, the mounting bracket is fixed on the inner wall of the screen box, the screen plate is fixed on the mounting bracket, and the baffle is movably arranged on the mounting bracket.

Further, the mounting bracket is provided with a guide groove, the length direction of the guide groove is consistent with the moving direction of the baffle, and the baffle is provided with a protruding part matched with the guide groove.

Further, the adjusting component comprises a screw rod rotatably arranged on the screening box, the axial direction of the screw rod is consistent with the moving direction of the baffle, one end of the baffle, which extends out of the slot, is provided with a sliding block, the sliding block is sleeved on the screw rod, and the sliding block is provided with a threaded hole matched with the screw rod.

Further, the adjusting component further comprises a mounting seat fixed on the screening box, the mounting seat is provided with a sliding groove matched with the sliding block, and the screw rod is arranged in the sliding groove, and the two opposite ends of the screw rod are respectively connected with the mounting seat in a rotating way.

Further, the adjusting assembly further comprises an adjusting hand wheel, and the adjusting hand wheel is fixedly connected with one end of the screw rod.

Further, the screening box further comprises a vibrating motor, and the vibrating motor is fixed on the screening box.

Further, a plurality of support rods are arranged on the screening box at intervals, support seats matched with the support rods are arranged on the frame, springs are sleeved on the support rods, and two opposite ends of the springs in the telescopic direction are respectively abutted to the screening box and the support seats.

Further, the device further comprises a feeding hopper, wherein the feeding hopper is arranged on the screening box, a feeding hole matched with the feeding hopper is formed in the screening box, and the feeding hole is communicated with the uppermost cavity in the vertical direction.

Further, the automatic feeding device also comprises three discharging hoppers, wherein the three discharging hoppers are matched with the three discharging holes in a one-to-one correspondence mode, and the conveying directions of the three discharging hoppers are different from each other.

Compared with the prior art, the utility model has the following beneficial effects: through having adopted two screening subassemblies of interval setting in screening case to pouring into the corn in the screening case and sieving, screening subassembly is including the sieve that has the sieve mesh and have the baffle in overfeeding hole, partial baffle passes the fluting on the screening case and stretches out outside the screening case and be connected with the regulation subassembly transmission, it can adjust the relative position of baffle and sieve to order about screening subassembly removal through the regulation subassembly, thereby change the area that the sieve mesh was blockked by the baffle, in order to realize adjusting the particle diameter of the granule that can pass the sieve mesh, and the screening subassembly that is located the top screens the impurity of large diameter, the screening subassembly that is located the below screens the impurity of small diameter, adjust the position of baffle to the back with the corn that needs to clear up in pouring into the screening case, can make the impurity of large granule stay in the cavity of top, the impurity of small granule then gets into the cavity of below, and the corn then stays the cavity in the centre, the impurity in three discharge gate on the screening case is followed respectively to the impurity in the corn separates from the corn, it has been solved the loaded down with trivial details operation of the screening device of screening, and has produced the low operation efficiency and has adjusted the efficiency, the technology that can be adjusted the efficiency is high to the technology, the vibration adjustment device is used to the screen.

Drawings

FIG. 1 is a schematic view of a vibrating screen device for cleaning rice according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a vibratory screening apparatus for cleaning rice in accordance with an embodiment of the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic view showing the structure of a screen assembly and a conditioning assembly in a vibratory screening apparatus for cleaning rice in accordance with an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a screen assembly and conditioning assembly of a vibratory screening apparatus for cleaning rice in accordance with one embodiment of the present utility model;

fig. 6 is a cross-sectional view of another cross-section of a screen assembly and a conditioning assembly in a vibratory screening apparatus for cleaning rice in accordance with an embodiment of the present utility model.

In the above figures: 1. a frame; 11. a support base; 2. a screening box; 21. a chamber; 22. a discharge port; 23. a support rod; 24. a feed inlet; 25. an observation window; 3. a screen assembly; 31. a sieve plate; 32. a baffle; 33. a sieve pore; 34. a material passing hole; 35. a mounting bracket; 36. a guide groove; 37. a protruding portion; 38. a slide block; 4. an adjustment assembly; 41. a screw rod; 42. a mounting base; 43. a chute; 44. an adjusting hand wheel; 5. a vibration motor; 6. a spring; 7. feeding a hopper; 8. and (5) discharging a hopper.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 6, the embodiment of the utility model provides a vibration screening device for cleaning rice, which is used for removing stones, weeds, dust, rice straw, incomplete threshing rice ears, awns and other impurities mixed in the rice so as to clean the rice before the rice is processed.

Referring to fig. 1, 2 and 4, the vibration screening device for cleaning paddy comprises a frame 1, a screening box 2 is arranged on the frame 1, two screening assemblies 3 are arranged in the screening box 2 along a vertical direction at intervals, the two screening assemblies 3 divide a space in the screening box 2 into three chambers 21 along the vertical direction, one end of the screening box 2 is provided with three discharge ports 22, and the three discharge ports 22 are correspondingly communicated with the three chambers 21 one by one. Wherein the upper screening assembly 3 is used for separating large-grain impurities from rice, the lower screening assembly 3 is used for separating small-grain impurities from rice, after the rice to be screened is poured into the screening box 2, the rice and the small-grain impurities pass through the upper screening assembly 3 to leave the large-grain impurities in the uppermost chamber 21, the rice and the small-grain impurities pass through the lower screening assembly 3 after falling on the lower screening assembly 3, at the moment, the small-grain impurities enter the lowermost chamber 21 and the rice is left in the middle chamber 21, and the separated rice, the large-grain impurities and the small-grain impurities are discharged from the three discharging holes 22 respectively, so that the separation of the rice and the impurities is realized.

Specifically, the screen assembly 3 includes a screen plate 31 and a baffle plate 32 disposed below the screen plate 31, wherein the screen plate 31 is fixed in the screening box 2 and the baffle plate 32 is movably disposed on the screening box 2, the screen plate 31 has a plurality of screen holes 33, a plurality of passing holes 34 are disposed on the baffle plate 32 at intervals, the passing holes 34 are aligned with the screen holes 33 one by one or are staggered with the screen holes 33, when the passing holes 34 are staggered with the screen holes 33, the baffle plate 32 partially or completely blocks the screen holes 33, and further, by moving the baffle plate 32, the opening degree of the screen holes 33 can be changed, and the larger the area of the screen holes 33 blocked by the baffle plate 32 is, the smaller the opening degree of the screen holes 33 is, the larger the particle size of particles capable of passing through the screen holes 33 is, whereas the smaller the area of the passing holes 33 is, the larger the area of the screen holes 32 is, the particles capable of passing through the screen holes 33 are blocked, and the particle size of the screen holes 33 is changed, thereby the screen holes 33 can be changed, and the particles can pass through the screen holes 31. Still be equipped with fluting and adjusting part 4 on the screening case 2, the fluting supplies baffle 32 passes screening case 2 and part baffle 32 follows the fluting stretches out outside the screening case 2, baffle 32 expose in screening case 2 the part with adjusting part 4 transmission is connected, adjusting part 4 are used for driving baffle 32 follows the fluting stretches out outside the screening case 2 or withdraw in the screening case 2, through the operation adjusting part 4 can remove baffle 32 promptly the screening particle diameter of screening subassembly 3 is convenient for adjust, simplifies the regulation operation.

As shown in fig. 3, 4 and 5, in this embodiment, the screening assembly 3 further includes a mounting bracket 35, the mounting bracket 35 is fixed on the inner wall of the screening box 2, the screen plate 31 is mounted on the mounting bracket 35 so that the position of the screen plate 31 in the screening box 2 is kept fixed, the baffle plate 32 is movably disposed on the mounting bracket 35, and the baffle plate 32 is supported by the mounting bracket 35 to prevent the baffle plate 32 from being separated from the screen plate 31 when the baffle plate 32 acts. And the screen plate 31 may be fixed on the mounting bracket 35 by using a threaded connection member, so as to ensure reliable connection between the screen plate 31 and the mounting bracket 35.

In detail, the mounting bracket 35 is provided with a guide groove 36, the length direction of the guide groove 36 is consistent with the moving direction of the baffle 32, the guide groove 36 is respectively provided at two opposite sides of the baffle 32, the two opposite sides of the baffle 32 are respectively provided with a protruding portion 37, the protruding portions 37 respectively extend into the guide groove 36, the protruding portions 37 and the guide grooves 36 are correspondingly matched one by one to limit the moving direction of the baffle 32 on the mounting bracket 35, so as to avoid unexpected offset when the baffle 32 moves.

Optionally, the mesh holes 33 and the passing holes 34 are respectively oblong holes, so that spindle-shaped rice can smoothly pass through the mesh holes 33 and the passing holes 34, and the moving direction of the baffle 32 is consistent with the length direction of the oblong holes.

Referring to fig. 4 and 6, the adjusting assembly 4 includes a screw 41 rotatably disposed on the screening box 2, an axial direction of the screw 41 is consistent with a moving direction of the baffle 32, a sliding block 38 is disposed at an end of the baffle 32 extending out of the slot, the sliding block 38 is sleeved on the screw 41, and a threaded hole matched with the screw 41 is disposed on the sliding block 38. The sliding block 38 can be driven to move along the axial direction of the screw rod 41 by rotating the screw rod 41, and the baffle 32 is driven to move by the sliding block 38, so that the opening degree of the sieve holes 33 can be adjusted.

Specifically, the adjusting assembly 4 further includes a mounting seat 42 fixed on the screening box 2, the mounting seat 42 has a sliding groove 43, the screw rod 41 is disposed in the sliding groove 43, opposite ends of the screw rod 41 are respectively rotationally connected with the mounting seat 42, the sliding block 38 is attached to an inner wall of the sliding groove 43, and the sliding groove 43 is used for guiding the sliding block 38 to move, so that the sliding block 38 moves along a preset direction under the driving of the screw rod 41.

Preferably, the adjusting assembly 4 further includes an adjusting hand wheel 44, the adjusting hand wheel 44 is fixedly connected with one end of the screw rod 41, and the screw rod 41 can be conveniently rotated by operating the adjusting hand wheel 44, so that the adjusting assembly 4 is convenient to operate.

As shown in fig. 1, two observation windows 25 are respectively arranged on one side of the screening box 2 along the vertical direction, the two observation windows 25 are respectively communicated with the two chambers 21 located above in a one-to-one correspondence manner, and the two observation windows 25 are respectively used for observing the two screening assemblies 3, so that an operator can intuitively see and adjust the opening degrees of the screening holes 33. And transparent plates are respectively arranged at the openings of the observation windows 25 to prevent rice or impurities in the screening box 2 from leaking from the observation windows 25.

As shown in fig. 1 and 2, the vibration screening device for cleaning rice further includes a vibration motor 5, the vibration motor 5 is fixed on the screening box 2, and when the vibration motor 5 is started, the screening box 2 can be driven to vibrate, and the rice poured into the screening box 2 can jump on the screening assembly 3, so that the screening assembly 3 can sufficiently screen the rice.

Specifically, a plurality of support rods 23 are arranged on the screening box 2 at intervals, the frame 1 is provided with support seats 11 matched with the support rods 23 in a one-to-one correspondence manner, the support seats 11 are provided with mounting holes for the support rods 23 to be inserted, the support rods 23 are sleeved with springs 6, and opposite ends of the springs 6 in the extending and retracting direction are respectively abutted to the screening box 2 and the support seats 11. When the screening box 2 vibrates under the driving of the vibrating motor 5, the spring 6 stretches and contracts along with the action of the screening box 2 so as to play a role in buffering, prevent the vibration generated by the frame 1 from leading to shaking of the vibration screening device for cleaning the paddy, and facilitate the maintenance of the vibration screening device for cleaning the paddy stable in the operation process.

As shown in fig. 2, the vibration screening device for cleaning rice further comprises a feeding hopper 7, wherein the feeding hopper 7 is arranged on the screening box 2, a feeding port 24 communicated with the feeding hopper 7 is arranged on the screening box 2, and the feeding port 24 penetrates through the screening box 2 and is communicated with the cavity 21 positioned at the uppermost part in the vertical direction. The feeding hopper 7 is used for guiding the rice to be screened into the screening box 2 so as to feed the rice cleaning vibration screening device.

In detail, the vibration screening device for cleaning rice further comprises three hoppers 8, the three hoppers 8 are matched with the three discharge holes 22 in a one-to-one correspondence manner, the hoppers 8 are used for guiding impurities or rice in the chambers 21 to be discharged out of the screening box 2, and the conveying directions of the hoppers 8 are different from each other, namely, the hoppers 8 convey the impurities or rice in the chambers 21 to different positions respectively, so that the separated rice can be collected conveniently and the impurities and the rice can be prevented from being mixed again.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides a vibration screening device is used in corn clearance, includes frame, its characterized in that: the screening box is arranged on the frame, two screening assemblies are arranged in the screening box at intervals along the vertical direction, the space in the screening box is divided into three chambers along the vertical direction by the two screening assemblies, and three discharge ports which are communicated with the three chambers in a one-to-one correspondence manner are arranged at one end of the screening box; the screening subassembly includes the sieve and sets up the baffle of sieve below, the sieve is fixed in screening case and the baffle is portable to be set up on screening case, the sieve has a plurality of sieve meshes, the interval is equipped with a plurality of material passing holes on the baffle and passes the material passing hole and with the crisscross setting of sieve mesh one-to-one or with the sieve mesh, baffle part or whole block the sieve mesh when passing the material passing hole and the sieve mesh is crisscross, be equipped with fluting and adjusting part on the screening case, partial baffle passes the fluting and stretches out screening case and the baffle stretches out screening case the part and adjusting part transmission is connected, adjusting part drives the baffle and stretches out or retract screening case along the fluting.

2. A vibratory screening apparatus for cleaning rice as recited in claim 1, wherein: the screen assembly also includes a mounting bracket secured to an inner wall of the screen housing, the screen panel secured to the mounting bracket and the baffle movably disposed on the mounting bracket.

3. A vibratory screening apparatus for cleaning rice as recited in claim 2, wherein: the mounting bracket is provided with a guide groove, the length direction of the guide groove is consistent with the moving direction of the baffle, and the baffle is provided with a protruding part matched with the guide groove.

4. A vibratory screening apparatus for cleaning rice as recited in claim 1, wherein: the adjusting component comprises a screw rod rotatably arranged on the screening box, the axial direction of the screw rod is consistent with the moving direction of the baffle, one end of the baffle, which extends out of the slot, is provided with a sliding block, the sliding block is sleeved on the screw rod, and the sliding block is provided with a threaded hole matched with the screw rod.

5. A vibratory screening device for cleaning rice as recited in claim 4, wherein: the adjusting component further comprises a mounting seat fixed on the screening box, the mounting seat is provided with a sliding groove matched with the sliding block, the screw rod is arranged in the sliding groove, and the two opposite ends of the screw rod are respectively connected with the mounting seat in a rotating mode.

6. A vibratory screening device for cleaning rice as recited in claim 4, wherein: the adjusting assembly further comprises an adjusting hand wheel, and the adjusting hand wheel is fixedly connected with one end of the screw rod.

7. A vibratory screening apparatus for cleaning rice as recited in claim 1, wherein: still include vibrating motor, vibrating motor fixes on the screening case.

8. A vibratory screening apparatus for cleaning rice as recited in claim 7, wherein: the screening box is provided with a plurality of supporting rods at intervals, the frame is provided with supporting seats matched with the supporting rods, springs are sleeved on the supporting rods, and the opposite ends of the springs in the telescopic direction are respectively abutted to the screening box and the supporting seats.

9. A vibratory screening apparatus for cleaning rice as recited in claim 1, wherein: still include the feeding funnel, the feeding funnel sets up on the screening case just be equipped with on the screening case with feeding funnel matched with feed inlet, the feed inlet with be located the vertical direction is upper most the cavity intercommunication.

10. A vibratory screening apparatus for cleaning rice as recited in claim 1, wherein: the automatic feeding device also comprises three discharging hoppers, wherein the three discharging hoppers are matched with the three discharging holes in a one-to-one correspondence mode, and the conveying directions of the three discharging hoppers are different from each other.