CN114747358A

CN114747358A - Green vegetable head harvesting device

Info

Publication number: CN114747358A
Application number: CN202210501013.1A
Authority: CN
Inventors: 邵伟兴; 宋树明; 吴瑜; 王圆明; 张磊; 董继伟
Original assignee: Chongqing Academy of Agricultural Sciences
Current assignee: Chongqing Academy of Agricultural Sciences
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-07-15
Anticipated expiration: 2042-05-09
Also published as: CN114747358B

Abstract

The invention discloses a green vegetable head harvesting device which comprises a vehicle body, a green vegetable head harvesting unit for harvesting green vegetable heads in a field, a first processing unit for removing and collecting most leaves of the harvested green vegetables, and a second processing unit for further processing the primarily processed green vegetable heads to remove residual leaves behind tumor bodies on the green vegetable heads; gather the unit by the green vegetable head and gather the green vegetable head, the green vegetable head that comes of gathering gets rid of most blades on first processing unit to collect the blade, all gather the residual blade at the tumor body rear portion that comes of green vegetable head with the same orientation further processing in the second processing unit, guarantee the quality of the preserved szechuan pickle of follow-up processing out.

Description

Green vegetable head harvesting device

Technical Field

The invention relates to the field of vegetable harvesting equipment, in particular to a green vegetable head harvesting device.

Background

The Brassica napobrassica, famous for the first year, is the raw material for preparing mustard tuber, and is mainly distributed in Chongqing, Sichuan, Zhejiang, Guizhou, Yunnan and other provinces, wherein Fuling mustard tuber in Fuling area of Chongqing is famous for a long time. However, due to the special characteristics of the cabbage heads such as irregular growth shape, inconsistent size, large and rich leaves, low nodulation position and the like, and the factors of mountainous areas, heavy soil and the like such as Fuling, the harvesting always adopts the traditional manual operation mode for a long time, so that the labor intensity is high, the time consumption is high, the cost is high, and the loss caused by tendrils or hollows and the like due to the lack of hands and the fact that the stalks cannot be harvested in time is caused frequently. The preserved szechuan pickle harvester is also available on the market at present, but the blade of the preserved szechuan pickle head is directly cut off at a certain position in order to improve the efficiency by the machine in the process of harvesting the preserved szechuan pickle head, certain residual blade parts are generated on the harvested preserved szechuan pickle head, certain manpower and material resources can be wasted if the residual blade parts are removed, and the product quality can be influenced in the subsequent processing process if the residual blade parts are not removed.

Disclosure of Invention

The invention aims to provide a green vegetable head harvesting device.

The invention aims to realize the purpose through the technical scheme, which comprises a vehicle body, a vegetable head harvesting unit for harvesting vegetable heads in a field, a first processing unit for removing and collecting most leaves of the harvested vegetables, and a second processing unit for further processing the primarily processed vegetable heads to remove the residual leaves at the rear part of a tumor body on the vegetable heads; the harvesting unit is arranged in the vehicle body, an inlet of the harvesting unit is positioned on the front end face of the vehicle body, the first processing unit is arranged in the vehicle body, an inlet of the first processing unit is connected with an outlet of the harvesting unit, the second processing unit is arranged in the vehicle body, and an inlet of the second processing unit is connected with an outlet of the first processing unit;

the second processing unit is including one-way feed zone, one-way feed zone sets up the car is internal, one-way feed zone top is provided with the sloping block that makes the green vegetable head advance the in-process upset along with one-way feed zone, the sloping block is fixed to be set up the car is internal, one-way feed zone top is followed the pay-off direction equidistance in one-way feed zone is provided with the leaf subassembly that cuts that a plurality of is used for excising the remaining blade in green vegetable head rear portion, cut the leaf subassembly including the ejector pin, the ejector pin can set up with vertical sliding the top in one-way feed zone, one side of ejector pin is provided with the leaf sword that cuts the remaining blade at tumor body rear portion when ejector pin after tumor body top elevating movement.

Preferably, the leaf cutting assembly comprises a first return spring, the ejector rod is elastically connected with the vehicle body through the first return spring, a first rack is fixedly connected to one side of the ejector rod, a first rotating shaft is rotatably mounted in the vehicle body, a first gear is fixedly connected to the first rotating shaft and meshed with the first rack, a ratchet wheel is fixedly connected to the first rotating shaft, an incomplete gear is fixedly connected to the outer wall of a gear ring of the ratchet wheel, a second rack is fixedly connected to the side wall of the leaf cutting knife, a second rotating shaft is rotatably mounted to one side of the first rotating shaft, a second gear is fixedly connected to the second rotating shaft and meshed with the second rack, and the incomplete gear can be respectively meshed with the second rack and the second gear in the rotating process;

the top end of the leaf cutter is elastically connected with the vehicle body through a second return spring.

Preferably, the harvesting unit comprises a plurality of dispersing rods which are used for poking the connected parts of the blades of two adjacent vegetables and enabling the whole vegetables to vertically enter the vehicle body, the dispersing rods are fixedly installed on the front end surface of the vehicle body at equal intervals along the width direction of the vehicle body, a plurality of feeding channels are arranged on the front end surface of the vehicle body along the length direction of the vehicle body, and the feeding channels are arranged between the two adjacent dispersing rods; and feeding conveyor belts are arranged on two sides of the feeding channel.

Preferably, the first processing unit comprises an annular track, the annular track is arranged in the vehicle body, an outlet of the feeding channel is positioned above the annular track, two ends of the annular track are respectively and rotatably provided with a driving rotating shaft, the annular track is provided with a dish receiving tank with an open top at equal intervals, the bottom of the dish receiving tank is rotatably hinged above the annular track, and the bottom of the dish receiving tank is elastically connected with the top end surface of the annular track through a third return spring;

a leaf removing knife is rotatably mounted above one end of the annular track, a first motor is arranged in the trolley body, the leaf removing knife is fixedly connected to an output shaft of the first motor, and a first collecting groove used for collecting cut crisp and tender green vegetable leaves is arranged below the leaf removing knife;

the trigger block is fixedly arranged above the other end of the annular rail in the vehicle body, and the trigger block is used for turning over the vegetable receiving tank to pour out the vegetable heads in the vegetable receiving tank when the vegetable receiving tank passes through.

Preferably, the second processing unit comprises an inclined feeding belt, an inlet of the inclined feeding belt is arranged on one side of the trigger block, an outlet of the inclined feeding belt is positioned above the one-way feeding belt, and partition plates for separating the vegetable heads are fixedly connected to the inclined feeding belt at equal intervals;

And a second material collecting groove is arranged below the one-way feeding belt.

Preferably, a sliding cutter for cutting off redundant roots of the vegetable heads is horizontally installed in the feeding channel in a sliding manner along a direction perpendicular to the length direction of the feeding channel, two third rotating shafts are installed in the vehicle body in a rotating manner and are respectively located at two ends of the sliding cutter, cams are fixedly connected to the third rotating shafts, the cams on the two third rotating shafts are respectively contacted with two ends of the sliding cutter, and a first bevel gear is fixedly connected to each third rotating shaft;

and a second motor is fixedly arranged on one side wall of the vehicle body, and a second bevel gear is fixedly connected to an output shaft of the second motor and is in meshing transmission with the first bevel gear.

Due to the adoption of the technical scheme, the invention has the following advantages:

1. the leaf cutting assembly is arranged, the highest point of the nubs on the vegetable heads can quickly descend after the leaf cutters cut off the nubs and reset after the leaf cutters pass through the ejector rods, redundant leaves on the vegetable heads can be accurately cut off, meat of the vegetable heads cannot be cut in the process of cutting off the residual leaves on the vegetable heads, and the quality of the processed vegetable heads is guaranteed;

2. The vegetable receiving tank is arranged, so that the harvested vegetable heads can be processed in a vertical posture, the leaf cutting processing is facilitated, the leaves of the crisp and tender parts of the vegetable heads can be collected in the processing process, the vegetable heads can be further processed into the preserved vegetables, and the economic benefit is increased; the head of each vegetable head faces to the front when each vegetable head moves forwards on the unidirectional feeding belt.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof.

Drawings

The drawings of the invention are illustrated below.

FIG. 1 is a schematic view of a second processing unit;

FIG. 2 is a first perspective view of the cutting blade assembly;

FIG. 3 is a second perspective view of the cutting blade assembly;

FIG. 4 is a schematic view of the overall structure of the present invention;

FIG. 5 is a schematic view of a first perspective of the interior structure of the vehicle body;

FIG. 6 is a schematic view of the structure at the position of the first processing unit;

FIG. 7 is a schematic view of the structure of the leaf removing knife;

FIG. 8 is a second perspective view of the interior structure of the vehicle body.

In the figure: 1. a vehicle body; 2. a unidirectional feed zone; 3. a sloping block; 4. pushing the push rod; 5. a leaf cutter; 6. a first return spring; 7. a first rack; 8. a first rotating shaft; 9. a first gear; 10. a ratchet wheel; 11. an incomplete gear; 12. a second rack; 13. a second rotating shaft; 14. a second return spring; 15. a dispersion rod; 16. a feed channel; 17. a feed conveyor; 18. an annular track; 19. driving the rotating shaft; 20. a vegetable receiving tank; 21. a third return spring; 22. a leaf removing knife; 23. a first motor; 24. a first material collecting groove; 25. a trigger block; 26. inclining the feeding belt; 27. a partition plate; 28. a second material collecting groove; 29. a sliding cutter; 30. a third rotating shaft; 31. a cam; 32. a first bevel gear; 33. a second motor; 34. a second bevel gear.

Detailed Description

The invention is further illustrated by the following figures and examples.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3, a device for harvesting vegetable heads comprises a vehicle body 1, a vegetable head harvesting unit for harvesting vegetable heads in a field, a first processing unit for removing and collecting most leaves of harvested vegetables, and a second processing unit for further processing the primarily processed vegetable heads to remove residual leaves behind nodules on the vegetable heads; the harvesting unit is arranged in the vehicle body 1, an inlet of the harvesting unit is positioned on the front end face of the vehicle body 1, the first processing unit is arranged in the vehicle body 1, an inlet of the first processing unit is connected with an outlet of the harvesting unit, the second processing unit is arranged in the vehicle body 1, and an inlet of the second processing unit is connected with an outlet of the first processing unit;

the second processing unit is including one-way feed zone 2, one-way feed zone 2 rotates to set up in the automobile body 1, 2 tops in one-way feed zone are provided with the sloping block 3 that makes the vegetable head follow 2 in-process upsets in one-way feed zone, sloping block 3 is fixed to be set up in the automobile body 1, 2 tops in one-way feed zone are followed the axial of one-way feed zone 2 is equidistant to be provided with a plurality of and is used for excising the leaf subassembly of the remaining blade in vegetable head rear portion, leaf subassembly is including ejector pin 4, ejector pin 4 can set up with vertical sliding the top of one-way feed zone 2, one side of ejector pin 4 is provided with the leaf cutter 5 that cuts off the remaining blade in tumor body rear portion when ejector pin 4 through tumor body top after elevating movement.

When gathering the green vegetable head, in 1 the entering vegetable field of automobile body of device, automobile body 1 gos forward in the vegetable field, and the in-process that gos forward, inside the green vegetable head harvesting unit gathered the green vegetable head and gets into automobile body 1, cuts the most green vegetable blade in green vegetable head top in first processing unit and handles, and later the green vegetable head reachs second processing unit, all moves towards same direction when the green vegetable head gets into second processing unit, later along 2 movements in one-way feed zone. The tumour body of the in-process of green vegetable head along with the motion of one-way feed area 2 can be through ejector pin 4 owing to the arch, with ejector pin 4 jacking, the peak passes through ejector pin 4 after on the tumour body, ejector pin 4 whereabouts, and in the whereabouts, the leaf sword 5 of cutting of ejector pin 4 one side descends fast and cuts off the remaining blade at tumour body rear portion. Then the green vegetable head continues to advance on one-way feed zone 2, and the in-process overturns under the effect of sloping block 3, makes the blade on another tumor body handle in next leaf subassembly position department of cutting. And finally, collecting the green vegetable heads without residual leaves.

As shown in fig. 2 to 3, the blade cutting assembly includes a first return spring 6, the ejector pin 4 is elastically connected to the vehicle body 1 through the first return spring 6, a first rack 7 is fixedly connected to one side of the push rod 4, a first rotating shaft 8 is rotatably installed in the vehicle body 1, a first gear 9 is fixedly connected on the first rotating shaft 8, the first gear 9 is meshed with the first rack 7, a ratchet wheel 10 is fixedly connected on the first rotating shaft 8, an incomplete gear 11 is fixedly connected on the outer wall of a gear ring of the ratchet wheel 10, a second rack 12 is fixedly connected on the side wall of the leaf cutter 5, a second rotating shaft 13 is rotatably arranged on one side of the first rotating shaft 8, a second gear is fixedly connected on the second rotating shaft 13 and is meshed with the second rack 12, the incomplete gear 11 can be meshed with the second rack 12 and the second gear respectively during rotation;

The top end of the leaf cutter 5 is elastically connected with the vehicle body 1 through a second return spring 14.

In a specific embodiment of the invention, the green vegetable heads advance on the unidirectional feeding belt, a nub body on the green vegetable heads passes below the ejector rod 4 in the advancing process, the front half part of the nub body passes through the ejector rod 4 and can drive the ejector rod 4 to rise all the time, and due to the characteristic of unidirectional transmission of the ratchet wheel 10, the ejector rod 4 rises, the first rack 7 drives the first gear 9 to rotate, so that the first rotating shaft 8 is driven to rotate, the incomplete gear 11 cannot be driven to rotate at the moment, and the leaf cutter 5 cannot be driven to rise or fall; convex peak passes through behind ejector pin 4 on the tumor body, ejector pin 4 can descend, 8 antiport of first pivot during the decline, drive incomplete gear 11 and rotate, incomplete gear 11 rotates the in-process, earlier with mesh between the second rack 12, make second rack 12 drive cut-off leaf sword 5 descend simultaneously and cut off the remaining blade at green vegetable head tumor body rear portion, later do not take tooth part to rotate to the meshing department on incomplete gear 11, incomplete gear 11 this moment and mesh between the second gear, drive second rack 12 and cut-off leaf sword 5 through second gear rotation and rise and reset, realize the accurate technological effect who cuts off remaining blade on the green vegetable head. The green vegetable heads continue to advance on the unidirectional feeding belt 2, turn over when passing through the inclined block 3, and remove the residual leaves at the rear part of the other tumor body at the position of the other leaf cutting assembly.

According to the invention, the leaf cutting assembly is arranged, the highest point of the nub body on the vegetable head can quickly descend after the leaf cutter 5 cuts off the leaf after the nub body and then resets after passing through the push rod 4, and redundant leaves on the vegetable head can be accurately cut off, so that meat of the vegetable head cannot be cut in the process of cutting off the residual leaves on the vegetable head, and the quality of the processed vegetable head is ensured.

As shown in fig. 4 to 5, the harvesting unit includes a plurality of dispersing rods 15 for poking the connecting portion of the blades of two adjacent vegetable heads and making the whole vegetable head vertically enter the vehicle body 1, the dispersing rods 15 are fixedly mounted on the front end surface of the vehicle body 1 at equal intervals along the width direction of the vehicle body 1, a plurality of feeding channels 16 are disposed on the front end surface of the vehicle body 1 along the length direction of the vehicle body 1, and the feeding channels 16 are disposed between two adjacent dispersing rods 15; both sides of the feed channel 16 are provided with feed conveyors 17.

In one embodiment of the invention, a turning plate is arranged at the bottom of the front end surface of the vehicle body 1 in a turnable way, and after the vehicle body 1 enters the field, the turning plate is turned downwards to enable the vehicle body to lift out green vegetable heads. Automobile body 1 advances in the field, and dispersion pole 15 will be close to and separate between the nearer green vegetable head, send into the whole vertical automobile body 1 that sends into of green vegetable head in, under the effect of feeding conveyer belt 17, horizontal antedisplacement, the antedisplacement in-process is with the root system excision of green vegetable head bottom.

As shown in fig. 6 to 8, the first processing unit includes an annular rail 18, the annular rail 18 is disposed in the vehicle body 1, the outlet of the feeding channel 16 is located above the annular rail 18, two ends of the annular rail 18 are respectively rotatably mounted with a driving rotating shaft 19, the annular rail 18 is provided with dish receiving pots 20 with top openings at equal intervals, the bottoms of the dish receiving pots 20 are rotatably hinged above the annular rail 18, and the bottoms of the dish receiving pots 20 and the top end surface of the annular rail 18 are elastically connected through a third return spring 21;

a leaf removing knife 22 is rotatably mounted above one end of the annular track 18, a first motor 23 is arranged in the vehicle body 1, the leaf removing knife 22 is fixedly connected to an output shaft of the first motor 23, and a first collecting groove 24 for collecting cut tender and crisp green vegetable leaves is arranged below the leaf removing knife 22;

a trigger block 25 which can overturn the vegetable heads in the vegetable receiving tank 20 when the vegetable receiving tank 20 passes through is fixedly arranged above the other end of the annular track 18 in the vehicle body 1.

In an embodiment of the present invention, the vegetable heads in the feeding channel 16 vertically fall into the vegetable receiving tank 20 on the annular track 18 after passing through the feeding channel 16, the annular track 18 moves forward after receiving the vegetable heads, the vegetable heads move under the leaf removing knife 22 during the moving process, the first motor 23 is started to drive the leaf cutting knife 5 to cut off the leaves on the vegetable heads, the cut leaves fall into the first material collecting groove 24, then the vegetable receiving tank 20 moves forward by the annular track 18, when the vegetable heads move to the other end of the annular track 18, the triggering block 25 pushes the vegetable receiving tank 20 to turn over by the triggering block 25, the vegetable heads in the vegetable receiving tank 20 are sent to the inclined feeding belt 26 in a uniform direction, and after passing through the triggering block 25, the vegetable receiving tank 20 is reset to a vertical state under the action of the second reset spring 14.

As shown in fig. 6 and 7, the second processing unit comprises an inclined feeding belt 26, an inlet of the inclined feeding belt 26 is arranged at one side of the trigger block 25, an outlet of the inclined feeding belt 26 is arranged above the one-way feeding belt, and partition plates 27 for separating the green vegetable heads are fixedly connected to the inclined feeding belt 26 at equal intervals;

a second material collecting groove 28 is arranged below the one-way feeding belt.

In one embodiment of the present invention, the inclined feed belt 26 conveys the vegetable heads to the one-way feed belt, where the vegetable heads move in a posture with their roots facing forward, and the leaf cutting assembly on the one-way feed belt removes the residual leaves at the rear of the tumor of the vegetable heads, and then falls into the second trough 28 for collection. In an embodiment not shown in the figures, the one-way feed belt is provided with a chute for leaking the cut residual leaves.

As shown in fig. 5 and 6, a sliding-cutting knife 29 for cutting off redundant roots of the green vegetable heads is horizontally installed in the feeding channel 16 in a sliding manner along a direction perpendicular to the length direction of the feeding channel 16, two third rotating shafts 30 are rotatably installed in the vehicle body 1, the two third rotating shafts 30 are respectively located at two ends of the sliding-cutting knife 29, cams 31 are fixedly connected to the third rotating shafts 30, the cams 31 on the two third rotating shafts 30 are respectively in contact with two ends of the sliding-cutting knife 29, and first bevel gears 32 are fixedly connected to the third rotating shafts 30;

A second motor 33 is fixedly mounted on one side wall of the vehicle body 1, a second bevel gear 34 is fixedly connected to an output shaft of the second motor 33, and the second bevel gear 34 is in meshing transmission with the first bevel gear 32.

In one embodiment of the present invention, after the green vegetable heads are vertically lifted out of the field, the second motor 33 is started to drive the sliding cutter 29 to move through the bevel gear transmission between the first bevel gear 32 and the second bevel gear 34 in the process of advancing the green vegetable heads in the feeding channel 16, so as to cut off the root systems at the bottoms of the green vegetable heads.

Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims

1. A harvesting device for vegetable heads comprises a vehicle body (1), and is characterized by comprising a vegetable head harvesting unit for harvesting vegetable heads in a field, a first processing unit for removing and collecting most leaves of harvested vegetables, and a second processing unit for further processing the primarily processed vegetable heads to remove residual leaves behind tumor bodies on the vegetable heads; the harvesting unit is arranged in the vehicle body (1), the inlet of the harvesting unit is positioned on the front end face of the vehicle body (1), the first processing unit is arranged in the vehicle body (1), the inlet of the first processing unit is connected with the outlet of the harvesting unit, the second processing unit is arranged in the vehicle body (1), and the inlet of the second processing unit is connected with the outlet of the first processing unit;

The second processing unit comprises a one-way feeding belt (2), the one-way feeding belt (2) is arranged in the vehicle body (1), an inclined block (3) which enables the vegetable heads to turn over along with the unidirectional feeding belt (2) in the advancing process is arranged above the unidirectional feeding belt (2), the inclined block (3) is fixedly arranged in the vehicle body (1), a plurality of leaf cutting components for cutting off residual leaves at the rear part of the vegetable head are arranged above the unidirectional feeding belt (2) at equal intervals along the feeding direction of the unidirectional feeding belt (2), the leaf cutting assembly comprises an ejector rod (4), the ejector rod (4) can be vertically arranged above the unidirectional feeding belt (2) in a sliding manner, and a leaf cutting knife (5) which cuts off the residual leaves at the rear part of the tumor body through the lifting motion after the ejector rod (4) passes through the top end of the tumor body is arranged on one side of the ejector rod (4).

2. The vegetable header harvesting device according to claim 1, wherein the leaf cutting assembly comprises a first return spring (6), the ejector rod (4) is elastically connected with the vehicle body (1) through the first return spring (6), a first rack (7) is fixedly connected to one side of the ejector rod (4), a first rotating shaft (8) is rotatably mounted on the vehicle body (1), a first gear (9) is fixedly connected to the first rotating shaft (8), the first gear (9) is meshed with the first rack (7), a ratchet wheel (10) is fixedly connected to the first rotating shaft (8), an incomplete gear (11) is fixedly connected to the outer wall of a gear ring of the ratchet wheel (10), a second rack (12) is fixedly connected to the side wall of the leaf cutting knife (5), a second rotating shaft (13) is rotatably mounted to one side of the first rotating shaft (8), a second gear is fixedly connected to the second rotating shaft (13), the second gear is meshed with the second rack (12), and the incomplete gear (11) can be respectively meshed with the second rack (12) and the second gear in the rotating process;

The top end of the leaf cutter (5) is elastically connected with the vehicle body (1) through a second return spring (14).

3. The harvesting device for the vegetable heads is characterized in that the harvesting unit comprises a plurality of dispersion rods (15) which are used for poking the connecting parts of the blades of two adjacent vegetable heads and enabling the vegetable heads to vertically enter the vehicle body (1) in a whole manner, the dispersion rods (15) are fixedly arranged on the front end surface of the vehicle body (1) at equal intervals along the width direction of the vehicle body (1), a plurality of feeding channels (16) are arranged on the front end surface of the vehicle body (1) along the length direction of the vehicle body (1), and the feeding channels (16) are arranged between two adjacent dispersion rods (15); and feeding conveyor belts (17) are arranged on two sides of the feeding channel (16).

4. The vegetable header harvesting device as claimed in claim 1, characterized in that the first processing unit comprises an annular rail (18), the annular rail (18) is arranged in the vehicle body (1), the outlet of the feeding channel (16) is positioned above the annular rail (18), two ends of the annular rail (18) are respectively and rotatably provided with a driving rotating shaft (19), the annular rail (18) is provided with vegetable receiving tanks (20) with top openings at equal intervals, the bottoms of the vegetable receiving tanks (20) are rotatably hinged above the annular rail (18), and the bottoms of the vegetable receiving tanks (20) are elastically connected with the top end surface of the annular rail (18) through a third return spring (21);

A leaf removing knife (22) is rotatably mounted above one end of the annular track (18), a first motor (23) is arranged in the trolley body (1), the leaf removing knife (22) is fixedly connected to an output shaft of the first motor (23), and a first collecting groove (24) for collecting cut tender and crisp green vegetable leaves is arranged below the leaf removing knife (22);

a trigger block (25) which can overturn the vegetable head in the vegetable receiving tank (20) when the vegetable receiving tank (20) passes through is fixedly arranged above the other end of the annular track (18) in the vehicle body (1).

5. The header harvesting device of claim 4, wherein the second processing unit comprises an inclined feeding belt (26), an inlet of the inclined feeding belt (26) is arranged at one side of the trigger block (25), an outlet of the inclined feeding belt (26) is arranged above the one-way feeding belt, and partition plates (27) for separating header are fixedly connected to the inclined feeding belt (26) at equal intervals;

and a second material collecting groove (28) is arranged below the one-way feeding belt.

6. The harvesting device for the vegetable heads as claimed in claim 5, characterized in that a sliding cutter (29) for cutting off redundant roots of the vegetable heads is horizontally installed in the feed channel (16) in a sliding manner along a direction perpendicular to the length direction of the feed channel (16), two third rotating shafts (30) are rotatably installed in the vehicle body (1), the two third rotating shafts (30) are respectively located at two ends of the sliding cutter (29), cams (31) are fixedly connected to the third rotating shafts (30), the cams (31) on the two third rotating shafts (30) are respectively in contact with two ends of the sliding cutter (29), and first bevel gears (32) are fixedly connected to the third rotating shafts (30);

A second motor (33) is fixedly mounted on one side wall of the trolley body (1), a second bevel gear (34) is fixedly connected to an output shaft of the second motor (33), and the second bevel gear (34) is in meshing transmission with the first bevel gear (32).