CN112998300A

CN112998300A - Efficient tobacco drying equipment

Info

Publication number: CN112998300A
Application number: CN202110131995.5A
Authority: CN
Inventors: 张正; 周文文
Original assignee: Shanghai Pengfan Trade Service Center
Current assignee: Henan Honghua Complete Equipment Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-06-22
Anticipated expiration: 2041-01-30
Also published as: CN112998300B

Abstract

The invention discloses a high-efficiency tobacco drying device, which relates to the field of tobacco processing, and adopts the technical scheme that a drying cavity and a feeding cavity are respectively arranged in a machine case from left to right, a drying rack capable of moving between the drying cavity and the feeding cavity is arranged in the machine case in a sliding manner, a hot air fan is arranged at the bottom end of the drying cavity, a plurality of uniformly distributed partition plates are arranged in the middle of the drying rack, guide rails are respectively arranged at the front end and the rear end of the inner wall of the machine case, support rods extending into the guide rails and rollers arranged on the support rods are respectively arranged at the front end and the rear end of the drying rack, support grooves positioned at the two ends of the drying cavity are respectively arranged in the machine case, support frames with the top ends contacting with the bottom end of the drying rack are arranged in the support grooves in a sliding manner, a plurality of support springs are arranged between the lower ends of the support frames and, the tobacco amount on the drying rack during the single drying process is automatically controlled.

Description

Efficient tobacco drying equipment

Technical Field

The invention relates to the field of tobacco processing, in particular to high-efficiency tobacco drying equipment.

Background

The means of current stoving pipe tobacco adopts and puts into this internal direct heating stoving case body with the pipe tobacco, stirs this internal pipe tobacco of stoving case when heating stoving case body.

Although the method for drying the tobacco shreds is convenient and effective, the quantity of the tobacco shreds dried at a single time needs to be strictly controlled, otherwise, the tobacco shreds are easy to be excessively dried to cause uneven drying, so that the quality of the tobacco shreds is reduced.

Disclosure of Invention

The invention aims to provide high-efficiency tobacco drying equipment, which has the advantages that a drying rack can move according to the weight change of a stacked tobacco pile and perform a drying process, and the tobacco quantity on the drying rack in a single drying process is automatically controlled.

The technical purpose of the invention is realized by the following technical scheme:

an efficient tobacco drying device comprises a machine case, a drying cavity and a feeding cavity are respectively arranged in the machine case from left to right, a feeding port positioned at the upper end of the feeding cavity is arranged on the machine case, a discharging port connected with the feeding cavity is arranged at the right end of the machine case, a drying rack capable of moving between the drying cavity and the feeding cavity is arranged in the machine case in a sliding manner, a hot air fan is arranged at the bottom end of the drying cavity, a ventilating pipe connected with the drying cavity is arranged at the lower end of the machine case, a plurality of uniformly distributed partition plates are arranged in the middle of the drying rack, guide rails are respectively arranged at the front end and the rear end of the inner wall of the machine case, supporting rods extending into the guide rails and rollers arranged on the supporting rods are respectively arranged at the front end and the rear end of the drying rack, supporting grooves with the top ends contacting with the bottom end of the drying rack are arranged in the, the drying frame is internally provided with a loosening mechanism for loosening tobacco piles to improve the drying efficiency, and a wind shielding mechanism is arranged between the drying cavity and the feeding cavity.

Through adopting above-mentioned technical scheme, the stoving frame realizes the function of left side moving stoving according to the weight change that the tobacco of stacking is piled, after the tobacco of treating the stoving drops into the stoving frame, the elasticity that supporting spring will be overcome to the weight of stoving frame and move down and contact with actuating mechanism, thereby left side moves into the stoving intracavity and carries out the stoving process, the tobacco volume on the stoving frame when having realized automatic control single stoving process, avoid the tobacco to stack too much and lead to the oven-dry mass to reduce or the tobacco stacks the condition emergence that leads to work efficiency to reduce too little, stability is improved.

Further setting: the quick-witted incasement is equipped with the driving groove that is located stoving chamber both ends respectively, and actuating mechanism is including setting up the driving shaft at the stoving chamber left end, and both ends extend to the driving groove respectively and are equipped with the drive wheel around the driving shaft, and stoving chamber right-hand member is equipped with the driven shaft, and both ends extend to the driving groove respectively and are equipped with from the driving wheel around the driven shaft, and the cover is equipped with the driving band between drive wheel and the follow driving wheel, and the stoving intracavity is equipped with the power component who.

Through adopting above-mentioned technical scheme, during initial state, the driving band top is located the support frame downside, and with the separation of stoving frame bottom, after piling up the tobacco and driving the support frame and move down on the stoving frame, the support frame moves to driving band top downside, stoving frame bottom will contact with the driving band and move left the entering stoving intracavity with the direction of motion of driving band under the effect of frictional force and dry the process, has simplified user of service's operation flow, has improved the convenience.

Further setting: the drying cavity is internally provided with a power cavity, the power assembly comprises a first motor arranged in the power cavity, the upper end of the first motor is provided with a power shaft and a driving bevel gear arranged on the power shaft, and a driven bevel gear meshed with the driving bevel gear is arranged in the middle of the driving shaft.

Through adopting above-mentioned technical scheme, thereby first motor passes through the gear train with power transmission to driving shaft department and drive the driving band motion, and the gear train still can keep stable power transmission effect under the circumstances of alternate power direction repeatedly, has improved stability.

Further setting: both ends are equipped with first removal chamber and second respectively around the frame of drying and remove the chamber, loose material mechanism is including setting up the carriage release lever that is in the frame of drying and is located the baffle downside, the carriage release lever intermediate junction has the runner, be equipped with a plurality of evenly distributed's brush group on the runner, the clearance that the brush group passes through between the adjacent baffle extends to the baffle upside, first removal intracavity slides and is provided with slide and the second motor of setting on the slide, the carriage release lever front end extends to first removal intracavity and links to each other with the second motor, the fixed rack that is provided with of second removal intracavity, the carriage release lever rear end extends to the second and removes the intracavity and be equipped with the gear with rack phase meshing.

Through adopting above-mentioned technical scheme, the tobacco of baffle top is stirred through brush group to rotatory carriage release lever is piled, improves the heat transfer efficiency that the tobacco was piled, avoids the tobacco to pile the condition emergence that is heated inhomogeneous reduction oven-dry mass, and the carriage release lever passes through the meshing relation of gear and rack to control in the frame of drying in addition and removes, improves the pine material ability of piling the tobacco.

Further setting: the machine is internally provided with a lifting groove between the drying cavity and the feeding cavity, the wind shielding mechanism comprises a wind shield arranged in the lifting groove in a sliding manner, limiting plates are respectively arranged at the front end and the rear end of the wind shield, and a plurality of springs are arranged between the upper end of the wind shield and the inner wall of the lifting groove.

Through adopting above-mentioned technical scheme, but the deep bead that freely goes up and down will shelter from drying the chamber and throw between the material chamber, reduces the heat loss speed of stoving intracavity, and rises automatically at the in-process deep bead that the frame of drying removed, can not obstruct the removal of drying the frame, has improved the practicality.

Further setting: a material stop mechanism in a normally closed state is arranged between the feeding cavity and the discharge hole.

Through adopting above-mentioned technical scheme, the stock stop that is in normal close state can avoid throwing the waste that the material in-process tobacco falls out quick-witted case through the discharge gate and causes tobacco.

Further setting: the machine case is internally provided with a baffle groove positioned between the feeding cavity and the discharge hole, the stop mechanism comprises a baffle arranged in the baffle groove in a sliding manner, a plurality of reset springs are arranged between the lower end of the baffle and the inner wall of the baffle groove, the upper end of the baffle extends to the outer side of the baffle groove and is provided with a connecting plate connected in a rotating manner, a plurality of extension springs are arranged between the lower end of the connecting plate and the left end of the baffle, the right end of the drying frame is provided with a connecting groove matched with the connecting plate, and the front end and the rear end of the inner wall.

Through adopting above-mentioned technical scheme, when the stoving frame moves to baffle department, the connecting plate gets into the spread groove in, then when the stoving frame right-hand member swing down and with throw the in-process of material chamber bottom contact, the stoving frame promotes the baffle and descends, make and throw the material chamber open, and the stoving frame goes up the tobacco of accomplishing the stoving and will move to throwing the material chamber department along with the stoving frame of slope and accomplish the ejection of compact action, treat that the stoving frame accomplishes the elasticity that reset spring produced after the ejection of compact orders about stoving frame right-hand member and put the pendulum and reset, operation steps are simplified, the convenience is improved.

Further setting: throw material intracavity wall both ends respectively and be equipped with the straight flute around, spacing subassembly sets up the slider in the straight flute including sliding, and the slider outer end is equipped with the spacing post that extends to the material intracavity of throwing, and both ends respectively are equipped with the spacing groove with spacing post looks adaptation around the frame of drying, and the straight flute right-hand member slides and is provided with the bullet board of ordering about the slider sideslip and reseing, is equipped with a plurality of compression spring between bullet board right-hand member and the straight flute inner wall.

Through adopting above-mentioned technical scheme, spacing post moves to spacing inslot back, moves the in-process at the right side in the feeding cavity with the support drying rack and keeps the horizontality, avoids drying rack not to be connected the condition emergence of preceding swing slope with the baffle, makes drying rack and baffle can be stably connected.

In conclusion, the invention has the following beneficial effects: when the sufficient tobacco to be dried is put into the drying rack, the supporting function of the support frame is overcome by the drying rack, the drying rack moves downwards to be contacted with the driving belt and moves to the drying cavity to perform the drying process, the drying rack moves downwards to be connected with the baffle in the feeding cavity under the driving of the driving belt after the drying process is completed, the drying rack inclines under the action of self gravity and presses the baffle downwards to perform the discharging process, the automatic discharging function is realized, the operation flow is simplified, and the working efficiency is improved.

Drawings

FIG. 1 is a front view of the apparatus structure of the present invention;

fig. 2 is a schematic view of the internal structure of the cabinet of the present invention in a drying state;

FIG. 3 is a schematic view of the internal structure of the housing of the present invention in a discharging state;

FIG. 4 is a schematic view of an inner structure of a drying rack of the present invention;

FIG. 5 is a schematic view of the baffle of FIG. 3 according to the present invention;

fig. 6 is a schematic view of the slider of fig. 3 at B in the present invention.

1. A chassis; 2. a drying cavity; 3. a feeding cavity; 4. a feeding port; 5. a discharge port; 6. a drying rack; 7. a guide rail; 8. a strut; 9. a roller; 10. a support groove; 11. a support frame; 12. a support spring; 13. a hot air blower; 14. a vent pipe; 15. a partition plate; 20. a drive mechanism; 21. a drive slot; 22. a drive shaft; 23. a drive wheel; 24. a driven shaft; 25. a driven wheel; 26. a drive belt; 30. a power assembly; 31. a power cavity; 32. a first motor; 33. a power shaft; 34. a drive bevel gear; 35. a driven bevel gear; 40. a stock stop mechanism; 41. a baffle slot; 42. a baffle plate; 43. a return spring; 44. a connecting plate; 45. an extension spring; 46. connecting grooves; 50. a limiting component; 51. a straight groove; 52. a slider; 53. a limiting column; 54. a limiting groove; 55. a spring plate; 56. a pressure spring; 60. a material loosening mechanism; 61. a first moving chamber; 62. a second moving chamber; 63. a travel bar; 64. a rotating wheel; 65. a brush group; 66. a slide plate; 67. a second motor; 68. a rack; 69. a gear; 70. a wind shielding mechanism; 71. a lifting groove; 72. a wind deflector; 73. a limiting plate; 74. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A high-efficiency tobacco drying device is disclosed, as shown in figure 1, figure 2 and figure 3, comprising a machine case 1, a drying cavity 2 and a feeding cavity 3 are respectively arranged in the machine case 1 from left to right, a feeding port 4 positioned at the upper end of the feeding cavity 3 is arranged on the machine case 1, a discharging port 5 connected with the feeding cavity 3 is arranged at the right end of the machine case 1, a drying frame 6 capable of moving between the drying cavity 2 and the feeding cavity 3 is arranged in the machine case 1 in a sliding manner, a hot air blower 13 is arranged at the bottom end of the drying cavity 2, a vent pipe 14 connected with the drying cavity 2 is arranged at the lower end of the machine case 1, a plurality of uniformly distributed partition plates 15 are arranged in the middle of the drying frame 6, guide rails 7 are respectively arranged at the front and rear ends of the inner wall of the machine case 1, support rods 8 extending into the guide rails 7 and idler wheels 9 arranged on the support rods 8 are respectively arranged at the front and rear ends of the drying frame 6, the idler wheels, then the stoving frame 6 just can reciprocate when throwing in the material chamber 3, be equipped with the support groove 10 that is located 2 both ends in the stoving chamber in the machine case 1 respectively, it has the support frame 11 of top and the contact of 6 bottom ends of stoving frame to slide in the support groove 10, be equipped with a plurality of supporting spring 12 between support frame 11 lower extreme and the support groove 10 inner wall, be equipped with the actuating mechanism 20 that orders about the stoving frame 6 removal in the machine case 1, be equipped with loose tobacco in the stoving frame 6 and pile the pine material mechanism 60 that improves drying efficiency, stoving chamber 2 and throw and be equipped with mechanism 70 that keeps out the wind between the material chamber 3, throw and be equipped with the stock stop 40 that is in normally closed state between material chamber 3 and the.

As shown in fig. 2 and fig. 3, driving grooves 21 located at two ends of the drying cavity 2 are respectively arranged in the case 1, the driving mechanism 20 includes a driving shaft 22 which is arranged at the left end of the drying cavity 2 and is rotatably connected through a bearing, the front end and the rear end of the driving shaft 22 respectively extend into the driving groove 21 and are provided with driving wheels 23 which rotate synchronously, a driven shaft 24 which is rotatably connected through a bearing is arranged at the right end of the drying cavity 2, the front end and the rear end of the driven shaft 24 respectively extend into the driving groove 21 and are provided with driven wheels 25 which rotate synchronously, a driving belt 26 is sleeved between the driving wheels 23 and the driven wheels 25, the drying rack 6 can be driven by friction force between the driving belt 26 and the drying rack 6 to move in the case 1, and a power.

As shown in fig. 3, a power chamber 31 is provided in the drying chamber 2, the power assembly 30 includes a first motor 32 provided in the power chamber 31, a power shaft 33 and a drive bevel gear 34 provided on the power shaft 33 and rotating synchronously are provided at an upper end of the first motor 32, and a driven bevel gear 35 rotating synchronously and engaged with the drive bevel gear 34 is provided in the middle of the drive shaft 22.

As shown in fig. 3 and 4, a first moving cavity 61 and a second moving cavity 62 are respectively arranged at the front end and the rear end of the drying rack 6, the material loosening mechanism 60 includes a moving rod 63 arranged in the drying rack 6 and located on the lower side of the partition 15, a rotating wheel 64 rotating synchronously is connected in the middle of the moving rod 63, a plurality of brush sets 65 distributed uniformly are arranged on the rotating wheel 64, the brush sets 65 extend to the upper side of the partition 15 through a gap between adjacent partitions 15, a sliding plate 66 and a second motor 67 arranged on the sliding plate 66 are arranged in the first moving cavity 61 in a sliding manner, the front end of the moving rod 63 extends into the first moving cavity 61 and is connected with the second motor 67, a rack 68 is fixedly arranged in the second moving cavity 62, the rear end of the moving rod 63 extends into the second moving cavity 62 and is provided with a gear 69 rotating synchronously and meshed with the rack 68, and the gear 69 pushes the moving rod 63 to move left and right in the drying rack 6 when rotating along with.

As shown in fig. 2, a lifting groove 71 between the drying cavity 2 and the feeding cavity 3 is arranged in the case 1, the wind shielding mechanism 70 includes a wind shielding plate 72 slidably arranged in the lifting groove 71, chamfers are respectively arranged on two sides of the lower end of the wind shielding plate 72, the lowered wind shielding plate 72 shields the drying cavity 2 and the feeding cavity 3, limit plates 73 are respectively arranged at the front end and the rear end of the wind shielding plate 72, and a plurality of springs 74 are arranged between the upper end of the wind shielding plate 72 and the inner wall of the lifting groove 71.

As shown in fig. 2, 3 and 5, a baffle groove 41 is arranged in the case 1 between the feeding cavity 3 and the discharging hole 5, the material blocking mechanism 40 comprises a baffle 42 slidably arranged in the baffle groove 41, a plurality of return springs 43 are arranged between the lower end of the baffle 42 and the inner wall of the baffle groove 41, the upper end of the baffle 42 extends to the outer side of the baffle groove 41 and is provided with a connecting plate 44 in rotary connection, when the baffle 42 is in a static state, the baffle 42 is shielded between the feeding cavity 3 and the discharge hole 5, a plurality of extension springs 45 are arranged between the lower end of the connecting plate 44 and the left end of the baffle 42, the extension springs 45 enable the connecting plate 44 to be maintained in a horizontal position in the static state, a connecting groove 46 matched with the connecting plate 44 is arranged at the right end of the drying rack 6, when the drying rack 6 moves to the left end of the baffle 42, the connecting plate 44 is connected with the connecting groove 46, and limiting assemblies 50 for limiting the drying rack 6 to swing are respectively arranged at the front end and the rear end of the inner wall of the feeding cavity 3.

As shown in fig. 2, 3 and 6, the front end and the rear end of the inner wall of the feeding cavity 3 are respectively provided with a straight groove 51, the limiting component 50 comprises a sliding block 52 slidably arranged in the straight groove 51, the outer end of the sliding block 52 is provided with a limiting column 53 extending into the feeding cavity 3, the front end and the rear end of the drying rack 6 are respectively provided with a limiting groove 54 matched with the limiting column 53, the right end of the straight groove 51 vertically extends downwards, the right end of the straight groove 51 is slidably provided with an elastic plate 55 driving the sliding block 52 to move transversely and reset, and a plurality of pressure springs 56 are arranged between the right end of the elastic plate 55 and the inner wall of the.

The specific operation mode of the specific embodiment of the invention is as follows: the hot air blower 13 is a conventional one, and comprises three parts, namely a blower, a heater and a control circuit, and can output hot air.

The tobacco to be dried is put into the feeding cavity 3 through the feeding port 4, the tobacco is stacked above the partition plate 15 of the drying rack 6, the weight of the drying rack 6 and the tobacco pile overcomes the elastic force generated by the supporting spring 12 to push the supporting frame 11 to move downwards, at the moment, the bottom end of the drying rack 6 is contacted with the upper end of the driving belt 26, the first motor 32 is started to transmit power to the driving shaft 22 through the gear set, the driving wheel 23 on the driving shaft 22 rotates anticlockwise and drives the driving belt 26 to move, under the action of the friction force between the driving belt 26 and the drying rack 6, the drying rack 6 moves into the drying cavity 2 along with the driving belt 26, the hot air output by the hot air blower 13 is subjected to a drying process, in the process, the second motor 67 is started to drive the moving rod 63 to rotate, the rotating wheel 64 on the moving rod 63 stirs the tobacco pile through the brush set 65, and the gear 69 on the moving, the internal clearance of the tobacco pile is increased, the moving rod 63 is driven to move left and right in the drying rack 6, hot air output by the hot air blower 13 enters the clearance to heat the tobacco above the tobacco pile, and the drying quality is improved.

When the drying process is finished, the first motor 32 is started to drive the driving wheel 23 to rotate clockwise to drive the drying rack 6 to move right into the feeding cavity 3, in the process, the limiting column 53 is arranged in the limiting groove 54 to keep the drying rack 6 in a horizontal state, when the drying rack 6 moves to the left end of the baffle plate 42 and the connecting plate 44 enters the connecting groove 46, the slide block 52 moves to the vertical section of the straight groove 51, after the slide block 52 loses the horizontal state limitation of the straight groove 51, the right end of the drying rack 6 swings downwards and contacts with the bottom end of the feeding cavity 3, at the moment, due to the connecting state of the connecting plate 44 and the connecting groove 46, the baffle plate 42 descends along with the swinging of the drying rack 6 to open the discharging port 5, the tobacco on the drying rack 6 moves to the discharging port 5 along with the inclined plane to realize the discharging action, after the tobacco leaves the drying rack 6, the gravity of the drying rack 6 is smaller than the elastic force generated by the reset spring 43, the baffle plate 42, and the slide block 52 which moves upwards along with the return of the drying rack 6 moves leftwards and returns under the cooperation of the elastic plate 55 and the pressure spring 56.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.

Claims

1. The utility model provides an efficient tobacco drying equipment, includes quick-witted case (1), be equipped with stoving chamber (2) and throw material chamber (3) respectively from a left side to the right side in quick-witted case (1), be equipped with on quick-witted case (1) and be located throw material dog-house (4) of material chamber (3) upper end, quick-witted case (1) right-hand member be equipped with throw material discharge gate (5) that material chamber (3) link to each other, it can to slide in quick-witted case (1) stoving chamber (2) with throw the stoving frame (6) that remove between material chamber (3), stoving chamber (2) bottom is equipped with air heater (13), quick-witted case (1) lower extreme be equipped with ventilation pipe (14) that stoving chamber (2) link to each other, its characterized in that: a plurality of uniformly distributed partition plates (15) are arranged in the middle of the drying frame (6), guide rails (7) are respectively arranged at the front end and the rear end of the inner wall of the case (1), support rods (8) extending into the guide rails (7) and rollers (9) arranged on the support rods (8) are respectively arranged at the front end and the rear end of the drying frame (6), support grooves (10) positioned at the two ends of the drying cavity (2) are respectively arranged in the case (1), a support frame (11) with the top end contacting with the bottom end of the drying frame (6) is slidably arranged in the support grooves (10), a plurality of support springs (12) are arranged between the lower end of the support frame (11) and the inner wall of the support grooves (10), a driving mechanism (20) for driving the drying frame (6) to move is arranged in the case (1), and a loosening mechanism (60) for loosening tobacco piles to improve the drying efficiency is arranged in, a wind shielding mechanism (70) is arranged between the drying cavity (2) and the feeding cavity (3).

2. The efficient tobacco drying apparatus of claim 1, wherein: be equipped with respectively in quick-witted case (1) and be located driving groove (21) at stoving chamber (2) both ends, actuating mechanism (20) are including setting up driving shaft (22) of stoving chamber (2) left end, both ends extend to respectively around driving shaft (22) in driving groove (21) and be equipped with drive wheel (23), stoving chamber (2) right-hand member is equipped with driven shaft (24), both ends extend to respectively around driven shaft (24) in driving groove (21) and be equipped with from driving wheel (25), drive wheel (23) with it is equipped with driving band (26) to overlap between driving wheel (25), be equipped with in stoving chamber (2) with power component (30) that driving shaft (22) link to each other.

3. The efficient tobacco drying apparatus of claim 2, wherein: the drying device is characterized in that a power cavity (31) is arranged in the drying cavity (2), the power assembly (30) comprises a first motor (32) arranged in the power cavity (31), a power shaft (33) and a driving bevel gear (34) arranged on the power shaft (33) are arranged at the upper end of the first motor (32), and a driven bevel gear (35) meshed with the driving bevel gear (34) is arranged in the middle of the driving shaft (22).

4. The efficient tobacco drying apparatus of claim 1, wherein: the drying rack is characterized in that a first moving cavity (61) and a second moving cavity (62) are respectively arranged at the front end and the rear end of the drying rack (6), the material loosening mechanism (60) comprises a moving rod (63) which is arranged in the drying rack (6) and positioned on the lower side of the partition plate (15), a rotating wheel (64) is connected in the middle of the moving rod (63), a plurality of brush sets (65) which are uniformly distributed are arranged on the rotating wheel (64), the brush sets (65) extend to the upper side of the partition plate (15) through adjacent gaps between the partition plates (15), a sliding plate (66) and a second motor (67) arranged on the sliding plate (66) are arranged in the first moving cavity (61) in a sliding manner, the front end of the moving rod (63) extends into the first moving cavity (61) and is connected with the second motor (67), and a rack (68) is fixedly arranged in the second moving cavity (62), the rear end of the moving rod (63) extends into the second moving cavity (62) and is provided with a gear (69) meshed with the rack (68).

5. The efficient tobacco drying apparatus of claim 1, wherein: be equipped with in quick-witted case (1) and be located stoving chamber (2) with throw lift groove (71) between material chamber (3), mechanism (70) keep out the wind sets up including sliding deep bead (72) in lift groove (71), both ends respectively are equipped with limiting plate (73) around deep bead (72), deep bead (72) upper end with be equipped with a plurality of springs (74) between lift groove (71) inner wall.

6. The efficient tobacco drying apparatus of claim 1, wherein: a material blocking mechanism (40) in a normally closed state is arranged between the feeding cavity (3) and the discharge hole (5).

7. The efficient tobacco drying apparatus of claim 6, wherein: the drying rack is characterized in that a baffle groove (41) located between the feeding cavity (3) and the discharge hole (5) is formed in the case (1), the material blocking mechanism (40) comprises a baffle (42) arranged in the baffle groove (41) in a sliding mode, a plurality of reset springs (43) are arranged between the lower end of the baffle (42) and the inner wall of the baffle groove (41), the upper end of the baffle (42) extends to the outer side of the baffle groove (41) and is provided with a connecting plate (44) in rotating connection, a plurality of extension springs (45) are arranged between the lower end of the connecting plate (44) and the left end of the baffle (42), a connecting groove (46) matched with the connecting plate (44) is arranged at the right end of the drying rack (6), and limiting assemblies (50) for limiting the swinging of the drying rack (6) are arranged at the front end and the rear end of.

8. The efficient tobacco drying apparatus of claim 7, wherein: throw material chamber (3) inner wall front and back both ends and respectively be equipped with straight flute (51), spacing subassembly (50) including slide set up in slider (52) in straight flute (51), slider (52) outer end is equipped with and extends to throw spacing post (53) in the material chamber (3), dry frame (6) front and back both ends respectively be equipped with spacing groove (54) of spacing post (53) looks adaptation, straight flute (51) right-hand member slides and is provided with and orders about elastic plate (55) that slider (52) sideslip was reset, elastic plate (55) right-hand member with be equipped with a plurality of compression spring (56) between straight flute (51) inner wall.