Automatic tobacco stem loading and unloading type tobacco curing barn

Abstract

The invention provides an automatic tobacco stem feeding and discharging type tobacco curing barn which comprises a tobacco curing barn body, a supporting and conveying device, a lifting device and a tobacco stem feeding and discharging mechanism. The tobacco rod feeding and discharging mechanism comprises a supporting plate, a material plate parallel to the supporting plate is arranged on the supporting plate, a pushing device used for pushing the material plate to horizontally move in the front-back direction of the sub-curing barn is installed on the supporting plate, two tobacco rod hooks and two horizontal sliding rods are fixed to the material plate, and sliding bearings matched with the sliding rods are fixed to the supporting plate. A sliding rail is vertically fixed to the upper surface of the supporting plate, a rack is fixed to the sliding rail, the device further comprises a fixing pipe, the upper end and the lower end of the fixing pipe are open ends, at least one sliding block matched with the sliding rail is fixed to the inner wall of the fixing pipe, the sliding block is in sliding connection with the sliding rail, a third motor is fixed to the fixing pipe, and a gear is fixed to an output shaft of the third motor; the gear is meshed with the rack. The automatic tobacco rod feeding and discharging device can achieve automatic tobacco rod feeding and discharging, the speed is adjustable, and the requirement for the tobacco rod feeding and baking number of tobacco companies is met.

Description

Technical Field

[0001] The present invention relates to the technical field of flue-cured tobacco barns, and particularly relates to an automatic upper and lower tobacco rod type flue-cured tobacco barn. Background Art

[0002] The newly picked tobacco leaves need to be tied to tobacco rods, and then the two ends of the tobacco rods are placed on the brackets in the flue-cured tobacco barn one by one manually for baking. After baking, the tobacco rods are taken down one by one manually. Generally, the flue-cured tobacco barn adopts multi-layer baking. By manually loading and unloading the tobacco rods, the labor intensity is high and the efficiency is low. Summary of the Invention

[0003] The present invention provides an automatic upper and lower tobacco rod type flue-cured tobacco barn, which solves the defects of high labor intensity and low efficiency of the existing flue-cured tobacco barn by manually loading and unloading the tobacco rods.

[0004] The technical solution of the present invention is realized as follows:

[0005] An automatic upper and lower tobacco rod type flue-cured tobacco barn includes a flue-cured tobacco barn body, a support conveying device, a lifting device and a tobacco rod loading and unloading mechanism; the flue-cured tobacco barn body includes at least one horizontally arranged sub-barn; several layers of horizontal support conveying devices are arranged in the sub-barn from top to bottom in sequence. The support conveying device includes conveying chains symmetrically arranged on both sides inside the sub-barn and a conveying driving device for driving the conveying chains; the lifting device includes two lifting chains symmetrically arranged on both sides of the inner front end of the sub-barn and a lifting driving device for driving the lifting chains. Symmetrically arranged lifting hooks are fixed on the two lifting chains respectively. The lifting driving device drives the lifting hooks to move up and down through the lifting chains. The lifting hooks are used for placing tobacco rods; the tobacco rod loading and unloading mechanism is located at the front end of the sub-barn. The tobacco rod loading and unloading mechanism includes a horizontal support plate. A material plate parallel to the support plate is arranged on the support plate. A pushing device for pushing the material plate to move horizontally in the front and back directions of the sub-barn is installed on the support plate. Two symmetrically arranged horizontal tobacco rod hooks are fixed on one side surface of both ends of the material plate far away from the front end of the sub-barn. Two symmetrically arranged horizontal sliding rods are fixed on one side surface of both ends of the material plate close to the front end of the sub-barn. A sliding bearing matched with the sliding rod is fixed on the support plate. A slide rail perpendicular to the support plate is vertically fixed on the upper surface of the support plate. A rack perpendicular to the support plate is fixed on the slide rail. It further includes a fixed pipe fixed on the sub-barn. The upper and lower ends of the fixed pipe are open ends. At least one slider matched with the slide rail is fixed on the inner wall of the fixed pipe. The slider is slidably connected with the slide rail. A third motor is fixed on the fixed pipe. A gear is fixed on the output shaft of the third motor. The gear is located inside the fixed pipe and meshes with the rack.

[0006] Preferably, the flue-cured tobacco barn body includes a frame and wall panels fixed on the frame.

[0007] Preferably, the sub-barns are horizontally arranged in parallel, and a doorway is opened at the front end of the sub-barn.

[0008] Preferably, a room door is installed at the doorway.

[0009] Preferably, the conveying drive device includes a first main sprocket and a first driven sprocket that cooperate with the conveying chain. The first main sprocket is fixedly connected through a first driving shaft, and one end of the first driving shaft is drivingly connected to a first motor.

[0010] Preferably, a number of supporting wheels, supporting sprockets or supporting plates are further arranged in the middle of the conveying chain, and the first motor is a motor with an encoder.

[0011] Preferably, the lifting drive device includes a second main sprocket and a second driven sprocket that cooperate with the lifting chain. The second main sprocket is fixedly connected through a second driving shaft, and one end of the second driving shaft is drivingly connected to a second motor.

[0012] Preferably, the second motor is a motor with an encoder.

[0013] Preferably, the pushing device is a cylinder, an electric cylinder or a hydraulic cylinder.

[0014] Preferably, the third motor is a motor with an encoder.

[0015] Preferably, the end of the sliding rod away from the material plate is connected through a stabilizing plate, and an avoidance hole through which the pushing device passes is formed in the middle of the stabilizing plate.

[0016] Advantages of the present invention: When the present invention works, the tobacco rod loading and unloading mechanism moves to the end position of the conveying chain on the first layer. Both ends of the tobacco rod tied with tobacco leaves are located on two lifting hooks. The lifting chain drives the tobacco rod to rise to a position above the end of the conveying chain on the first layer. The tobacco rod hook is located below the lifting hook. The pushing device pushes out the first section of the tobacco rod hook. The lifting chain drives the lifting hook to descend and reset. During the descending process of the lifting hook, the tobacco rod is placed on the tobacco rod hook. The pushing device pushes out the second section of the tobacco rod hook. After descending, the tobacco rod is placed on the conveying chain. Finally, the tobacco rod hook retracts and resets. The conveying chain moves backward by one working position under the drive of the conveying drive device, and so on. Until the conveying chain on the first layer is full, it moves to the second layer, the third layer, etc., until the first layer is fully filled with tobacco rods tied with tobacco leaves; After the tobacco leaves are baked and the tobacco rods need to be removed, the action process is opposite. The tobacco rod hook extends and then rises to pick up the frontmost tobacco rod on the conveying chain of the first layer onto the tobacco rod hook, then retracts to be directly above the lifting hook, and then descends to hand over the tobacco rod to the lifting hook. The lifting hook descends to send the tobacco rod to the bottom. The conveying chain of the first layer drives the remaining tobacco rods to move forward by one position, repeating the above actions until all the tobacco rods are removed; The present invention can realize automatic loading and unloading of tobacco rods, the speed can be adjusted, it meets the requirements of the number of tobacco rods loaded onto the baking equipment by the tobacco company, and has high efficiency. Brief Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is a schematic structural diagram of the present invention;

[0019] Figure 2 is Figure 1 a partial enlarged view of the part shown as A in;

[0020] Figure 3 It is a schematic structural diagram of the cigarette rod loading and unloading mechanism in the present invention;

[0021] Figure 4 is Figure 3 a schematic structural diagram after the fixed pipe is opened.

[0022] In the figure:

[0023] Flue-cured tobacco house body 1, sub-tobacco house 11, frame 12;

[0024] Support conveying device 2, conveying chain 21, first main sprocket 22, first driven sprocket 23, first driving shaft 24, first motor 25;

[0025] Lifting device 3, lifting chain 31, lifting hook 32, second main sprocket 33, second driven sprocket 34, second driving shaft 35, second motor 36;

[0026] Cigarette rod loading and unloading mechanism 4, support plate 41, material plate 42, cigarette rod hook 43, sliding rod 44, sliding bearing 45, slide rail 46, rack 47, electric cylinder 48, stabilizing plate 49;

[0027] Fixed pipe 51, slider 52, third motor 53, gear 54. Detailed Embodiments

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0029] Refer to Figures 1-4, An automatic up-and-down tobacco rod type flue-curing barn, comprising a flue-curing barn body 1, a support conveying device 2, a lifting device 3 and a tobacco rod loading and unloading mechanism 4; the flue-curing barn body 1 includes at least one horizontally arranged sub-flue-curing barn 11; several horizontal support conveying devices 2 are sequentially arranged in the sub-flue-curing barn 11 from top to bottom, and the support conveying device 2 includes conveying chains 21 symmetrically arranged on both sides inside the sub-flue-curing barn 11 and a conveying driving device for driving the conveying chains; the lifting device 3 includes lifting chains 31 symmetrically arranged on both sides of the inner front end of the sub-flue-curing barn and a lifting driving device for driving the lifting chains, and symmetrically arranged lifting hooks 32 are respectively fixed on the two lifting chains 31. The lifting driving device drives the lifting hooks 32 to move up and down through the lifting chains 31, and the lifting hooks 32 are used for placing tobacco rods; the tobacco rod loading and unloading mechanism 4 is located at the front end of the sub-flue-curing barn 11. The tobacco rod loading and unloading mechanism 4 includes a horizontal support plate 41, a material plate 42 parallel to the support plate 41 is arranged on the support plate 41, and a pushing device for pushing the material plate 42 to move horizontally in the front-back direction of the sub-flue-curing barn is installed on the support plate 41. Two symmetrically arranged horizontal tobacco rod hooks 43 are fixed on one side surface of the two ends of the material plate 42 far away from the front end of the sub-flue-curing barn 11, and two symmetrically arranged horizontal sliding rods 44 are fixed on one side surface of the two ends of the material plate 42 close to the front end of the sub-flue-curing barn 11. A sliding bearing 45 matched with the sliding rod is fixed on the support plate 41, a slide rail 46 is vertically fixed on the upper surface of the support plate 41, and a rack 47 perpendicular to the support plate is fixed on the slide rail 46. It also includes a fixed pipe 51 fixed on the sub-flue-curing barn. The upper and lower ends of the fixed pipe 51 are open ends, and at least one slider 52 matched with the slide rail is fixed on the inner wall of the fixed pipe. The slider 52 is slidably connected with the slide rail 46, a third motor 53 is fixed on the fixed pipe 52, and a gear 54 is fixed on the output shaft of the third motor 53. The gear 54 is located inside the fixed pipe 51 and meshes with the rack 47.

[0030] As a preferred technical solution, the flue-curing barn body 1 includes a frame 12 and wall panels (not shown) fixed on the frame 12. The wall panels are selected as wall panels with heat preservation performance, such as wall panels with a heat preservation layer in the middle.

[0031] As a preferred technical solution, the sub-flue-curing barns 11 are horizontally arranged in parallel. Specifically, the sub-flue-curing barns 11 can be arranged in two, three, four or more horizontally in parallel, and the number is selected according to actual needs. The support conveying device 2 of the sub-flue-curing barn 11 can be one layer, two layers, three layers or more layers, and generally three layers are adopted. A doorway is opened at the front end of the sub-flue-curing barn 11, and a door (not shown) is installed at the doorway.

[0032] As a preferred technical solution, the conveying driving device includes a first main sprocket 22 and a first driven sprocket 23 matched with the conveying chain 21. The first main sprocket 22 is fixedly connected through a first driving shaft 24, and one end of the first driving shaft 24 is drivingly connected with a first motor 25.

[0033] To improve the support performance, a number of support wheels, support sprockets or support plates may be provided in the middle of the conveying chain 21.

[0034] As a preferred technical solution, the lifting drive device includes a second main sprocket 33 and a second driven sprocket 34 that cooperate with the lifting chain. The second main sprocket 33 is fixedly connected through a second driving shaft 35, and one end of the second driving shaft 35 is drivingly connected to a second motor 36.

[0035] Since the temperature inside the flue-curing house body 1 is high, if a sensor is used to sense the position, it is easy to be damaged and has a short service life. Therefore, the first motor 25, the second motor 36 and the third motor 53 are all selected as motors with encoders to achieve precise control.

[0036] As a preferred technical solution, the pushing device is a cylinder, an electric cylinder 48 or a hydraulic cylinder.

[0037] As a preferred technical solution, the end of the sliding rod 44 away from the material plate 42 is connected through a stabilizing plate 49, and an avoidance hole through which the pushing device passes is provided in the middle of the stabilizing plate 49. The stabilizing plate 49 can keep the distance from the end of the sliding rod 44 unchanged, and the stability is better.

[0038] When the present invention works, the tobacco rod loading and unloading mechanism also moves to the end position of the conveying chain 21 on the first layer. The two ends of the tobacco rod tied with tobacco leaves are located on two lifting hooks 32. The lifting chain 31 drives the tobacco rod to rise to a position above the end of the conveying chain 21 on the first layer. The tobacco rod hook 43 is located below the lifting hook 32. The pushing device pushes out the first section of the tobacco rod hook 43. The lifting chain 31 drives the lifting hook 32 to descend and reset. During the descending process of the lifting hook 32, the tobacco rod is placed on the tobacco rod hook 43. The pushing device pushes out the second section of the tobacco rod hook 43. After descending, the tobacco rod is placed on the conveying chain 21. Finally, the tobacco rod hook 43 retracts and resets. The conveying chain 21 moves backward by one working position under the drive of the conveying drive device. This is repeated until the conveying chain 21 on the first layer is full, and then it moves to the second layer, the third layer, etc., until the first layer is completely filled with tobacco rods tied with tobacco leaves; when the tobacco leaves are baked well and the tobacco rods need to be removed, the action process is opposite. The tobacco rod hook 43 extends and then rises to pick up the frontmost tobacco rod on the conveying chain 21 on the first layer onto the tobacco rod hook 43, then retracts to be directly above the lifting hook 32, and then descends to hand over the tobacco rod to the lifting hook 32. The lifting hook 32 descends to send the tobacco rod to the bottom. The conveying chain 21 on the first layer drives the remaining tobacco rods to move forward by one position, repeating the above actions until all the tobacco rods are removed. The present invention can realize automatic loading and unloading of tobacco rods, with adjustable speed, meeting the requirements of the tobacco company for the number of tobacco rods on the baking rack, and having high efficiency.

[0039] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. An automatic up-and-down tobacco rod type flue-curing barn, characterized in that: include A tobacco flue-curing room body, the tobacco flue-curing room body comprising at least one horizontally parallel sub-flue-curing room; The supporting conveying device is provided with several layers of horizontal supporting conveying devices in the sub-baking room from top to bottom, and the supporting conveying device includes conveying chains symmetrically arranged on both sides of the sub-baking room and a conveying driving device for driving the conveying chains; The lifting device includes two lifting chains symmetrically arranged on both sides of the inner front end of the sub-baking room and a lifting drive device for driving the lifting chains. The two lifting chains are respectively fixed with symmetrically arranged lifting hooks. The lifting drive device drives the lifting hooks to move up and down through the lifting chains. The lifting hooks are used to place the tobacco rods. The cigarette rod loading and unloading mechanism is located at the front end of the sub-baking chamber, and the cigarette rod loading and unloading mechanism includes a horizontal support plate, a material plate parallel to the support plate is arranged on the support plate, and a pushing device for pushing the material plate to move horizontally along the front and rear direction of the sub-baking chamber is installed on the support plate, two symmetrically arranged horizontal cigarette rod hooks are fixed to the side of the two ends of the material plate away from the front end of the sub-baking chamber, and two symmetrically arranged horizontal sliding rods are fixed to the side of the two ends of the material plate close to the front end of the sub-baking chamber, and sliding bearings matching with the sliding rods are fixed to the support plate, and a slide rail is vertically fixed to the upper surface of the support plate, and a rack perpendicular to the support plate is fixed on the slide rail. It also includes a fixed tube fixed on the sub-baking chamber, and the upper and lower ends of the fixed tube are open ends. At least one sliding block matching with the sliding rail is fixed to the inner wall of the fixed tube, and the sliding block and the sliding rail are slidably connected. A third motor is fixed to the fixed tube, and a gear is fixed on the output shaft of the third motor. The gear is located in the fixed tube and meshes with the rack.

2. The automatic up-and-down tobacco pole type flue-cured tobacco barn according to claim 1, wherein: The tobacco curing room body comprises a frame and a wall panel fixed on the frame.

3. The automatic up-and-down tobacco pole type flue-cured tobacco barn according to claim 1, wherein: The sub-baking rooms are arranged horizontally in parallel, and a door is provided at the front end of the sub-baking rooms.

4. The automatic up-and-down tobacco rod type flue-cured tobacco barn according to claim 3, characterized in that: The door is provided with a room door.

5. The automatic up-and-down tobacco pole type flue-cured tobacco barn according to claim 1, wherein: The conveying drive device comprises a first main sprocket and a first slave sprocket matched with the conveying chain, the first main sprocket is fixedly connected via a first driving shaft, and one end of the first driving shaft is drivingly connected to a first motor.

6. The automatic up-and-down tobacco pole type flue-cured tobacco barn according to claim 5, wherein: A plurality of supporting wheels, supporting sprocket wheels or supporting plates are also arranged in the middle of the conveying chain, and the first motor is a motor with an encoder.

7. The automatic up-and-down tobacco rod type flue-cured tobacco barn according to claim 1, characterized in that: The lifting drive device comprises a second main sprocket and a second slave sprocket matched with the lifting chain, the second main sprocket is fixedly connected via a second driving shaft, and one end of the second driving shaft is transmission-connected to a second motor.

8. The automatic up-and-down tobacco pole type flue-cured tobacco barn according to claim 7, wherein: The second motor is a motor with an encoder.

9. The automatic up-and-down tobacco pole type flue-cured tobacco barn according to claim 1, wherein: The pushing device is a pneumatic cylinder, an electric cylinder or a hydraulic cylinder; the third motor is a motor with an encoder.

10. The automatic up-and-down tobacco pole type flue-cured tobacco barn according to claim 1, characterized in that: One end of the slide bar away from the material plate is connected via a stabilizing plate, and a avoidance hole for the pushing device to pass through is provided in the middle of the stabilizing plate.

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