JPH04173005A - Longitudinal transfer apparatus for transplantation machine - Google Patents

Abstract

PURPOSE:To prevent the slip between a transfer member and a seedling tray and to surely perform the longitudinal transfer of a seedling tray by providing a number of transfer members at regular spaces and hooking the seedling- holding part of the seedling tray with the transfer member to effect the forced transfer of the tray. CONSTITUTION:Transfer members 38 connecting a pair of driving chains 37 and hooking a seedling-holding part 10a of a seedling tray 10 are transferred according to the motion of the driving chains 37 by the rotation of a driving sprocket 33 to forcedly transfer the seedling tray 10. The slip between the transfer member 38 and the seedling tray 10 can be prevented by this structure to enable sure longitudinal transfer of the seedling tray 10.

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention relates to a vertical conveyance device for a transplanter, and more specifically, a vertical conveyance device for a transplanter that conveys a seedling tray having a plurality of pot seedling storage sections to a side for taking out seedlings. Regarding.

(Prior Art) Conventionally, this type of vertical conveyance device has a conveyance frame having a tray receiving portion that supports and guides seedling trays, and has a drive flat pulley on one side in the front and back direction and a driven flat pulley on the other side. A transfer belt is stretched around both of these pulleys, and a motor is attached to the drive shaft of the drive flat pulley to rotate the drive flat pulley and vertically feed the seedling tray when the seedling tray is horizontally fed to the end position in the left and right direction. In addition, a sensor is provided to detect movement of the side wall of the seedling accommodating portion of the vertically fed seedling tray,
The motor is stopped in response to a detection signal from the sensor, and the seedling tray is vertically fed one pitch at a time.

(Problem to be Solved by the Invention) However, when vertically feeding the seedling tray as described above using a friction transmission method using a transfer belt, the transfer belt tends to slip between the seedling tray and the seedling tray cannot be moved securely. However, there is a problem in that it is difficult to feed the seedling tray vertically, and the motor is stopped by detecting the movement of the side wall of the seedling storage part of the seedling tray with a sensor to determine the stopping position of the seedling tray. If the seedling accommodating portion is deformed, the seedling tray cannot be accurately vertically fed one pitch at a time, resulting in poor vertical feeding accuracy and the problem of failure to take seedlings. .

The main object of the present invention is to use a conveying member that connects a pair of drive chains, and to hook the conveying member to the seedling storage part of the seedling tray so that the seedling tray can be forcibly conveyed. It is possible to reliably feed the seedling tray vertically without slipping between the tray and the seedling tray, and to prevent the problem of failure to take out the seedlings. While achieving this, the conveying member can be smoothly and reliably caught in the seedling accommodating part without pushing up the seedlings and the bottom of the tray outward, and the transplantation can be completed. It is an object of the present invention to provide a vertical conveyance device for a transplanter that can smoothly remove a seedling tray from the conveyance member.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a tray receiving part (32) that supports and guides a seedling tray (10) having a plurality of potted seedling storage parts (10a). A pair of opposing drive sprockets (33
) (33) is supported for free driving rotation, and a driven shaft (36) having a pair of opposing driven sprockets (35) (35) on the other side is supported for free rotation. These drive sprockets (33) (33
) and driven sprockets (35) (35), respectively, while driving chains (37) (37) are hung between the opposing surfaces of both drive chains (37) (37). ) are connected, and the seedling tray (1
A large number of conveying members (38) are provided at predetermined pitch intervals for hooking onto the seedling accommodating portion (10a) of 0) and forcibly conveying the seedlings.

The transport frame (31) also includes a tray receiving part (32) that supports and guides the seedling tray (10) on the transport side of the seedling tray (10), and a tray receiving part (32) that supports and guides the seedling tray (10) on the transport side of the seedling tray (10), and a tray receiving part (32) on the collection side of the seedling tray (10).
It is equipped with a tray collecting part (39) that takes over and guides the transplanted seedling tray (10), and the tray receiving surface (32a) of the tray receiving part (32) is connected to each drive sprocket (33) (
33) and driven sprockets (35) (35), the conveyance start end side is located above the conveyance end side with respect to the linear movement locus of the driving side chain (37a), which is hung between the driven sprockets (35) (35), and the seedling tray (1
0) is inclined so as to enter at a predetermined angle with respect to the movement locus of the chain (37a) on the conveyance start end side,
The tray take-up surface (39a) of the tray collecting section (39) is configured to follow the linear movement locus of the driven chain (37b) that is hung between the drive sprockets (33) (33) and the driven sprockets (35) (35). In contrast, it is preferable to be inclined so as to move away from the take-up start end downwardly in the take-up direction.

(Function) With the configuration described in section 2, the tray receiving portion (
When vertically feeding the seedling tray (10) supported by the seedling tray (32), as the drive chains (37) (37) move due to the drive rotation of the drive sprockets (33) (33),
The conveying member (38) which connects both drive chains (33) and (33) and which is hooked on the seedling accommodating portion (10a) of the seedling tray (10) moves, and the conveying member (38) moves the seedling tray (10). 10) is forcibly conveyed, thereby ensuring that the seedling tray (10) is vertically conveyed without slipping between the conveying member (38) and the seedling tray (10). It is possible.

Moreover, the tray receiving surface (32a,
), the conveyance start end side is located above the conveyance end side,
In addition, since the seedling tray (10) is inclined so as to enter at a predetermined angle with respect to the movement locus of the driving chain (37a) at the conveyance end side, the conveyance member (38) does not hold the seedlings at the conveyance start end side. Seedling storage part (1) of tray (10)
When intervening between 0a), the conveying member (38) is moved in an inclined manner from below the bottom of the seedling tray (10) to the upper side of the seedling tray (10), thereby,
The conveying member (38) is inserted into the groove between the seedling accommodating parts (10a) of the seedling tray (10) without the conveying member (38) pushing up the bottom of the seedling tray (10) outward. It can be inserted smoothly, which allows the conveying member (
38) can be reliably caught in the seedling accommodating portion (10a).

In addition, the seedling tray (10) that has been transplanted is placed in the tray collection section (
39), so that the tray take-up surface (39a) of the tray collecting section (39) separates downward from the take-up start end in the take-up direction with respect to the linear movement locus of the driven side chain (37b). Since it is sloped, the seedling tray (10
) moves in the picking direction, the seedling tray (1
0) will come off from the conveyance member (38) due to its own weight at the start end of the take-up. As a result, the seedling tray (1o) can be quickly and smoothly removed from the conveyance member (38), and the seedling tray (1o) can be empty. It is also possible to remove the seedling tray (10) at an early stage.

(Example) What is shown in FIG. 5 is an example of a transplanter equipped with the vertical conveyance device of the present invention. In the figure, (1) is the traveling body (1) of the transplanter, and The engine (2) is mounted on the upper side of the front frame (IA), and the engine (2) is mounted on the upper side of the front frame (IA). (I.C.
A pair of transmission cases (4) (4) supporting a transplant device (3) to be described later on the ) side and extending rearward and downward on both sides of the Mitter 2 case (IB) in the vehicle width direction.
are provided so as to be able to swing up and down, and drive wheels (5) (5) are supported on the roadside sides thereof, respectively, and these drive wheels (5) (5)
is driven by the rotational power transmitted from the engine (2) via the engine case (IB) and the transmission case (4), so that the traveling body (1) can run on its own.

Further, the driving wheels (5) are arranged at the lower part of the traveling body (1).
A detection roller (6) is provided on the front side of the ridge (A) and has an inter-plant detection switch (not shown) for detecting the inter-plant interval of potted seedlings by the transplanting device (3) while moving over the upper surface of the ridge (A).
, and each driving section of the transplanting device t(3) is intermittently controlled by the interplant detection signal output from the detection roller (6).

Furthermore, at the front lower part of the front frame (IA), a suppression wheel (7) running along the upper surface of the ridge is supported via a support rod (ID), and at both sides of the suppression wheel (7), ,
A pair of guide wheels c running along the sides of the ridge (A)
g> (8) is provided.

Moreover, the said transplant device supported on the rear frame (IC) side of the said traveling body (1)! ! (3) is a seedling tray (1
a vertical conveyance section (30) that sequentially conveys the seeds 0) to the seedling removal side;
The seedling tray (10) is placed at the end of the conveyance section of this vertical conveyance section (30).
a seedling take-out part (40) having a seedling take-out part (41) for taking out the seedlings from the pot, and a transplant part (50) having a transplant claw (53) that receives the seedlings from the seedling take-out part (40) and performs a planting operation. This porting portion (33) is connected to the mission case (IB).
The seedling take-out section (40) and the vertical conveyance section (30) are supported on the rear frame (IC) side.

In addition, (9) in FIG. 5 is a control handle attached to the rear frame (IC) facing rearward and upward. 30), that is, the vertical conveyance device was configured as follows.

As shown in FIG. 1, the vertical conveyance section (30) has a pair of side walls (31a) (31
a) and a connecting rod (3l b) connecting these both side walls (31a) (3La),
A tray receiver (32) that supports and guides the seedling tray (10).
), and a side wall (31a) of the transport frame (31) is provided.
) A drive shaft (34) having a pair of opposing drive sprockets (33) (33) is freely supported for driving rotation between the front parts of (31a), and a pair of opposing driven sprockets between the rear parts) (35) Driven shaft (36) with (35)
) are freely supported for driven rotation, and these driving sprockets (33) (33) and driven sprockets (35) (35
), and the re-driving chains (37, 37) are connected between the opposing surfaces of the re-driving chains (37, 37), respectively. A large number of transport members (38) are provided at predetermined pitch intervals for hooking onto the seedling accommodating portion (10a) of the seedling tray (10) and forcibly transporting the seedling tray (10). It is structured as if it were vertically fed.

As shown in FIG. 2, the conveyance member (38) includes a connecting portion (37c) that connects the inner and outer link plates (37a) (37b) of the redrive chain (37) (37) and the roller (37c). 38a) (38a) at both ends, the connecting shaft (38) is connected to the seedling tray (10).
) Seedling storage parts (10a) arranged in the vertical direction (10a)
The diameter of the shaft is such that it can be inserted into the groove (10b) between the two, so that it can be hooked on the side wall of the seedling accommodating portion (10a), and the connecting portions (38a) at both ends of the connecting shaft (38) (3
8a) allows the drive chain (37) to be used also as a connecting pin, thereby simplifying the structure and making it easy to install.

In addition, as the conveying member (38), in addition to using a connecting shaft that also serves as a connecting bin as described above, for example, a link play in the re-driving chain (37) (37) is used.
Of course, a shaft rod or the like may be integrally installed between the opposing surfaces of 7a) or 37b by appropriate fixing means.

Further, as a driving means for the drive shaft (34) having the drive sprockets (33) (33), a motor (M
), when the transport frame (31) is located at the end position of traversal movement in either the left or right direction, the limit switch (L, ') (L2) detects this, and the limit switch (L2) detects this.

) or (L2), the motor (M)
is driven intermittently so that the seedlings (10) are vertically fed one pitch at a time.

In addition, as shown in FIG. 1, the transport frame (31) includes:
The driving sprocket (
Seedling tray (33) and driven sprocket (35)
A plate-shaped tray receiving part (32) that supports and guides the seedling tray (10) is attached, while the seedling tray (
10) on the collection side of the side wall (31a) (31a)
A tray collecting section (39) is provided which takes over and guides the transplanted seedling tray (10) via support members (71) and (72) supported below, and a tray receiving surface of the tray receiving section (32) is provided. (32a) represents each drive sprocket (33) (33
) and the driven sprocket (35) The conveyance start end side is located on one side of the conveyance end side with respect to the linear movement locus of the driving side chain (37a) hung on the driven sprocket (35) (35), and the seedling tray (10
) is inclined so as to enter at a predetermined angle (α) with respect to the movement locus of the chain (37) on the conveyance start end side, and the tray receiving surface (39a) of the tray collecting section (39)
is downward from the take-off start end in the take-off direction with respect to the linear movement locus of the driven chain (37b) hooked on the drive sprocket (33) (33) and the driven sprocket (36) (35). A predetermined angle (β) to separate
It is sloping.

In the embodiment shown in the figure, a large number of wire rods are used as the tray collecting section (39), and each of these wire rods is connected to the side wall (31a).
) (31a) with the supporting members (71) (72
) are supported in parallel at predetermined intervals in the width direction of the transport frame (30).

In addition, (73) in FIG. 1 is an auxiliary tray receiving part attached to the outer side of the driven sprocket (35) of the conveyance frame (31), and the auxiliary tray receiving part (73) is used to hold a new seedling tray. (10) supports the portion of the seedling tray (10) that protrudes outward on the transport start end side of the drive chain (37), and the tray receiving surface ( The driven sprocket side end of 73a) is attached so as to be located on the extension line of the tray receiving surface (32a) of the tray receiving part (32), and the seedling tray (10)
is from the auxiliary tray holder (73) to the tray holder (32).
When moving to the side, the seedling tray (10) touches the tray receiving surface (
32a).

In addition, in the embodiment shown in the figure, the pot seedling storage section (10a)
In order to be able to use the seedling tray (10) for multiple types of seedling trays (10) with different vertical pitches, the pitch (P) of the connecting member (38) is adjusted as shown in FIG. Multiple seedling trays with different pitches (10)
Vertical pitch (p+) at (10”) (1)
2), and the number of teeth of the driving side sprocket (33) (33) is set to the number of teeth of the plurality of seedling trays (10) that fit within the pitch (P) of the connecting member (38). (10-) different pot seedling accommodating parts (10
a) Match the number of teeth to the least common multiple of the numbers (10a″).

In this case, for example, if one seedling tray (10) used has a vertical pitch of 4 cm and another seedling tray (10-) has a vertical pitch of 5 c11, the pitch (P) of the connecting member (38) is , 4 c++ and 5 cm, and the connecting member (38
), the number of seedling storage sections (10a) of one seedling tray (10) that falls within the pitch (P) is 5 and the number of seedling storage sections (10a-) of another seedling tray (10-) is 4. , the number of teeth of the driving side sprockets (33) (33) is set to 20 or more.
0) can be used without replacing the connecting member (38), drive chain (37), drive sprocket (33), and driven sprocket (35).

In addition, in the embodiment shown in the figures, as shown in FIGS.
a) is provided with a transverse feed shaft (44), and the transverse feed shaft (44) is provided with a
44) is connected to a drive shaft of a mold operation mechanism (44) to be described later so that it can be driven intermittently, and the conveyance frame (31) is connected to an interlocking rod (44) having a slider (45) provided on the traverse feed shaft (44). 46) and intermittent rotation of the horizontal feed shaft (44) in conjunction with the seedling take-out operation of the seedling mold (41),
The slider (45) that engages with the traverse groove (44a) of the horizontal feed shaft (44) is interposed between the conveying frame (31), that is, the seedling tray (10) together with the interlocking rod (46), in the pot seedling storage section. (10a) is supported so as to move laterally intermittently in the lateral direction every pitch in the lateral direction, and is also forced to rotate the drive sprocket (33) by the sprocket (M). A stopping means (6o) is provided for stopping.

As shown in FIGS. 1 and 4, this stopping means (60) is placed at a position on the concentric circle of each drive sprocket (33) (33) at the same distance as the seedling tray (10) (17). Engagement holes (33a) are provided at angularly equally divided locations, while retaining holes (33a) (33a) are provided in the rear frame (IC) at lateral positions relative to the drive sprockets (33). A locking device (62) having a locking pin (f3L) (6tl) that can be freely moved in and out is provided, and the locking device (62) is provided with a locking pin (f3L) (6tl) that can be freely moved in and out.
61) into the engagement hole (33a), the drive sprockets (33) (33) are forced to rotate at a position where the seedling tray (10) is vertically fed by one pitch. It is configured to stop.

In this case, the locking device (62) interlocks and connects the lock bin (61) to a drive system of a claw actuation mechanism (42), which will be described later, of the seedling retrieval section (40) via an interlocking mechanism (63), The lock bin (61) is moved from the unlocked position to the locked position in conjunction with the operation of finishing seedling harvesting, and from the locked position to the unlocked position in conjunction with the operation of starting seedling harvesting. , a detection switch (S) that is turned on when the lock bin (61) is in an unlocked state is provided on the rear frame (IC), and a detection switch (S) that is turned on when the lock bin (61) is in an unlocked state;
1) A limit switch (L,) that turns on and detects this when it is located at the end position of horizontal feed in either the left or right direction.
(L, ), and the motor (M) is driven only when either the detection switch (S) and the limit switch (t+) or (L2) are turned on, and the drive shaft Drive sprocket (33) through (34)
(33) is driven and rotated to vertically feed the seedling tray (10),
And, at the timing when the seedling tray (10) is vertically fed one pitch by the rotation by the drive sprockets (33), the lock bin (61) is moved from the unlocked position to the engagement of the drive sprocket (33). Matching hole (3
3a), the detection switch (S
) is turned off and the motor (M) is stopped, and at the same time, the rotation of the drive sprocket (33) is forcibly stopped.

With this configuration, it is possible to eliminate the inertial rotation of the driving sprockets (33) (33) when the motor (M) is stopped, and to prevent the seedling tray (10) from shifting the stopping position due to the inertial rotation. , seedling tray (10)
The seedling accommodating portion (10a) can be forcibly positioned at an appropriate position corresponding to the take-out position of the seedling-taking claw (41).

In addition, in order to be able to apply the stopping means (60) even when a plurality of seedling trays [10] are selected and used,
As shown in FIG. 1, each drive sprocket (33) (
Retaining holes (33a) are provided at positions on a concentric circle having a different diameter from the concentric circle of the retaining hole (33a) in 33), and are equally divided at equal angles according to one pitch interval of another seedling tray (10). The locking device (62) is provided with means for adjusting the insertion position of the locking pin (not shown) so that the locking pin (61) can selectively be inserted into the engaging hole (33a) or (33a'). All you have to do is set it up.

On the other hand, the seedling retrieval part (40) includes a seedling retrieval part (4I),
At the end of the conveyance of the vertical conveyance M (30), the seedling retrieval section (41) removes the seedling storage section (10a) of the seedling tray (10).
) Seedling holding mechanism (42) that takes out and holds potted seedlings from
and a mold operation mechanism (43) for linearly reciprocating this holding mechanism (42) in the seedling removal process and swinging it downward in the seedling release process, and each of these mechanisms (42)
(43) takes out the potted seedlings from the seedling tray (10) with the seedling taking out part (41), and between the taking out process and the releasing process, the potted seedlings are held in the seedling taking out part (41), Further, at a seedling release position that avoids the vertical conveyance section (30), the seedlings are released from the seedling take-out section (41) and supplied to the transplant claws (53) of the transplant section (50) waiting below.

Moreover, the transplantation part (50) is connected to the mission case (
A planting transmission case (51) attached to the rear side of the IB), and a planting arm (52) that is linked to the internal mechanism of the planting transmission case (51) to support the planting operation in the vertical direction. When the planting arm (52) moves, the transplant claw (53) is moved between the receiving position of the potted seedlings released from the small seedling catcher claw (41) and the ridge ( When the seedling catcher claw (41) releases the potted seedlings by performing a planting operation in a predetermined vertical movement trajectory over the range from the transplanting position to A), the raised position with the transplanting claw (53) closed is performed. , that is, receive potted seedlings at the receiving position,
After receiving this potted seedling, the transplanted nail (53) is attached to the ridge (
A) side, and in this downward movement position, the transplanted nail (53
) is opened and the potted seedlings held inside are transplanted to the ridge (A).

Next, the operation of the vertical conveyance device according to the present invention will be explained.

When the transport frame (31) is located at the end position of horizontal transport in either the left or right direction, the seedling tray (10) supported on the tray receiver (32) of the transport frame (31) is vertically transported by one pitch. In this case, the drive sprocket (33) (
33) is driven to rotate, and this drive sprocket (33) (
Drive chain (37) (37) by drive rotation of 33)
Along with the movement, the conveying member (38) that connects both drive chains (33) (33) and is hooked on the side wall of the seedling storage section (10a) of the seedling tray (10) moves integrally. ,
The seedling tray (10) can be forcibly conveyed by the conveying member (38), thereby preventing slipping between the conveying member (38) and the seedling tray (10). Therefore, the seedling tray (10) can be reliably fed vertically.

Furthermore, the tray receiving surface (32a) of the tray receiving portion (32) is
The conveyance start end side of is located above the conveyance end side, and
The seedling tray (10) bi is inclined so as to intrude at a predetermined angle with respect to the movement locus of the drive side chain (37a) on the bi-conveyance terminal side, so that the conveyance member (38)
Seedling trays (1
0), the conveying member (38) moves in an inclined manner from below to the upper side of the bottom surface of the seedling tray (10), and as a result, the conveying member (38) pushes up the bottom of the seedling tray (10) outward. The conveying member (38) moves the groove (1) between the seedling accommodating parts (10a) of the seedling tray (10) without detaching the seedling tray (10) from the tray receiving part (32).
0b) can be entered smoothly.

Furthermore, when the empty seedling tray (10) that has been transplanted is moved to the tray collection section (39), the tray take-up surface (39a) of the tray collection section (38) is connected to the driven side chain (37b).
The seedling tray (
10) moves in the picking direction, the seedling tray (10) comes off from the conveying member (38) due to its own weight at the starting end side, and as a result, the seedlings are removed from the conveying member (38). The tray (10) can be removed smoothly, and the empty seedling tray (10) can be removed at an early stage.

In addition, in the embodiment shown in FIG. A mulch cutter (54) is provided to cut a transplant hole in the mulch film (F) laid on the ridge (A) by moving downward just before transplanting the potted seedling. A cultivating soil ring (55) is provided on the rear side for cultivating the potted seedlings transplanted using the transplanting nails (53).

(Effects of the Invention) As described above, the vertical conveyance device of the present invention has seedling trays (10
) A drive shaft (34) having a pair of opposing drive sprockets (33) on one side in the front and back direction of a transport frame (31) having a tray receiving part (32) that supports and guides the drive shaft (33) is freely rotated. A driven wheel (3θ) supported on the other side and having a pair of opposing driven sprockets (35) (35) on the other side.
These driving sprockets (33) (33) and driven sprockets (35) (35)
Drive chains (37) (37) are hung on the seedling trays, respectively, and both chains (37) (37) are connected between the opposing surfaces of these drive chains (37) (37), and By providing a large number of transport members (38) that are hooked onto the seedling storage section (10a) of (10) and forcibly transported at predetermined intervals, the transport members (38) are supported by the tray receiving section (32) of the transport frame (31). When vertically feeding the seedling tray (10), the seedling storage section (10a ) is moved, and the seedling tray (10) can be forcibly conveyed by the conveying member (38), thereby allowing the conveying member (38) and the seedling tray (10) to be forcibly conveyed. There is no slippage between the seedling tray (10
) can be reliably fed vertically.

The transport frame (31) also includes a tray receiving part (32) that supports and guides the seedling tray (10) on the transport side of the seedling tray (10), and a tray receiving part (32) that supports and guides the seedling tray (10) on the transport side of the seedling tray (10), and a tray receiving part (32) on the collection side of the seedling tray (10).
The tray receiving part (32) has a tray receiving surface (32a) that is connected to each drive sprocket, l-(33).
) (33) and the driven sprocket (35) (35) With respect to the linear movement locus of the drive side chain (37a), the conveyance/starting end side is located above the conveyance end side, and the seedling tray (10) The chain (37a
) is inclined so as to intrude at a predetermined angle with respect to the movement locus of the tray collecting section (39).
a) is downward from the take-off start end in the take-off direction with respect to the linear movement locus of the driven chain (37a) hooked on the driving sprockets (33) (33) and the driven sprockets (35) (35). By being inclined so as to separate from each other, when the conveying member (38) intervenes between the seedling accommodating portions (10a) of the seedling tray (10) on the conveying start end side, the conveying member (38) The conveying member (38) moves in an inclined manner from below the bottom of the seedling tray (10) to the upper side of the tray (10).
) without pushing up the bottom of the seedling tray (10) outward, and the conveying member (38) can smoothly enter the groove between the seedling storage parts (10a) (10a) of the seedling tray (10). As a result, the conveying member (38) can be reliably caught in the seedling accommodating part (10a), and furthermore, the seedling tray (10) after transplantation can be transferred to the tray collecting part (3).
9), when the seedling tray (10) moves in the picking direction, the seedling tray (10) is pushed against the tray picking surface (39a) of the tray collecting section (39) by its own weight at the picking start end side. As a result, the seedling tray (10) can be smoothly removed from the conveying member (38), and the empty seedling tray (10) can be removed from the conveying member (38). This also allows for early extraction.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional view of the vertical conveyance device according to the present invention, FIG. 2 is an explanatory diagram of the conveying member, FIG. 3 is an explanatory diagram of the seedling tray, FIG. 4 is an explanatory diagram of the forced stop means, and FIG. 5 is an explanatory diagram of the seedling tray. FIG. 1 is an overall side view showing an example of a transplanter equipped with a vertical conveyance device of the present invention. (10)... Seedling tray (10a)... Pot seedling storage section (31)...
...Transport frame (32)...Tray receiving part (32a)...Tray receiving surface (33) (33)...Drive sprocket (34)
) (34)... Drive shaft (35) (35)... Driven sprocket (36
) (36)... Driven shaft (37) (37)... Drive chain (37a)
... Drive side chain (37a) ... Driven side chain (38) ... Conveyance member (39) ... Tray collecting section (39a) ... ...Tray collection surface Fig. 2 Fig. 8

Claims (2)

[Claims] (1) A vertical conveyance device for a transplanter that conveys a seedling tray (10) having a plurality of pot seedling accommodating parts (10a) to a seedling take-out side, the tray receiver supporting and guiding the seedling tray (10). A drive shaft (34) having a pair of opposing drive sprockets (33) is supported on one side in the front-rear direction of a conveyance frame (31) having a portion (32), and is freely rotatably driven.
A pair of opposing driven sprockets (35) (3
5) with a driven shaft (36) supported for free rotation,
These drive sprockets (33) (33) and driven sprockets (35) (35) are connected to drive chains (
37) (37), while both chains (37) (
37), and is hooked onto the seedling accommodating portion (10a) of the seedling tray (10) to forcibly convey the conveying member (38).
A vertical conveyance device for a transplanter, characterized in that a large number of the following are provided at predetermined pitch intervals. (2) The transport frame (31) has a tray receiving part (32) that supports and guides the seedling tray (10) on the transport side of the seedling tray (10), and a tray receiving part (32) that supports and guides the seedling tray (10) on the transport side of the seedling tray (10), and a tray receiving part (32) on the collection side of the seedling tray (10).
It is equipped with a tray collecting part (39) that takes over and guides the transplanted seedling tray (10), and the tray receiving surface (32a) of the tray receiving part (32) is connected to each drive sprocket (33) (
33) and driven sprockets (35) (35), the conveyance start end side is located above the conveyance end side with respect to the linear movement locus of the driving side chain (37a), which is hung between the driven sprockets (35) (35), and the seedling tray (1
0) is connected to the drive side chain (37a) at the conveyance start end side.
) is inclined so as to intrude at a predetermined angle with respect to the movement locus of the tray collecting section (39).
a) is downward from the take-off start end in the take-off direction with respect to the linear movement locus of the driven chain (37b) hooked on the driving sprockets (33) (33) and the driven sprockets (35) (35). The vertical conveyance device for a transplanter according to claim 1, wherein the vertical conveyance device for a transplanter is inclined so as to be separated from each other.