CN114887873B

CN114887873B - Vibration type blade screening device

Info

Publication number: CN114887873B
Application number: CN202210581089.XA
Authority: CN
Inventors: 张扬; 葛忠国; 梁兵
Original assignee: Fuyang Fengda Mechanical And Electrical Equipment Co ltd
Current assignee: Fuyang Fengda Mechanical And Electrical Equipment Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2023-05-26
Anticipated expiration: 2042-05-25
Also published as: CN114887873A

Abstract

The invention discloses a vibrating vane screening device which comprises a supporting frame, wherein the top of the supporting frame is fixedly connected with a screening box, one side of the screening box is fixedly connected with a sliding bar, the outer surface of the sliding bar is in sliding connection with a driving motor, the section of the sliding bar is in a T-shaped arrangement, supporting plates are arranged on two sides of the screening box and are matched with the positioning plates to slide, a connecting shaft can rotate by matching with the rotation of a rotating motor so as to drive a cam to rotate, the positioning sleeve can vibrate up and down through the contact of the cam and the positioning sleeve, the inner surface of a sliding groove of a limiting assembly slides, the rotation of the driving motor drives the rotation of the positioning sleeve, tobacco shreds in a screening barrel can be rapidly screened, and meanwhile, long-time rotating vibration can completely screen fine materials.

Description

Vibration type blade screening device

Technical Field

The invention relates to the technical field of leaf screening, in particular to a vibration leaf screening device.

Background

The quality of tobacco shreds in the tobacco industry determines the quality of cigarettes, wherein controlling the size of tobacco flakes is one of the important factors for tobacco shred quality assurance, and therefore controlling the size of lamina is an important procedure in the tobacco industry.

Chinese patent discloses a leaf screening and re-cutting device (publication No. CN 113996532A), which sets two screening devices in sequence, collects qualified fine materials screened by the previous screening device, and simultaneously transmits coarse materials which are not qualified and screened by the previous screening device to enter the next screening device to continue screening work after continuous blanking by a blanking device, but the device can possibly screen out fine materials in the screening process, thereby leading to the screening of the coarse materials with leaves with various specifications.

Disclosure of Invention

The invention aims to provide a vibrating type leaf screening device, which is characterized in that supporting plates are arranged on two sides of a screening box, positioning plates are arranged on the supporting plates and slide on the supporting plates in cooperation with the positioning plates, a connecting shaft can rotate by utilizing rotation of a rotating motor so as to drive a cam to rotate, the positioning sleeve can vibrate up and down through contact of the cam and the positioning sleeve, the inner surface of a sliding groove of a limiting assembly slides, the rotation of a driving motor drives the rotation of the positioning sleeve, tobacco leaf shreds in a screening barrel can be rapidly screened, and meanwhile, fine materials can be completely screened out by long-time rotation vibration.

The aim of the invention can be achieved by the following technical scheme:

the utility model provides a vibrations formula blade screening plant, includes the support frame, the top fixedly connected with screening case of support frame, one side fixedly connected with sliding strip of screening case, the surface sliding connection of sliding strip has driving motor, the cross-section of sliding strip is T font setting, the equal fixedly connected with backup pad in both sides at screening case top, two the top fixedly connected with locating plate of backup pad, two the sliding tray has all been seted up in one side of locating plate, two the equal sliding connection of internal surface of sliding tray has spacing subassembly, two the equal rotation of internal surface of spacing subassembly is connected with the axis of rotation, two the equal fixedly connected with spacer sleeve of the one end that the axis of rotation is relative, two be provided with the screening bucket between the spacer sleeve, the surface of screening bucket articulates there is the feeding otter board, one side fixedly connected with of screening case rotates the motor, the output fixedly connected with connecting axle of rotation motor, the one end of connecting axle runs through the screening case and extends to the inside of screening case, the equal fixedly connected with cam in both sides of screening case surface

As a further scheme of the invention: the top of locating plate runs through and has offered the perforation, the top fixedly connected with connecting block of locating plate, the slip chamber has been seted up to the inside of connecting block, the top fixedly connected with top power spring of slip chamber inner chamber, the bottom fixedly connected with push rod of top power spring, the bottom and the surface fixed connection of spacing subassembly of push rod.

As a further scheme of the invention: the outer surface of the connecting shaft is fixedly connected with a sleeve, and the outer surface of the sleeve is fixedly connected with bristles.

As a further scheme of the invention: the inside fixedly connected with filler of screening case, the thing chamber of putting has been run through to one side of filler, the bottom of screening case inner chamber just is located the inside of putting the thing chamber and runs through and be provided with the blanking pipe.

As a further scheme of the invention: the inside fixedly connected with of support frame receives the workbin, the top of screening case articulates there is the closing cap.

As a further scheme of the invention: two one sides of the locating sleeve are fixedly connected with sliding cylinders, two opposite sides of the sliding cylinders are provided with pulling cavities, connecting columns are connected between the inner surfaces of the pulling cavities in a sliding mode, a plurality of anti-rotation grooves are formed in the inner surfaces of the pulling cavities, and a plurality of anti-rotation strips are fixedly connected to the outer surfaces of the connecting columns.

As a further scheme of the invention: the outer surface of the anti-rotation strip is matched with the inner surface of the anti-rotation groove.

As a further scheme of the invention: the limiting assembly comprises a limiting cavity positioned in the rotating shaft and a limiting sleeve positioned on the outer surface of the rotating shaft, a limiting ring groove is formed in the inner surface of the limiting sleeve, limiting beads are arranged on two sides of the inner surface of the limiting cavity, a limiting spring is fixedly connected between two opposite sides of the limiting beads, and the outer surface of the limiting beads is in sliding connection with the outer surface of the limiting ring groove.

The invention has the beneficial effects that:

(1) According to the invention, the supporting plates are arranged on two sides of the screening box, the positioning plates are arranged on the supporting plates and matched with the positioning plates to slide, the connecting shaft can rotate by utilizing the rotation of the rotating motor, so that the cam is driven to rotate, the positioning sleeve can vibrate up and down through the contact of the cam and the positioning sleeve, the inner surface of the sliding groove of the limiting assembly slides, the rotation of the driving motor drives the positioning sleeve to rotate, tobacco shreds in the screening barrel can be rapidly screened, and meanwhile, fine materials can be screened out through long-time rotation of the rotating motor.

(2) According to the invention, the bristles are arranged on the outer surface of the sleeve, and when the outer surface of the connecting shaft rotates, the bristles can rotate with the outer surface of the screening barrel, so that screening of tobacco shreds is further quickened, meanwhile, the connecting block is arranged at the top of the positioning plate, and damage caused by vibration can be reduced by utilizing the push rod and the top force spring in the connecting block, so that the service life of the tobacco shred screening machine is prolonged.

(3) According to the invention, the two sliding drums are arranged between the two positioning sleeves, the screening barrel is positioned on the positioning sleeves by matching with the thrust spring and the connecting column, the rotating shaft can be taken down from the positioning plate by matching with the limiting spring and the limiting bead in the limiting assembly, the positioning sleeve on the right side can be taken down by matching with the connecting column between the two sliding drums, and then the screening barrel is taken down.

Drawings

The invention is further described below with reference to the accompanying drawings.

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

FIG. 2 is a side view of the overall external structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the screening box of the present invention;

FIG. 4 is an enlarged view of the structure of portion A of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic view of the internal structure of the positioning sleeve according to the present invention;

FIG. 6 is a schematic view of the internal structure of the sliding cylinder of the present invention;

fig. 7 is an enlarged view of the structure of the portion B in fig. 5 according to the present invention.

In the figure: 1. a support frame; 2. a screening box; 3. a sliding bar; 4. a driving motor; 5. a support plate; 6. a positioning plate; 7. a cam; 8. a positioning sleeve; 9. screening barrels; 10. a feed screen; 11. a rotating motor; 12. a rotating shaft; 13. a sliding groove; 14. a limit component; 141. a limit sleeve; 142. a spacing cavity; 143. a limit spring; 144. limiting beads; 145. a limit ring groove; 15. a sleeve; 16. brushing; 17. filling blocks; 18. a storage cavity; 19. a blanking pipe; 20. a push rod; 21. a connecting block; 22. a through hole; 23. a sliding chamber; 24. a top force spring; 25. a material receiving box; 26. a cover; 27. a sliding cylinder; 28. pulling the cavity; 29. a thrust spring; 30. a connecting column; 31. an anti-rotation bar; 32. anti-rotation groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.

Referring to fig. 1-7, the present invention is a vibrating vane screening device, including a supporting frame 1, the top of the supporting frame 1 is fixedly connected with a screening box 2, one side of the screening box 2 is fixedly connected with a sliding strip 3, a positioning sleeve 8 is vibrated, a driving motor 4 slides on the surface of the sliding strip 3, the outer surface of the sliding strip 3 is slidably connected with the driving motor 4, the driving motor 4 is electrically connected with an external power supply, the section of the sliding strip 3 is in a T-shaped arrangement, two sides of the top of the screening box 2 are fixedly connected with a supporting plate 5, the tops of the two supporting plates 5 are fixedly connected with a positioning plate 6, one sides of the two positioning plates 6 are penetrated and provided with sliding grooves 13, the inner surfaces of the two sliding grooves 13 are slidably connected with a limiting component 14, the inner surfaces of the two limiting components 14 are rotatably connected with a rotating shaft 12, the two opposite ends of the rotating shaft 12 are fixedly connected with the locating sleeves 8, the screening barrels 9 are arranged between the two locating sleeves 8, the locating sleeves 8 and the screening barrels 9 are connected through bolts, when the bolts are removed, sliding can occur between the surfaces of the screening barrels 9 and the locating sleeves 8, the outer surface of the screening barrel 9 is hinged with the feeding screen plate 10, one side of the screening box 2 is fixedly connected with the rotating motor 11, the rotating motor 11 is electrically connected with an external power supply, the output end of the rotating motor 11 is fixedly connected with a connecting shaft, one end of the connecting shaft penetrates through the screening box 2 and extends to the inside of the screening box 2, two sides of the surface of the screening box 2 are fixedly connected with the cams 7, because the cams 7 are positioned below the two locating sleeves 8, when the cams 7 rotate, the locating sleeves 8 can be jacked up, make spacer sleeve 8 drive screening bucket 9 shake to make the tobacco leaf silk in the screening bucket 9 vibrate, make the quick vibrations of tobacco leaf silk, through set up backup pad 5 in screening case 2's both sides, and set up locating plate 6 on backup pad 5, cooperation locating plate 6 is gone up and is slided, the rotation that the rethread rotated motor 11 can make the connecting axle rotate, thereby drive cam 7 and rotate, contact through cam 7 and spacer sleeve 8 can make spacer sleeve 8 vibrate from top to bottom, and spacing subassembly 14 slide the internal surface of 13 again, and drive motor 4's rotation drives spacer sleeve 8's rotation, make the tobacco leaf silk in the screening bucket 9 carry out quick screening, long-time rotation can be with the whole screening of fine materials simultaneously.

The top of locating plate 6 runs through and has offered perforation 22, the top fixedly connected with connecting block 21 of locating plate 6, sliding chamber 23 has been seted up to the inside of connecting block 21, the top fixedly connected with top power spring 24 of sliding chamber 23 inner chamber, the bottom fixedly connected with push rod 20 of top power spring 24, the bottom and the surface fixed connection of spacing subassembly 14 of push rod 20 through setting up brush hair 16 at sleeve 15's surface, when the surface of connecting axle rotates, can rotate with the surface of screening bucket 9, further quickens the screening of tobacco leaf silk, sets up connecting block 21 at the top of locating plate 6 simultaneously, utilizes push rod 20 and top power spring 24 in the connecting block 21, can reduce the harm that vibrations brought to improve its life.

The outer surface fixedly connected with sleeve 15 of connecting axle, the surface fixedly connected with brush hair 16 of sleeve 15 through setting up brush hair 16, can make screening bucket 9 rotate the time, brushes down the blade on the screening bucket 9, prevents that the blade from blockking up screening bucket 9.

The inside fixedly connected with filler 17 of screening case 2, the thing chamber 18 has been seted up in the one side of filler 17 run through, the bottom of screening case 2 inner chamber just is located the inside of putting the thing chamber 18 and runs through and be provided with blanking pipe 19.

The inside fixedly connected with of support frame 1 receives workbin 25, screening case 2's top articulates there is closing cap 26.

Two the equal fixedly connected with slide tube 27 in one side of spacer sleeve 8, two the pulling chamber 28 has all been seted up to one side that slide tube 27 is relative, one side fixedly connected with thrust spring 29 in the pulling chamber 28 inner wall, two sliding connection has spliced pole 30 between the internal surface in pulling chamber 28, a plurality of anti-rotation groove 32 has been seted up to the internal surface in pulling chamber 28, the surface fixedly connected with a plurality of anti-rotation strip 31 of spliced pole 30, the surface of anti-rotation strip 31 and the internal surface looks adaptation of anti-rotation groove 32, through set up two slide tube 27 between two spacer sleeves 8, cooperation thrust spring 29 and spliced pole 30 can make screening bucket 9 be located spacer sleeve 8, and through spacing spring 143 and spacing pearl 144 in this structure cooperation spacing subassembly 14, can take off axis of rotation 12 from locating plate 6, cooperate spliced pole 30 between two slide tube 27, can take off spacer sleeve 8 on the right side, and then take off screening bucket 9, and this structure is convenient with great tobacco leaf take out, further improves its practicality.

The limiting assembly 14 comprises a limiting cavity 142 positioned in the rotating shaft 12 and a limiting sleeve 141 positioned on the outer surface of the rotating shaft 12, a limiting ring groove 145 is formed in the inner surface of the limiting sleeve 141, limiting beads 144 are arranged on two sides of the inner surface of the limiting cavity 142, a limiting spring 143 is fixedly connected between two opposite sides of the limiting beads 144, and the outer surface of the limiting beads 144 is slidably connected with the outer surface of the limiting ring groove 145.

The working principle of the invention is as follows: firstly, the feeding screen 10 and the sealing cover 26 are opened, crushed tobacco leaves are led into the upper part of the filling block 17, then the feeding screen 10 is rotated, the feeding screen 10 is positioned on one side with the tobacco leaves, the tobacco leaves fall into the screening barrel 9 at the moment, then the feeding screen 10 and the sealing cover 26 are closed, at the moment, the driving motor 4 and the rotating motor 11 are started, the rotation of the driving motor 4 drives the rotating shaft 12 to rotate, the positioning sleeve 8 is further driven to rotate, the screening barrel 9 is driven to rotate, so that tobacco leaves are rotated, at the moment, smaller and finer tobacco leaves can pass through the aperture of the screening barrel 9 from the upper part and fall into the storage cavity 18, fall into the material receiving box 25 through the blanking pipe 19 to be collected, the rotation of the rotating motor 11 drives the connecting shaft to rotate, the cam 7 is further driven to rotate, the cam 7 is positioned below the two positioning sleeves 8, so that the positioning sleeve 8 drives the screening barrel 9 to vibrate, tobacco shreds in the screening barrel 9 vibrate, tobacco shreds vibrate rapidly, bristles 16 on the sleeve 15 are contacted with the outer surface of the screening barrel 9, so that tobacco shreds fall down rapidly, when the positioning sleeve 8 vibrates, the rotating shaft 12 on the positioning sleeve 8 drives the limiting assembly 14 to slide up and down on the inner surface of the sliding groove 13, the push rod 20 on the limiting assembly 14 slides on the inner surface of the through hole 22 and the inner surface of the sliding cavity 23, under the action of the pushing force spring 24, the rotating shaft 12 is prevented from vibrating rigidly, the service life of the screening barrel is reduced, after screening is completed, bolts between the positioning sleeve 8 and the screening barrel 9 are disassembled, the positioning sleeve 8 on the right side is pushed, the limiting ring groove 145 in the limiting sleeve 141 pushes the limiting beads 144, so that the limiting spring 143 is compressed, the locating sleeve 8 and the screening barrel 9 slide, the connecting column 30 and the anti-rotation bar 31 slide on the outer surfaces of the pulling cavity 28 and the anti-rotation groove 32 respectively, and further the two thrust springs 29 are compressed until the rotating shaft 12 is drawn out from the inner surface of the limiting assembly 14, at the moment, the right locating sleeve 8 can be detached, and at the moment, larger tobacco shreds in the screening barrel 9 can be taken out.

The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims

1. The utility model provides a vibrations formula blade screening plant, includes support frame (1), its characterized in that, the top fixedly connected with screening case (2) of support frame (1), one side fixedly connected with sliding strip (3) of screening case (2), the surface sliding connection of sliding strip (3) has driving motor (4), the cross-section of sliding strip (3) is T font setting, the equal fixedly connected with backup pad (5) in both sides at screening case (2) top, two the top fixedly connected with locating plate (6) of backup pad (5), two one side of locating plate (6) has all run through and has seted up sliding groove (13), two the equal sliding connection of internal surface of sliding groove (13) has spacing subassembly (14), two the equal swivelling joint of internal surface of spacing subassembly (14) has axis of rotation (12), two the equal fixedly connected with spacer sleeve (8) of one end opposite of axis of rotation (12), two be provided with between spacer sleeve (8) barrel (9), the surface of screening barrel (9) articulates there is motor feed screen plate (10), one side of locating plate (6) all runs through and has fixed connection of screening case (2) one side (11) to rotate, one end of rotation (2) is connected with screening case (11), cams (7) are fixedly connected to two sides of the surface of the screening box (2);

one side of each positioning sleeve (8) is fixedly connected with a sliding cylinder (27), one side, opposite to each sliding cylinder (27), of each sliding cylinder is provided with a pulling cavity (28), one side of the inner wall of each pulling cavity (28) is fixedly connected with a thrust spring (29), a connecting column (30) is slidably connected between the inner surfaces of the two pulling cavities (28), a plurality of anti-rotation grooves (32) are formed in the inner surfaces of the pulling cavities (28), and a plurality of anti-rotation strips (31) are fixedly connected to the outer surfaces of the connecting columns (30);

the outer surface of the anti-rotation strip (31) is matched with the inner surface of the anti-rotation groove (32);

spacing subassembly (14) are including being located spacing chamber (142) inside axis of rotation (12) and being located stop collar (141) of axis of rotation (12) surface, spacing annular (145) have been seted up to the internal surface of stop collar (141), both sides of spacing chamber (142) internal surface all are provided with spacing pearl (144), two fixedly connected with spacing spring (143) between the opposite one side of spacing pearl (144), the surface and the surface sliding connection of spacing annular (145) of spacing pearl (144).

2. The vibrating leaf screening device according to claim 1, characterized in that the top of the locating plate (6) is provided with a through hole (22) in a penetrating way, the top of the locating plate (6) is fixedly connected with a connecting block (21), a sliding cavity (23) is provided in the connecting block (21), the top of an inner cavity of the sliding cavity (23) is fixedly connected with a top force spring (24), the bottom end of the top force spring (24) is fixedly connected with a push rod (20), and the bottom end of the push rod (20) is fixedly connected with the outer surface of the limiting component (14).

3. A vibrating leaf screening device according to claim 1, characterized in that the outer surface of the connecting shaft is fixedly connected with a sleeve (15), the outer surface of the sleeve (15) being fixedly connected with bristles (16).

4. The vibrating vane screening device according to claim 1, characterized in that a filling block (17) is fixedly connected to the inside of the screening box (2), a storage cavity (18) is formed by penetrating one side of the filling block (17), and a blanking pipe (19) is formed by penetrating the bottom of the inner cavity of the screening box (2) and located in the storage cavity (18).

5. A vibrating leaf screening device according to claim 1, characterized in that the inside of the support frame (1) is fixedly connected with a receiving box (25), the top of the screening box (2) being hinged with a cover (26).