JPH078022A - Dividing machine - Google Patents

Abstract

PURPOSE:To provide an excellent dividing machine capable of correcting the tilted posture of small stocks to a standing posture suitable for box packing without fail even when the discharge speed of small stocks from the dividing unit is changed and improved in the accuracy of operation. CONSTITUTION:A resisting mechanism (A) for acting on the stem top part of small stocks (m) discharged through a discharge part 7 of a dividing unit (B) and taking a tilted posture and changing the tilted posture to a standing posture suitable for packingconveyance of the small stocks (m) at a box packing unit is composed of a resisting guide 11 capable of freely changing the posture from a receiving posture for receiving discharged small stocks (m) to a discharge posture for allowing the small stocks (m) to pass through and a spring 11a for energizing it to take the receiving posture. The energizing force of the spring 11a is adjusted so that the resisting guide 11 may be changed from the receiving posture to the discharge posture by >=a prescribed pressing force in the direction of discharge of small stocks.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stock-splitting machine for splitting a densely-grown mother stock such as strawberries and seedlings into small stocks suitable for transplantation into a field.

[0002]

2. Description of the Related Art As a stock dividing machine for strawberries, in Japanese Patent Application No. 4-218884 filed by the applicant of the present application, a pair of belts are arranged so that their facing intervals are narrowed to form a mother stock. Stock splitting with a transport device that transports while applying a crushing deformation force, and a split device that forces the split claws into the root of the mother plant that is transported by the transport device to forcibly separate into small plants There has been proposed a stock sorting machine having a box section and a boxing section for sequentially packing the separated small plants into a seedling storage box. In the above-mentioned proposed technique, from the viewpoint of ease of the operator's work of introducing the mother stock, the stock divisions are arranged so that the crop seedlings are conveyed in a tilted recumbent posture in which the root part is in a lower position.

[0003]

Therefore, in order to pack small plants into a seedling storage box placed in a substantially horizontal posture, it is necessary to correct the small plants in an inclined posture to an upright posture. The small bar discharge part in the stock splitting part was provided with a locking bar that acts on the tip of the small bark discharged. In other words, by applying resistance to the tip side of the obliquely falling small plant, it was corrected to the standing posture.

However, since the locking bar is a fixing member in this means, it is necessary for the tip of the stem of the small plant to fall below the locking bar when passing through this. In other words, since conveyance direction resistance continues to be imparted until the tip of the stem clears the locking bar, for example, if the conveyance speed decreases due to an increase in load due to the introduction of a large number of mother stocks and the discharge speed of small stocks slows, As a result of the natural fall, the resistance is not sufficiently applied to the locking bar and the correction effect for the standing posture becomes insufficient. Also, when the number of mother stocks input is small and the transport device operates lightly and the small stock discharge speed is fast, excessive resistance is given by violently colliding with the locking bar and tilting backwards beyond the standing posture. There is a risk of becoming a posture, and there is still room for improvement in order to exert a good posture correcting action regardless of fluctuations in the discharge speed. An object of the present invention is to devise a structure for imparting resistance to the tip side of small shoots discharged from the stock splitting part so that the posture can be favorably changed to a standing posture without falling even if the discharge speed varies.

[0005]

In order to achieve the above object, the present invention provides a dividing device which acts on a root portion of a mother plant carried by a carrying device to loosen and disperse the root to divide into small stocks. The small shares that are divided by this and discharged from the discharge part,
The planting section is arranged so that its roots are discharged in a tilted posture where it is lower than the tip of the stem, and the small plants dropped and discharged from this planting section are sequentially placed in a seedling storage box in a substantially horizontal posture. In a stock sorting machine having a packing section for packing transfer, the standing position suitable for packing transfer in the packing section is exerted by acting on the tip of the small stock in an inclined position discharged from the discharging section. In order to provide a resistance mechanism for changing the resistance mechanism, the resistance mechanism can be changed between a receiving posture that receives discharged small caps and a discharging posture that allows small caps to pass, and a resistance guide that receives this resistance guide. It is composed of an elastic member that urges in the stopping posture, and the urging force of the elastic member is set so that the resistance guide is changed from the receiving posture to the discharging posture by a pressing force of a predetermined amount or more in the small-capsule discharging direction. It is characterized by being.

[0006]

In the above characteristic structure, the tip portion of the discharged small plant comes into contact with the resistance guide. When the contact force reaches a certain value, the resistance guide opens to allow passage of the tip portion. . That is, since the resistance guide is not a fixed member but a movable member, it is possible to pass with the tip of the stem positioned in this resistance guide portion without lowering below the resistance guide. Therefore, only the conveying direction resistance can be applied to the tip portion of the stem, and if the closing biasing force of the resistance guide is set appropriately, the resistance guide passage time will be shortened when the small stock is discharged vigorously, and However, when ejected slowly, the resistance guide passage time also becomes slow, so the tendency that the resistance in the conveying direction is insufficient or excessive depending on the ejecting speed as in the past is suppressed, and the resistance commensurate with the ejecting speed is reduced. Will be granted to.

[0007]

[Effects of the Invention] Therefore, even if the discharging speed from the stock splitting section varies, the small stocks discharged from the stock splitting section in a tilted posture can be corrected to a standing posture suitable for boxing as much as possible. We were able to provide an excellent stocking machine that increases the accuracy of the boxing operation.

[0008]

EXAMPLES Examples of the present invention will be described below with reference to the drawings in the case of a straw-planting stock separator, which is an example of crop seedlings. FIGS. 1 and 2 show a strawberry plant stock splitting machine, where B is a stock splitting unit for splitting the mother stock M to be fed and discharging the split small shares m downward, and C is a stock splitting unit for discharging. It is a boxing unit that pushes out the small stock m and packs it into the seedling storage box 1. The pretreatment device A and the stock splitting unit B are integrally configured, and are arranged so as to be tilted backward. Next, the structure of each part will be described.

As shown in FIGS. 1 to 7, the stock splitting section B is
A pair of elastic belts facing each other (corresponding to an endless rotation band)
A transport device 4 for sandwiching and transporting the mother plant M of strawberries between two and three in a slanting recumbent posture in which the stem tip is higher than the root, and the mother plant M transported by this carrier device 4. Dividing device 5 that acts on the root of the plant to forcibly loosen and disperse the root
And a supply section 6 for introducing the mother stock M is formed at the start end of the carrier device 4, and a discharge part 7 for the small stock m divided into stocks is formed at the end part of the carrier device 4. There is.

The conveying device 4 forms a bent conveying path W by a pair of belts 2 and 3 which are continuously formed by a large number of pulleys, and contributes to the appearance of a good conveying state. That is, the transfer path W by the transfer device 4 is
A starting end portion of the upper left elastic belt 2 bent and formed in a substantially L shape composed of a lateral path ws, an oblique path wn, and a vertical path wt, and expanded and displaced, and a conveyance upper side than the upper left elastic belt 2. A small stock in which the pre-treatment supply section 6 of the mother stock M by the lower right elastic belt 3 and the pair of rolling wheels 12 and 12 at the bottom end are divided into approximately one stock. m discharge units 7 are respectively configured.

Above and below the conveying device 4 in the lateral path ws, root cutting cutters 13 and 13 and stem cutting cutters 14 and 14 for cutting the roots and stems of the mother plant M are arranged, respectively, and diagonally. From route wn to vertical route wt
A dividing device 5 is provided so as to extend over. As shown in FIG. 4, the large-diameter upper roller 4 with the elastic ring 41a in a state of sharing the shaft is provided at the position just lateral to the root cutting cutters 13, 13.
1 and a small diameter lower roller 42 are arranged, and an elastic ring 41
It is arranged so that a and the lower roller 42 come into contact with each other and rotate integrally. That is, the root ends of the plant seedlings are sandwiched between the upper and lower rollers 41, 42, and the roots can be effectively prevented from escaping and displacing when the root cutting cutters 13, 13 cut the roots.

Further, as shown in FIGS. 4 and 5, a movable guide plate 8 for adjusting the cutting position of the root portion by the root cutting cutters 13 and 13 and the end portions thereof coincide with the positions of the root cutting cutters 13 and 13. The marking plate 9 and the root cutting cutter 13, 13
It is provided in front of. In other words, since the cutting position of the root cutting cutter 13 which is covered with the cover 18 and cannot be seen is known by the marking plate 9, the cutting position can be accurately set by the setting operation of the guide plate 8.

The dividing device 5 includes a root conveying mechanism 5A composed of lower belts 15 and 16 having a pair of left and right locking projections 21,
A pair of claws 24 and 25 are reciprocally moved to act on a root portion of the split mechanism 5B. Root transport mechanism 5A
The lower belts 15 and 16 are arranged so as to face each other so that an upper carry-in port 19 where the belt facing distance is widened upward and a linear path portion 20 where the belt facing distance is narrow and straight is formed. A state in which the root portion of the mother plant M fed from the carry-in port 19 by the carrying device 4 is clamped and conveyed, and the root portion is crushed and deformed into a flat shape by the strong clamping force in the straight path portion 20 and conveyed downward It is set.

In the linear path portion 20, the dividing mechanism 5B is to enter the root portion from the lower side of the deformed mother strain M and forcibly separate each strain, as shown in FIGS. 7 to 9. , A holding claw 2 that advances and holds the root of the mother plant M through a notch 23 formed in the placement guide plate 22.
4 and a separating claw 25 that is arranged on the lower side of the holding claw 24 in the seedling feeding direction and that enters the mother stock M held by the holding claw 24.
Is driven by a drive mechanism 43 having one end pivotally supported by the crank arms 26 and 27 and an intermediate portion pivotally supported by the swing arms 28 and 29. It is configured to perform a root-like movement and scrape the roots of each plant. The separation claw 25 is composed of two claw bodies 25a and 25b arranged in parallel along a direction intersecting with the feeding direction of the mother stock M, and the tearing action by the claws is close to the shearing action, so that the stock splitting can be performed naturally. Is configured to be performed.

The notch 2 between the claws 25a and 25b
There is provided a removing member 44 capable of eliminating the root portion sandwiched between 5c. That is, a removing member 44 made of a hook-shaped bar member that fits into the notch 25c is attached to the tip of the support arm 45 extended from the machine frame D in a swingable state by the pivot structure. That is, the removal member relatively reciprocates in the notch 25c as the separating claw 25 moves in and out, thereby exerting a scraper action and removing roots and mud clogged in the notch 25c.

The discharge part 7 acts on the stem tip of the small plant m in an inclined posture to be discharged from here, and changes the small plant m to a standing posture suitable for packing transfer in the packing section D. A resistance mechanism A is provided. As shown in FIGS. 1 to 3, the resistance mechanism A includes a left and right lateral guides 10 and 10 which are fixed in position and made of a plate material, and a pair of left and right resistance guides 11 and 11 which can freely swing and open.
The resistance guide 11 is capable of changing its posture around the fulcrum X between a closed receiving posture for receiving the discharged small stock m and an open discharging posture for allowing the small stock m to pass, and A tension spring 11a is provided for urging the resistance guide 11 in a receiving posture.

That is, the resistance guide 11 exerts a function of feeding downward by giving a resistance to the tip of the stem by swinging open and swinging due to the collision with the small plant m, while keeping the standing posture.
The urging force of the tension spring 11a is set so that the resistance guide 11 is changed from the receiving posture to the discharging posture by a pressing force of a predetermined amount or more in the small-capsule discharging direction.

As shown in FIGS. 1 and 2, the boxing portion C is
A guide rail 32 connected to the machine frame D, and a dolly 3 for mounting the seedling storage box 1 that rolls on the guide rail 32
3 and an extruding device 34 for sequentially packing and transferring the small plants m discharged from the discharging unit 7 into the seedling storage box 1.

As shown in FIGS. 2, 7, and 10, the guide rail 32 is a front rail 32 fixed to the machine frame D.
a and the rear rail 32b are pivotally connected to each other. When not in use, the rear rail 32b can be folded and stored upward around the fulcrum P, and the lock piece 35 allows the rear rail 32b to be maintained in the storage posture. I am doing it. A pair of small-diameter rollers 36, 36 are mounted on the left and right sides of the rear end of the carriage 33 (on the right side in FIG. 2) so as to be able to move lightly on the guide rail 32, and a braking force is applied to the movement of the carriage 33. A brake (not shown) is provided over the carriage 33 and the guide rail 32. The seedling storage box 1 is a box body having a shape in which the upper surface and the rear wall are omitted as shown in FIG. 7, and should be the rear wall after mounting the small plant m.
The shutter plate 1a is constructed so that it can be inserted and mounted across the left and right side walls 1b, 1b.

As shown in FIGS. 7, 10 and 11.
The push-out device 34 is configured by a four-link mechanism 38 including a push-out arm 37 having a pressing plate 37a having a pointed shape in a plan view having a left-right width comparable to the inner width of the seedling storage box 1, and a front link 39. The push-out arm 37 positioned in the seedling storage box 1 by connecting the upper rotary wheel 17 with the rod.
Continuously move back and forth. In addition, as shown in FIG. 2, a micro switch 40 is provided at the rear end of the guide rail 32, and the seedling storage box 1 is provided with the micro switch 4.
The circuit is configured so that the pushing device 34 is stopped when 0 is touched.

In the operation procedure by this straw-brush dividing machine, first, a crevice is formed in the root portion of the mother plant M by the pretreatment device A, and then the mother plant M is sent to the supply part 6 of the carrier device 4 by an artificial operation. The mother M transferred by the transfer device 4 has a root transfer mechanism 5
By the action of A and the dividing mechanism 5B, the stocks are divided into individual stocks, and the small stocks m thus divided are discharged from the discharge unit 7. The discharged small stock m is smoothly dropped into the seedling storage box 1 by changing its posture from the tilted posture to the standing posture by the resistance mechanism A, and the small shoot m is reciprocated back and forth by the pushing arm 37. It is packed from the front end portion in the storage box 1, and the trolley 33 on which the seedling storage box 1 is placed is moved forward by the pushing force of the pushing arm 37 through the small cap m, whereby the seedling storage box is moved. 1 can be loaded with m small stocks. And the above-mentioned brake,
This is for restricting the trolley 33 from moving more than necessary by the pushing force of the pushing arm 37 so that the small plants m can be packed in the seedling storage box 1 without any gap.

[Other Embodiment] In this embodiment, the resistance guide 11 is used.
, Which has a double-door structure, swings upward around the left and right fulcrums and swings from the receiving posture to the discharging posture, and the configuration in which it slides parallel to the packing movement direction to the discharging posture. Various resistance mechanisms A are conceivable.

It should be noted that although reference numerals are given in the claims for convenience of comparison with the drawings, the present invention is not limited to the configuration of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a front view showing the structure of a stock separator.

[Figure 2] Side view of the stock splitting machine

FIG. 3 is a front view of a transfer device portion.

FIG. 4 is a sectional view of a cutter portion.

FIG. 5 is a plan view showing a guide plate mounting structure.

FIG. 6 is a front view showing the structure of the dividing device.

FIG. 7 is a side view showing the structure of the dividing device.

FIG. 8 is an enlarged side view showing the operation of the dividing mechanism.

FIG. 9 is a partial front view showing an arrangement state of claws.

FIG. 10 is a sectional front view of the boxing section.

FIG. 11 is a plan view of a boxing section showing the packing action of small caps.

[Explanation of symbols]

 1 Seedling Storage Box 4 Conveying Device 5 Dividing Device 7 Discharging Unit 11 Resistance Guide 11a Elastic Member A Resistance Mechanism B Stock Dividing Unit C Boxing Unit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Nagaharu Teramoto 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Sakai Factory Co., Ltd. (72) Yoshikawa Nakagawa 64, Ishizukita-machi, Sakai City, Osaka Kubota Sakai Manufacturing In-house

Claims (1)

[Claims] 1. A dividing device (5) which acts on a root portion of a mother stock conveyed by a carrying device (4) and loosens and disperses the root portion so as to divide it into small stocks. )
The small stocks discharged from the stock splitting section (B), which is arranged so as to be discharged in an inclined posture in which the root part is lower than the tip of the stem, and the drop discharge from the stock splitting section (B). A boxing section (C) for sequentially packing and transferring the small plants to be put into a substantially horizontal posture seedling storage box (1), and to the tip portion of the small plants in the inclined posture discharged from the discharging section (7). In order to provide a resistance mechanism (A) that acts to change the small cap to an upright posture suitable for packing transfer in the boxing section (C), the resistance mechanism (A) is used to receive the discharged small cap. A resistance guide (11) whose posture can be freely changed to a stopping posture for stopping and a discharging posture for allowing passage of small caps, and an elastic member (11) for urging the resistance guide (11) to the receiving posture.
a) and the biasing force of the elastic member (11a) so that the resistance guide (11) is changed from the receiving posture to the discharging posture by a pressing force in the small cap discharge direction more than a predetermined value. Stock splitting machine that has been set.