Integrated device for harvesting asparagus lettuce and removing old leaves

Abstract

The utility model relates to an integrated device for harvesting asparagus lettuce and removing old leaves. Through combined cooperation of several parts, the function of integrating harvesting and leaf removing of asparagus lettuce is achieved. According to the technical scheme, the device comprises a rack, propelling handrails are arranged at the rear end of the rack, and a receiving box is arranged between the two propelling handrails; a leaf removing device is arranged on the machine frame, a pair of side plates are arranged on the two sides of the machine frame, and a pushing conveying belt and a reversing conveying belt which move reversely are arranged between the side plates. A restraining baffle is arranged on the rack on one side of the reverse conveying belt, the front end of the restraining baffle is in a C shape, and a harvesting blade is arranged on the rack on the lower portion of the C-shaped restraining baffle. The leaf removing device comprises parallel guide rails, a connecting rod, a crank and a crank slider motor, the crank is arranged on one side of the rack and hinged to one end of the connecting rod, the other end of the connecting rod is hinged to a leaf removing blade, the two parallel guide rails are connected to the rack, each guide rail is sleeved with a slider, and the two ends of the leaf removing blade are arranged on the sliders.

Description

Technical Field

[0001] The utility model relates to the technical field of lettuce harvesters, in particular to an integrated device for harvesting lettuce and removing old leaves. Background Art

[0002] When lettuce matures, it needs to be harvested. The harvesting operation is mainly divided into two parts: the first is to cut the lettuce growing on the ground from the root, and the second is to remove the old and yellow leaves of the cut lettuce. However, there are still some problems with the existing lettuce harvesting and old leaf removal devices.

[0003] The patent number is "202322753260.3", and the patent name is "A semi-automatic lettuce harvesting device". The problem it has is that the lettuce leaves can only be removed one by one, and it is necessary to stay in place for a period of time when removing a lettuce leaf. Therefore, the efficiency is relatively low in the actual production application process, and it is only suitable for relatively small-scale harvesting.

[0004] The patent number is "202311530399.X", and the patent name is "A hand-pushed double-row lettuce harvesting and leaf removal machine". The problem is that the edible part of the lettuce also includes the tender leaves at the top. When the machine removes the leaves, the tender leaves at the top will be removed together, causing a certain amount of waste. In addition, the device has a complex structure and the lettuce planting environment is complex. It may not necessarily achieve good results in actual application. In addition, it is large in size and weight, and the machine is inconvenient to transport in actual use. Utility Model Content

[0005] In view of this, the utility model provides an integrated device for harvesting and removing old leaves of lettuce.

[0006] Compared with the prior art, the technical solution adopted by the utility model is: an integrated device for harvesting and removing old leaves of lettuce, comprising a frame, a propulsion handrail is arranged at the rear end of the frame, a receiving box is arranged between the two propulsion handrails, and a battery is arranged at the bottom of the frame; a leaf removal device is arranged on the frame, a pair of side plates are arranged on both sides of the frame, a push conveyor belt and a reversing conveyor belt are arranged between the side plates, the push conveyor belt and the reversing conveyor belt move in opposite directions, and horizontal baffle teeth are evenly distributed on the push conveyor belt; a restraining baffle is arranged on the frame on one side of the reversing conveyor belt, the front end of the restraining baffle is C-shaped, and a harvesting blade is arranged on the frame below the C-shaped restraining baffle;

[0007] The structure of the defoliating device includes two parallel guide rails, a connecting rod, a crank and a crank slider motor. The crank is arranged on one side of the frame and is powered by the crank slider motor. The crank is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the defoliating blade. The two parallel guide rails are respectively connected to the frame, and each guide rail is provided with a slider. The two ends of the defoliating blade are arranged on the slider and slide on the guide rail through the slider.

[0008] Furthermore, a rotating shaft is provided at the front end of the frame, a transmission shaft is provided between a pair of side plates, the push conveyor belt is arranged between the front end transmission shaft of the frame and the rotating shaft on the side plate, and the push conveyor belt is moved by the power provided by the push conveyor belt motor; a bearing is sleeved at one end of the rotating shaft of the side plate, a reversing conveying motor is provided on the frame, a reversing conveying motor is provided on the reversing conveying motor, the reversing conveying motor wheel is provided, the reversing conveyor belt is arranged between the bearing and the reversing conveying motor wheel, and the reversing conveyor belt is powered by the reversing conveying motor.

[0009] Further, the surface of the reverse conveyor belt is a rough surface, and the surface of the push conveyor belt is a smooth surface.

[0010] Furthermore, the defoliating blade is a toothed blade.

[0011] Furthermore, one end of the push conveyor belt is arranged on the upper part of the receiving box.

[0012] Furthermore, the harvesting blade is a disc-shaped blade.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1) The utility model realizes reverse motion by means of a push conveyor belt and a reversing conveyor belt, so that the lettuce is rotated along the axial direction of the lettuce on the smooth push conveyor belt, and then the leaf removal is realized by means of a leaf removal blade.

[0015] 2) When harvesting lettuce, the utility model can simultaneously cut the root of the lettuce and remove the leaves, thereby effectively improving the harvesting efficiency of the lettuce.

[0016] 3) When harvesting and removing leaves of lettuce, the utility model can retain the useful tender leaves on the top of the lettuce as much as possible by adjusting the reciprocating stroke of the leaf removing device, thereby reducing waste.

[0017] 4) The utility model drives the leaf-removing blade through the reciprocating motion of the slider to not only remove the lettuce leaves, but also peel the removed leaves off the device.

[0018] 5) The utility model has a simple structure, good stability, small overall volume and weight, and can be well applied to the work of harvesting and removing leaves of lettuce. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 for Figure 1 Side view of

[0021] Figure 3 A schematic diagram of the structure of the utility model for removing the leaf removal device;

[0022] Figure 4 It is a structural schematic diagram of the leaf removal device of the utility model.

[0023] Marking description: 1-cutting blade, 2-restraint baffle, 3-push conveyor belt, 4-frame, 5-leaf removal device, 6-reverse conveyor belt, 7-side plate, 8-propelling handrail, 9-push conveyor belt motor, 10-harvesting compartment, 11-battery, 12-leaf removal blade, 13-slider, 14-guide rail, 15-connecting rod, 16-crank, 17-crank slider motor, 18-bearing, 19-reverse conveyor motor wheel, 20-reverse conveyor motor wheel, 21-gear. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] The harvesting process of the utility model is completed through the steps of supporting, harvesting and bundling, conveying, collecting, etc.

[0026] This embodiment: an integrated device for harvesting and removing old leaves of lettuce, such as Figure 1-Figure 4 As shown, it includes a frame 4, a propulsion handrail 8 is provided at the rear end of the frame 4, a receiving box 10 is provided between the two propulsion handrails 8, and a battery 11 is provided at the bottom of the frame 4 for supplying power to each motor of the device;

[0027] As an implementation method in this embodiment, a pair of side plates 7 are arranged on both sides of the frame 4, a rotating shaft is arranged at the front end of the frame 4, a transmission shaft is arranged between the pair of side plates, the push conveyor belt 3 is arranged between the front end transmission shaft of the frame 4 and the rotating shaft on the side plate 7, and the push conveyor belt 3 is powered by the push conveyor belt motor 9 for movement; one end of the rotating shaft of the side plate 7 is sleeved with a bearing 18, a reversing conveying motor 20 is arranged on the frame 4, a reversing conveying motor wheel 19 is arranged on the reversing conveying motor 20, the reversing conveyor belt 6 is arranged between the bearing 18 and the reversing conveying motor wheel 19, and the reversing conveyor belt 6 is powered by the reversing conveying motor 20; the push conveyor belt 3 and the reversing conveyor belt 6 move in opposite directions, and transverse baffle teeth 21 are evenly distributed on the push conveyor belt 3; a constraint baffle 2 is arranged on the frame 4 on one side of the reversing conveyor belt 6, the front end of the constraint baffle 2 is C-shaped, and a harvesting blade 1 is arranged on the frame 4 below the C-shaped constraint baffle 2.

[0028] As an implementation method in this embodiment, a defoliation device 5 is provided on the frame 4, and the structure of the defoliation device 5 includes two parallel guide rails 14, a connecting rod 15, a crank 16 and a crank slider motor 17. The crank 16 is arranged on one side of the frame 4 and is powered by the crank slider motor 17. The crank 16 is hinged to one end of the connecting rod 15, and the other end of the connecting rod 15 is hinged to the defoliation blade 12. The two parallel guide rails 14 are respectively connected to the frame 4, and each guide rail 14 is sleeved with a slider 13. The two ends of the defoliation blade 12 are arranged on the slider 13, and the slider 13 is used to slide on the guide rail 14. Figure 4 shown.

[0029] As an implementation method in this embodiment, the surface of the reverse conveyor belt 6 is a rough surface, and the surface of the push conveyor belt 3 is a smooth surface.

[0030] As an implementation method in this embodiment, the defoliating blade 12 is a toothed blade.

[0031] As an implementation method in this embodiment, one end of the push conveyor belt 3 is arranged on the upper part of the receiving box 10.

[0032] As an implementation method in this embodiment, the harvesting blade 1 is a disc-shaped blade.

[0033] Working process of this utility model:

[0034] Working process: the integrated device for harvesting and removing old leaves of lettuce adopts a propulsion armrest 8 to advance. When working, the propulsion armrest 8 is pushed forward by manpower to make the device move forward, and the lettuce is constrained by the constraint baffle 2 and aligned with the cutting blade 1. The cutting blade 1 cuts the lettuce from the root, and then under the action of the constraint baffle 2, the lettuce falls to the push conveyor 3, and the push conveyor 3 is driven by the push conveyor motor 9. The push conveyor surface is smooth and has gears 21, which can transport the lettuce obliquely upward. When transported to a certain position, the root of the lettuce contacts the reversing conveyor 6. The conveyor surface is rough and the friction coefficient is large. The reversing conveyor 6 moves in the opposite direction to the push conveyor 3. The friction force of the reversing conveyor 6 causes the lettuce to rotate along the axis of the lettuce on the smooth push conveyor 3. At the same time, the leaf removal device 5 (a crank slider mechanism is used as a reciprocating device in this example) drives the leaf removal blade 12 to reciprocate to remove the old and yellow leaves of the lettuce. The utility model realizes 360-degree removal of the lettuce leaves through the linkage of the push conveyor belt 3, the reverse conveyor belt 6, and the leaf removal device 5. After the leaves are removed, the push conveyor belt 3 continues to push, and then the leaf-removed lettuce falls into the harvesting chamber 10, completing the integrated operation of harvesting and leaf removal of the lettuce. The whole is driven by electricity, and the battery 11 is installed at the bottom of the device through the battery box.

[0035] The above is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. For the binding embodiment, binding with various forms of push rods is within the protection scope of the present invention.

[0036] In the above description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed above.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An integrated device for harvesting and removing old leaves of lettuce, comprising a frame (4), a propulsion handrail (8) being arranged at the rear end of the frame (4), a receiving box (10) being arranged between two propulsion handrails (8), and a battery (11) being arranged at the bottom of the frame (4); a leaf removal device (5) being arranged on the frame (4), characterized in that: A pair of side plates (7) are arranged on both sides of the frame (4); a push conveyor belt (3) and a reversing conveyor belt (6) are arranged between the side plates (7); the push conveyor belt (3) and the reversing conveyor belt (6) move in opposite directions; and transverse retaining teeth (21) are evenly distributed on the push conveyor belt (3); a restraining baffle (2) is arranged on the frame (4) on one side of the reversing conveyor belt (6); a front end of the restraining baffle (2) is C-shaped; and a harvesting blade (1) is arranged on the frame (4) below the C-shaped restraining baffle (2); The structure of the defoliating device (5) comprises two parallel guide rails (14), a connecting rod (15), a crank (16) and a crank slider motor (17). The crank (16) is arranged on one side of the frame (4) and is powered by the crank slider motor (17). The crank (16) is hinged to one end of the connecting rod (15), and the other end of the connecting rod (15) is hinged to the defoliating blade (12). The two parallel guide rails (14) are respectively connected to the frame (4), and each guide rail (14) is provided with a slider (13). The two ends of the defoliating blade (12) are arranged on the slider (13) and slide on the guide rail (14) through the slider (13).

2. The integrated device for harvesting and removing old leaves of lettuce according to claim 1, characterized in that: The front end of the frame (4) is provided with a rotating shaft, a transmission shaft is provided between a pair of side plates, the push conveyor belt (3) is arranged between the front end transmission shaft of the frame (4) and the rotating shaft on the side plate (7), and the push conveyor belt (3) is moved by the power provided by the push conveyor belt motor (9); one end of the rotating shaft of the side plate (7) is sleeved with a bearing (18), a reversing transmission motor (20) is provided on the frame (4), a reversing transmission motor wheel (19) is provided on the reversing transmission motor (20), the reversing conveyor belt (6) is arranged between the bearing (18) and the reversing transmission motor wheel (19), and the reversing conveyor belt (6) is provided with power by the reversing transmission motor (20).

3. The integrated device for harvesting and removing old leaves of lettuce according to claim 1 or 2, characterized in that: The surface of the reversing conveyor belt (6) is a rough surface, and the surface of the pushing conveyor belt (3) is a smooth surface.

4. The integrated device for harvesting and removing old leaves of lettuce according to claim 3, characterized in that: The defoliating blade (12) is a toothed blade.

5. The integrated device for harvesting and removing old leaves of lettuce according to claim 4, characterized in that: One end of the push conveyor belt (3) is arranged on the upper part of the receiving box (10).

6. The integrated device for harvesting and removing old leaves of lettuce according to claim 5, characterized in that: The harvesting blade (1) is a disc-shaped blade.

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