JPH0757137B2 - Harvester - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a harvester, for example, a device for harvesting headed vegetables such as cabbage and Chinese cabbage.

(Prior art) Conventionally, as a harvester of this type, a lifting conveyor having a sampling blade at the tip and a cutter at the rear is provided, and a transverse feed conveyor is connected to the carry-out end of the lifting conveyor. It has been proposed to install a container or the like at the carrying-out end portion of this lateral feed conveyor.

Then, while removing the heading vegetables with the extraction blade, the heading vegetables are conveyed backward, and the rhizomes of the heading vegetables are cut and removed with a cutter at the rear side part during the transfer,
The heading vegetables are conveyed from the carry-out end portion by a lateral feed conveyor and carried into the container.

(Problem to be Solved by the Invention) In the configuration of the harvester, the heading vegetables are stored in the container without any processing of the cut portion obtained by cutting and removing the rhizome, so that the freshness of the heading vegetables is maintained after harvesting. As a result, the cuts are individually subjected to discoloration prevention treatment by hand. Therefore, there is a problem in that the post-treatment of headed vegetables requires a lot of labor and the harvesting work requires double labor, which is not preferable in terms of work efficiency.

Further, in the one in which the bulb vegetables are directly packaged in the film without the discoloration preventing treatment of the cut roots, there is a problem that the bulb vegetables are easily discolored from the cut and the freshness is easily damaged. .

Therefore, the present invention has been made in view of such a problem, and in addition to harvesting and harvesting heading vegetables in the field by a harvester, packaging the heading vegetables in a film as a part of the harvesting work. It is possible to prevent discoloration from the cut end of the rhizome of the headed vegetables, which can significantly improve the harvesting work efficiency, and to reliably maintain the freshness of the headed vegetables. The purpose is to provide a harvester that can.

(Means for Solving the Problem) The harvesting machine of the present invention, a picking blade body for sandwiching and pulling headed vegetables in the field, and a heading vegetable that is connected to the picking blade body and picked up by the picking blade body. A lifting conveyor that conveys upward and rearward, a cutter that faces the rear side of the lifting conveyor and cuts the rhizome of the heading vegetables that are being conveyed, and a rhizome that is connected to the carry-out end of the lifting conveyor. A transport conveyor that transports the headed vegetables that have been cut into parts, and a packaging unit that is connected to the carry-out end of the transport conveyor and wraps the headed vegetables that have been transported from the transport conveyor in a film,
The transfer conveyor has an endless rolling member which is disposed between the unloading end of the lifting conveyor and the wrapping section so as to be rotatable, and sequentially transfers the headed vegetables toward the wrapping section. A nozzle that sequentially attaches a discoloration-preventing agent for maintaining freshness to the cut end of the rhizome of each of the headed vegetables facing the line is fixed and fixed, and the cut end of the rhizome is treated to prevent discoloration. Is carried out toward the packaging section.

(Operation) In the harvesting machine of the present invention, each heading vegetable extracted from the field by the extracting blade is sequentially conveyed upward and rearward by the lifting conveyor, and during the conveyance, each heading vegetable The rhizome is sequentially cut and removed. Further, each headed vegetable with the rhizomes cut is sequentially transported from the carry-out end of the lifting conveyor onto the endless traveling body of the conveyor, and each headed vegetable is transferred to the endless traveling body of the conveyor. The vegetables are sequentially transported to a packaging unit that wraps them in a film.

At this time, since the nozzle for ejecting the anti-tarnish agent for keeping freshness is arranged and fixed facing the endless traveling body of the conveyor, each headed vegetable is located at the nozzle disposition position in this endless traveling body. When transported to, the anti-tarnish agent for maintaining freshness is sequentially ejected from the nozzle to the cut ends of these rhizomes of each headed vegetable, and the tarnish inhibitor is automatically attached to the head ends of each headed vegetable in sequence. It

Therefore, the endless circular body of the conveyor conveys the cuts of the rhizomes of each headed vegetable to the packaging section as heading vegetables that have been subjected to discoloration prevention treatment, and carries them out sequentially from the delivery end to the packaging section. Each of these heading vegetables is sequentially film-wrapped in the packaging section.

(Examples) Examples of the present invention will be described below with reference to the accompanying drawings.

In the first embodiment shown in FIGS. 1 to 6, reference numeral 1 is a main body frame, and a transmission case 3 having a built-in mission 2 is fixed to a substantially middle portion on the front side of the main body frame 1, and an input shaft of the mission 2 is fixed. 4 is rotatably projected toward the front part. Further, a connecting frame 8 having a three-point connecting portion 7 that is detachably connected to the three-point link mechanism 6 of the tractor 5 is fixed to a substantially middle portion of the front end of the main body frame 1.

Next, brackets 11 and 11 are fixed relative to the middle lower parts of the left and right support frames 10 and 10 which are horizontally mounted on the upper part of one side of the main body frame 1 through the front and rear and left and right columns 9, 9, 9, and 9. The suspension arm 13 extends toward the front on the front frame 12 extending horizontally between the front left and right columns 9, 9 and the base portion of the main body 15 of the cylinder device 14 is located below the front end of the suspension arm 13. Is rotatably mounted on a support shaft 16.

Further, between the left and right brackets 11 and 11, a pair of lifting conveyors 18, which are inclined by a support shaft 17, 17 and a rear holding frame 19 that holds a portion near the rear end of the lifting conveyor 18, is rotatable. A front holding frame 20 that is mounted on a shaft and holds the front ends of the pair of lifting conveyors 18, 18 is suspended by a spindle 21 on a piston rod 22 of the cylinder device 14 so that its height can be adjusted. .

The pair of lifting conveyors 18, 18 includes the front holding frame 20.
A pair of strength members 23, 23 are fixed in parallel between the rear holding frame 19 and the rear holding frame 19 at a predetermined interval, and the front holding members are located at the front ends of the pair of strength members 23, 23. Guide rollers 24, 24 are rotatably supported by supporting shafts 25, 25 in the frame 20, and are positioned at the rear ends of the pair of strength members 23, 23, and are driven by driving rollers in the rear holding frame 19. 26, 26 are rotatably mounted on drive shafts 27, 27, and endless belt-like endless rolling bodies 28, 28 are rotated between the guide rollers 24, 24 and the drive rollers 26, 26 facing each other at the front and rear portions thereof. Suspended freely, the left and right drive shafts 2
Hydraulic motors 29 and 29 are linked to 7 and 27.

Then, by driving the left and right hydraulic motors 29, 29, the left and right endless traveling bodies 28, 28 are rotated at the same speed in opposite directions so that the inner traveling portions 30, 30 facing each other rotate backward. The head portion B of the heading vegetable A as the vegetables to be packaged is sandwiched between the inner traveling portions 30, 30 that are opposed to each other, and the root portion B is conveyed backward and upward.

Next, a pair of left and right attachment pieces 31, 31 are fixed to each other from the lower end of the front holding frame 20 toward the front, and the left and right attachment pieces 31, 31 are attached to the headed vegetables A in the field. A pair of extraction blade bodies 32, 32 for sandwiching and pulling out are respectively fixed. The pair of extraction blades 32, 32 communicates with the gap 33 between the inner traveling parts 30, 30 that holds the rhizome B of the headed vegetable A, and a series of communication gaps 34 and an expanded inlet 35. And are fixed to each other. In addition, the pair of extraction blades 32, 32 support the lower part of the headed vegetable A on the upper surface and guide the rearward and upper part of the headed vegetable A so that the rear part is gradually inclined and the arc-shaped support surfaces 36, 36. Is formed.

Further, a cutter 41 is provided which faces the rear side portions of the pair of lifting conveyors 18 and 18 and cuts the rhizome B of the heading vegetable A being conveyed. That is, a fixed blade 37 is attached to the rear lower part of the pair of strength members 23, 23, and a rotary blade that slides and rotates with respect to the fixed blade 37 at the rear lower part of the one strength member 23. A rotary blade 38 is rotatably mounted, and the rotary blade 38 is linked to a hydraulic motor 40 supported by a mounting frame 39 of one strength member 23. The fixed blade 37 and the rotary blade 38 constitute the cutter 41 for cutting and removing the rhizome B of the headed vegetable A.

Further, the body frame 1 is provided below the cutter 41.
An inlet port 43 of a container 42 which is placed on and off freely is opened, and a rhizome B cut by the cutter 41 is dropped and stored in a package bag 44 accommodated in the container 42. It has become so.

Next, on the platform 45 fixed to the upper part of the main body frame 1 and on the main body frame 1, there are provided lateral feed conveyors 48 as front and rear, left and right support legs 46, 47 as a conveyer conveyor. In the lateral feed conveyor 48, a driving roller 50 and a driven roller 51 are rotatably mounted on one outer end portion and a substantially intermediate portion of a frame 49 extending in the left-right direction. An endless traveling body 52 is suspended between the driven rollers 51 so as to be freely rotatable.

Further, a vegetable receiver 53 for receiving the heading vegetables A is disposed and fixed at a predetermined interval on the endless traveling body 52, and each vegetable receiver 53 is formed of a large number of narrow plate-shaped elastic members. By the bottom plate portion 55 in which the pieces 54 are arranged in parallel and configured in a circular shape, and the side frame 57 vertically arranged in the upper part of the peripheral edge of the bottom plate portion 55, the narrow width plate-like piece 56 is arranged. , Is formed in a cylindrical shape whose upper part is expanded.

Then, the carry-in portion of the outer side of the endless traveling body 52 is disposed so as to face the lower part of the carry-out end portion of the pair of lifting conveyors 18, 18, and each vegetable receiver 53 thereof has the pair of lifting bodies. The conveyor 18 is arranged so as to sequentially face the lower portion of the carry-out end portion of the conveyor 18 so as to receive the heading vegetable A to be carried out.

Further, the drive shaft of the drive roller 50 of the transverse feed conveyor 48.
An output shaft 61 of an electric motor 60 is interlocked with 58 via a gear interlocking mechanism 59, and the electric motor 60 is fixed on a bracket 62 projecting from one side of the frame 49. Then, the electric motor 60 causes the endless traveling body 52 of the lateral feed conveyor 48 to rotate inward.

Next, a support arm is provided on the upper inside of the transverse feed conveyor 48.
63 is provided in a projecting manner, and at the tip of this support arm 63, it is located in the middle upper part of the transverse feed conveyor 48 in the width direction and each vegetable receiver 53
A nozzle 64 as an attachment means for ejecting and adhering the discoloration preventing agent D containing nitrohumic acid or salt water of humic acid as a main component is suspended downward toward the cut C of the headed vegetable A, for example. There is. A cylindrical cover body 65 is attached to the lower portion of the nozzle 64 to prevent the discoloration preventive agent D from diffusing and linearly guide it downward, and the nozzle 64 is provided with a hose 66. A pump 67 for pumping the anti-tarnish agent D is connected to the pump 67.
The pump 67 is fixed on the body frame 1, and the pump 67 is connected to an electric motor (not shown). The pump 67 and the electric motor are connected to control means (not shown).

Further, a pair of first sensors 70 are disposed in the front and rear portions below the nozzle 64 and above the side frame 57 of each of the vegetable receivers 53 so as to face each other. One sensor 70 is connected to the control means (not shown).
Then, the heading vegetables A on the vegetable receiver 53 are moved between the first sensors 70, and the first sensors 70 detect the heading vegetables A to operate, thereby detecting the first sensors 70. The control means is operated by the output of the signal to the control means, and the pump 67 and the electric motor are operated by this control means, and the cut C of the headed vegetable A from the nozzle 64.
The discoloration preventive agent D is sprayed on.

Further, the heading vegetable A passes between the first sensors 70, and the detection signal of the first sensor 70 is output to the control means to operate the control means. The motor is stopped and the nozzle
Ejection of tarnish inhibitor from 64 is designed to be stopped. The first sensor 70 may be a reflection type, a transmission type, a photoelectric switch, or the like.

Next, from the outer end of the other side of the frame 49 to the substantially middle part, that is, to the lower part in the vicinity of the carry-out end of the lateral feed conveyor 48, an upper guide plate 71 and a lower guide plate 72 as guide bodies have a predetermined guide space 73. And are arranged and fixed in a horizontal manner so as to face each other vertically.

In addition, a driving roller 74 and a tension roller are provided on the upper and lower parts of the upper guide plate 71 and the lower guide plate 72 facing the inner ends thereof.
75 are opposed to each other in the width direction, and this drive roller 74
Is rotatably mounted on a drive shaft 76 provided on the frame 49. Further, the tension roller 75 is rotatably mounted on one end of an L-shaped link 78 which is vertically rotatable by a support shaft 77 provided on the frame 49, and the tension roller 75 is connected to the other end of the L-shaped link 78. A coil spring 79 is stretched between the frame 49 and the frame 49.

The coil spring 79 allows the L-shaped link 78.
Through the tension roller 75 is always the drive roller
It is urged in the direction of pressing against 74. Further, an output shaft 82 of an electric motor 81 is interlockingly connected to one end of a drive shaft 76 of the drive roller 74 via a gear interlocking mechanism 80, and the electric motor 81 is attached to one side portion of the frame 49 via a bracket (not shown). It is fixed.

Further, in a portion outside the upper and lower drive rollers 74 and tension rollers 75, a pair of air supply pipes 83 are horizontally mounted on the frame 49 close to the upper and lower portions of the upper guide plate 71 and the lower guide plate 72, A plurality of air nozzles 84 are provided at predetermined intervals in the length direction of the pair of upper and lower air supply pipes 83 so as to project outward in a state of being inclined toward the upper guide plate 71 and the lower guide plate 72, and Upper and lower air nozzles 84
The front end portion of is disposed in a guide groove 85 formed so as to communicate with each other in the width direction of the upper guide plate 71 and the lower guide plate 72.

Further, a compressor 87 for pressure-feeding air to the pair of upper and lower air supply pipes 83 is connected to the one end of the air supply pipe 83 through a conduit 86 via a control means, and the compressor 87 is fixed on the main body frame 1. Further, the first output shaft 68 of the mission 2 is operatively connected to the other end of the mission 2 via an interlocking medium 88. A pair of upper and lower drive rollers 74 and tension rollers 75 and a pair of upper and lower air supply pipes 83 having a large number of air nozzles 84 constitute a film pressure feeding device 89.

Further, guide grooves 90, 91, and 92 communicate with the upper and lower parts of the upper guide plate 71 and the lower guide plate 72 in the width direction thereof in the vicinity of the outside of the upper and lower air supply pipes 83 and the outer ends of the other side. Plate-shaped first stoppers 93 and second stoppers 94 are respectively formed in the guide grooves 91, 92 of the upper guide plate 71, and the first and second stoppers 93, 94 are It is fixed to the frame 49.

Also, a first cylinder 95 and a second cylinder 96 are arranged and fixed respectively below the guide grooves 90, 91, 92 of the lower guide plate 72, and the piston rod of the first cylinder 95 is fixed.
The guide groove 90 is provided on the bracket 98 fixed to the upper end of 97.
A cutter 99 that is inserted into the inside of the guide groove 91 from below, and a plate-shaped pressing body 100 that is inserted into the lower end of the first stopper 93 from inside of the guide groove 91 and that is inserted into the inside of the guide groove 91 from below so as to be movable forward and backward.
Are vertically projected. Further, the bracket 102 fixed to the upper end of the piston rod 101 of the second cylinder 96 is insertably engaged with the lower end of the second stopper 94 from the guide groove 92 from below. A plate-shaped pressing body 103 is vertically provided.

Further, a second sensor 104 is arranged and fixed in a guide groove 92 in the vicinity of the outside of the second stopper 94 of the upper guide plate 71, and a film described later is inserted in the lower portion of the second sensor 104. Together with this, it operates by detecting this, and the output signal of the second sensor 104 controls the compressor 87 and the electric motor 81 (not shown).
Is operated to drive the drive roller 74 of the film pressure feeding device 89.
And the ejection of air from each air nozzle 84 of the air supply pipe 83 are controlled. The second sensor
A reflective type, a transmissive type, a photoelectric switch, or the like may be used for 104.

Next, the first stopper 93 and the second stopper 94
Between the upper guide plate 71 and the upper guide plate 71, a circular guide hole 105 having a size for dropping the headed vegetables A is formed, and the lower guide plate 72 communicates with the guide hole 105 and is larger than this. A circular circular guide hole 106 is provided. Further, the package carrying-out device 10 for packing the heading vegetable A in the lower part of the guide hole 106 of the lower guide plate 72 and carrying it out.
7 is provided on the body frame 1.

The packaging unloading device 107 includes a rotary actuator 1
A swing cylinder 109 is vertically rotatably attached to the 08, and a piston 111 provided on the swing cylinder 109 has a tip end portion provided with a packaging body 111 as a packaging portion for receiving and packaging the headed vegetable A. It is configured. This packaging body 111 has a main body 112 formed in a substantially hemispherical shape with an open top surface, and a connecting body 113 fixed to the tip of the piston rod 110 is projectingly provided at the lower center of the main body 112. An air intake hole 114 is vertically formed in the central portion of the connecting body 113, and a connecting hole 115 is provided in a protruding manner on one side of the connecting body 113 so as to communicate with the intake hole 114. 116 has been drilled.

Further, a flange 119 of an inner wall body 118 made of an elastic member disposed in the main body 112 is integrally fixed to an annular flange 117 protruding from the inner wall portion of the upper edge of the main body 112,
The inner wall body 118 is formed in a substantially hemispherical shape with the upper surface portion opened, and the flange 119 is formed on the outer peripheral edge portion of the upper edge portion of the opening, and the outer surface portion of the inner wall body 118 and the main body 1 are formed.
Intake space 120 consisting of a predetermined gap between the inner surface of 12
Is formed in a substantially hemispherical shape, and a large number of intake holes 121 communicating with the intake space 120 are radially formed in the inner wall 118.

Further, the connecting metal 123 connected to one end of the hose 122 is detachably connected to the connecting portion 115 of the connecting body 113 of the main body 112, and the other end of the hose 122 is connected to the vacuum device 1
This vacuum device 124 is provided on the main body frame 1 and is connected to the main frame 1.

Next, a pair of third sensors 125 are disposed and fixed facing each other in the front and rear portions above and above the upper guide plate 71 in the front and rear portions of the package 111 of the package unloading device 107. This third sensor 125 is the third sensor 1
The heading vegetable A is moved between 25 and is activated by detecting this, and the output signal of the third sensor 125 controls the vacuum device 124 (not shown).
Is actuated, the inside of the package 111 is sucked, and the heading vegetable A drops and passes over the package 111 from between the third sensors 125, and the control means of the vacuum device 124 is activated, and the vacuum device 124 is activated. The suction operation of is stopped. The third sensor 125 may be a reflection type, a transmission type, a photoelectric switch, or the like.

Further, at the elevating position of the package 111 of the package unloading device 107, a pair of cylinder devices 126 are fixed relative to each other at the front and rear portions of the frame 49 located below the lower guide plate 72. A heat sealer 128, which also functions as a cutter, is attached to the tip end portion of the piston rod 127 of the cylinder device 126, which is opposed to each other, and which fits together films to be described later for heat fusion and cutting.

Further, a rotating shaft 130, which supports the film roll 129 wound with the film F so as to be able to be drawn out, is mounted around the lower middle portion of the frame 49, and the film F rewound from the rotating shaft 130 is a tension roller 131. Also, it is configured so as to be sequentially supplied between the drive roller 74 and the tension roller 75 via a plurality of guide rollers 132. The film F is a stretchable synthetic resin film configured to remove various living gases generated when fresh food is packaged and maintain the freshness of the food.

Further, the carry-out end portion of the lateral feed conveyor 48 and the guide hole 10
The chute body 134, which is formed by arranging a number of rollers 133 rotatably side by side between the one side opening edge of the 5,106, is the guide hole 10.
It is provided in a state of descending and slanting toward 5,106.

Next, a lifting conveyor 135 is provided on the main body frame 1 on the outer side of the packaging and unloading device 107. In this lifting conveyor 135, a driving roller 136 and a driven roller 137 are rotatably supported in parallel at the upper and lower parts, and an endless rolling body 138 is rotatably suspended between the driving roller 136 and the driven roller 137. The endless traveling body 138 is provided with a large number of comb-shaped lifting bodies 1 at predetermined intervals.
39 are respectively projected toward the outside. In addition, the packaging body 111 is attached to the lower inside of the lifting conveyor 135.
A bucket body 140 for carrying in the headed vegetables A carried out from the bucket body 140 is provided, and each comb tooth piece 143 of each lifting body 139 passes through a plurality of guide grooves 142 formed in the bottom plate 141 of the bucket body 140. It is supposed to be done. Further, the comb teeth pieces 14 of the lifting body 139 are provided on the outer upper side of the lifting conveyor 135.
Chute body having a plurality of guide grooves 144 for guiding the passage of 3
A bucket 146 is provided via 145. Further, the second output shaft 149 of the mission 2 is connected to the drive shaft 147 of the drive roller 136 of the lifting conveyor 135 via the interlocking medium 148.
Are linked together.

Next, a hopper 150 is attached to one end of the platform 45.
Is fixed, and the shredder rotor 151 is attached to the bottom of the hopper 150.
Is rotatably supported, and a large number of shredding blades 152 are radially provided at predetermined intervals in the axial direction of the rotating shaft of the shredding rotor 151. It is adapted to be rotated close to a large number of fixed blades 153 protruding from the front side portion of the lower bottom portion. Then, the fixed roots 153 and the shredding blades 152 shred the unnecessary root-and-leaf portions of the headed vegetable A, and the shredded pieces shredded by the shredded rotor 151 are rotated from an outlet (not shown) by the rotation thereof. It is designed to be discharged. Also, the mission 2
A rotary shaft having a large number of shredding blades 152 is interlockingly coupled to the first output shaft 68 via an interlocking medium 154.

In the figure, 155 is a wheel rotatably mounted on the main body frame 1, and 156 is a wheel of the tractor 5.

Next, the operation of the above embodiment will be described.

When the output of the output shaft of the tractor 5 is transmitted to the input shaft 4 via the power transmission shaft 158 and the mission 2 is driven while the tractor 5 advances to pull the machine, the first and second
The output shafts 68, 149 of the above are rotated, power is transmitted to the compressor 87 via the interlocking media 88, 148, 154, and at the same time, power is transmitted to the shredder rotor 151 and the endless rotating body 138 of the lifting conveyor 135, and the shredder rotor 151. Is rotated in the set direction, and the endless rolling body 138 is rotated in the set direction. Further, by driving the hydraulic motors 29, 29, 40, the pair of endless traveling bodies 28, 28 are rotated in the set direction, and the rotary blade 38 thereof is rotated in the set direction. .

Then, when the headed vegetable A in the field is introduced into the introduction port 35 between the pair of extraction blades 32, 32, the headed vegetable A is on both sides of the support surfaces 36, 36 of the pair of extraction blades 32, 32. While being supported so as to be sandwiched from the portion, the rhizome B of the headed vegetable A is transferred into the communication gap 34 between the pair of extraction blades 32. In this case, since the supporting surfaces 36, 36 are formed so as to be inclined rearward and upward, the heading vegetables A in the field are gradually rearward and upward by the supporting surfaces 36, 36 as the supporting surfaces 36, 36 progress. The rhizome B is pulled out from the field at the rear end.

The heading vegetables A extracted by the pair of extraction blades 32, 32 are introduced as they are into the carry-in portions of the pair of lifting conveyors 18, 18, and the upper portion of the rhizome B is an endless rolling body. It is held between the inner traveling parts 30, 30 in 28, 28, and the lower part of the heading vegetable A is supported so as to rest on the upper part of the inner guiding part 30, 30. The parts 30, 30 are conveyed upward and rearward in the planted state.

When the heading vegetable A is conveyed to the position of the cutter 41 at the rear side of the pair of lifting conveyors 18, 18, the lower part of the rhizome B of the heading vegetable A is cut and removed by the fixed blade 37 and the rotary blade 38. Then, the rhizome B is dropped and stored in the bag 44 in the container 42. As a result, since the lower rhizome B containing soil is removed, soil is prevented from being mixed into the stem of the headed vegetable A, and the rhizome B is stored in the bag 44. The number of labors and labor to collect are unnecessary.

In addition, the bulb-shaped vegetable A from which the rhizome B has been cut off is further conveyed to the rear part as it is, and the inner circulation part at the carry-out end part thereof.
Since the sandwiching by 30,30 is released, the headed vegetable A is successively carried on the respective vegetable receivers 53 of the carry-in section of the lateral conveyor 48. In this case, the endless traveling body of the lateral feed conveyor 48
52 is preliminarily rotated in the carrying-out direction set by the electric motor 60 via the gear interlocking mechanism 59, and each vegetable receiver 53 provided on the endless rolling body 52 is made of an elastic member. Since the bottom plate portion 55 and the side frame 57 are composed of the bottom plate portion 55 and the side frame 57, and the bottom plate portion 55 and the side frame 57 are composed of a large number of narrow plate-like pieces 54 and 56, the vegetable receiving body 53 has an elastic receiving action so that the headed vegetable A Can be easily carried into the vegetable receiver 53 without being damaged.

Further, a worker on the platform 45 picks up the heading vegetables A carried into the lateral conveyor 48, cuts unnecessary root leaves included in the upper part of the roots B of the heading vegetables A with the cutter 41, and the heading vegetables A When the heading vegetable A is placed in the vegetable receiver 53 of the lateral feed conveyor 48 after the cutout C is faced up after the heading A is prepared for shipment, the heading vegetable A
Is conveyed in the carry-out direction by the endless traveling body 52 while being held in the vegetable receiver 53, and the heading vegetable A in the vegetable receiver 53 is moved between the first sensors 70, The first sun sensor 70 operates by detecting the presence of the headed vegetable A, and the detection signal of the first sensor 70 is output to the control means to operate the control means.

Then, the pump 67 and the electric motor are operated by this control means, and the discoloration preventing agent D is sprayed from the nozzle 64 to the cut C of the heading vegetable A through the hose 66, and the discoloration preventing agent D is cut C. The cut C is protected by the discoloration preventing agent D. In this case, since the cylindrical cover body 65 is attached to the nozzle 64, this cover body 65
As a guide, the discoloration preventing agent D is linearly and intensively sprayed toward the cut end C and attached.

In addition, the endless traveling body 52 travels in the carrying-out direction to
Heading vegetables A pass between the sensors 70 of the
Sensor 70 detects the absence of heading vegetable A and operates,
By outputting the detection signal of the first sensor 70 to the control means, the control means is operated, the operation of the pump 67 and the electric motor is stopped by this control means, and the discoloration preventive agent D is ejected from the nozzle 64. It is stopped and prepared for discoloration prevention processing of the cut C of the next headed vegetable A. Then, by traveling in the carry-out direction of the endless traveling body 52, the headed vegetable A having the cut C discoloration-prevented treated from the carry-out end portion is carried into the chute body 134,
Each of the rollers 133 conveys the rollers toward the guide holes 105 and 106.

Next, before the heading vegetables A whose discoloration prevention treatment has been applied to the cut end C are conveyed by the chute body 134, the drive roller 74 is driven by the drive of the electric motor 81 and the rotation of the drive roller 74 and the tension roller 75 is performed. The film F of the film roll 129 of the rotating shaft 130 is sequentially drawn out via the tension roller 131 and the guide roller 132, and is guided space between the upper guide plate 71 and the lower guide plate 72.
It is supplied from the inner end of 73 to the outer end.

Further, the electric motor 81 of the drive roller 74 is driven, the control means of the compressor 87 is operated, and the compressor 87 is operated, and air is supplied from the air nozzles 84 of the pair of upper and lower air supply pipes 83 via the conduit 86. Erupted.

The film F sequentially supplied into the guide space 73 by the drive roller 74 and the tension roller 75 moves toward the outer end portion in the guide space 73 by the pressure of the upper and lower air jetted from the upper and lower air nozzles 84. The film F is forcibly conveyed sequentially, and the conveying end of the film F is conveyed to the lower end of the second sensor 104 at the outer end of the upper guide plate 71, and the second sensor 104 detects the presence of the film F. The control means is operated by the detection signal of the second sensor 104, and the compressor 87 and the electric motor 81 are operated.
Is controlled, the rotation of the drive roller 74 and the ejection of air from each air nozzle 84 are stopped, and the next film F
To prepare for supply. As a result, the film F becomes the upper guide plate 71.
It is expanded and set in a flat plate shape on the upper guide plate 71 centered on the guide hole 105.

Further, the film F is set on the upper guide plate 71, the first cylinder 95 and the second cylinder 96 are simultaneously operated, and the respective piston rods 97 and 101 are extended. Then, the pressing body 100 of the first cylinder 95 advances from the lower guide groove 91 into the upper guide groove 91 and is brought into contact with the lower part of the first stopper 93.
The film F is held by the stopper 93 and the cutter 99 advances from the lower guide groove 90 into the upper guide groove 90, and the film F is cut by the cutter 99.

In addition, almost simultaneously with the cutting of the film F, the second cylinder
The pressing body 103 of 96 advances from the lower guide groove 92 into the upper guide groove 92 and abuts against the lower part of the second stopper 94, and the film F is held by the pressing body 103 and the second stopper 94. It Therefore, the film F spread and set on the upper guide plate 71 is cut into a predetermined size necessary for packaging the headed vegetables A, and the cut film F is
Both side portions of the upper and lower guide holes 105 and 106 are held at a position apart from the opening edges of the upper and lower guide holes 105 and 106 while being stretched on the upper surface portions of the upper and lower guide holes 105 and 106.

Further, the package 111 of the package unloading device 107 is preliminarily raised and the upper edge of the opening thereof is advanced into the guide hole 106 of the lower guide plate 72 and disposed in contact with the lower portion of the film F.

In such a state, the heading vegetable A is conveyed by the chute body 134 as described above, and the heading vegetable A of this heading vegetable A is moved between the third sensors 125 via the chute body 134, and at the same time, the third sensor 125 operates by detecting the presence of headed vegetable A, the control means is operated by the detection signal of the third sensor 125, the vacuum device 124 is operated, and the air inside the package 111 is supplied via the hose 122. Is sucked through the many intake holes 121, the intake space 120, the intake holes 114, and the communication holes 116. Then, the film F in which both sides on the opening edge of the packaging body 111 are held is the packaging body.
This film F is sucked into and stretched in 111, and the film F
It is adsorbed and supported along the inside of the inner wall body 118 of 11.

Further, as the film F is sucked and adsorbed, the headed vegetable A is dropped and received through the film F adsorbed in the inner wall 118 of the package 111. When the heading vegetable A is received in the package 111, the swing cylinder 109 is operated by the rotary actuator 108 of the package unloading device 107,
When the piston rod 110 and the package 111 having the headed vegetables A integral with the piston rod 110 are contracted and lowered while rotating, the film F sandwiched on both sides of the film F is pulled downward through the headed vegetables A and headed. The vegetable A is rotated so as to wrap it, and the vegetable A is twisted and bound at the upper part of the vegetable A.

The bundling portion f of the film F encapsulating the bulbous vegetable A is located between the pair of heat sealers 128, and the pair of cylinder devices 126 is operated, so that the pair of heat sealers 128 are opposed to each other via the piston rod 127. The heat sealer 128 is fitted through the binding portion f, the binding portion f is heat-sealed by the pair of heat sealers 128, and the heat sealing portion is Is cut off at the top.

Further, when the package 111 having the heading vegetables A wrapped with the film F is contracted and lowered to the predetermined lowered position, the lowering of the piston rod 110 of the swing cylinder 109 is stopped and the suction operation of the vacuum device 124 is stopped. Is
The suction support of the film F with respect to the inner wall 118 of the package 111 is released.

Then, the swing cylinder 109 is rotated downward by the rotary actuator 108 of the package unloading device 107,
When the descending rotation is stopped at the rotating end of the swing cylinder 109, the package 111 is opposed to the bucket body 140 in a sideways state, and the packed head vegetables A in the package 111 are It is automatically carried in and out on the bucket body 140.

Further, when the packed headed vegetables A are carried out, the swing cylinder 109 is raised and rotated by the switching operation of the rotary actuator 108 of the package carrying-out device 107, and the swing cylinder 109 is shifted to the vertical state and the piston The rod 110 is extended. Then, the package 111 is lifted and the opening edge is returned to the guide hole 106 of the lower guide plate 72 again to prepare for the next packaging of the headed vegetable A.

At the same time, the first cylinder 95 and the second cylinder 96 are operated, the piston rods 97 and 101 and the brackets 98 and 102 are contracted and lowered, and the cutter 99 and the pressing bodies 100 and 103 are guided by the guide groove 90 of the lower guide plate 72. , 9
It is retracted into 1,92 to prepare for the next gripping and cutting of the film F.

Next, the heading vegetables A packaged with the film F carried on the bucket body 140 are picked up and lifted by each comb tooth piece 143 of the lifting body 139 in the lifting conveyor 135, and the bucket vegetables 145 through the chute body 145. It is carried into 146.

In this way, the heading vegetables A sequentially extracted from the field by the pair of extraction blades 32, 32 have a pair of lifting conveyors 18,1.
8 is sequentially conveyed, and the rhizome B of each headed vegetable A is sequentially cut and removed during the conveyance. In addition, each heading vegetable A is a vegetable receiver of the horizontal conveyor 48.
Each of the vegetable receivers 53 is conveyed to the cuts C facing upward while being conveyed in the state of being sequentially received by 53.
The discoloration preventive agent D is automatically sprayed every time and the discoloration prevention process of the cut C is performed.

Further, the film F for packaging the headed vegetable A is automatically developed and supplied on the package 111 by the film pressure feeding device 89, and the film F is supplied to the inner wall 118 of the package 111 by the vacuum device 124. While being adsorbed and supported, the heading vegetables A are automatically received in the inner wall 118 through the film F. The heading vegetables A are wrapped by the film F by the wrapping and conveying device 107, and the heading vegetables A thus wrapped are automatically carried in and out on the bucket body 140, and are conveyed and carried out by the lifting conveyor 135. is there.

Next, a second embodiment shown in FIGS. 7 to 9 will be described below.

This second embodiment is different from the first embodiment in that heading vegetables A
By changing the positions of the lateral feed conveyor 48 as a transport device for transporting and the nozzle 64 for ejecting the discoloration preventing agent D,
Therefore, the same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

Lateral feed conveyor as the transport conveyor of the second embodiment
160 is the drive shaft 1 at the substantially middle portion of the film F and the outer end portion on one side.
The left and right drive shafts 161 and 162 are rotatably mounted parallel to each other so as to be rotatable in parallel, and a pair of drive rollers 163 and driven rollers are provided on both sides of the left and right drive shafts 161 and driven shafts 162 in the longitudinal direction, that is, the front-back direction. 164 are fixed at intervals 165 respectively, and a pair of endless rolling members 166, 166 are rotatably suspended between the left and right driving rollers 163 and the driven roller 164 which face each other. A passage 167 is formed between the opposing inner edges of body 166.

Further, the nozzle 168 as an attachment means for ejecting the discoloration preventing agent D of the second embodiment is provided with the pair of endless traveling members 166,166.
The stay 16 fixed to the frame 49 at the lower part of the
It is fixed upward through the bracket 170 to the middle part of 9,
Further, the nozzle 168 is fixed so that its tip end faces the upper passage 167 from the lower passage 167 between the pair of endless traveling bodies 166, 166.

With such a configuration, the cut C of each headed vegetable A projects downward into the passage 167 between the pair of endless rolling bodies 166, 166, and each headed vegetable A forms a pair of endless rolling bodies 166, 166. The cut C of each headed vegetable A is carried to the upper part of the nozzle 168, and the nozzles below the headed C of each headed vegetable A are cut from the cut C as in the case of the first embodiment. A discoloration preventive agent D for keeping freshness is sprayed from 168, and the cut end C of each headed vegetable A is subjected to a discoloration preventive treatment by the discoloration preventive agent D in sequence.

In this case, a timer is used in accordance with the traveling speed of the pair of endless traveling bodies 166, 166, that is, the time for which the heading vegetable A is conveyed from the carry-in section for conveying the headed vegetable A of the pair of endless traveling bodies 166, 166 to the position of the nozzle 168. Alternatively, the discoloration preventing agent D may be ejected to the cut C by the operation of this timer.

(Effects of the Invention) According to the present invention, a conveyor for conveying each headed vegetable whose rootstock has been cut by a cutter is rotatably disposed between the carry-out end of the lifting conveyor and the packaging section. It has an endless traveling body that sequentially conveys each heading vegetable toward the packaging section, and faces this endless traveling body to prevent discoloration for maintaining the freshness of the cut end of the root stem of each heading vegetable The nozzle for sequentially attaching the agent was arranged and fixed, and the cut end of the rhizome was carried out as the heading vegetable with the discoloration prevention treatment agent toward the packaging section, so each heading vegetable in the field was removed by the harvester. Along with harvesting, as a part of the harvesting work in which each heading vegetable is wrapped in a film and harvested, it is possible to surely perform discoloration prevention treatment on the cut portion where the rhizome of each heading vegetable is cut and removed before packaging. , To the nozzle facing the endless traveling body Since the anti-tarnish agent for keeping freshness is sequentially attached to the cut of the rhizome of each headed vegetable, the anti-tarnish agent for keeping freshness can be effectively attached to the cut of the rhizome. At the same time, it is economical because waste of the discoloration preventing agent can be omitted. Therefore, it is possible to drastically improve the harvesting work efficiency by automating a series of operations from the extraction work of extracting each heading vegetable in the field to the discoloration prevention treatment of each heading vegetable cut and wrapping each heading vegetable with a film. In addition, it is possible to provide a harvester with excellent workability that can surely maintain the freshness of each headed vegetable and prepare for shipping.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a plan view of a harvester, FIG. 2 is a side view of the same as above, FIG. 3 is a transverse explanatory view of the same as above, and FIG. Fig. 5 and Fig. 5 are sectional views of the sealing mechanism section of the same as above, Fig. 6 is an enlarged sectional view showing the packaging state of the same as above, and Figs. 7 to 9 show other embodiments. FIG. 8 is a plan view of the machine, FIG. 8 is a side view of the same as above, and FIG. 18 …… Lifting conveyor, 32 …… Extracting blade, 41 …… Cutter, 48,160 …… Conveyor, 52,166 …… Endless traveling body,
64,168 …… Nozzle, 111 …… Packaging section, A …… Heading vegetables,
B: rhizome, C: cut, D: discoloration preventive, F:
the film.

Claims (1)

[Claims] 1. A pick-up blade body for picking up and picking up head-blowing vegetables in a field, and a lifting conveyor which is connected to the pick-up blade body and conveys the head-tied vegetables taken out by the pick-up blade body to the upper rear side.
A cutter that faces the rear side of the lifting conveyor and cuts the rhizome of the heading vegetables that are in the middle of transportation, and a conveyor that conveys the heading vegetables whose roots are cut and that are connected to the carry-out end of the lifting conveyor. A conveyor and a wrapping unit that is provided at the unloading end of the transporting conveyor and that packs the heading vegetables carried out from the transporting conveyor with a film, and the transporting conveyor includes the unloading end of the lifting conveyor and the packaging unit. It has an endless traveling body which is arranged between the packaging section and can be conveyed freely toward the packaging section and sequentially conveys the headed vegetables, and the rhizome of each headed vegetable facing the endless body. A nozzle for sequentially attaching a tarnish preventive agent for maintaining freshness is arranged and fixed to the cut end of the root part, and the cut end of the rhizome part is carried out to the packaging part as a tarnish-proof treated heading vegetable. Harvester.