CN209787881U - Picking type tomato harvester - Google Patents

Abstract

the utility model relates to agricultural machinery, especially a formula tomato harvester is chosen and send. The feeding cutting table is arranged at the front end of the rack, the picking and conveying device is arranged at the rear end of the rack, the conveying device is arranged between the feeding cutting table and the picking and conveying device, the feeding cutting table, the conveying device and the picking and conveying separating device are all connected with the rack, and the feeding cutting table is connected with the rack through a lifting system; the feeding cutting table comprises a cutting table rack, a gathering device, a tooth-shaped butt cutter and a grid distributor, the gathering device comprises a pair of harvesting clamps and a gear rack transmission mechanism connected with the two harvesting clamps, the tooth-shaped butt cutters are respectively arranged below the rear parts of the two harvesting clamps, and the grid distributor is positioned above the rear parts of the harvesting clamps. The volume is small, the occupied area is small, and the harvest of the tomatoes of the Xinjiang variety is met.

Description

picking type tomato harvester

Technical Field

the utility model relates to agricultural machinery, especially a formula tomato harvester is chosen and send.

Background

xinjiang has abundant water and soil resources, provides favorable conditions for the growth of Xinjiang tomatoes, and has the characteristics of bright color, less plant diseases and insect pests, less fruit cracking, rich nutrition and large fruits, has very obvious advantages in the international market competition of similar products, and is called as a red industrial zone of China. Along with the growing scale of tomatoes is getting bigger and bigger, the traditional manual picking is gradually eliminated due to insufficient labor force and high cost, and the tomatoes are usually picked by machines at present. However, the existing mechanical picking has the following defects:

1. The traditional fruit-seedling separating mechanism has defects

the driven comb-tooth type separating mechanism is characterized in that when the machine walks along the ridges, the comb teeth are inserted into the seedling stems of the tomatoes to forcibly rake the fruits from the fruit branches, so that the tomatoes are damaged, the stems still grow in the soil, the seedling stems are cleaned by subsequent work, and a large amount of subsequent work is increased;

the drum-type separating device conveys fruits and fruit seedlings into the separating drum, and realizes multiple lifting and falling beating on the fruit seedlings of the tomatoes so as to enable the fruits to fall off, but in the process, if the rotating speed is too slow, incomplete separation can be caused, if the rotating speed is too fast, the fruits can not fall in time, and the fruits are discarded along with the seedlings, so that harvesting loss is caused;

The fruit picking and separating device firstly pulls out fruits, then the fruits fall down on the conveyer belt through beating, but seedlings are required to be taken down from the conveyer belt after separation, the process is troublesome, and the requirements of high-efficiency operation are not met.

2. The existing tomato harvesters cannot adapt to the movement and work in roads and fields simultaneously because the chassis of the front working device is too low.

3. The existing device for separating the plants from the ground only has the functions of picking up and falling back and does not have the function of gathering towards the middle, so that the working of the cutter is larger and inconvenient.

4. The height of the plant of the Xinjiang tomatoes is higher than that of the common tomatoes, the stems are thick and strong, the tomatoes grow in strings and are concentrated, the fruits are difficult to be harvested completely through the existing harvesting modes of beating, rolling and the like for harvesting the common tomatoes, the fruits are easy to be injured, and the harvesting loss is caused because the seedlings are not completely separated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem that exists among the prior art, provide a choose formula tomato harvester of sending, its is small, and area is few, satisfies the tomato results of Xinjiang variety.

The technical scheme of the utility model is that: a picking and conveying type tomato harvester comprises a rack and a feeding and cutting table, wherein the feeding and cutting table is arranged at the front end of the rack, the picking and conveying device is arranged at the rear end of the rack, the conveying device is arranged between the feeding and cutting table and the picking and conveying device, the feeding and cutting table, the conveying device and the picking and conveying separation device are all connected with the rack, and the feeding and cutting table is connected with the rack through a lifting system;

The feeding cutting table comprises a cutting table rack, a gathering device, a tooth-shaped butting cutter and a grid shifting device, the gathering device comprises a pair of harvesting clamps and a gear rack transmission mechanism connected with the two harvesting clamps, the tooth-shaped butting cutter is arranged below the rear parts of the two harvesting clamps respectively, the grid shifting device is positioned above the rear parts of the harvesting clamps, the pair of harvesting clamps comprises a harvesting clamp I and a harvesting clamp II, the two harvesting clamps are oppositely arranged, the front ends of the two harvesting clamps are free ends, the opposite surfaces of the front ends of the two harvesting clamps are tooth-shaped, the rear ends of the two harvesting clamps are connected with the gear rack transmission mechanism through a connecting rod I, and the rear ends of the two harvesting clamps are connected with the connecting rod I through an eccentric rotating shaft mechanism;

The gear rack transmission mechanism comprises a rack I, a rack II, a driving gear, a rotating plate, a notch and a driven gear, wherein the rack I is arranged at the rear part of the harvesting clamp I, the rack I is connected with the harvesting clamp I through a connecting rod I, the rack II is arranged at the rear part of the harvesting clamp II, the rack II is connected with the harvesting clamp II through the connecting rod I, tooth forms are arranged on opposite surfaces of the rack I and the rack II, the driven gear is positioned between the two racks and is respectively meshed with the rack I and the rack II, the moving directions of the rack I and the rack II are opposite, a rectangular notch is fixed on the rack I, a rectangular sliding groove is arranged on the notch, the sliding groove is arranged in the direction vertical to the rack, the driving gear is fixedly connected with the rotating plate through a central shaft of the driving gear, a bulge is arranged at the bottom of the rotating;

The picking and conveying device comprises two eccentric wheels, a crankshaft, a mesh grid cutting disc, a lateral rotary conveying auger and a front and back oscillating plate, the mesh grid cutting disc is cylindrical, the axis of the mesh grid cutting disc is parallel to the width direction of a conveyor belt, an opening is arranged at the top of the mesh grid cutting disc towards the conveyor belt, a plurality of rhombic sieve holes are arranged at the bottom of the mesh grid cutting disc along the annular side surface of the mesh grid cutting disc at intervals, the edge of the orifice of each rhombic sieve hole is in a blade shape, the lateral rotary conveying auger is arranged in the mesh grid cutting disc and is coaxial with the mesh grid cutting disc, the lateral rotary conveying auger comprises a central shaft and a spiral blade, the front and back oscillating plate is arranged above the mesh grid cutting disc, the front and back oscillating plates are arranged at the two ends of the crankshaft, the axis direction of the crankshaft is parallel to the axis direction of the mesh grid cutting disc, a connecting rod II is arranged at the journal of the crankshaft, and the, the middle parts of the front end and the rear end of the front and rear swinging plates are provided with square holes, eccentric wheels are arranged in the square holes, and the annular side walls of the eccentric wheels are tangent to the hole walls of the square holes;

the lifting system comprises a hydraulic cylinder, the cylinder body of the hydraulic cylinder is connected with the frame, and the piston rod of the hydraulic cylinder is connected with the harvester frame.

The eccentric rotating mechanism comprises a small gear, a supporting block, harvesting clamp supporting blocks, a rotating shaft I and a rotating shaft II, the small gear is connected with the supporting block through a connecting rod, the small gear is arranged on the connecting rod I through a central shaft of the small gear, the other end of the central shaft of the small gear is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly provided with a rotating shaft, the rotating shaft is hinged with the supporting block, the rear ends of the two harvesting clamps are respectively connected with the supporting block through the rotating shaft I, the rotating shaft I is fixed on the supporting block, the rear end of the harvesting clamp is hinged with the rotating shaft I, the harvesting clamp supporting block is arranged below the supporting block and is fixedly connected with the connecting rod I, the rear ends of the two harvesting clamps are respectively connected with the harvesting clamp;

The tooth-shaped beveller comprises a pair of disc cutters, and the circumferential side surfaces of the disc cutters are in a sawtooth shape.

The grid poking device comprises comb teeth, and the comb teeth are connected with the rack through comb tooth center shafts. The comb teeth transfer the fruit seedlings cut off by the disc cutter to the conveying device in the rotating process.

The transmission device is arranged in an inclined way, and one end of the transmission device facing the feeding cutting table is lower than one end of the transmission device facing the picking device.

The conveying device comprises a conveying belt and grid bars, the conveying belt is formed by mutually linking the grid bars till now, and each grid bar is provided with an anti-slip device with a rubber support, so that the tomato seedlings are prevented from sliding and falling off in the conveying process, and the tomato seedling stems are conveyed to the picking and conveying device from the feeding cutting and conveying table to perform the next fruit seedling separation work.

The utility model has the advantages that:

(1) the height of the feeding and cutting table is controlled by a lifting system such as a hydraulic rod, the feeding and cutting table is put down when the feeding and cutting table works, and the feeding and cutting table is lifted when the feeding and cutting table moves on a highway, so that the problem that the bottom plate of the existing feeding and cutting table is too low is solved;

(2) The feeding and cutting table has three degrees of freedom of up and down, front and back, left and right, the gathering, picking and falling functions are realized through the three-dimensional motion in the space, the problems that the tomato stalks are thick and solid, the plants are tall and strong and are difficult to harvest are solved, the tomato fruits cannot be damaged, and the harvest of the Xinjiang variety of tomatoes is met;

(3) the picking and conveying device realizes fruit positioning through vibration of the mesh grid cutting disks with upper and lower degrees of freedom and front and back degrees of freedom, realizes fruit seedling separation and seedling stem discarding work through rotation of the lateral rotary conveying auger, and can discard seedling stems on one side, so that subsequent seedling stem collecting work is facilitated;

(4) The edge of the hole of the diamond sieve hole is in a blade shape, when the fruit falls into the diamond sieve hole, the connecting part of the fruit and the seedling stem can be clamped at the blade of the hole of the diamond sieve hole, and the seedling stem is cut off by the blade in cooperation with the seedling pulling action of the lateral rotary conveying auger, so that the fruit is separated.

Drawings

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a gathering device and a tooth-shaped butt cutter;

FIG. 3 is a schematic view of the structure of the feed cutting station;

FIG. 4 is a schematic perspective view of the pick-and-place apparatus;

Fig. 5 is a left side view of the picking apparatus.

In the figure: 1, a frame; 2 feeding a cutting table; 201 hydraulic cylinder; 202 harvesting clamp II; 203 connecting rod I; 204 pinion gear; 205 rack II; 206 a drive gear; 207 rotating the plate; 208 rack I; 209 notches; 210 raised; 211 a driven gear; 212, a rotating shaft I; 213 a supporting block for the rotation shaft; 214 a harvesting clamp support block; 215 rotating shaft II; 216 reaping clamp I; 217 a disc cutter; 218 a cutting and loosening table frame; 219 center axis of comb teeth; 220 comb teeth; 3 a conveying device; 4, a picking device; 401 eccentric wheel; 402 a crankshaft; 403, a square hole; 404 an eccentric rotating shaft; 405 grid slitting disks; 406 lateral rotary conveying auger; 407 diamond-shaped mesh; 408 a front and rear swing plate; 409 connecting rod II; 410 connect the blocks.

Detailed Description

the present invention will be further described with reference to the accompanying drawings and examples.

As shown in figure 1, choose formula tomato harvesting machine of sending include frame 1, feeding surely send platform 2, conveyer 3 and pluck and send device 4, feeding surely send platform 2 to set up at the front end of frame 1, pluck and send device 4 to set up in the rear end of frame 1, conveyer 3 sets up and surely send platform 2 and pluck between device 4 at the feeding, transmission 3 is the slope setting, its one end that the platform 2 was surely sent to the feeding will be less than its one end of plucking and sending device 4 towards the one end. The feeding cutting table 2, the conveying device 3 and the picking device 4 are all connected with the frame 1. The feeding and cutting table 2 is connected with the frame 1 through two hydraulic cylinders 201 symmetrically arranged at the rear end of the feeding and cutting table, the feeding and cutting table is put down during working, and the feeding and cutting table is lifted up during movement on a highway, so that the problem that the chassis of the existing feeding and cutting table is too low is solved.

As shown in fig. 2 and 3, the feeding and cutting table includes a cutting and loosening table frame 218, a gathering device, a tooth-shaped butt-cutting device and a grid shifting device, wherein the gathering device includes a pair of harvesting clamps and a gear rack transmission mechanism connecting the two harvesting clamps. The gear rack transmission mechanism comprises two racks and a gear positioned between the two racks, the harvesting clamp is positioned at the foremost end of the feeding cutting table, the racks are fixedly connected to the rear ends of the harvesting clamp respectively, the two racks are meshed with the gear respectively, the two racks drive the harvesting clamp to reciprocate back and forth, but the moving directions of the two racks are opposite, namely when one of the racks moves forwards, the other rack moves backwards. The tooth-shaped edge aligner comprises a pair of disc cutters 217, the axial side surfaces of the disc cutters 217 are tooth-shaped, and the disc cutters 217 are respectively arranged below the rear parts of the two harvesting clamps and used for cutting off fruit seedlings of tomatoes. The grid poking device is positioned above the rear part of the harvesting clamp and comprises comb teeth 220, the comb teeth 220 are connected with the rack through a comb tooth central shaft 219, and the comb teeth 220 poke the fruit seedlings cut off by the circular disc cutter 217 to the conveying device 3 in the rotating process.

a pair of harvesting presss from both sides including reaping and presss from both sides I216 and reaping and press from both sides II 202, and two reap the clamp and be relative setting, and two front ends that reap the clamp are the free end, and two are reaped the relative personally submitting of pressing from both sides the front end and are personally submitted the cusp, and the rear end that reaps press from both sides I216 passes through connecting rod I203 and is connected with rack I208, and the rear end that reaps clamp II 202 passes through connecting rod I203 and is connected with. The rear ends of the two harvesting clamps are connected with the connecting rod I203 through an eccentric rotating shaft mechanism. The eccentric rotation mechanism comprises a pinion 204, a supporting block 213, a reaping clamp supporting block 214, a rotating shaft I212 and a rotating shaft II 215, wherein the pinion 204 is connected with the supporting block 213 through a connecting rod, the pinion 204 is arranged on the connecting rod I203 through a central shaft of the pinion 204, the other end of the central shaft of the pinion is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly provided with a rotating shaft, and the rotating shaft is hinged with the supporting block 213. The rear ends of the two harvesting clamps are respectively connected with the supporting block 213 through a rotating shaft I212, the rotating shaft I212 is fixed on the supporting block 213, and the rear ends of the harvesting clamps are hinged with the rotating shaft I212. A harvesting clamp supporting block 214 is arranged below the supporting block 213, and the harvesting clamp supporting block 214 is fixedly connected with the connecting rod I203. The rear ends of the two harvesting clamps are respectively connected with a harvesting clamp supporting block 214 through a rotating shaft II 215, the rotating shaft II 215 is fixed on the harvesting clamp supporting block 214, the rear ends of the two harvesting clamps are sleeved on the rotating shaft II 215, and the harvesting clamps can move up and down along the rotating shaft II 215 while rotating around the rotating shaft II 215.

The pinion 204 rotates, the supporting block 213 is driven to rotate in the vertical direction through the connecting rod, and in the rotating process of the supporting block 213, the two harvesting clamps are driven to move up and down while swinging left and right in the horizontal direction along the rotating shaft II 215, so that the movement of the two degrees of freedom of the harvesting clamps is realized.

The gear rack transmission mechanism comprises a rack I208, a rack II 205, a driving gear 206, a rotating plate 207, a notch 209 and a driven gear 211, wherein the rack I208 is arranged behind a harvesting clamp I216, and the rack I208 is connected with the harvesting clamp I216 through a connecting rod I203; the rack II 205 is arranged behind the harvesting clamp II 202, and the rack II 205 is connected with the harvesting clamp II 202 through a connecting rod I203. The opposite surfaces of the rack I208 and the rack II 205 are provided with tooth shapes, and the driven gear 211 is positioned between the two racks and is respectively meshed with the rack I208 and the rack II 205, so that the moving directions of the rack I208 and the rack II 205 are opposite. A rectangular notch 209 is fixed on the rack I208, and a rectangular sliding groove is arranged on the notch 209 and is arranged along the direction vertical to the rack. The driving gear 206 is fixedly connected with the rotating plate 207 through a central shaft thereof, a protrusion 210 is arranged at the bottom of the rotating plate 207, and the protrusion 210 is arranged in a sliding slot on the notch 209. In the process of rotating the driving gear 206, the rotating plate 207 is driven to rotate, and at this time, the position of the protrusion 210 at the bottom of the rotating plate 207 changes. Because the bulge 210 is arranged in the sliding groove of the notch 209, when the position of the bulge 210 changes, the rack I208 plays a role in limiting the rotation of the notch 209, the notch 209 moves back and forth, and drives the rack I208 fixedly connected with the notch 209 to move back and forth, because the rack I208 is meshed with the driven gear 211, the driven gear 211 can be driven to rotate in the back and forth movement process of the rack I208, meanwhile, the rack II 205 is driven to move in the direction opposite to the rack I208 through the meshing of the driven gear 211 and the rack II 205, the back and forth alternate movement of the rack I208 and the rack II 205 is realized, and the back and forth alternate movement of the harvesting clamp I216 and the harvesting clamp II 202 is also realized.

the harvesting clamp has three degrees of freedom, namely up-down, front-back, left-right, so that the working tracks of the two harvesting clamps are elliptical tracks in space, when the harvesting clamps are at the lowest point and at the frontmost point, the harvesting clamps move to the positions below plants from left to right, then the harvesting clamps are retracted and lifted, the plants are lifted inwards and gathered on the disc blade 217, and the disc blade 217 is in the rotating process, so that the stem of the tomato is cut. In conclusion, the harvesting clamp has three functions of gathering, raising and falling back, and can gather the originally scattered tomato plants together. The seedling stems above the circular cutter are stirred to the conveying device 3 under the action of the comb teeth 220. The conveying device 3 comprises a conveying belt, an anti-skid device of a rubber support is arranged on the conveying belt, and the tomato seedling stems are conveyed to the picking and conveying device from the feeding cutting table.

as shown in fig. 4 and 5, the picking and conveying device comprises two eccentric wheels 401, a crankshaft 402, a grid slitting disc 405, a lateral rotary conveying auger 406 and a front and back swing plate 408. The net grating slitting disc 405 is cylindrical, the axis of the net grating slitting disc is parallel to the width direction of the conveying belt, an opening is formed in the top of the net grating slitting disc 405 towards the conveying belt, so that the conveying belt can convey tomato seedlings into the net grating slitting disc 405, and a plurality of rhombic sieve holes 407 are formed in the bottom of the net grating slitting disc 405 at intervals along the annular side face of the bottom. The net grid cutting disc 405 is internally provided with a lateral rotary conveying auger 406 which is coaxially arranged with the net grid cutting disc, the lateral rotary conveying auger comprises a central shaft and a spiral blade, and the spiral blade is driven to rotate in the rotation process of the central shaft, so that the seedling stems of the tomatoes are wound on the spiral blade and rotate along the spiral blade. A front and rear swinging plate 408 is arranged above the mesh grid slitting disc 405, two ends of the crankshaft 402 are arranged on the front and rear swinging plates 408, the axial direction of the crankshaft 402 is parallel to the axial direction of the mesh grid slitting disc 405, a connecting rod II 409 is arranged at the crankshaft journal on the crankshaft 402, and the other end of the connecting rod II 409 is connected with a connecting block 410 at the top of the mesh grid slitting disc, so that the connection of the front and rear swinging plates and the mesh grid slitting disc is realized. During the rotation of the crankshaft 402, the crankshaft journal makes eccentric motion, so that the mesh grid cutting disc 405 is driven to move up and down through the connecting rod II 409. Meanwhile, square holes 403 are formed in the middle of the front end and the middle of the rear end of the front and rear swinging plates 408, an eccentric wheel 401 is arranged in each square hole, and the annular side wall of each eccentric wheel 401 is tangent to the hole wall of each square hole 403. The bottom of the eccentric wheel 401 is provided with an eccentric rotating shaft 404, the eccentric rotating shaft 404 can drive the eccentric wheel 401 to do circular motion in the rotating process, the eccentric wheel 401 can only do front and back motion because the motion of the eccentric wheel 401 is limited by the square hole 403, and the eccentric wheel 401 can drive the front and back oscillating plate 408 and the grid slitting disc 405 connected with the front and back oscillating plate 408 to do front and back motion in the front and back moving process. Through the action of the crankshaft 402 and the eccentric wheel 401, the grid slitting disc 405 shakes up and down and back and forth, and fruits are shaken into the rhombic sieve holes 407 at the bottom of the grid slitting disc 405 through the shaking of the up and down and left and right degrees of freedom.

The edge of the opening of the diamond-shaped sieve hole 407 is in a blade shape, when a fruit falls into the diamond-shaped sieve hole 407, the connecting part of the fruit and the seedling stem can be clamped at the blade of the opening of the diamond-shaped sieve hole, and the seedling stem is cut off by the blade, so that the fruit is separated. Therefore, a plurality of blades are arranged at the diamond-shaped sieve holes of the mesh grid cutting disc and are matched with the seedling pulling action of the lateral unscrewing auger to cut off the seedling stems.

The net grating cutting disc 405 and the lateral rotary conveying auger 406 have spatial relative speed, and fruit and seedling separation is realized through the speed difference between the net grating cutting disc and the lateral rotary conveying auger 406 and the shaking of the net grating cutting disc. Meanwhile, the laterally rotary conveying auger 406 can timely convey the separated seedling vines out of the grid cutting disc. The sorted fruit falls into the collection device below.

the utility model discloses a working process as follows: when the machine works, the machine is put down by a hydraulic cylinder and fed into a cutting table 2, two harvesting clamps at the front part can realize the functions of gathering, raising and falling back through the three-dimensional motion in the space, the stout fruit seedlings are gathered together and pulled to the upper surface of a circular disc cutter 217, the seedling stems are separated from the ground through the cutting of the circular disc cutter 217, then comb teeth 220 stir the plants to a conveying device 3, the plants fall into a grid cutting disc 405 through the transmission of the conveying device, the grid cutting disc 405 realizes the shaking of two degrees of freedom up and down and back and forth through a crankshaft 402 and two eccentric wheels 401, meanwhile, the lateral rotary conveying auger and the grid cutting disc also have relative speeds, the fruits fall into a rhombic sieve mesh 407 at the bottom of the grid cutting disc by using the shaking of the grid cutting disc and the speed difference between the lateral rotary conveying auger, the lateral rotary conveying auger simultaneously pushes the seedling stems to move outwards, and the connecting parts of the tomato seedlings and the rhombic sieve meshes are clamped at the blade of the diamond-shaped orifice, the seedling stem is cut off by the blade, thereby realizing the separation of the tomato and the seedling stem. Meanwhile, the separated seedling vines are conveyed out by the lateral rotary conveying auger, and the fruits enter a collecting device below the lateral rotary conveying auger, so that the fruits are sorted.

Claims (6)

1. The utility model provides a choose formula tomato harvester of sending, includes frame (1) and feeding cutting table (2), feeding cutting table (2) sets up the front end in frame (1), its characterized in that: the automatic picking and conveying device is characterized by further comprising a conveying device (3) and a picking and conveying device (4), wherein the picking and conveying device (4) is arranged at the rear end of the rack (1), the conveying device (3) is arranged between the feeding cutting table (2) and the picking and conveying device (4), the feeding cutting table (2), the conveying device (3) and the picking and conveying device (4) are all connected with the rack (1), and the feeding cutting table (2) is connected with the rack (1) through a lifting system;

the feeding cutting and conveying table comprises a cutting and conveying table rack (218), a gathering device, a tooth-shaped butting cutter and a grid shifting device, the gathering device comprises a pair of harvesting clamps and a gear rack transmission mechanism connected with the two harvesting clamps, the tooth-shaped butting cutter is arranged below the rear parts of the two harvesting clamps respectively, the grid shifting device is arranged above the rear parts of the harvesting clamps, the pair of harvesting clamps comprises a harvesting clamp I (216) and a harvesting clamp II (202), the two harvesting clamps are arranged oppositely, the front ends of the two harvesting clamps are free ends, the opposite surfaces of the front ends of the two harvesting clamps are tooth-shaped, the rear ends of the two harvesting clamps are connected with the gear rack transmission mechanism through a connecting rod I (203), and the rear ends of the two harvesting clamps are connected with a connecting rod I (203) through an eccentric rotating shaft mechanism;

The gear rack transmission mechanism comprises a rack I (208), a rack II (205), a driving gear (206), a rotating plate (207), a notch (209) and a driven gear (211), wherein the rack I (208) is arranged behind a harvesting clamp I (216), the rack I (208) is connected with the harvesting clamp I (216) through a connecting rod I (203), the rack II (205) is arranged behind the harvesting clamp II (202), the rack II (205) is connected with the harvesting clamp II (202) through the connecting rod I (203), the opposite surfaces of the rack I (208) and the rack II (205) are respectively provided with a tooth form, the driven gear (211) is positioned between the two racks and is respectively meshed with the rack I (208) and the rack II (205), so that the moving directions of the rack I (208) and the rack II (205) are opposite, the rack I (208) is fixedly provided with the rectangular notch (209), and the notch (209) is provided with a rectangular chute, the sliding groove is arranged along the direction vertical to the rack, the driving gear (206) is fixedly connected with the rotating plate (207) through the central shaft of the driving gear, the bottom of the rotating plate (207) is provided with a bulge (210), and the bulge (210) is arranged in the sliding groove on the notch (209);

The picking and conveying device comprises two eccentric wheels (401), a crankshaft (402), a mesh grid cutting disc (405), a lateral rotary conveying auger (406) and a front and rear swinging plate (408), the mesh grid cutting disc (405) is cylindrical, the axis of the mesh grid cutting disc is parallel to the width direction of a conveyor belt, an opening is formed in the top of the mesh grid cutting disc (405) towards the conveyor belt, a plurality of rhombic screen holes (407) are formed in the bottom of the mesh grid cutting disc (405) at intervals along the annular side face of the mesh grid cutting disc, the edge of the opening of each rhombic screen hole (407) is in a blade shape, the lateral rotary conveying auger (406) is arranged in the mesh grid cutting disc (405), the lateral rotary conveying auger and the mesh grid cutting disc are coaxially arranged, the lateral rotary conveying auger comprises a central shaft and spiral blades, the front and rear swinging plates (408) are arranged above the mesh grid cutting disc (405), the two ends of the crankshaft (402) are arranged on the front and rear swinging plates (408), the axis direction of the crankshaft (402) is parallel to, a connecting rod II (409) is arranged at the crankshaft journal on the crankshaft (402), the other end of the connecting rod II (409) is connected with a connecting block (410) at the top of the grid slitting disc, square holes (403) are formed in the middle of the front end and the middle of the rear end of the front and rear swinging plates (408), an eccentric wheel (401) is arranged in each square hole, and the annular side wall of each eccentric wheel (401) is tangent to the hole wall of each square hole (403);

The lifting system comprises a hydraulic cylinder (201), the cylinder body of the hydraulic cylinder is connected with the frame (1), and the piston rod of the hydraulic cylinder is connected with the harvesting frame.

2. The pick tomato harvester of claim 1, wherein: the eccentric rotating shaft mechanism comprises a pinion (204), a supporting block (213), harvesting clamp supporting blocks (214), a rotating shaft I (212) and a rotating shaft II (215), the pinion (204) is connected with the supporting block (213) through a connecting rod, the pinion (204) is arranged on the connecting rod I (203) through a central shaft of the pinion, the other end of the central shaft of the pinion is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly provided with a rotating shaft, the rotating shaft is hinged with the supporting block (213), the rear ends of the two harvesting clamps are respectively connected with the supporting block (213) through the rotating shaft I (212), the rotating shaft I (212) is fixed on the supporting block (213), the rear end of the harvesting clamp is hinged with the rotating shaft I (212), the harvesting clamp supporting block (214) is arranged below the supporting block (213), the harvesting clamp supporting block (214) is fixedly connected with the connecting rod I (203), and the rear ends of the, the rotating shaft II (215) is fixed on the harvesting clamp supporting block (214), and the rear ends of the two harvesting clamps are sleeved on the rotating shaft II (215).

3. The pick tomato harvester of claim 1, wherein: the tooth-shaped beveller comprises a pair of circular cutters (217), and the circumferential side surfaces of the circular cutters (217) are in a sawtooth shape.

4. the pick tomato harvester of claim 1, wherein: the grid poking device comprises comb teeth, and the comb teeth (220) are connected with the rack through comb tooth central shafts (219).

5. The pick tomato harvester of claim 1, wherein: the conveying device is arranged obliquely, and one end of the conveying device facing the feeding cutting table is lower than one end of the conveying device facing the picking device.

6. the pick tomato harvester of claim 1, wherein: the conveying device (3) comprises a conveying belt, and an anti-skid device of a rubber support is arranged on the conveying belt.