JP3009840U - Transfer device for connected seedlings - Google Patents

Abstract

(57) [Abstract] [Purpose] Transferring the connected seedlings well by using multiple rotating rollers arranged in a row, and by simply loading the seedling transportation case, the subsequent connected seedlings are separated. Make it possible to automatically catch up with the preceding group of connected seedlings. A peripheral speed of the frontmost rotary roller 27 facing the supply conveyor E is set to be substantially equal to or higher than the peripheral speed of the supply conveyor E, and each rotary roller 28 arranged behind the rotary roller 27 A drive mechanism J is provided to drive the peripheral speed of 31 by sequentially increasing the peripheral speed from the frontmost rotary roller 27 to the last rotary roller 31.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a transfer device for a group of connected seedlings that transfers a group of connected seedlings, which are formed by serially arranging a large number of paper tube seedlings, to a seedling separating section in transplant cultivation of agricultural crops.

[0002]

[Prior art]

 As a transfer device for this kind of connected seedling group, there is one described in JP-A-6-105604. 12 and 13 show the main part of the conventional device, and FIG. 12 is a side view showing a state in which the seedling transport container is mounted on the first belt and the aligned seedlings are placed, and FIG. 13 is the same device. FIG.

The device separates an aligned seedling 2 from a first belt 4 that receives an aligned seedling 3 that also corresponds to a connected seedling group of the present application from a seedling transport container 1 that corresponds to the seedling transport case of the present application. (Not shown) and a second belt 5 for supplying the same.

The first belt 4 is formed by arranging a plurality of narrow width belts 4a at predetermined intervals, and the belts 4a support the bottom surface of the aligned seedlings 3 in the seedling transport container 1. .

In order to transfer the aligned seedlings 3 with the apparatus of this configuration, the first belt 4 and the second belt 5 are rotated together, and the aligned seedlings 3 on the first belt 4 are transferred. It is transferred onto the second belt 2.

By the way, when the separation of the aligned seedlings 2 placed on the second belt 5 is almost complete, the remaining seedling row becomes small and becomes unstable, and the standing postures of them are maintained. Becomes difficult. Therefore, the succeeding arrayed seedlings 3 are made to catch up with the preceding arrayed seedlings 2, and the front row of the subsequent arrayed seedlings 3 is closely adhered to the last row of the preceding arrayed seedlings 2 to thereby integrate the preceding connected seedling group. We are trying to stabilize the seedlings.

The operation is to set the seedling transport container 1 on the first belt 4 during the separation operation of the aligned seedlings 2 on the second belt 5 and to move only the first belt 4 by the handle 6. By rotating the seedlings manually, the subsequent seedlings 3 are made to catch up with the preceding seedlings 2.

[0008]

[Problems to be solved by the device]

 The conventional transfer device described above has the following drawbacks.

Since the first belt 4 needs to be manually rotated to bring the aligned seedlings 2 and 3 into close contact with each other, the work is complicated. Further, in order to perform the work automatically by a motor or the like, a mechanism for that purpose must be added, and the mechanism becomes complicated and the cost increases.

The first belt 4 and the second belt 5 are stretched between the pulleys 7, 8, 9 and 10 arranged apart from each other. It is fully expected that field soil will be sandwiched between the first belt 4.

In this case, the outer diameters of the pulleys 7 and 8 are apparently large, and the peripheral velocities of the plurality of belts 4a are different from each other. There is a risk of being divided between.

Further, slippage occurs between the pulleys 7 and 8 and the belt 3 because the belts 4a are not evenly contacting the aligned seedlings 3 or the soil is attached to the pulleys 7 and 8. As a result, a speed difference occurs between the belts 4a, which may cause the aligned seedlings 3 to be separated between the adjacent belts 4a.

According to the present invention, the connected seedling group is satisfactorily transferred by a plurality of rotating rollers arranged in a row, and the succeeding connected seedling group is separated only by loading the seedling transport case. It is an object of the present invention to provide a transfer device for a connected seedling group that can automatically catch up with the connected seedling group.

[0014]

[Means for Solving the Problems]

 The transfer device for the connected seedling group of the present invention has a plurality of rotary rollers arranged in a row on the upstream side of the supply conveyor for supplying the connected seedling group to the seedling separating section, and these rotary rollers are used to transfer the seedlings inside the seedling carrying case. The group of connected seedlings is pushed up and separated from the bottom, and it is moved toward the supply conveyor.

Then, the peripheral speed of the rotary roller in the front row facing the supply conveyor is set to be substantially equal to or higher than the peripheral speed of the supply conveyor, and each rotary roller arranged on the rear side of the rotary roller. The drive mechanism is provided to sequentially increase the peripheral speed of the rotating roller from the frontmost rotating roller to the last rotating roller.

[0016]

[Action]

 When the seedling transportation case is loaded in a predetermined position, the connected seedling group in the seedling transportation case is pushed up by the rotating roller and is separated from the bottom part.

When the rotating rollers are driven in this state, these rotating rollers are driven so that the peripheral speed of the rotating rollers arranged on the rear side increases, so that each seedling of the connected seedling group is , The pressure from the adjacent rear seedlings acts, and the connected seedlings move in this state.

[0018]

【Example】

 The present invention will be described with reference to the drawings. FIG. 1 is a side view of a seedling transplanter equipped with a transfer device according to an embodiment of the present invention.

The seedling transplanter comprises a main frame 11, upper and lower auxiliary frames 12a and 12b for connecting to a tractor (not shown), a drive wheel 13, a rolling corter 14 for cutting foreign matters, and a furrow. An opener 15 for making a seedling, a seedling planting device 16 for planting seedlings in the furrows, and a squeezing wheel 17 for squeezing the planted seedlings are provided, and a seedling row separating device A is mounted.

The seedling row separating device A includes a seedling row separating mechanism B for separating a connected seedling group P in which paper tube seedlings and the like (hereinafter referred to as “seedlings”) are separated for each seedling row, and this seedling row separating mechanism B. Further, a seedling supply device C for supplying the connected seedling groups P and Q and a carry-out conveyor D for carrying out the seedling row P0 separated by the seedling row separating mechanism B to the seedling transplanter side are provided.

Among them, the seedling supply device C is supported on one end of the main frame 11 of the seedling transplanter, and the carry-out conveyor D is supported on the middle part thereof. The seedling row separating mechanism B is supported by a pair of standing frames 18 and 18 (one of which is not shown) standing on the other end side of the main frame 11, and a part of the standing frame 18 on the seedling feeding device C. Opposed to the connected seedling group P.

The connected seedling groups P and Q are orthogonal to a seedling row in which adjacent seedlings are in close contact with each other and a seedling row in which adjacent seedling rows are alternately sandwiched and spaced apart from each other. Although two identical seedling structures are used for convenience of explanation, if two connected seedling groups are placed on the seedling feeding device C, the preceding one is P and the one following it is P. Distinguish as Q.

The seedling feeding device C is a feed conveyor E for intermittently transferring the preceding connected seedling group P toward the seedling row separating mechanism B, and the transfer device F of the present invention installed on the upstream side of the feed conveyor E. The transfer plant F transfers the connected seedling group Q contained in the seedling transport case 19 to the supply conveyor E.

The supply conveyor E has the following configuration. A pair of tension rollers 21 and 22 spaced apart from each other are arranged on the downstream side, which is close to the seedling separation mechanism B between the pair of side plates 20 formed in a lateral rectangle, and between the tension rollers 21 and 22. A supply belt 23 is stretched around the feeding belt 23 on which the connected seedling group P is placed in an upright posture.

A motor M1 is attached to one side plate of the pair of side plates 20, 20, and the sprocket 24 fixed to the drive shaft M1a and one end of the tension roller 22 are attached to the side plate. A roller chain 26 is stretched between the outer sprocket 25 of the two fixed sprockets 25, 41. That is, the supply belt 23 travels so as to transfer the connected seedling group P toward the seedling row separating mechanism B by driving the motor M1.

The transfer device F of the present invention comprises first to fifth rotating rollers 27 arranged at required intervals on the upstream side of the supply conveyor E, that is, between the upper edges of the pair of side plates 20, 20 on the upstream side. To 31. These first to fifth rotary rollers 27 to 31 are rotary shafts 27a to 31a rotatably laid between the pair of side plates 20 and 20, and a large diameter circle fitted to the rotary shafts 27a to 31a. It is composed of two columnar roller-shaped contact portions 27b, 27b to 31b, 31b, and these roller-shaped contact portions 27b, 27b to 31b, 31b contact the lower end surface Qa of the connected seedling group Q.

The roller-shaped abutting portions 27b, 27b to 31b, 31b are positioned such that the lower end surface Qa of the connected seedling group Q that abuts them is flush with the upper surface 23a of the supply belt 23 or slightly above it. Preferably.

Of the first to fifth rotating rollers 27 to 31, the rotating shafts 27 a to 27 a of the first rotating roller 27 to the fourth rotating roller 30 in the front row facing the supply conveyor E, that is, the supply belt 23. Two sprockets 32, 33, 34, 35, 36, 37, 38, 39, 40 are fixed to one end of 30a, respectively. Further, one sprocket 40 is fixed to one end of the rotary shaft 31a of the fifth rotary roller 31 in the last row.

Of the two sprockets 32, 33 of the first rotating roller 27, a roller chain 42 is stretched between the inner sprocket 32 and the inner sprocket 41 of the tension roller 22 on the supply conveyor E side. As a result, the driving force of the supply conveyor E is transmitted to the first rotating roller 27.

The outer sprocket 33 of the first rotating roller 27 and the outer sprocket 34 of the second rotating roller 28, the inner sprocket 35 of the same rotating roller 28 and the inner sprocket 36 of the third rotating roller 29. Between the sprocket 37 outside the rotary roller 29 and the sprocket 38 outside the fourth rotary roller 30, between the sprocket 39 inside the rotary roller 30 and the sprocket 40 of the fifth rotary roller 31, respectively. The roller chains 43 to 46 are stretched and are driven to rotate in the same direction as the first rotating roller 27.

Relationship between the number of teeth of the sprockets 25 and 41 fixed to the tension roller 22 of the supply conveyor E and the number of teeth of the sprockets 32 and 33 to 40 fixed to the first to fifth rotating rollers 27 to 31. Is as follows:

The number of teeth of the sprockets 25 and 41 fixed to the tension roller 22 and the number of teeth of the sprockets 32 and 33 of the first rotating roller 27 are the same as the roller contact of the first rotating roller 27. The peripheral speed of the portion 27b is set to be higher than or equal to the peripheral speed of the supply belt 23 stretched around the tension roller 22.

Further, the sprocket 32, 33 to 40 from the first rotating roller 27 to the fifth rotating roller 31 uses the peripheral speed of the roller-shaped contact portion 27b of the first rotating roller 27 as a reference, and The number of teeth is such that the peripheral speeds of the roller-shaped contact portions 27b, 27b to 31b, 31b gradually increase from the first rotary roller 27 toward the fifth rotary roller 31.

For example, when the peripheral speed of the roller-shaped contact portion 27b of the first rotary roller 27 is 1, the peripheral speed of the roller-shaped contact portion 28b of the second rotary roller 28 is 1.1, In addition, the peripheral speed of the roller-shaped abutting portion 29b of the third rotating roller 29 is increased by an arithmetic progression such as 1.2.

In the present embodiment, the drive mechanism J is configured by the sprockets 25, 32 to 41 described above and the motor M1.

The seedling transportation case 19 is a box-shaped one for loading the connected seedling group Q into the transfer device F, and the upper surface and one side surface thereof are open. On the bottom portion 19a, ten squares are formed so that the upper sides of the roller-shaped contact portions 27b, 27b to 31b, 31b of the first to fifth rotating rollers 27 to 31 project into the seedling transport case 19. A free insertion hole 19b is formed.

That is, when the seedling transportation case 19 is loaded into the transfer device F, the upper sides of the roller-shaped contact portions 27b, 27b to 31b, 31b project above the bottom portion 19a through the loose insertion holes 19b, The connected seedling group Q placed on the bottom portion 19a is held in a state of being lifted from the upper surface of the bottom portion 19a. When the first to fifth rotating rollers 27 to 31 are rotationally driven in this state, the group of connected seedlings Q moves toward the supply conveyor E.

The seedling row separating mechanism B separates the frontmost seedling row of the preceding connected seedling group P for each row, a seedling row separating section G as a seedling separating section, and a link mechanism H that supports this. Actuators such as hydraulic cylinders 47 and 48 for driving the.

The structure of the link mechanism H is as follows. One ends of horizontal frames 49, 49 (one of which is not shown) are fixed to the upper ends of the pair of standing frames 18, 18, and a pair of side-face inverted L-shaped swing links are provided between the middle parts thereof. The upper ends of 50 and 50 (one of which is not shown) are rotatably mounted, and by expanding and contracting the sliding rod 47a of the hydraulic cylinder 47, the initial position (a) shown by the solid line in FIG. It moves to and from the tilting position (b) indicated by.

The seedling row separating section G is pivotally supported by a hanging frame 51 fixed to the lower ends of the swing links 50 and 50 and the other end of the horizontal frame 49, and a fine movement frame 52 having its base end attached. Has been done.

The seedling row separating portion G is composed of a movable frame 54 and a seedling row peeling portion I which are respectively tiltable about a support shaft 53 provided between the lower ends of the swing links 50, 50.

The movable frame 54 is moved from the initial position (a) of the swing links 50, 50 to the tilting position (b) by moving the movable frame 54 from the initial position (c) indicated by the solid line about the support shaft 53 to two points. It moves to the tilting position (d) indicated by the chain line (Fig. 2).

In the seedling row peeling section I, a seedling separating needle (not shown) for separating the frontmost seedling row P1 of the connected seedling group P facing the seedling row separating section I is supported, and the seedling separating needle is used as the frontmost seedling. After inserting into the row P1, the hydraulic cylinder 48 moves from the peeling start position (e) shown by the solid line to the end position (f) so that the frontmost seedling row P1 is peeled off during this movement. (Fig. 2).

Next, the operation of transferring the connected seedling group Q to the supply conveyor E by the transfer device F will be described. Note that, here, the description will be made assuming that the preceding connected seedling group P is placed on the supply conveyor E.

By the rotation of the first to fifth rotating rollers 27 to 31 of the transfer device F, the entire connected seedling group Q is placed on the first to fifth rotating rollers 27 to 31. From the state in which the rear side is placed on the first to fifth rotating rollers 27 to 31, and the front side is placed on the supply belt 23 of the supply conveyor E, the entire connected seedling group Q is supplied. The state of being placed on the belt 23 is changed. Hereinafter, the three states will be described in different cases.

<The state in which the entire connected seedling group is placed on the first to fifth rotating rollers> When the seedling transport case 19 is set on the transfer device F, the seedling transport case 19 is set through the free insertion hole 19b formed in the bottom portion 19a thereof. The roller-shaped contact portions 27b, 27b-31b, 31b of the first to fifth rotating rollers 27-31 project above the bottom portion 19a.

By the protrusion of the first to fifth rotating rollers 27 to 31, the connected seedling group Q placed on the bottom portion 19a is pushed upward from the bottom portion 19a, and each roller-shaped contact portion. 27b, 27b to 31b, 31b are put on the state (FIG. 3).

When the supply conveyor E is driven in this state, the rotary rollers 27 to 31 of the transfer device F rotate in synchronization with the drive, and the connected seedling group Q is moved toward the supply conveyor E.

At this time, the connected seedling group Q moves, for example, almost in synchronization with the rotation of the first rotating roller 27, but the peripheral speed of the roller-shaped contact portion 27b of the first rotating roller 27 is higher than that of the first rotating roller 27. Since the peripheral speeds of the roller-shaped contact portions 28b, 28b-31b, 31b of the second to fifth rotary rollers 28-31 arranged on the rear side are high, those roller-shaped contact portions 28b, 28b-31b, There is slippage between 31b and the lower end surface Qa of the connected seedling group Q in an amount corresponding to the peripheral speed.

Due to the sliding, a pressing force corresponding to the sliding amount is generated in each seedling in the moving direction of the connected seedling group Q, and gradually the powder is directed toward the supply conveyor E while the pressing force is acting. Moving.

By the way, soil or the like that is clogged in each seedling may drop and adhere to the actual rotating roller, but as described above, the peripheral speed of the rotating roller is set to be higher in the rear row. In this case, it works as follows.

That is, when soil or the like adheres to the roller-shaped contact portion of the rotary roller arranged in the middle, the outer diameter of the roller-shaped contact portion increases and the peripheral speed increases. In other words, as the peripheral speed increases, the amount of slippage with the seedling row in contact with the rotating roller increases, and the seedling row has a peeling force that attempts to peel the seedling row from the rear seedling row. Occurs in the moving direction of the connected seedling group.

However, since the pressing force from each rotating roller arranged on the rear side of the rotating roller is larger than the peeling force generated by the adhesion of the soil or the like to the rotating roller, The pressing force acts so as to offset the peeling force, preventing cracking of the connected seedlings from the seedling row contacting the rotating roller.

<The state where the connected seedling group is placed on the rotating roller and the supply belt> When the front side of the connected seedling group Q is placed on the supply belt 23, the first to first speeds are higher than the peripheral speed of the supply belt 23. Since the peripheral velocities of the fifth rotating rollers 28 to 31 are high, the connected seedling group Q slides toward the feeding belt 23 and is directed toward the seedling separation mechanism B at a speed higher than the peripheral speed. Move (Fig. 5).

As a result, while the supply belt 23 is repeatedly driven intermittently, the succeeding connected seedling group Q catches up with the preceding connected seedling group P placed on the supply belt 23, and both connected seedling groups P , Q are integrated on the supply belt 23 (FIG. 6).

Further, after both the connected seedling groups P and Q are integrated, the friction with the supply belt 23 and the foremost seedling row P1 of the connected seedling group P becomes one of the seedling row peeling portions I described above. By abutting on the part, relative slip between the integrated connected seedling group P, Q and the supply belt 23 does not occur.

That is, after both the connected seedling groups P and Q are integrated, the connected seedling group Q moves forward together with the connected seedling group P in synchronization with the intermittent drive of the supply belt 23. Further, when the two connected seedling groups P and Q are integrated, the rear side of the connected seedling group Q is placed on, for example, the first and second rolling rollers 27 and 28. Although a pressing force due to the rotation of the roller-shaped contact portions 27b and 28b acts on Q, a pressing force sufficient to slide the connected seedling group Q together with the connected seedling group P along the supply belt 23 is obtained. Don't

<The state in which the whole connected seedling group is placed on the supply belt> Even after the whole connected seedling group P, Q is placed on the supply belt 23, the connected seedling group P, Q is intermittently driven by the supply belt 23. The plants advance in synchronization, and the frontmost seedling row is peeled off one after another by the seedling row peeling section I and conveyed to the seedling transplanter side.

It should be noted that the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the gist thereof.

In the embodiment, the peripheral speed of the first rotary roller 27 in the front row facing the supply conveyor E is set to be equal to or higher than the peripheral speed of the supply conveyor E, and the first rotary roller The peripheral velocities of the second to fifth rotary rollers 28 to 31 arranged on the rear side of 27 are sequentially increased from the first rotary roller 27 in the front row to the fifth rotary roller 31 in the last row. Although it is driven, it may be performed as follows.

The peripheral speed of the rotary roller 27 in the front row facing the supply conveyor E is set to be substantially equal to or higher than the peripheral speed of the supply conveyor E, and a plurality of rotary rollers arranged on the rear side of the rotary roller 27. The rear roller group RG1 is formed by 28 to 31 (FIG. 7). Then, the peripheral speed of the rear roller group RG1 is sequentially increased from the peripheral speed of the rotary roller 27 in the front row to drive.

The peripheral speed of the rotary roller 27 in the front row facing the supply conveyor E is set to be substantially equal to or higher than the peripheral speed of the supply conveyor E, and the rotary rollers 27 arranged on the rear side of the rotary roller 27. The two rotating rollers 28 to 31 may be divided into two groups of the rotating rollers 28, 29 and 30.31 to form the rear roller groups RG2 and RG3 (FIG. 8). In this case, the peripheral speed of the rotating rollers of the rear roller group RG3 is set to be higher than the peripheral speed of the rotating rollers of the rear roller group RG2.

The peripheral speed of the first rotary roller 27 in the front row facing the supply conveyor E is set to be substantially equal to or higher than the peripheral speed of the supply conveyor E, and the first rotary roller 27 is included, The front roller group RG4 is formed by three rotating rollers 27 to 29 having the same peripheral speed. Further, on the rear side of the front roller group RG4, a rear roller group RG5 is formed by two rotating rollers 30 and 31 having the same peripheral speed (FIG. 9). Then, the peripheral speed of the rear roller group RG 5 is increased more than the peripheral speed of the front roller group RG4 for driving.

The peripheral speed of the first rotary roller 29 in the front row facing the supply conveyor E is set to be substantially equal to or higher than the peripheral speed of the supply conveyor E, and the fifth rotary roller 31 in the last row is rotated. The front roller group RG6 is formed by four rotary rollers 27 to 30 arranged on the front side and including the frontmost rotary roller 27 (FIG. 10). Then, the peripheral speed of the rotary roller 31 in the last row is driven to be higher than the peripheral speed of the front roller group RG6.

In addition, the peripheral speed of the rotary roller 27 in the front row facing the supply conveyor E is set to be substantially equal to or higher than the peripheral speed of the supply conveyor E, and the fifth rotary roller 31 in the last row is set. The four rotary rollers 27 to 30 arranged on the front side of the above may be divided into two groups of rotary rollers 27, 28 and 29, 30 to form the front roller groups RG7, RG8 respectively (FIG. 11). In this case, the peripheral speed of the rotary rollers of the front roller group RG7 is set to be higher than the peripheral speed of the rotary rollers of the front roller group RG7.

In the above embodiment, the number of teeth of the sprocket fixed to each rotary roller is appropriately combined, and the peripheral speed of the rotary roller arranged on the rear side is sequentially or stepwise increased. The outer diameters of the roller-shaped abutting portions of the plurality of rotating rollers may be increased as they are arranged on the rear side, and each rotating roller may be driven at the same rotation speed.

Further, the number of rotating rollers is not limited to the above five, and may be 2 to 4 or 6 or more.

As the seedling separating section, the one that separates the frontmost seedling row of the connected seedling group into each row has been described, but the seedling row may be separated into individual seedlings. Also, although the case where the foremost seedlings are separated by a separating needle has been described, the same can be applied to the case where a pair of rotating rollers for separation are brought into contact with the foremost seedlings for separation. .

[0069]

[Effect of device]

 According to the invention described in claims 1 to 4, the following effects can be obtained. The peripheral speed of the frontmost row of rotating rollers facing the supply conveyor or the rotating roller group including the rotating rollers is set to be equal to or higher than the peripheral speed of the supply conveyor, and the rotating rollers arranged behind them are Since the peripheral speed of the rotating roller group is increased sequentially or stepwise, it is possible to make the succeeding connected seedling group catch up with the preceding connected seedling group only by loading the seedling transportation case into the transfer device. .

Further, since the peripheral speed of the roller abutting portion of the rotary roller arranged on the rear side of the rotary roller is higher than the peripheral speed when soil or the like adheres to the rotary roller, the peripheral speed of It is possible to prevent cracking of connected seedlings.

Since no belt is used, cracking of the connected seedling group due to slippage between the pulley and the belt can be prevented.

[Brief description of drawings]

FIG. 1 is a side view of a seedling transplanter equipped with a transfer device for connecting seedlings of the present invention.

FIG. 2 is an enlarged side view of a seedling row separating device including a transfer device for a connected seedling group according to the present invention.

FIG. 3 is an enlarged side view centering on a transfer device for a combined seedling group of the present invention.

FIG. 4 is a plan view thereof.

FIG. 5 is a partially enlarged side view showing a state in which a connected seedling group is transferred to a supply conveyor by a transfer device.

FIG. 6 is a partially enlarged side view showing a state in which a connected seedling group is transferred to a supply conveyor by a transfer device.

FIG. 7 is a schematic partial side view showing a first example in which a plurality of rotating rollers are divided into groups for each peripheral speed.

FIG. 8 is a schematic partial side view showing a second example in which a plurality of rotating rollers are divided into groups for each peripheral speed.

FIG. 9 is a schematic partial side view showing a third example in which a plurality of rotating rollers are grouped according to peripheral speeds.

FIG. 10 is a schematic partial side view showing a fourth example in which a plurality of rotating rollers are divided into groups for each peripheral speed.

FIG. 11 is a schematic partial side view showing a fifth example in which a plurality of rotating rollers are divided into groups for each peripheral speed.

FIG. 12 is a side view showing a state in which the seedling transportation container is mounted on the first belt of the conventional device and the aligned seedlings are placed.

FIG. 13 is a plan view of the device.

[Explanation of symbols]

19 seedling transportation case 27-31 1st-5th rotation roller as a rotation roller E supply conveyor G seedling row separation part as seedling separation part J drive mechanism P, Q connection seedling group

Claims (4)

[Scope of utility model registration request] 1. A plurality of rotating rollers are arranged in a row on the upstream side of a supply conveyor for supplying a group of connected seedlings to a seedling separating section, and these rotating rollers push up the group of connected seedlings in a seedling carrying case so that the bottom portion thereof is lifted. In the transfer device for the connected seedling group that is moved away from the feed conveyor, the peripheral speed of the rotating roller in the front row facing the supply conveyor is set to be equal to or higher than the peripheral speed of the supply conveyor. What is more, a drive mechanism is provided which sequentially increases the peripheral speed of each rotating roller arranged behind the rotating roller in the front row toward the rotating roller in the last row. Transfer device for connected seedlings. 2. A plurality of rotating rollers are arranged in a row on the upstream side of a supply conveyor for supplying the connected seedling group to the seedling separating section, and these connected rollers push up the connected seedling group in the seedling carrying case to cause the bottom portion thereof to rise. In the transfer device of the connected seedling group that is moved away from the feed conveyor, the peripheral speed of the rotary roller in the front row facing the supply conveyor is set to be equal to or higher than the peripheral speed of the supply conveyor. That is, the front roller group is formed by a plurality of rotating rollers including the front row rotating roller and having the same peripheral speed, and a plurality of rotating rollers having the same peripheral speed are provided on the rear side of the front roller group. A rear roller group is formed by rollers, and a drive mechanism for driving the rear roller group by increasing the peripheral speed of the rear roller group more than the peripheral speed of the front roller group is provided. apparatus. 3. A plurality of rotating rollers are arranged in a row on the upstream side of a supply conveyor for supplying the connected seedling group to the seedling separating section, and these connected rollers push up the connected seedling group in the seedling carrying case so that the bottom portion thereof is lifted. In the transfer device of the connected seedling group that is moved away from the feed conveyor, the peripheral speed of the rotary roller in the front row facing the supply conveyor is set to be equal to or higher than the peripheral speed of the supply conveyor. That is, the rear roller group is formed by the rotating rollers arranged on the rear side of the front row rotating rollers, and the driving is performed by increasing the peripheral speed of the rear roller group higher than the peripheral speed of the front row rotating rollers. A device for transferring a group of connected seedlings characterized by having a mechanism. 4. A plurality of rotating rollers are arranged in a row on the upstream side of a supply conveyor for supplying the connected seedling group to the seedling separating section, and the rotating roller pushes up the connected seedling group in the seedling carrying case and the bottom thereof. In the transfer device of the connected seedling group that is moved away from the feed conveyor, the peripheral speed of the rotary roller in the front row facing the supply conveyor is set to be equal to or higher than the peripheral speed of the supply conveyor. That the front roller group is formed by a plurality of rotating rollers including the frontmost rotating roller arranged on the front side of the rearmost rotating roller, and the peripheral speed of the last rotating roller is higher than the peripheral speed of the front roller group. A transfer device for a group of connected seedlings, which is provided with a drive mechanism for increasing and driving.