Automatic vegetable harvesting and sorting device

Abstract

The invention relates to an automatic vegetable harvesting and sorting device, which belongs to the field of agricultural machinery. The device comprises a conveying mechanism and a root cutting mechanism, a vegetable cutting mechanism, a weighing and sorting mechanism and a root cleaning mechanism which are sequentially arranged along the conveying mechanism. The root cutting mechanism is used for cutting off the fibrous roots at the bottom of the vegetables. The vegetable cutting mechanism and the weighing and sorting mechanism are relatively arranged on both sides of the conveying mechanism. The vegetable cutting mechanism cuts off the vegetable leaves, the weighing and sorting mechanism weighs and sorts the cut vegetable leaves, and the root cleaning mechanism is used for separating the roots of the vegetables from the plug tray, thereby realizing the automation of the primary processing of leafy vegetables, greatly saving labor and having broad market prospects.

Description

Technical Field

[0001] The invention belongs to the field of agricultural machinery, and in particular relates to an automatic vegetable harvesting and sorting device. Background Art

[0002] With the continuous development of science and technology, my country's agricultural technology has also been continuously improving. The harvesting of agricultural and sideline products in the past has gradually been replaced by mechanization instead of manual labor. Soilless cultivation technology is already a very mature technology. Soilless cultivated leafy vegetables have the advantages of small footprint and high yield and are widely used. Because they are fixed in the plug tray during the cultivation process, it provides conditions for the mechanized harvesting of plug-grown vegetables. Unlike ordinary field crops, after harvesting, the initial processing of a large number of leafy vegetables: rooting, cutting and other steps occupy a lot of manpower and time, and the efficiency of the initial processing is low. It is of great significance to realize the mechanized and intelligent initial processing of leafy vegetables. Summary of the invention

[0003] In view of the various deficiencies of the prior art, a device is proposed which can automatically cut the roots and leaves of vegetables on a conveyor line and weigh and sort them, thereby greatly improving the efficiency of leafy vegetable processing.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A vegetable automatic harvesting and sorting device comprises a conveying mechanism and a root cutting mechanism, a vegetable cutting mechanism, a weighing and sorting mechanism and a root cleaning mechanism which are sequentially arranged along the conveying mechanism. The root cutting mechanism is used to cut off the fibrous roots at the bottom of the vegetables. The vegetable cutting mechanism and the weighing and sorting mechanism are relatively arranged on both sides of the conveying mechanism. The vegetable cutting mechanism cuts off the vegetable leaves. The weighing and sorting mechanism weighs and sorts the cut vegetable leaves. The root cleaning mechanism is used to separate the roots of the vegetables from the plug tray.

[0006] Preferably, the conveying mechanism includes a support frame and two wheel group fixing grooves arranged in parallel. The wheel group fixing grooves are fixed on the support frame, and a plurality of groups of vertical support wheels are fixed on the adjacent side thereof for supporting the bottom of the hole tray, and a plurality of groups of horizontal driving wheels and driven wheels are respectively arranged on the upper surfaces of the two groups of wheel group fixing grooves. A space for accommodating the hole tray is formed between the driving wheel, the driven wheel and the support wheels on both sides, and the driving wheel is connected to the output end of the driving motor for driving the hole tray to move along the conveying mechanism.

[0007] Preferably, the driven wheel is fixedly connected to a driven wheel fixing strip located in the wheel set fixing groove, and the driven wheel fixing strip is slidably connected to the wheel set fixing groove via a connecting column and a spring, and is used to adjust the spacing between the driving wheel and the driven wheel to adapt to hole plates of different widths.

[0008] Preferably, the driving wheel is fixedly connected to the upper surface of the wheel set fixing groove, and the multiple driving wheels are synchronously driven by sprockets and chains.

[0009] Preferably, the root cutting mechanism includes a root cutting knife, a rotating motor and a root collecting groove. The root cutting knife is located between the two wheel group fixing grooves. The output end of the rotating motor is connected to the root cutting knife to drive the root cutting knife to rotate, thereby achieving the cutting of the root fibers at the bottom of the vegetables. The root collecting groove is arranged below the root cutting knife and along the conveying mechanism to receive the cut root fibers.

[0010] Preferably, the vegetable cutting mechanism comprises a horizontally arranged vegetable cutting cylinder and a vegetable cutting knife, the vegetable cutting cylinder is fixedly connected to the support frame, and the vegetable cutting knife is fixedly connected to the piston end of the vegetable cutting cylinder for cutting vegetables.

[0011] Preferably, the weighing and sorting mechanism includes a weighing fixed frame, a first conveyor belt and a conveyor belt fixed on the weighing fixed frame, the first conveyor belt is fixed on the support frame and arranged opposite to the vegetable cutting mechanism, and is used to receive and convey the cut vegetable leaves, the conveyor belt is arranged below the first conveyor belt, and a weight sensor is provided on the conveyor belt for weighing the cut vegetables.

[0012] Preferably, the root cleaning mechanism is arranged astride the conveying mechanism, and comprises a mounting frame, a root cleaning cylinder and a root cleaning hole head. The mounting frame is fixed on the supporting frame, the root cleaning cylinder is arranged in the vertical direction and is fixedly connected to the upper part of the mounting frame, and a root cleaning hole head is fixedly provided on the piston end thereof for cleaning the vegetable roots in the hole tray.

[0013] Preferably, a plurality of the root cleaning hole heads are provided, and the plurality of root cleaning hole heads are arranged at intervals along the conveying direction of the vegetables.

[0014] Preferably, a frame shield is provided on the periphery of the conveying mechanism to protect the conveying mechanism, and a vegetable cutting shield is provided above the vegetable cutting mechanism to prevent debris from falling in.

[0015] The beneficial effects of the present invention are:

[0016] 1. The present invention comprises a conveying mechanism, a root cutting mechanism, a vegetable cutting mechanism, a weighing and sorting mechanism and a root cleaning mechanism. On the conveying mechanism, the harvested leafy vegetables can be cut into roots, stems and leaves can be cut off, and weighed and sorted in sequence, thereby realizing the automation of the primary processing of leafy vegetables and greatly saving labor.

[0017] 2. The conveying mechanism includes a supporting wheel, a driving wheel and a driven wheel. The driving wheel rotates to drive the plug tray with vegetables to be conveyed on the supporting wheel, thereby realizing automatic conveying.

[0018] 3. The driven wheel is elastically connected to the wheel set fixing groove, and can slide on the wheel set fixing groove to adjust the distance between the driving wheel and the driven wheel, adapt to hole plates of different sizes, and have a wide range of applications.

[0019] 4. The root cutting mechanism is provided with a rotatable root cutting knife. The root cutting knife can quickly rotate to cut off the fibrous roots of the vegetables under the plug tray. It has a simple structure and saves time and effort.

[0020] 5. The cutting mechanism is provided with a first conveyor belt, which can directly convey the cut vegetable leaves to the conveyor belt through the first conveyor belt and weigh them, and the structure is compact.

[0021] 6. The root cleaning mechanism is provided with a root cleaning cylinder and a root cleaning hole head. The root cleaning cylinder moves downward, and the root cleaning hole head moves downward accordingly, flushing the vegetable roots in the hole tray out of the hole tray, thereby achieving the purpose of root cleaning with a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a structural diagram of the root cutting structure;

[0024] Figure 3 It is another structural diagram of the root cutting structure;

[0025] Figure 4 It is a structural schematic diagram of a vegetable cutting mechanism;

[0026] Figure 5 It is a schematic diagram of the structure of the root cleaning mechanism;

[0027] Figure 6 It is another structural diagram of the root cleaning mechanism.

[0028] In the attached figure:

[0029] 1-transport mechanism, 101-support frame, 102-wheel set fixing groove, 103-support wheel, 104-driving wheel, 105-driven wheel, 106-driven wheel fixing strip, 107-connecting column, 108-spring;

[0030] 2-root cutting mechanism, 201-root cutting knife;

[0031] 3-vegetable cutting mechanism, 301-vegetable cutting cylinder, 302-vegetable cutting knife;

[0032] 4- weighing and sorting mechanism, 401- weighing fixed frame, 402- conveyor belt, 403- first conveyor belt;

[0033] 5-root cleaning mechanism, 501-mounting frame, 502-root cleaning cylinder, 503-root cleaning hole head, 504-cylinder mounting plate, 505-hole head mounting plate;

[0034] 6-Frame guard;

[0035] 7-Chopping guard. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0037] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

[0038] like Figure 1-Figure 6 As shown, an automatic vegetable harvesting and sorting device comprises a conveying mechanism 1 and a root cutting mechanism 2, a vegetable cutting mechanism 3, a weighing and sorting mechanism 4 and a root cleaning mechanism 5 which are sequentially arranged along the conveying mechanism 1. The plug tray with vegetables is conveyed by the conveying mechanism 1 to the root cutting mechanism 2, and the fibrous roots at the bottom of the vegetables are cut off; the plug tray with vegetables continues to be conveyed forward to the vegetable cutting mechanism 3, and the vegetable cutting mechanism 3 and the weighing and sorting mechanism 4 are arranged on both sides of the conveying mechanism 1 opposite to each other. The vegetable cutting mechanism 3 cuts off the vegetable leaves, and the weighing and sorting mechanism 4 weighs and sorts the cut vegetable leaves and conveys them. The rhizomes remaining in the plug tray are conveyed by the conveying mechanism 1 to the root cleaning mechanism 5, and the rhizomes of the vegetables are separated from the plug tray.

[0039] The conveying mechanism 1 includes a support frame 101 and two parallel wheel set fixing grooves 102. The wheel set fixing grooves 102 are groove-shaped and extend along the conveying direction of the vegetables, and are fixedly connected to the support frame 101. A plurality of freely rotatable support wheels 103 are arranged on one side adjacent to the two sets of wheel set fixing grooves 102. The plurality of support wheels 103 are arranged along the vertical direction and are arranged along the length direction of the wheel set fixing grooves 102. At the same time, in order to better convey the hole tray, the plurality of support wheels 103 are located in the same horizontal plane. A plurality of driving wheels 104 are arranged on the upper surface of one set of wheel set fixing grooves 102, and a plurality of driven wheels 105 are arranged on the upper surface of the other set of driven wheel fixing grooves 102. The driving wheels 104 are fixedly connected to the upper surface of the wheel set fixing grooves 102, and the plurality of driving wheels 104 are synchronously driven by sprockets and chains.

[0040] The driving wheel 104 and the driven wheel 105 are both arranged in the horizontal direction, and at the same time, the highest point of the support wheel 103 is not higher than the plane where the driving wheel 104 and the driven wheel 105 are located. A space for accommodating the plug tray is formed between the driving wheel 104, the driven wheel 105 and the support wheels 103 on both sides. In addition, a driving motor is arranged below the support frame 101, and the output end of the driving motor drives the driving wheel 104 to rotate through a sprocket and a chain, that is, the driving wheel 104 rotates to drive the plug tray to move forward, and the other side of the plug tray abuts against the driven wheel 105, and its lower bottom surface abuts against the support wheel 103, and the plug tray is driven by the driving wheel 104 to realize forward transportation.

[0041] Specifically, the driven wheel 105 is fixed on the driven wheel fixing strip 106, which is in the shape of a strip and slidably connected to the wheel set fixing groove 102, and is used to adjust the distance between the driving wheel 104 and the driven wheel 105 to adapt to different sizes of hole trays. An elastic component is arranged between a side of the driven wheel fixing strip 106 away from the supporting wheel 103 and a side of the adjacent wheel set fixing groove 102, the elastic component comprises a connecting column 107, a spring 108 and a spring fixing seat, a mounting hole for accommodating the connecting column 107 is arranged on the wheel set fixing groove 102, the spring 108 is sleeved on the connecting column 107 and is located between the driven wheel fixing strip 106 and the wheel set fixing groove 102, one end of the connecting column 107 is fixedly connected to the driven wheel fixing strip 106, and the other end thereof is fixed to the wheel set fixing groove 102 through the spring fixing seat, that is to say, if the size of the hole tray is larger than the spacing between the driving wheel 104 and the driven wheel 105, the hole tray will squeeze the driven wheel 105 during the conveying process, and the driven wheel 105 moves in the groove of the wheel set fixing groove 102 through the elastic component to adjust the spacing between the driven wheel 105 and the driving wheel 104, and has strong adaptability.

[0042] The root cutting mechanism 2 includes a root cutting knife 201, a rotating motor and a root collecting groove. The root cutting knife 201 is located between two sets of wheel group fixing grooves 102, specifically, between two sets of supporting wheels 103 arranged opposite to each other. The root cutting knife 201 is arranged in a circular shape. The rotating motor is fixedly arranged below the supporting frame 101. Its output end is connected to the root cutting knife 201 to drive the root cutting knife 201 to rotate, thereby achieving the cutting of the vegetable root fibers at the bottom of the plug tray. At the same time, a root collecting groove is arranged below the supporting frame 101 corresponding to the root cutting knife 201 to receive the cut root fibers. In this embodiment, the cross section of the root collecting groove is rectangular and is arranged along the conveying mechanism 1.

[0043] The vegetable cutting mechanism 3 includes a horizontally arranged vegetable cutting cylinder 301 and a vegetable cutting knife 302. The vegetable cutting cylinder 301 is arranged in the horizontal direction, and its cylinder end is fixedly connected to the support frame 101, and its piston end is fixedly connected to the vegetable cutting knife 302, and is used to cut vegetables on the conveying mechanism 1. In this embodiment, the vegetable cutting cylinder 301 is connected to a photoelectric sensor installed on the support frame 101, and the working frequency of the vegetable cutting cylinder 301 is controlled by the photoelectric sensor to cooperate with the conveying mechanism 1.

[0044] The weighing and sorting mechanism 4 includes a weighing fixed frame 401, a conveyor belt 402 fixed on the weighing fixed frame 401, and a first conveyor belt 403 fixedly connected to the support frame 101. The first conveyor belt 403 is arranged opposite to the vegetable cutter 302. When the vegetable cutter 302 cuts the vegetables on the plug tray, the cut vegetables just fall onto the first conveyor belt 403. At the same time, the conveyor belt 402 is arranged below the first conveyor belt 403, and the vegetables on the first conveyor belt 403 are transported to the conveyor belt 402. A weight sensor is arranged on the conveyor belt 402 for weighing the cut vegetables.

[0045] The root cleaning mechanism 5 is arranged above the conveying mechanism 1, and includes a mounting frame 501, a root cleaning cylinder 502 and a root cleaning hole head 503. The mounting frame 501 is a frame structure, which is fixed on the support frame 101. The root cleaning cylinder 502 is connected to the upper part of the mounting frame 501 through a cylinder mounting plate 504, and the cylinder mounting plate 504 is connected to the support frame 101. At the same time, the root cleaning cylinder 502 is arranged in the vertical direction, and its piston end faces the conveying mechanism 1. A hole head mounting plate 505 is fixedly provided at the piston end of the root cleaning cylinder 502, and the hole head mounting plate 505 is in the shape of a strip and is arranged along the conveying direction of the vegetables, and a plurality of root cleaning hole heads 503 are vertically fixedly provided on the hole head mounting plate 505, and the root cleaning hole heads 503 are in the shape of a cylinder, and the plurality of root cleaning hole heads 503 are arranged at intervals, and are used to remove the vegetable roots located on the plug tray, and in addition, in order to improve the root cleaning efficiency, the spacing between adjacent root cleaning hole heads 503 is the same as the spacing between the centers of adjacent plug trays. In addition, a root cleaning collection groove is provided below the support frame 101 corresponding to the root cleaning mechanism 5, and is used to collect vegetable roots. In other words, the root cleaning cylinder 502 moves downward, and the root cleaning hole heads 503 also move downward accordingly, and the vegetable roots located in the plug tray are flushed out of the plug tray, thereby realizing the root cleaning operation.

[0046] In order to protect the conveying mechanism 1 and prevent debris from falling in, a frame shield 6 is provided on the periphery of the conveying mechanism 1 , and a vegetable cutting shield 7 is provided above the vegetable cutting mechanism 3 .

[0047] The plug tray with leafy vegetables is placed on the conveying mechanism 1, which drives the plug tray to move forward, the root cutting mechanism 2 cuts off the fibrous roots at the bottom of the plug tray, the vegetable cutting mechanism 3 cuts the vegetable leaves, the weighing and sorting mechanism 4 weighs and sorts the vegetable leaves, and the root cleaning mechanism 5 flushes the vegetable roots in the plug tray out of the plug tray, thereby realizing the automation of primary processing of vegetables.

[0048] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not limit the scope of implementation of the present invention. That is, all equivalent changes and modifications made within the scope of this application should still fall within the scope of the present invention.

Claims

1. A vegetable automatic harvesting and sorting device, characterized in that: The invention comprises a conveying mechanism (1) and a root cutting mechanism (2), a vegetable cutting mechanism (3), a weighing and sorting mechanism (4) and a root cleaning mechanism (5) which are arranged in sequence along the conveying mechanism (1), wherein the root cutting mechanism (2) is used to cut off the fibrous roots at the bottom of the vegetables, the vegetable cutting mechanism (3) and the weighing and sorting mechanism (4) are arranged on both sides of the conveying mechanism (1) opposite to each other, the vegetable cutting mechanism (3) cuts off the vegetable leaves, the weighing and sorting mechanism (4) weighs and sorts the cut vegetable leaves, and the root cleaning mechanism (5) is used to separate the roots of the vegetables from the plug tray; The conveying mechanism (1) comprises a support frame (101) and two wheel set fixing grooves (102) arranged in parallel. The wheel set fixing grooves (102) are fixedly arranged on the support frame (101), and a plurality of groups of vertical support wheels (103) are fixedly arranged on adjacent sides thereof for supporting the bottom of the plug tray. The upper surfaces of the two groups of wheel set fixing grooves (102) are respectively provided with a plurality of groups of horizontal driving wheels (104) and driven wheels (105). A space for accommodating the plug tray is formed between the driving wheels (104), the driven wheels (105) and the support wheels (103) on both sides. The driving wheels (104) are connected to the output end of the driving motor and are used to drive the plug tray to move along the conveying mechanism (1); The driven wheel (105) is fixedly connected to a driven wheel fixing strip (106) located in the wheel set fixing groove (102); the driven wheel fixing strip (106) is slidably connected to the wheel set fixing groove (102) via a connecting column (107) and a spring (108) and is used to adjust the spacing between the driving wheel (104) and the driven wheel (105) to accommodate hole trays of different widths; The driving wheel (104) is fixedly connected to the upper surface of the wheel set fixing groove (102), and the plurality of driving wheels (104) are synchronously driven by the sprocket and the chain; The root cutting mechanism (2) comprises a root cutting knife (201), a rotating motor and a fibrous root collecting groove; the root cutting knife (201) is located between two wheel group fixing grooves (102); the output end of the rotating motor is connected to the root cutting knife (201) to drive the root cutting knife (201) to rotate, thereby achieving the cutting of fibrous roots at the bottom of the vegetable; the fibrous root collecting groove is arranged below the root cutting knife (201) and along the conveying mechanism (1), and is used to receive the cut fibrous roots; the cross section of the fibrous root collecting groove is rectangular, and is arranged along the conveying mechanism (1); The vegetable cutting mechanism (3) comprises a vegetable cutting cylinder (301) and a vegetable cutting knife (302) arranged horizontally, wherein the vegetable cutting cylinder (301) is fixedly connected to the support frame (101), and the vegetable cutting knife (302) is fixedly connected to the piston end of the vegetable cutting cylinder (301), and is used for cutting vegetables; The root cleaning mechanism (5) is arranged across the top of the conveying mechanism (1), and comprises a mounting frame (501), a root cleaning cylinder (502) and a root cleaning hole head (503). The mounting frame (501) is fixedly mounted on the support frame (101), the root cleaning cylinder (502) is arranged in a vertical direction and is fixedly connected to the upper part of the mounting frame (501), and the root cleaning hole head (503) is fixedly mounted on the piston end thereof for cleaning the vegetable roots in the hole tray.

2. The automatic vegetable harvesting and sorting device according to claim 1 is characterized in that: The weighing and sorting mechanism (4) comprises a weighing fixed frame (401), a first conveyor belt (403), and a conveyor belt (402) fixed on the weighing fixed frame (401); the first conveyor belt (403) is fixed on the support frame (101) and arranged opposite to the vegetable cutting mechanism (3) and is used to receive and convey the cut vegetable leaves; the conveyor belt (402) is arranged below the first conveyor belt (403), and a weight sensor is arranged on the conveyor belt (402) and is used to weigh the cut vegetables.

3. The automatic vegetable harvesting and sorting device according to claim 2 is characterized in that: A plurality of the root cleaning hole heads (503) are provided, and the plurality of root cleaning hole heads (503) are arranged at intervals along the conveying direction of the vegetables.

4. The automatic vegetable harvesting and sorting device according to claim 3 is characterized in that: A frame shield is provided on the periphery of the conveying mechanism (1) for protecting the conveying mechanism, and a vegetable cutting shield is provided above the vegetable cutting mechanism (3) for preventing debris from falling in.

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