JP2005046149A - Scaly bulbous crop conditioning machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a scaly bulbous crop conditioning machine provided with a stem extending device together with a conveyer, solving problems wherein the posture of a bulbous part is unstable when cutting a stem and fibrous roots to cause difference in the finishing states of the stem and the fibrous roots and to cause damage on the bulbous part often by the tilting of the bulbous part by some causes such as the speed balance between the conveyer and the stem-extending device in a conventional bulbous crop conditioning machine which has the conveyer attached thereto. <P>SOLUTION: This scaly bulbous crop conditioning machine T is provided with a scaly bulbous crop conditioning device T3 cutting and separating stem/leaves parts and fibrous roots of the scaly bulbous crop by feeding the crop which is dug and harvested, to an aligning conveyer, wherein the upward of the rear part of the aligning conveyer is arranged to have a nipping conveyer 9 installed so as to duplicate at the front part. Thus, the conditioning state is improved by stabilizing posture and preventing the damage to the bulbous part in cutting stem and fibrous roots to improve the finished state. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention picks up a bulb crop collected from a field by a bulb crop harvester etc. and puts it on a cocoon and cuts and prepares the foliage part and the root of the bulb, or prepares the same treatment as a stationary specification. The present invention relates to a bulb crop preparation machine.

  Conventionally, a bulb crop is collected from a field using a bulb crop harvester and left to dry in the field, and then the bulb crop preparation machine is picked up while running the bulb crop preparation machine along the straw and directly to the preparation machine. In a large-scale preparation machine that combines a series of devices as a harvesting work system or a stationary device, which is supplied through a supply and transport device and cuts off the foliage and roots of bulbous crops, the foliage and roots of bulbous crops These preparation techniques are already known in various forms. (For example, see Patent Document 1)

JP-A-7-67603

However, in the conventional technology, the excavated bulb crops are picked up and supplied one by one in an inverted posture with the stem down from the tip of the transport device, or the supply device is attached and supplied in a batch It is known that this transport device is equipped with a stem tensioning device, but the ball part is tilted due to several factors such as the speed balance and arrangement configuration of the transport device and stem tensioning device. In other words, there is a problem in that the posture of the ball part is unstable when cutting the stem and the root, the finishing state of the stem and the root is uneven, and the ball part is often damaged.
Therefore, the present invention makes it possible to supply harvested bulb crops in a random manner, and even if the orientation of the stem is disturbed in an unspecified direction, it is finished while forcibly changing to an inverted posture with the stem down on the way of transportation. It is to be transported and supplied to the preparation unit, so that the posture when cutting the stem and roots is stabilized vertically, the damage to the ball part is prevented, and the problem on supply and transport in the conventional technology is solved, The present invention provides a bulb crop preparation machine that improves the finishing state.

  The present invention is provided with a bulb crop preparation device for supplying the excavated bulbous crop to the alignment conveying device and cutting and separating the stem and leaf part of the bulbous crop and the root of the bulb in order to solve the above-mentioned problems of the prior art. In the bulb crop preparation machine, the front part of the holding and conveying device is arranged so as to overlap the rear upper part of the aligning and conveying device to maintain and stabilize the posture and prevent damage to the ball part when cutting the stem and root, and the finished state Improved.

The present invention has the following effects by the configuration and the specific examples as described above.
In a bulb crop preparation machine equipped with a bulb crop preparation device that supplies the excavated bulb crop to the conveyance device and cuts and separates the stem and leaf portion of the bulb crop and the root so that it overlaps the rear upper part of the alignment conveyance device Since the front part of the holding and conveying device is disposed, the posture when cutting the stem and the root of the root can be stabilized vertically below the stem, and damage to the ball part can be prevented to improve the finished state.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of a stem tensioning device and an alignment transport unit that are the main parts of the present invention, FIG. 2 is a plan view of the stem tensioning device and the alignment transport unit that are the main parts of the present invention, and FIG. It is a side view of the stem inversion guide which is the principal part of invention, and the connection part of a supply and conveyance apparatus. 4 is an overall side view of the bulb crop preparation machine according to the present invention, FIG. 5 is an overall plan view showing the main part of the bulb crop preparation machine, and FIG. 6 is a bulb crop preparation apparatus according to the present invention. It is a transmission mechanism side view.

The whole structure of the bulb crop preparation machine (T) which is an Example of this invention is demonstrated based on illustration of FIG. 4 or FIG.
A bulb crop preparation machine (T) according to the present invention has a traveling device (T1), and a spiral supply device (5) or an alignment conveying device (T2) mounted on the traveling device (T1). H) and a bulb crop preparation device (T3) are integrally mounted, and an engine (E), a traveling transmission device (T4), a steering handle (T5), and the like are disposed at the rear of the machine base (T2). Yes.
A discharge starter (16) which can be switched between right and left is disposed between the bulb crop preparation device (T3) and the steering handle (T5), and a discharge port (16a) which can be folded and stored is provided at the left and right lower ends. It is.

Next, the configuration of the bulb crop preparation device (T3) will be described with reference to FIG. 4 or FIG. The bulb crop preparation device (T3) of the present invention is composed of a spiral supply device (5) disposed in the front portion, a rough processing portion (1), and a finishing preparation portion (2) disposed in the rear portion. .
The rough processing section (1) and the finish preparation section (2) are respectively covered with the covers (13) and (14), and the height of the upper surface of the cover (13) of the rough processing section (1) is determined by the finish preparation section (2 The lower surface of the cover (14) is arranged lower than the upper surface of the cover (14), and the upper surface of the cover (13) covering the rough processing section (1) has a passage groove parallel to the traveling direction at the center in the body width direction. Is formed.

Further, as shown in FIG. 4 or FIG. 5, the front part of the pair of left and right alignment rollers (40, 40) protrudes from the cover (13) at the front end of the rough processing part (1). The spiral supply device (5) is continuously extended over the full width of the foremost part of the machine body.
After excavation, bulb crops placed on the field can be picked up arbitrarily from anywhere and can be supplied randomly.

Furthermore, as shown in FIG. 1, FIG. 2, FIG. 5, and FIG. 6, a pair of left and right stem tensioning devices (6, 6) are arranged below the rear portions of the alignment rollers (40, 40) with left and right brush portions. Each stalk tensioning device (6) is divided into two parts, and has a dual structure in which the front part is a stalk pulling belt device (60) and the rear part is a stalk feed bell and device (61). The arrangement is such that the stalking belt body (60a) is wound around the large diameter side of the stalking passive pulley (6c) and the connecting pulley (6g) which is a two-unit pulley, and the alignment roller with brush portion is arranged. It is inclined with respect to the roller (40) and the mutual interval is gradually expanded backward, and the rotation speed is adjusted faster with respect to the alignment roller (40) with the brush part.
On the other hand, in the stem feed belt device (61), the stem feed belt body (61a) is wound between the small diameter side of the connecting pulley (6g) and the stem feed driving pulley (6b) and aligned with the brush portion. It is adjusted and mounted at the same speed parallel to the roller (40).

In the embodiment, in the embodiment, the pulley shafts (6e, 6e) for pivotally attaching a pair of left and right stalking passive pulleys (6c, 6c) are extended downward, and each of the pulleys is extended. A rough cutting blade (6f) is axially attached to the shaft (6e) so as to rotate coaxially and is configured as a pair of left and right, and rotates inwardly toward the start end side toward the passage side of the foliage. ing.
Furthermore, each said pulley axis | shaft (6e) is extended below and drives a stem pushing blade (45) via a speed-change chain apparatus (44).

Here, the gist of the present invention will be described with reference to FIGS.
A bulb crop preparation machine (T) provided with a bulb crop preparation device (T3) that supplies the excavated bulb crop to the conveyance device and cuts and separates the stems and leaves of the bulb crop in the conveyance process of the conveyance device. The stalk tensioning device (6) is provided in the lower part of the supply and transporting device, the stalk tensioning device (6) is divided into a double structure, and the stalk pulling belt device (60) is used as the front side. The posture is adjusted by the pulling belt device (60), and the rear side is set as a stalk feed belt device (61). The posture is stabilized in the vertical direction below the stem to prevent the ball from being damaged, thereby eliminating the problems related to the supply and conveyance of the prior art and improving the finished state.

  That is, in the bulb crop preparation machine provided with the bulb crop preparation device that supplies the excavated bulb crop to the conveyance device and cuts and separates the stem and leaf portion and the root of the bulb crop, the above-mentioned 2 provided at the lower portion of the conveyance device The stalk pulling belt device of the continuous structure of the stalk tension device is inclined with respect to the transport device, and the distance between the stalks is gradually increased backward, and the stalk is pulled downward as the transport progresses, and the ball part is closely supported by the transport device. On the other hand, the continuous stem feed belt device is mounted almost in parallel with the transport device, and finish preparation while maintaining and fixing the transport posture inherited from the stem pull belt device. It is configured so as to facilitate the cutting and separation of stems and roots by aligning and transporting the parts.

  On the other hand, as shown in FIGS. 4 and 5, the supply / conveyance device is integrally provided with a spiral supply device (5) equipped with a hopper (5a) incorporating a spiral conveyance device (5b) at the foremost part of the machine body. Then, the bulb crops are supplied in an arbitrary posture regardless of the orientation and orientation of the stem, and are forcedly transferred one by one to the alignment conveyance device (H) by the spiral conveyance device (5b). H) is composed of a pair of left and right alignment rollers (40, 40) with brush portions, and these alignment rollers (40, 40) with brush portions are substantially parallel to the traveling direction of the fuselage and are inward of each other. The roller body (41) rotates and the entire outer peripheral surface of the roller body (41) is planted in a brush shape, and the helical body (50) made of an elastic body such as rubber or synthetic resin is removed from the brush section at a constant pitch. And a superposition of the polymerization device at the lower rear part of the spiral feeder (5). To, are constituted as can be transported while aligned in a predetermined standing posture from any supply posture.

Further, the configuration will be specifically described with reference to FIGS.
Stem pulling belt body (60a, 60a) and stem of left and right stem tensioning device (6, 6) arranged in layers below the rear of the pair of left and right alignment rollers (40, 40) described above. A sponge belt is used for the feeding belt body (61a, 61a), and the large diameter of the connecting pulley (6g) in which the stem pulling belt body (60a) is a stem pulling passive pulley (6c) and a two-unit pulley. Wrapped to the side, inclined with respect to the alignment roller (40) with the brush part, and gradually increases the distance to the rear, so that the rotation speed is faster with respect to the alignment roller (40) with the brush part. Adjusted and fitted.

On the other hand, in the stem feed belt device (61), the stem feed belt body (61a) is wound between the small diameter side of the connecting pulley (6g) and the stem feed driving pulley (6b) and aligned with the brush portion. It is adjusted and mounted at the same speed parallel to the roller (40).
With such a configuration, the stalk and leaf portion is sandwiched by the stalk pulling belt body (60a, 60a), and the stalk is pulled down as the conveyance proceeds, and the ball portion is aligned with the brush portion (40, 40). It is corrected so that the orientation of the inverted posture becomes more correct by stabilizing the conveyance performance by closely contacting the head.

  On the other hand, the stalk feed belt device (61, 61) is mounted substantially parallel to the alignment roller (40, 40) with the brush part and inherited from the stalk pulling belt device (60, 60). While maintaining and fixing the conveying posture, it was arranged and conveyed to the finishing preparation section to facilitate the cutting and separation of stems and roots.

  The structure of the stem tensioning device is set to be slightly faster with respect to the speed of the conveying device, the stem feeding belt device being set at substantially the same speed, and the posture of the bulb crop can be adjusted with the conveying device alone. Therefore, while holding the stem with the stalk pulling belt device, the posture of the ball part is corrected and inverted substantially vertically so as to adjust the conveying posture, so that the inherited ball unit follows the continuous stalk feeding belt device. The stalk feed belt device maintains the vertical posture of the bulb crops in a synchronized manner at the same speed as the conveying device horizontally without lowering the stalk, and when the nipping and conveying device pinches the ball part, the stem is pulled downward. In such a way as to avoid detachment and damage of the clamping belt.

On the other hand, the spiral supply device (5) according to the present invention has a hopper (5a) that is substantially full of the body width integrally connected to the foremost part of the body and is rotatable with a hinge interposed therebetween. 5a) includes a helical conveyance device (5b) that is rotatably incorporated therein. The helical supply device (5) includes a support fitting (5e) fixed to the outer wall of the hopper (5a) and a machine base ( T2) is connected by an expansion / contraction stage (5d), and is pivotally mounted with the hinge as an attachment fulcrum by adjusting the expansion / contraction of the expansion / contraction stage (5d). On the other hand, there is one spiral conveying device (5b). The spiral teeth are fixed around the rotation axis (5c) of the slab, and the bulb crops randomly supplied by the rotation of the rotation axis (5c) are transferred toward the outlet. The rotation axis (5c) is driven by a belt. It is driven by power through the device (7) and the chain transmission (8).
The belt transmission (7) is directly connected to the alignment roller (40) with a left brush portion, and is attached to the roller shaft of the alignment roller (40) with the left brush portion. (7b), an output pulley (7c), and a belt (7a) wound around both pulleys. Further, the output pulley (7c) is attached to the other end of the intermediate shaft that is attached to one end. The input sprocket (8b) is attached to the shaft and connects the chain transmission (8). The chain transmission (8) is composed of the input sprocket (8b), the output sprocket (8c), and a chain (8a) wound around both sprockets, and transmits power to the spiral supply device (5). Yes.

  The speed configuration of the pair of left and right stem tensioning devices (6, 6) is such that the front side and the rear side of each stem tensioning device (6) are arranged with respect to the speed of the alignment roller (40) with brush part. Through the connecting pulley (6g), the front stalking belt device (60) is set a little faster and the rear stalk feeding belt device (61) is set at substantially the same speed, so that the alignment roller with brush portion is set. (40) alone, the attitude of the bulb crops will be adjusted. By adjusting the position of the ball part while pulling the stem with the stalk pulling belt device (60), the posture of the ball is inverted and the conveying posture is adjusted. Then, the inherited ball portion is sandwiched between the succeeding holding and conveying device (9) in the stalk feeding belt device (61), and the stalk feeding belt device (61) is provided with the brush portion horizontally without lowering the stalk. A holding and conveying device that maintains the vertical posture of the bulb crop in synchronism with the alignment roller (40). 9) was set to avoid belt detachment and the damage of the stems Once across the ball portion in the manner not pulled downward clamping feeder (9).

Furthermore, as shown in FIG. 2 or FIG. 3 or FIG. 4, a spiral supply device (5) is connected in front of a pair of left and right alignment rollers (40, 40) with a brush part, and the spiral supply device ( 5) and a stem reversing guide (43), which is used for both upward and lateral stems to correct the posture of bulbous crops, is arranged at the connecting part of the alignment roller (40, 40) with brush part so that the stem is not Even if the specific direction is facing apart, it is reversed to a predetermined direction, and the side-by-side alignment roller (40, 40) with the brush portion makes it easy to pull the stem of the bulb crop downward, facilitating posture correction.
In other words, the stem reversing guide (43) is supplied in a random manner and inverts stems of a plurality of bulb crops directed in an unspecified direction one by one in a predetermined direction, so that the pair of left and right paired brushed alignment rollers (40, 40), and as described above, it is easy to change the posture to the inverted posture and to ensure the aligned conveyance.

  The supply device is a spiral supply device (5) comprising a hopper (5a) having a built-in spiral transfer device (5b), and the end surface of the helical tooth (5e) of the spiral transfer device (5b) is made of rubber or synthetic material. It covered with buffer materials, such as resin, so that it would not be damaged even if a bulb crop was put into the hopper (5a). As shown in FIG. 2 or FIG. 3, some bulb crops pushed out by the spiral conveying device (5b) from the outlet of the hopper (5a) are inherited in a predetermined inverted posture, and the stem is upward or sideways. There are some which are inherited in the case of a certain inverted position, and there is no need for reversing, and it is conveyed as it is, but what is inherited in the upward or lateral direction is an alignment roller with left and right brush parts (40, 40 ) If the stem is in contact with the stem reversing guide (43) while being conveyed, the flow is hindered and the stem reverses and falls backward as the ball progresses. -Ra (40, 40) is pulled in and forced downward to ensure a predetermined inverted posture.

  Furthermore, as shown in phantom lines in FIGS. 2 and 3, the hopper (5a) containing the spiral conveying device (5b) and the connecting portion of the brushed alignment roller (40, 40) are mounted on the connecting portion. The stem reversing guide (43) is mounted so as to be able to move up and down and turn left and right through a torque (torsion) spring (5f), respectively, and adapts to the size of the bulb of the bulb crop. By reducing the resistance of the bulb, it was configured to be aligned and conveyed to the finishing adjustment section (2) while changing the posture to an inverted posture in a smooth flow without damaging the bulb crops.

  In addition, relative to the stem reversing guide (43) mounted on the connecting portion of the hopper (5a) incorporating the spiral conveying device (5b) and the alignment roller (40, 40) with brush portion in the vicinity of the rear. Equipped with a pair of left and right stem pressing blades (45, 45) made of an elastic body such as rubber or synthetic resin at the target position, making the stem pressing blades (45, 45) rotatable inward in the left and right directions, By mounting the peripheral speed several times faster than the conveyance speed, the side or upward stem part of the bulb crop that has not been sufficiently reversed by the stem reversing guide (43) or the epidermis part of the ball is pushed. By reversing the stalk in the direction of travel, the direction of the stalk is laid down approximately parallel to the conveying direction, and the alignment rollers (40, 40) with the left and right brush parts are easy to retract, forcing the stalk downward. The predetermined inverted posture can be ensured.

On the other hand, as shown in FIG. 4 or 5, the finish preparation part (2) is located above the alignment roller (40, 40) with the brush part inside the cover (14), A pinch transport device (9) for pinching and transporting a bulb portion of a spherical bulbous crop is disposed, and a root cutting device (3) is further disposed above the pinch transport device (9). Below the device (9), a foliage finishing device (4) is arranged.
Further, as shown in FIG. 4 or FIG. 5, the holding and conveying device (9) forms a holding and conveying passage by a pair of left and right holding belts (9a and 9a), and the front portion of the holding and conveying device (9). Is arranged so as to wrap above the rear part of the alignment roller (40, 40) with brush part, and a discharge part (15) is provided at the rear end of the holding and conveying device (9).

  In the bulb crop preparation machine (T) having the arrangement as described above, the bulb crop preparation machine (T) runs on the shoulders of the straw, and the operator picks up the bulb crops placed on the straw, and has already been in the field. Alternatively, the bulb crop group collected at the collection point is supplied to the spiral supply device (5) without moving or setting the bulb crops in a random manner without aligning the stems and leaves or regulating the direction. And the stem reversing guide (43) disposed at the connecting portion of the alignment roller (40, 40) with the brush portion, even if the stem is oriented in an unspecified direction, the stem is inverted in a predetermined direction and provided. Roller with a brush part (40, 40) pulls the stem of the bulb crop downward, adjusts the posture with the front stalk pulling belt device (60) divided by the stalk tension device (6), and feeds the stalk on the rear side The belt device (61) is fixed in a predetermined inverted posture, aligned and transported to cut stems and roots. The attitude of the time so as to prevent damage to the ball portion by the stem downward vertically stable, but with improved to eliminate the defects in the supply transport of the prior art finishing state.

Then, the bulb crops supplied in a lump are transferred to the outlet side in the spiral supply device (5) by the spiral conveyance device (5b), and are individually arranged and connected one by one from the outlet. The stem reversing guide (43), which is passed down to the starting end of the alignment roller (40, 40) with a brush part and is forcibly pulled out and continuously provided, has a stem orientation. In the case of upward or sideways, the stems are inverted and turned downward to be aligned and conveyed. At this time, the stalks and leaves are sandwiched by the stalk pulling belt body (60a, 60a), and the stalk is pulled down as the conveyance proceeds, and the ball part is brought into close contact with the alignment roller (40, 40) with the brush part. The conveyance performance is stabilized and corrected so that the orientation of the inverted posture becomes more correct.
On the other hand, the stalk feed belt device (61, 61) is mounted substantially parallel to the alignment roller (40, 40) with the brush part and inherited from the stalk pulling belt device (60, 60). The conveyance posture of the bulb crops was maintained, and it was arranged and conveyed to the finishing preparation section (2) in a vertical inverted posture with the stem down, so that the cutting and separation of the stem and root were made smooth.

  In other words, since only the alignment roller with brush part (40) is inclined, the posture of the bulb crop is moderately adjusted. By adjusting the posture of the ball part while pulling down the stem with the stem pulling belt device (60), it becomes substantially vertical. Inverting and adjusting the conveying posture, the inherited ball part is sandwiched by the succeeding pinching and feeding device (9) in the continuous stem feeding belt device (61), and the stem is lowered by the stem feeding belt device (61). Without maintaining the vertical position of the bulb crops in synchronism with the brush-aligned roller (40) horizontally and maintaining the vertical posture of the bulb crops, the squeezing and conveying device (9) does not pull the stem downward when the ball part is pinched. Thus, belt detachment and damage of the holding and conveying device (9) were avoided.

  Further, the end face of the helical tooth (5e) of the helical conveying device (5b) is covered with a cushioning material such as rubber or synthetic resin so that it will not be damaged even if a bulb crop is put into the hopper (5a) from the outlet. If the stems of the extruded bulb crops are passed upward or sideways to the left and right brushed alignment rollers (40, 40), the left and right brushed alignment rollers (40 40) When the stem is in contact with the stem reversing guide (43) while being transported, the flow of the stem is temporarily blocked, and the stem is inverted and inverted backwards as the ball is transported. The reversing guide (43) is mounted so as to be able to move up and down and to the left and right through a torque (torsion) spring (5f), respectively, so that it adapts to the size of the bulb of the bulb crop. By relieving the resistance of the bulbs, they can be killed in a smooth flow without damaging the bulb crops. And configured to align conveyed to trimming unit while changing orientation (2) in position.

On the other hand, as described above, each of the alignment rollers (40) with brush portions is formed by brushing the entire outer peripheral surface of the cylindrical roller body (41) in a brush shape and further made of an elastic body such as rubber or synthetic resin. The spiral body (50) is fixedly attached at a fixed pitch from the tip portion except for the terminal portion, and a pair of left and right forms an alignment transport device (H), and the central part of the machine body is disposed in the front-rear direction substantially parallel to the traveling direction. Has been.
Therefore, the bulb crops supplied one by one from the spiral supply device (5) are inwardly facing the pair of brush-equipped alignment rollers (40, 40) as described above, even if they are in the lying down sideways posture. By rotating, the stalk is pulled downward to forcibly set to the inverted posture, and the brush pulled on the entire outer periphery acts as a downward pulling action during the entire transfer process, and is conveyed in an orderly inverted posture. At that time, the distance required for the alignment conveyance is made as short as possible, and then the individual preparation work can be performed while supplying the products in a random manner, so that the structure of the bulb crop preparation machine (T) is made compact.
As shown in FIG. 4, FIG. 5 or FIG. 6, the left and right pair of left and right conveying shafts (20, 20) each have a built-in pair of bevel gears for driving the alignment rollers (40, 40) with brush portions. The bevel boxes (42, 42) are attached, and the alignment rollers (40, 40) with brush portions are rotated inward from each other through the pair of left and right bevel boxes (42, 42).

In this way, the bulb crops that have been aligned and transported in an inverted posture with the stem side facing downward by the pair of left and right brushed alignment rollers (40, 40) are a pair of left and right brushed alignment rollers. It is further conveyed to the rear of the machine body by a left and right spiral body (50, 50) made of an elastic body such as rubber or synthetic resin that is wound around and secured to (40, 40).
When the stems and leaves reach the latter half of the pair of left and right alignment rollers (40, 40), the stems and leaves are sandwiched between the stem pulling belts (60, 60) arranged underneath them, and the left and right passive props. -Long foliage is roughly cut by the left and right rough cutting blades (6f, 6f) that rotate coaxially with the ribs (6c, 6c), and is further conveyed rearward in an inverted posture after adjusting its shape.

And while a bulb crop is conveyed through the rough treatment section (1), it is guided by the inclined surfaces on both the left and right sides of the passage groove (not shown) and is conveyed while maintaining an appropriate inverted posture, and is sent to the finishing preparation section (2). Then, the bulb portion of the bulb crop is nipped and conveyed by the nipping and conveying device (9).
In this conveyance process, the root portion is cut by the root cutting device (3), and the foliage portion is cut by the foliage finishing cutting device (4). The bulb portion from which the root portion and the foliage portion have been cut is unpinched at the end portion of the holding and conveying device (9), rolls out the discharge portion (15), and passes through the discharge starter (16). It is discharged outside the machine.
As shown in FIG. 4, the discharge portion (15) has a guide rod (15a, 15a,...) In the front-rear direction between the lower part of the rear portion of the clamping belt (9a, 9a) and the discharge starter (16). Inclined rearward and downward.

  As shown in FIG. 4 or FIG. 6, the above-mentioned foliage finishing cutting device (4) has rotating blades (4b, 4b) mounted on the upper left and right drive shafts (4a, 4a), respectively. 4b and 4b) are arranged so that the outer peripheral edge partly overlaps on the conveyance center line. The pair of left and right drive shafts (4a, 4a) are connected to a shaft erected from a transmission case (17) via a universal joint (18, 18) and extend upward. Further, as shown in FIG. 6, the rotary blades (4b and 4b) are provided below the clamping and conveying device (9) in a side view, and the clamping belt in the clamping and conveying device (9) is provided. While holding and transporting the bulb-shaped bulb portion in (9a, 9a), the foliage portion of the bulb crop is cut with both rotary blades (4b, 4b).

As shown in FIG. 4, the root cutting device (3) has a root raising device (3b) supported by a support frame (3a) disposed above the front end of the finishing preparation section (2). ) And the root cutting device (3c), and this root cutting device (3c) is pivotally supported at the rear end of the parallel link (3d) connected to the support frame (3a) so as to be movable up and down. .
In addition, the root raising device (3b) is supported by a bearing support provided in the root cutting device (3c), and the root portion of the bulb crop that is sandwiched and conveyed by the holding and conveying device (9). Is raised with the root raising device (3b), and the root portion with the standing posture is cut off with the root cutting device (3c).

  4 and 6, the root cutting device (3c) is provided with a head (3f) attached to the rear end of the parallel link (3d) and the head (3f). A disk blade (3h, 3h) fixed to a drive shaft protruding from the disk blade drive case (3g), and a gage fitting (3k) disposed on the upper front side of the disk blade (3h, 3h)・ 3k).

  Referring to FIG. 4, a coil spring (3n) is interposed between the parallel link (3d) and the support frame (3a), and the parallel link (3d) with the support frame (3a) as a support point. ), When the gauge fitting (3k, 3k) comes into contact with the bulb crop, the head (3f) is lightly and smoothly retracted upward by the contact load. Yes. The disk blades (3h, 3h) are arranged with their positions shifted toward the upper side or the lower side in the conveying direction with respect to the rotary blades (4b, 4b) of the foliage finishing cutting device (4). The maximum load is lowered by avoiding overlapping cutting loads.

Next, the transmission mechanism will be described based on FIG. 5 or FIG.
In the embodiment, an engine (E) is mounted as a power source for driving the bulb crop preparation machine (T), and the power is distributed from the output shaft (E1) of the engine (E) through the transmission belt (E2) to the distribution shaft (21). And is distributed by the distribution shaft (21) to the driving system of each belt conveying device and the stem and leaf finishing cutting device (4) and the driving system of the root cutting device (3), and the root cutting device (3). Is input to the transmission bevel case (22), is transmitted to the counter shaft (23) through the built-in bevel gear, and is sent to the root through the counter shaft (23) and the vertical transmission belt (30). The cutting device (3) is driven.
On the other hand, power is transmitted from the output shaft (E1) of the engine (E) to the travel transmission device (T4) by belt transmission, and the travel device (T1) is driven via the travel transmission device (T4).
Specifically, power is transmitted from the counter shaft (23) to the root cutting drive shaft (31) via the longitudinal transmission belt (30), and the universal joint (32 ) And the relay shaft (33) and is transmitted to the input shaft (34) of the disk blade drive case (3g), and this input shaft (34) passes through the bevel gear (35, 36) to the disk blade (3h. 3h) is driven to rotate, and at the same time, the brushes (3b, 3b) are driven through the bevel gears (37, 38).
A roller (12) for driving the leaflet belt (11) is attached to the counter shaft (23), and the roller (12) is mounted on the counter shaft (23) in plan view. A leaflet belt (11) is provided in a direction orthogonal to the leaflet belt (11). The leaflet belt (11) is an endless conveyor belt, and discharges the cut leaflet outside the machine.

On the other hand, the power transmitted from the distribution shaft (21) to the transmission device built in the drive case (17) by belt transmission is transmitted to the lateral input shaft (26) constituting the transmission device and two sets of right and left. Are transmitted to a pair of left and right drive shafts (4a, 4a) connected and interlocked by universal joints (18, 18) through bevel gears (27, 28).
The pair of left and right drive shafts (4a, 4a) are extended upward, and a rotary blade (4b, 4b) is attached to the upper end of the drive shaft (4b, 4b) so as to be rotationally driven. The system is configured.

  Further, in the rear part of the left and right transport drive cases (19, 19) installed in a machine shape of the finishing preparation section (2) shown in FIG. As shown in the figure, the drive shafts (4a, 4a) are vertically inserted and supported, and the gear mechanisms (29, 29) in the transport drive case (19, 19) are supported by the drive shafts (4a). After that, the power is transmitted to the left and right transport drive shafts (20, 20) that are axially supported on the front part of the transport drive case (19, 19), and the left and right transport drive shafts (20, 20) are transmitted. It is configured to drive the various conveying devices mounted on the left and right conveying drive shafts (20, 20) to the rear so that the opposing surfaces are moved backwards by rotating at the same speed inward and forward.

The left and right drive shafts (4a, 4a) are attached with stem feed drive pulleys (6b, 6b) for driving the respective stem tension devices (6). The stalk-belt belt device (60a) is divided into two parts, and the rear part is a stalk-feed belt device (61). It is wound around the large diameter side of the pulling passive pulley (6c) and the connecting pulley (6g) which is a double pulley, and the rotating speed is increased with respect to the alignment roller (40) with the brush portion. It is adjusted and installed.
On the other hand, each of the left and right stem feed belt devices (61) has a stem feed belt body (61a) wound around the small diameter side of the connecting pulley (6g) and the stem feed drive pulley (6b). The speed is adjusted to the same speed with respect to the brush-equipped alignment roller (40).

Further, the pair of left and right foliage cutting blades (6f, 6f) that rotate coaxially below the pair of left and right stalking passive pulleys (6c, 6c) partially overlap the outer peripheral edge on the conveyance center line. It is provided so as to face and rotate inward and forward.
In the embodiment, in the embodiment, the left and right pulley shafts (6e and 6e) for pivotally attaching a pair of left and right stem-drawing passive pulleys (6c and 6c) are extended downward in the embodiment. A rough cutting blade (6f) is axially attached to the re-shaft (6e) so as to rotate coaxially and is configured as a pair of left and right, so that it rotates inward toward the start end side toward the passage side of the foliage. It has become.
Furthermore, each said pulley axis | shaft (6e) is extended below and drives a stem pushing blade (45) via a speed-change chain apparatus (44).

On the other hand, as shown in FIG. 6, on the left and right transport drive shafts (20, 20), drive pulleys (10a, 10a) of the left and right lateral belt transmission devices (10, 10) are axially attached. The lateral belt transmission (10) is driven.
Each lateral belt transmission (10) is loosely attached to a drive pulley (10a) that is attached to the conveyance drive shaft (20) on both the left and right sides and a drive shaft (4a) that drives the rotary blade (4b). As shown in FIG. 5, a belt is wound around three axes in a triangular shape as seen in a plan view.
Further, as shown in FIG. 6, the rotation axis of the nipping and conveying drive pulley (10c) extends upward, and the nipping and conveying input pulley (9b) is axially attached to the rotation axis and this nipping and conveying input pulley is attached. -Power is transmitted to the holding and conveying device (9) by the rear (9b), and the pair of left and right holding belts (9a, 9a) are driven to rotate inward from each other at the same speed so that the opposing surfaces move backward. It is configured.

In addition, the transmission mechanism of the spiral supply device (5), the alignment roller with brush part (40), and the stem pushing blade (45) will be described.
The spiral conveyance device (5b) incorporated in the spiral supply device (5) fixes the helical teeth (5e) around the single rotation shaft (5c), and the bulb crop is produced by the rotation of the rotation shaft (5c). Although it moves toward the exit of a hopper (5a), this rotary shaft (5c) is driven by power input through a belt transmission (7) and a chain transmission (8).

As shown in FIG. 5 or FIG. 6, the specific transmission configuration is built into the left and right transport drive cases (19, 19) by the drive shafts (4a) via the drive cases (17). Further, power is transmitted to each gear mechanism (29), and the left and right transport drive shafts (20, 20) rotate inward relative to each other through each gear mechanism (29). A left and right bevel box (42, 42) having a pair of bevel gears for driving the alignment rollers (40) with brush portions is attached to the left and right transport drive shafts (20, 20). The left and right alignment rollers (40, 40) are rotated inward with respect to each other via 42, 42).
Further, the belt transmission device (7) is directly connected to the alignment roller (40) with the left brush portion, and the input pulley (7b) of the belt transmission device (7) is connected to the alignment roller with the left brush portion. A belt transmission device (the belt (7a) wound around the roller shaft of the roller (40) and the input pulley (7b), the output pulley (7c), and the belt (7a) wound around both pulleys ( 7). Further, an input sprocket (8b) is attached to the other end of the intermediate shaft (7d) that attaches the output pulley (7c) to one end, and connects the chain transmission device (8). . The chain transmission device (8) is composed of the input sprocket (8b), the output sprocket (8b), and a chain (8a) wound around both sprockets, and transmits power to the spiral supply device (5). Yes.

Further, as shown in FIGS. 1, 2 and 6, a pair of left and right stem tensioning devices (6, 6) are also arranged below the rear portions of the pair of left and right alignment rollers (40, 40). The left and right pulley shafts (6e, 6e) that pivotally mount the pair of stem pulling passive pulleys (6c, 6c) in the embodiment in the pulley on the starting end side of the pair of stem tensioning devices (6, 6). ) Are extended downward, and a pair of left and right rough cutting blades (6f, 6f) are respectively attached to the respective pulley shafts (6e) so as to rotate coaxially so that the outer peripheral edge thereof is on the conveyance center line. Are provided so as to partially overlap each other and rotate inward on the start end side toward the passage side of the foliage.
Further, each of the pulley shafts (6e) extends downward, and a pair of left and right speed increasing chain devices (44, 44) are respectively attached thereto, and the stem pushing blade (45) is connected via the speed increasing chain device (44). ) Is increased by several times the peripheral speed, and the speed increasing chain device (44) is composed of a drive sprocket (47), a passive sprocket (48) and a chain. The passive sprocket (48) is made smaller than the drive sprocket (47) to increase the speed.

It is a side view of the stem tensioning device and the alignment conveyance part which are the principal parts of this invention. It is a top view of the stem tensioning device and the alignment conveyance part which are the principal parts of this invention. It is an enlarged side view of a stem reversing guide and a supply alignment conveyance part which are the principal parts of this invention. 1 is an overall side view of a bulb crop preparation machine according to the present invention. It is the whole top view which showed the principal part of the bulb crop preparation apparatus which concerns on this invention. It is a transmission mechanism side view of the bulb crop preparation apparatus which concerns on this invention.

Explanation of symbols

T tuber crop preparation machine T1 travel device T3 bulb crop preparation device T4 travel transmission device E engine H alignment transport device 1 rough processing unit 2 finishing preparation unit 3 root cutting device 4 foliage finishing device 5 spiral feeding device 6 stem tension device 7 Belt transmission device 8 Chain transmission device 9 Nipping and conveying device 10 Horizontal belt transmission device 21 Distribution shaft 23 Counter shaft 30 Vertical transmission belt 40 Alignment roller with brush part 43 Stem reversing guide 44 Speed increasing chain device 45 Stem blades 60 Stems Pulling belt device 61 Stem feeding belt device

Claims (1)

In a bulb crop preparation machine equipped with a bulb crop preparation device that supplies the excavated bulb crop to the alignment conveyance device and cuts and separates the foliage and roots of the bulb crop so as to overlap the rear upper portion of the alignment conveyance device A bulb crop preparation machine characterized in that the front part of the holding and conveying device is disposed on the bulb.

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