Flue-cured tobacco topping and bud inhibiting device

Abstract

A tobacco plant distance measuring device is installed at the upper end of a fixing rod, a first sleeve fixedly connected with the fixing rod is connected with a first clamping mechanism and a pesticide spraying mechanism in the circumferential direction, the lower end of the first sleeve is connected with a second sleeve, and a second motor is arranged in the second sleeve and drives the first sleeve to rotate relative to the second sleeve; the first sleeve rotates to drive the pesticide spraying mechanism to move to the position above a tobacco plant cutting point; the side edge of the second sleeve is fixedly connected with a second clamping mechanism, and a cutter assembly is further arranged between the first clamping mechanism and the second clamping mechanism. The first clamping mechanism and the second clamping mechanism are used for clamping tobacco plants, and the cutting knife assembly is used for cutting the tobacco plants; the tobacco plant distance measuring device, the first motor, the second motor and steering engines of the first clamping mechanism and the second clamping mechanism are all connected with a controller. By integrating the mechanical claw, the topping cutting knife and the bud inhibition spray head device, the integrated operation of topping and bud inhibition is realized, the operation efficiency is improved, the labor intensity is reduced, and neat notches and timely bud inhibition are ensured, so that the yield and the quality of tobacco leaves are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural machinery, and in particular relates to a flue-cured tobacco topping and bud suppression device. Background Art

[0002] In the process of flue-cured tobacco cultivation, topping is one of the important agricultural technical measures to improve tobacco leaf yield and quality. Topping, that is, removing the growth point at the top of the tobacco plant, can promote the growth of side branches, increase the number of leaves, and improve the yield and quality of tobacco leaves. Traditional topping operations are mainly carried out manually, and this method has the following disadvantages: 1. Manual topping requires a lot of manpower, and the operation requires bending over for a long time, which is labor-intensive and easily leads to fatigue of the operators.

[0003] 2. Manual topping is slow and inefficient and cannot meet the needs of large-scale planting. Especially during the peak growth period of tobacco leaves, manual topping is difficult to complete in time, affecting the growth and development of tobacco leaves.

[0004] 3. When topping manually, the inconsistent operating skills and strength will lead to uneven incisions, affecting the recovery of the tobacco plants and the growth of side branches.

[0005] 4. After topping, the side branch growth points of the tobacco plant will sprout quickly, and it is necessary to spray the bud inhibitor in time to control the growth of the side branches. After manual topping, it is difficult to spray the agent in time due to the cumbersome operation, resulting in poor bud inhibitory effect.

[0006] In order to solve the above problems, some automated topping devices have been developed, but these devices usually only have the topping function and cannot spray bud inhibitors while topping. Or, although they can complete topping and bud inhibition operations at the same time, there are certain limitations in design, such as unstable fixation, inaccurate cutting, complicated operation, etc., which cannot meet the needs of efficient, precise and integrated operations.

[0007] For example, a Chinese patent with application number 202211634766.6 discloses a handheld adjustable integrated device for topping and bud suppression of cigar tobacco leaves. The integrated cutter head integrates the terminal bud clamping assembly, the terminal bud shearing assembly and the bud inhibitor nozzle together, so that a single person can complete the combined operation of topping and bud suppression and solve the problem of excessive application of bud inhibitor. However, the bud suppression nozzle of the device is located below the terminal bud shearing assembly, and it is difficult for the bud inhibitor to be sprayed to the terminal bud resection site. In addition, the terminal bud clamping assembly is at the top. After the terminal bud is cut off, the terminal bud clamping assembly loses its clamping object, and the shaking of the plant causes inaccurate spraying of the bud inhibitor. Summary of the invention

[0008] In view of the above problems existing in the prior art, the present invention provides a flue-cured tobacco topping and bud suppression device which is stable, precise in cutting, simple in operation and can meet the requirements of efficient, precise and integrated operations.

[0009] The object of the present invention is achieved in the following manner: a flue-cured tobacco topping and bud suppression device comprises a fixedly connected fixed rod and a first sleeve, both of which are hollow structures, a tobacco plant distance measuring device is installed at the upper end of the fixed rod, the first sleeve is connected to a first clamping mechanism and a medicine spraying mechanism along a circumferential direction, the lower end of the first sleeve is connected to a second sleeve, a second motor is arranged inside the second sleeve, the first sleeve is driven to rotate relative to the second sleeve, the first sleeve rotates, and the medicine spraying mechanism is driven to move above the tobacco plant cutting point; the second sleeve is fixedly connected to the second clamping mechanism on the side, and a cutting knife assembly is further arranged between the first clamping mechanism and the second clamping mechanism; the first clamping mechanism and the second clamping mechanism both comprise a steering gear, left and right clamping jaws and a transmission mechanism, the steering gear controls the opening and closing of the left and right clamping jaws through the transmission mechanism to achieve the clamping of the tobacco plant, the cutting knife assembly comprises a first motor, a transmission mechanism and left and right cutting blades, the first motor drives the opening and closing of the left and right cutting blades through the transmission mechanism to achieve the cutting of the tobacco plant; the tobacco plant distance measuring device, the first motor, the second motor and the steering gears of the first clamping mechanism and the second clamping mechanism are all connected to a controller.

[0010] The first clamping mechanism and the spraying mechanism are 45-135 degrees.

[0011] The left and right clamping jaws of the first clamping mechanism and the second clamping mechanism are both staggered and arranged at unequal heights, and the numbers of the left and right clamping jaws are not equal.

[0012] Two adjacent layers of clamping jaws on the same side of the first clamping mechanism and the second clamping mechanism are connected by a support rod.

[0013] Trapezoidal teeth are arranged on the inner surfaces of the left and right clamping jaws of the first clamping mechanism and the second clamping mechanism.

[0014] The size of the left and right clamping jaws of the first clamping mechanism is smaller than the size of the left and right clamping jaws of the second clamping mechanism.

[0015] A Y-shaped blocking rod is also arranged below the second clamping mechanism, and the Y-shaped blocking rod is fixedly connected to the second sleeve.

[0016] The left and right cutting blades of the cutting knife assembly are in the shape of a cross scissors.

[0017] The tobacco plant ranging device is a depth camera.

[0018] Compared with the prior art, the present invention provides a flue-cured tobacco topping and bud suppression device, which integrates mechanical claws, topping cutting knives and bud suppression nozzle devices to achieve integrated operations of topping and bud suppression, improve work efficiency, reduce labor intensity, and ensure neat incisions and timely bud suppression, thereby improving the yield and quality of tobacco leaves. The design of the device takes into account the simplicity of operation, high efficiency of operation and stability of the equipment to meet the needs of modern tobacco planting industry for automation and intelligent technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention.

[0020] Figure 2 It is a structural schematic diagram of the present invention from another angle.

[0021] Figure 3 It is a structural schematic diagram of the present invention from another angle.

[0022] Figure 4 It is a structural schematic diagram of the second clamping mechanism.

[0023] Figure 5 It is a schematic diagram of the structure of the cutting knife assembly.

[0024] Figure 6 This is a connection diagram between the first sleeve and the second sleeve. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the present invention.

[0026] like Figure 1-3 As shown, a flue-cured tobacco topping and bud suppression device includes a fixed rod 100 and a first sleeve 101 that are fixedly connected. The fixed rod 100 and the first sleeve 101 are both hollow structures. A tobacco plant distance measuring device 1 is installed on the upper end of the fixed rod 100. The tobacco plant distance measuring device 1 uses a depth camera. Ordinary cameras are generally used to obtain RGB color information of objects, and depth cameras are used to obtain distance information from objects to the camera, which is used to accurately locate the top of the tobacco plant.

[0027] The first sleeve 101 connects the first clamping mechanism 2 and the medicine spraying mechanism 4 along the circumferential direction. The first clamping mechanism 2 includes a first steering gear 21, first left and right clamping claws 22 and a first transmission mechanism. The housing of the first steering gear 21 is fixedly connected to the first sleeve 101 through a first connecting rod 25. The first transmission mechanism includes a driving gear and a passive gear that mesh with each other. The driving gear is fixedly connected to the first left clamping claw, and the passive gear is fixedly connected to the first right clamping claw. The first steering gear 21 drives the driving gear to rotate, and the driving gear drives the passive gear to rotate to realize the opening and closing of the first left clamping claw and the first right clamping claw. The medicine spraying mechanism 4 includes a liquid storage device, a liquid inlet pipe and a nozzle. The liquid storage device is placed on the topping machine. The liquid inlet pipe enters from the top of the fixed rod 100 and is connected to the nozzle of the medicine spraying mechanism 4. An electromagnetic valve is arranged on the liquid inlet pipe, and the electromagnetic valve is controlled by the controller. To adapt to the rotation of the first sleeve 101, a plastic hose can be selected for the liquid inlet pipe.

[0028] like Figure 6 As shown, the lower end of the first sleeve 101 is connected to the second sleeve 102, and the upper end of the second sleeve 102 is fixedly connected to the bearing 6. The third connecting rod 7 extends from the middle of the lower end of the first sleeve 101, and the third connecting rod 7 can extend into the bearing 6 at the upper end of the second sleeve 102. The lower end of the first sleeve 101 is supported on the bearing 6, and the end of the third connecting rod 7 is connected to the first gear 8. The second motor 9 is arranged inside the second sleeve 102, and the output shaft of the second motor is connected to the second gear 10. The first gear 9 is meshed with the second gear 10. The second motor 9 rotates, and the third connecting rod 7 and the first sleeve 101 are driven to rotate relative to the second sleeve 102 through the first gear 8 and the second gear 10. The first sleeve 101 rotates, driving the spraying mechanism 4 to move above the tobacco cutting point.

[0029] The second sleeve 102 is fixedly connected to the second clamping mechanism 3 at its side. Figure 4 As shown, the second clamping mechanism 3 includes a second steering gear 31, second left and right clamping jaws 32 and a second transmission mechanism 34. The housing of the second steering gear 31 is directly fixedly connected to the second sleeve 102. The second transmission mechanism 34 also includes a driving gear and a passive gear that mesh with each other. The driving gear is fixedly connected to the second left clamping jaw, and the passive gear is fixedly connected to the second right clamping jaw. The second steering gear 31 drives the driving gear to rotate, and the driving gear drives the passive gear to rotate, thereby realizing the opening and closing of the second left clamping jaw and the second right clamping jaw.

[0030] A cutting blade assembly 5 is also provided between the first clamping mechanism 2 and the second clamping mechanism 3. Figure 5 As shown, the cutting knife assembly 5 includes a first motor, a transmission mechanism and left and right cutting blades 52. The first motor is arranged in the second connecting rod 51. The transmission mechanism includes active and passive sprockets, chains and active and passive gears. The output shaft of the first motor is connected to the active sprocket, which is connected to the passive sprocket through a chain. The passive sprocket meshes with the active and passive gears 53. The active and passive gears 53 are respectively fixedly connected to the left and right cutting blades 52. The first motor drives the left and right cutting blades 52 to open and close through the transmission mechanism to achieve the cutting of the tobacco plants. The first motor and the active and passive sprockets, chains are connected to the left and right cutting blades 52. Figure 5 It is not shown in the figure and is a mature technology in this field.

[0031] The tobacco plant distance measuring device 1, the first motor, the second motor and the servos of the first clamping mechanism 2 and the second clamping mechanism 3 are all connected to a controller (not shown in the figure). The tobacco plant distance measuring device 1 locates the top of the tobacco plant and transmits the signal to the controller. The controller controls the servo to start and controls the forward and reverse rotation of the motor and the servo to realize the opening and closing of the left and right clamping jaws of the first clamping mechanism and the second clamping mechanism, and the opening and closing of the left and right cutting blades.

[0032] The top of the tobacco plant cut off by the cutting knife assembly 5 may carry pests and diseases. If discarded at random, it may become a way for the spread of pests and diseases, threatening other healthy tobacco plants, and may also pollute the farmland environment, destroy the ecological balance, increase the difficulty of field management, and affect subsequent agricultural operations. Generally, a tobacco plant top collecting device 200 is installed on the topping machine to collect and treat the same. The second clamping mechanism 3 is located above the tobacco plant top collecting device 200 after rotating a certain angle.

[0033] Furthermore, the angle between the first clamping mechanism 3 and the spraying mechanism 4 is 45-135°, preferably 90°. The appropriate angle between the first clamping mechanism 2 and the spraying mechanism 4 is designed according to the actual working conditions such as the distance between the tobacco plant and the tobacco plant top collection device 200. The second motor 10 drives the first sleeve 101 to rotate, so that the spraying mechanism 4 rotates to the top of the tobacco plant. The spraying mechanism 4 is larger than the tobacco plant after topping to spray the inhibitor. The first clamping mechanism 2 rotates to the top of the tobacco plant top collection device 200, and the left and right clamping jaws of the first clamping mechanism 2 open, and the knocked-off top of the pressure column falls into the tobacco plant top collection device 200.

[0034] The left and right clamping jaws of the first clamping mechanism 2 and the second clamping mechanism 3 are both staggered at unequal heights, and the number of left and right clamping jaws is not equal. The left and right clamping jaws staggered at unequal heights are more suitable for tobacco plants of different diameters and are easy to grasp.

[0035] In a further preferred solution, two adjacent layers of the clamping jaws on the same side of the first clamping mechanism 2 and the second clamping mechanism 3 are connected by a support rod 24, so that the clamping jaws on the same side can move synchronously.

[0036] In a further preferred solution, trapezoidal teeth are provided on the inner surfaces of the left and right clamping jaws of the first clamping mechanism 2 and the second clamping mechanism 3. The design of the trapezoidal teeth can increase the contact area between the clamping jaws and the tobacco, so that the clamping jaws can grasp the tobacco more stably and firmly.

[0037] In a further preferred solution, the size of the left and right clamping claws of the first clamping mechanism 2 is smaller than that of the left and right clamping claws of the second clamping mechanism 3. The second clamping mechanism 3 with a larger size is used at the lower part because the larger clamping claws have a larger gripping space and can better grip the tobacco plant. The top of the tobacco plant is smaller overall, so the smaller first clamping mechanism 2 can be used to grip it well. The first clamping mechanism 2 and the second clamping mechanism 3 cooperate with each other to grip the upper and lower parts of the tobacco plant more firmly.

[0038] In a further preferred solution, a Y-shaped baffle 33 is further provided below the second clamping mechanism 3, and the Y-shaped baffle 33 is fixedly connected to the second sleeve 102. The design of the Y-shaped baffle 33 can ensure that when the clamping claw grabs the target, the target can be grabbed to the middle position of the two clamping claws, and will not be stuck in the clamping claws, especially the clamping claws near the active and passive gears, affecting the opening and closing movement of the clamping claws.

[0039] The left and right cutting blades of the cutting knife assembly 5 are in the shape of cross scissors. The tobacco plant is cut in a cross-cutting manner from the outside to the inside to ensure that the incision is neat, which is conducive to the recovery of the tobacco plant and the growth of side branches. The outside refers to the direction away from the first motor and the transmission gear, and the inside refers to the direction close to the first motor and the transmission gear.

[0040] Working process: the depth camera accurately locates the top of the cigarette plant and transmits the signal to the controller. The controller controls the first steering engine 21 and the second steering engine 31 to start, and the left and right clamping claws of the first clamping mechanism and the second clamping mechanism are closed to hold the top of the cigarette plant and the lower end of the top of the cigarette plant. The first steering engine 21 and the second steering engine 31 transmit the information of holding in place to the controller. The controller controls the first motor to rotate and controls the left and right cutting blades 52 to close to cut off the top of the cigarette plant. The second motor rotates to drive the first sleeve 101 to rotate, and the first clamping mechanism 2 brings the cut top of the cigarette plant to the top of the cigarette plant top collection device 200. The controller controls The first servo 21 and the jaws of the first clamping mechanism open, and the cut tops of the tobacco plants fall into the tobacco plant top collecting device 200. While the first clamping mechanism rotates, the spraying mechanism 4 rotates to above the tobacco plants to spray the bud-inhibiting agent onto the tobacco plants, completing the topping and bud-inhibiting operations at the same time. After the bud-inhibiting agent is sprayed, the controller controls the second servo 31 to control the jaws of the second clamping mechanism 3 to open and release the tobacco plants. At the same time, the controller controls the first motor to reverse, and the left and right cutting blades 52 open to facilitate the next topping and cutting operation. The second motor 10 reverses, and the first sleeve 101 drives the first clamping mechanism 2 and the spraying mechanism 4 to reset.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several changes and improvements can be made without departing from the overall concept of the present invention, which should also be regarded as the scope of protection of the present invention.

Claims

1. A flue-cured tobacco topping and bud suppression device, characterized in that: The invention comprises a fixed rod (100) and a first sleeve (101) which are fixedly connected. The fixed rod (100) and the first sleeve (101) are both hollow structures. A tobacco plant distance measuring device (1) is installed on the upper end of the fixed rod (100). The first sleeve (101) is connected to a first clamping mechanism (2) and a spraying mechanism (4) along a circumferential direction. The lower end of the first sleeve (101) is connected to a second sleeve (102). A second motor is arranged inside the second sleeve (102) to drive the first sleeve (101) to rotate relative to the second sleeve (102). The first sleeve (101) rotates, thereby driving the spraying mechanism (4) to move to above the tobacco plant cutting point. The second sleeve (102) The side is fixedly connected to the second clamping mechanism (3); a cutting knife assembly (5) is further arranged between the first clamping mechanism (2) and the second clamping mechanism (3); the first clamping mechanism (2) and the second clamping mechanism (3) both comprise a steering gear, left and right clamping jaws and a transmission mechanism; the steering gear controls the opening and closing of the left and right clamping jaws through the transmission mechanism to achieve clamping of the tobacco plant; the cutting knife assembly (5) comprises a first motor, a transmission mechanism and left and right cutting blades; the first motor drives the opening and closing of the left and right cutting blades through the transmission mechanism to achieve cutting of the tobacco plant; the tobacco plant distance measuring device (1), the first motor, the second motor and the steering gear of the first clamping mechanism (2) and the second clamping mechanism (3) are all connected to a controller.

2. The device for topping and suppressing buds of flue-cured tobacco according to claim 1, characterized in that: The first clamping mechanism (2) and the spraying mechanism (4) are at an angle of 45-135 degrees.

3. The device for topping and suppressing buds of flue-cured tobacco according to claim 1, characterized in that: The left and right clamping jaws of the first clamping mechanism (2) and the second clamping mechanism (3) are both arranged in an alternating manner at unequal heights, and the numbers of the left and right clamping jaws are unequal.

4. The device for topping and suppressing buds of flue-cured tobacco according to claim 3, characterized in that: Two adjacent layers of clamping claws on the same side of the first clamping mechanism (2) and the second clamping mechanism (3) are connected by a support rod (24).

5. The device for topping and suppressing buds of flue-cured tobacco according to claim 1, 3 or 4, characterized in that: Trapezoidal teeth are provided on the inner surfaces of the left and right clamping jaws of the first clamping mechanism (2) and the second clamping mechanism (3).

6. The device for topping and suppressing buds of flue-cured tobacco according to claim 1, characterized in that: The size of the left and right clamping jaws of the first clamping mechanism (2) is smaller than the size of the left and right clamping jaws of the second clamping mechanism (3).

7. The device for topping and suppressing buds of flue-cured tobacco according to claim 1, characterized in that: A Y-shaped blocking rod (33) is also provided below the second clamping mechanism (3), and the Y-shaped blocking rod (33) is fixedly connected to the second sleeve (102).

8. The device for topping and suppressing buds of flue-cured tobacco according to claim 1, characterized in that: The left and right cutting blades of the cutting knife assembly (5) are in the shape of a cross scissors.

9. The device for topping and suppressing buds of flue-cured tobacco according to claim 1, characterized in that: The tobacco plant distance measuring device (1) is a depth camera.

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