JP2006333761A - Foliage conveying apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To surely and finely cut foliage and to unload the cut foliage in an easily driable state to a field since there is a problems that even if foliage transported in a standing state is fed to a cutter, it is slipped through between cutting disks. <P>SOLUTION: The foliage conveying apparatus has constitution that in a foliage treatment apparatus with which foliage of a crop is nipped by a pair of right and left endless nipping belts, pulled out and conveyed upward to the rear of a main body, fed to a cutter at the rear part of the machine body and shredded to small pieces, the cutter is obtained by equipping a pair of right and left revolving shafts in the longitudinal direction of the main body with a large number of cutting disks at intervals, respectively, the rear ends of the nipping belts are faced to the upper part of the cutting part of the superimposed blade edges of the cutting disks, a pair of right and left foliage sending devices having revolving feed pawls are arranged at the rear upper parts of the nipping belts, the revolving speed of the feed pawls is made higher than the conveying speed of the nipping belts and the foliage of the nipping belts in an attitude of being backward pulled down is fed to the cutting part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a foliage processing machine that pulls out foliage while processing potatoes in the basement, and in particular, relates to a foliage conveying apparatus that conveys the foliage backward with a pair of left and right endless pinching belts between them. is there.

  In the foliage processing machine, a potato is cut off from the root part of the foliage with a cutter or the like, and a foliage conveying device that pulls out the foliage while holding the heel surface by a claw holding mechanism so that the potato is not pulled out together with the foliage. The one with is known. The present applicant has already filed a patent application for a foliage processing machine provided with a foliage conveying device and a heel presser mechanism (Japanese Patent Application No. 2004-235248).

  This foliage treatment machine makes a pair of endless belts face each other and insist on the close side, and the foliage of the crop is rear-upward on the contact surface of the endless belt by the foliage conveyor installed with its rear part inclined at a higher level than the front The foliage is pulled out by being conveyed to the other side, while the heel presser plates bent in a shape along the ridge surface are arranged on the left and right sides, and a foliage passage gap is formed between them so that the foliage passes through this gap while holding the ridge surface The potato is held inside the bag by pressing the surface of the bag with the hook holding mechanism.

  The extracted foliage is conveyed rearward and upward by a foliage conveying device, and is put into a cutter provided at the rear part of the foliage processing machine. The cutting device is formed by staggering a plurality of cutting disks on the front and rear drive shafts arranged side by side on the left and right, and the foliage is dried by inserting and cutting the foliage from the rear upper end of the foliage transport device here Discharge to the field in a state that is easy to do.

  However, since the foliage pulled out by the foliage conveyance device is conveyed in a standing state, the foliage discharged and introduced from the rear upper end of the foliage conveyance device may slip through the cutter. If the foliage is discharged into the field without being cut sufficiently finely, the foliage will rot because it is difficult to dry, which may cause disease.

  The problem to be solved is that even if the foliage transported in a standing state is inserted into the cutter, the foliage may slip through the cutting disc, and the foliage is surely cut finely and easily dried. It aims at discharging to the field in the state.

  In order to solve the above-mentioned problem, as described in claim 1, the crop foliage is sandwiched between a pair of left and right endless clamping belts, pulled out, conveyed toward the rear upper side of the machine, and dropped onto a cutter at the rear of the machine. In the foliage processing machine that chops into small pieces, the cutting device is configured by attaching a number of cutting disks to a pair of left and right rotating shafts along the longitudinal direction of the machine body at intervals, and the cutting edges of these cutting disks The rear part of the sandwiching belt is exposed above the cutting part where the parts overlap, and a pair of left and right foliage feeders having revolving claws are provided above the rear part of the sandwiching belt, and the revolving speed of these feeding claws is set. It was made to drop to the said cut | disconnecting part with the attitude | position which made the stalks and leaves of the clamping belt fall backwards faster than the conveyance speed of the clamping belt.

  3. The cutting device according to claim 2, wherein the cutting device is arranged so that the drive shafts to which a large number of cutting disks are attached are close to each other so that the cutting disks are alternately stacked, and the cutting belt is formed into a foliage treatment machine. The left and right two units are arranged in front of each other, the rear part is inclined higher than the front part, and the distance between the two right and left parts is set closer to the rear part than the front part, and the cutting part is placed between the two right and left clamping belts. Arranged.

  As described in claim 1, a foliage feeder is provided above the rear portion of the sandwich belt, and the feed claw is circulated at a speed faster than the transport speed of the sandwich belt above the sandwich surface, thereby being put into the cutter. By tilting the foliage backwards, it is possible to prevent the foliage from being thrown into the cutter in an upright posture without requiring a chute device or the like to throw the foliage into the cutter and without increasing the size of the aircraft. Stems and leaves can be reliably cut and discharged.

  As described in claim 2, the cutting disks are attached to the drive shaft and arranged side by side on the left and right sides, the cutting disks are arranged in a staggered manner by approaching the drive shaft, and the cutting edge portions of the cutting disks are overlapped. Together, a cutting part is formed, and this cutting part is arranged in the middle of the sandwiching belt provided on the two left and right sides, so that the two ridges are simultaneously treated with foliage and the foliage is reliably cut with one cutting device. be able to.

  Hereinafter, the foliage processing machine according to the present invention will be described in detail with reference to FIGS. 1 to 3. FIG. 1 is a plan view of a foliage treating machine according to the present invention, and FIG. 2 is a side view of the foliage treating machine.

  A foliage processing machine 1 according to the present invention is provided with a triangular crawler type traveling mechanism 3 on both the left and right sides of an airframe 2, a seat 10 and a control unit 11 are provided on the right side in plan view, and an engine case 12 that houses an engine on the left side. And a transmission case 13 for transmitting power from the engine is provided. The traveling mechanism 3 straddles two ridges, and the gauge wheel 16 rolls in the ridges sandwiched between these ridges. The gauge wheel 16 is attached to the center of the airframe 2 via the hydraulic mechanism 15 and the arm 17.

  Two left and right clamping belts 9 are provided in front of the machine body 2 with the front part being lowered and the rear part being inclined high, and the distance between the front part is equal to the width of the crop and the rear part is narrower than the gap between the lines. Then, the foliage conveying device 4 is formed. The foliage transport device 4 is swingably attached via a horizontal drive shaft 20. Power from the engine is transmitted from the horizontal drive shaft 20 to the respective clamping belts 9 from the power transmission shaft 22 via the bevel gear in the gear box 21. The horizontal drive shaft 20 is covered with a pipe case 23. The pipe case 23 is divided into left and right by a central sleeve 24 fixed to the machine body 2, and the left and right clamping belts 9 independently swing up and down.

  The arm 17 that supports the gauge wheel 16 is provided with a cross bar 18 facing left and right, and the left and right ends of the cross bar 18 face the lower side of the left and right clamping belts 9 respectively. When the part is lowered too much, the cross bar 18 hits a stopper 19 provided on the lower side of the front part of the clamping belt 9, thereby defining the bottom dead center of the foliage transport device 4. Further, when traveling without performing work, the gauge wheel 16 can be rotated upward to lock the cross bar 18 to the stopper 19 to lift the foliage transport device 4.

  At the front part of the foliage transport device 4, a foliage scraping mechanism 6 is provided on the upper surface side, and a heel presser mechanism 7 is provided below. The foliage scraping mechanism 6 has a plurality of scraping claws 27, and transmits power from a pulley (not shown) arranged at the front end of the sandwiching belt 9 to rotate the scraping claws 27. The eaves presser mechanism 7 rotatably attaches the front end portion of the plate-like eaves pressing body 30 to the lower side of the front end portion of the holding belt 9, and connects the rear end portion to the body 2 via the connecting rod 31 and the rod holder 32. Formed.

  Further, a foliage feeder 8 is provided at the rear portion of the clamping belt 9, and a cutter 5 is provided below the rear upper end of the foliage transport device 4 at the rear portion of the machine body 2. The cutter 5 is configured by providing two left and right rotating shafts 25, 25 along the front-rear direction, and attaching a large number of cutting disks 26 to the respective rotating shafts 25, 25 at intervals. The rotary shafts 25 and 25 are arranged close to each other so that the cutting edge portions of the cutting disks 26 are alternately overlapped and arranged. A cutting portion 29 formed by overlapping the blade edge portions is arranged at the rear center of the foliage conveying device 4 to finely cut the foliage thrown from the rear ends of the left and right clamping belts 9.

  Next, the foliage feeder 8 provided at the rear end of the foliage transport device 4 will be described with reference to FIG. FIG. 3 is a side view showing a rear end portion of the foliage processing machine.

  The foliage feeder 8 attached to the upper rear part of the sandwiching belt 9 is transmitted with power from a pulley (not shown) disposed at the rear end of the sandwiching belt 9 so that the feed claw 28 circulates. At this time, the rotation speed of the feeding claw 28 is made faster than the foliage conveyance speed by the foliage conveyance device 4. For example, the feed claw 28 is circulated at a speed about 1.1 to 1.4 times the foliage conveyance speed.

  The foliage that has been pulled out while being pinched by the foliage transport device 4 and transported rearward and upward is discharged from the rear upper end of the foliage transport device 4. At this time, the foliage feeder 8 is fed at a speed faster than the conveying speed of the foliage transporting device 4 and pulled backward, so that the foliage lies in the front-rear direction when discharged from the foliage conveying device 4. The cutting disk 26 can surely cut finely.

It is a top view of the foliage processing machine concerning the present invention. It is a side view of the foliage processing machine concerning the present invention. It is a side view which shows the rear-end part of a foliage processing machine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Stem and leaf processing machine 2 Airframe 3 Traveling mechanism 4 Stem and leaf conveyance apparatus 5 Cutting device 6 Stem and leaf scraping mechanism 7 Grain holding mechanism 8 Stem and leaf feeder 9 Holding belt 10 Seat 11 Control part 12 Engine case 13 Mission case 15 Hydraulic mechanism 16 Gauge wheel 17 Arm 18 Crossbar 19 Stopper 20 Horizontal drive shaft 21 Gear box 22 Power transmission shaft 23 Pipe case 24 Sleeve 25 Rotating shaft 26 Cutting disc 27 Scratching claw 28 Feeding claw 29 Cutting part 30 Scissor pressing body 31 Connecting rod 32 Rod holder 33 Locking projection

Claims (2)

In the foliage processing machine that sandwiches the foliage of the crop with a pair of left and right endless clamping belts, pulls it out and transports it toward the upper rear of the machine, drops it to the cutting machine at the rear of the machine, and shreds it into small pieces,
The cutter is constructed by attaching a large number of cutting disks to each of a pair of left and right rotating shafts along the longitudinal direction of the machine body,
A pair of left and right foliage feeders having feeding claws that circulate are arranged above the rear part of the sandwiching belt so that the rear part of the sandwiching belt faces the upper part of the cutting part where the cutting edge parts of these cutting disks overlap. A foliage conveying apparatus characterized in that the rotation speed of the feeding claw is made faster than the conveying speed of the pinching belt, and the foliage of the pinching belt is dropped to the cutting portion in a posture where it is pulled backward. The cutter is arranged so that the rotating shafts to which a large number of cutting disks are attached are close to each other and the cutting disks are alternately stacked to form a cutting part,
The sandwiching belts are arranged side by side, the rear part is inclined higher than the front part, and the distance between the two right and left parts is set closer to the front part of the aircraft with the rear part narrower than the front part. The foliage conveying apparatus according to claim 1, wherein the cutting part is arranged.

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