Height-adjustable tobacco seedling leaf cutting device

Abstract

The utility model discloses a height-adjustable tobacco seedling leaf cutting device. Relates to the technical field of tobacco seedling cultivation auxiliary tools. Comprising a collecting box which is of a box body structure with one open end and the other closed end. Vertical plates on the two sides of the opening end of the collecting box are fixedly connected with extending extension plates. The U-shaped cover plate is reversely arranged, and side plates on the two sides of the U-shaped cover plate are adjustably connected with the two extension plates through adjusting assemblies correspondingly; a leaf cutting blade is rotationally connected to the bottom surface of a middle plate of the U-shaped cover plate; by adjusting the adjusting assembly, the U-shaped cover plate ascends and descends in the vertical direction, and then the operation height of the leaf cutting blade is adjusted; the operation height of the leaf cutting blade can be accurately adjusted, the technical problem that in the prior art, due to the leaf cutting blade with the fixed height, leaf cutting is too deep or too shallow is solved, and the leaf cutting requirements of tobacco seedlings in different growth stages can be met; crushed leaves can directly enter the collecting box through rotary shearing of the leaf shearing blades, and integration of the shearing process and the collecting process is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tobacco seedling cultivation auxiliary tool technical field more specifically relates to a height adjustable tobacco seedling leaf cutting device. BACKGROUND

[0002] In the process of flue-cured tobacco seedling, leaf cutting is the key link of cultivating strong seedlings, through inhibiting the excessive growth of tobacco seedling aboveground part, promoting root development, thereby improving the survival rate and stress resistance after transplanting.

[0003] In recent years, leaf cutting machine gradually replaces manual work because of its high efficiency, but the cutting blade of traditional leaf cutting machine is usually fixed height design, cannot dynamically adjust according to the growth stage of tobacco seedling. The demand of tobacco seedling in different growth periods for leaf cutting height is significantly different, and the fixed height leaf cutting device is easy to cause leaf cutting too deep (damage main stem or growth point) or too shallow (inadequate inhibition effect), which affects the uniformity and robustness of tobacco seedling.

[0004] Therefore, how to provide a height adjustable tobacco seedling leaf cutting device, accurate and convenient operation, and adapt to the growth demand of tobacco seedling, is the problem that the person skilled in the art needs to solve. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a height adjustable tobacco seedling leaf cutting device, aims at solving the above technical problem.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] A height adjustable tobacco seedling leaf cutting device, comprising:

[0008] The collecting box is a box structure with one end open and the other end closed, and the vertical plates on both sides of the open end of the collecting box are fixedly connected with the extended extension plates.

[0009] The U-shaped cover plate is arranged in reverse, and the side plates on both sides thereof are adjustably connected with the two extension plates through the adjusting assembly; the middle plate bottom surface of the U-shaped cover plate is rotatably connected with the leaf cutting blade; by adjusting the adjusting assembly, the U-shaped cover plate is lifted along the vertical direction, and the working height of the leaf cutting blade is adjusted.

[0010] By the technical scheme, the height-adjustable tobacco seedling leaf-cutting device is provided, the vertical lifting of the U-shaped cover plate is realized through the adjusting assembly, so that the working height of the leaf-cuting blade is accurately adjusted; the technical problem of too deep or too shallow leaf cutting caused by the fixed-height leaf-cutting blade in the prior art is solved, the leaf-cutting demand of the tobacco seedling in different growth stages can be met; the rotary cutting of the leaf-cuting blade makes the broken leaves directly enter the collecting box, the manual cleaning frequency is reduced, the process integration of cutting and collecting is realized, and the applicability and universality of the leaf-cutting device are improved.

[0011] Preferably, in the height-adjustable tobacco seedling leaf-cutting device, the extension plate is provided with a mounting hole, the side plate is provided with a sliding groove, the adjusting assembly comprises a bolt, the bolt passes through the sliding groove and the mounting hole in sequence and is locked by a nut. The adjusting assembly composed of the bolt and the nut, in combination with the mounting hole on the extension plate and the sliding groove on the side plate, realizes the adjustable connection of the U-shaped cover plate and the extension plate, provides a simple, reliable and easy-to-adjust mode, facilitates the quick and accurate adjustment of the height of the leaf-cuting blade according to actual demand, and ensures the accuracy and stability of the height adjustment of the leaf-cuting blade.

[0012] Preferably, in the height-adjustable tobacco seedling leaf-cutting device, the outer side wall of the extension plate is provided with a scale mark. The scale mark on the outer side wall of the extension plate provides an intuitive height reference (such as 5cm, 7cm and 10cm marks) for the operator, in combination with the sliding groove adjusting mechanism, the leaf-cutting height can be accurately positioned, the manual visual error (the height deviation can be controlled within ±0.5cm) is reduced, and the standardization and consistency of the leaf-cutting operation are ensured.

[0013] Preferably, in the height-adjustable tobacco seedling leaf-cutting device, a driving part is further included, the driving part comprises a power supply box and a motor; the power supply box is fixed to the top surface of the collecting box, and a battery is arranged in the power supply box; the motor is installed on the top surface of the middle plate, and a power output shaft of the motor is fixedly connected with the leaf-cutting blade through the middle plate; the motor is electrically connected with the battery through a connecting line. The mechanical driving of the leaf-cutting blade is realized, the traditional manual leaf-cutting mode is replaced, the leaf-cutting efficiency is improved, the labor intensity is reduced, and the device is suitable for large-scale seedling raising scenes.

[0014] Preferably, in the height-adjustable tobacco seedling leaf-cutting device, the number of the leaf-cutting blades is two, and the two leaf-cutting blades are symmetrically arranged on the bottom surface of the middle plate; the number of the motors is two, and the two motors provide power for the two leaf-cutting blades. The structure can expand the single cutting coverage area and reduce the number of repeated operations, and the two motors can drive the two leaf-cutting blades to rotate in the same direction or in opposite directions.

[0015] Preferably, in the height-adjustable tobacco seedling leaf cutting device, the connecting line is provided with a switch.

[0016] Preferably, in the height-adjustable tobacco seedling leaf cutting device, a protective cover is further arranged outside the motor and fixed to the top surface of the middle plate by bolts.

[0017] Preferably, in the height-adjustable tobacco seedling leaf cutting device, a U-shaped hand-held rod is further arranged, the bottom end of the first side rod of the U-shaped hand-held rod is fixed to the top surface of the collecting box, and the second side rod of the U-shaped hand-held rod is a telescopic rod and is fixed to the top surface of the protective cover.

[0018] Preferably, in the height-adjustable tobacco seedling leaf cutting device, the second side rod comprises an inner sleeve and an outer sleeve coaxially sleeved, the bottom end of the inner sleeve is fixedly connected to the top surface of the protective cover, the top end of the inner sleeve extends to the inner side of the outer sleeve, a through hole is arranged in the wall of the outer sleeve, and a plurality of threaded holes are arranged in the wall of the inner sleeve at intervals in the axial direction and are threadedly connected to the through hole by a fastener.

[0019] Preferably, in the height-adjustable tobacco seedling leaf cutting device, an adapter bottom plate is fixedly connected between the two extension plates and is in communication with the bottom wall of the collecting box, and a notch is arranged at the end of the adapter bottom plate away from the bottom wall of the collecting box.

[0020] Compared with the prior art, the height-adjustable tobacco seedling leaf cutting device has the following beneficial effects:

[0021] 1. The utility model discloses a height-adjustable tobacco seedling leaf cutting device, which comprises a base, a U-shaped cover plate, a U-shaped hand rod, a collecting box and a regulating assembly.

[0022] 2. The utility model discloses a scale mark on the outer wall of the extension plate and the U-shaped hand rod, which not only provides an intuitive height adjustment reference for the user, but also makes the whole operation process more convenient and accurate.

[0023] 3. The utility model discloses an opening end design of the collecting box and a notch of the connecting bottom plate, which optimizes the leaf collection path, and the cut leaves after the rotation of the leaf cutting blade can be collected into the collecting box, reducing the frequency of manual cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative labor.

[0025] Figure 1 The drawing is the axonometric view of the height-adjustable tobacco seedling leaf cutting device provided by the utility model;

[0026] Figure 2 The drawing is the structure schematic view of the collecting box and the U-shaped cover plate provided by the utility model;

[0027] Figure 3 The drawing is Figure 1 The structure schematic view of the U-shaped cover plate after height adjustment;

[0028] Figure 4 The drawing is the structure schematic view of the U-shaped hand rod provided by the utility model;

[0029] Figure 5 The drawing is the front view of the height-adjustable tobacco seedling leaf cutting device provided by the utility model.

[0030] Among them:

[0031] 1 - collection box; 11 - vertical plate; 2 - extension plate; 3 - U-shaped cover plate; 31 - side plate; 311 - sliding groove; 32 - middle plate; 4 - adjusting assembly; 41 - bolt; 42 - nut; 5 - leaf cutting blade; 6 - driving part; 61 - power box; 62 - connecting line; 621 - switch; 7 - protective cover; 8 - U-shaped hand-held rod; 81 - first side rod; 82 - second side rod; 821 - inner sleeve; 8211 - threaded hole; 822 - outer sleeve; 8221 - through hole; 823 - fastener; 9 - connecting base plate; 91 - notch. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Referring to the drawings Figure 1 to the drawings Figure 5 The present application discloses a height-adjustable tobacco seedling leaf cutting device, comprising:

[0034] The collection box 1 is an open box structure with one end open and the other end closed. The vertical plates 11 on both sides of the open end of the collection box 1 are fixedly connected with the extended extension plates 2.

[0035] The U-shaped cover plate 3 is arranged upside down, and the side plates 31 on both sides thereof are adjustably connected with the two extension plates 2 through the adjusting assemblies 4. The middle plate 32 of the U-shaped cover plate 3 is rotatably connected with the leaf cutting blade 5 on the bottom surface. By adjusting the adjusting assembly 4, the U-shaped cover plate 3 is lifted along the vertical direction, thereby adjusting the working height of the leaf cutting blade 5.

[0036] In order to further optimize the above technical solution, mounting holes are formed on the extension plates 2, and sliding grooves 311 are formed on the side plates 31. The adjusting assembly 4 comprises a bolt 41, which passes through the sliding grooves 311 and the mounting holes in sequence and is locked by a nut 42.

[0037] In order to further optimize the above technical solution, as shown in Figure 1 or 2, two mounting holes are formed on each extension plate 2, and two parallel sliding grooves corresponding to the mounting holes are formed on each side plate 31.

[0038] In order to further optimize the above technical solution, the outer side wall of the extension plate 2 has a scale mark.

[0039] In order to further optimize the above technical scheme, the size of the collecting box 1 and the U-shaped cover plate 3 can be determined / formulated according to different tobacco seedling growth conditions, floating plate size of the loaded tobacco seedlings and the like.

[0040] In order to further optimize the above technical scheme, the driving part 6 is further included, the driving part 6 includes a power supply box 61 and a motor; the power supply box 61 is fixed on the top surface of the collecting box 1, and a battery is arranged in the power supply box 61; the motor is installed on the top surface of the middle plate 32, and a power output shaft of the motor is fixedly connected with the leaf cutting blade 5 through the middle plate 32; the motor is electrically connected with the battery through a connecting line 62.

[0041] In order to further optimize the above technical scheme, the number of the leaf cutting blades 5 is two, and the two leaf cutting blades 5 are symmetrically arranged on the bottom surface of the middle plate 32; the number of the motors is two, and the two motors provide power for the two leaf cutting blades 5 respectively.

[0042] In order to further optimize the above technical scheme, the two leaf cutting blades 5 do not interfere with each other when rotating.

[0043] In order to further optimize the above technical scheme, the two leaf cutting blades 5 rotate in the same direction.

[0044] In order to further optimize the above technical scheme, the connecting line 62 is provided with a switch 621.

[0045] In order to further optimize the above technical scheme, the protective cover 7 is further included, the protective cover 7 covers the outside of the motor and is fixed on the top surface of the middle plate 32 through bolts.

[0046] In order to further optimize the above technical scheme, the U-shaped handheld rod 8 is further included, a bottom end of a first side rod 81 of the U-shaped handheld rod 8 is fixed on the top surface of the collecting box 1, and a second side rod 82 of the U-shaped handheld rod 8 is a telescopic rod and a bottom end of the second side rod 82 is fixed on the top surface of the protective cover 7.

[0047] In order to further optimize the above technical scheme, the second side rod 82 includes an inner sleeve 821 and an outer sleeve 822 which are coaxially sleeved, a bottom end of the inner sleeve 821 is fixedly connected with the top surface of the protective cover 7, a top end of the inner sleeve 821 extends to the inner side of the outer sleeve 822, a plurality of threaded holes 8211 are arranged on the pipe wall of the inner sleeve 821 at intervals in the axial direction, and fasteners 823 are threadedly connected with the threaded holes 8211 through through holes 8221 in the pipe wall of the outer sleeve 822.

[0048] In order to further optimize the above technical scheme, the fasteners 823 are bolts.

[0049] In order to further optimize the above technical scheme, the two extension plates 2 are fixedly connected with a connecting bottom plate 9 which is in communication with the bottom wall of the collecting box 1, and a gap 91 is arranged at an end of the connecting bottom plate 9 away from the bottom wall of the collecting box 1.

[0050] The embodiment of the utility model is:

[0051] In use, according to the growth of tobacco seedlings, the nut 42 is loosened, the U-shaped cover plate 3 is adjusted to the target height along the sliding groove 311, and the nut 42 is tightened; the U-shaped hand-held rod 8 is held by hand, the bottom wall of the collecting box 1 and the bottom of the two extension plates 2 are placed on the two side edges of the floating plate on which the tobacco seedlings are planted correspondingly, it is ensured that the leaf cutting blade is parallel to the leaf, and the device is slowly moved to complete leaf cutting; the cut leaf enters the collecting box 1 through the gap 91, and after pruning is completed, the cut leaf in the collecting box 1 is cleaned.

[0052] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other. For the device disclosed by the embodiments, since it corresponds to the method disclosed by the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0053] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications of the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A height adjustable tobacco seedling leaf pruning device, characterized in that, Include: Collecting box (1), the collecting box (1) is the box structure of one end opening, the other end is closed; the vertical plate (11) of the both sides of the open end of the collecting box (1) is fixedly connected with the extended extension plate (2) of extension; U-shaped cover plate (3), the U-shaped cover plate (3) is arranged in reverse, and the side plate (31) of its both sides is respectively connected with two extension plates (2) through adjusting assembly (4) adjustable; the bottom surface of the middle plate (32) of the U-shaped cover plate (3) is rotatably connected with the leaf shear blade (5); by adjusting the adjusting assembly (4), the U-shaped cover plate (3) is lifted along the vertical direction, and then the working height of the leaf shear blade (5) is adjusted.

2. The height adjustable tobacco seedling leaf pruning apparatus according to claim 1, wherein, The mounting hole is formed in the extension plate (2), the sliding slot (311) is formed in the side plate (31), the adjusting assembly (4) includes a bolt (41), the bolt (41) passes through the sliding slot (311) and the mounting hole in sequence, and is locked by a nut (42).

3. The height adjustable tobacco seedling leaf pruning apparatus of claim 1, wherein, The outer side wall of the extension plate (2) has a scale mark.

4. The height adjustable tobacco seedling leaf pruning apparatus of claim 1, wherein, It also includes a driving part (6), the driving part (6) includes a power box (61) and a motor; the power box (61) is fixed on the top surface of the collecting box (1), and a battery is arranged in the power box (61); the motor is installed on the top surface of the middle plate (32), and the power output shaft of the motor is fixedly connected with the leaf shear blade (5) through the middle plate (32); the motor is electrically connected with the battery through a connecting line (62).

5. A height adjustable tobacco seedling leaf pruning apparatus according to claim 4, wherein, The number of the leaf shear blade (5) is two, and the two leaf shear blades (5) are symmetrically arranged on the bottom surface of the middle plate (32); the number of the motor is two, and the two motors provide power for the two leaf shear blades (5) respectively.

6. A height adjustable tobacco seedling leaf pruning apparatus as claimed in claim 4, wherein, The connecting line (62) has a switch (621).

7. A height adjustable tobacco seedling leaf pruning apparatus as claimed in claim 4, wherein, It also includes a protective cover (7), the protective cover (7) covers the outside of the motor, and is fixed on the top surface of the middle plate (32) by a bolt.

8. A height adjustable tobacco seedling leaf pruning apparatus according to claim 7, wherein, It also includes a U-shaped hand-held rod (8), the bottom end of the first side rod (81) of the U-shaped hand-held rod (8) is fixed on the top surface of the collecting box (1), and the second side rod (82) of the U-shaped hand-held rod (8) is a telescopic rod, and the bottom end of the second side rod (82) is fixed on the top surface of the protective cover (7).

9. A height adjustable tobacco seedling leaf pruning apparatus according to claim 8, wherein, The second side rod (82) includes an inner sleeve (821) and an outer sleeve (822) coaxially sleeved, the bottom end of the inner sleeve (821) is fixedly connected with the top surface of the protective cover (7), the top end of the inner sleeve (821) extends to the inner side of the outer sleeve (822), a through hole is formed in the wall of the outer sleeve (822), a plurality of threaded holes (8211) are formed in the wall of the inner sleeve (821) at intervals along the axial direction, and the threaded holes (8211) are threadedly connected with the through hole (8221) through a fastener (823).

10. The height adjustable tobacco seedling leaf pruning apparatus of claim 1, wherein, Two extension plates (2) are fixedly connected with an adapter bottom plate (9) communicated with the bottom wall of the collecting box (1), and a notch (91) is formed in the end of the adapter bottom plate (9) away from the bottom wall of the collecting box (1).

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